New upstream version 1.9.1+repackupstream/1.9.1+repack

101 files changed, 7387 insertions, 2574 deletions

diff --git a/spectro/IntsLib_Readme.txt b/spectro/IntsLib_Readme.txt
index 7d9fb0c..c8df3d3 100644
--- a/spectro/IntsLib_Readme.txt
+++ b/spectro/IntsLib_Readme.txt
@@ -3,17 +3,6 @@ create the instlib.zip archive.
 
 To build it:
 
-If you are on Linux or OS X, you first need to
-build libusb 1.0A, ie::
-
-	cd libusb1
-	sh autogen.sh
-	make
-	cp libusb/libusb-1.0A.a .
-	cd ..
-
-(The libraries are pre-built for MSWin)
-
 To build the standalone instrument lib, you
 need to edit the Makefile to #include the appropriate
 Makefile.XXX for your operating system, and then
diff --git a/spectro/Jamfile b/spectro/Jamfile
index 9eb292f..94a2f70 100644
--- a/spectro/Jamfile
+++ b/spectro/Jamfile
@@ -127,7 +127,7 @@ if $(USE_DEMOINST) = true && [ GLOB [ NormPaths . ] : demoinst.c ] {
 	INST_SRCS += demoinst.c ;
 }
 
-Library libinst : inst.c insttypes.c icoms.c disptechs.c rspec.c $(INST_SRCS) ;
+Library libinst : inst.c insttypes.c icoms.c disptechs.c rspec.c xrga.c $(INST_SRCS) ;
 
 # Display access library 
 ObjectKeep mongoose.c ;
diff --git a/spectro/Makefile.SA b/spectro/Makefile.SA
index 2d57742..5913126 100644
--- a/spectro/Makefile.SA
+++ b/spectro/Makefile.SA
@@ -39,12 +39,12 @@ WIN_STDHDRS = $(INCFLAG)usb$(SLASH)driver
 all:: libinst$(SUFLIB) libinstappsup$(SUFLIB) spotread$(SUFEXE) oeminst$(SUFEXE) 
 
 INSTHEADERS = dtp20.h dtp22.h dtp41.h dtp51.h dtp92.h ss.h ss_imp.h i1disp.h i1d3.h i1pro.h i1pro_imp.h munki.h munki_imp.h hcfr.h huey.h colorhug.h spyd2.h specbos.h kleink10.h
-INSOBJS = dtp20$(SUFOBJ) dtp22$(SUFOBJ) dtp41$(SUFOBJ) dtp51$(SUFOBJ) dtp92$(SUFOBJ) ss$(SUFOBJ) ss_imp$(SUFOBJ) i1disp$(SUFOBJ) i1d3$(SUFOBJ) i1pro$(SUFOBJ) i1pro_imp$(SUFOBJ) munki$(SUFOBJ) munki_imp$(SUFOBJ) hcfr$(SUFOBJ) huey$(SUFOBJ) colorhug$(SUFOBJ) spyd2$(SUFOBJ) specbos$(SUFOBJ) kleink10$(SUFOBJ)
+INSOBJS = dtp20$(SUFOBJ) dtp22$(SUFOBJ) dtp41$(SUFOBJ) dtp51$(SUFOBJ) dtp92$(SUFOBJ) ss$(SUFOBJ) ss_imp$(SUFOBJ) i1disp$(SUFOBJ) i1d3$(SUFOBJ) i1pro$(SUFOBJ) i1pro_imp$(SUFOBJ) munki$(SUFOBJ) munki_imp$(SUFOBJ) hcfr$(SUFOBJ) huey$(SUFOBJ) colorhug$(SUFOBJ) spyd2$(SUFOBJ) specbos$(SUFOBJ) kleink10$(SUFOBJ) ex1$(SUFOBJ) smcube$(SUFOBJ)
 
-HEADERS = pollem.h conv.h aglob.h hidio.h icoms.h inst.c inst.h insttypeinst.h insttypes.h disptechs.h  $(INSTHEADERS) usbio.h xspect.h rspl1.h sort.h xdg_bds.h ccss.h ccmx.h pars.h cgats.h instappsup.h usb$(SLASH)driver$(SLASH)driver_api.h
+HEADERS = pollem.h conv.h sa_conv.h aglob.h hidio.h icoms.h inst.c inst.h insttypeinst.h insttypes.h disptechs.h rspec.h xrga.h $(INSTHEADERS) usbio.h xspect.h rspl1.h sort.h xdg_bds.h ccss.h ccmx.h pars.h cgats.h instappsup.h usb$(SLASH)driver$(SLASH)driver_api.h
 
 # libinst objects
-OBJS = conv$(SUFOBJ) aglob$(SUFOBJ) inst$(SUFOBJ) numsup$(SUFOBJ) rspl1$(SUFOBJ) icoms$(SUFOBJ) usbio$(SUFOBJ) hidio$(SUFOBJ) insttypes$(SUFOBJ) disptechs$(SUFOBJ) pollem$(SUFOBJ) xspect$(SUFOBJ) xdg_bds$(SUFOBJ) ccss$(SUFOBJ) ccmx$(SUFOBJ) pars$(SUFOBJ) cgats$(SUFOBJ) $(INSOBJS)
+OBJS = conv$(SUFOBJ) sa_conv$(SUFOBJ) aglob$(SUFOBJ) inst$(SUFOBJ) numsup$(SUFOBJ) rspl1$(SUFOBJ) icoms$(SUFOBJ) usbio$(SUFOBJ) hidio$(SUFOBJ) insttypes$(SUFOBJ) disptechs$(SUFOBJ) rspec$(SUFOBJ) xrga$(SUFOBJ) pollem$(SUFOBJ) xspect$(SUFOBJ) xdg_bds$(SUFOBJ) ccss$(SUFOBJ) ccmx$(SUFOBJ) pars$(SUFOBJ) cgats$(SUFOBJ) $(INSOBJS)
 
 
 # instrument library
@@ -52,6 +52,9 @@ OBJS = conv$(SUFOBJ) aglob$(SUFOBJ) inst$(SUFOBJ) numsup$(SUFOBJ) rspl1$(SUFOBJ)
 conv$(SUFOBJ): conv.c $(HEADERS)
 	$(CC) conv.c
 
+sa_conv$(SUFOBJ): sa_conv.c $(HEADERS)
+	$(CC) sa_conv.c
+
 aglob$(SUFOBJ): aglob.c $(HEADERS)
 	$(CC) aglob.c
 
@@ -76,6 +79,12 @@ hidio$(SUFOBJ): hidio.c $(HEADERS)
 insttypes$(SUFOBJ): insttypes.c $(HEADERS)
 	$(CC) insttypes.c
 
+rspec$(SUFOBJ): rspec.c $(HEADERS)
+	$(CC) rspec.c
+
+xrga$(SUFOBJ): xrga.c $(HEADERS)
+	$(CC) xrga.c
+
 disptechs$(SUFOBJ): disptechs.c $(HEADERS)
 	$(CC) disptechs.c
 
@@ -148,6 +157,12 @@ specbos$(SUFOBJ): specbos.c $(HEADERS)
 kleink10$(SUFOBJ): kleink10.c $(HEADERS)
 	$(CC) kleink10.c
 
+ex1$(SUFOBJ): ex1.c $(HEADERS)
+	$(CC) ex1.c
+
+smcube$(SUFOBJ): smcube.c $(HEADERS)
+	$(CC) smcube.c
+
 oemarch$(SUFOBJ): oemarch.c $(HEADERS)
 	$(CC) oemarch.c
 
diff --git a/spectro/afiles b/spectro/afiles
index 984bac5..8891ce7 100644
--- a/spectro/afiles
+++ b/spectro/afiles
@@ -26,6 +26,7 @@ mongoose.c
 insttypes.h
 insttypes.c
 insttypeinst.h
+dev.h
 inst.c
 inst.h
 disptechs.h
@@ -87,8 +88,12 @@ spec2cie.c
 average.c
 rspec.h
 rspec.c
+xrga.h
+xrga.c
 conv.h
 conv.c
+sa_conv.h
+sa_conv.c
 aglob.h
 aglob.c
 xdg_bds.h
diff --git a/spectro/average.c b/spectro/average.c
index 5a8fb3f..e961262 100644
--- a/spectro/average.c
+++ b/spectro/average.c
@@ -23,6 +23,7 @@
 
  */
 
+
 #undef DEBUG
 
 #define verbo stdout
@@ -34,10 +35,15 @@
 #include "copyright.h"
 #include "aconfig.h"
 #include "numlib.h"
+#include "sort.h"
 #include "cgats.h"
 #include "xicc.h"
 #include "insttypes.h"
 
+static double average(double *vals, int nvals);
+static double median(double *vals, int nvals);
+static void geommed(double res[3], double vals[][3], int nvals);
+
 void usage(char *diag, ...) {
 	int i;
 	fprintf(stderr,"Average or merge values in .ti3 like files, Version %s\n",ARGYLL_VERSION_STR);
@@ -52,6 +58,10 @@ void usage(char *diag, ...) {
 	fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
 	fprintf(stderr,"usage: average [-options] input1.ti3 input2.ti3 ... output.ti3\n");
 	fprintf(stderr," -v              Verbose\n");
+	fprintf(stderr," -e              Median rather than average\n");
+	fprintf(stderr," -g              Geometric Median of PCS in encoded space\n");
+	fprintf(stderr," -L              Geometric Median of PCS in L*a*b* space\n");
+	fprintf(stderr," -X              Geometric Median of PCS in XYZ space\n");
 	fprintf(stderr," -m              Merge rather than average\n");
 	fprintf(stderr," input1.ti3      First input file\n");
 	fprintf(stderr," input2.ti3      Second input file\n");
@@ -69,6 +79,8 @@ struct _inpinfo {
 int main(int argc, char *argv[]) {
 	int fa,nfa;					/* current argument we're looking at */
 	int verb = 0;
+	int domedian = 0;			/* Median rather than average */
+	int dogeom = 0;				/* Do geometric median of PCS, 2 = Lab, 3 = PCS */
 	int domerge = 0;			/* Merge rather than average */
 
 	int ninps = 0;				/* Number of input files */
@@ -78,10 +90,12 @@ int main(int argc, char *argv[]) {
 	cgats_set_elem *setel;		/* Array of set value elements */
 	int *flags;					/* Point to destination of set */
 
-	int nchan;					/* Number of device channels */
+	int nchan = 0;				/* Number of device channels */
 	int chix[ICX_MXINKS];		/* Device chanel indexes */
-	int pcsix[3];				/* PCS chanel indexes */
-	int isLab = 0;
+	int npcs = 0;
+
+	int haspcs[2] =  { 0 };		/* Has Lab, XYZ */
+	int pcsix[3][3];			/* Lab, XYZ chanel indexes */
 
 	int i, j, n;
 
@@ -110,13 +124,33 @@ int main(int argc, char *argv[]) {
 			if (argv[fa][1] == '?')
 				usage("Usage requested");
 
+			/* Median */
+			else if (argv[fa][1] == 'e') {
+				domedian = 1;
+			}
+
+			/* Geometric Median of PCS */
+			else if (argv[fa][1] == 'g') {
+				dogeom = 1;
+			}
+
+			/* Geometric Median of PCS in L*a*b* */
+			else if (argv[fa][1] == 'L') {
+				dogeom = 2;
+			}
+
+			/* Geometric Median of PCS in XYZ */
+			else if (argv[fa][1] == 'X') {
+				dogeom = 3;
+			}
+
 			/* Merge */
-			else if (argv[fa][1] == 'm' || argv[fa][1] == 'M') {
+			else if (argv[fa][1] == 'm') {
 				domerge = 1;
 			}
 
 			/* Verbosity */
-			else if (argv[fa][1] == 'v' || argv[fa][1] == 'V') {
+			else if (argv[fa][1] == 'v') {
 				verb = 1;
 			}
 
@@ -192,8 +226,9 @@ int main(int argc, char *argv[]) {
 			ocg->add_field(ocg, n, inps[0].c->t[n].fsym[i], inps[0].c->t[n].ftype[i]);
 		}
 
+		/* If more than one file, must be merging or averaging between files  */
 		if (ninps > 1) {
-			/* Duplicate all of the data */
+			/* Duplicate all of the data or first file to output file */
 			if ((setel = (cgats_set_elem *)malloc(
 			     sizeof(cgats_set_elem) * inps[0].c->t[n].nfields)) == NULL)
 				error("Malloc failed!");
@@ -207,11 +242,11 @@ int main(int argc, char *argv[]) {
 	}
 
 	/* Figure out the indexes of the device channels */
-	{
+	if (inps[0].c->find_kword(inps[0].c, 0, "COLOR_REP") < 0) {
+		warning("Input file '%s' doesn't contain keyword COLOR_REP", inps[0].name);
+	} else {
 		int ti;
 		char *buf;
-		char *xyzfname[3] = { "XYZ_X", "XYZ_Y", "XYZ_Z" };
-		char *labfname[3] = { "LAB_L", "LAB_A", "LAB_B" };
 		char *outc;
 		int nmask;
 		char *bident;
@@ -227,13 +262,6 @@ int main(int argc, char *argv[]) {
 			error("COLOR_REP '%s' invalid", inps[0].c->t[0].kdata[ti]);
 		*outc++ = '\000';
 		
-		if (strcmp(outc, "XYZ") == 0) {
-			isLab = 0;
-		} else if (strcmp(outc, "LAB") == 0) {
-			isLab = 1;
-		} else
-			error("COLOR_REP '%s' invalid (Neither XYZ nor LAB)", inps[0].c->t[0].kdata[ti]);
-	
 		if ((nmask = icx_char2inkmask(buf)) == 0) {
 			error ("File '%s' keyword COLOR_REP has unknown device value '%s'",inps[0].name,buf);
 		}
@@ -256,19 +284,32 @@ int main(int argc, char *argv[]) {
 				error ("Field %s is wrong type",fname);
 			chix[j] = ii;
 		}
-
-		/* Find PCS fields */
-		for (j = 0; j < 3; j++) {
-			int ii;
-
-			if ((ii = inps[0].c->find_field(inps[0].c, 0, isLab ? labfname[j] : xyzfname[j])) < 0)
-				error ("Input file doesn't contain field %s",isLab ? labfname[j] : xyzfname[j]);
-			if (inps[0].c->t[0].ftype[ii] != r_t)
-				error ("Field %s is wrong type",isLab ? labfname[j] : xyzfname[j]);
-			pcsix[j] = ii;
+	}
+	
+	/* Figure out the indexes of the PCS channels, if any */
+	{
+		int npcs;
+		char *fname[2][3] =  { { "LAB_L", "LAB_A", "LAB_B" },
+		                       { "XYZ_X", "XYZ_Y", "XYZ_Z" } };
+
+		/* For Lab and XYZ */
+		for (j = 0; j < 2; j++) {
+			for (npcs = 0; npcs < 3; npcs++) {
+				int ii;
+	
+				if ((ii = inps[0].c->find_field(inps[0].c, 0, fname[j][npcs])) < 0)
+					break;		/* Try next or give up */
+	
+				if (inps[0].c->t[0].ftype[ii] != r_t)
+					error ("Field %s is wrong type",fname[j][npcs]);
+				pcsix[j][npcs] = ii;
+			}
+			if (npcs == 3)
+				haspcs[j] = 1;
 		}
-		free(bident);
 	}
+	if (!haspcs[0] && !haspcs[1])
+		warning("No PCS fields found - hope that's OK!");
 	
 	if (!domerge && verb) {
 		printf("Averaging the following fields:");
@@ -294,7 +335,8 @@ int main(int argc, char *argv[]) {
 		printf("\n");
 	}
 
-	/* Get ready to add more values to output */
+	/* Get ready to add more values to output, */
+	/* for merging or averaging within one file. */
 	if ((setel = (cgats_set_elem *)malloc(
 	     sizeof(cgats_set_elem) * inps[0].c->t[0].nfields)) == NULL)
 		error("Malloc failed!");
@@ -302,13 +344,24 @@ int main(int argc, char *argv[]) {
 	/* If averaging values within the one file */
 	if (ninps == 1) {
 		int *valdone;
-		double npatches;
-		int k;
+		int npat;
+		double *vlist;
+		double (*v3list)[3] = NULL;
+		int k, e;
 		n = 0;		/* Output set index */
 
 		if ((valdone = (int *)calloc(inps[0].c->t[0].nsets, sizeof(int))) == NULL) 
 			error("Malloc failed!");
 
+		if ((vlist = (double *)calloc(inps[0].c->t[0].nsets, sizeof(double))) == NULL) 
+			error("Malloc failed!");
+
+		if (dogeom && (haspcs[0] || haspcs[1])) {
+			if ((v3list = (double (*)[3])calloc(inps[0].c->t[0].nsets, 3 * sizeof(double))) == NULL) 
+				error("Malloc failed!");
+		}
+
+		/* For each patch */
 		for (i = 0; i < inps[0].c->t[0].nsets; i++) {
 
 			if (valdone[i])
@@ -316,49 +369,8 @@ int main(int argc, char *argv[]) {
 
 			inps[0].c->get_setarr(inps[0].c, 0, i, setel);
 			ocg->add_setarr(ocg, 0, setel);
-			npatches = 1.0;
-
-			/* Locate and patches with matching device values */
-			for (k = i+1; k < inps[0].c->t[0].nsets; k++) {
-
-				/* Check if the device values match */
-				for (j = 0; j < nchan; j++) {
-					double diff;
-
-					diff = *((double *)inps[0].c->t[0].fdata[i][chix[j]])
-					     - *((double *)inps[0].c->t[0].fdata[k][chix[j]]);
-
-					if (fabs(diff) > 0.001) {
-						break;
-					}
-				}
-				if (j < nchan) {
-					continue;
-				}
 
-				/* Add all the non-device real field values */
-				for (j = 0; j < inps[0].c->t[0].nfields; j++) {
-					int jj;
-
-					/* Only real types */
-					if (inps[0].c->t[0].ftype[j] != r_t)
-						continue;
-
-					/* Not device channels */
-					for (jj = 0; jj < nchan; jj++) {
-						if (chix[jj] == j)
-							break;
-					}
-					if (jj < nchan)
-						continue;
-
-					*((double *)ocg->t[0].fdata[n][j])
-					            += *((double *)inps[0].c->t[0].fdata[k][j]);
-				}
-				npatches++;
-				valdone[k] = 1;
-			}
-			/* Average them out */
+			/* For each non-device real field values */
 			for (j = 0; j < inps[0].c->t[0].nfields; j++) {
 				int jj;
 
@@ -374,20 +386,102 @@ int main(int argc, char *argv[]) {
 				if (jj < nchan)
 					continue;
 
-				*((double *)ocg->t[0].fdata[n][j]) /= npatches;
+				/* Locate any patches (including starting patch) with matching device values */
+				npat = 0;
+				for (k = i; k < inps[0].c->t[0].nsets; k++) {
+	
+					/* Check if the device values match */
+					for (e = 0; e < nchan; e++) {
+						double diff;
+	
+						diff = *((double *)inps[0].c->t[0].fdata[i][chix[e]])
+						     - *((double *)inps[0].c->t[0].fdata[k][chix[e]]);
+	
+						if (fabs(diff) > 0.001) {
+							break;
+						}
+					}
+					if (e < nchan) {
+						continue;
+					}
+
+					vlist[npat++] = *((double *)inps[0].c->t[0].fdata[k][j]);
+					valdone[k] = 1;
+				}
+				if (domedian)
+					*((double *)ocg->t[0].fdata[n][j]) = median(vlist, npat);
+				else
+					*((double *)ocg->t[0].fdata[n][j]) = average(vlist, npat);
+			}
+
+			/* Override per-component average/median if PCS Geometric Median */
+			if (dogeom && (haspcs[0] || haspcs[1])) {
+				double res[3];
+
+				/* For Lab and XYZ */
+				for (j = 0; j < 2; j++) {
+
+					if (haspcs[j] == 0)
+						continue;
+
+					/* Locate any patches (including starting patch) with matching device values */
+					npat = 0;
+					for (k = i; k < inps[0].c->t[0].nsets; k++) {
+		
+						/* Check if the device values match */
+						for (e = 0; e < nchan; e++) {
+							double diff;
+		
+							diff = *((double *)inps[0].c->t[0].fdata[i][chix[e]])
+							     - *((double *)inps[0].c->t[0].fdata[k][chix[e]]);
+		
+							if (fabs(diff) > 0.001) {
+								break;
+							}
+						}
+						if (e < nchan) {
+							continue;
+						}
+	
+						v3list[npat][0] = *((double *)inps[0].c->t[0].fdata[k][pcsix[j][0]]);
+						v3list[npat][1] = *((double *)inps[0].c->t[0].fdata[k][pcsix[j][1]]);
+						v3list[npat][2] = *((double *)inps[0].c->t[0].fdata[k][pcsix[j][2]]);
+
+						if (j == 0 && dogeom == 3)		/* Lab and want XYZ */
+							icmLab2XYZ(&icmD50_100, v3list[npat], v3list[npat]);
+						else if (j == 1 && dogeom == 2)	/* XYZ and want Lab */
+							icmXYZ2Lab(&icmD50_100, v3list[npat], v3list[npat]);
+
+						npat++;
+					}
+					geommed(res, v3list, npat);
+	
+					if (j == 0 && dogeom == 3)
+						icmXYZ2Lab(&icmD50_100, res, res);
+					else if (j == 1 && dogeom == 2)
+						icmLab2XYZ(&icmD50_100, res, res);
+
+					*((double *)ocg->t[0].fdata[n][pcsix[j][0]]) = res[0];
+					*((double *)ocg->t[0].fdata[n][pcsix[j][1]]) = res[1];
+					*((double *)ocg->t[0].fdata[n][pcsix[j][2]]) = res[2];
+				}
 			}
 			n++;		/* One more output set */
 		}
 
+		if (v3list != NULL)
+			free(v3list);
+		free(vlist);
 		free(valdone);
 
 	/* Averaging patches between identical files, */
 	/* or concatenating (merging) several files */
 	} else {
-		/* Process all the other input files */
+
+		/* Check/process all the other input files */
 		for (n = 1; n < ninps; n++) {
 	
-			/* Check all the fields match */
+			/* Check all the fields match the first file */
 			if (inps[0].c->t[0].nfields != inps[n].c->t[0].nfields)
 				error ("File '%s' has %d fields, file '%s has %d",
 				       inps[n].name, inps[n].c->t[0].nfields, inps[0].name, inps[0].c->t[0].nfields);
@@ -405,15 +499,15 @@ int main(int argc, char *argv[]) {
 				}
 	
 			} else {	/* Averaging */
-				/* Check the number of values matches */
+
+				/* Check the number of patches matches the first file */
 				if (inps[0].c->t[0].nsets != inps[n].c->t[0].nsets)
 					error ("File '%s' has %d sets, file '%s has %d",
 					       inps[n].name, inps[n].c->t[0].nsets, inps[0].name, inps[0].c->t[0].nsets);
-		
-				/* Add the numeric field values to corresponding output */
+				/* For all the patches: */
 				for (i = 0; i < inps[n].c->t[0].nsets; i++) {
 	
-					/* Check that the device values match */
+					/* Check that the device values match the first file */
 					for (j = 0; j < nchan; j++) {
 						double diff;
 						diff = *((double *)inps[0].c->t[0].fdata[i][chix[j]])
@@ -423,53 +517,100 @@ int main(int argc, char *argv[]) {
 							error ("File '%s' set %d has field '%s' value that differs from '%s'",
 					       inps[n].name, i+1, inps[n].c->t[0].fsym[j], inps[0].name);
 					}
-	
-					/* Add all the non-device real field values */
-					for (j = 0; j < inps[0].c->t[0].nfields; j++) {
-						int jj;
-	
-						/* Only real types */
-						if (inps[0].c->t[0].ftype[j] != r_t)
-							continue;
-	
-						/* Not device channels */
-						for (jj = 0; jj < nchan; jj++) {
-							if (chix[jj] == j)
-								break;
-						}
-						if (jj < nchan)
-							continue;
-	
-						*((double *)ocg->t[0].fdata[i][j])
-						+= *((double *)inps[n].c->t[0].fdata[i][j]);
-					}
 				}
 			}
 		}
-	
-		/* If averaging, divide out the number of files */
+		
+		/* If averaging */
 		if (!domerge) {
+			int npat;
+			double *vlist;
+			double (*v3list)[3] = NULL;
+
+			if ((vlist = (double *)calloc(ninps, sizeof(double))) == NULL) 
+				error("Malloc failed!");
+
+			if (dogeom && (haspcs[0] || haspcs[1])) {
+				if ((v3list = (double (*)[3])calloc(inps[0].c->t[0].nsets, 3 * sizeof(double))) == NULL) 
+					error("Malloc failed!");
+			}
+
+			/* For all the non-device real field values */
+			for (j = 0; j < inps[0].c->t[0].nfields; j++) {
+				int jj;
+
+				/* Only real types */
+				if (inps[0].c->t[0].ftype[j] != r_t)
+					continue;
+
+				/* Not device channels */
+				for (jj = 0; jj < nchan; jj++) {
+					if (chix[jj] == j)
+						break;
+				}
+				if (jj < nchan)
+					continue;
 	
-			for (i = 0; i < inps[n].c->t[0].nsets; i++) {
-	
-				for (j = 0; j < inps[0].c->t[0].nfields; j++) {
-					int jj;
-	
-					/* Only real types */
-					if (inps[0].c->t[0].ftype[j] != r_t)
-						continue;
-	
-					/* Not device channels */
-					for (jj = 0; jj < nchan; jj++) {
-						if (chix[jj] == j)
-							break;
+				/* For each patch */
+				for (i = 0; i < inps[n].c->t[0].nsets; i++) {
+
+					/* For all input files */
+					npat = 0;
+					for (n = 0; n < ninps; n++) {
+						vlist[npat++] = *((double *)inps[n].c->t[0].fdata[i][j]);
 					}
-					if (jj < nchan)
-						continue;
+
+					if (domedian)
+						*((double *)ocg->t[0].fdata[i][j]) = median(vlist, npat);
+					else
+						*((double *)ocg->t[0].fdata[i][j]) = average(vlist, npat);
+				}
+			}
+
+			/* Override per-component average/median if PCS Geometric Median */
+			if (dogeom && (haspcs[0] || haspcs[1])) {
+				double res[3];
+
+				/* For each patch */
+				for (i = 0; i < inps[n].c->t[0].nsets; i++) {
+
+					/* For Lab and XYZ */
+					for (j = 0; j < 2; j++) {
+
+						if (haspcs[j] == 0)
+							continue;
 	
-					*((double *)ocg->t[0].fdata[i][j]) /= (double)ninps;
+						/* For all input files */
+						npat = 0;
+						for (n = 0; n < ninps; n++) {
+							v3list[npat][0] = *((double *)inps[n].c->t[0].fdata[i][pcsix[j][0]]);
+							v3list[npat][1] = *((double *)inps[n].c->t[0].fdata[i][pcsix[j][1]]);
+							v3list[npat][2] = *((double *)inps[n].c->t[0].fdata[i][pcsix[j][2]]);
+
+							if (j == 0 && dogeom == 3)		/* Lab and want XYZ */
+								icmLab2XYZ(&icmD50_100, v3list[npat], v3list[npat]);
+							else if (j == 1 && dogeom == 2)	/* XYZ and want Lab */
+								icmXYZ2Lab(&icmD50_100, v3list[npat], v3list[npat]);
+
+							npat++;
+						}
+						geommed(res, v3list, npat);
+
+						if (j == 0 && dogeom == 3)
+							icmXYZ2Lab(&icmD50_100, res, res);
+						else if (j == 1 && dogeom == 2)
+							icmLab2XYZ(&icmD50_100, res, res);
+
+						*((double *)ocg->t[0].fdata[i][pcsix[j][0]]) = res[0];
+						*((double *)ocg->t[0].fdata[i][pcsix[j][1]]) = res[1];
+						*((double *)ocg->t[0].fdata[i][pcsix[j][2]]) = res[2];
+					}
 				}
 			}
+
+			if (v3list != NULL)
+				free(v3list);
+			free(vlist);
 		}
 	}
 
@@ -490,6 +631,69 @@ int main(int argc, char *argv[]) {
 }
 
 
+static double average(double *vals, int nvals) {
+	double rv;
+	int i;
+
+	for (rv = 0.0, i = 0; i < nvals; i++)
+		rv += vals[i];
+
+	if (nvals > 0)
+		rv /= (double)nvals;
+
+	return rv;
+}
+
+static double median(double *vals, int nvals) {
+	if (nvals < 3)
+		return average(vals, nvals);
+
+#define HEAP_COMPARE(A,B) (A < B)
+	HEAPSORT(double,vals,nvals);
+
+	if ((nvals & 1) != 0)
+		return vals[nvals/2]; 
+	else
+		return 0.5 * (vals[nvals/2] + vals[nvals/2-1]); 
+}
 
+/* Compute Geometric Median of PCS values */
+/* using Weiszfeld's algorithm. */
+static void geommed(double res[3], double vals[][3], int nvals) {
+	int i, j;
+
+	/* Start with mean value */
+	icmSet3(res, 0.0);
+	for (i = 0; i < nvals; i++)
+		icmAdd3(res, res, vals[i]);
+	icmScale3(res, res, 1.0/(double)nvals);
+
+//printf("\n~1 average = %f %f %f\n", res[0], res[1], res[2]);
+
+	/* Itterate to approach Geometric Mean */
+	for (j = 0; j < 20; j++) {
+        double tv[3], tt;
+		int k;
+
+        icmSet3(tv, 0.0);
+		tt = 0.0;
+		for (k = i = 0; i < nvals; i++) {
+			double norm = icmNorm33(vals[i], res);
+			if (norm < 1e-6)
+				continue;
+            tv[0] += vals[i][0]/norm;
+            tv[1] += vals[i][1]/norm;
+            tv[2] += vals[i][2]/norm;
+            tt += 1.0/norm;
+			k++;
+//printf("Norm = %f, tv = %f %f %f, tt = %f\n",norm, tv[0], tv[1], tv[2], tt);
+        }
+		if (k > 0)
+			icmScale3(res, tv, 1.0/tt);
+//printf("~1 res = %f %f %f\n", res[0], res[1], res[2]);
+	}
+
+//printf("~1 geomm = %f %f %f\n", res[0], res[1], res[2]);
+}
 
 
diff --git a/spectro/base64.c b/spectro/base64.c
index 388d121..8e07967 100644
--- a/spectro/base64.c
+++ b/spectro/base64.c
@@ -4,6 +4,9 @@
  *
  * Very simple & concise base64 encoder/decoder
  *
+ */
+
+/*
  * Author: Graeme W. Gill
  *
  * Copyright 2014, Graeme W. Gill
diff --git a/spectro/base64.h b/spectro/base64.h
index 726f20a..29ca140 100644
--- a/spectro/base64.h
+++ b/spectro/base64.h
@@ -1,9 +1,13 @@
 
+#ifndef BASE64_H
+
 /* 
  * Argyll Color Correction System
  *
  * Very simple & concise base64 encoder/decoder
- *
+ */
+
+/*
  * Author: Graeme W. Gill
  *
  * Copyright 2014, Graeme W. Gill
@@ -13,6 +17,9 @@
  * see the License2.txt file for licencing details.
  */
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
 
 /* The maximum encoded length given decoded length */
 #define EBASE64LEN(len) (((len) * 4 + 2)/3)
@@ -30,4 +37,9 @@ void ebase64(int *dlen, char *dst, unsigned char *src, int slen);
 /* We assume that the destination buffer is long enough at DBASE64LEN */
 void dbase64(int *dlen, unsigned char *dst, char *src);
 
+#ifdef __cplusplus
+	}
+#endif
 
+#define BASE64_H
+#endif /* BASE64_H */
diff --git a/spectro/ccwin.c b/spectro/ccwin.c
index 1e9a18d..a89bc65 100644
--- a/spectro/ccwin.c
+++ b/spectro/ccwin.c
@@ -454,7 +454,7 @@ icmFile *ccwin_get_profile(dispwin *p, char *name, int mxlen) {
 
 /* Change the window color. */
 /* Return 1 on error, 2 on window being closed */
-/* inst_license, inst_licensenc or inst_tamper on licening problem */
+/* inst_license, inst_licensenc, inst_tamper or inst_syscompat on licening problem */
 static int ccwin_set_color(
 dispwin *p,
 double r, double g, double b	/* Color values 0.0 - 1.0 */
@@ -487,9 +487,9 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 
 			/* For video encoding the extra bits of precision are created by bit shifting */
 			/* rather than scaling, so we need to scale the fp value to account for this. */
-			if (p->pdepth > 8)
-				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->pdepth - 8)))
-				            /((1 << p->pdepth) - 1.0); 	
+			if (p->edepth > 8)
+				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->edepth - 8)))
+				            /((1 << p->edepth) - 1.0); 	
 		}
 	}
 
@@ -798,8 +798,11 @@ int ddebug						/* >0 to print debug statements to stderr */
 
 	p->ncix = 1;
 
-	p->pdepth = 8;		/* Assume this by API */
-	p->edepth = 8;
+	p->fdepth = 8;				/* Assume this by API */
+	p->rdepth = p->fdepth;		/* Assumed */
+	p->ndepth = p->rdepth;		/* Assumed */
+	p->nent = 0;				/* No ramdac */
+	p->edepth = 8;				/* Assumed */
 
 	/* Basic object is initialised, so create connection to ChromeCast */
 	if ((ws = new_chws(cc_id, width, height, hoff, voff, verb, ddebug)) == NULL) {
diff --git a/spectro/ccxxmake.c b/spectro/ccxxmake.c
index 418affc..740eb0a 100644
--- a/spectro/ccxxmake.c
+++ b/spectro/ccxxmake.c
@@ -500,7 +500,7 @@ int main(int argc, char *argv[]) {
 				fa = nfa;
 				if (na == NULL) usage(0,"Paramater expected following -W");
 				if (na[0] == 'n' || na[0] == 'N')
-					fc = fc_none;
+					fc = fc_None;
 				else if (na[0] == 'h' || na[0] == 'H')
 					fc = fc_Hardware;
 				else if (na[0] == 'x' || na[0] == 'X')
@@ -1441,11 +1441,12 @@ int main(int argc, char *argv[]) {
 						strcat(colname, ")");
 					}
 					if (description == NULL) {
-						if ((description = malloc(strlen(colname) + strlen(displayname) + 4)) == NULL)
+						char *disp = displayname != NULL ? displayname : dtinfo->desc;
+						if ((description = malloc(strlen(colname) + strlen(disp) + 4)) == NULL)
 							error("Malloc failed");
 						strcpy(description, colname);
 						strcat(description, " & ");
-						strcat(description, displayname);
+						strcat(description, disp);
 					}
 
 					if (refrmode < 0)
diff --git a/spectro/chartread.c b/spectro/chartread.c
index 9cf6c22..e1624e1 100644
--- a/spectro/chartread.c
+++ b/spectro/chartread.c
@@ -1,7 +1,8 @@
 
+/* Spectrometer/Colorimeter target test chart reader */
+
 /* 
  * Argyll Color Correction System
- * Spectrometer/Colorimeter target test chart reader
  *
  * Author: Graeme W. Gill
  * Date:   4/10/96
@@ -58,6 +59,11 @@
 
 #define COMPORT 1		/* Default com port 1..4 */
 
+#undef TEST_EVENT_CALLBACK      /* Report async event callbacks, and implement beep prompt there. */
+
+#undef USESTRDELTA		/* [Und] Use patch delat's for correlation rather than match DE */
+						/* Doesn't seem to work as well. Why ? */
+
 #ifdef __MINGW32__
 # define WINVER 0x0500
 #endif
@@ -69,22 +75,36 @@
 #include <time.h>
 #include <ctype.h>
 #include <string.h>
+#ifndef SALONEINSTLIB
 #include "copyright.h"
 #include "aconfig.h"
-#include "cgats.h"
 #include "numlib.h"
-#include "icc.h"
 #include "xicc.h"
-#include "insttypes.h"
 #include "conv.h"
+#include "ui.h"
+#include "icc.h"
+#else /* SALONEINSTLIB */
+#include "sa_config.h"
+#include "numsup.h"
+#include "cgats.h"
+#include "rspl1.h"
+#include "xspect.h"
+#include "xcolorants.h"
+#include "xcal.h"
+#include "conv.h"
+#include "sa_conv.h"
+#endif /* SALONEINSTLIB */
+#include "cgats.h"
+#include "insttypes.h"
 #include "icoms.h"
 #include "inst.h"
 #include "ccmx.h"
 #include "ccss.h"
+#ifndef SALONEINSTLIB
 #include "dispwin.h"
-#include "ui.h"
 #include "ccast.h"
 #include "dispsup.h"
+#endif /* !SALONEINSTLIB */
 #include "alphix.h"
 #include "sort.h"
 #include "instappsup.h"
@@ -132,6 +152,24 @@ static double xyzLabDE(double ynorm, double *pat, double *ref) {
 	return icmLabDE(Lab1, Lab2);
 }
 
+#ifdef USESTRDELTA
+/* Return the -ve correlation of the delta E's between steps */
+static double xyzLabcorr(double *pat0, double *ref0,
+                         double *pat1, double *ref1) {
+	double p0[3], p1[3], pd[3];
+	double r0[3], r1[3], rd[3];
+
+	icmXYZ2Lab(&icmD50, p0, pat0);
+	icmXYZ2Lab(&icmD50, p1, pat1);
+	ICMSUB3(pd, p0, p1);
+	icmXYZ2Lab(&icmD50, r0, ref0);
+	icmXYZ2Lab(&icmD50, r1, ref1);
+	ICMSUB3(rd, r0, r1);
+
+	return -icmDot3(rd, pd);
+}
+#endif
+
 /* A chart read color structure */
 /* This can hold all representations simultaniously */
 typedef struct {
@@ -169,6 +207,15 @@ static int b62_int(char *p) {
 	return rv;
 }
 
+#ifdef TEST_EVENT_CALLBACK
+void test_event_callback(void *cntx, inst_event_type event) {
+	a1logd(g_log,0,"Got event_callback with 0x%x\n",event);
+
+	if (event == inst_event_scan_ready)
+		normal_beep();
+}
+#endif
+
 /* Deal with an instrument error. */
 /* Return 0 to retry, 1 to abort */
 static int ierror(inst *it, inst_code ic) {
@@ -211,6 +258,8 @@ int displ,			/* 1 = Use display emissive mode, 2 = display bright rel. */
 					/* 3 = display white rel. */
 int dtype,			/* Display type selection charater */
 inst_opt_filter fe,	/* Optional filter */
+xcalstd scalstd,	/* X-Rite calibration standard to set */
+xcalstd *ucalstd,	/* X-Rite calibration standard actually used */
 int nocal,			/* Disable initial calibration */
 int disbidi,		/* Disable automatic bi-directional strip recognition */
 int highres,		/* Use high res spectral mode */
@@ -224,6 +273,7 @@ int spectral,		/* Generate spectral info flag */
 int uvmode,			/* ~~~ i1pro2 test mode ~~~ */
 int accurate_expd,	/* Expected values can be assumed to be accurate */
 int emit_warnings,	/* Emit warnings for wrong strip, unexpected value */
+int doplot,			/* Plot each spectra in patch by patch mode */
 a1log *log			/* verb, debug & error log */
 ) {
 	inst *it = NULL;
@@ -251,6 +301,11 @@ a1log *log			/* verb, debug & error log */
 			printf("Unknown, inappropriate or no instrument detected\n");
 			return -1;
 		}
+
+#ifdef TEST_EVENT_CALLBACK
+		it->set_event_callback(it, test_event_callback, (void *)it);
+#endif
+
 		/* Establish communications */
 		if ((rv = it->init_coms(it, br, fc, 15.0)) != inst_ok) {
 			printf("Establishing communications with instrument failed with message '%s' (%s)\n",
@@ -276,6 +331,24 @@ a1log *log			/* verb, debug & error log */
 			return -1;
 		}
 
+		/* For reflective */
+		if (emis == 0 && trans == 0) {
+
+			/* set XRGA conversion */
+			if (scalstd != xcalstd_none) {
+				if ((rv = it->get_set_opt(it, inst_opt_set_xcalstd, scalstd)) != inst_ok) {
+					printf("Warning: Setting calibration standard not supported by instrument\n");
+				}
+			}
+	
+			/* Get actual XRGA conversion */
+			if (ucalstd != NULL) {
+				if ((rv = it->get_set_opt(it, inst_opt_get_xcalstd, ucalstd)) != inst_ok) {
+					*ucalstd = xcalstd_none;
+				}
+			}
+		}
+
 		*atype = it->get_itype(it);		/* Actual instrument type */
 		if (*atype != itype)
 			a1logv(log, 1, "Warning: chart is for %s, using instrument %s\n",inst_name(itype),inst_name(*atype));
@@ -297,8 +370,8 @@ a1log *log			/* verb, debug & error log */
 			} else if (emis || displ) {
 
 				if (emis) {
-					if (!IMODETST(cap, inst_mode_emis_spot)
-					 && !IMODETST(cap, inst_mode_emis_strip)) {
+					if (it->check_mode(it, inst_mode_emis_spot) != inst_ok
+					 && it->check_mode(it, inst_mode_emis_strip) != inst_ok) {
 						printf("Need emissive spot or strip reading capability\n");
 						printf("and instrument doesn't support it\n");
 						it->del(it);
@@ -306,7 +379,7 @@ a1log *log			/* verb, debug & error log */
 					}
 				} else {
 					/* Should we allow for non-adaptive mode ? */
-					if (!IMODETST(cap, inst_mode_emis_spot)) {
+					if (it->check_mode(it, inst_mode_emis_spot) != inst_ok) {
 						printf("Need emissive reading capability\n");
 						printf("and instrument doesn't support it\n");
 						it->del(it);
@@ -314,7 +387,7 @@ a1log *log			/* verb, debug & error log */
 					}
 				}
 
-			} else {
+			} else {	/* reflectance */
 				if (!IMODETST(cap, inst_mode_reflection)) {
 					printf("Need reflection spot, strip, xy or chart reading capability,\n");
 					printf("and instrument doesn't support it\n");
@@ -461,20 +534,17 @@ a1log *log			/* verb, debug & error log */
 
 			/* Should look at instrument type & user spec ??? */
 			if (trans) {
-				if (pbypatch && IMODETST(cap, inst_mode_trans_spot)
+				if (pbypatch
 				 && it->check_mode(it, inst_mode_trans_spot) == inst_ok) {
 					mode = inst_mode_trans_spot;
 					rmode = 0;
-				} else if (IMODETST(cap, inst_mode_trans_chart)
-				 && it->check_mode(it, inst_mode_trans_chart) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_trans_chart) == inst_ok) {
 					mode = inst_mode_trans_chart;
 					rmode = 3;
-				} else if (IMODETST(cap, inst_mode_trans_xy)
-				 && it->check_mode(it, inst_mode_trans_xy) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_trans_xy) == inst_ok) {
 					mode = inst_mode_trans_xy;
 					rmode = 2;
-				} else if (IMODETST(cap, inst_mode_trans_strip)
-				 && it->check_mode(it, inst_mode_trans_strip) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_trans_strip) == inst_ok) {
 					mode = inst_mode_trans_strip;
 					rmode = 1;
 				} else {
@@ -482,23 +552,24 @@ a1log *log			/* verb, debug & error log */
 					rmode = 0;
 				}
 			} else if (displ) {
+printf("~1 using displ mode\n");
 				/* We assume a display mode will always be spot by spot */
 				mode = inst_mode_emis_spot;
 				rmode = 0;
 			} else if (emis) {
-				if (pbypatch && IMODETST(cap, inst_mode_emis_spot)
+printf("~1 using emis mode\n");
+				if (pbypatch
 				 && it->check_mode(it, inst_mode_emis_spot) == inst_ok) {
 					mode = inst_mode_emis_spot;
 					rmode = 0;
-				} else if (IMODETST(cap, inst_mode_emis_strip)
-				 && it->check_mode(it, inst_mode_emis_strip) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_emis_strip) == inst_ok) {
 					mode = inst_mode_emis_strip;
 					rmode = 1;
 				} else {
 					mode = inst_mode_emis_spot;
 					rmode = 0;
 				}
-			} else {
+			} else {	/* Reflectance */
 				inst_stat_savdrd sv = inst_stat_savdrd_none;
 
 				/* See if instrument has a saved mode, and if it has data that */
@@ -602,58 +673,50 @@ a1log *log			/* verb, debug & error log */
 				}
 
 				if (pbypatch
-				        && IMODETST(cap, inst_mode_s_ref_spot)
 				        && it->check_mode(it, inst_mode_s_ref_spot) == inst_ok
 				        && (sv & inst_stat_savdrd_spot)) {
 					mode = inst_mode_s_ref_spot;
 					svdmode = 1;
 					rmode = 0;
 
-				} else if (IMODETST(cap, inst_mode_s_ref_chart)
-				        && it->check_mode(it, inst_mode_s_ref_chart) == inst_ok
+				} else if (it->check_mode(it, inst_mode_s_ref_chart) == inst_ok
 				        && (sv & inst_stat_savdrd_chart)) {
 					mode = inst_mode_s_ref_chart;
 					svdmode = 1;
 					rmode = 3;
 
-				} else if (IMODETST(cap, inst_mode_s_ref_xy)
-				        && it->check_mode(it, inst_mode_s_ref_xy) == inst_ok
+				} else if (it->check_mode(it, inst_mode_s_ref_xy) == inst_ok
 				        && (sv & inst_stat_savdrd_xy)) {
 					mode = inst_mode_s_ref_xy;
 					svdmode = 1;
 					rmode = 2;
 
-				} else if (IMODETST(cap, inst_mode_s_ref_strip)
-				        && it->check_mode(it, inst_mode_s_ref_strip) == inst_ok
+				} else if (it->check_mode(it, inst_mode_s_ref_strip) == inst_ok
 				        && (sv & inst_stat_savdrd_strip)) {
 					mode = inst_mode_s_ref_strip;
 					svdmode = 1;
 					rmode = 1;
 
-				} else if (IMODETST(cap, inst_mode_s_ref_spot)
-				        && it->check_mode(it, inst_mode_s_ref_spot) == inst_ok
+				} else if (it->check_mode(it, inst_mode_s_ref_spot) == inst_ok
 				        && (sv & inst_stat_savdrd_spot)) {
 					mode = inst_mode_s_ref_spot;
 					svdmode = 1;
 					rmode = 0;
 
-				} else if (pbypatch && IMODETST(cap, inst_mode_ref_spot)
+				} else if (pbypatch 
 				        && it->check_mode(it, inst_mode_ref_spot) == inst_ok) {
 					mode = inst_mode_ref_spot;
 					rmode = 0;
 
-				} else if (IMODETST(cap, inst_mode_ref_chart)
-				        && it->check_mode(it, inst_mode_ref_chart) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_ref_chart) == inst_ok) {
 					mode = inst_mode_ref_chart;
 					rmode = 3;
 
-				} else if (IMODETST(cap, inst_mode_ref_xy)
-				        && it->check_mode(it, inst_mode_ref_xy) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_ref_xy) == inst_ok) {
 					mode = inst_mode_ref_xy;
 					rmode = 2;
 
-				} else if (IMODETST(cap, inst_mode_ref_strip)
-				        && it->check_mode(it, inst_mode_ref_strip) == inst_ok) {
+				} else if (it->check_mode(it, inst_mode_ref_strip) == inst_ok) {
 					mode = inst_mode_ref_strip;
 					rmode = 1;
 
@@ -1076,6 +1139,12 @@ a1log *log			/* verb, debug & error log */
 		int pai;				/* Current pass in current strip */
 		int oroi;				/* Overall row index */
 
+		if (
+		    itype != instDTP20 &&
+	        !rand && disbidi == 0) {
+			warning("Can't do bi-directional strip recognition without randomized patch locations");
+		}
+
 		/* Do any needed calibration before the user places the instrument on a desired spot */
 		if (it->needs_calibration(it) & inst_calt_n_dfrble_mask) {
 			if ((rv = inst_handle_calibrate(it, inst_calt_needed, inst_calc_none, NULL, NULL, 0))
@@ -1168,6 +1237,7 @@ a1log *log			/* verb, debug & error log */
 						pai = 0;
 					}
 //printf("~1 stix = %d, pis[stix] = %d, oroi = %d, rr %d\n",stix, pis[stix],oroi,scols[oroi * stipa]->rr);
+					// Note we aren't protecting agains a bodgy pis[] value
 					if (incflag == 1 || scols[oroi * stipa]->rr == 0 || oroi == s_oroi)
 						break;
 				}
@@ -1261,8 +1331,8 @@ a1log *log			/* verb, debug & error log */
 
 								/* Not all rows have been read */
 								empty_con_chars();
-								printf("\nDone ? - At least one unread patch (%s), Are you sure [y/n]: ",
-								       scols[i]->loc);
+								printf("\nDone ? - At least one unread patch (%s, %s), Are you sure [y/n]: ",
+								       scols[i]->id, scols[i]->loc);
 								fflush(stdout);
 								ch = next_con_char();
 								printf("\n");
@@ -1333,7 +1403,8 @@ a1log *log			/* verb, debug & error log */
 							return -1;
 						}
 						printf("\n");
-						if (it->icom->port_type(it->icom) == icomt_serial) {
+						if ((it->icom->port_type(it->icom) & icomt_serial)
+						 && !(it->icom->port_attr(it->icom) & icomt_fastserial)) {
 							/* Allow retrying at a lower baud rate */
 							int tt = it->last_scomerr(it);
 							if (tt & (ICOM_BRK | ICOM_FER | ICOM_PER | ICOM_OER)) {
@@ -1386,9 +1457,9 @@ a1log *log			/* verb, debug & error log */
 					double werror = 0.0;	/* Worst case error in best correlation strip */
 
 					double xbcorr = 1e6;	/* Expected pass correlation value */
-					int xboff;				/* Expected pass offset */
+					int xboff;				/* Expected pass best offset */
 					int xbdir;				/* Expected pass overall pass direction */
-					double xwerror = 0.0;	/* Expected pass worst error in best strip */
+					double xwerror = 0.0;	/* Expected pass worst patcch error */
 
 					if (rand && disbidi == 0 && (cap2 & inst2_bidi_scan))
 						dirrg = 2;			/* Enable bi-directional strip recognition */
@@ -1426,17 +1497,29 @@ a1log *log			/* verb, debug & error log */
 								}
 
 								/* Compare just sample patches (not padding Max/Min) */
-								for (pwerr = corr = 0.0, n = 0, i = 0; i < stipa; i++, n++) {
+#ifdef USESTRDELTA
+								for (pwerr = corr = 0.0, n = 0, i = 0; i < (stipa-1); i++, n++)
+#else
+								for (pwerr = corr = 0.0, n = 0, i = 0; i < stipa; i++, n++)
+#endif
+								{
 									double vcorr;
-									int ix = i+skipp+toff;
-									if (dir != 0)
+									int ix = i+skipp+toff, ix1 = ix+1;
+									if (dir != 0) {
 										ix = stipa - 1 - ix;
+										ix1 = stipa - 1 - ix1;
+									}
 									if (vals[ix].XYZ_v == 0)
 										error("Instrument didn't return XYZ value");
+#ifdef USESTRDELTA
+									vcorr = xyzLabcorr(vals[ix].XYZ, scb[i]->eXYZ,
+									                   vals[ix1].XYZ, scb[i+1]->eXYZ);
+#else
 									vcorr = xyzLabDE(ynorm, vals[ix].XYZ, scb[i]->eXYZ);
+#endif
 //printf("DE %f from vals[%d] %f %f %f and scols[%d] %f %f %f\n", vcorr, ix, vals[ix].XYZ[0], vals[ix].XYZ[1], vals[ix].XYZ[2], i + choroi * stipa, scb[i]->eXYZ[0], scb[i]->eXYZ[1], scb[i]->eXYZ[2]);
 									corr += vcorr;
-									if (vcorr > pwerr)
+									if (vcorr > pwerr)	/* Worsed patch error */
 										pwerr = vcorr;
 								}
 								corr /= (double)n;
@@ -1444,16 +1527,16 @@ a1log *log			/* verb, debug & error log */
 								printf("  Strip %d dir %d offset %d correlation = %f\n",choroi,dir,toff,corr);
 
 #endif
-								/* Expected strip correlation and */
-								/* best fir to off by 1 and direction */
+								/* If this is the expected strip, */
+								/* note correlation and best fit to off by 1 and direction */
 								if (choroi == oroi && corr < xbcorr) { 
-									xbcorr = corr;
+									xbcorr = corr;		/* Expected strip correlation */
 									xboff = toff;
 									xbdir = dir;
 									xwerror = pwerr;	/* Expected passes worst error */
 								}
 
-								/* Best matched strip correlation */
+								/* Best overall matched strip correlation */
 								if (corr < bcorr) {
 									boroi = choroi;
 									bcorr = corr;
@@ -1624,6 +1707,7 @@ a1log *log			/* verb, debug & error log */
 			inst_set_uih('G', 'G', DUIH_CMND);
 			inst_set_uih('d', 'd', DUIH_CMND);
 			inst_set_uih('D', 'D', DUIH_CMND);
+			inst_set_uih('k', 'k',   DUIH_CMND);
 			inst_set_uih('q', 'q', DUIH_ABORT);
 			inst_set_uih('Q', 'Q', DUIH_ABORT);
 			inst_set_uih(0xd, 0xd, DUIH_TRIG);	/* Return */
@@ -1637,7 +1721,7 @@ a1log *log			/* verb, debug & error log */
 			incflag = 3;
 
 		/* Until we're  done */
-		for(;pix < npat;) {
+		for (;pix < npat;) {
 			char buf[200], *bp = NULL, *ep = NULL;
 			char ch = 0;
 
@@ -1716,7 +1800,7 @@ a1log *log			/* verb, debug & error log */
 			}
 
 			if (xtern != 0) {	/* User entered values */
-				printf("\nReady to read patch '%s'%s\n",scols[pix]->loc,
+				printf("\nReady to read patch '%s' at '%s'%s\n",scols[pix]->id, scols[pix]->loc,
 				       i >= npat ? "(All patches read!)" :
 				       strcmp(scols[pix]->id, "0") == 0 ? " (Padding Patch)" :
 				       scols[pix]->rr ? " (Already read)" : "");
@@ -1747,7 +1831,7 @@ a1log *log			/* verb, debug & error log */
 
 				empty_con_chars();
 
-				printf("\nReady to read patch '%s'%s\n",scols[pix]->loc,
+				printf("\nReady to read patch '%s' at '%s'%s\n",scols[pix]->id, scols[pix]->loc,
 				       i >= npat ? " (All patches read!)" :
 				       strcmp(scols[pix]->id, "0") == 0 ? " (Padding Patch)" :
 				       scols[pix]->rr ? " (Already read)" : "");
@@ -1755,7 +1839,7 @@ a1log *log			/* verb, debug & error log */
 				printf("hit 'f' to move forward, 'F' move forward 10,\n");
 				printf("    'b' to move back,    'B; to move back 10,\n");
 				printf("    'n' for next unread, 'g' to goto patch,\n");
-				printf("    'd' when done,       <esc> to abort,\n");
+				printf("    'd' when done,       'k' to calibrate, <esc> to abort,\n");
 
 				if (uswitch)
 					printf("    Instrument switch,   <return> or <space> to read:");
@@ -1772,7 +1856,7 @@ a1log *log			/* verb, debug & error log */
 						good_beep();
 					ch = '0';
 
-				/* Deal with user trigger */
+				/* Deal with user trigger via user interface callback function */
 				} else if ((rv & inst_mask) == inst_user_trig) {
 					if (cap2 & inst2_no_feedback)
 						good_beep();
@@ -1841,7 +1925,8 @@ a1log *log			/* verb, debug & error log */
 						return -1;
 					}
 					printf("\n");
-					if (it->icom->port_type(it->icom) == icomt_serial) {
+					if ((it->icom->port_type(it->icom) & icomt_serial)
+					 && !(it->icom->port_attr(it->icom) & icomt_fastserial)) {
 						/* Allow retrying at a lower baud rate */
 						int tt = it->last_scomerr(it);
 						if (tt & (ICOM_BRK | ICOM_FER | ICOM_PER | ICOM_OER)) {
@@ -1891,6 +1976,15 @@ a1log *log			/* verb, debug & error log */
 				}
 				printf("\n");
 				continue;
+			} else if (ch == 'k') {
+				inst_code ev;
+
+				ev = inst_handle_calibrate(it, inst_calt_available, inst_calc_none, NULL, NULL, 0);
+				if (ev != inst_ok) {	/* Abort or fatal error */
+					it->del(it);
+					return -1;
+				}
+				continue;
 			} else if (ch == 'f') {
 				incflag = 1;
 				continue;
@@ -1920,8 +2014,8 @@ a1log *log			/* verb, debug & error log */
 
 				/* Not all patches have been read */
 				empty_con_chars();
-				printf("\nDone ? - At least one unread patch (%s), Are you sure [y/n]: ",
-				       scols[i]->loc);
+				printf("\nDone ? - At least one unread patch (%s, %s), Are you sure [y/n]: ",
+				       scols[i]->id, scols[i]->loc);
 				fflush(stdout);
 				if ((ch = next_con_char()) == 0x1b) {
 					printf("\n");
@@ -1996,6 +2090,10 @@ a1log *log			/* verb, debug & error log */
 				}
 				scols[pix]->rr = 1;		/* Has been read */
 				printf(" Patch read OK\n");
+
+				if (doplot && val.sp.spec_n > 0)
+					xspect_plot_w(&val.sp, NULL, NULL, 0);
+
 				/* Advance to next patch. */
 				incflag = 1;
 			} else {	/* Unrecognised response */
@@ -2018,7 +2116,7 @@ usage() {
 	fprintf(stderr,"usage: chartread [-options] outfile\n");
 	fprintf(stderr," -v             Verbose mode\n");
 	fprintf(stderr," -c listno      Set communication port from the following list (default %d)\n",COMPORT);
-	if ((icmps = new_icompaths(NULL)) != NULL) {
+	if ((icmps = new_icompaths(g_log)) != NULL) {
 		icompath **paths;
 		if ((paths = icmps->paths) != NULL) {
 			int i;
@@ -2046,6 +2144,7 @@ usage() {
 	fprintf(stderr,"    p             Polarising filter\n");
 	fprintf(stderr,"    6             D65\n");
 	fprintf(stderr,"    u             U.V. Cut\n");
+	fprintf(stderr," -A N|A|X|G      XRGA conversion (default N)\n");
 	fprintf(stderr," -N              Disable initial calibration of instrument if possible\n");
 	fprintf(stderr," -B              Disable auto bi-directional strip recognition\n");
 	fprintf(stderr," -H              Use high resolution spectrum mode (if available)\n");
@@ -2055,12 +2154,19 @@ usage() {
 		int i;
 		fprintf(stderr," -X file.ccss    Use Colorimeter Calibration Spectral Samples for calibration\n");
 		fprintf(stderr," -Q observ       Choose CIE Observer for CCSS instrument:\n");
+#ifdef SALONEINSTLIB
+		fprintf(stderr,"                 1931_2 (def), 1964_10\n");
+#else /* !SALONEINSTLIB */
 		fprintf(stderr,"                 1931_2 (def), 1964_10, S&B 1955_2, shaw, J&V 1978_2\n");
+#endif /* !SALONEINSTLIB */
 	}
 	fprintf(stderr," -T ratio        Modify strip patch consistency tolerance by ratio\n");
 	fprintf(stderr," -S              Suppress wrong strip & unexpected value warnings\n");
 //	fprintf(stderr," -Y U                 Test i1pro2 UV measurement mode\n");
 	fprintf(stderr," -W n|h|x        Override serial port flow control: n = none, h = HW, x = Xon/Xoff\n");
+#ifndef SALONEINSTLIB
+	fprintf(stderr," -P              Plot spectral if patch by patch\n");
+#endif
 	fprintf(stderr," -D [level]      Print debug diagnostics to stderr\n");
 	fprintf(stderr," outfile         Base name for input[ti2]/output[ti3] file\n");
 	if (icmps != NULL)
@@ -2092,11 +2198,14 @@ int main(int argc, char *argv[]) {
 	int xtern = 0;					/* Take external values, 1 = Lab, 2 = XYZ */
 	int spectral = 1;				/* Save spectral information */
 	int uvmode = 0;					/* ~~~ i1pro2 test mode ~~~ */
+	xcalstd scalstd = xcalstd_none;	/* X-Rite calibration standard to set */
+	xcalstd ucalstd = xcalstd_none;	/* X-Rite calibration standard actually used */
 	int accurate_expd = 0;			/* Expected value assumed to be accurate */
 	int emit_warnings = 1;			/* Emit warnings for wrong strip, unexpected value */
 	int dolab = 0;					/* 1 = Save CIE as Lab, 2 = Save CIE as XYZ and Lab */
 	int doresume = 0;				/* Resume reading a chart */
 	int nocal = 0;					/* Disable initial calibration */
+	int doplot = 0;					/* Plot spectral of patch by patch */
 	char ccxxname[MAXNAMEL+1] = "\000";  /* Colorimeter Correction/Colorimeter Calibration name */
 	icxObserverType obType = icxOT_default;		/* ccss observer */
 	static char inname[MAXNAMEL+1] = { 0 };	/* Input cgats file base name */
@@ -2191,12 +2300,14 @@ int main(int argc, char *argv[]) {
 					obType = icxOT_CIE_1931_2;
 				} else if (strcmp(na, "1964_10") == 0) {	/* Classic 10 degree */
 					obType = icxOT_CIE_1964_10;
+#ifndef SALONEINSTLIB
 				} else if (strcmp(na, "1955_2") == 0) {		/* Stiles and Burch 1955 2 degree */
 					obType = icxOT_Stiles_Burch_2;
 				} else if (strcmp(na, "1978_2") == 0) {		/* Judd and Voss 1978 2 degree */
 					obType = icxOT_Judd_Voss_2;
 				} else if (strcmp(na, "shaw") == 0) {		/* Shaw and Fairchilds 1997 2 degree */
 					obType = icxOT_Shaw_Fairchild_2;
+#endif /* !SALONEINSTLIB */
 				} else
 					usage();
 			}
@@ -2217,7 +2328,7 @@ int main(int argc, char *argv[]) {
 				fa = nfa;
 				if (na == NULL) usage();
 				if (na[0] == 'n' || na[0] == 'N')
-					fc = fc_none;
+					fc = fc_None;
 				else if (na[0] == 'h' || na[0] == 'H')
 					fc = fc_Hardware;
 				else if (na[0] == 'x' || na[0] == 'X')
@@ -2320,6 +2431,27 @@ int main(int argc, char *argv[]) {
 				else
 					usage();
 
+			/* XRGA conversion */
+			} else if (argv[fa][1] == 'A') {
+				fa = nfa;
+				if (na == NULL) usage();
+				if (na[0] == 'N')
+					scalstd = xcalstd_none;
+				else if (na[0] == 'A')
+					scalstd = xcalstd_xrga;
+				else if (na[0] == 'X')
+					scalstd = xcalstd_xrdi;
+				else if (na[0] == 'G')
+					scalstd = xcalstd_gmdi;
+				else
+					usage();
+
+#ifndef SALONEINSTLIB
+			/* Plot spectral patch by patch */
+			} else if (argv[fa][1] == 'P') {
+				doplot = 1;
+#endif
+
 			/* Extra flags */
 			} else if (argv[fa][1] == 'Y') {
 				if (na == NULL)
@@ -2392,7 +2524,7 @@ int main(int argc, char *argv[]) {
 				if ((itype = inst_enum(icg->t[0].kdata[ti])) == instUnknown)
 					error ("Unrecognised chart target instrument '%s'", icg->t[0].kdata[ti]);
 		} else {
-			itype = instDTP41;		/* Default chart target instrument */
+			itype = instI1Pro;		/* Default chart target instrument */
 		}
 	}
 
@@ -2508,10 +2640,6 @@ int main(int argc, char *argv[]) {
 			tlen = atof(icg->t[0].kdata[ti]);
 	}
 
-	if (itype != instDTP20 && !rand && disbidi == 0) {
-		warning("Can't do bi-directional strip recognition without randomize patch locations");
-	}
-
 	if (verb) {
 		printf("Steps in each Pass = %d\n",stipa);
 		printf("Passes in each Strip = ");
@@ -2537,6 +2665,8 @@ int main(int argc, char *argv[]) {
 
 	totpa = (npat + stipa -1)/stipa;	/* Total passes for all strips */
 	runpat = stipa * totpa;				/* Rounded up totao number of patches */
+	if (runpat < npat)		/* (If pattern doesn't match patches) */
+		runpat = npat;
 	if ((cols = (chcol *)malloc(sizeof(chcol) * runpat)) == NULL)
 		error("Malloc failed!");
 	if ((scols = (chcol **)calloc(sizeof(chcol *), runpat)) == NULL)
@@ -2684,29 +2814,40 @@ int main(int argc, char *argv[]) {
 		cal = NULL;
 	}
 
-	/* Set up the location sorted array of pointers */
-	for (i = 0; i < npat; i++) {
-		scols[i] = &cols[i];
-		if ((cols[i].loci = patch_location_order(paix, saix, ixord, cols[i].loc)) < 0)
-			error ("Bad location field value '%s' on patch %d", cols[i].loc, i);
-	}
-	for (; i < runpat; i++) {	/* Extra on end */
-		scols[i] = &cols[i];
-		cols[i].loci = (totpa-1) * (256 - stipa) + i; 
+	/* Set up the location sorted array of pointers. */
+	/* If the order is not randomized, we don't care what form */
+	/* the location identifiers take - i.e. they can be arbitrary. */
+	{
+		int badloc = 0;
+
+		for (i = 0; i < npat; i++) {
+			scols[i] = &cols[i];
+			if ((cols[i].loci = patch_location_order(paix, saix, ixord, cols[i].loc)) < 0)
+				badloc = 1;
+		}
+		for (; i < runpat; i++) {	/* Extra on end */
+			scols[i] = &cols[i];
+			cols[i].loci = (totpa-1) * (256 - stipa) + i; 
 /* printf("~~extra = %d, %d\n",cols[i].loci >> 8, cols[i].loci & 255); */
-	}
+		}
 
-	/* Reset 'read' flag and all data */
-	for (i = 0; i < runpat; i++) {
-		cols[i].rr = 0;
-		cols[i].XYZ[0] = -1.0;
-		cols[i].XYZ[1] = -1.0;
-		cols[i].XYZ[2] = -1.0;
-		cols[i].sp.spec_n = 0;
-	}
+		/* Reset 'read' flag and all data */
+		for (i = 0; i < runpat; i++) {
+			cols[i].rr = 0;
+			cols[i].XYZ[0] = -1.0;
+			cols[i].XYZ[1] = -1.0;
+			cols[i].XYZ[2] = -1.0;
+			cols[i].sp.spec_n = 0;
+		}
+
+		if (rand && badloc)
+			error ("Bad location field value '%s' on patch %d", cols[i].loc, i);
 
+		if (!badloc) {
 #define HEAP_COMPARE(A,B) (A->loci < B->loci)
-	HEAPSORT(chcol *, scols, npat);
+			HEAPSORT(chcol *, scols, npat);
+		}
+	}
 
 	/* If we're resuming a chartread, fill in all the patches that */
 	/* have been read. */
@@ -2840,17 +2981,20 @@ int main(int argc, char *argv[]) {
 		}
 	}
 
-	if ((icmps = new_icompaths(g_log)) == NULL)
-		error("Finding instrument paths failed");
-	if ((ipath = icmps->get_path(icmps, comport)) == NULL)
-		error("No instrument at port %d",comport);
+	if (!xtern) {
+		if ((icmps = new_icompaths(g_log)) == NULL)
+			error("Finding instrument paths failed");
+		if ((ipath = icmps->get_path(icmps, comport)) == NULL)
+			error("No instrument at port %d",comport);
+	}
 
 	/* Read all of the strips in */
 	if (read_strips(itype, scols, &atype, npat, totpa, stipa, pis, paix,
 	                saix, ixord, rstart, rand, hex, ipath, fc, plen, glen, tlen,
-	                trans, emis, displ, dtype, fe, nocal, disbidi, highres, ccxxname, obType,
+	                trans, emis, displ, dtype, fe, scalstd, &ucalstd, nocal, disbidi, highres,
+		            ccxxname, obType,
 	                scan_tol, pbypatch, xtern, spectral, uvmode, accurate_expd,
-	                emit_warnings, g_log) == 0) {
+	                emit_warnings, doplot, g_log) == 0) {
 		/* And save the result */
 
 		int nrpat;				/* Number of read patches */
@@ -2861,6 +3005,10 @@ int main(int argc, char *argv[]) {
 		/* Note what instrument the chart was read with */
 		ocg->add_kword(ocg, 0, "TARGET_INSTRUMENT", inst_name(atype) , NULL);
 
+		/* X-Rite calibration standard (If reflective mode) */
+		if (displ == 0 && trans == 0 && ucalstd != xcalstd_none) 
+			ocg->add_kword(ocg, 0, "DEVCALSTD",xcalstd2str(ucalstd), NULL);
+
 		/* Count patches actually read */
 		for (nrpat = i = 0; i < npat; i++) {
 			if (cols[i].rr) {
diff --git a/spectro/colorhug.c b/spectro/colorhug.c
index 7397314..fefe766 100644
--- a/spectro/colorhug.c
+++ b/spectro/colorhug.c
@@ -1138,8 +1138,7 @@ int *cbid) {
  * error if it hasn't been initialised.
  */
 static inst_code
-colorhug_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+colorhug_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	colorhug *p = (colorhug *)pp;
 	inst_code ev = inst_ok;
 
@@ -1184,7 +1183,17 @@ colorhug_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return colorhug_set_LEDs(p, mask);
 	}
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/colorhug.h b/spectro/colorhug.h
index 90fff6f..8617705 100644
--- a/spectro/colorhug.h
+++ b/spectro/colorhug.h
@@ -20,6 +20,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update colorhug_interp_error() and colorhug_interp_code() in colorhug.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -94,6 +98,10 @@ struct _colorhug {
 /* Constructor */
 extern colorhug *new_colorhug(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
+
 
 #define COLORHUG_H
 #endif /* COLORHUG_H */
diff --git a/spectro/conv.c b/spectro/conv.c
index 94023db..284a30c 100644
--- a/spectro/conv.c
+++ b/spectro/conv.c
@@ -64,7 +64,7 @@
 #include "conv.h"
 #include "icoms.h"
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 //#include <stdbool.h>
 #include <sys/sysctl.h>
 #include <sys/param.h>
@@ -81,7 +81,7 @@
 #if MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
 # include <objc/objc-auto.h>
 #endif
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #undef DEBUG
 
@@ -131,6 +131,8 @@ int next_con_char(void) {
 	return c;
 }
 
+#ifdef NEVER	// Don't need this now.
+
 /* Horrible hack to poll stdin when we're not interactive. */
 /* This has the drawback that the char and returm must be */
 /* written in one operation for the character to be recognised - */
@@ -143,9 +145,12 @@ static int th_read_char(void *pp) {
 	DWORD bread;
 
 	if ((stdinh = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) {
+		*rp = 0;		/* We've started */
 		return 0;
 	}
 
+	*rp = 0;		/* We've started */
+
 	if (ReadFile(stdinh, buf, 1, &bread, NULL)
 	 && bread == 1
 	 && buf[0] != '\r' && buf[0] != '\n') { 
@@ -154,32 +159,65 @@ static int th_read_char(void *pp) {
 
 	return 0;
 }
+#endif	/* NEVER */
 
 /* If there is one, return the next character from the keyboard, else return 0 */
 /* (If not_interactive, always returns 0) */
 int poll_con_char(void) {
 
 	if (not_interactive) {		/* Can't assume that it's the console */
+
+#ifdef NEVER	// Use better approach below.
 		athread *getch_thread = NULL;
-		char c = 0;
+		volatile char c = 0xff;
 	
 		/* This is pretty horrible. The problem is that we can't use */
 		/* any of MSWin's async file read functions, because we */
 		/* have no way of ensuring that the STD_INPUT_HANDLE has been */
 		/* opened with FILE_FLAG_OVERLAPPED. Used a thread instead... */
-		/* ReOpenFile() would fix this, but it's not available in WinXP, only Visa+ :-( */
-		if ((getch_thread = new_athread(th_read_char, &c)) != NULL) {
+		/* ReOpenFile() would in theory fix this, but it's not available in WinXP, only Visa+, */
+		/* and aparently doesn't work on stdin anyway! :-( */
+		if ((getch_thread = new_athread(th_read_char, (char *)&c)) != NULL) {
 			HANDLE stdinh;
 
 			if ((stdinh = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) {
 				return 0;
 			}
 
-			Sleep(100);			/* We just hope 1 msec is enough for the thread to start */
-			CancelIo(stdinh);
+			/* Wait for the thread to start */
+			while (c == 0xff) {
+				Sleep(10);			/* We just hope 1 msec is enough for the thread to start */
+			}
+			Sleep(10);			/* Give it time to read */
+			CancelIo(stdinh);	/* May not work since ReadFile() is on a different thread ? */
 			getch_thread->del(getch_thread);
 			return c;
 		}
+#else	/* ! NEVER */
+		/* This approach is very flakey from the console, but seems */
+		/* to work reliably when operated progromatically. */
+		HANDLE stdinh;
+		char buf[10] = { 0 }, c;
+		DWORD bread;
+
+		if ((stdinh = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE) {
+			return 0;
+		}
+//		printf("Waiting\n");
+		if (WaitForSingleObject(stdinh, 1) == WAIT_OBJECT_0) {
+//			printf("stdin signalled\n");
+			
+//			FlushFileBuffers(stdinh);
+//			FlushConsoleInputBuffer(stdinh);
+			if (ReadFile(stdinh, buf, 1, &bread, NULL)) {
+				int i;
+//				fprintf(stderr,"Read %d chars 0x%x 0x%x 0x%x\n",bread,buf[0],buf[1], buf[2]);
+				if (buf[0] != '\r' && buf[0] != '\n')
+					return buf[0];
+				return 0;
+			}
+		}
+#endif	/* !NEVER */
 		return 0;
 	}
 
@@ -192,10 +230,23 @@ int poll_con_char(void) {
 }
 
 /* Suck all characters from the keyboard */
-/* (If not_interactive, does nothing) */
+/* (If not_interactive, does nothing ?) */
 void empty_con_chars(void) {
 
 	if (not_interactive) {
+		HANDLE stdinh;
+		char buf[100] = { 0 }, c;
+		DWORD bread;
+
+		if ((stdinh = GetStdHandle(STD_INPUT_HANDLE)) == INVALID_HANDLE_VALUE)
+			return;
+		for (;;) {
+			if (WaitForSingleObject(stdinh, 1) == WAIT_OBJECT_0) {
+				ReadFile(stdinh, buf, 100, &bread, NULL);
+			} else {
+				break;
+			}
+		}
 		return;
 	}
 
@@ -211,51 +262,6 @@ void sleep(unsigned int secs) {
 	Sleep(secs * 1000);
 }
 
-/* Sleep for the given number of msec */
-void msec_sleep(unsigned int msec) {
-	Sleep(msec);
-}
-
-/* Return the current time in msec since */
-/* the first invokation of msec_time() */
-/* (Is this based on timeGetTime() ? ) */
-unsigned int msec_time() {
-	unsigned int rv;
-	static unsigned int startup = 0;
-
-	rv =  GetTickCount();
-	if (startup == 0)
-		startup = rv;
-
-	return rv - startup;
-}
-
-/* Return the current time in usec */
-/* since the first invokation of usec_time() */
-/* Return -1.0 if not available */
-double usec_time() {
-	double rv;
-	LARGE_INTEGER val;
-	static double scale = 0.0;
-	static LARGE_INTEGER startup;
-
-	if (scale == 0.0) {
-		if (QueryPerformanceFrequency(&val) == 0)
-			return -1.0;
-		scale = 1000000.0/val.QuadPart;
-		QueryPerformanceCounter(&val);
-		startup.QuadPart = val.QuadPart;
-
-	} else {
-		QueryPerformanceCounter(&val);
-	}
-	val.QuadPart -= startup.QuadPart;
-
-	rv = val.QuadPart * scale;
-		
-	return rv;
-}
-
 static athread *beep_thread = NULL;
 static int beep_delay;
 static int beep_freq;
@@ -552,126 +558,6 @@ void empty_con_chars(void) {
 	tcflush(STDIN_FILENO, TCIFLUSH);
 }
 
-/* Sleep for the given number of msec */
-/* (Note that OS X 10.9+ App Nap can wreck this, unless */
-/*  it is turned off.) */
-void msec_sleep(unsigned int msec) {
-#ifdef NEVER
-	if (msec > 1000) {
-		unsigned int secs;
-		secs = msec / 1000;
-		msec = msec % 1000;
-		sleep(secs);
-	}
-	usleep(msec * 1000);
-#else
-	struct timespec ts;
-
-	ts.tv_sec = msec / 1000;
-	ts.tv_nsec = (msec % 1000) * 1000000;
-	nanosleep(&ts, NULL);
-#endif
-}
-
-
-#if defined(__APPLE__) && !defined(CLOCK_MONOTONIC)
-
-#include <mach/mach_time.h>
-
-unsigned int msec_time() {
-    mach_timebase_info_data_t timebase;
-    static uint64_t startup = 0;
-    uint64_t time;
-	double msec;
-
-    time = mach_absolute_time();
-	if (startup == 0)
-		startup = time;
-
-    mach_timebase_info(&timebase);
-	time -= startup;
-    msec = ((double)time * (double)timebase.numer)/((double)timebase.denom * 1e6);
-
-    return (unsigned int)floor(msec + 0.5);
-}
-
-/* Return the current time in usec */
-/* since the first invokation of usec_time() */
-double usec_time() {
-    mach_timebase_info_data_t timebase;
-    static uint64_t startup = 0;
-    uint64_t time;
-	double usec;
-
-    time = mach_absolute_time();
-	if (startup == 0)
-		startup = time;
-
-    mach_timebase_info(&timebase);
-	time -= startup;
-    usec = ((double)time * (double)timebase.numer)/((double)timebase.denom * 1e3);
-
-    return usec;
-}
-
-#else
-
-/* Return the current time in msec */
-/* since the first invokation of msec_time() */
-unsigned int msec_time() {
-	unsigned int rv;
-	static struct timespec startup = { 0, 0 };
-	struct timespec cv;
-
-	clock_gettime(CLOCK_MONOTONIC, &cv);
-
-	/* Set time to 0 on first invocation */
-	if (startup.tv_sec == 0 && startup.tv_nsec == 0)
-		startup = cv;
-
-	/* Subtract, taking care of carry */
-	cv.tv_sec -= startup.tv_sec;
-	if (startup.tv_nsec > cv.tv_nsec) {
-		cv.tv_sec--;
-		cv.tv_nsec += 1000000000;
-	}
-	cv.tv_nsec -= startup.tv_nsec;
-
-	/* Convert nsec to msec */
-	rv = cv.tv_sec * 1000 + cv.tv_nsec / 1000000;
-
-	return rv;
-}
-
-/* Return the current time in usec */
-/* since the first invokation of usec_time() */
-double usec_time() {
-	double rv;
-	static struct timespec startup = { 0, 0 };
-	struct timespec cv;
-
-	clock_gettime(CLOCK_MONOTONIC, &cv);
-
-	/* Set time to 0 on first invocation */
-	if (startup.tv_sec == 0 && startup.tv_nsec == 0)
-		startup = cv;
-
-	/* Subtract, taking care of carry */
-	cv.tv_sec -= startup.tv_sec;
-	if (startup.tv_nsec > cv.tv_nsec) {
-		cv.tv_sec--;
-		cv.tv_nsec += 1000000000;
-	}
-	cv.tv_nsec -= startup.tv_nsec;
-
-	/* Convert to usec */
-	rv = cv.tv_sec * 1000000.0 + cv.tv_nsec/1000;
-
-	return rv;
-}
-
-#endif
-
 /* - - - - - - - - - - - - - - - - - - - - - - - - */
 
 int acond_timedwait_imp(pthread_cond_t *cond, pthread_mutex_t *lock, int msec) {
@@ -699,7 +585,7 @@ int acond_timedwait_imp(pthread_cond_t *cond, pthread_mutex_t *lock, int msec) {
 
 /* Set the current threads priority */
 int set_interactive_priority() {
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 #ifdef NEVER
     int rv = 0;
     struct task_category_policy tcatpolicy;
@@ -725,7 +611,7 @@ int set_interactive_priority() {
 //		a1logd(g_log, 8, "set_interactive_priority: set to important got %d\n",rv);
 	return rv;
 #endif /* NEVER */
-#else /* !APPLE */
+#else /* !UNIX_APPLE */
 	int rv;
 	struct sched_param param;
 	param.sched_priority = 32;
@@ -734,11 +620,11 @@ int set_interactive_priority() {
 	rv = pthread_setschedparam(pthread_self(), SCHED_FIFO, &param);
 //		a1logd(g_log, 8, "set_interactive_priority: set got %d\n",rv);
 	return rv;
-#endif /* !APPLE */
+#endif /* !UNIX_APPLE */
 }
 
 int set_normal_priority() {
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 #ifdef NEVER
     int rv = 0;
     struct task_category_policy tcatpolicy;
@@ -763,7 +649,7 @@ int set_normal_priority() {
 //		a1logd(g_log, 8, "set_normal_priority: set to standard got %d\n",rv);
 	return rv;
 #endif /* NEVER */
-#else /* !APPLE */
+#else /* !UNIX_APPLE */
 	struct sched_param param;
 	param.sched_priority = 0;
 	int rv;
@@ -771,7 +657,7 @@ int set_normal_priority() {
 	rv = pthread_setschedparam(pthread_self(), SCHED_OTHER, &param);
 //		a1logd(g_log, 8, "set_normal_priority: reset got %d\n",rv);
 	return rv;
-#endif /* !APPLE */
+#endif /* !UNIX_APPLE */
 }
 
 #endif /* NEVER */
@@ -786,7 +672,7 @@ static int beep_msec;
 static int delayed_beep(void *pp) {
 	msec_sleep(beep_delay);
 	a1logd(g_log,8, "msec_beep activate\n");
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
 	AudioServicesPlayAlertSound(kUserPreferredAlert);
 # else
@@ -812,7 +698,7 @@ void msec_beep(int delay, int freq, int msec) {
 			a1logw(g_log, "msec_beep: Delayed beep failed to create thread\n");
 	} else {
 		a1logd(g_log,8, "msec_beep activate\n");
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
 			AudioServicesPlayAlertSound(kUserPreferredAlert);
 # else
@@ -980,7 +866,7 @@ int create_parent_directories(char *path) {
 #endif /* defined(UNIX) */
 
 /* - - - - - - - - - - - - - - - - - - - - - - - - */
-#if defined(__APPLE__) || defined(NT)
+#if defined(UNIX_APPLE) || defined(NT)
 
 /* Thread to monitor and kill the named processes */
 static int th_kkill_nprocess(void *pp) {
@@ -1109,7 +995,7 @@ int kill_nprocess(char **pname, a1log *log) {
 
 #endif /* NT */
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 
 /* Kill a list of named process. */
 /* Kill the first process found, then return */
@@ -1188,411 +1074,8 @@ int kill_nprocess(char **pname, a1log *log) {
 	return rv;
 }
 
-#endif /* __APPLE__ */
-
-#endif /* __APPLE__ || NT */
-
-/* ============================================================= */
-
-/* A very small subset of icclib, copied to here. */
-/* This is just enough to support the standalone instruments */
-#ifdef SALONEINSTLIB
-
-sa_XYZNumber sa_D50 = {
-    0.9642, 1.0000, 0.8249
-};
-
-sa_XYZNumber sa_D65 = {
-    0.9505, 1.0000, 1.0890
-};
-
-void sa_SetUnity3x3(double mat[3][3]) {
-	int i, j;
-	for (j = 0; j < 3; j++) {
-		for (i = 0; i < 3; i++) {
-			if (i == j)
-				mat[j][i] = 1.0;
-			else
-				mat[j][i] = 0.0;
-		}
-	}
-	
-}
-
-void sa_Cpy3x3(double dst[3][3], double src[3][3]) {
-	int i, j;
-
-	for (j = 0; j < 3; j++) {
-		for (i = 0; i < 3; i++)
-			dst[j][i] = src[j][i];
-	}
-}
-
-void sa_MulBy3x3(double out[3], double mat[3][3], double in[3]) {
-	double tt[3];
-
-	tt[0] = mat[0][0] * in[0] + mat[0][1] * in[1] + mat[0][2] * in[2];
-	tt[1] = mat[1][0] * in[0] + mat[1][1] * in[1] + mat[1][2] * in[2];
-	tt[2] = mat[2][0] * in[0] + mat[2][1] * in[1] + mat[2][2] * in[2];
+#endif /* UNIX_APPLE */
 
-	out[0] = tt[0];
-	out[1] = tt[1];
-	out[2] = tt[2];
-}
-
-void sa_Mul3x3_2(double dst[3][3], double src1[3][3], double src2[3][3]) {
-	int i, j, k;
-	double td[3][3];		/* Temporary dest */
-
-	for (j = 0; j < 3; j++) {
-		for (i = 0; i < 3; i++) {
-			double tt = 0.0;
-			for (k = 0; k < 3; k++)
-				tt += src1[j][k] * src2[k][i];
-			td[j][i] = tt;
-		}
-	}
-
-	/* Copy result out */
-	for (j = 0; j < 3; j++)
-		for (i = 0; i < 3; i++)
-			dst[j][i] = td[j][i];
-}
-
-
-/* Matrix Inversion by Richard Carling from "Graphics Gems", Academic Press, 1990 */
-#define det2x2(a, b, c, d) (a * d - b * c)
-
-static void adjoint(
-double out[3][3],
-double in[3][3]
-) {
-    double a1, a2, a3, b1, b2, b3, c1, c2, c3;
-
-    /* assign to individual variable names to aid  */
-    /* selecting correct values  */
-
-	a1 = in[0][0]; b1 = in[0][1]; c1 = in[0][2];
-	a2 = in[1][0]; b2 = in[1][1]; c2 = in[1][2];
-	a3 = in[2][0]; b3 = in[2][1]; c3 = in[2][2];
-
-    /* row column labeling reversed since we transpose rows & columns */
-
-    out[0][0]  =   det2x2(b2, b3, c2, c3);
-    out[1][0]  = - det2x2(a2, a3, c2, c3);
-    out[2][0]  =   det2x2(a2, a3, b2, b3);
-        
-    out[0][1]  = - det2x2(b1, b3, c1, c3);
-    out[1][1]  =   det2x2(a1, a3, c1, c3);
-    out[2][1]  = - det2x2(a1, a3, b1, b3);
-        
-    out[0][2]  =   det2x2(b1, b2, c1, c2);
-    out[1][2]  = - det2x2(a1, a2, c1, c2);
-    out[2][2]  =   det2x2(a1, a2, b1, b2);
-}
-
-static double sa_Det3x3(double in[3][3]) {
-    double a1, a2, a3, b1, b2, b3, c1, c2, c3;
-    double ans;
-
-	a1 = in[0][0]; b1 = in[0][1]; c1 = in[0][2];
-	a2 = in[1][0]; b2 = in[1][1]; c2 = in[1][2];
-	a3 = in[2][0]; b3 = in[2][1]; c3 = in[2][2];
-
-    ans = a1 * det2x2(b2, b3, c2, c3)
-        - b1 * det2x2(a2, a3, c2, c3)
-        + c1 * det2x2(a2, a3, b2, b3);
-    return ans;
-}
-
-#define SA__SMALL_NUMBER	1.e-8
-
-int sa_Inverse3x3(double out[3][3], double in[3][3]) {
-    int i, j;
-    double det;
-
-    /*  calculate the 3x3 determinant
-     *  if the determinant is zero, 
-     *  then the inverse matrix is not unique.
-     */
-    det = sa_Det3x3(in);
-
-    if ( fabs(det) < SA__SMALL_NUMBER)
-        return 1;
-
-    /* calculate the adjoint matrix */
-    adjoint(out, in);
-
-    /* scale the adjoint matrix to get the inverse */
-    for (i = 0; i < 3; i++)
-        for(j = 0; j < 3; j++)
-		    out[i][j] /= det;
-	return 0;
-}
-
-#undef SA__SMALL_NUMBER	
-#undef det2x2
-
-/* - - - - - - - - - - - - - - - - - - - - - - - - */
-/* Transpose a 3x3 matrix */
-void sa_Transpose3x3(double out[3][3], double in[3][3]) {
-	int i, j;
-	if (out != in) {
-		for (i = 0; i < 3; i++)
-			for (j = 0; j < 3; j++)
-				out[i][j] = in[j][i];
-	} else {
-		double tt[3][3];
-		for (i = 0; i < 3; i++)
-			for (j = 0; j < 3; j++)
-				tt[i][j] = in[j][i];
-		for (i = 0; i < 3; i++)
-			for (j = 0; j < 3; j++)
-				out[i][j] = tt[i][j];
-	}
-}
-
-/* Scale a 3 vector by the given ratio */
-void sa_Scale3(double out[3], double in[3], double rat) {
-	out[0] = in[0] * rat;
-	out[1] = in[1] * rat;
-	out[2] = in[2] * rat;
-}
-
-/* Clamp a 3 vector to be +ve */
-void sa_Clamp3(double out[3], double in[3]) {
-	int i;
-	for (i = 0; i < 3; i++)
-		out[i] = in[i] < 0.0 ? 0.0 : in[i];
-}
-
-/* Return the normal Delta E given two Lab values */
-double sa_LabDE(double *Lab0, double *Lab1) {
-	double rv = 0.0, tt;
-
-	tt = Lab0[0] - Lab1[0];
-	rv += tt * tt;
-	tt = Lab0[1] - Lab1[1];
-	rv += tt * tt;
-	tt = Lab0[2] - Lab1[2];
-	rv += tt * tt;
-
-	return sqrt(rv);
-}
-
-/* CIE XYZ to perceptual CIE 1976 L*a*b* */
-void
-sa_XYZ2Lab(icmXYZNumber *w, double *out, double *in) {
-	double X = in[0], Y = in[1], Z = in[2];
-	double x,y,z,fx,fy,fz;
-
-	x = X/w->X;
-	y = Y/w->Y;
-	z = Z/w->Z;
-
-	if (x > 0.008856451586)
-		fx = pow(x,1.0/3.0);
-	else
-		fx = 7.787036979 * x + 16.0/116.0;
-
-	if (y > 0.008856451586)
-		fy = pow(y,1.0/3.0);
-	else
-		fy = 7.787036979 * y + 16.0/116.0;
-
-	if (z > 0.008856451586)
-		fz = pow(z,1.0/3.0);
-	else
-		fz = 7.787036979 * z + 16.0/116.0;
-
-	out[0] = 116.0 * fy - 16.0;
-	out[1] = 500.0 * (fx - fy);
-	out[2] = 200.0 * (fy - fz);
-}
-
-/* - - - - - - - - - - - - - - - - - - - - - - - - */
-/* A sub-set of ludecomp code from numlib          */
-
-int sa_lu_decomp(double **a, int n, int *pivx, double *rip) {
-	int    i, j;
-	double *rscale, RSCALE[10];		
-
-	if (n <= 10)
-		rscale = RSCALE;
-	else
-		rscale = dvector(0, n-1);
-
-	for (i = 0; i < n; i++) {
-		double big;
-		for (big = 0.0, j=0; j < n; j++) {
-			double temp;
-			temp = fabs(a[i][j]);
-			if (temp > big)
-				big = temp;
-		}
-		if (fabs(big) <= DBL_MIN) {
-			if (rscale != RSCALE)
-				free_dvector(rscale, 0, n-1);
-			return 1;		
-		}
-		rscale[i] = 1.0/big;	
-	}
-
-	for (*rip = 1.0, j = 0; j < n; j++) {
-		double big;
-		int k, bigi = 0;
-
-		for (i = 0; i < j; i++) {
-			double sum;
-			sum = a[i][j];
-			for (k = 0; k < i; k++)
-				sum -= a[i][k] * a[k][j];
-			a[i][j] = sum;
-		}
-
-		for (big = 0.0, i = j; i < n; i++) {
-			double sum, temp;
-			sum = a[i][j];
-			for (k = 0; k < j; k++)
-				sum -= a[i][k] * a[k][j];
-			a[i][j] = sum;
-			temp = rscale[i] * fabs(sum);	
-			if (temp >= big) {
-				big = temp;		
-				bigi = i;		
-			}
-		}
-		
-		if (j != bigi) {
-			{	
-				double *temp;
-				temp = a[bigi];
-				a[bigi] = a[j];
-				a[j] = temp;
-			}
-			*rip = -(*rip);				
-			rscale[bigi] = rscale[j];	
-		}
-		
-		pivx[j] = bigi;					
-		if (fabs(a[j][j]) <= DBL_MIN) {
-			if (rscale != RSCALE)
-				free_dvector(rscale, 0, n-1);
-			return 1; 					
-		}
-
-		if (j != (n-1)) {
-			double temp;
-			temp = 1.0/a[j][j];
-			for (i = j+1; i < n; i++)
-				a[i][j] *= temp;
-		}
-	}
-	if (rscale != RSCALE)
-		free_dvector(rscale, 0, n-1);
-	return 0;
-}
-
-void sa_lu_backsub(double **a, int n, int *pivx, double  *b) {
-	int i, j;
-	int nvi;		
-	
-	for (nvi = -1, i = 0; i < n; i++) {
-		int px;
-		double sum;
-
-		px = pivx[i];
-		sum = b[px];
-		b[px] = b[i];
-		if (nvi >= 0) {
-			for (j = nvi; j < i; j++)
-				sum -= a[i][j] * b[j];
-		} else {
-			if (sum != 0.0)
-				nvi = i;			
-		}
-		b[i] = sum;
-	}
-
-	for (i = (n-1); i >= 0; i--) {
-		double sum;
-		sum = b[i];
-		for (j = i+1; j < n; j++)
-			sum -= a[i][j] * b[j];
-		b[i] = sum/a[i][i];
-	}
-}
-
-int sa_lu_invert(double **a, int n) {
-	int i, j;
-	double rip;		
-	int *pivx, PIVX[10];
-	double **y;
-
-	if (n <= 10)
-		pivx = PIVX;
-	else
-		pivx = ivector(0, n-1);
-
-	if (sa_lu_decomp(a, n, pivx, &rip)) {
-		if (pivx != PIVX)
-			free_ivector(pivx, 0, n-1);
-		return 1;
-	}
-
-	y = dmatrix(0, n-1, 0, n-1);
-	for (i = 0; i < n; i++) {
-		for (j = 0; j < n; j++) {
-			y[i][j] = a[i][j];
-		}
-	}
-
-	for (i = 0; i < n; i++) {
-		for (j = 0; j < n; j++)
-			a[i][j] = 0.0;
-		a[i][i] = 1.0;
-		sa_lu_backsub(y, n, pivx, a[i]);
-	}
-
-	free_dmatrix(y, 0, n-1, 0, n-1);
-	if (pivx != PIVX)
-		free_ivector(pivx, 0, n-1);
-
-	return 0;
-}
-
-int sa_lu_psinvert(double **out, double **in, int m, int n) {
-	int rv = 0;
-	double **tr;		
-	double **sq;		
-
-	tr = dmatrix(0, n-1, 0, m-1);
-	matrix_trans(tr, in, m,  n);
-
-	if (m > n) {
-		sq = dmatrix(0, n-1, 0, n-1);
-		if ((rv = matrix_mult(sq, n, n, tr, n, m, in, m, n)) == 0) {
-			if ((rv = sa_lu_invert(sq, n)) == 0) {
-				rv = matrix_mult(out, n, m, sq, n, n, tr, n, m);
-			}
-		}
-		free_dmatrix(sq, 0, n-1, 0, n-1);
-	} else {
-		sq = dmatrix(0, m-1, 0, m-1);
-		if ((rv = matrix_mult(sq, m, m, in, m, n, tr, n, m)) == 0) {
-			if ((rv = sa_lu_invert(sq, m)) == 0) {
-				rv = matrix_mult(out, n, m, tr, n, m, sq, m, m);
-			}
-		}
-		free_dmatrix(sq, 0, m-1, 0, m-1);
-	}
-
-	free_dmatrix(tr, 0, n-1, 0, m-1);
-	return rv;
-}
-
-
-#endif /* SALONEINSTLIB */
-/* ============================================================= */
+#endif /* UNIX_APPLE || NT */
 
 
diff --git a/spectro/conv.h b/spectro/conv.h
index 4e14dd9..a6adcbf 100644
--- a/spectro/conv.h
+++ b/spectro/conv.h
@@ -32,7 +32,7 @@
 # include <io.h>
 #endif
 
-#if defined (UNIX) || defined(__APPLE__)
+#if defined(UNIX)
 # include <unistd.h>
 # include <glob.h>
 # include <pthread.h>
@@ -57,19 +57,8 @@ int poll_con_char(void);
 /* (If not_interactive, does nothing) */
 void empty_con_chars(void);
 
-/* Sleep for the given number of msec */
-void msec_sleep(unsigned int msec);
-
-/* Return the current time in msec since */
-/* the first invokation of msec_time() */
-unsigned int msec_time();
-
-/* Return the current time in usec */
-/* the first invokation of usec_time() */
-double usec_time();
-
 /* Activate the system beeper after a delay */
-/* (Note frequancy and duration may not be honoured on all systems) */
+/* (Note frequency and duration may not be honoured on all systems) */
 void msec_beep(int delay, int freq, int msec);
 
 void normal_beep(); /* Emit a "normal" beep */
@@ -149,7 +138,7 @@ struct _athread {
 #if defined (NT)
 	HANDLE th;				/* Thread */
 #endif
-#if defined (UNIX) || defined(__APPLE__)
+#if defined(UNIX)
 	pthread_t thid;			/* Thread ID */
 #endif
 	int finished;			/* Set when the thread returned */
@@ -197,7 +186,7 @@ struct _kkill_nproc_ctx {
     void (*del)(struct _kkill_nproc_ctx *p);
 }; typedef struct _kkill_nproc_ctx kkill_nproc_ctx;
 
-#if defined(__APPLE__) || defined(NT)
+#if defined(UNIX_APPLE) || defined(NT)
 
 /* Kill a list of named processes. NULL for last */
 /* return < 0 if this fails. */
@@ -209,65 +198,10 @@ int kill_nprocess(char **pname, a1log *log);
 /* Call ctx->del() when done */
 kkill_nproc_ctx *kkill_nprocess(char **pname, a1log *log);
 
-#endif /* __APPLE__ || NT */
+#endif /* UNIX_APPLE || NT */
 
 #include "xdg_bds.h"
 
-/* - - - - - - - - - - - - - - - - - - -- */
-/* A very small subset of icclib */
-#ifdef SALONEINSTLIB
-
-typedef struct {
-    double  X;
-    double  Y;
-    double  Z;
-} sa_XYZNumber;
-
-typedef enum {
-    sa_SigXYZData                        = 0x58595A20L,  /* 'XYZ ' */
-    sa_SigLabData                        = 0x4C616220L   /* 'Lab ' */
-} sa_ColorSpaceSignature;
-
-extern sa_XYZNumber sa_D50;
-extern sa_XYZNumber sa_D65;
-void sa_SetUnity3x3(double mat[3][3]);
-void sa_Cpy3x3(double out[3][3], double mat[3][3]);
-void sa_MulBy3x3(double out[3], double mat[3][3], double in[3]);
-void sa_Mul3x3_2(double dst[3][3], double src1[3][3], double src2[3][3]);
-int sa_Inverse3x3(double out[3][3], double in[3][3]);
-void sa_Transpose3x3(double out[3][3], double in[3][3]);
-void sa_Scale3(double out[3], double in[3], double rat);
-double sa_LabDE(double *in0, double *in1);
-
-
-#define icmXYZNumber sa_XYZNumber
-#define icColorSpaceSignature sa_ColorSpaceSignature
-#define icSigXYZData sa_SigXYZData
-#define icSigLabData sa_SigLabData
-#define icmD50 sa_D50
-#define icmD65 sa_D65
-#define icmSetUnity3x3 sa_SetUnity3x3
-#define icmCpy3x3 sa_Cpy3x3
-#define icmMulBy3x3 sa_MulBy3x3
-#define icmMul3x3_2 sa_Mul3x3_2
-#define icmInverse3x3 sa_Inverse3x3
-#define icmTranspose3x3 sa_Transpose3x3
-#define icmScale3 sa_Scale3
-#define icmClamp3 sa_Clamp3
-#define icmLabDE sa_LabDE
-#define icmXYZ2Lab sa_XYZ2Lab
-
-/* A subset of numlib */
-
-int sa_lu_psinvert(double **out, double **in, int m, int n);
-
-#define lu_psinvert sa_lu_psinvert
-
-#endif /* SALONEINSTLIB */
-
-/* - - - - - - - - - - - - - - - - - - -- */
-
-
 #ifdef __cplusplus
 	}
 #endif
diff --git a/spectro/cubecal.h b/spectro/cubecal.h
index 60f7380..93f1ada 100644
--- a/spectro/cubecal.h
+++ b/spectro/cubecal.h
@@ -1,6 +1,7 @@
 
 /*
  * Calibration Table for SwatchMate Cube
+ * This is #included in smcube.c
  *
  * Copyright 2015 Graeme W. Gill
  * All rights reserved
diff --git a/spectro/dev.h b/spectro/dev.h
new file mode 100644
index 0000000..0b62de3
--- /dev/null
+++ b/spectro/dev.h
@@ -0,0 +1,41 @@
+
+#ifndef DEV_H
+
+/*
+ * Abstract base class for all devices handled here.
+ */
+
+/* 
+ * Argyll Color Correction System
+ *
+ * Author: Graeme W. Gill
+ * Date:   17/8/2016
+ *
+ * Copyright 2016 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ *
+ */
+
+#include "icoms.h"			/* libinst Includes this functionality */
+#include "conv.h"
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+/* Device base object. */
+#define DEV_OBJ_BASE															\
+	a1log *log;			/* Pointer to debug & error logging class */			\
+	icoms *icom;		/* Device coms object */								\
+	instType  itype;	/* Device type determined by driver */					\
+
+/* The base object type */
+struct _dev {
+	DEV_OBJ_BASE
+	}; typedef struct _dev dev;
+
+#define DEV_H
+#endif /* DEV_H */
diff --git a/spectro/dispcal.c b/spectro/dispcal.c
index 97337cd..65e2f10 100644
--- a/spectro/dispcal.c
+++ b/spectro/dispcal.c
@@ -62,8 +62,13 @@
 	Change white point gamut clipping to be a measurement
 	search rather than computing from primary XYZ ?
 
-	Add bell at end of calibration ?
+	Handling of white and black device clipping is not so good.
+	White clipping isn't characterized very well due to sparse sampling,
+	and moncurve tends to smooth over the clip inflection point,
+	making it innacurate. This particularly hurts the black point
+	accuracy, leading to raised or crushed blacks.
 
+	Add bell at end of calibration ?
 
 	Add option to plot graph of native and calibrated RGB ?
 
@@ -1012,7 +1017,7 @@ static void init_csamp(csamp *p, calx *x, int doupdate, int verify, int psrand,
 	
 	p->_no = p->no = no;
 
-	if ((p->s = (csp *)malloc(p->_no * sizeof(csp))) == NULL)
+	if ((p->s = (csp *)calloc(p->_no, sizeof(csp))) == NULL)
 		error("csamp malloc failed");
 
 	/* Compute v and txyz */
@@ -1715,7 +1720,7 @@ int main(int argc, char *argv[]) {
 	set_exe_path(argv[0]);				/* Set global exe_path and error_program */
 	check_if_not_interactive();
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 	{
 		SInt32 MacMajVers, MacMinVers, MacBFVers;
 
@@ -1939,7 +1944,7 @@ int main(int argc, char *argv[]) {
 				fa = nfa;
 				if (na == NULL) usage(0,"Paramater expected following -W");
 				if (na[0] == 'n' || na[0] == 'N')
-					fc = fc_none;
+					fc = fc_None;
 				else if (na[0] == 'h' || na[0] == 'H')
 					fc = fc_Hardware;
 				else if (na[0] == 'x' || na[0] == 'X')
@@ -2572,7 +2577,7 @@ int main(int argc, char *argv[]) {
 #ifdef	MEAS_RES
 		if (doreport == 1) {
 			if (sigbits == 0) {
-				warning("Unable to determine Video LUT entry bit depth");
+				warning("Unable to determine effective Video LUT entry bit depth");
 			} else {
 				printf("Effective Video LUT entry depth seems to be %d bits\n",sigbits);
 			}
@@ -3701,8 +3706,9 @@ int main(int argc, char *argv[]) {
 				else
 					printf("  Current Brightness = %.2f\n", tcols[2].XYZ[1]);
 				
-				printf("  Target 50%% Level  = %.3f, Current = %.3f, error = % .1f%%\n",
+				printf("  Target 50%% Level  = %.3f, Current = %.3f (Aprox. Gamma %.2f), error = % .1f%%\n",
 				       tarh, tcols[1].XYZ[1], 
+				       mgamma,
 				       100.0 * (tcols[1].XYZ[1] - tarh)/tarw);
 				
 				printf("  Target Near Black = %.4f, Current = %.4f, error = % .1f%%\n",
@@ -4354,7 +4360,7 @@ int main(int argc, char *argv[]) {
 					0.2,					/* Background relative to reference white */
 					80.0,					/* Display is 80 cd/m^2 */
 			        0.0, 0.01, x.nwh,		/* 0% flare and 1% glare same white point */
-					0);
+					0, 1.0);
 				break;
 
 			case gt_Rec709:
@@ -4365,7 +4371,7 @@ int main(int argc, char *argv[]) {
 					0.2,					/* Background relative to reference white */
 					1000.0/3.1415,			/* Luminance of white in the Image field (cd/m^2) */
 			        0.0, 0.01, x.nwh,		/* 0% flare and 1% glare same white point */
-					0);
+					0, 1.0);
 				break;
 
 			default:
@@ -4378,7 +4384,7 @@ int main(int argc, char *argv[]) {
 			0.2,				/* Background relative to reference white */
 			x.twh[1],			/* Target white level (cd/m^2) */
 	        0.0, 0.01, x.nwh,	/* 0% flare and 1% glare same white point */
-			0);
+			0, 1.0);
 
 		/* Compute the normalisation values */
 		x.svc->XYZ_to_cam(x.svc, Jab, x.nwh);		/* Relative white point */
@@ -4532,7 +4538,10 @@ int main(int argc, char *argv[]) {
 	}
 #endif
 
-	dr->reset_targ_w(dr);			/* Reset white drift target at start of main cal. */
+	/* If native white and white drift compensation enabled, */
+	/* reset white drift target at start of main cal. */
+	if (x.nat && asgrey.s[0].v == 1.0 && wdrift)
+		dr->reset_targ_w(dr);
 
 	/* Now we go into the main verify & refine loop */
 	for (it = (verify == 2) ? mxits : 0;
@@ -5485,6 +5494,29 @@ int main(int argc, char *argv[]) {
 		if ((wr_icco = new_icc()) == NULL)
 			error("Write: Creation of ICC object failed");
 
+		/* Set the header: */
+		{
+			icmHeader *wh = wr_icco->header;
+
+			/* Values that must be set before writing */
+			wh->deviceClass     = icSigDisplayClass;
+			wh->colorSpace      = icSigRgbData;				/* Display is RGB */
+			wh->pcs         = icSigXYZData;					/* XYZ for matrix based profile */
+			wh->renderingIntent = icRelativeColorimetric;	/* For want of something */
+
+			wh->manufacturer = icmSigUnknownType;
+	    	wh->model        = icmSigUnknownType;
+#ifdef NT
+			wh->platform = icSigMicrosoft;
+#endif
+#ifdef UNIX_APPLE
+			wh->platform = icSigMacintosh;
+#endif
+#if defined(UNIX_X11)
+			wh->platform = icmSig_nix;
+#endif
+		}
+
 		/* Lookup white and black points */
 		{
 			int j;
@@ -5561,9 +5593,9 @@ int main(int argc, char *argv[]) {
 					printf("RGB 1 through matrix = XYZ %f %f %f, Lab %f %f %f\n", xyz[0], xyz[1], xyz[2], lab[0], lab[1], lab[2]);
 				}
 #endif
-				/* Adapt matrix */
+				/* Chromatic Adaptation matrix */
 				icmAry2XYZ(swp, wp);
-				wr_icco->chromAdaptMatrix(wr_icco, ICM_CAM_MULMATRIX, icmD50, swp, mat);
+				wr_icco->chromAdaptMatrix(wr_icco, ICM_CAM_MULMATRIX, NULL, mat, icmD50, swp);
 #ifdef NEVER
 				{
 					double rgb[3], xyz[3], lab[3];
@@ -5603,9 +5635,9 @@ int main(int argc, char *argv[]) {
 					printf("RGB cal through matrix = XYZ %f %f %f, Lab %f %f %f\n", xyz[0], xyz[1], xyz[2], lab[0], lab[1], lab[2]);
 				}
 #endif
-				/* Adapt matrix */
+				/* Chromatic Adaptation matrix */
 				icmAry2XYZ(swp, wp);
-				wr_icco->chromAdaptMatrix(wr_icco, ICM_CAM_MULMATRIX, icmD50, swp, mat);
+				wr_icco->chromAdaptMatrix(wr_icco, ICM_CAM_MULMATRIX, NULL, mat, icmD50, swp);
 #ifdef NEVER
 				{
 					double rgb[3], xyz[3], lab[3];
@@ -5619,30 +5651,7 @@ int main(int argc, char *argv[]) {
 			}
 		}
 		
-		/* Add all the tags required */
-
-		/* The header: */
-		{
-			icmHeader *wh = wr_icco->header;
-
-			/* Values that must be set before writing */
-			wh->deviceClass     = icSigDisplayClass;
-			wh->colorSpace      = icSigRgbData;				/* Display is RGB */
-			wh->pcs         = icSigXYZData;					/* XYZ for matrix based profile */
-			wh->renderingIntent = icRelativeColorimetric;	/* For want of something */
-
-			wh->manufacturer = icmSigUnknownType;
-	    	wh->model        = icmSigUnknownType;
-#ifdef NT
-			wh->platform = icSigMicrosoft;
-#endif
-#ifdef __APPLE__
-			wh->platform = icSigMacintosh;
-#endif
-#if defined(UNIX_X11)
-			wh->platform = icmSig_nix;
-#endif
-		}
+		/* Add all the other tags required */
 
 		/* Profile Description Tag: */
 		{
@@ -5715,6 +5724,7 @@ int main(int argc, char *argv[]) {
 			           wr_icco, icSigLuminanceTag, icSigXYZArrayType)) == NULL) 
 				error("add_tag failed: %d, %s",wr_icco->errc,wr_icco->err);
 
+			/* (Only Y is used according to the ICC spec.) */
 			wo->size = 1;
 			wo->allocate((icmBase *)wo);	/* Allocate space */
 			wo->data[0].X = 0.0;
diff --git a/spectro/dispread.c b/spectro/dispread.c
index 8a78fcc..4c96b76 100644
--- a/spectro/dispread.c
+++ b/spectro/dispread.c
@@ -271,7 +271,7 @@ int main(int argc, char *argv[]) {
 										/* 0X = use current color management cLut (MadVR) */
 										/* 1X = disable color management cLUT (MadVR) */
 	double cal[3][MAX_CAL_ENT];			/* Display calibration */
-	int ncal = 256;						/* number of cal entries used */
+	int ncal = 256;						/* Default number of cal entries used */
 	cgats *icg;							/* input cgats structure */
 	cgats *ocg;							/* output cgats structure */
 	time_t clk = time(0);
@@ -572,7 +572,7 @@ int main(int argc, char *argv[]) {
 				fa = nfa;
 				if (na == NULL) usage(0,"Parameter expected after -W");
 				if (na[0] == 'n' || na[0] == 'N')
-					fc = fc_none;
+					fc = fc_None;
 				else if (na[0] == 'h' || na[0] == 'H')
 					fc = fc_Hardware;
 				else if (na[0] == 'x' || na[0] == 'X')
@@ -855,8 +855,9 @@ int main(int argc, char *argv[]) {
 		if ((ncal = ccg->t[0].nsets) <= 0)
 			error ("No data in set of file '%s'",calname);
 	
-		if (ncal != 256)
-			error ("Expect 256 data sets in file '%s'",calname);
+		if (ncal < 2 || ncal > MAX_CAL_ENT)
+			error("Data set size %d is out of range for '%s'",ncal,calname);
+
 		if (ncal > MAX_CAL_ENT)
 			error ("Cant handle %d data sets in file '%s', max is %d",ncal,calname,MAX_CAL_ENT);
 	
diff --git a/spectro/dispsup.c b/spectro/dispsup.c
index 57a598e..281912d 100644
--- a/spectro/dispsup.c
+++ b/spectro/dispsup.c
@@ -281,18 +281,28 @@ a1log *log				/* Verb, debug & error log */
 	itype = p->get_itype(p);			/* Actual type */
 	p->capabilities(p, &cap, &cap2, &cap3);
 
-	if (tele && !IMODETST(cap, inst_mode_emis_tele)) {
+	if (tele && p->check_mode(p, inst_mode_emis_tele) != inst_ok) {
 		printf("Want telephoto measurement capability but instrument doesn't support it\n");
 		printf("so falling back to emissive spot mode.\n");
 		tele = 0;
 	}
 	
-	if (!tele && !IMODETST(cap, inst_mode_emis_spot)) {
+	if (!tele && p->check_mode(p, inst_mode_emis_spot) != inst_ok) {
 		printf("Want emissive spot measurement capability but instrument doesn't support it\n");
 		printf("so switching to telephoto spot mode.\n");
 		tele = 1;
 	}
 	
+	if (( tele && p->check_mode(p, inst_mode_emis_tele) != inst_ok)
+	 || (!tele && p->check_mode(p, inst_mode_emis_spot) != inst_ok)) {
+		printf("Need %s emissive measurement capability,\n", tele ? "telephoto" : "spot");
+		printf("but instrument doesn't support it\n");
+		a1logd(p->log,1,"Need %s emissive measurement capability but device doesn't support it,\n",
+		       tele ? "telephoto" : "spot");
+		p->del(p);
+		return -1;
+	}
+	
 	/* Set to emission mode to read a display */
 	if (tele)
 		mode = inst_mode_emis_tele;
@@ -434,6 +444,7 @@ static int disprd_read_imp(
 	ipatch val;		/* Return value */
 	int ch;			/* Character */
 	int cal_type;
+	inst_calc_id_type idtype;
 	char id[CALIDLEN];
 	inst2_capability cap2;
 
@@ -521,7 +532,7 @@ static int disprd_read_imp(
 			return 3;
 		}
 		/* Do calibrate, but ignore return code. Press on regardless. */
-		if ((rv = p->it->calibrate(p->it, &calt, &calc, id)) != inst_ok) {
+		if ((rv = p->it->calibrate(p->it, &calt, &calc, &idtype, id)) != inst_ok) {
 			a1logd(p->log,1,"warning, frequency calibrate failed with '%s' (%s)\n",
 				      p->it->inst_interp_error(p->it, rv), p->it->interp_error(p->it, rv));
 		}
@@ -538,7 +549,7 @@ static int disprd_read_imp(
 			return 3;
 		}
 		/* Do calibrate, but ignore return code. Press on regardless. */
-		if ((rv = p->it->calibrate(p->it, &calt, &calc, id)) != inst_ok) {
+		if ((rv = p->it->calibrate(p->it, &calt, &calc, &idtype, id)) != inst_ok) {
 			a1logd(p->log,1,"warning, display integration calibrate failed with '%s' (%s)\n",
 				      p->it->inst_interp_error(p->it, rv), p->it->interp_error(p->it, rv));
 		}
@@ -681,7 +692,8 @@ static int disprd_read_imp(
 						return 1;
 					}
 					printf("\n");
-					if (p->it->icom->port_type(p->it->icom) == icomt_serial) {
+					if ((p->it->icom->port_type(p->it->icom) & icomt_serial)
+					 && !(p->it->icom->port_attr(p->it->icom) & icomt_fastserial)) {
 						/* Allow retrying at a lower baud rate */
 						int tt = p->it->last_scomerr(p->it);
 						if (tt & (ICOM_BRK | ICOM_FER | ICOM_PER | ICOM_OER)) {
@@ -1198,7 +1210,7 @@ int disprd_ambient(
 		p->it->capabilities(p->it, &cap, &cap2, &cap3);
 	}
 	
-	if (!IMODETST(cap, inst_mode_emis_ambient)) {
+	if (p->it->check_mode(p->it, inst_mode_emis_ambient) != inst_ok) {
 		printf("Need ambient measurement capability,\n");
 		printf("but instrument doesn't support it\n");
 		return 8;
@@ -1297,7 +1309,7 @@ int disprd_ambient(
 				                                        setup_display_calibrate, &dwi, 0);
 				setup_display_calibrate(p->it,inst_calc_none, &dwi); 
 				if (rv != inst_ok) {	/* Abort or fatal error */
-					return 1;
+					return ((rv & inst_mask) == inst_user_abort) ? 1 : 2;
 				}
 				continue;
 
@@ -1336,7 +1348,8 @@ int disprd_ambient(
 					return 1;
 				}
 				printf("\n");
-				if (p->it->icom->port_type(p->it->icom) == icomt_serial) {
+				if ((p->it->icom->port_type(p->it->icom) & icomt_serial)
+				 && !(p->it->icom->port_attr(p->it->icom) & icomt_fastserial)) {
 					/* Allow retrying at a lower baud rate */
 					int tt = p->it->last_scomerr(p->it);
 					if (tt & (ICOM_BRK | ICOM_FER | ICOM_PER | ICOM_OER)) {
@@ -2146,21 +2159,21 @@ static int config_inst_displ(disprd *p) {
 	
 	p->it->capabilities(p->it, &cap, &cap2, &cap3);
 	
-	if (p->tele && !IMODETST(cap, inst_mode_emis_tele)) {
+	if (p->tele && p->it->check_mode(p->it, inst_mode_emis_tele) != inst_ok) {
 		printf("Want telephoto measurement capability but instrument doesn't support it\n");
 		printf("so falling back to spot mode.\n");
 		a1logd(p->log,1,"No telephoto mode so falling back to spot mode.\n");
 		p->tele = 0;
 	}
 	
-	if (!p->tele && !IMODETST(cap, inst_mode_emis_spot)) {
+	if (!p->tele && p->it->check_mode(p->it, inst_mode_emis_spot) != inst_ok) {
 		printf("Want emissive spot measurement capability but instrument doesn't support it\n");
 		printf("so switching to telephoto spot mode.\n");
 		p->tele = 1;
 	}
 	
-	if (( p->tele && !IMODETST(cap, inst_mode_emis_tele))
-	 || (!p->tele && !IMODETST(cap, inst_mode_emis_spot))) {
+	if (( p->tele && p->it->check_mode(p->it, inst_mode_emis_tele) != inst_ok)
+	 || (!p->tele && p->it->check_mode(p->it, inst_mode_emis_spot) != inst_ok)) {
 		printf("Need %s emissive measurement capability,\n", p->tele ? "telephoto" : "spot");
 		printf("but instrument doesn't support it\n");
 		a1logd(p->log,1,"Need %s emissive measurement capability but device doesn't support it,\n",
@@ -2685,7 +2698,7 @@ a1log *log      	/* Verb, debug & error log */
 				printf("Calibrate failed with '%s' (%s)\n",
 				       p->it->inst_interp_error(p->it, rv), p->it->interp_error(p->it, rv));
 				p->del(p);
-				if (errc != NULL) *errc = 2;
+				if (errc != NULL) *errc = ((rv & inst_mask) == inst_user_abort) ? 1 : 2;
 				return NULL;
 			}
 		}
diff --git a/spectro/dispsup.h b/spectro/dispsup.h
index bca3070..07a66e2 100644
--- a/spectro/dispsup.h
+++ b/spectro/dispsup.h
@@ -91,9 +91,6 @@ typedef struct {
 } col;
 
 
-/* Maximum number of entries to setup for calibration */
-#define MAX_CAL_ENT 4096
-
 /* Display reading context */
 struct _disprd {
 
diff --git a/spectro/disptechs.c b/spectro/disptechs.c
index 70e150f..bade777 100644
--- a/spectro/disptechs.c
+++ b/spectro/disptechs.c
@@ -22,14 +22,15 @@
 #include <ctype.h>
 #include <string.h>
 #include <time.h>
+#include "numsup.h"
 #ifndef SALONEINSTLIB
 #include "copyright.h"
 #include "aconfig.h"
 #include "icc.h"
 #else
 #include "sa_config.h"
+#include "sa_conv.h"
 #endif /* !SALONEINSTLIB */
-#include "numsup.h"
 #include "conv.h"
 #include "disptechs.h"
 
diff --git a/spectro/dispwin.c b/spectro/dispwin.c
index fffbaee..368f707 100644
--- a/spectro/dispwin.c
+++ b/spectro/dispwin.c
@@ -31,6 +31,10 @@
  * Should add dithering support to overcome 8 bit limitations of
  * non-RAMDAC access or limited RAMDAC depth. (How do we easily
  * determine the latter ??)
+ *
+ * For X11/XRANDR, should we check for and save/restore CscMatrix property ??
+ * - or should we assumed that the use intends to use this to manually calibrate the display ??
+ * See <http://us.download.nvidia.com/XFree86/Linux-x86/364.12/README/xrandrextension.html#CscMatrix>
  */
 
 #include <stdio.h>
@@ -69,7 +73,7 @@
 # endif
 #endif
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 
 /*
 	Note that the new ColorSync API is defined in
@@ -113,14 +117,14 @@ typedef float CGFloat;
 #endif
 #endif	/* !NSINTEGER_DEFINED */
 
-#include <IOKit/Graphics/IOGraphicsLib.h>
+#include <IOKit/graphics/IOGraphicsLib.h>
 
 #if __MAC_OS_X_VERSION_MAX_ALLOWED <= 1060
 /* This wasn't declared in 10.6, although it is needed */
 CFUUIDRef CGDisplayCreateUUIDFromDisplayID (uint32_t displayID);
 #endif	/* < 10.6 */
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #define VERIFY_TOL (1.0/255.0)
 #undef DISABLE_RANDR				/* Disable XRandR code */
@@ -388,7 +392,7 @@ disppath **get_displays() {
 
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	/* Note :- some recent releases of OS X have a feature which */
 	/* automatically adjusts the screen brigtness with ambient level. */
 	/* We may have to find a way of disabling this during calibration and profiling. */
@@ -548,7 +552,7 @@ disppath **get_displays() {
 	}
 
 	free(dids);
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 	int i, j, k;
@@ -636,8 +640,8 @@ disppath **get_displays() {
 
 			/* Look at all the screens outputs */
 			for (jj = j = 0; j < scrnres->noutput; j++) {
-				XRROutputInfo *outi;
-				XRRCrtcInfo *crtci;
+				XRROutputInfo *outi = NULL;
+				XRRCrtcInfo *crtci = NULL;
 	
 				if ((outi = XRRGetOutputInfo(mydisplay, scrnres, scrnres->outputs[j])) == NULL) {
 					debugrr("XRRGetOutputInfo failed\n");
@@ -649,12 +653,13 @@ disppath **get_displays() {
 	
 				if (outi->connection == RR_Disconnected ||
 					outi->crtc == None) {
+					XRRFreeOutputInfo(outi);
 					continue;
 				}
 
 				/* Check that the VideoLUT's are accessible */
 				{
-					XRRCrtcGamma *crtcgam;
+					XRRCrtcGamma *crtcgam = NULL;
 			
 					debugrr("Checking XRandR 1.2 VideoLUT access\n");
 					if ((crtcgam = XRRGetCrtcGamma(mydisplay, outi->crtc)) == NULL
@@ -666,8 +671,11 @@ disppath **get_displays() {
 						disps = NULL;
 						j = scrnres->noutput;
 						i = dcount;
+						XRRFreeOutputInfo(outi);
 						continue;				/* Abort XRandR 1.2 */
 					}
+					if (crtcgam != NULL)
+						XRRFreeGamma(crtcgam);
 				}
 #ifdef NEVER
 				{
@@ -692,6 +700,7 @@ disppath **get_displays() {
 						if ((disps = (disppath **)calloc(sizeof(disppath *), 1 + 1)) == NULL) {
 							debugrr("get_displays failed on malloc\n");
 							XRRFreeCrtcInfo(crtci);
+							XRRFreeOutputInfo(outi);
 							XRRFreeScreenResources(scrnres);
 							XCloseDisplay(mydisplay);
 							return NULL;
@@ -701,6 +710,7 @@ disppath **get_displays() {
 						                     sizeof(disppath *) * (ndisps + 2))) == NULL) {
 							debugrr("get_displays failed on malloc\n");
 							XRRFreeCrtcInfo(crtci);
+							XRRFreeOutputInfo(outi);
 							XRRFreeScreenResources(scrnres);
 							XCloseDisplay(mydisplay);
 							return NULL;
@@ -711,6 +721,7 @@ disppath **get_displays() {
 					if ((disps[ndisps] = calloc(sizeof(disppath),1)) == NULL) {
 						debugrr("get_displays failed on malloc\n");
 						XRRFreeCrtcInfo(crtci);
+						XRRFreeOutputInfo(outi);
 						XRRFreeScreenResources(scrnres);
 						XCloseDisplay(mydisplay);
 						free_disppaths(disps);
@@ -741,6 +752,7 @@ disppath **get_displays() {
 					if ((disps[ndisps]->description = strdup(desc2)) == NULL) {
 						debugrr("get_displays failed on malloc\n");
 						XRRFreeCrtcInfo(crtci);
+						XRRFreeOutputInfo(outi);
 						XRRFreeScreenResources(scrnres);
 						XCloseDisplay(mydisplay);
 						free_disppaths(disps);
@@ -756,6 +768,7 @@ disppath **get_displays() {
 					if ((disps[ndisps]->name = strdup(dnbuf)) == NULL) {
 						debugrr("get_displays failed on malloc\n");
 						XRRFreeCrtcInfo(crtci);
+						XRRFreeOutputInfo(outi);
 						XRRFreeScreenResources(scrnres);
 						XCloseDisplay(mydisplay);
 						free_disppaths(disps);
@@ -809,6 +822,7 @@ disppath **get_displays() {
 									if ((disps[ndisps]->edid = malloc(sizeof(unsigned char) * ret_len)) == NULL) {
 										debugrr("get_displays failed on malloc\n");
 										XRRFreeCrtcInfo(crtci);
+										XRRFreeOutputInfo(outi);
 										XRRFreeScreenResources(scrnres);
 										XCloseDisplay(mydisplay);
 										free_disppaths(disps);
@@ -833,7 +847,6 @@ disppath **get_displays() {
 				}
 				XRRFreeOutputInfo(outi);
 			}
-	
 			XRRFreeScreenResources(scrnres);
 		}
 		XSetErrorHandler(NULL);
@@ -1136,15 +1149,16 @@ void free_a_disppath(disppath *path) {
 
 /* ----------------------------------------------- */
 
-/* For VideoLUT/RAMDAC use, we assume that the number of entries in the RAMDAC */
-/* meshes perfectly with the display raster depth, so that we can */
-/* figure out how to apportion device values. We fail if they don't */
-/* seem to mesh. */
+/* For VideoLUT/RAMDAC use, we assume that the frame buffer */
+/* may map through some intermediate hardware or lookup */
+/* into a RAMDAC index. */
 
 /* !!! Would be nice to add an error message return to dispwin and */
 /* !!! pass errors back to it so that the detail can be reported */
 /* !!! to the user. */
 
+static void dispwin_dump_ramdac(FILE *fp, ramdac *r);
+
 /* Get RAMDAC values. ->del() when finished. */
 /* Return NULL if not possible */
 static ramdac *dispwin_get_ramdac(dispwin *p) {
@@ -1168,9 +1182,11 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 		debugr("dispwin_get_ramdac failed on malloc()\n");
 		return NULL;
 	}
-	r->pdepth = p->pdepth;
-	r->nent = (1 << p->pdepth);
-	r->clone =  dispwin_clone_ramdac;
+	r->fdepth = p->fdepth;
+	r->rdepth = p->rdepth;
+	r->ndepth = p->ndepth;
+	r->nent   = p->nent;
+	r->clone  = dispwin_clone_ramdac;
 	r->setlin = dispwin_setlin_ramdac;
 	r->del =    dispwin_del_ramdac;
 
@@ -1186,9 +1202,9 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 	}
 
 	/* GetDeviceGammaRamp() is hard coded for 3 x 256 entries (Quantize) */
-	if (r->nent != 256) {
+	if (256 != r->nent) {
 		free(r);
-		debugr2((errout,"GetDeviceGammaRamp() is hard coded for nent == 256, and we've got nent = %d!\n",r->nent));
+		debugr2((errout,"GetDeviceGammaRamp number of entries %d inconsistent with expected value %d\n",256,p->nent));
 		return NULL;
 	}
 
@@ -1204,7 +1220,7 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 	}
 #endif	/* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	unsigned int nent;
 	CGGammaValue vals[3][16385];
 
@@ -1220,8 +1236,8 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 		return NULL;
 	}
 
-	if (nent != (1 << p->pdepth)) {
-		debugr2((errout,"CGGetDisplayTransferByTable number of entries %d mismatches screen depth %d\n",nent,p->pdepth));
+	if (nent != p->nent) {
+		debugr2((errout,"CGGetDisplayTransferByTable number of entries %u inconsistent with previous value %d\n",nent,p->nent));
 		return NULL;
 	}
 
@@ -1231,8 +1247,10 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 		return NULL;
 	}
 
-	r->pdepth = p->pdepth;
-	r->nent = (1 << p->pdepth);
+	r->fdepth = p->fdepth;
+	r->rdepth = p->rdepth;
+	r->ndepth = p->ndepth;
+	r->nent   = p->nent;
 	r->clone =  dispwin_clone_ramdac;
 	r->setlin = dispwin_setlin_ramdac;
 	r->del =    dispwin_del_ramdac;
@@ -1252,7 +1270,7 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 			r->v[j][i] = vals[j][i];
 		}
 	}
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 	unsigned short vals[3][16384];
@@ -1275,13 +1293,8 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 
 		nent = crtcgam->size;
 
-		if (nent > 16384) {
-			debugr("XRRGetCrtcGammaSize  has more entries than we can handle\n");
-			return NULL;
-		}
-
-		if (nent != (1 << p->pdepth)) {
-			debugr2((errout,"XRRGetCrtcGammaSize number of entries %d mismatches screen depth %d bits\n",nent,(1 << p->pdepth)));
+		if (nent != p->nent) {
+			debugr2((errout,"XRRGetCrtcGammaSize number of entries %d inconsistent with previous value\n",nent,p->nent));
 			return NULL;
 		}
 
@@ -1331,8 +1344,8 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 			return NULL;
 		}
 
-		if (nent > 16384) {
-			debugr("XF86VidModeGetGammaRampSize has more entries than we can handle\n");
+		if (nent != p->nent) {
+			debugr2((errout,"XF86VidModeGetGammaRampSize number of entries %d inconsistent with previous value\n",nent,p->nent));
 			return NULL;
 		}
 
@@ -1340,11 +1353,6 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 			debugr("XF86VidModeGetGammaRamp failed\n");
 			return NULL;
 		}
-
-		if (nent != (1 << p->pdepth)) {
-			debugr2((errout,"CGGetDisplayTransferByTable number of entries %d mismatches screen depth %d bits\n",nent,(1 << p->pdepth)));
-			return NULL;
-		}
 	}
 
 	/* Allocate a ramdac */
@@ -1353,9 +1361,11 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 		return NULL;
 	}
 
-	r->pdepth = p->pdepth;
-	r->nent = (1 << p->pdepth);
-	r->clone = dispwin_clone_ramdac;
+	r->fdepth = p->fdepth;
+	r->rdepth = p->rdepth;
+	r->ndepth = p->ndepth;
+	r->nent   = p->nent;
+	r->clone  = dispwin_clone_ramdac;
 	r->setlin = dispwin_setlin_ramdac;
 	r->del = dispwin_del_ramdac;
 	for (j = 0; j < 3; j++) {
@@ -1379,7 +1389,7 @@ static ramdac *dispwin_get_ramdac(dispwin *p) {
 	return r;
 }
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	/* Various support functions */
 
 #if __MAC_OS_X_VERSION_MAX_ALLOWED < 1060
@@ -1643,7 +1653,7 @@ static void *cur_colorsync_ref(dispwin *p) {
 	return cspr;
 }
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 /* Set the RAMDAC values. */
 /* Return nz if not possible */
@@ -1666,6 +1676,7 @@ static int dispwin_set_ramdac(dispwin *p, ramdac *r, int persist) {
 	for (j = 0; j < 3; j++) {
 		for (i = 0; i < r->nent; i++) {
 			double vv = r->v[j][i];
+
 			if (vv < 0.0)
 				vv = 0.0;
 			else if (vv > 1.0)
@@ -1676,12 +1687,15 @@ static int dispwin_set_ramdac(dispwin *p, ramdac *r, int persist) {
 
 	if (SetDeviceGammaRamp(p->hdc, vals) == 0) {
 		debugr2((errout,"dispwin_set_ramdac failed on SetDeviceGammaRamp() with error %d\n",GetLastError()));
+#ifdef NEVER
+		dispwin_dump_ramdac(stderr, r);
+#endif
 		return 1;
 	}
 	GdiFlush();
 #endif	/* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	{		/* Transient first */
 		CGGammaValue vals[3][16384];
 	
@@ -2115,7 +2129,7 @@ static int dispwin_set_ramdac(dispwin *p, ramdac *r, int persist) {
 	}
 #endif	/* < 10.6 */
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 	unsigned short vals[3][16384];
@@ -2214,6 +2228,24 @@ ramdac *dispwin_clone_ramdac(ramdac *r) {
 	return nr;
 }
 
+/* Debug dump ramdac */
+static void dispwin_dump_ramdac(FILE *fp, ramdac *r) {
+	int i, j;
+
+	fprintf(fp,"Ramdac fdepth %d, rdepth %d, ndepth %d, nent %d\n",
+	        r->fdepth, r->rdepth, r->ndepth, r->nent);
+
+	for (i = 0; i < r->nent; i++) {
+		int note = 0;
+		for (j = 0; j < 3; j++) {
+			if (r->v[j][i] < 0.0 || r->v[j][i] > 1.0
+			  || (i > 0 && r->v[j][i] < r->v[j][i-1]))
+			note = 1;
+		}
+		fprintf(fp," %d: %f %f %f%s\n",i, r->v[0][i], r->v[1][i], r->v[2][i], note ? " #" : "");
+	}
+}
+
 /* Set the ramdac values to linear */
 void dispwin_setlin_ramdac(ramdac *r) {
 	int i, j;
@@ -2522,7 +2554,7 @@ int dispwin_install_profile(dispwin *p, char *fname, ramdac *r, p_scope scope) {
 	}
 #endif /* OS X || Linux */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 
 #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	{
@@ -2685,7 +2717,7 @@ int dispwin_install_profile(dispwin *p, char *fname, ramdac *r, p_scope scope) {
 		return 0;
 	}
 #endif	/* 10.6 and prior */
-#endif /*  __APPLE__ */
+#endif /*  UNIX_APPLE */
 
 #if defined(UNIX_X11) && defined(USE_UCMM)
 	{
@@ -2862,7 +2894,7 @@ int dispwin_uninstall_profile(dispwin *p, char *fname, p_scope scope) {
 		}
 	}
 #endif /* OS X || Linux */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
 	{
 		char *dpath;		/* Un-install file path */
@@ -2980,7 +3012,7 @@ int dispwin_uninstall_profile(dispwin *p, char *fname, p_scope scope) {
 		return 0;
 	}
 #endif	/* 10.6 and prior */
-#endif /*  __APPLE__ */
+#endif /*  UNIX_APPLE */
 
 #if defined(UNIX_X11) && defined(USE_UCMM)
 	{
@@ -3043,7 +3075,7 @@ icmFile *dispwin_get_profile(dispwin *p, char *name, int mxlen) {
 	}
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	{
 		char *dpath; 			/* Read file path */
@@ -3187,7 +3219,7 @@ icmFile *dispwin_get_profile(dispwin *p, char *name, int mxlen) {
 		return rd_fp;
 	}
 #endif	/* 10.5 and prior */
-#endif /*  __APPLE__ */
+#endif /*  UNIX_APPLE */
 
 #if defined(UNIX_X11) && defined(USE_UCMM)
 	/* Try and get the currently installed profile from ucmm */
@@ -3454,7 +3486,7 @@ static void dispwin_uninstall_signal_handlers(dispwin *p) {
 /* ----------------------------------------------- */
 /* Test patch window specific declarations */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 
 @class DWWin;
 @class DWView;
@@ -3467,6 +3499,8 @@ typedef struct {
 #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1040
 	NSColorSpace *nscs;			/* Colorspace from profile */
 #endif
+	NSRect rect;				/* Size and position to create window */
+	int err;					/* Error code */
 } osx_cntx_t;
 
 // - - - - - - - - - - - - - - - - - - - - - - - - - 
@@ -3545,6 +3579,15 @@ unsigned char emptyCursor[43] = {
 
 @end
 
+/* Function called back by main thread to trigger a drawRect */
+
+static void doSetNeedsDisplay(void *cntx) {
+	osx_cntx_t *cx = (osx_cntx_t *)cntx;
+	
+	[cx->view setNeedsDisplay: YES ];
+
+	cx->err = 0;
+}
 // - - - - - - - - - - - - - - - - - - - - - - - - - 
 
 @interface DWWin : NSWindow {
@@ -3582,7 +3625,9 @@ unsigned char emptyCursor[43] = {
 @end
 
 /* Create our window */
-static void create_my_win(NSRect rect, osx_cntx_t *cx) {
+/* We run this on the main thread using a custom message */
+static void create_my_win(void *cntx) {
+	osx_cntx_t *cx = (osx_cntx_t *)cntx;
 	dispwin *p = cx->p;
 	SInt32 MacMajVers, MacMinVers, MacBFVers;
 	void *cspr = NULL;			/* ColorSync profile ref. */
@@ -3607,7 +3652,7 @@ static void create_my_win(NSRect rect, osx_cntx_t *cx) {
 	}
 
 	/* Create Window */
-	cx->window = [[DWWin alloc] initWithContentRect: rect
+	cx->window = [[DWWin alloc] initWithContentRect: cx->rect
                                         styleMask: NSBorderlessWindowMask
                                           backing: NSBackingStoreBuffered
                                             defer: YES
@@ -3626,7 +3671,8 @@ static void create_my_win(NSRect rect, osx_cntx_t *cx) {
 
 	/* Moves the window to the front of the screen list within its level, */
 	/* and show the window (i.e. make it "key") */
-	/* Trigger crash on OS X 10.11 El Capitan ? */
+	/* Trigger warning on OS X 10.11 El Capitan ? */
+	/* (Doesn't happen using 1.6.3 which ran everything in the main thread.) */
 	[cx->window makeKeyAndOrderFront: nil];
 
 	/* Use a null color transform to ensure device values */
@@ -3686,9 +3732,10 @@ static void create_my_win(NSRect rect, osx_cntx_t *cx) {
 	}
 #endif
 
+	cx->err = 0;
 }
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 /* ----------------------------------------------- */
 
@@ -3726,22 +3773,24 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 
 			/* For video encoding the extra bits of precision are created by bit shifting */
 			/* rather than scaling, so we need to scale the fp value to account for this. */
-			if (p->pdepth > 8)
-				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->pdepth - 8)))
-				            /((1 << p->pdepth) - 1.0); 	
+			if (p->edepth > 8)
+				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->edepth - 8)))
+				            /((1 << p->edepth) - 1.0); 	
 		}
 	}
 
 //if (p->out_tvenc) {
 //printf(" %d: 8 bit tv = s_rgb %f %f %f\n",j, p->s_rgb[0], p->s_rgb[1], p->s_rgb[2]);
-//printf(" %d: %d bitraster r_rgb %f %f %f\n",j, p->pdepth,p->r_rgb[0], p->r_rgb[1], p->r_rgb[2]);
+//printf(" %d: %d bitraster r_rgb %f %f %f\n",j, p->edepth,p->r_rgb[0], p->r_rgb[1], p->r_rgb[2]);
 //}
 
 	/* Use ramdac for high precision native output. */
 	/* The ramdac is used to hold the lsb that the frame buffer */
 	/* doesn't hold. */
 	if ((p->native & 1) == 1) {
-		double prange = p->r->nent - 1.0;
+		double frange = (1 << p->fdepth) - 1.0;
+		double rrange = (1 << p->rdepth) - 1.0;
+		double nrange = p->nent - 1.0;
 
 		p->r->setlin(p->r);			/* In case something else altered this */
 
@@ -3756,9 +3805,66 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 			if (p->out_tvenc && p->edepth > 8)
 				vv = (vv * 255 * (1 << (p->edepth - 8)))/((1 << p->edepth) - 1.0); 	
 				
-			tt = (int)(vv * prange + 0.5);
-			p->r_rgb[j] = (double)tt/prange;	/* RAMDAC output Quantized value */
+			/* Determine the ramdac index that the quantized frame buffer */
+			/* value will make use of */
+#ifdef NT
+			/* Assume all depths match, or linear mapping between them */
+			tt = (int)(vv * frange + 0.5);			/* Frame buffer value */
+			p->r_rgb[j] = (double)tt/frange;		/* Double frame buffer value */
+			tt = (int)(tt/frange * rrange + 0.5);	/* expected RAMDAC index */
+			tt = (int)(tt/rrange * nrange + 0.5);	/* actual RAMDAC index */
+#endif
+#ifdef UNIX_APPLE
+			/* We assume linear mapping with perfect rounding between rdepth and ndepth */
+			tt = (int)(vv * frange + 0.5);			/* Frame buffer value */
+			p->r_rgb[j] = (double)tt/frange;		/* Double frame buffer value */
+			tt = (int)(tt/frange * rrange + 0.5);	/* expected RAMDAC index */
+			tt = (int)(tt/rrange * nrange + 0.5);	/* actual RAMDAC index */
+#endif
+#if defined(UNIX_X11)
+			/* We assume linear mapping with perfect rounding between rdepth and ndepth */
+			tt = (int)(vv * frange + 0.5);			/* Frame buffer value */
+			p->r_rgb[j] = (double)tt/frange;		/* Double frame buffer value */
+			tt = p->rmap[j][tt];					/* expected RAMDAC index */
+			tt = (int)(tt/rrange * nrange + 0.5);	/* actual RAMDAC index */
+#endif
+
+#ifdef NEVER	// Just set entry we think will get hit
 			p->r->v[j][tt] = vv;
+#else
+
+			/* Set the three entries around target and create ramp either side,
+			   to allow for some video cards not having a precise
+			   definition of what value translates to what frame buffer value. */
+			{
+				int i;
+				double maxv = 1.0;
+
+				if (p->out_tvenc && p->edepth > 8)
+					maxv = (maxv * 255 * (1 << (p->edepth - 8)))/((1 << p->edepth) - 1.0); 	
+
+				if ((tt-1) == 0) {
+					p->r->v[j][tt-1] = vv;
+				} else {
+					for (i = 0; i <= (tt-1); i++)
+						p->r->v[j][i] = vv * i/(tt-1); 
+				}
+
+				p->r->v[j][tt] = vv;
+
+				if ((tt+1) == (p->r->nent-1)) {
+					p->r->v[j][tt+1] = vv;
+				} else {
+					for (i = tt+1; i < p->r->nent; i++)
+						p->r->v[j][i] = vv + (maxv - vv) * (i - (tt+1))/((p->r->nent-1) - (tt+1)); 
+				}
+
+#ifdef NEVER
+				for (i = 0; i < p->r->nent; i++)
+					printf("~1 %d, %d -> %f\n",j,i,p->r->v[j][i]);
+#endif
+			}
+#endif
 
 //printf(" cell[%d] = r_rgb %f, cell val %f\n",tt, p->r_rgb[j], vv);
 		}
@@ -3796,7 +3902,9 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 #endif
 		
 		p->colupd++;
-//printf("~1 set color %f %f %f\n", p->r_rgb[0], p->r_rgb[1], p->r_rgb[2]);
+
+		debugr2((errout,"dispwin_set_color about to paint color %f %f %f\n",
+		         p->r_rgb[0], p->r_rgb[1], p->r_rgb[2]));
 
 		/* Trigger a WM_PAINT */
 		if (!InvalidateRect(p->hwnd, NULL, FALSE)) {
@@ -3810,13 +3918,14 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 		while (p->colupd != p->colupde && p->cberror == 0) {
 			msec_sleep(10);
 		}
-//printf("~1 paint done\n");
+
+		debugr2((errout,"dispwin_set_color paint done\n"));
 	}
 #endif /* NT */
 
 	/* - - - - - - - - - - - - - - */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 
 	if (p->winclose) {
 		return 2;
@@ -3840,11 +3949,7 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 		if ((stat = GetCurrentProcess(&cpsn)) != noErr) {
 			debugr2((errout,"GetCurrentProcess returned error %d\n",stat));
 		} else {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1030
-			if ((stat = TransformProcessType(&cpsn, kProcessTransformToForegroundApplication)) != noErr) {
-				debugr2((errout,"TransformProcessType returned error %d\n",stat));
-			}
-#endif /* OS X 10.3 */
+			// [window makeGetAndOrderFront:] 	??
 			if ((stat = SetFrontProcess(&cpsn)) != noErr) {
 				debugr2((errout,"SetFrontProcess returned error %d\n",stat));
 			}
@@ -3852,40 +3957,56 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 		p->btf = 1;
 	}
 
-	/* Trigger an update that fills window with r_rgb[] */
-	[((osx_cntx_t *)(p->osx_cntx))->view setNeedsDisplay: YES ];
+	/* Prepare to wait for events */
+	ui_aboutToWait();
+
+	debugr2((errout,"dispwin_set_color about to paint color %f %f %f\n",
+	         p->r_rgb[0], p->r_rgb[1], p->r_rgb[2]));
+
+//	[((osx_cntx_t *)(p->osx_cntx))->view setNeedsDisplay: YES ];
+
+	/* Run the window creation in the main thread and wait for it */
+	ui_runInMainThreadAndWait((void *)p->osx_cntx, doSetNeedsDisplay);
+
+	/* Wait for any events generated by paint to complete */
+	ui_waitForEvents();
+
+	debugr2((errout,"dispwin_set_color paint done\n"));
 
 	if (tpool != nil)
 		[tpool release];
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 	/* - - - - - - - - - - - - - - */
 
 #if defined(UNIX_X11)
 	{
-		Colormap mycmap;
-		XColor col;
-		int vali[3];
+		unsigned int vali[3];
+		unsigned long fbval;
 
 		/* Indicate that we've got activity to the X11 Screensaver */
 		XResetScreenSaver(p->mydisplay);
 
-		/* Quantize to 16 bit color */
+		/* Quantize to frame buffer component depth */
 		for (j = 0; j < 3; j++)
-			vali[j] = (int)(65535.0 * p->r_rgb[j] + 0.5);
+			vali[j] = (int)(((1 << p->fdepth)-1.0) * p->r_rgb[j] + 0.5);
 
-		mycmap = DefaultColormap(p->mydisplay, p->myscreen);
-		col.red = vali[0];
-		col.green = vali[1];
-		col.blue = vali[2];
-		XAllocColor(p->mydisplay, mycmap, &col);
-		XSetForeground(p->mydisplay, p->mygc, col.pixel);
+		/* Compose frame buffer pixel value */
+		fbval = (vali[0] << p->shift[0])
+		      | (vali[1] << p->shift[1])
+		      | (vali[2] << p->shift[2]);
+		XSetForeground(p->mydisplay, p->mygc, fbval);
+
+		debugr2((errout,"dispwin_set_color about to paint color %f %f %f\n",
+		         p->r_rgb[0], p->r_rgb[1], p->r_rgb[2]));
 
 		XFillRectangle(p->mydisplay, p->mywindow, p->mygc,
 		               p->tx, p->ty, p->tw, p->th);
 
 		XSync(p->mydisplay, False);		/* Make sure it happens */
+
+		debugr2((errout,"dispwin_set_color paint done\n"));
 	}
 #endif	/* UNXI X11 */
 
@@ -4029,6 +4150,7 @@ dispwin *p
 		if (p->mth != NULL) {			/* Message thread */
 			p->mth->del(p->mth);
 		}
+		p->hwnd = NULL;
 	}
 
 	if (p->hdc != NULL)
@@ -4038,7 +4160,7 @@ dispwin *p
 	/* -------------------------------------------------- */
 
 	/* -------------------------------------------------- */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	if (p->nowin == 0) {	/* We have a window up */
 		restore_display(p);
 		if (p->osx_cntx != NULL) {	/* And we've allocated a context */
@@ -4061,7 +4183,7 @@ dispwin *p
 // ~~
 //	CGDisplayShowCursor(p->ddid);
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 	/* -------------------------------------------------- */
 
 	/* -------------------------------------------------- */
@@ -4071,22 +4193,43 @@ dispwin *p
 	if (p->mydisplay != NULL) {
 		if (p->nowin == 0) {	/* We have a window up */
 	
-			XFreeGC(p->mydisplay, p->mygc);
-			XDestroyWindow(p->mydisplay, p->mywindow);
+			if (p->mygc != 0)
+				XFreeGC(p->mydisplay, p->mygc);
+			if (p->mywindow != 0)
+				XDestroyWindow(p->mydisplay, p->mywindow);
 		}
 		XCloseDisplay(p->mydisplay);
+		p->mydisplay = NULL;
+	}
+	{
+		int j;
+		for (j = 0; j < 3; j++) {
+			if (p->rmap[j] != NULL) {
+				free(p->rmap[j]);
+				p->rmap[j] = NULL;
+			}
+		}
 	}
 	debugr("finished\n");
 
+	if (p->edid != NULL)
+		free(p->edid);
+
 #endif	/* UNXI X11 */
 	/* -------------------------------------------------- */
 
-	if (p->name != NULL)
+	if (p->name != NULL) {
 		free(p->name);
-	if (p->description != NULL)
+		p->name = NULL;
+	}
+	if (p->description != NULL) {
 		free(p->description);
-	if (p->callout != NULL)
+		p->description = NULL;
+	}
+	if (p->callout != NULL) {
 		free(p->callout);
+		p->callout = NULL;
+	}
 
 	free(p);
 }
@@ -4234,6 +4377,10 @@ static LRESULT CALLBACK MainWndProc(
 
 #endif /* NT */
 
+#ifdef UNIX_APPLE
+
+#endif /* UNIX_APPLE */
+
 #if defined(UNIX_X11)
 	/* None */
 #endif	/* UNXI X11 */
@@ -4241,7 +4388,8 @@ static LRESULT CALLBACK MainWndProc(
 /* ----------------------------------------------- */
 #ifdef NT
 
-/* Thread to handle message processing, so that there is no delay */
+/* Thread to create the window if it doesn'r exist, */
+/* and handle message processing, so that there is no delay */
 /* when the main thread is doing other things. */
 int win_message_thread(void *pp) {
 	dispwin *p = (dispwin *)pp;
@@ -4333,7 +4481,7 @@ int win_message_thread(void *pp) {
 	}
 
 	if (UnregisterClass(p->AppName, NULL) == 0) {
-		warning("UnregisterClass failed, lasterr = %d\n",GetLastError());
+		warning("UnregisterClass failed, lasterr = %d",GetLastError());
 	}
 
 	p->hwnd = NULL;		/* Signal it's been deleted */
@@ -4400,7 +4548,10 @@ int ddebug						/* >0 to print debug statements to stderr */
 ) {
 	dispwin *p = NULL;
 
-	debug("new_dispwin called\n");
+#ifndef DEBUG
+	if (ddebug) 
+#endif
+	fprintf(errout, "new_dispwin called\n");
 
 #if defined(UNIX_X11) && defined(USE_UCMM)
 	dispwin_checkfor_colord();		/* Make colord functions available */
@@ -4444,6 +4595,8 @@ int ddebug						/* >0 to print debug statements to stderr */
 
 	/* Basic object is initialised, so create a window */
 
+	ui_UsingGUI();
+
 	/* -------------------------------------------------- */
 #ifdef NT
 	{
@@ -4511,7 +4664,7 @@ int ddebug						/* >0 to print debug statements to stderr */
 		p->wh = he;
 
 		/* It's a bit difficult to know how windows defines the display */
-		/* depth. Microsofts doco is fuzzy, and typical values */
+		/* depth. Microsoft's doco is fuzzy, and typical values */
 		/* for BITSPIXEL and PLANES are confusing (What does "32" and "1" */
 		/* mean ?) NUMCOLORS seems to be -1 on my box, and perhaps */
 		/* is only applicable to up to 256 paletized colors. The doco */
@@ -4530,12 +4683,17 @@ int ddebug						/* >0 to print debug statements to stderr */
 		}
 		bpp = GetDeviceCaps(p->hdc, COLORRES);
 		if (bpp <= 0)
-			p->pdepth = 8;		/* Assume this is so */
+			p->fdepth = 8;		/* Assume this is so */
 		else
-			p->pdepth = bpp/3;
+			p->fdepth = bpp/3;
 
+		p->rdepth = p->fdepth;		/* Assume this is so */
+		p->ndepth = 8;				/* Assume this is so */
+		p->nent = (1 << p->ndepth);
 		p->edepth = 16;
 
+		debugr2((errout,"new_dispwin: fdepth %d, rdepth %d, ndepth %d, edepth %d\n", p->fdepth,p->rdepth,p->ndepth,p->edepth));
+
 		if (nowin == 0) {
 
 			/* We use a thread to process the window messages, so that */
@@ -4549,6 +4707,9 @@ int ddebug						/* >0 to print debug statements to stderr */
 			p->wi = wi;
 			p->he = he;
 
+			debugr2((errout,"new_dispwin about to create window\n"));
+
+			/* Create the window and then process events */
 			if ((p->mth = new_athread(win_message_thread, (void *)p)) == NULL) {
 				debugr2((errout, "new_dispwin: new_athread failed\n"));
 				dispwin_del(p);
@@ -4556,6 +4717,9 @@ int ddebug						/* >0 to print debug statements to stderr */
 			}
 
 			/* Wait for thread to run */
+			/* (Hmm. This doesn't actually gurantee that our window has */
+			/* been created yet ? */
+			// ~~ should sync by sending a custom message and getting notified ? */
 			while (p->inited == 0) {
 				msec_sleep(20);
 			}
@@ -4565,6 +4729,8 @@ int ddebug						/* >0 to print debug statements to stderr */
 				dispwin_del(p);
 				return NULL;
 			}
+
+			debugr2((errout,"new_dispwin window created\n"));
 		}
 
 		/* Install the signal handler to ensure cleanup */
@@ -4575,7 +4741,7 @@ int ddebug						/* >0 to print debug statements to stderr */
 	/* -------------------------------------------------- */
 
 	/* -------------------------------------------------- */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 
 	if ((p->name = strdup(disp->name)) == NULL) {
 		debugr2((errout,"new_dispwin: Malloc failed\n"));
@@ -4584,31 +4750,13 @@ int ddebug						/* >0 to print debug statements to stderr */
 	}
 	p->ddid = disp->ddid;		/* Display we're working on */
 
-	/* Hmm. Could we use CGDisplayGammaTableCapacity() instead ? */
 #if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	{
 		CGDisplayModeRef dispmode;
 		CFStringRef pixenc;
-		int cap = CGDisplayGammaTableCapacity(p->ddid);
 		int fbdepth = 0;
 
-		debugr2((errout,"new_dispwin: CGDisplayGammaTableCapacity = %d\n",cap));
-
-		/* Compute GammaTable depth */ 
-		{
-			for (p->pdepth = 1; p->pdepth < 17; p->pdepth++) {
-				if ((1 << p->pdepth) == cap)
-					break;
-			}
-			if (p->pdepth >= 17) {
-				debugr2((errout,"new_dispwin: failed to extract depth from GammaTableCapacity %d\n",cap));
-				dispwin_del(p);
-				return NULL;
-			}
-			debugr2((errout,"new_dispwin: found pixel depth %d bits\n",p->pdepth));
-		}
-		/* Get frame buffer depth for sanity check, but don't actually make used of it */
-
+		/* Get frame buffer depth  */
 		dispmode = CGDisplayCopyDisplayMode(p->ddid);
 		pixenc = CGDisplayModeCopyPixelEncoding(dispmode);
 
@@ -4625,6 +4773,9 @@ int ddebug						/* >0 to print debug statements to stderr */
 		else if (CFStringCompare(pixenc, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive)
 			                                                             == kCFCompareEqualTo)
 			fbdepth = 5;
+		else
+			fbdepth = 8;		/* Assume */
+
 #ifndef DEBUG
 		if (p->ddebug)
 #endif
@@ -4637,26 +4788,56 @@ int ddebug						/* >0 to print debug statements to stderr */
 		CFRelease(pixenc);
 		CGDisplayModeRelease(dispmode);
 
-		if (p->pdepth != fbdepth) {
-			static int warned  = 0;
-			if (!warned) {
-				warning("new_dispwin: frame buffer depth %d != GammaTable depth %d\n",fbdepth, p->pdepth);
-				warned = 1;
+		p->fdepth = fbdepth;
+		p->rdepth = p->fdepth;		/* We don't know of any HW between frame buffer and VideoLUT */
+
+		/* Get CGDisplayGammaTable size */
+		p->nent = CGDisplayGammaTableCapacity(p->ddid);
+		
+		/* Compute GammaTable/VideoLUT/RAMDAC depth */ 
+		{
+			for (p->ndepth = 1; p->ndepth < 17; p->ndepth++) {
+				if ((1 << p->ndepth) >= p->nent)
+					break;
+			}
+			if (p->ndepth >= 17) {
+				debugr2((errout,"new_dispwin: failed to extract depth from GammaTableCapacity %d\n",p->nent));
+				dispwin_del(p);
+				return NULL;
+			}
+			debugr2((errout,"new_dispwin: found actual VideoLUT depth %d bits\n",p->ndepth));
+		}
+
+		if (p->rdepth > p->ndepth) {
+			debugr2((errout,"new_dispwin: Frame buffer depth %d > VideoLUT depth %d\n",p->rdepth, p->ndepth));
+			dispwin_del(p);
+			return NULL;
+		}
+
+		if (p->rdepth != p->ndepth) {
+			if (!p->warned) {
+				warning("new_dispwin: Frame buffer depth %d doesn't matcv VideoLUT %d",p->rdepth, p->ndepth);
+				p->warned = 1;
 			}
 		}
 	}
 #else
-	p->pdepth = CGDisplayBitsPerSample(p->ddid);
+	/* Life is simple */
+	p->fdepth = CGDisplayBitsPerSample(p->ddid);
+	p->rdepth = p->fdepth;
+	p->ndepth = p->rdepth;
+	p->nent = (1 << p->ndepth);
 #endif
 
 	p->edepth = 16;				/* By experiment it seems to be 16 bits too */
 
+	debugr2((errout,"new_dispwin: fdepth %d, rdepth %d, ndepth %d, edepth %d\n", p->fdepth,p->rdepth,p->ndepth,p->edepth));
+
 	if (nowin == 0) {			/* Create a window */
 		osx_cntx_t *cx;
 		CGSize sz;				/* Display size in mm */
 		int wi, he;				/* Width and height in pixels */
 		int xo, yo;				/* Window location */
-		NSRect wrect;
 
 		debugr2((errout, "new_dispwin: About to open display '%s'\n",disp->name));
 
@@ -4716,22 +4897,33 @@ int ddebug						/* >0 to print debug statements to stderr */
 		p->ww = wi;
 		p->wh = he;
 
-		wrect.origin.x = xo;
-		wrect.origin.y = yo;
-		wrect.size.width = wi;
-		wrect.size.height = he;
+		cx->rect.origin.x = xo;
+		cx->rect.origin.y = yo;
+		cx->rect.size.width = wi;
+		cx->rect.size.height = he;
+
+		debugr2((errout,"new_dispwin about to create window\n"));
+
+		/* Prepare to wait for events */
+		ui_aboutToWait();
 
-		create_my_win(wrect, cx);
+		/* Run the window creation in the main thread and wait for it */
+		ui_runInMainThreadAndWait((void *)cx, create_my_win);
+
+		/* Wait for events generated by window creation to complete */
+		ui_waitForEvents();
 
 		if (tpool != nil)
 			[tpool release];
 
 		p->winclose = 0;
+
+		debugr2((errout,"new_dispwin window created\n"));
 	}
 
 	/* Install the signal handler to ensure cleanup */
 	dispwin_install_signal_handlers(p);
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 	/* -------------------------------------------------- */
 
 	/* -------------------------------------------------- */
@@ -4755,6 +4947,8 @@ int ddebug						/* >0 to print debug statements to stderr */
 		Window rootwindow;
 		char *appname = "TestWin";
 		Visual *myvisual;
+		XVisualInfo template, *vinfo;
+		int nitems = 0;
 		XSetWindowAttributes myattr;
 		XEvent      myevent;
 		XTextProperty myappname;
@@ -4817,15 +5011,184 @@ int ddebug						/* >0 to print debug statements to stderr */
 			memmove(p->edid, disp->edid, p->edid_len);
 		}
 
-		//p->pdepth = DefaultDepth(p->mydisplay, p->myscreen)/3;
+#ifdef NEVER
+#pragma message("######### dispwin.c DirectColor test is defined! ########")
+
+		/* To test DirectColor Visual when it's not the default:*/
+		debugr2((errout,"new_dispwin: Testing DirectColor Visual\n"));
+		
+		// test DirectColor visual 	
+		template.class = DirectColor;
+		if ((vinfo = XGetVisualInfo(p->mydisplay, VisualClassMask, &template, &nitems)) == NULL) {
+			debugr2((errout,"new_dispwin: Unable to find a DirectColor Visual\n"));
+			dispwin_del(p);
+			return NULL;
+		}
+		myvisual = vinfo->visual;
 
-		// Hmm. Should we explicitly get the root window visual,
-		// since our test window inherits it from root ?
+#else
 		myvisual = DefaultVisual(p->mydisplay, p->myscreen);
-		p->pdepth = myvisual->bits_per_rgb;
-		p->edepth = 16;
+#endif
+
+		/* Expect TrueColor (fixed/no map) or DirectColor (read/write map) Visual - */
+		/* anything else is not suitable for high quality color. */
+
+		/* Get the VisualInfo */
+		template.visualid = myvisual->visualid;
+		vinfo = XGetVisualInfo(p->mydisplay, VisualIDMask, &template, &nitems); 
+
+		if (nitems < 1) {
+			debugr2((errout,"new_dispwin: Failed to get XGetVisualInfo of defalt Visual\n"));
+			dispwin_del(p);
+			return NULL;
+		}
+
+		if (vinfo->class != TrueColor && vinfo->class != DirectColor) {
+			debugr2((errout,"new_dispwin: Default Visual is not TrueColor or DirectColor\n"));
+			XFree(vinfo);
+			dispwin_del(p);
+			return NULL;
+		}
+
+		/* Compute per component frame buffer depth */
+		{
+			for (p->fdepth = 1; p->fdepth < 17; p->fdepth++) {
+				if ((1 << p->fdepth) >= myvisual->map_entries)
+					break;
+			}
+			if (p->fdepth >= 17) {
+				debugr2((errout,"new_dispwin: failed to extract depth from Visual bits_per_rgb %d\n",myvisual->map_entries));
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+		}
+		p->rdepth = myvisual->bits_per_rgb;		/* X11 colormap entry size */
+		p->edepth = 16;							/* Assumed */
+
+		/* Check that vinfo->red_mask, green_mask & blue_mask all have */
+		/* myvisual->map_entries number of bits set, and determine the shift. */
+		{
+			unsigned long bit;
+			int depth;
+
+			if (vinfo->red_mask == 0 || vinfo->green_mask == 0 || vinfo->blue_mask == 0) {
+				debugr2((errout,"new_dispwin: one of default Visual r/g/b masks is 0\n"));
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+
+			for (p->shift[0] = 0, bit = 1; (bit & vinfo->red_mask) == 0; p->shift[0]++, bit <<= 1) 
+				;
+
+			for (depth = 0; (bit & vinfo->red_mask) != 0; depth++, bit <<= 1) 
+				;
+
+			if (depth != p->fdepth) {
+				debugr2((errout,"new_dispwin: Default Visual red mask 0x%x is not %d bits\n",vinfo->red_mask,p->fdepth));
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+
+			for (p->shift[1] = 0, bit = 1; (bit & vinfo->green_mask) == 0; p->shift[1]++, bit <<= 1) 
+				;
+
+			for (depth = 0; (bit & vinfo->green_mask) != 0; depth++, bit <<= 1) 
+				;
+
+			if (depth != p->fdepth) {
+				debugr2((errout,"new_dispwin: Default Visual green mask 0x%x is not %d bits\n",vinfo->red_mask,p->fdepth));
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+
+			for (p->shift[2] = 0, bit = 1; (bit & vinfo->blue_mask) == 0; p->shift[2]++, bit <<= 1) 
+				;
+
+			for (depth = 0; (bit & vinfo->blue_mask) != 0; depth++, bit <<= 1) 
+				;
+
+			if (depth != p->fdepth) {
+				debugr2((errout,"new_dispwin: Default Visual blue mask 0x%x is not %d bits\n",vinfo->red_mask,p->fdepth));
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+		}
+
+		/* Check the VideoLUT depth */
+#if RANDR_MAJOR == 1 && RANDR_MINOR >= 2 && !defined(DISABLE_RANDR)
+		if (p->crtc != 0) {		/* Using Xrandr 1.2 */
+	
+			if ((p->nent = XRRGetCrtcGammaSize(p->mydisplay, p->crtc)) <= 0) {
+				p->nent = 0;
+			}
+		} else
+#endif /* randr >= V 1.2 */
+		{
+			p->nent = 0;
+
+			if (XF86VidModeQueryExtension(p->mydisplay, &evb, &erb) != 0) {
+				int nent = -1;
+			
+				/* Some propietary multi-screen drivers (ie. TwinView & MergedFB) */
+				/* don't implement the XVidMode extenstion properly. */
+				if (XSetErrorHandler(null_error_handler) == 0) {
+					debugr("new_dispwin failed on XSetErrorHandler\n");
+					XSetErrorHandler(NULL);		/* Restore handler */
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+				if (XF86VidModeGetGammaRampSize(p->mydisplay, p->myrscreen, &nent) != 0
+				 && nent != -1) {
+					p->nent = nent;
+				}
+				XSetErrorHandler(NULL);		/* Restore handler */
+			}
+		}
+
+		if (p->nent == 0) {
+			p->ndepth = 0;
+
+			if (!p->warned) {
+				warning("new_dispwin: VideoLUT is not accessible");
+				p->warned = 1;
+			}
+
+		} else {
+			if (p->nent > 16384) {
+				debugr("VideoLUT has more entries than we can handle\n");
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+	
+			/* Compute actual ramdac depth */
+			for (p->ndepth = 1; p->ndepth < 17; p->ndepth++) {
+				if ((1 << p->ndepth) >= p->nent)
+					break;
+			}
+	
+			if (p->nent != (1 << p->rdepth)) {
+				if (!p->warned) {
+					warning("new_dispwin: Expected VideoLUT depth %d doesn't match actual %d",p->rdepth, p->ndepth);
+					p->warned = 1;
+				}
+			}
+		}
+
+		debugr2((errout,"new_dispwin: %s fdepth %d, rdepth %d, ndepth %d, edepth %d, r/g/b shifts %d %d %d\n", vinfo->class != TrueColor ? "TreuColor" : "DirectColor", p->fdepth,p->rdepth,p->ndepth,p->edepth, p->shift[0], p->shift[1], p->shift[2]));
 
 		if (nowin == 0) {			/* Create a window */
+			unsigned long attrmask = 0;
+			XWindowAttributes mywa;
+			Colormap mycmap = None;
+			int ncolors, i;
+
 			rootwindow = RootWindow(p->mydisplay, p->myscreen);
 
 			myforeground = BlackPixel(p->mydisplay, p->myscreen);
@@ -4887,6 +5250,53 @@ int ddebug						/* >0 to print debug statements to stderr */
 			else
 				myattr.override_redirect = False;
 
+			attrmask |= CWBackPixel | CWBitGravity	/* Attributes Valumask */
+			          | CWWinGravity | CWBackingStore | CWOverrideRedirect;
+
+			/* For a DirectColor Visual, set the X11 color map */
+			if (vinfo->class == DirectColor) {
+				Colormap mycmap = None;
+				XColor *colors;
+				int ncolors = (1 << p->fdepth), i;
+				
+				debugr2((errout,"new_dispwin: setting DirectColor colormap\n"));
+
+				if ((mycmap = XCreateColormap(p->mydisplay, rootwindow, myvisual, AllocAll)) == None) {
+					debugr2((errout,"new_dispwin: XCreateColormap failed\n"));
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+	
+				if ((colors = malloc(sizeof(XColor) * ncolors)) == NULL) {
+					debugr2((errout,"new_dispwin: Malloc failed for XColors\n"));
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+
+				/* Set a linear mapping */
+				for (i = 0; i < ncolors; i++) {
+					colors[i].pixel = i << p->shift[0] | i << p->shift[1] | i << p->shift[2]; 
+					colors[i].red = 
+					colors[i].green = 
+					colors[i].blue = (unsigned short) (65535.0 * i/(ncolors-1.0) + 0.5);
+					colors[i].flags = DoRed | DoGreen | DoBlue; 
+				}
+
+				if (!XStoreColors(p->mydisplay, mycmap, colors, ncolors)) {
+					debugr2((errout,"new_dispwin: DirectColor XStoreColors failed\n"));
+					free(colors);
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+				free(colors);
+
+				myattr.colormap = mycmap;
+				attrmask |= CWColormap;
+			}
+
 			debugr("Opening window\n");
 			p->mywindow = XCreateWindow(
 				p->mydisplay, rootwindow,
@@ -4894,9 +5304,9 @@ int ddebug						/* >0 to print debug statements to stderr */
 				0,							/* Border width */
 				CopyFromParent,				/* Depth */
 				InputOutput,				/* Class */
-				CopyFromParent,				/* Visual */
-				CWBackPixel | CWBitGravity	/* Attributes Valumask */
-				| CWWinGravity | CWBackingStore | CWOverrideRedirect,
+//				CopyFromParent,				/* Visual */
+				myvisual,					/* Visual */
+				attrmask,					/* Attributes Valumask */
 				&myattr						/* Attribute details */
 			);
 
@@ -4908,10 +5318,12 @@ int ddebug						/* >0 to print debug statements to stderr */
 				p->mydisplay, p->mywindow,
 				&mywattributes) == 0) {
 				debugr("new_dispwin: XGetWindowAttributes failed\n");
+				XFree(vinfo);
 				dispwin_del(p);
 				return NULL;
 			}
-			p->pdepth = mywattributes.depth/3;
+			p->fdepth = mywattributes.depth/3;
+			p->rdepth = p->fdepth;
 #endif
 
 			/* Setup TextProperty */
@@ -4926,6 +5338,9 @@ int ddebug						/* >0 to print debug statements to stderr */
 				&mywmhints,
 				NULL);					/* No class hints */
 		
+			// ~1 should free myappname, but there doesn't seem to be
+			// a XFreeXTextProperty(&myappname); ???
+
 			/* Set aditional properties */
 			{
 				Atom optat;
@@ -4975,8 +5390,8 @@ int ddebug						/* >0 to print debug statements to stderr */
 
 			XSelectInput(p->mydisplay,p->mywindow, ExposureMask);
 		
+			debugr2((errout,"new_dispwin about to raise window\n"));
 			XMapRaised(p->mydisplay,p->mywindow);
-			debug("Raised window\n");
 		
 			/* ------------------------------------------------------- */
 			/* Suspend any screensavers if we can */
@@ -5065,7 +5480,7 @@ int ddebug						/* >0 to print debug statements to stderr */
 			}
 		
 			/* Deal with any pending events */
-			debug("About to enter main loop\n");
+			debugr("About to enter main loop\n");
 			while(XPending(p->mydisplay) > 0) {
 				XNextEvent(p->mydisplay, &myevent);
 				switch(myevent.type) {
@@ -5079,10 +5494,94 @@ int ddebug						/* >0 to print debug statements to stderr */
 						break;
 				}
 			}
+
+			/* Deal with Colormaps */
+			debugr2((errout,"new_dispwin: window created - dealling with colormap\n"));
+
+			if (!XGetWindowAttributes(p->mydisplay, p->mywindow, &mywa)) {
+				debugr2((errout,"new_dispwin: XGetWindowAttributes failed\n"));
+				XFree(vinfo);
+				dispwin_del(p);
+				return NULL;
+			}
+
+			mycmap = mywa.colormap;
+			ncolors = (1 << p->fdepth);
+
+			for (i = 0; i < 3; i++) { 
+				if ((p->rmap[i] = malloc(sizeof(int) * ncolors)) == NULL) {
+					debugr2((errout,"new_dispwin: Malloc failed for rmap[%d]\n",i));
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+			}
+
+			/* Get the X11 colormaps, so that we know how to translate */
+			/* between the frame buffer pixel value and the ramdac */
+			/* index number. */
+			if (mycmap != None) {
+				XColor *colors;
+
+				debugr2((errout,"new_dispwin: getting colormap\n"));
+
+				if ((colors = malloc(sizeof(XColor) * ncolors)) == NULL) {
+					debugr2((errout,"new_dispwin: Malloc failed for XColors\n"));
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+
+				for (i = 0; i < ncolors; i++) {
+					colors[i].pixel = i << p->shift[0] | i << p->shift[1] | i << p->shift[2]; 
+					colors[i].flags = DoRed | DoGreen | DoBlue; 
+				}
+
+				if (!XQueryColors(p->mydisplay, mycmap, colors, ncolors)) { 
+					debugr2((errout,"new_dispwin: DirectColor XQueryColors failed\n"));
+					free(colors);
+					XFree(vinfo);
+					dispwin_del(p);
+					return NULL;
+				}
+
+				/* Map from frame buffer value to ramdac index */
+				for (i = 0; i < ncolors; i++) {
+					p->rmap[0][i] = (int)(colors[i].red/65535.0 * ((1 << p->rdepth)-1.0) + 0.5);
+					p->rmap[1][i] = (int)(colors[i].green/65535.0 * ((1 << p->rdepth)-1.0) + 0.5);
+					p->rmap[2][i] = (int)(colors[i].blue/65535.0 * ((1 << p->rdepth)-1.0) + 0.5);
+
+//printf("%d: %d %d %d\n",i,p->rmap[0][i],p->rmap[1][i],p->rmap[2][i]);
+				}
+
+				free(colors);
+
+			/* Assume a default linear mapping */
+			} else {
+				debugr2((errout,"new_dispwin: assuming a linear colormap\n"));
+				for (i = 0; i < ncolors; i++) {
+					p->rmap[0][i] = (int)(i/((1 << p->fdepth)-1.0) * ((1 << p->rdepth)-1.0) + 0.5);
+					p->rmap[1][i] = (int)(i/((1 << p->fdepth)-1.0) * ((1 << p->rdepth)-1.0) + 0.5);
+					p->rmap[2][i] = (int)(i/((1 << p->fdepth)-1.0) * ((1 << p->rdepth)-1.0) + 0.5);
+				}
+
+				if (p->fdepth != p->rdepth) {
+					static int warned  = 0;
+					if (!warned) {
+						warning("new_dispwin: frame buffer depth %d != VideoLUT depth %d",p->fdepth, p->rdepth);
+						warned = 1;
+					}
+				}
+			}
+
+			debugr2((errout,"new_dispwin: dealt with colormap\n"));
+
 		} else {
 			/* Install the signal handler to ensure cleanup */
 			dispwin_install_signal_handlers(p);
 		}
+
+		XFree(vinfo); vinfo = NULL;
 	}
 #endif	/* UNIX X11 */
 	/* -------------------------------------------------- */
@@ -5750,7 +6249,7 @@ main(int argc, char *argv[]) {
 	if (fa < argc) {
 		strncpy(calname,argv[fa++],MAXNAMEL); calname[MAXNAMEL] = '\000';
 		if (installprofile == 0 && loadprofile == 0 && verify == 0)
-			loadfile = 1;		/* Load the given profile into the videoLUT */
+			loadfile = 1;		/* Load the given profile into the VideoLUT */
 	}
 
 #if defined(UNIX_X11)
@@ -5949,7 +6448,7 @@ main(int argc, char *argv[]) {
 		/* Should we load calfile instead of installed profile if it's present ??? */
 		if (loadprofile) {
 			if (calname[0] != '\000')
-				warning("Profile '%s' provided as argument is being ignored!\n",calname);
+				warning("Profile '%s' provided as argument is being ignored!",calname);
 				
 			/* Get the current displays profile */
 			debug2((errout,"Loading calibration from display profile '%s'\n",dw->name));
@@ -5974,7 +6473,7 @@ main(int argc, char *argv[]) {
 			is_ok_icc = 1;			/* The profile is OK */
 
 			if ((wo = (icmVideoCardGamma *)icco->read_tag(icco, icSigVideoCardGammaTag)) == NULL) {
-				warning("No vcgt tag found in profile - assuming linear\n");
+				warning("No vcgt tag found in profile - assuming linear");
 				for (i = 0; i < dw->r->nent; i++) {
 					iv = i/(dw->r->nent-1.0);
 					dw->r->v[0][i] = iv;
@@ -6008,7 +6507,7 @@ main(int argc, char *argv[]) {
 		} else {	/* See if it's a .cal file */
 			int ncal;
 			int ii, fi, ri, gi, bi;
-			double cal[3][256];
+			double cal[3][MAX_CAL_ENT];
 			int out_tvenc = 0;			/* nz to use (16-235)/255 video encoding */
 			
 			icco->del(icco);			/* Don't need these now */
@@ -6032,8 +6531,8 @@ main(int argc, char *argv[]) {
 			if ((ncal = ccg->t[0].nsets) <= 0)
 				error("No data in set of file '%s'",calname);
 		
-			if (ncal != 256)
-				error("Expect 256 data sets in file '%s'",calname);
+			if (ncal < 2 || ncal > MAX_CAL_ENT)
+				error("Data set size %d is out of range for '%s'",ncal,calname);
 		
 			if ((fi = ccg->find_kword(ccg, 0, "DEVICE_CLASS")) < 0)
 				error("Calibration file '%s' doesn't contain keyword COLOR_REP",calname);
diff --git a/spectro/dispwin.h b/spectro/dispwin.h
index b5e14ce..47fd256 100644
--- a/spectro/dispwin.h
+++ b/spectro/dispwin.h
@@ -73,11 +73,11 @@ WINSHLWAPI LPWSTR WINAPI PathFindFileNameW(LPCWSTR);
 
 #endif /* NT */
 
-#ifdef __APPLE__	/* Assume OS X Cocoa */
+#ifdef UNIX_APPLE	/* Assume OS X Cocoa */
 
 #include <Carbon/Carbon.h>		/* To declare CGDirectDisplayID  */
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 #include <X11/Xlib.h>
@@ -114,9 +114,9 @@ typedef struct {
 	char monid[128];	/* Monitor ID */
 	int prim;			/* NZ if primary display monitor */
 #endif /* NT */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	CGDirectDisplayID ddid;
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 #if defined(UNIX_X11)
 	int screen;				/* Screen to select */
 	int uscreen;			/* Underlying screen */
@@ -158,9 +158,17 @@ struct _ramdac {
 	/* Should have separate frame buffer depth + representation to account */
 	/* for floating point frame buffers, even though this isn't currently used. */
 
-	int pdepth;		/* Frame buffer depth into RAMDAC, usually 8 */
-	int nent;		/* Number of entries, =  2^pdepth */
-	double *v[3];	/* 2^pdepth entries for RGB, values 0.0 - 1.0 */
+	int fdepth;		/* Frame buffer depth, typically 8, could be more. */
+	int rdepth;		/* Expected ramdac index depth. May be different to fdepth */
+					/* if there is another level of mapping between the frame buffer */
+					/* and ramdac, i.e. X11 DirectorColor Colormap. */
+
+	int ndepth;		/* Actual ramdac depth, typically = rdepth */
+	int nent;		/* Number of entries, = 2^ndepth, typically = 2^rdepth, */
+					/* but may be different for some video cards. */
+					/* Will be 0 if ramdac is not accessible */
+					
+	double *v[3];	/* nent entries for RGB, values 0.0 - 1.0 */
 
 	/* Clone ourselves */
 	struct _ramdac *(*clone)(struct _ramdac *p);
@@ -255,12 +263,12 @@ struct _dispwin {
 
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	CGDirectDisplayID ddid;
 	void *osx_cntx;			/* OSX specific info */	
 	int btf;				/* Flag, nz if window has been brought to the front once */
 	int winclose;			/* Flag, set to nz if window was closed */
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 	Display *mydisplay;
@@ -271,6 +279,9 @@ struct _dispwin {
 	unsigned char *edid;	/* 128 or 256 bytes of monitor EDID, NULL if none */
 	int edid_len;			/* 128 or 256 */
 
+	int shift[3];			/* Bit shift to create RGB value from components */
+	int *rmap[3];			/* Map of fdepth to rdepth values */
+
 #if RANDR_MAJOR == 1 && RANDR_MINOR >= 2
 	/* Xrandr stuff - output is connected 1:1 to a display */
 	RRCrtc crtc;				/* Associated crtc */
@@ -308,10 +319,21 @@ struct _dispwin {
 	volatile int cberror;		/* NZ if error detected in a callback routine */
 	int ddebug;					/* >0 to print debug to stderr */
 
+	int warned;		/* Warning message has been issued */
+
 /* public: */
-	int pdepth;		/* Frame buffer plane depth of display */
-	int edepth;		/* Notional ramdac entry size in bits. (Bits actually used may be less) */
-					/* This is used to scale out_tvenc appropriately */
+	int fdepth;		/* Frame buffer depth, typically 8, could be more */
+	int rdepth;		/* Expected ramdac index depth. May be different to fdepth */
+					/* if there is another level of mapping between the frame buffer */
+					/* and ramdac, i.e. X11 DirectorColor Colormap. */
+
+	int ndepth;		/* Actual ramdac depth, typically = rdepth */
+	int nent;		/* Number of entries, = s^ndepth, typically = 2^rdepth, */
+					/* but may be different for some video cards. */
+					/* Will be 0 if ramdac is not accessible */
+					
+	int edepth;		/* Notional frame buffer/ramdac entry size in bits. (Bits actually used  */
+					/* may be less). This is just used to scale out_tvenc appropriately. */
 
 	/* Get RAMDAC values. ->del() when finished. */
 	/* Return NULL if not possible */
diff --git a/spectro/dtp20.c b/spectro/dtp20.c
index 6af2484..a125a53 100644
--- a/spectro/dtp20.c
+++ b/spectro/dtp20.c
@@ -72,6 +72,7 @@
 #include "conv.h"
 #include "icoms.h"
 #include "dtp20.h"
+#include "xrga.h"
 
 static inst_code dtp20_interp_code(inst *pp, int ec);
 static inst_code activate_mode(dtp20 *p);
@@ -345,12 +346,27 @@ dtp20_init_inst(inst *pp) {
 	dtp20 *p = (dtp20 *)pp;
 	char buf[MAX_MES_SIZE];
 	inst_code rv = inst_ok;
+	char *envv;
 
 	a1logd(p->log, 2, "dtp20_init_inst: called\n");
 
 	if (p->gotcoms == 0)
 		return inst_no_coms;		/* Must establish coms before calling init */
 
+
+	p->native_calstd = xcalstd_xrdi;
+	p->target_calstd = xcalstd_native;		/* Default to native calibration standard*/
+
+	/* Honour Environment override */
+	if ((envv = getenv("ARGYLL_XCALSTD")) != NULL) {
+		if (strcmp(envv, "XRGA") == 0)
+			p->target_calstd = xcalstd_xrga;
+		else if (strcmp(envv, "XRDI") == 0)
+			p->target_calstd = xcalstd_xrdi;
+		else if (strcmp(envv, "GMDI") == 0)
+			p->target_calstd = xcalstd_gmdi;
+	}
+
 	/* Reset it (without disconnecting USB or clearing stored data) */
 	if ((rv = dtp20_command(p, "0PR\r", buf, MAX_MES_SIZE, 2.0)) != inst_ok)
 		return rv;
@@ -534,7 +550,8 @@ ipatch *vals) {		/* Pointer to array of values */
 			tp += strlen(tp) + 1;
 		}
 
-		if (p->mode & inst_mode_spectral) {
+		if (p->mode & inst_mode_spectral
+		 || XCALSTD_NEEDED(p->target_calstd, p->native_calstd)) {
 
 			/* Gather the results in Spectral reflectance */
 			if ((ev = dtp20_command(p, "0318CF\r", buf, MAX_RD_SIZE, 0.5)) != inst_ok)
@@ -575,6 +592,11 @@ ipatch *vals) {		/* Pointer to array of values */
 	}
 
 	a1logv(p->log, 1, "All saved strips read\n");
+
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(vals, npatch, xcalstd_nonpol, p->target_calstd, p->native_calstd,
+	                    instClamp);
+
 	return inst_ok;
 }
 
@@ -762,7 +784,8 @@ ipatch *vals) {		/* Pointer to array of instrument patch values */
 
 	}
 
-	if (p->mode & inst_mode_spectral) {
+	if (p->mode & inst_mode_spectral
+	 || XCALSTD_NEEDED(p->target_calstd, p->native_calstd)) {
 
 		/* Gather the results in Spectral reflectance */
 		if ((ev = dtp20_command(p, "0318CF\r", buf, MAX_RD_SIZE, 0.5)) != inst_ok)
@@ -813,6 +836,11 @@ ipatch *vals) {		/* Pointer to array of instrument patch values */
 		}
 	}
 
+
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(vals, npatch, xcalstd_nonpol, p->target_calstd, p->native_calstd,
+	                    instClamp);
+
 	if (user_trig)
 		return inst_user_trig;
 	return inst_ok;
@@ -993,7 +1021,8 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	val->duration = 0.0;
 
 
-	if (p->mode & inst_mode_spectral) {
+	if (p->mode & inst_mode_spectral
+	 || XCALSTD_NEEDED(p->target_calstd, p->native_calstd)) {
 		int j;
 
 		/* Set to read spectral reflectance */
@@ -1051,6 +1080,9 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		}
 	}
 
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(val, 1, xcalstd_nonpol, p->target_calstd, p->native_calstd, clamp);
+
 	if (user_trig)
 		return inst_user_trig;
 	return inst_ok;
@@ -1086,6 +1118,7 @@ static inst_code dtp20_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	dtp20 *p = (dtp20 *)pp;
@@ -1098,6 +1131,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = dtp20_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -1136,6 +1170,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 				;
 			*cp = '\000';
 			strcpy(id, buf);
+			*idtype = inst_calc_id_ref_sn;
 			*calc = inst_calc_man_ref_white;
 			return inst_cal_setup;
 		}
@@ -1686,7 +1721,7 @@ inst_opt_type m,	/* Requested status type */
 	}
 
 	/* !! It's not clear if there is a way of knowing */
-	/* whether the instrument has a UV filter. */
+	/* whether the instrument has a UV filter !! */
 
 	/* Use default implementation of other inst_opt_type's */
 	{
diff --git a/spectro/dtp20.h b/spectro/dtp20.h
index c575c67..a8b6862 100644
--- a/spectro/dtp20.h
+++ b/spectro/dtp20.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Fake Error codes */
 #define DTP20_INTERNAL_ERROR			0x81			/* Internal software error */
 #define DTP20_COMS_FAIL					0x82			/* Communication failure */
@@ -128,12 +132,17 @@ struct _dtp20 {
 
 	int savix;					/* Index of last saved spot reading read */
 
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+	xcalstd target_calstd;		/* Returned calibration standard */
+
 }; typedef struct _dtp20 dtp20;
 
 /* Constructor */
 extern dtp20 *new_dtp20(icoms *icom, instType itype);
 
-
+#ifdef __cplusplus
+	}
+#endif
 
 #define DTP20_H
 #endif /* DTP20_H */
diff --git a/spectro/dtp22.c b/spectro/dtp22.c
index 2cb3634..37249f0 100644
--- a/spectro/dtp22.c
+++ b/spectro/dtp22.c
@@ -32,6 +32,11 @@
    and agreed to support.
  */
 
+/*
+   Would like to add a thread to return status of
+   switch, so that we can fully run this in progromatic trigger mode.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <ctype.h>
@@ -51,6 +56,7 @@
 #include "conv.h"
 #include "icoms.h"
 #include "dtp22.h"
+#include "xrga.h"
 
 /* Default flow control (Instrument doesn't support HW flow control) */
 #define DEFFC fc_XonXOff
@@ -186,7 +192,7 @@ dtp22_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	} else if (fc == fc_Hardware) {
 		fcc = "0104CF\r";
 	} else {
-		fc = fc_none;
+		fc = fc_None;
 		fcc = "0004CF\r";
 	}
 
@@ -209,40 +215,37 @@ dtp22_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	/* The tick to give up on */
 	etime = msec_time() + (long)(1000.0 * tout + 0.5);
 
-	while (msec_time() < etime) {
 
-		a1logd(p->log, 4, "dtp22_init_coms: Trying different baud rates (%u msec to go)\n",
-		                                                              etime - msec_time());
-
-		/* Until we time out, find the correct baud rate */
-		for (i = ci; msec_time() < etime;) {
+	/* Until we time out, find the correct baud rate */
+	for (i = ci; msec_time() < etime;) {
+	
+		a1logd(p->log, 4, "dtp22_init_coms: Trying %s baud, %d msec to go\n",
+			                      baud_rate_to_str(brt[i]), etime- msec_time());
 
-			if ((se = p->icom->set_ser_port(p->icom, fc_none, brt[i], parity_none,
-			                                                 stop_1, length_8)) != ICOM_OK) { 
-				a1logd(p->log, 1, "dtp22_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
-				return dtp22_interp_code((inst *)p, icoms2dtp22_err(se));
-			}
-			if (((ev = dtp22_command(p, "\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
-				                                                 != inst_coms_fail)
-				break;		/* We've got coms */
-
-			/* Check for user abort */
-			if (p->uicallback != NULL) {
-				inst_code ev;
-				if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
-					a1logd(p->log, 1, "dtp22_init_coms: user aborted\n");
-					return ev;
-				}
+		if ((se = p->icom->set_ser_port(p->icom, fc_None, brt[i], parity_none,
+		                                                 stop_1, length_8)) != ICOM_OK) { 
+			a1logd(p->log, 1, "dtp22_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
+			return dtp22_interp_code((inst *)p, icoms2dtp22_err(se));
+		}
+		if (((ev = dtp22_command(p, "\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
+			                                                 != inst_coms_fail)
+			goto got_coms;		/* We've got coms or user abort */
+
+		/* Check for user abort */
+		if (p->uicallback != NULL) {
+			inst_code ev;
+			if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
+				a1logd(p->log, 1, "dtp22_init_coms: user aborted\n");
+				return ev;
 			}
-			if (++i >= 5)
-				i = 0;
 		}
-		break;		/* Got coms */
+		if (++i >= 5)
+			i = 0;
 	}
+	/* We haven't established comms */
+	return inst_coms_fail;
 
-	if (msec_time() >= etime) {		/* We haven't established comms */
-		return inst_coms_fail;
-	}
+  got_coms:;
 
 	/* Set the handshaking */
 	if ((ev = dtp22_command(p, fcc, buf, MAX_MES_SIZE, 0.2)) != inst_ok)
@@ -287,6 +290,7 @@ dtp22_init_inst(inst *pp) {
 	dtp22 *p = (dtp22 *)pp;
 	char buf[MAX_MES_SIZE], *bp;
 	inst_code ev = inst_ok;
+	char *envv;
 	int i;
 
 	a1logd(p->log, 2, "dtp22_init_inst: called\n");
@@ -294,6 +298,19 @@ dtp22_init_inst(inst *pp) {
 	if (p->gotcoms == 0)
 		return inst_internal_error;		/* Must establish coms before calling init */
 
+	p->native_calstd = xcalstd_xrdi;
+	p->target_calstd = xcalstd_native;		/* Default to native calibration standard*/
+
+	/* Honour Environment override */
+	if ((envv = getenv("ARGYLL_XCALSTD")) != NULL) {
+		if (strcmp(envv, "XRGA") == 0)
+			p->target_calstd = xcalstd_xrga;
+		else if (strcmp(envv, "XRDI") == 0)
+			p->target_calstd = xcalstd_xrdi;
+		else if (strcmp(envv, "GMDI") == 0)
+			p->target_calstd = xcalstd_gmdi;
+	}
+
 	/* Warm reset it */
 	if ((ev = dtp22_command(p, "0PR\r", buf, MAX_MES_SIZE, 2.0)) != inst_ok)
 		return ev;
@@ -333,7 +350,7 @@ dtp22_init_inst(inst *pp) {
 
 	/* - - - - - - - - - - - - - - - - - - - - - - - - */
 	/* Get some information about the instrument */
-	if ((ev = dtp22_command(p, "GI\r", buf, MAX_MES_SIZE, 0.2)) != inst_ok) {
+	if ((ev = dtp22_command(p, "GI\r", buf, MAX_MES_SIZE, 0.5)) != inst_ok) {
 		a1logd(p->log, 1, "dtp22: GI command failed with ICOM err 0x%x\n",ev);
 		return ev;
 	}
@@ -577,7 +594,8 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	val->sp.spec_n = 0;
 	val->duration = 0.0;
 
-	if (p->mode & inst_mode_spectral) {
+	if (p->mode & inst_mode_spectral
+	 || XCALSTD_NEEDED(p->target_calstd, p->native_calstd)) {
 		int j;
 		char *fmt;
 
@@ -605,6 +623,9 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		val->sp.norm = 100.0;
 	}
 
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(val, 1, xcalstd_nonpol, p->target_calstd, p->native_calstd, clamp);
+
 	if (user_trig)
 		return inst_user_trig;
 	return inst_ok;
@@ -640,6 +661,7 @@ inst_code dtp22_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	dtp22 *p = (dtp22 *)pp;
@@ -654,6 +676,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = dtp22_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -683,7 +706,8 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 
 	if (*calt & inst_calt_ref_white) {		/* White calibration */
 
-		sprintf(id, "Serial no. %d",p->plaqueno);
+		*idtype = inst_calc_id_ref_sn;
+		sprintf(id, "%d",p->plaqueno);
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_ref_whitek) {
 			*calc = inst_calc_man_ref_whitek;
 			ev = inst_cal_setup;
@@ -1046,6 +1070,37 @@ dtp22_get_set_opt(inst *pp, inst_opt_type m, ...)
 {
 	dtp22 *p = (dtp22 *)pp;
 
+	/* Set xcalstd */
+	if (m == inst_opt_set_xcalstd) {
+		xcalstd standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd);
+		va_end(args);
+
+		p->target_calstd = standard;
+
+		return inst_ok;
+	}
+
+	/* Get the current effective xcalstd */
+	if (m == inst_opt_get_xcalstd) {
+		xcalstd *standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd *);
+		va_end(args);
+
+		if (p->target_calstd == xcalstd_native)
+			*standard = p->native_calstd;		/* If not overridden */
+		else
+			*standard = p->target_calstd;		/* Overidden std. */
+
+		return inst_ok;
+	}
+
 	/* Record the trigger mode */
 	if (m == inst_opt_trig_prog
 	 || m == inst_opt_trig_user
@@ -1054,7 +1109,17 @@ dtp22_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/dtp22.h b/spectro/dtp22.h
index 95dce16..af565e8 100644
--- a/spectro/dtp22.h
+++ b/spectro/dtp22.h
@@ -35,6 +35,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update dtp22_interp_error() and dtp22_interp_code() in dtp22.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -95,11 +99,17 @@ struct _dtp22 {
 	int noutocalib;				/* Don't mode change or auto calibrate */
 	inst_opt_type trig;			/* Reading trigger mode */
 
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+	xcalstd target_calstd;		/* Returned calibration standard */
+
 	}; typedef struct _dtp22 dtp22;
 
 /* Constructor */
 extern dtp22 *new_dtp22(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define DTP22_H
 #endif /* DTP22_H */
diff --git a/spectro/dtp41.c b/spectro/dtp41.c
index 44ac6c6..97a3db1 100644
--- a/spectro/dtp41.c
+++ b/spectro/dtp41.c
@@ -53,6 +53,7 @@
 #include "conv.h"
 #include "icoms.h"
 #include "dtp41.h"
+#include "xrga.h"
 
 /* Default flow control */
 #define DEFFC fc_XonXOff
@@ -169,7 +170,7 @@ dtp41_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	} else if (fc == fc_Hardware) {
 		fcc = "0104CF\r";
 	} else {
-		fc = fc_none;
+		fc = fc_None;
 		fcc = "0004CF\r";
 	}
 
@@ -192,36 +193,35 @@ dtp41_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	/* The tick to give up on */
 	etime = msec_time() + (long)(1000.0 * tout + 0.5);
 
-	while (msec_time() < etime) {
+	/* Until we time out, find the correct baud rate */
+	for (i = ci; msec_time() < etime;) {
+		a1logd(p->log, 4, "dtp41_init_coms: Trying %s baud, %d msec to go\n",
+			                      baud_rate_to_str(brt[i]), etime- msec_time());
+		if ((se = p->icom->set_ser_port(p->icom, fc_None, brt[i], parity_none,
+			                                    stop_1, length_8)) != ICOM_OK) { 
+			a1logd(p->log, 1, "dtp41_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
+			return dtp41_interp_code((inst *)p, icoms2dtp41_err(se));
+		}
+		if (((ev = dtp41_command(p, "\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
+			                                                 != inst_coms_fail)
+			goto got_coms;		/* We've got coms or user abort */
 
-		/* Until we time out, find the correct baud rate */
-		for (i = ci; msec_time() < etime;) {
-			if ((se = p->icom->set_ser_port(p->icom, fc_none, brt[i], parity_none,
-				                                    stop_1, length_8)) != ICOM_OK) { 
-				a1logd(p->log, 1, "dtp41_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
-				return dtp41_interp_code((inst *)p, icoms2dtp41_err(se));
-			}
-			if (((ev = dtp41_command(p, "\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
-				                                                 != inst_coms_fail)
-				break;		/* We've got coms */
-
-			/* Check for user abort */
-			if (p->uicallback != NULL) {
-				inst_code ev;
-				if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
-					a1logd(p->log, 1, "dtp41_init_coms: user aborted\n");
-					return inst_user_abort;
-				}
+
+		/* Check for user abort */
+		if (p->uicallback != NULL) {
+			inst_code ev;
+			if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
+				a1logd(p->log, 1, "dtp41_init_coms: user aborted\n");
+				return inst_user_abort;
 			}
-			if (++i >= 9)
-				i = 0;
 		}
-		break;		/* Got coms */
+		if (++i >= 9)
+			i = 0;
 	}
+	/* We haven't established comms */
+	return inst_coms_fail;
 
-	if (msec_time() >= etime) {		/* We haven't established comms */
-		return inst_coms_fail;
-	}
+  got_coms:;
 
 	/* set the protocol to RCI */
 	if ((ev = dtp41_command(p, "0012CF\r", buf, MAX_MES_SIZE, 1.5)) != inst_ok)
@@ -319,6 +319,7 @@ static inst_code
 dtp41_init_inst(inst *pp) {
 	dtp41 *p = (dtp41 *)pp;
 	static char tbuf[100], buf[MAX_MES_SIZE];
+	char *envv;
 	inst_code ev = inst_ok;
 
 	a1logd(p->log, 2, "dtp41_init_inst: called\n");
@@ -326,6 +327,19 @@ dtp41_init_inst(inst *pp) {
 	if (p->gotcoms == 0)
 		return inst_internal_error;		/* Must establish coms before calling init */
 
+	p->native_calstd = xcalstd_xrdi;
+	p->target_calstd = xcalstd_native;		/* Default to native calibration standard*/
+
+	/* Honour Environment override */
+	if ((envv = getenv("ARGYLL_XCALSTD")) != NULL) {
+		if (strcmp(envv, "XRGA") == 0)
+			p->target_calstd = xcalstd_xrga;
+		else if (strcmp(envv, "XRDI") == 0)
+			p->target_calstd = xcalstd_xrdi;
+		else if (strcmp(envv, "GMDI") == 0)
+			p->target_calstd = xcalstd_gmdi;
+	}
+
 	/* Resetting instrument resets the baud rate, so do manual reset. */
 
 	/* Set emulation mode to DTP41 */
@@ -603,7 +617,9 @@ ipatch *vals) {		/* Pointer to array of instrument patch values */
 		tp += strlen(tp) + 1;
 	}
 
-	if (p->mode & inst_mode_spectral) {
+	if (p->mode & inst_mode_spectral
+	 || (XCALSTD_NEEDED(p->target_calstd, p->native_calstd)
+		&& ((p->mode & inst_mode_illum_mask) != inst_mode_transmission))) {
 
 		/* Gather the results in Spectral reflectance */
 		if ((ev = dtp41_command(p, "0403TS\r", buf, MAX_RD_SIZE, 0.5 + npatch * 0.1)) != inst_ok)
@@ -639,6 +655,11 @@ ipatch *vals) {		/* Pointer to array of instrument patch values */
 			tp += strlen(tp) + 1;
 		}
 	}
+
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(vals, npatch, xcalstd_nonpol, p->target_calstd, p->native_calstd,
+	                    instClamp);
+
 	if (user_trig)
 		return inst_user_trig;
 	return inst_ok;
@@ -790,7 +811,9 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	val->sp.spec_n = 0;
 	val->duration = 0.0;
 
-	if (p->mode & inst_mode_spectral) {
+	if (p->mode & inst_mode_spectral
+	 || (XCALSTD_NEEDED(p->target_calstd, p->native_calstd)
+		&& ((p->mode & inst_mode_illum_mask) != inst_mode_transmission))) {
 		int j;
 
 		/* Gather the results in Spectral reflectance */
@@ -840,6 +863,9 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	if ((ev = dtp41_command(p, "0113CF\r", buf, MAX_MES_SIZE, 1.5)) != inst_ok)
 		return ev;
 
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(val, 1, xcalstd_nonpol, p->target_calstd, p->native_calstd, clamp);
+
 	if (user_trig)
 		return inst_user_trig;
 	return inst_ok;
@@ -881,6 +907,7 @@ inst_code dtp41_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	dtp41 *p = (dtp41 *)pp;
@@ -892,6 +919,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = dtp41_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -919,7 +947,6 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 		return inst_unsupported;
 	}
 
-
 	if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission) {
 		if (*calt & inst_calt_trans_white) {
 
@@ -1236,6 +1263,37 @@ dtp41_get_set_opt(inst *pp, inst_opt_type m, ...)
 	inst_code rv = inst_ok;
 	static char buf[MAX_MES_SIZE];
 
+	/* Set xcalstd */
+	if (m == inst_opt_set_xcalstd) {
+		xcalstd standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd);
+		va_end(args);
+
+		p->target_calstd = standard;
+
+		return inst_ok;
+	}
+
+	/* Get the current effective xcalstd */
+	if (m == inst_opt_get_xcalstd) {
+		xcalstd *standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd *);
+		va_end(args);
+
+		if (p->target_calstd == xcalstd_native)
+			*standard = p->native_calstd;		/* If not overridden */
+		else
+			*standard = p->target_calstd;		/* Overidden std. */
+
+		return inst_ok;
+	}
+
 	if (!p->gotcoms)
 		return inst_no_coms;
 	if (!p->inited)
@@ -1259,7 +1317,17 @@ dtp41_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/dtp41.h b/spectro/dtp41.h
index 529f94c..018ed5c 100644
--- a/spectro/dtp41.h
+++ b/spectro/dtp41.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Fake Error codes */
 #define DTP41_INTERNAL_ERROR		0x61			/* Internal software error */
 #define DTP41_COMS_FAIL				0x62			/* Communication failure */
@@ -101,10 +105,17 @@ struct _dtp41 {
 	int need_cal;				/* needs calibration */
 	inst_opt_type trig;			/* Reading trigger mode */
 	
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+	xcalstd target_calstd;		/* Returned calibration standard */
+
 	}; typedef struct _dtp41 dtp41;
 
 /* Constructor */
 extern dtp41 *new_dtp41(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define DTP41_H
 #endif /* DTP41_H */
diff --git a/spectro/dtp51.c b/spectro/dtp51.c
index ab1999d..0b2ecab 100644
--- a/spectro/dtp51.c
+++ b/spectro/dtp51.c
@@ -202,7 +202,7 @@ dtp51_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	} else if (fc == fc_Hardware) {
 		fcc = "0104CF\r";
 	} else {
-		fc = fc_none;
+		fc = fc_None;
 		fcc = "0004CF\r";
 	}
 
@@ -225,37 +225,36 @@ dtp51_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	/* The tick to give up on */
 	etime = msec_time() + (long)(1000.0 * tout + 0.5);
 
-	while (msec_time() < etime) {
-
-		/* Until we time out, find the correct baud rate */
-		for (i = ci; msec_time() < etime;) {
-			if ((se = p->icom->set_ser_port(p->icom, fc_none, brt[i], parity_none,
-				                                    stop_1, length_8)) != ICOM_OK) { 
-				a1logd(p->log, 1, "dtp51_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
-				return dtp51_interp_code((inst *)p, icoms2dtp51_err(se));
-			}
+	/* Until we time out, find the correct baud rate */
+	for (i = ci; msec_time() < etime;) {
+		a1logd(p->log, 4, "dtp51_init_coms: Trying %s baud, %d msec to go\n",
+			                      baud_rate_to_str(brt[i]), etime- msec_time());
+		if ((se = p->icom->set_ser_port(p->icom, fc_None, brt[i], parity_none,
+			                                    stop_1, length_8)) != ICOM_OK) { 
+			a1logd(p->log, 1, "dtp51_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
+			return dtp51_interp_code((inst *)p, icoms2dtp51_err(se));
+		}
 
-			if (((ev = dtp51_command(p, "\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
-				                                                 != inst_coms_fail)
-				break;		/* We've got coms */
+		if (((ev = dtp51_command(p, "\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
+			                                                 != inst_coms_fail)
+			goto got_coms;		/* We've got coms or user abort */
 
-			/* Check for user abort */
-			if (p->uicallback != NULL) {
-				inst_code ev;
-				if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
-					a1logd(p->log, 1, "dtp22_init_coms: user aborted\n");
-					return inst_user_abort;
-				}
+		/* Check for user abort */
+		if (p->uicallback != NULL) {
+			inst_code ev;
+			if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
+				a1logd(p->log, 1, "dtp22_init_coms: user aborted\n");
+				return inst_user_abort;
 			}
-			if (++i >= 5)
-				i = 0;
 		}
-		break;		/* Got coms */
+		if (++i >= 5)
+			i = 0;
 	}
 
-	if (msec_time() >= etime) {		/* We haven't established comms */
-		return inst_coms_fail;
-	}
+	/* We haven't established comms */
+	return inst_coms_fail;
+
+  got_coms:;
 
 	/* Set the handshaking */
 	if ((ev = dtp51_command(p, fcc, buf, MAX_MES_SIZE, 1.5)) != inst_ok)
@@ -595,6 +594,7 @@ inst_code dtp51_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	dtp51 *p = (dtp51 *)pp;
@@ -606,6 +606,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = dtp51_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -857,8 +858,7 @@ inst_code dtp51_set_mode(inst *pp, inst_mode m) {
  * was assume that all of these can be done before initialisation.
  */
 static inst_code
-dtp51_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+dtp51_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	dtp51 *p = (dtp51 *)pp;
 	static char buf[MAX_MES_SIZE];
 
@@ -868,7 +868,31 @@ dtp51_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	return inst_unsupported;
+	/* Get the current effective xcalstd */
+	if (m == inst_opt_get_xcalstd) {
+		xcalstd *standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd *);
+		va_end(args);
+
+		*standard = p->native_calstd;
+
+		return inst_ok;
+	}
+
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
@@ -896,5 +920,7 @@ extern dtp51 *new_dtp51(icoms *icom, instType itype) {
 	p->icom = icom;
 	p->itype = itype;
 
+	p->native_calstd = xcalstd_xrdi;		/* Not alterable */
+
 	return p;
 }
diff --git a/spectro/dtp51.h b/spectro/dtp51.h
index 329c5d6..804b8ae 100644
--- a/spectro/dtp51.h
+++ b/spectro/dtp51.h
@@ -35,6 +35,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Fake Error codes */
 #define DTP51_INTERNAL_ERROR		0x61			/* Internal software error */
 #define DTP51_COMS_FAIL				0x62			/* Communication failure */
@@ -91,12 +95,16 @@ struct _dtp51 {
 	int need_cal;				/* needs calibration */
 	inst_opt_type trig;			/* Reading trigger mode */
 	
-	}; typedef struct _dtp51 dtp51;
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+
+}; typedef struct _dtp51 dtp51;
 
 /* Constructor */
 extern dtp51 *new_dtp51(icoms *icom, instType itype);
 
-
+#ifdef __cplusplus
+	}
+#endif
 
 #define DTP51_H
 #endif /* DTP51_H */
diff --git a/spectro/dtp92.c b/spectro/dtp92.c
index 3b6dacd..33b8fa0 100644
--- a/spectro/dtp92.c
+++ b/spectro/dtp92.c
@@ -58,7 +58,7 @@
 #include "dtp92.h"
 
 /* Default flow control */
-#define DEFFC fc_none
+#define DEFFC fc_None
 
 #define DEF_TIMEOUT 0.5
 #define MED_TIMEOUT 2.5
@@ -147,7 +147,8 @@ dtp92_fcommand(
 	                                          icoms_fix(in), icoms_fix(out),rv);
 
 #ifdef IGNORE_NEEDS_OFFSET_DRIFT_CAL_ERR
-	if (strcmp(in, "0PR\r") == 0 && rv == DTP92_NEEDS_OFFSET_DRIFT_CAL) {
+	if ((strcmp(in, "0PR\r") == 0 
+	  || strcmp(in, "EFC\r") == 0) && rv == DTP92_NEEDS_OFFSET_DRIFT_CAL) {
 		static int warned = 0;
 		if (!warned) {
 			a1logw(p->log,"dtp92: Got error NEEDS_OFFSET_DRIFT_CAL on instrument reset - being ignored.");
@@ -239,7 +240,7 @@ dtp92_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		} else if (fc == fc_Hardware) {
 			fcc = "0104CF\r";
 		} else {
-			fc = fc_none;
+			fc = fc_None;
 			fcc = "0004CF\r";
 		}
 
@@ -262,41 +263,42 @@ dtp92_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		/* The tick to give up on */
 		etime = msec_time() + (long)(1000.0 * tout + 0.5);
 
-		while (msec_time() < etime) {
+		/* Until we time out, find the correct baud rate */
+		for (i = ci; msec_time() < etime;) {
+			a1logd(p->log, 4, "dtp92_init_coms: Trying %s baud, %d msec to go\n",
+			                      baud_rate_to_str(brt[i]), etime- msec_time());
+			if ((se = p->icom->set_ser_port(p->icom, fc_None, brt[i], parity_none,
+				                                    stop_1, length_8)) != ICOM_OK) { 
+				a1logd(p->log, 1, "dtp92_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
+				return dtp92_interp_code((inst *)p, icoms2dtp92_err(se));
+			}
 
-			a1logd(p->log, 4, "dtp92_init_coms: Trying different baud rates (%u msec to go)\n",
-                                                              etime - msec_time());
+			/* Throw one response away, to work around some USB<->Serial quirks */
+			p->icom->write_read(p->icom, "\r", 0, buf, MAX_MES_SIZE, NULL, ">", 1, 0.1);
 
-			/* Until we time out, find the correct baud rate */
-			for (i = ci; msec_time() < etime;) {
-				if ((se = p->icom->set_ser_port(p->icom, fc_none, brt[i], parity_none,
-					                                    stop_1, length_8)) != ICOM_OK) { 
-					a1logd(p->log, 1, "dtp92_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
-					return dtp92_interp_code((inst *)p, icoms2dtp92_err(se));
-				}
+			if (((ev = dtp92_command(p, "\r", buf, MAX_MES_SIZE, DEF_TIMEOUT)) & inst_mask)
+				                                                 != inst_coms_fail)
+				goto got_coms;		/* We've got coms or user abort */
 
-				if (((ev = dtp92_command(p, "\r", buf, MAX_MES_SIZE, DEF_TIMEOUT)) & inst_mask)
-					                                                 != inst_coms_fail)
-					break;		/* We've got coms or user abort */
-
-				/* Check for user abort */
-				if (p->uicallback != NULL) {
-					inst_code ev;
-					if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
-						a1logd(p->log, 1, "dtp92_init_coms: user aborted\n");
-						return inst_user_abort;
-					}
+			/* Check for user abort */
+			if (p->uicallback != NULL) {
+				inst_code ev;
+				if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
+					a1logd(p->log, 1, "dtp92_init_coms: user aborted\n");
+					return inst_user_abort;
 				}
-	
-				if (++i >= 5)
-					i = 0;
 			}
-			break;		/* Got coms */
-		}
 
-		if (msec_time() >= etime) {		/* We haven't established comms */
-			return inst_coms_fail;
+			if (++i >= 5)
+				i = 0;
 		}
+		/* We haven't established comms */
+		return inst_coms_fail;
+
+  got_coms:;
+
+		/* Throw one response away, to work around some USB<->Serial quirks */
+		p->icom->write_read(p->icom, "\r", 0, buf, MAX_MES_SIZE, NULL, ">", 1, 0.1);
 
 		/* Set the handshaking */
 		if ((ev = dtp92_command(p, fcc, buf, MAX_MES_SIZE, DEF_TIMEOUT)) != inst_ok)
@@ -317,6 +319,7 @@ dtp92_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 
 		/* Loose a character (not sure why) */
 		p->icom->write_read(p->icom, "\r", 0, buf, MAX_MES_SIZE, NULL, ">", 1, 0.1);
+
 #else	/* !ENABLE_SERIAL */
 		a1logd(p->log, 1, "dtp92: Failed to find serial connection to instrument\n");
 		return inst_coms_fail;
@@ -621,6 +624,14 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		if (sscanf(buf, " X%*c %lf\t Y%*c %lf\t Z%*c %lf ",
 	           &val->XYZ[0], &val->XYZ[1], &val->XYZ[2]) == 3) {
 
+			/* Hmm. The DTP92 seems to return strange X & Z values if the light */
+			/* level is zero, and it's black level is out of calibration */
+			/* (i.e. internally it has -ve Y ?) */
+			if (val->XYZ[1] == 0.0 && val->XYZ[0] == 999.99)
+				val->XYZ[0] = 0.0;
+			if (val->XYZ[1] == 0.0 && val->XYZ[2] == 999.99)
+				val->XYZ[2] = 0.0;
+
 			/* Apply the colorimeter correction matrix */
 			icmMulBy3x3(val->XYZ, p->ccmat, val->XYZ);
 
@@ -778,6 +789,7 @@ static inst_code dtp92_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	dtp92 *p = (dtp92 *)pp;
@@ -790,6 +802,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = dtp92_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -1356,8 +1369,7 @@ int *cbid) {
  * error if it hasn't been initialised.
  */
 static inst_code
-dtp92_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+dtp92_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	dtp92 *p = (dtp92 *)pp;
 	char buf[MAX_MES_SIZE];
 	inst_code ev = inst_ok;
@@ -1369,12 +1381,17 @@ dtp92_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	if (!p->gotcoms)
-		return inst_no_coms;
-	if (!p->inited)
-		return inst_no_init;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
 
-	return inst_unsupported;
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/dtp92.h b/spectro/dtp92.h
index 317fb7a..8a6885e 100644
--- a/spectro/dtp92.h
+++ b/spectro/dtp92.h
@@ -35,6 +35,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update dtp92_interp_error() and dtp92_interp_code() in dtp92.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -100,6 +104,9 @@ struct _dtp92 {
 /* Constructor */
 extern dtp92 *new_dtp92(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define DTP92_H
 #endif /* DTP92_H */
diff --git a/spectro/ex1.c b/spectro/ex1.c
index b336cbc..5f4eae2 100644
--- a/spectro/ex1.c
+++ b/spectro/ex1.c
@@ -328,7 +328,9 @@ ex1_init_inst(inst *pp) {
 //printf("~1 raw range = %d - %d\n",sconf->rawrange.off, sconf->rawrange.off + sconf->rawrange.num-1);
 //printf("~1 = %f - %f nm\n",rspec_raw2nm(sconf, sconf->rawrange.off), rspec_raw2nm(sconf, sconf->rawrange.off + sconf->rawrange.num-1));
 
-	sconf->ktype = rspec_gausian;
+	sconf->ktype = rspec_gausian;			/* Default */
+//	sconf->ktype = rspec_lanczos2;
+//	sconf->ktype = rspec_lanczos3;
 //	sconf->ktype = rspec_triangle;
 //	sconf->ktype = rspec_cubicspline;
 	sconf->wl_space = 2.0;
@@ -702,6 +704,7 @@ inst_code ex1_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	ex1 *p = (ex1 *)pp;
@@ -1160,8 +1163,7 @@ static void ex1_set_noinitcalib(ex1 *p, int v, int losecs) {
  * error if it hasn't been initialised.
  */
 static inst_code
-ex1_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+ex1_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	ex1 *p = (ex1 *)pp;
 	inst_code ev = inst_ok;
 
@@ -1194,7 +1196,17 @@ ex1_get_set_opt(inst *pp, inst_opt_type m, ...)
 	if (!p->inited)
 		return inst_no_init;
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/ex1.h b/spectro/ex1.h
index d69b7ca..a278777 100644
--- a/spectro/ex1.h
+++ b/spectro/ex1.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Communication errors */
 #define EX1_TIMEOUT				    0xFF02		/* Communication timeout */
 #define EX1_COMS_FAIL				0xFF03		/* Communication failure */
@@ -143,6 +147,9 @@ struct _ex1 {
 /* Constructor */
 extern ex1 *new_ex1(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define EX1_H
 #endif /* EX1_H */
diff --git a/spectro/hcfr.c b/spectro/hcfr.c
index a6c457e..22b5170 100644
--- a/spectro/hcfr.c
+++ b/spectro/hcfr.c
@@ -366,7 +366,7 @@ hcfr_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	inst_code ev = inst_ok;
 	icomuflags usbflags = icomuf_no_open_clear | icomuf_detach;
 
-#if defined(__APPLE__) && !defined(__ppc__)
+#if defined(UNIX_APPLE) && !defined(__ppc__)
 	/* Except on Intel OS X 10.4/5 for some reasone. */
 	/* It would be good if the HCFR had a better USB implementation... */
 	usbflags &= ~icomuf_no_open_clear;
@@ -919,7 +919,17 @@ hcfr_get_set_opt(inst *pp, inst_opt_type m, ...) {
 		return inst_ok;
 	}
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/hcfr.h b/spectro/hcfr.h
index 8910cec..2420fdf 100644
--- a/spectro/hcfr.h
+++ b/spectro/hcfr.h
@@ -35,11 +35,14 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Required minimum firmware version */
 #define HCFR_FIRMWARE_MAJOR_VERSION	5
 #define HCFR_FIRMWARE_MINOR_VERSION	0
 
-
 /* Command byte contents. (A value of 0x00 won't be tranmsitted properly) */
 /* 0xff = get firmware version */
 
@@ -99,6 +102,9 @@ struct _hcfr {
 /* Constructor */
 extern hcfr *new_hcfr(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define HCFR_H
 #endif /* HCFR_H */
diff --git a/spectro/hidio.c b/spectro/hidio.c
index c930755..2d8649f 100644
--- a/spectro/hidio.c
+++ b/spectro/hidio.c
@@ -178,7 +178,7 @@ int hid_get_paths(icompaths *p) {
 		pdidd->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
 		dinfod.cbSize = sizeof(SP_DEVINFO_DATA);
 		for (i = 0; ; i++) {
-			instType itype;
+			devType itype;
 
 			if (SetupDiEnumDeviceInterfaces(hdinfo, NULL, &HidGuid, i, &did) == 0) {
 				if (GetLastError() == ERROR_NO_MORE_ITEMS) {
@@ -269,7 +269,7 @@ int hid_get_paths(icompaths *p) {
 	}
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	{
 		CFAllocatorContext alocctx;
@@ -308,7 +308,7 @@ int hid_get_paths(icompaths *p) {
 			CFNumberRef vref, pref;					/* HID Vendor and Product ID propeties */
 			CFNumberRef lidpref;					/* Location ID properties */
 			unsigned int vid = 0, pid = 0, lid = 0;
-			instType itype;
+			devType itype;
 			IOHIDDeviceRef ioob = values[i];		/* HID object found */
 
         	if ((vref = IOHIDDeviceGetProperty(ioob, CFSTR(kIOHIDVendorIDKey))) != NULL) {
@@ -376,7 +376,7 @@ int hid_get_paths(icompaths *p) {
 			CFNumberRef vref, pref;					/* HID Vendor and Product ID propeties */
 			CFNumberRef lidpref;					/* Location ID properties */
 			unsigned int vid = 0, pid = 0, lid = 0;
-			instType itype;
+			devType itype;
 
 		    if ((ioob = IOIteratorNext(mit)) == 0)
 				break;
@@ -426,7 +426,7 @@ int hid_get_paths(icompaths *p) {
 	    IOObjectRelease(mit);			/* Release the itterator */
 	}
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 
@@ -483,14 +483,14 @@ int hid_get_paths(icompaths *p) {
 #endif /* NEVER */
 #endif /* UNIX_X11 */
 
-	a1logd(p->log, 8, "icoms_get_paths: returning %d paths and ICOM_OK\n",p->npaths);
+	a1logd(p->log, 8, "icoms_get_paths: returning %d paths and ICOM_OK\n",p->ndpaths[dtix_combined]);
 
 	return ICOM_OK;
 }
 
 /*  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 
 /* HID Interrupt callback for OS X */
 /* This seems to only get called when the run loop is active. */
@@ -516,7 +516,7 @@ UInt32 size
 		a1logd(p->log, 8, "HID callback has no run loop\n");
 }
 
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 /*  - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
 
@@ -571,7 +571,7 @@ char **pnames			/* List of process names to try and kill before opening */
 		}
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 		{
 			/* Open the device */
@@ -644,7 +644,7 @@ char **pnames			/* List of process names to try and kill before opening */
 			}
 		}
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 		p->is_open = 1;
 		a1logd(p->log, 8, "hid_open_port: HID port is now open\n");
@@ -669,7 +669,7 @@ void hid_close_port(icoms *p) {
 		CloseHandle(p->hidd->fh);
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 		if (IOHIDDeviceClose(p->hidd->ioob, kIOHIDOptionsTypeNone) != kIOReturnSuccess) {
 			a1loge(p->log, ICOM_SYS, "hid_close_port: closing HID port '%s' failed",p->name);
@@ -701,7 +701,7 @@ void hid_close_port(icoms *p) {
 		}
 		p->hidd->device = NULL;
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 		p->is_open = 0;
 		a1logd(p->log, 8, "hid_close_port: has been released and closed\n");
@@ -770,7 +770,7 @@ icoms_hid_read(icoms *p,
 	}
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	{
 		IOReturn result;
@@ -899,7 +899,7 @@ printf("~1 IOHIDDeviceGet returned 0x%x\n",result);
 	}
 #endif	// NEVER
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 	if (breadp != NULL)
 		*breadp = bread;
@@ -968,7 +968,7 @@ icoms_hid_write(icoms *p,
 	}
 #endif /* NT */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	{
 		IOReturn result;
@@ -1039,7 +1039,7 @@ printf("~1 IOHIDDeviceSetReportWithCallback returned 0x%x\n",result);
 		}
 	}
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 	if (bwrittenp != NULL)
 		*bwrittenp = bwritten;
@@ -1101,7 +1101,7 @@ int hid_copy_hid_idevice(icoms *d, icompath *s) {
 		return ICOM_SYS;
 	}
 #endif
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	d->hidd->ioob = s->hidd->ioob;
 	CFRetain(d->hidd->ioob);
@@ -1109,7 +1109,7 @@ int hid_copy_hid_idevice(icoms *d, icompath *s) {
 	d->hidd->ioob = s->hidd->ioob;
 	IOObjectRetain(d->hidd->ioob);
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif	/* __APPLE__ */
+#endif	/* UNIX_APPLE */
 #if defined (UNIX_X11)
 #endif
 	return ICOM_OK;
@@ -1124,7 +1124,7 @@ void hid_del_hid_idevice(struct hid_idevice *hidd) {
 	if (hidd->dpath != NULL)
 		free(hidd->dpath);
 #endif
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	if (hidd->ioob != 0)
 		CFRelease(hidd->ioob);
@@ -1132,7 +1132,7 @@ void hid_del_hid_idevice(struct hid_idevice *hidd) {
 	if (hidd->ioob != 0)
 		IOObjectRelease(hidd->ioob);
 #endif	/* __MAC_OS_X_VERSION_MAX_ALLOWED < 1060 */
-#endif	/* __APPLE__ */
+#endif	/* UNIX_APPLE */
 #if defined (UNIX_X11)
 #endif
 	free(hidd);
diff --git a/spectro/hidio.h b/spectro/hidio.h
index 90a741b..87edd43 100644
--- a/spectro/hidio.h
+++ b/spectro/hidio.h
@@ -1,7 +1,7 @@
 
 #ifndef HIDIO_H
 
- /* General USB HID I/O support */
+/* General USB HID I/O support */
 
 /* 
  * Argyll Color Correction System
@@ -16,16 +16,17 @@
  * see the License2.txt file for licencing details.
  */
 
+
 /* These routines supliement the class code in ntio.c and unixio.c */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 #include <sys/param.h>
 #include <IOKit/IOKitLib.h>
 #include <IOKit/IOCFPlugIn.h>
 #include <IOKit/hid/IOHIDLib.h>
 #include <IOKit/hid/IOHIDKeys.h>
 #include <CoreFoundation/CoreFoundation.h>
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #ifdef __cplusplus
 	extern "C" {
@@ -59,7 +60,7 @@ struct hid_idevice {
 	HANDLE fh;					/* File handle for write/read */
 	OVERLAPPED ols;				/* Overlapped structure for write/read */
 #endif
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 # if defined(USE_NEW_OSX_CODE) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
 	int lid;							/* Location ID */
 	IOHIDDeviceRef ioob;				/* Object to open */
diff --git a/spectro/huey.c b/spectro/huey.c
index b09ed2c..2c82b4c 100644
--- a/spectro/huey.c
+++ b/spectro/huey.c
@@ -885,7 +885,8 @@ huey_check_unlock(
 	if ((ev = huey_command(p, i1d_status, buf, buf, 1.0,1.0)) != inst_ok)
 		return ev;
 
-	if (strncmp((char *)buf, "Locked", 6) == 0) {
+	/* Hmm. Some Lenovo Huey's say they are unlocked, even when they are not. */
+	if (p->lenovo || strncmp((char *)buf, "Locked", 6) == 0) {
 		memset(buf, 0, 7);
 		if (p->lenovo)
 			strcpy((char *)buf,"huyL");
@@ -902,6 +903,7 @@ huey_check_unlock(
 
 	if (strncmp((char *)buf, "huL002", 6) != 0		/* Lenovo Huey ? */
 	 && strncmp((char *)buf, "ECCM2 ", 6) != 0		/* Lenovo Thinkpad W530 Huey ? */
+	 && strncmp((char *)buf, "ECCM3 ", 6) != 0		/* Lenovo Thinkpad W530 Huey ? */
 	 && strncmp((char *)buf, "Cir001", 6) != 0) {	/* Huey */
 		a1logd(p->log,1,"huey_check_unlock: unknown model '%s'\n",buf);
 		return huey_interp_code((inst *)p, HUEY_UNKNOWN_MODEL);
@@ -920,7 +922,7 @@ huey_read_all_regs(
 	inst_code ev;
 	int i;
 
-	a1logd(p->log,2,"huey_check_unlock: about to read all the registers\n");
+	a1logd(p->log,2,"huey_read_all_regs: about to read all the registers\n");
 
 	/* Serial number */
 	if ((ev = huey_rdreg_word(p, &p->ser_no, 0) ) != inst_ok)
@@ -988,7 +990,7 @@ huey_read_all_regs(
 		return ev;
 	a1logd(p->log,3,"Integration time = %d\n",p->int_clocks);
 
-	a1logd(p->log,2,"huey_check_unlock: all registers read OK\n");
+	a1logd(p->log,2,"huey_read_all_regs: all registers read OK\n");
 
 	return inst_ok;
 }
@@ -1671,8 +1673,7 @@ int *cbid) {
  * error if it hasn't been initialised.
  */
 static inst_code
-huey_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+huey_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	huey *p = (huey *)pp;
 	inst_code ev = inst_ok;
 
@@ -1717,7 +1718,17 @@ huey_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return huey_set_LEDs(p, mask);
 	}
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/huey.h b/spectro/huey.h
index aec96a0..f13056b 100644
--- a/spectro/huey.h
+++ b/spectro/huey.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update huey_interp_error() and huey_interp_code() in huey.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -131,6 +135,9 @@ struct _huey {
 /* Constructor */
 extern huey *new_huey(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define HUEY_H
 #endif /* HUEY_H */
diff --git a/spectro/i1d3.c b/spectro/i1d3.c
index df7d3f0..4562a52 100644
--- a/spectro/i1d3.c
+++ b/spectro/i1d3.c
@@ -2464,6 +2464,8 @@ i1d3_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	/* On Linux, the i1d3 doesn't seem to close properly, and won't re-open - */
 	/* something to do with detaching the default HID driver ?? */
 #if defined(UNIX_X11)
+	usbflags |= icomuf_detach;
+	usbflags |= icomuf_no_open_clear;
 	usbflags |= icomuf_reset_before_close;
 #endif
 	/* Open as an HID if available */
@@ -2485,7 +2487,7 @@ i1d3_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		/* Set config, interface, write end point, read end point */
 		/* ("serial" end points aren't used - the i1d3 uses USB control messages) */
 		/* We need to detatch the HID driver on Linux */
-		if ((se = p->icom->set_usb_port(p->icom, 1, 0x00, 0x00, usbflags | icomuf_detach, 0, NULL))
+		if ((se = p->icom->set_usb_port(p->icom, 1, 0x00, 0x00, usbflags, 0, NULL))
 			                                                                          != ICOM_OK) { 
 			a1logd(p->log, 1, "i1d3_init_coms: set_usb_port failed ICOM err 0x%x\n",se);
 			return i1d3_interp_code((inst *)p, icoms2i1d3_err(se, 0));
@@ -2695,6 +2697,8 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	if (!p->inited)
 		return inst_no_init;
 
+	a1logd(p->log, 1, "i1d3: i1d3_read_sample called\n");
+
 	if (p->trig == inst_opt_trig_user) {
 
 		if (p->uicallback == NULL) {
@@ -2944,6 +2948,7 @@ static inst_code i1d3_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	i1d3 *p = (i1d3 *)pp;
@@ -2955,6 +2960,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = i1d3_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -3816,8 +3822,7 @@ int *cbid) {
  * error if it hasn't been initialised.
  */
 static inst_code
-i1d3_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+i1d3_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	i1d3 *p = (i1d3 *)pp;
 	inst_code ev;
 
@@ -4018,7 +4023,18 @@ i1d3_get_set_opt(inst *pp, inst_opt_type m, ...)
 		if (trans_time_prop != NULL) *trans_time_prop = p->led_trans_time_prop;
 		return inst_ok;
 	}
-	return inst_unsupported;
+
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/i1d3.h b/spectro/i1d3.h
index bb239df..a7c3b24 100644
--- a/spectro/i1d3.h
+++ b/spectro/i1d3.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update huey_interp_error() and huey_interp_code() in huey.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -79,7 +83,7 @@
 typedef enum {
 	i1d3_disppro    = 0,	/* i1 DisplayPro */
 	i1d3_munkdisp   = 1,	/* ColorMunki Display */
-	i1d3_oem        = 2,	/* OEM */
+	i1d3_oem        = 2,	/* Generic OEM */
 	i1d3_nec_ssp    = 3, 	/* NEC SpectraSensor Pro */
 	i1d3_quato_sh3  = 4, 	/* Quato Silver Haze 3 */
 	i1d3_hp_dreamc  = 5, 	/* HP DreameColor */
@@ -169,6 +173,9 @@ struct _i1d3 {
 /* Constructor */
 extern i1d3 *new_i1d3(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define I1D3_H
 #endif /* I1D3_H */
diff --git a/spectro/i1disp.c b/spectro/i1disp.c
index 489c6cd..9e4b01f 100644
--- a/spectro/i1disp.c
+++ b/spectro/i1disp.c
@@ -481,7 +481,7 @@ i1disp_rdexreg_bytes(
 ) {
 	unsigned char ibuf[16];
 	unsigned char obuf[16];
-	int rsize;
+	int ooff, rsize;
 	inst_code ev;
 
 	if (p->dtype != 2)		/* Only ColorMunki Smile ? */
@@ -493,7 +493,7 @@ i1disp_rdexreg_bytes(
 	if (len < 0 || (addr + len) > 0x0200)
 		return i1disp_interp_code((inst *)p, I1DISP_BAD_REG_ADDRESS);
 
-	for (; len > 0; ) {
+	for (ooff = 0; len > 0; ) {
 		int rlen = len;
 		if (rlen > 4)
 			rlen = 4;
@@ -512,7 +512,8 @@ i1disp_rdexreg_bytes(
 		if (obuf[0] != rlen)			/* Number of bytes returned */
 			return i1disp_interp_code((inst *)p, I1DISP_UNEXPECTED_RET_VAL);
 
-		memcpy(outp + addr, obuf + 1, rlen); 
+		memcpy(outp + ooff, obuf + 1, rlen); 
+		ooff += rlen;
 		addr += rlen;
 		len -= rlen;
 	}
@@ -643,6 +644,7 @@ i1d1_take_measurement(
 	int i;
 	int edgec[3];		/* Edge count 1..255 for each channel */
 	inst_code ev;
+	double edge_aim = p->clk_freq;	
 
 	if (p->inited == 0)
 		return i1disp_interp_code((inst *)p, I1DISP_NOT_INITED);
@@ -659,13 +661,18 @@ i1d1_take_measurement(
 	a1logd(p->log, 3, "Initial RGB = %f %f %f\n",rgb[0],rgb[1],rgb[2]);
 
 	/* Compute adjusted edge count, aiming */
-	/* for count values of clk_freq = 1 second (~1e6). */
+	/* for count values of clk_freq = 1 second (~1e6), */
+	/* or 2 seconds if an older instrument */
+	if (p->stype == i1d1_sencoreIV
+	 || p->stype == i1d1_sencoreIII)
+		edge_aim = 2.0 * p->clk_freq;;
+
 	for (i = 0; i < 3; i++) {
 		double ns;
-		if (p->clk_freq > ((255.0 - 0.5) * rgb[i]))
+		if (edge_aim > ((255.0 - 0.5) * rgb[i]))
 			ns = 255.0;
 		else {
-			ns = floor(p->clk_freq/rgb[i]) + 0.5;
+			ns = floor(edge_aim/rgb[i]) + 0.5;
 			if (ns < 1.0)
 				ns = 1.0;
 		}
@@ -1254,12 +1261,13 @@ i1disp_take_XYZ_measurement(
 		for (j = 0; j < 3; j++) {
 			XYZ[i] += mat[i * 3 + j] * rgb[j]; 
 		}
-		XYZ[i] *= CALFACTOR;		/* Times magic scale factor */
 
-#ifdef NEVER
-		if (p->chroma4)
-			XYZ[i] *= 4.0/3.0;			/* (Not sure about this factor!) */
-#endif
+
+		/* Magic factors for other devices ?? */
+		if (p->stype == i1d1_sencoreIV)
+			XYZ[i] *= CALFACTOR;			/* (Not sure about this factor!) */
+		else
+			XYZ[i] *= CALFACTOR;		/* Times magic scale factor */
 	}
 
 	if (!IMODETST(p->mode, inst_mode_emis_ambient)) {
@@ -1402,25 +1410,26 @@ i1disp_check_unlock(
 
 	struct {
 		unsigned char code[4];
-		int *flag;
+		i1d2_dtype stype;
 	} codes[] = {
-		{ { 'G','r','M','b' }, NULL },			/* "GrMb" i1 Display */
-		{ { 'L','i','t','e' }, &p->lite },		/* "Lite" i1 Display LT */
-		{ { 'M','u','n','k' }, &p->munki },		/* "Munk" ColorMunki Create */
-		{ { 'O','b','i','W' }, &p->hpdream },	/* "ObiW" HP DreamColor */
-		{ { 'O','b','i','w' }, &p->hpdream },	/* "Obiw" HP DreamColor */
-		{ { 'C','M','X','2' }, &p->calmanx2 },	/* "CMX2" Calman X2 */
-		{ { 0x24,0xb6,0xb5,0x13 }, NULL },		/* ColorMunki Smile */
-		{ { 'S','p','C','3' }, NULL },			/* SpectraCal C3 (Based on Smile) */
-		{ { 'R','G','B','c' }, NULL },			/* */
-		{ { 'C','E','C','5' }, NULL },			/* */
-		{ { 'C','M','C','5' }, NULL },			/* */
-		{ { 'C','M','G','5' }, NULL },			/* */
-		{ { 0x00,0x00,0x01,0x00 }, NULL },		/* */
-		{ { 0x09,0x0b,0x0c,0x0d }, NULL },		/* */
-		{ { 0x0e,0x0e,0x0e,0x0e }, NULL },		/* */
-		{ { 0x11,0x02,0xde,0xf0 }, NULL },		/* Barco Chroma 5 ? */
-		{ { ' ',' ',' ',' ' }, (int *)-1 }
+		{ { 'G','r','M','b' },     i1d2_norm },		/* "GrMb" i1 Display */
+		{ { 'L','i','t','e' },     i1d2_lite },		/* "Lite" i1 Display LT */
+		{ { 'M','u','n','k' },     i1d2_munki },	/* "Munk" ColorMunki Create */
+		{ { 'O','b','i','W' },     i1d2_hpdream },	/* "ObiW" HP DreamColor */
+		{ { 'O','b','i','w' },     i1d2_hpdream },	/* "Obiw" HP DreamColor */
+		{ { 'C','M','X','2' },     i1d1_calmanx2 },	/* "CMX2" Calman X2 */
+		{ { 0x24,0xb6,0xb5,0x13 }, i1d2_norm },		/* ColorMunki Smile */
+		{ { 'S','p','C','3' },     i1d2_norm },		/* SpectraCal C3 (Based on Smile) */
+		{ { 'R','G','B','c' },     i1d2_norm },		/* */
+		{ { 'C','E','C','5' },     i1d2_norm },		/* */
+		{ { 'C','M','C','5' },     i1d2_norm },		/* */
+		{ { 'C','M','G','5' },     i1d2_norm },		/* */
+		{ { 0x00,0x00,0x01,0x00 }, i1d2_norm },		/* */
+		{ { 0x09,0x0b,0x0c,0x0d }, i1d2_norm },		/* */
+		{ { 0x0e,0x0e,0x0e,0x0e }, i1d2_norm },		/* */
+		{ { 0x11,0x02,0xde,0xf0 }, i1d2_norm },		/* Barco Chroma 5 ? */
+//		{ { 0xff,0xff,0xff,0xff }, i1d2_norm },		/* Chroma 5 isn't locked ? */
+		{ { ' ',' ',' ',' ' }, -1 }
 	}; 
 
 	a1logd(p->log, 3, "i1disp: about to check response and unlock instrument if needed\n");
@@ -1433,17 +1442,9 @@ i1disp_check_unlock(
 	/* Try and unlock it if it is locked */
 	if ((ev & inst_imask) == I1DISP_LOCKED) {
 
-		/* Reset any flags */
-		for (i = 0; ;i++) {
-			if (codes[i].flag == (int *)-1)
-				break;
-			if (codes[i].flag != NULL)
-				*codes[i].flag = 0;
-		}
-
 		/* Try each code in turn */
 		for (i = 0; ;i++) {
-			if (codes[i].flag == (int *)-1) {
+			if (codes[i].stype == -1) {
 				a1logd(p->log, 3, "Failed to find correct unlock code\n");
 				return i1disp_interp_code((inst *)p, I1DISP_UNKNOWN_MODEL);
 			}
@@ -1461,8 +1462,9 @@ i1disp_check_unlock(
 				return ev;	/* An error other than being locked */
 
 			if (ev == inst_ok) {	/* Correct code */
-				if (codes[i].flag != NULL)
-					*codes[i].flag = 1;
+				p->stype = codes[i].stype;
+				a1logd(p->log, 3, "Unlocked with code '%c%c%c%c'\n",
+				codes[i].code[0], codes[i].code[1], codes[i].code[2], codes[i].code[3]);
 				break;
 			}
 		}
@@ -1485,15 +1487,30 @@ i1disp_check_unlock(
 
 	a1logd(p->log, 3, "Version character = 0x%02x = '%c'\n",vv,vv);
 
-	/* Sequel Chroma 4 with vv == 0xff ? */
-	/* Barco Chroma 5 with ver = 5.01 and vv = '5' */
-	if (ver >= 4.0 && ver < 5.1
-	 && (vv == 0xff || vv == 0x35)) {
+	/* Barco Chroma 5 with ver = 5.01 vv = '5' */
+	if (ver >= 4.0 && ver < 5.1 && vv == '5') {
 		p->dtype = 0;			/* Sequel Chroma 4 ?? */
-		p->chroma4 = 1;			/* Treat like an Eye-One Display 1 */
-								/* !!! Not fully tested !!! */
+		p->stype = i1d1_chroma4;	/* Treat like an Eye-One Display 1 */
+
+	/* Sequel Chroma 4 with vv == 0xff ???? */
+	/* Sencore ColorPro III with ver = 5.01 and vv = 0xff */
+	} else if (ver >= 4.0 && ver < 5.1 && vv == 0xff) {
+		p->dtype = 0;			/* Eye-One Display 1 */
+		p->stype = i1d1_sencoreIII; 
+
+	/* Sencore ColorPro IV with ver = 5.01 and vv = 'L' */
+	} else if (ver >= 4.0 && ver < 5.1 && vv == 'L') {
+		p->dtype = 0;			/* Eye-One Display 1 */
+		p->stype = i1d1_sencoreIV;	/* Treat like an Eye-One Display 1 */
+
+	/* Sencore ColorPro V with ver = 5.01 and vv = 'B' */
+	} else if (ver >= 4.0 && ver < 5.1 && vv == 'B') {
+		p->dtype = 0;			/* Eye-One Display 1 */
+		p->stype = i1d1_sencoreV;	/* Treat like an Eye-One Display 1 */
+
 	} else if (ver >= 5.1 && ver <= 5.3 && vv == 'L') {
 		p->dtype = 0;			/* Eye-One Display 1 */
+
 	} else if (ver >= 6.0 && ver <= 6.29 && vv == 'L') {
 		p->dtype = 1;			/* Eye-One Display 2 */
 
@@ -1506,7 +1523,7 @@ i1disp_check_unlock(
 		
 	} else {
 		/* Reject any version or model we don't know about */
-		a1logv(p->log, 1, "Version string = %3.1f\nID character = 0x%02x = '%c'\n",ver,vv,vv);
+		a1logd(p->log, 1, "Version string = %5.3f\nID character = 0x%02x = '%c'\n",ver,vv,vv);
 		return i1disp_interp_code((inst *)p, I1DISP_UNKNOWN_VERS_ID);
 	}
 
@@ -1998,6 +2015,7 @@ inst_code i1disp_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	i1disp *p = (i1disp *)pp;
@@ -2009,6 +2027,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = i1disp_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -2588,8 +2607,7 @@ int *cbid) {
  * was assume that all of these can be done before initialisation.
  */
 static inst_code
-i1disp_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+i1disp_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	i1disp *p = (i1disp *)pp;
 	inst_code ev;
 
@@ -2600,7 +2618,17 @@ i1disp_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/i1disp.h b/spectro/i1disp.h
index 45e21db..eada827 100644
--- a/spectro/i1disp.h
+++ b/spectro/i1disp.h
@@ -35,6 +35,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update i1disp_interp_error() and i1disp_interp_code() in i1disp.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -72,17 +76,28 @@
 #define I1DISP_WRONG_DEVICE             0x26
 #define I1DISP_LOCKED            	    0x27
 
+/* Sub-type of instrument (i.e. based on vers, char code, unlock code) */
+typedef enum {
+	i1d2_norm       = 0,	/* Normal (i1d1, i1d2, Smile) */
+	i1d2_lite       = 1,	/* "Lite" */
+	i1d2_munki      = 2,	/* "Munk" */
+	i1d2_hpdream    = 3,	/* "ObiW" */
+	i1d1_calmanx2   = 4,	/* "CMX2" */
+	i1d1_chroma4    = 5,	/* Chroma 4 */
+	i1d1_chroma5    = 6,	/* Chroma 5 */
+	i1d1_sencoreIII = 7, 	/* Sencore ColorPro III */
+	i1d1_sencoreIV  = 8, 	/* Sencore ColorPro IV */
+	i1d1_sencoreV   = 9 	/* Sencore ColorPro V */
+} i1d2_dtype;
+
 
 /* I1DISP communication object */
 struct _i1disp {
 	INST_OBJ_BASE
 
-	int       dtype;			/* Device type: 0 = i1D1, 1 = i1D2, 2 = Smile */	
-	int       lite;				/* i1D2: 0 = normal, 1 = "Lite" */
-	int       munki;			/* i1D2: 0 = normal, 1 = "Munk" */
-	int       hpdream;			/* i1D2: 0 = normal, 1 = "ObiW" */
-	int       calmanx2;			/* i1D2: 0 = normal, 1 = "CMX2" */
-	int       chroma4;			/* 0 = other, 1 = Sequel Chroma 4 (i1D1 based) */
+	int        dtype;			/* Device type: 0 = i1D1, 1 = i1D2, 2 = Smile */	
+	i1d2_dtype stype;			/* Sub type */
+
 	inst_mode mode;				/* Currently selected mode */
 
 	inst_opt_type trig;			/* Reading trigger mode */
@@ -169,6 +184,9 @@ struct _i1disp {
 /* Constructor */
 extern i1disp *new_i1disp(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define I1DISP_H
 #endif /* I1DISP_H */
diff --git a/spectro/i1pro.c b/spectro/i1pro.c
index 816aee5..44614d2 100644
--- a/spectro/i1pro.c
+++ b/spectro/i1pro.c
@@ -3,7 +3,9 @@
  * Argyll Color Correction System
  *
  * Gretag i1Monitor & i1Pro related functions
- *
+ */
+
+/*
  * Author: Graeme W. Gill
  * Date:   24/11/2006
  *
@@ -85,7 +87,7 @@ i1pro_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	i1pro *p = (i1pro *) pp;
 	int rsize, se;
 	icomuflags usbflags = icomuf_none;
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	/* If the X-Rite software has been installed, then there may */
 	/* be a daemon process that has the device open. Kill that process off */
 	/* so that we can open it here, before it re-spawns. */
@@ -95,10 +97,10 @@ i1pro_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			NULL
 	};
 	int retries = 20;
-#else /* !__APPLE__ */
+#else /* !UNIX_APPLE */
 	char **pnames = NULL;
 	int retries = 0;
-#endif /* !__APPLE__ */
+#endif /* !UNIX_APPLE */
 
 	a1logd(p->log, 2, "i1pro_init_coms: called\n");
 
@@ -238,7 +240,7 @@ ipatch *vals) {		/* Pointer to array of instrument patch values */
 	if (!p->inited)
 		return inst_no_init;
 
-	rv = i1pro_imp_measure(p, vals, npatch, 1);
+	rv = i1pro_imp_measure(p, vals, npatch, instClamp);
 
 	return i1pro_interp_code(p, rv);
 }
@@ -328,6 +330,7 @@ static inst_code i1pro_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	i1pro *p = (i1pro *)pp;
@@ -338,7 +341,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
-	rv = i1pro_imp_calibrate(p, calt, calc, id);
+	rv = i1pro_imp_calibrate(p, calt, calc, idtype, id);
 	return i1pro_interp_code(p, rv);
 }
 
@@ -385,8 +388,10 @@ i1pro_interp_error(inst *pp, i1pro_code ec) {
 			return "EEProm key is the wrong type";
 		case I1PRO_DATA_KEY_CORRUPT:
 			return "EEProm key table seems to be corrupted";
-		case I1PRO_DATA_KEY_COUNT:
-			return "EEProm key table count is too big or small";
+		case I1PRO_DATA_KEY_COUNT_SMALL:
+			return "EEProm key table size is too small for expected number of keys";
+		case I1PRO_DATA_KEY_COUNT_LARGE:
+			return "EEProm key table size is too large for expected number of keys";
 		case I1PRO_DATA_KEY_UNKNOWN:
 			return "EEProm unknown key type";
 		case I1PRO_DATA_KEY_MEMRANGE:
@@ -448,7 +453,7 @@ i1pro_interp_error(inst *pp, i1pro_code ec) {
 		case I1PRO_RD_TOOMANYPATCHES:
 			return "Too many patches";
 		case I1PRO_RD_NOTENOUGHSAMPLES:
-			return "Not enough samples per patch";
+			return "Not enough samples per patch - Slow Down!";
 		case I1PRO_RD_NOFLASHES:
 			return "No flashes recognized";
 		case I1PRO_RD_NOAMBB4FLASHES:
@@ -557,11 +562,32 @@ i1pro_interp_code(i1pro *p, i1pro_code ec) {
 		case I1PRO_CAL_SETUP:
 			return inst_cal_setup | ec;
 
+		case I1PRO_DATA_COUNT:
+		case I1PRO_DATA_BUFSIZE:
+		case I1PRO_DATA_MAKE_KEY:
+		case I1PRO_DATA_MEMORY:
+		case I1PRO_DATA_KEYNOTFOUND:
+		case I1PRO_DATA_WRONGTYPE:
+		case I1PRO_DATA_KEY_CORRUPT:
+		case I1PRO_DATA_KEY_COUNT_SMALL:
+		case I1PRO_DATA_KEY_COUNT_LARGE:
+		case I1PRO_DATA_KEY_UNKNOWN:
+		case I1PRO_DATA_KEY_MEMRANGE:
+		case I1PRO_DATA_KEY_ENDMARK:
+
 		case I1PRO_HW_HIGHPOWERFAIL:
+		case I1PRO_HW_EE_SIZE:
 		case I1PRO_HW_EE_SHORTREAD:
+		case I1PRO_HW_EE_SHORTWRITE:
 		case I1PRO_HW_ME_SHORTREAD:
 		case I1PRO_HW_ME_ODDREAD:
+		case I1PRO_HW_SW_SHORTREAD:
+		case I1PRO_HW_LED_SHORTWRITE:
+		case I1PRO_HW_UNEX_SPECPARMS:
 		case I1PRO_HW_CALIBINFO:
+		case I1PRO_WL_TOOLOW:
+		case I1PRO_WL_SHAPE:
+		case I1PRO_WL_ERR2BIG:
 			return inst_hardware_fail | ec;
 
 		case I1PRO_RD_DARKREADINCONS:
@@ -718,8 +744,7 @@ static inst_code i1pro_set_mode(inst *pp, inst_mode m) {
  * error if it hasn't been initialised.
  */
 static inst_code
-i1pro_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+i1pro_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	i1pro *p = (i1pro *)pp;
 
 	if (m == inst_opt_initcalib) {		/* default */
@@ -785,6 +810,81 @@ i1pro_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
+	/* Set xcalstd */
+	if (m == inst_opt_set_xcalstd) {
+		i1proimp *imp = (i1proimp *)p->m;
+		xcalstd standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd);
+		va_end(args);
+
+		imp->target_calstd = standard;
+
+		return inst_ok;
+	}
+
+	/* Get the current effective xcalstd */
+	if (m == inst_opt_get_xcalstd) {
+		i1proimp *imp = (i1proimp *)p->m;
+		xcalstd *standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd *);
+		va_end(args);
+
+		if (imp->target_calstd == xcalstd_native)
+			*standard = imp->native_calstd;		/* If not overridden */
+		else
+			*standard = imp->target_calstd;		/* Overidden std. */
+
+		return inst_ok;
+	}
+
+	/* Return the white calibration tile spectrum */
+	/* (We always return the normal rez. reference values) */
+	if (m == inst_opt_get_cal_tile_sp) {
+		i1proimp *imp = (i1proimp *)p->m;
+		xspect *sp;
+		inst_code rv;
+		va_list args;
+		int i;
+
+		va_start(args, m);
+		sp = va_arg(args, xspect *);
+		va_end(args);
+
+		if (imp->white_ref[0] == NULL)
+			return inst_no_init;
+
+		sp->spec_n = imp->nwav[0];
+		sp->spec_wl_short = imp->wl_short[0];
+		sp->spec_wl_long = imp->wl_long[0];
+		sp->norm = 100.0;
+
+		for (i = 0; i < sp->spec_n; i++)
+			sp->spec[i] = imp->white_ref[0][i] * 100.0; 
+		
+		return inst_ok;
+	}
+
+	/* Lamp drift remediation */
+	if (m == inst_opt_lamp_remediate) {
+		i1pro_code ev;
+		va_list args;
+		double seconds;
+
+		va_start(args, m);
+		seconds = va_arg(args, double);
+		va_end(args);
+
+		ev = i1pro_imp_lamp_fix(p, seconds);
+
+		return i1pro_interp_code(p, ev);
+	}
+
 	/* Use default implementation of other inst_opt_type's */
 	{
 		inst_code rv;
diff --git a/spectro/i1pro.h b/spectro/i1pro.h
index 4366e4f..e449f2c 100644
--- a/spectro/i1pro.h
+++ b/spectro/i1pro.h
@@ -4,7 +4,9 @@
  * Argyll Color Correction System
  *
  * Gretag i1Pro related defines
- *
+ */
+
+/*
  * Author: Graeme W. Gill
  * Date:   24/11/2006
  *
@@ -15,6 +17,10 @@
  * see the License2.txt file for licencing details.
  */
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* 
    If you make use of the instrument driver code here, please note
    that it is the author(s) of the code who take responsibility
@@ -52,5 +58,9 @@ struct _i1pro {
 /* Constructor */
 extern i1pro *new_i1pro(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define I1PRO_H
 #endif /* I1PRO_H */
diff --git a/spectro/i1pro_imp.c b/spectro/i1pro_imp.c
index 8577f8c..a8cb9e0 100644
--- a/spectro/i1pro_imp.c
+++ b/spectro/i1pro_imp.c
@@ -3,7 +3,9 @@
  * Argyll Color Correction System
  *
  * Gretag i1Pro implementation functions
- *
+ */
+
+/*
  * Author: Graeme W. Gill
  * Date:   24/11/2006
  *
@@ -34,6 +36,10 @@
 
 /* TTBD:
 
+	Would be nice to have option to save raw scan data to .ti3 file,
+	and then have a utility/option to replay it through scan
+	recognition, to be able to help remote diagnose scan problems.
+
 	Some things probably aren't quite correct:
 	The way the sensor saturation and optimal target is
 	computed probably doesn't account for the dark level
@@ -46,9 +52,6 @@
 	(see i1d3.c). Whether this will noticably improve repeatibility
 	remains to be seen.
 
-	Would be nice to have option to save raw scan data to .ti3 file,
-	and then have a utility/option to replay it through scan
-	recognition, to be able to help remote diagnose scan problems.
 */
 
 /*
@@ -112,7 +115,7 @@
 #define DCALTOUT2 ( 1 * 60 * 60) /* [1 Hr] i1pro2 Dark Calibration timeout in seconds */
 #define WCALTOUT  ( 1 * 60 * 60) /* [1 Hr] White Calibration timeout in seconds */
 
-#define MAXSCANTIME 20.0	/* [20] Maximum scan time in seconds */
+#define MAXSCANTIME 30.0	/* [30] Maximum scan time in seconds */
 #define SW_THREAD_TIMEOUT	(10 * 60.0) 	/* [10 Min] Switch read thread timeout */
 
 #define SINGLE_READ		/* [Def] Use a single USB read for scan to eliminate latency issues. */
@@ -131,6 +134,7 @@
 #undef TEST_DARK_INTERP    /* Test out the dark interpolation (need DEBUG for plot) */
 #undef PATREC_DEBUG			/* Print & Plot patch/flash recognition information */
 #undef PATREC_ALLBANDS		/* Plot all bands of scan */
+#undef PATREC_SAVETRIMMED	/* Saved trimmed raw to file "i1pro_raw_trimed_N.csv */
 #undef IGNORE_WHITE_INCONS	/* Ignore define reference reading inconsistency */
 #undef HIGH_RES_DEBUG
 #undef HIGH_RES_PLOT
@@ -138,8 +142,8 @@
 #undef PLOT_BLACK_SUBTRACT	/* Plot temperature corrected black subtraction */
 #undef FAKE_AMBIENT		/* Fake the ambient mode for a Rev A */
 
-#define MATCH_SPOT_OMD			/* [Def] Match Original Manufacturers Driver. Reduce */
-								/* integration time and lamp turn on time */
+#undef USE_SPOT_OMD				/* [Und] Use Original Manufacturers Driver timing. Reduce */
+								/* integration time and lamp turn on time. */
 
 #define DISP_INTT 2.0			/* Seconds per reading in display spot mode */
 								/* More improves repeatability in dark colors, but limits */
@@ -171,6 +175,7 @@
 
 #include "i1pro.h"
 #include "i1pro_imp.h"
+#include "xrga.h"
 
 /* - - - - - - - - - - - - - - - - - - */
 #define LAMP_OFF_TIME 1500		/* msec to make sure lamp is dark for dark measurement */
@@ -448,9 +453,26 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 	i1pro_code ev = I1PRO_OK;
 	unsigned char *eeprom;	/* EEProm contents, i1pro = half, i1pro2 = full */
 	int len = 8192;
+	char *envv;
 
 	a1logd(p->log,5,"i1pro_init:\n");
 
+	m->native_calstd = xcalstd_gmdi;		/* Rev A-D */
+	if (p->itype == instI1Pro2) {
+		m->native_calstd = xcalstd_xrga;	/* Rev E */
+	}
+	m->target_calstd = xcalstd_native;		/* Default to native calibration */
+
+	/* Honor Environment override */
+	if ((envv = getenv("ARGYLL_XCALSTD")) != NULL) {
+		if (strcmp(envv, "XRGA") == 0)
+			m->target_calstd = xcalstd_xrga;
+		else if (strcmp(envv, "XRDI") == 0)
+			m->target_calstd = xcalstd_xrdi;
+		else if (strcmp(envv, "GMDI") == 0)
+			m->target_calstd = xcalstd_gmdi;
+	}
+
 	/* Revert to i1pro if i1pro2 driver is not enabled */
 	if (p->itype == instI1Pro2
 #ifdef ENABLE_2
@@ -1006,22 +1028,27 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 
 					s->dadaptime = 0.10;
 					s->wadaptime = 0.10;
-#ifdef MATCH_SPOT_OMD
-					s->lamptime = 0.18;			/* Lamp turn on time, close to OMD */
-												/* (Not ideal, but partly compensated by calib.) */
-												/* (The actual value the OMD uses is 0.20332) */
-					s->dcaltime = 0.05;			/* Longer than the original driver for lower */
-												/* noise, and lamptime has been reduces to */
-												/* compensate. (OMD uses 0.014552) */
-					s->wcaltime = 0.05;
-					s->dreadtime = 0.05;
-					s->wreadtime = 0.05;
+#ifdef USE_SPOT_OMD
+					s->lamptime  = 0.20332;		/* (Lamp doesn't stabilize with this) */
+					s->dcaltime  = 0.02366;
+					s->wcaltime  = 0.02366;
+					s->dreadtime = 0.02366;
+					s->wreadtime = 0.02366;
 #else
-					s->lamptime = 0.5;			/* This should give better accuracy, and better */
-					s->dcaltime = 0.5;			/* match the scan readings. Difference is about */
-					s->wcaltime = 0.5;			/* 0.1 DE though, but would be lost in the */
-					s->dreadtime = 0.5;			/* repeatability noise... */
-					s->wreadtime = 0.5;
+#ifndef NEVER
+					s->lamptime = 0.25;			/* This should give better accuracy */
+					s->dcaltime = 0.05;			/* without increasing lamp usage much. */
+					s->wcaltime = 0.05;			/* Make it too large (ie. 1.0 sec total) */
+					s->dreadtime = 0.05;		/* and it will dirty the i1pro2 lamp quickly */
+					s->wreadtime = 0.05;		/* though. */
+#else
+#  pragma message("######### i1pro_imp.c Dirty Lamp timing !!!!! ########")
+					s->lamptime = 0.5;			/* Dirty up the lamp. */
+					s->dcaltime = 2.0;
+					s->wcaltime = 2.0;
+					s->dreadtime = 2.0;
+					s->wreadtime = 2.0;
+#endif
 #endif
 					s->maxscantime = 0.0;
 					s->min_wl = HIGHRES_REF_MIN;/* Too much stray light below this */
@@ -1037,13 +1064,12 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 						s->targoscale = 0.25;
 					else
 						s->targoscale = 0.5;
-
-					s->lamptime = 0.5;		/* Lamp turn on time - lots to match scan */
+					s->lamptime = 0.5;				/* Lamp turn on time - lots to match scan */
 					s->dadaptime = 0.10;
 					s->wadaptime = 0.10;
 					s->dcaltime = 0.5;
-					s->wcaltime = 0.5;
-					s->dreadtime = 0.10;
+					s->wcaltime = 2.5;				/* Lots to get lamp up to temp */
+					s->dreadtime = 0.10;			/* and to match OMD scan cal. on time */
 					s->wreadtime = 0.10;
 					s->maxscantime = MAXSCANTIME;
 					s->min_wl = HIGHRES_REF_MIN;	/* Too much stray light below this */
@@ -1058,7 +1084,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					s->adaptive = 0;
 
 					s->inttime = DISP_INTT;		/* Default disp integration time (ie. 2.0 sec) */
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dark_int_time = s->inttime;
 					s->dark_int_time2 = DISP_INTT2;	/* Alternate disp integration time (ie. 0.8) */
 					s->dark_int_time3 = DISP_INTT3;	/* Alternate disp integration time (ie. 0.3) */
@@ -1083,7 +1109,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					s->emiss = 1;
 					s->adaptive = 1;
 
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dadaptime = 0.0;
 					s->wadaptime = 0.10;
 					s->dcaltime = 1.0;
@@ -1100,7 +1126,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					s->scan = 1;
 					s->adaptive = 1;			/* ???? */
 					s->inttime = m->min_int_time;	/* Maximize scan rate */
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dark_int_time = s->inttime;
 					if (m->fwrev >= 301)
 						s->targoscale = 0.25;		/* (We're not using scan targoscale though) */
@@ -1132,7 +1158,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					s->ambient = 1;
 					s->adaptive = 1;
 
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dadaptime = 0.0;
 					s->wadaptime = 0.10;
 					s->dcaltime = 1.0;
@@ -1161,7 +1187,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					s->flash = 1;
 
 					s->inttime = m->min_int_time;	/* Maximize scan rate */
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dark_int_time = s->inttime;
 					if (m->fwrev >= 301)
 						s->targoscale = 0.25;		/* (We're not using scan targoscale though) */
@@ -1181,7 +1207,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					s->trans = 1;
 					s->adaptive = 1;
 
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dadaptime = 0.10;
 					s->wadaptime = 0.10;
 					s->dcaltime = 1.0;
@@ -1202,7 +1228,7 @@ i1pro_code i1pro_imp_init(i1pro *p) {
 					else
 						s->targoscale = 0.5;
 
-					s->lamptime = 0.20;			/* ???? */
+					s->lamptime = 0.0;
 					s->dadaptime = 0.10;
 					s->wadaptime = 0.10;
 					s->dcaltime = 1.0;
@@ -1483,6 +1509,7 @@ i1pro_code i1pro_imp_calibrate(
 	i1pro *p,
 	inst_cal_type *calt,	/* Calibration type to do/remaining */
 	inst_cal_cond *calc,	/* Current condition/desired condition */
+	inst_calc_id_type *idtype,	/* Condition identifier type */
 	char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	i1pro_code ev = I1PRO_OK;
@@ -2250,6 +2277,16 @@ i1pro_code i1pro_imp_calibrate(
 				                s->cal_factor[0], m->white_ref[0], s->cal_factor[0],
 				                s->cal_factor[1], m->white_ref[1], s->cal_factor[1],
 								!s->scan);		/* Use this for emis hires fine tune if not scan */
+
+				/* Print white lamp magnitude to track lamp darkening */
+				if (p->log != NULL && p->log->debug >= 1) {
+					double sum = 0.0;
+					for (i = 0; i < m->nwav[0]; i++)
+						sum += 1.0/s->cal_factor[0][i]; 
+
+					a1logd(p->log,1,"Refl. lamp magnitude = %e\n",sum);
+				}
+
 				if (ev == I1PRO_RD_TRANSWHITEWARN)		/* Shouldn't happen ? */
 					ev = I1PRO_OK;
 				if (ev != I1PRO_OK) {
@@ -2365,7 +2402,8 @@ i1pro_code i1pro_imp_calibrate(
 	/* Do ref_white first in case we are doing a high res fine tune. */
 
 	if (*calt & (inst_calt_ref_dark | inst_calt_ref_white)) {
-		sprintf(id, "Serial no. %d",m->serno);
+		*idtype = inst_calc_id_ref_sn;
+		sprintf(id, "%d",m->serno);
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_ref_white) {
 			/* Calibrate using white tile */
 			*calc = inst_calc_man_ref_white;
@@ -2373,6 +2411,7 @@ i1pro_code i1pro_imp_calibrate(
 		}
 	} else if (*calt & inst_calt_wavelength) {		/* Wavelength calibration */
 		if (cs->emiss && cs->ambient) {
+			*idtype = inst_calc_id_none;
 			id[0] = '\000';
 			if ((*calc & inst_calc_cond_mask) != inst_calc_man_am_dark) {
 				/* Calibrate using ambient adapter */
@@ -2380,7 +2419,8 @@ i1pro_code i1pro_imp_calibrate(
 				return I1PRO_CAL_SETUP;
 			}
 		} else {
-			sprintf(id, "Serial no. %d",m->serno);
+			*idtype = inst_calc_id_ref_sn;
+			sprintf(id, "%d",m->serno);
 			if ((*calc & inst_calc_cond_mask) != inst_calc_man_ref_white) {
 				/* Calibrate using white tile */
 				*calc = inst_calc_man_ref_white;
@@ -2388,6 +2428,7 @@ i1pro_code i1pro_imp_calibrate(
 			}
 		}
 	} else if (*calt & inst_calt_em_dark) {		/* Emissive Dark calib */
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_em_dark) {
 			/* Any sort of dark reference */
@@ -2395,18 +2436,21 @@ i1pro_code i1pro_imp_calibrate(
 			return I1PRO_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_trans_dark) {	/* Transmissvice dark */
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_trans_dark) {
 			*calc = inst_calc_man_trans_dark;
 			return I1PRO_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_trans_vwhite) {/* Transmissvice white for emulated transmission */
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_trans_white) {
 			*calc = inst_calc_man_trans_white;
 			return I1PRO_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_emis_int_time) {
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_emis_white) {
 			*calc = inst_calc_emis_white;
@@ -2438,10 +2482,13 @@ i1pro_code i1pro_imp_calibrate(
 
 	if (m->transwarn) {
 		*calc = inst_calc_message;
-		if (m->transwarn & 2)
+		if (m->transwarn & 2) {
+			*idtype = inst_calc_id_trans_low;
 			strcpy(id, "Warning: Transmission light source is too low for accuracy!");
-		else
+		} else {
+			*idtype = inst_calc_id_trans_wl;
 			strcpy(id, "Warning: Transmission light source is low at some wavelengths!");
+		}
 		m->transwarn = 0;
 	}
 
@@ -2458,6 +2505,51 @@ int icoms2i1pro_err(int se) {
 }
 
 /* - - - - - - - - - - - - - - - - */
+/* Do a dummy reflective read, to fix Lamp Drift. */
+
+i1pro_code i1pro_imp_lamp_fix(
+i1pro *p,
+double seconds) {	/* Number of seconds to turn lamp on for */
+	i1pro_code ev = I1PRO_OK;
+	i1proimp *m = (i1proimp *)p->m;
+	int nummeas;
+	double inttime;
+	unsigned char *buf;		/* Raw USB reading buffer */
+	unsigned int bsize;
+	i1p_mode cmode = m->mmode;		/* Remember current mode */
+
+	if (seconds > (5 * 60.0)) {
+		a1loge(p->log, inst_internal_error, "i1pro_imp_lamp_fix %f sec is too long\n",seconds);
+		return I1PRO_INT_ASSERT;
+	}
+
+	m->mmode = i1p_refl_spot;		/* Override current mode */
+	inttime = 0.2;					/* Constrain buffer size */
+	nummeas = (int)(seconds/inttime + 0.5);
+	bsize = m->nsen * 2 * nummeas;	/* 16 bit raw values */
+
+	if ((buf = (unsigned char *)malloc(sizeof(unsigned char) * bsize)) == NULL) {
+		m->mmode = cmode;
+		a1logd(p->log,1,"i1pro_read_patches malloc %d bytes failed (11)\n",bsize);
+		return I1PRO_INT_MALLOC;
+	}
+
+	/* Trigger measure and gather raw readings */
+	a1logd(p->log, 1, "i1pro_imp_lamp_fix %f seconds\n",seconds);
+	if ((ev = i1pro_read_patches_1(p, nummeas, nummeas, &inttime, 0,
+	                                       NULL, buf, bsize)) != I1PRO_OK) { 
+		m->mmode = cmode;
+		free(buf);
+		return ev;
+	}
+
+	m->mmode = cmode;
+	free(buf);
+
+	return I1PRO_OK;
+}
+
+/* - - - - - - - - - - - - - - - - */
 /* Measure a display update delay. It is assumed that */
 /* white_stamp(init) has been called, and then a */
 /* white to black change has been made to the displayed color, */
@@ -2519,7 +2611,7 @@ int *pinstmsec) {	/* Return instrument latency in msec */
 	}
 
 	if (m->whitestamp < 0.0) {
-		a1logd(p->log, 1, "i1d3_meas_delay: White transition wasn't timestamped\n");
+		a1logd(p->log, 1, "i1pro_meas_delay: White transition wasn't timestamped\n");
 		return inst_internal_error; 
 	}
 
@@ -2940,8 +3032,13 @@ i1pro_code i1pro_imp_measure(
 	/* Indicate to the user that they can now scan the instrument, */
 	/* after a little delay that allows for the instrument reaction time. */
 	if (s->scan) {
-		/* 500msec delay, 1KHz for 200 msec */
-		msec_beep(200 + (int)(s->lamptime * 1000.0 + 0.5), 1000, 200);
+		int delay = 200 + (int)(s->lamptime * 1000.0 + 0.5);
+		if (p->eventcallback != NULL) {
+			issue_scan_ready((inst *)p, delay);
+		} else {
+			/* delay then 1KHz for 200 msec */
+			msec_beep(delay, 1000, 200);
+		}
 	}
 
 	/* Retry loop for certaing cases */
@@ -4121,6 +4218,7 @@ i1pro_code i1pro_save_calibration(i1pro *p) {
 	i1pnonv x;
 	int ss;
 	int argyllversion = ARGYLL_VERSION;
+	int isRevE = p->itype == instI1Pro2 ? 1 : 0; 
 
 	strcpy(nmode, "w");
 #if !defined(O_CREAT) && !defined(_O_CREAT)
@@ -4157,6 +4255,7 @@ i1pro_code i1pro_save_calibration(i1pro *p) {
 	write_ints(&x, fp, &argyllversion, 1);
 	write_ints(&x, fp, &ss, 1);
 	write_ints(&x, fp, &m->serno, 1);
+	write_ints(&x, fp, &isRevE, 1);
 	write_ints(&x, fp, (int *)&m->nraw, 1);
 	write_ints(&x, fp, (int *)&m->nwav[0], 1);
 	write_ints(&x, fp, (int *)&m->nwav[1], 1);
@@ -4242,6 +4341,7 @@ i1pro_code i1pro_restore_calibration(i1pro *p) {
 	FILE *fp;
 	i1pnonv x;
 	int argyllversion;
+	int isRevE;
 	int ss, serno, nraw, nwav0, nwav1, nbytes, chsum1, chsum2;
 
 	strcpy(nmode, "r");
@@ -4286,6 +4386,7 @@ i1pro_code i1pro_restore_calibration(i1pro *p) {
 	read_ints(&x, fp, &argyllversion, 1);
 	read_ints(&x, fp, &ss, 1);
 	read_ints(&x, fp, &serno, 1);
+	read_ints(&x, fp, &isRevE, 1);
 	read_ints(&x, fp, &nraw, 1);
 	read_ints(&x, fp, &nwav0, 1);
 	read_ints(&x, fp, &nwav1, 1);
@@ -4293,6 +4394,7 @@ i1pro_code i1pro_restore_calibration(i1pro *p) {
 	 || argyllversion != ARGYLL_VERSION
 	 || ss != (sizeof(i1pro_state) + sizeof(i1proimp))
 	 || serno != m->serno
+	 || isRevE != (p->itype == instI1Pro2 ? 1 : 0)
 	 || nraw != m->nraw
 	 || nwav0 != m->nwav[0]
 	 || nwav1 != m->nwav[1]) {
@@ -4398,6 +4500,7 @@ i1pro_code i1pro_restore_calibration(i1pro *p) {
 	read_ints(&x, fp, &argyllversion, 1);
 	read_ints(&x, fp, &ss, 1);
 	read_ints(&x, fp, &m->serno, 1);
+	read_ints(&x, fp, &isRevE, 1);
 	read_ints(&x, fp, (int *)&m->nraw, 1);
 	read_ints(&x, fp, (int *)&m->nwav[0], 1);
 	read_ints(&x, fp, (int *)&m->nwav[1], 1);
@@ -5323,6 +5426,7 @@ i1pro_code i1pro_read_patches_2(
 		} else {
 			a1logd(p->log,3,"Number of patches measured = %d\n",nmeasuered);
 
+{
 			/* Recognise the required number of ref/trans patch locations, */
 			/* and average the measurements within each patch. */
 			if ((ev = i1pro_extract_patches_multimeas(p, &rv, absraw, numpatches, multimes,
@@ -5332,6 +5436,7 @@ i1pro_code i1pro_read_patches_2(
 				a1logd(p->log,2,"i1pro_read_patches_2 spot read failed at i1pro_extract_patches_multimeas\n");
 				return ev;
 			}
+}
 		}
 	}
 	free_dmatrix(multimes, 0, nmeasuered-1, -1, m->nraw-1);
@@ -5532,7 +5637,7 @@ i1pro_code i1pro_read_patches_all(
 	unsigned int bsize;
 	int rv = 0;
 
-	bsize = m->nsen * 2 * numpatches;
+	bsize = m->nsen * 2 * numpatches;	/* 16 bit raw values */
 	if ((buf = (unsigned char *)malloc(sizeof(unsigned char) * bsize)) == NULL) {
 		a1logd(p->log,1,"i1pro_read_patches malloc %d bytes failed (11)\n",bsize);
 		return I1PRO_INT_MALLOC;
@@ -5711,6 +5816,11 @@ i1pro_trigger_one_measure(
 	int measmodeflags;	/* Measurement mode command flags */
 	int measmodeflags2;	/* Rev E Measurement mode command flags */
 
+	/* Sanity check in case bad value was restored, due to switch */
+	/* from Rev A-D to Rev E mode. */
+	if (*inttime < m->min_int_time)
+		*inttime = m->min_int_time; 
+
 	/* The Rev E measure mode has it's own settings */
 	if (p->itype == instI1Pro2) {
 		m->intclkp = m->intclkp2;		/* From i1pro2_getmeaschar() ? */
@@ -6378,7 +6488,7 @@ i1pro_code i1pro_extract_patches_multimeas(
 
 #ifdef PATREC_DEBUG
 	/* Plot out 6 lots of 8 values each */ 
-	plot = dmatrixz(0, 8, 0, nummeas-1);  
+	plot = dmatrixz(0, 11, 0, nummeas-1);  
 //	for (j = 45; j <= (m->nraw-8); j += 100) 		/* Do just one band */
 #ifdef PATREC_ALLBANDS
 	for (j = 0; j <= (m->nraw-8); j += 8) 			/* Plot all the bands */
@@ -6500,7 +6610,6 @@ i1pro_code i1pro_extract_patches_multimeas(
 				/* to skew slightly towards the center */
 				for (k = 0; k < FW; k++) { 
 					double wt;
-
 					wt = fabs(2.0 * k - (FW -1.0))/(FW-1.0);
 					dev[k] += wt * bdev;
 				}
@@ -6689,6 +6798,7 @@ i1pro_code i1pro_extract_patches_multimeas(
 				break;
 			pat[npat].no++;
 		}
+
 		avglegth += (double) pat[npat].no;
 		npat++;
 	}
@@ -6812,20 +6922,80 @@ i1pro_code i1pro_extract_patches_multimeas(
 		a1logd(p->log,7,"Patch %d, start %d, length %d:\n",i, pat[i].ss, pat[i].no, pat[i].use);
 	}
 
-	/* Now trim the patches simply by shrinking their windows */
+#ifdef NEVER /* [Und] - doesn't seem as good for normal patch sizes. */
+	/* Now trim the patches by expanding the spacers/transitions */
 	for (k = 1; k < (npat-1); k++) {
-		int nno, trim;
+		int sw, xsw, trim;
 
 		if (pat[k].use == 0)
 			continue;
+		
+printf("Patch %d @ %d len %d ->",k,pat[k].ss,pat[k].no);
+		/* Figure the previous spacer width */
+		sw = pat[k].ss - (pat[k-1].ss + pat[k-1].no);
+		xsw = (sw * 170 + 85)/100;			/* Expand spacer by 170% */
+		trim = (xsw - sw + 1)/2;			/* Move start of patch half that expansion */
+		pat[k].ss += trim;
+		pat[k].no -= trim;
+		
+		/* Figure the next spacer width */
+		sw = pat[k+1].ss - (pat[k].ss + pat[k].no);
+		xsw = (sw * 170 + 85)/100;			/* Expand spacer by 170% */
+		trim = (xsw - sw + 1)/2;			/* Move end of patch half that expansion */
+		pat[k].no -= trim;
+		
+		if (pat[k].no < 0)
+			pat[k].no = 0; 
+printf(" @ %d len %d\n",pat[k].ss,pat[k].no);
+	}
+#else
+	/* Now trim the patches by shrinking their windows */
+	for (k = 1; k < (npat-1); k++) {
+		int nno, trim;
 
+		if (pat[k].use == 0)
+			continue;
 		
-		nno = (pat[k].no * 3)/4;
-		trim = (pat[k].no - nno)/2;
+//		nno = (pat[k].no * 3 + 0)/4;		/* Trim to 75% & round down */
+		nno = (pat[k].no * 2 + 0)/3;		/* Trim to 66% & round down [def] */
+//		nno = (pat[k].no * 2 + 0)/4;		/* Trim to 50% & round down */
+		trim = (pat[k].no - nno + 1)/2;
 
 		pat[k].ss += trim;
 		pat[k].no = nno;
 	}
+#endif
+
+#ifdef PATREC_SAVETRIMMED			/* Save debugging file */
+	{
+		static int filen = 0;		/* Debug file index */
+		char fname[100];
+		FILE *fp;
+
+		sprintf(fname, "i1pro_raw_trimed_%d.csv",filen++);
+
+		if ((fp = fopen(fname, "w")) == NULL)
+			error("Unable to open debug output file '%'",fname);
+
+		/* Create fake "slope" value that marks patches */
+		for (i = 0; i < nummeas; i++) 
+			slope[i] = 1.0;
+		for (k = 1; k < (npat-1); k++) {
+			if (pat[k].use == 0)
+				continue;
+			for (i = pat[k].ss; i < (pat[k].ss + pat[k].no); i++)
+				slope[i] = 0.0;
+		}
+
+		for (i = 0; i < nummeas; i++) { 
+			fprintf(fp, "%f\t",slope[i]);
+			for (j = 0; j < m->nraw; j++)
+				fprintf(fp, "%f\t", multimeas[i][j]/maxval[j]);
+			fprintf(fp, "\n");
+		}
+		fclose(fp);
+	}
+#endif
 
 #ifdef PATREC_DEBUG
 	a1logd(p->log,7,"After trimming got:\n");
@@ -6846,6 +7016,17 @@ i1pro_code i1pro_extract_patches_multimeas(
 	}
 
 	printf("Trimmed output:\n");
+#ifdef PATREC_ALLBANDS
+	for (j = 0; j <= (m->nraw-9); j += 9) { 			/* Plot all the bands, 9 at a time */
+		for (i = 0; i < nummeas; i++) { 
+			for (k = 0; k < 9; k++)
+				plot[k][i] = multimeas[i][j+k]/maxval[j+k];
+			plot[10][i] = (double)i;
+		}
+		printf("Bands %d - %d\n",j,j+9);
+		do_plot10(plot[10], slope, plot[0], plot[1], plot[2], plot[3], plot[4], plot[5], plot[6], plot[7], plot[8], nummeas, 0);
+	}
+#else
 	for (i = 0; i < nummeas; i++) { 
 		int jj;
 		for (jj = 0, j = b_lo; jj < 6 && j < b_hi; jj++, j += ((b_hi-b_lo)/6)) {
@@ -6856,8 +7037,9 @@ i1pro_code i1pro_extract_patches_multimeas(
 		}
 	}
 	for (i = 0; i < nummeas; i++)
-		plot[6][i] = (double)i;
-	do_plot6(plot[6], slope, plot[0], plot[1], plot[2], plot[3], plot[4], nummeas);
+		plot[10][i] = (double)i;
+	do_plot6(plot[10], slope, plot[0], plot[1], plot[2], plot[3], plot[4], nummeas);
+#endif
 #endif	/* PATREC_DEBUG */
 
 #ifdef PATREC_DEBUG
@@ -7884,6 +8066,8 @@ i1pro_code i1pro2_match_wl_meas(i1pro *p, double *pled_off, double *wlraw) {
 /* given the current wl_led_off, and set them as current, */
 /* using triangular filters of the lagrange interpolation of the */
 /* CCD values (i.e. the same type of filter used by the OEM driver) */
+/* [ Interestingly, the resulting filter shape is a bit like lanczos2, */
+/*   but not identical. ] */
 i1pro_code i1pro_compute_wav_filters(i1pro *p, int hr, int refl) {
 	i1proimp *m = (i1proimp *)p->m;
 	i1pro_state *s = &m->ms[m->mmode];
@@ -7979,6 +8163,12 @@ i1pro_code i1pro_compute_wav_filters(i1pro *p, int hr, int refl) {
 			wlcop[i] = 0.0;
 		
 		/* for each Lagrange interpolation position (adjacent CCD locations) */
+		/* create the Lagrange and then accuumulate the integral of the convolution */
+		/* of the overlap of the central region, with the triangle of our */
+		/* underlying re-sampling filter. */
+		/* (If we were to run out of enough source points for the Lagrange to */
+		/* encompas the region, then in theory we could use the Lagrange to */
+		/* extrapolate beyond the end from points within.) */
 		for (lip = six; (lip + 3) < eix; lip++) {
 			double rwav[4];		/* Relative wavelength of these Lagrange points */
 			double den[4];		/* Denominator values for points */
@@ -8032,6 +8222,7 @@ i1pro_code i1pro_compute_wav_filters(i1pro *p, int hr, int refl) {
 				ihigh = rwav[1]; 
 				ilow = rwav[2]; 
 
+				/* Over just the central portion, if it overlaps the triangle. */
 				if ((k == 0 && ilow <= twidth && ihigh >= 0.0)		/* Portion is +ve side */
 				 || (k == 1 && ilow <= 0.0 && ihigh >= -twidth)) {	/* Portion is -ve side */
 
@@ -8186,6 +8377,8 @@ i1pro_code i1pro_compute_wav_filters(i1pro *p, int hr, int refl) {
 #define DO_CCDNORMAVG		/* [und ???] Normalise averages rather than per CCD bin */
 							/* (We relly on fine cal & white cal to fix it) */
 
+#define BOX_INTEGRATE    	/* [und] Integrate raw samples as if they were +/-0.5 boxes */
+							/*       (This improves coeficient consistency a bit ?) */
 #undef COMPUTE_DISPERSION	/* Compute slit & optics dispersion from red laser data */
 
 #ifdef NEVER
@@ -8219,7 +8412,7 @@ static void i1pro_debug_plot_mtx_coef(i1pro *p) {
 
 	do_plot6(xx, yy[0], yy[1], yy[2], yy[3], yy[4], yy[5], m->nraw);
 	free_dvector(xx, -1, m->nraw-1);
-	free_dmatrix(yy, 0, 2, -1, m->nraw-1);
+	free_dmatrix(yy, 0, 5, -1, m->nraw-1);
 }
 #endif	/* NEVER */
 
@@ -9540,7 +9733,7 @@ i1pro_code i1pro_create_hr(i1pro *p) {
 				w1 = i1pro_raw2wav(p, refl, (double)i - 0.5);
 				w2 = i1pro_raw2wav(p, refl, (double)i + 0.5);
 
-//			printf("~1 CCD %d, w1 %f, wl %f, w2 %f\n",i,w1,wl,w2);
+//				printf("~1 CCD %d, w1 %f, wl %f, w2 %f\n",i,w1,wl,w2);
 
 				/* For each filter */
 				for (j = 0; j < m->nwav[1]; j++) {
@@ -9554,6 +9747,7 @@ i1pro_code i1pro_create_hr(i1pro *p) {
 					if (fabs(w1 - cwl) > fshmax && fabs(w2 - cwl) > fshmax)
 						continue;		/* Doesn't fall into this filter */
 
+#ifdef BOX_INTEGRATE 
 					/* Integrate in 0.05 nm increments from filter shape */
 					/* using triangular integration. */
 					{
@@ -9582,6 +9776,9 @@ i1pro_code i1pro_create_hr(i1pro *p) {
 							lw = cw;
 						}
 					}
+#else
+					we = fabs(w2 - w1) * lanczos2(twidth, rwl);
+#endif
 
 					if (m->mtx_c[1][refl].nocoef[j] >= MXNOFC) {
 						a1logw(p->log, "i1pro: run out of high res filter space\n");
@@ -9943,7 +10140,7 @@ i1pro_code i1pro_set_scan_toll(i1pro *p, double toll_ratio) {
 }
 
 
-/* Optics adjustment weights */
+/* Optical adjustment weights */
 static double opt_adj_weights[21] = {
 	1.4944496665144658e-282, 2.0036175483913455e-070, 1.2554893022685038e+232,
 	2.3898157055642966e+190, 1.5697625128432372e-076, 6.6912978722191457e+281,
@@ -9954,7 +10151,8 @@ static double opt_adj_weights[21] = {
 	9.2709981544886391e+122, 3.7958270103353899e-153, 7.1366083837501666e-154
 };
 
-/* Convert from spectral to XYZ, and transfer to the ipatch array */
+/* Convert from spectral to XYZ, and transfer to the ipatch array. */
+/* Apply XRGA conversion if needed */
 i1pro_code i1pro_conv2XYZ(
 	i1pro *p,
 	ipatch *vals,		/* Values to return */
@@ -10062,6 +10260,10 @@ i1pro_code i1pro_conv2XYZ(
 	}
 
 	conv->del(conv);
+
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(vals, nvals, xcalstd_nonpol, m->target_calstd, m->native_calstd, clamp);
+
 	return I1PRO_OK;
 }
 
@@ -11383,6 +11585,7 @@ i1pro_setmcmode(
 	}
 
 	/* Hmm. Give the instrument a little time to reconfigure itself. */
+	/* (Probably needs about 1msec, but err on the safe side) */
 	msec_sleep(10);
 
 	a1logd(p->log,2,"i1pro_setmcmode: done, ICOM err 0x%x (%d msec)\n",
@@ -11727,7 +11930,7 @@ i1pro2_triggermeasure(i1pro *p, int delay) {
 	i1proimp *m = (i1proimp *)p->m;
 	int rv = I1PRO_OK;
 
-	a1logd(p->log,2,"i1pro2_triggermeasure: triggering Rev Emeasurement after %dmsec "
+	a1logd(p->log,2,"i1pro2_triggermeasure: triggering Rev E measurement after %dmsec "
 	                               "delay @ %d msec\n", delay, msec_time() - m->msec);
 
 	/* NOTE := would be better here to create thread once, and then trigger it */
@@ -12512,6 +12715,8 @@ static i1pro_code i1data_parse_eeprom(i1data *d, unsigned char *buf, unsigned in
 	i1pro *p = d->p;
 	int rv = I1PRO_OK;
 	int dir = 0x1000;		/* Location of key directory */
+	int minkeys = 300;		/* Expected minumum number of bytes for keys */
+	int maxkeys = 512;		/* Expected maxumum number of bytes for keys */
 	int block_id;			/* Block id */
 	int nokeys;
 	i1key key, off, nkey = 0, noff = 0;
@@ -12519,14 +12724,16 @@ static i1pro_code i1data_parse_eeprom(i1data *d, unsigned char *buf, unsigned in
 	unsigned char *bp;
 	int i;
 
-	if (extra) 
+	if (extra) { 
 		dir = 0x2000;	/* Directory is at half way in i1pro2 2nd table */
+		minkeys = 200;	/* Hmm. Had a report that the i1Pro2 failed to parse */
+	}
 
-	a1logd(p->log,3,"i1pro_parse_eeprom called with %d bytes\n",len);
+	a1logd(p->log,3,"i1pro_parse_eeprom called with %d bytes, table %d\n",len,extra);
 
 	/* Room for minimum number of keys ? */
-	if ((dir + 300) > len)
-		return I1PRO_DATA_KEY_COUNT;
+	if ((dir + minkeys) > len)
+		return I1PRO_DATA_KEY_COUNT_SMALL;
 
 	block_id = buf2ushort(buf + dir);
 	if ((extra == 0 && block_id != 1)	/* Must be 1 for base data */
@@ -12534,12 +12741,15 @@ static i1pro_code i1data_parse_eeprom(i1data *d, unsigned char *buf, unsigned in
 		return I1PRO_DATA_KEY_CORRUPT;
 	
 	nokeys = buf2ushort(buf + dir + 2);	/* Bytes in key table */
-	if (nokeys < 300 || nokeys > 512)
-		return I1PRO_DATA_KEY_COUNT;
+	a1logd(p->log,3,"%d bytes for keys in EEProm table %d\n",nokeys, extra);
+	if (nokeys < minkeys)
+		return I1PRO_DATA_KEY_COUNT_SMALL;
+	if (nokeys > maxkeys)
+		return I1PRO_DATA_KEY_COUNT_LARGE;
 
 	nokeys = (nokeys - 4)/6;				/* Number of 6 byte entries */
 
-	a1logd(p->log,3,"%d key/values in EEProm table %d\n",nokeys, extra);
+	a1logd(p->log,3,"%d keys & values in EEProm table %d\n",nokeys, extra);
 
 	/* We need current and next value to figure data size out */
 	bp = buf + dir + 4;
diff --git a/spectro/i1pro_imp.h b/spectro/i1pro_imp.h
index 5a2cef2..582cc98 100644
--- a/spectro/i1pro_imp.h
+++ b/spectro/i1pro_imp.h
@@ -4,7 +4,9 @@
  * Argyll Color Correction System
  *
  * Gretag i1Pro implementation defines
- *
+ */
+
+/*
  * Author: Graeme W. Gill
  * Date:   20/12/2006
  *
@@ -15,6 +17,10 @@
  * see the License2.txt file for licencing details.
  */
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* 
    If you make use of the instrument driver code here, please note
    that it is the author(s) of the code who take responsibility
@@ -182,6 +188,9 @@ struct _i1proimp {
 	int uv_en;					/* NZ to do UV reflective measurement */
 								/* ~~ change this to uv_mode of none, uv, strip1, 2pass */
 
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+	xcalstd target_calstd;		/* Returned calibration standard */
+
 	double intclkp;				/* Integration clock period (typically 68 usec) */
 	int subclkdiv;				/* Sub clock divider ratio */
 	int subtmode;				/* Reading 127 subtract mode (version 301 or greater) */
@@ -363,10 +372,11 @@ void del_i1proimp(i1pro *p);
 #define I1PRO_DATA_KEYNOTFOUND			0x05		/* a key value wasn't found */
 #define I1PRO_DATA_WRONGTYPE			0x06		/* a key is the wrong type */
 #define I1PRO_DATA_KEY_CORRUPT		    0x07		/* key table seems to be corrupted */
-#define I1PRO_DATA_KEY_COUNT		    0x08		/* key table count is too big or small */
-#define I1PRO_DATA_KEY_UNKNOWN		    0x09		/* unknown key type */
-#define I1PRO_DATA_KEY_MEMRANGE		    0x0a		/* key data is out of range of EEProm */
-#define I1PRO_DATA_KEY_ENDMARK		    0x0b		/* And end section marker was missing */
+#define I1PRO_DATA_KEY_COUNT_SMALL	    0x08		/* key table count is too small */
+#define I1PRO_DATA_KEY_COUNT_LARGE	    0x09		/* key table count is too big */
+#define I1PRO_DATA_KEY_UNKNOWN		    0x0a		/* unknown key type */
+#define I1PRO_DATA_KEY_MEMRANGE		    0x0b		/* key data is out of range of EEProm */
+#define I1PRO_DATA_KEY_ENDMARK		    0x0c		/* And end section marker was missing */
 
 /* HW errors */
 #define I1PRO_HW_HIGHPOWERFAIL			0x10		/* Switch to high power mode failed */
@@ -464,6 +474,7 @@ i1pro_code i1pro_imp_calibrate(
 	i1pro *p,
 	inst_cal_type *calt,	/* Calibration type to do/remaining */
 	inst_cal_cond *calc,	/* Current condition/desired condition */
+	inst_calc_id_type *idtype,	/* Condition identifier type */
 	char id[100]			/* Condition identifier (ie. white reference ID) */
 );
 
@@ -475,6 +486,12 @@ i1pro_code i1pro_imp_measure(
 	instClamping clamp	/* Clamp XYZ/Lab to be +ve */
 );
 
+/* Do a dummy reflective read, to fix Lamp Drift. */
+i1pro_code i1pro_imp_lamp_fix(
+	i1pro *p,
+	double seconds	/* Number of seconds to turn lamp on for */
+);
+
 /* Measure the emissive refresh rate */
 i1pro_code i1pro_imp_meas_refrate(
 	i1pro *p,
@@ -1052,6 +1069,7 @@ i1pro2_getmeaschar(
 #define I1PRO2_MMF_LAMP 	   0x0100	/* Use the Incandescent Lamp as the illuminant */
 #define I1PRO2_MMF_UV_LED	   0x0200	/* Use the Ultra Violet LED as the illuminant */
 #define I1PRO2_MMF_WL_LED	   0x0300	/* Use the Wavelength Reference LED as the illuminant */
+
 //#define I1PRO2_MMF_HIGHGAIN    0x0000	/* Rev E mode has no high gain mode ? */
 #define I1PRO2_MMF_SCAN	       0x0001	/* Scan mode bit, else spot mode */ 
 #define I1PRO2_MMF_RULER_START 0x0004	/* Start ruler tracking in scan mode */
@@ -1404,5 +1422,9 @@ struct _i1data {
 /* Constructor. Construct from the EEprom contents */
 extern i1data *new_i1data(i1proimp *m);
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define I1PRO_IMP
 #endif /* I1PRO_IMP */
diff --git a/spectro/icoms.c b/spectro/icoms.c
index b69b72a..eadecc9 100644
--- a/spectro/icoms.c
+++ b/spectro/icoms.c
@@ -1,5 +1,5 @@
 
- /* General instrument + serial I/O support */
+/* General instrument + serial I/O support */
 
 /*
  * Argyll Color Correction System
@@ -71,29 +71,35 @@ static void icompath_del(icompath *p) {
 	free(p);
 }
 
-/* Delete the last path */
+/* Delete the last combined path */
+/* (Assume this is before icompaths_make_dslists() has been called) */ 
 static void icompaths_del_last_path(
 	icompaths *p
 ) {
-	if (p->npaths == 0)
+	icom_dtix ix = dtix_combined;
+	
+	if (p->ndpaths[ix] == 0)
 		return;
 
-	icompath_del(p->paths[p->npaths-1]);
-	p->paths[p->npaths-1] = NULL;
-	p->npaths--;
+	icompath_del(p->dpaths[ix][p->ndpaths[ix]-1]);
+	p->dpaths[ix][p->ndpaths[ix]-1] = NULL;
+	p->ndpaths[ix]--;
 }
 
-/* Return the last path */
+/* Return the last combined path */
+/* (Assume this is before icompaths_make_dslists() has been called) */ 
 static icompath *icompaths_get_last_path(
 	icompaths *p
 ) {
-	if (p->npaths == 0)
+	icom_dtix ix = dtix_combined;
+
+	if (p->ndpaths[ix] == 0)
 		return NULL;
 
-	return p->paths[p->npaths-1];
+	return p->dpaths[ix][p->ndpaths[ix]-1];
 }
 
-/* Return the path corresponding to the port number, or NULL if out of range */
+/* Return the instrument path corresponding to the port number, or NULL if out of range */
 static icompath *icompaths_get_path(
 	icompaths *p, 
 	int port		/* Enumerated port number, 1..n */
@@ -103,80 +109,188 @@ static icompath *icompaths_get_path(
 
 
 
-	if (port <= 0 || port > p->npaths)
+	if (port <= 0 || port > p->ndpaths[dtix_inst])
+		return NULL;
+
+	return p->dpaths[dtix_inst][port-1];
+}
+
+/* Return the device path corresponding to the port number, or NULL if out of range */
+static icompath *icompaths_get_path_sel(
+	icompaths *p, 
+	icom_type dctype,	/* Device type list */
+	int port			/* Enumerated port number, 1..n */
+) {
+	/* Check it is an enumeration */
+	if (dctype != dtix_combined
+	 && dctype != dtix_inst
+	 && dctype != dtix_3dlut
+	 && dctype != dtix_vtpg
+	 && dctype != dtix_printer)
+		return NULL;
+
+	if (dctype == dtix_inst)
+		return icompaths_get_path(p, port);
+	
+	if (port <= 0 || port > p->ndpaths[dctype])
 		return NULL;
 
-	return p->paths[port-1];
+	return p->dpaths[dctype][port-1];
 }
 
-static void icompaths_clear(icompaths *p) {
+/* Clear a single device paths list */
+static void icompaths_clear(icompaths *p, icom_dtix ix) {
 
-	/* Free any old list */
-	if (p != NULL && p->paths != NULL) {
+	if (p->dpaths[ix] != NULL) {
 		int i;
-		for (i = 0; i < p->npaths; i++) {
-			icompath_del(p->paths[i]);
+		/* If underlying owner of icompaths */
+		if (ix == dtix_combined) {
+			for (i = 0; i < p->ndpaths[ix]; i++) {
+				icompath_del(p->dpaths[ix][i]);
+			}
+		}
+		free(p->dpaths[ix]);
+		p->dpaths[ix] = NULL;
+		p->ndpaths[ix] = 0;
+
+		/* Clear instrument alias */
+		if (ix == dtix_inst) {
+			p->npaths = 0;
+			p->paths = NULL;
 		}
-		free(p->paths);
-		p->npaths = 0;
-		p->paths = NULL;
 	}
 }
 
-/* Add an empty new path. */
+/* Clear all device paths */
+static void icompaths_clear_all(icompaths *p) {
+
+	if (p == NULL)
+		return;
+
+	/* Free any old instrument list */
+	icompaths_clear(p, dtix_inst);
+	icompaths_clear(p, dtix_3dlut);
+	icompaths_clear(p, dtix_vtpg);
+	icompaths_clear(p, dtix_printer);
+	icompaths_clear(p, dtix_combined);
+}
+
+/* Add the give path to the given list. */
+/* If the path is NULL, allocat an empty */
+/* one and add it to the combined list */
 /* Return icom error */
-static int icompaths_add_path(icompaths *p) {
-	if (p->paths == NULL) {
-		if ((p->paths = (icompath **)calloc(sizeof(icompath *), 1 + 1)) == NULL) {
+static int icompaths_add_path(icompaths *p, int ix, icompath *xp) {
+	if (xp == NULL)
+		ix = dtix_combined;
+	if (p->dpaths[ix] == NULL) {
+		if ((p->dpaths[ix] = (icompath **)calloc(sizeof(icompath *), 1 + 1)) == NULL) {
 			a1loge(p->log, ICOM_SYS, "icompaths: calloc failed!\n");
 			return ICOM_SYS;
 		}
 	} else {
 		icompath **npaths;
-		if ((npaths = (icompath **)realloc(p->paths,
-		                     sizeof(icompath *) * (p->npaths + 2))) == NULL) {
+		if ((npaths = (icompath **)realloc(p->dpaths[ix],
+		                     sizeof(icompath *) * (p->ndpaths[ix] + 2))) == NULL) {
 			a1loge(p->log, ICOM_SYS, "icompaths: realloc failed!\n");
 			return ICOM_SYS;
 		}
-		p->paths = npaths;
-		p->paths[p->npaths+1] = NULL;
+		p->dpaths[ix] = npaths;
+		p->dpaths[ix][p->ndpaths[ix]+1] = NULL;
 	}
-	if ((p->paths[p->npaths] = calloc(sizeof(icompath), 1)) == NULL) {
-		a1loge(p->log, ICOM_SYS, "icompaths: malloc failed!\n");
-		return ICOM_SYS;
+	if (xp == NULL) {
+		if ((xp = calloc(sizeof(icompath), 1)) == NULL) {
+			a1loge(p->log, ICOM_SYS, "icompaths: malloc failed!\n");
+			return ICOM_SYS;
+		}
+	} 
+	p->dpaths[ix][p->ndpaths[ix]] = xp;
+	p->ndpaths[ix]++;
+	p->dpaths[ix][p->ndpaths[ix]] = NULL;
+	return ICOM_OK;
+}
+
+/* Based on each icompath's dctype, create aliase lists for everything */
+/* on the combined path based on each device type. */
+/* (We are only called after clearing all lists) */ 
+int icompaths_make_dslists(icompaths *p) {
+	int rv, i;
+
+	for (i = 0; i < p->ndpaths[dtix_combined]; i++) {
+		icompath *xp = p->dpaths[dtix_combined][i];
+
+		if (xp == NULL)
+			break;
+
+		a1logd(g_log, 8, "icompaths_make_dslists '%s' dctype 0x%x\n",xp->name,xp->dctype);
+
+		if (xp->dctype & icomt_instrument) {
+			if ((rv = icompaths_add_path(p, dtix_inst, xp)) != ICOM_OK)
+				return rv;
+		}
+		if (xp->dctype & icomt_3dlut) {
+			if ((rv = icompaths_add_path(p, dtix_3dlut, xp)) != ICOM_OK)
+				return rv;
+		}
+		if (xp->dctype & icomt_vtpg) {
+			if ((rv = icompaths_add_path(p, dtix_vtpg, xp)) != ICOM_OK)
+				return rv;
+		}
+		if (xp->dctype & icomt_printer) {
+			if ((rv = icompaths_add_path(p, dtix_printer, xp)) != ICOM_OK)
+				return rv;
+		}
 	}
-	p->npaths++;
-	p->paths[p->npaths] = NULL;
+
+	/* Maintain backwards compatible instrument list alias */
+	p->npaths = p->ndpaths[dtix_inst];
+	p->paths = p->dpaths[dtix_inst];
+	
 	return ICOM_OK;
 }
 
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
 
-/* Add a serial path */
+/* Add a serial path. */
 /* return icom error */
-static int icompaths_add_serial(icompaths *p, char *name, char *spath, icom_ser_attr sattr)  {
+static int icompaths_add_serial(icompaths *p, char *name, char *spath, icom_type dctype)  {
+	icom_dtix ix = dtix_combined;
+	icompath *xp;
 	int rv;
 
-	if ((rv = icompaths_add_path(p)) != ICOM_OK)
+	if ((rv = icompaths_add_path(p, ix, NULL)) != ICOM_OK)
 		return rv;
-	
-	if ((p->paths[p->npaths-1]->name = strdup(name)) == NULL) {
+
+	xp = p->dpaths[ix][p->ndpaths[ix]-1];
+
+	a1logd(g_log, 8, "icompaths_add_serial got '%s' dctype 0x%x\n",name,dctype);
+
+	/* Type of port, port attributes, device category */
+	xp->dctype |= icomt_cat_any;		/* Assume any for now */
+	xp->dctype |= icomt_serial;
+	xp->dctype |= icomt_seriallike;
+	xp->dctype |= dctype;
+
+	if ((xp->name = strdup(name)) == NULL) {
 		a1loge(p->log, ICOM_SYS, "icompaths: strdup failed!\n");
 		return ICOM_SYS;
 	}
-	if ((p->paths[p->npaths-1]->spath = strdup(spath)) == NULL) {
+	if ((xp->spath = strdup(spath)) == NULL) {
 		a1loge(p->log, ICOM_SYS, "icompaths: strdup failed!\n");
 		return ICOM_SYS;
 	}
-	p->paths[p->npaths-1]->sattr = sattr;
+
+	a1logd(g_log, 8, "icompaths_add_serial returning '%s' dctype 0x%x\n",xp->name,xp->dctype);
 
 	return ICOM_OK;
 }
 
-/* Modify a serial path to add the instrument type */
-int icompaths_set_serial_itype(icompath *p, instType itype) {
+/* Modify a serial path to add the device type */
+int icompaths_set_serial_itype(icompath *p, devType itype) {
 	char pname[400], *cp;
 
+	/* Convert device type to category */
+	p->dctype = (p->dctype & ~icomt_cat_mask) | inst_category(itype);
+
 	p->itype = itype;
 
 	/* Strip any existing description in brackets */
@@ -190,6 +304,9 @@ int icompaths_set_serial_itype(icompath *p, instType itype) {
 		return ICOM_SYS;
 	}
 	free(cp);
+
+	a1logd(g_log, 8, "icompaths_set_serial_itype '%s' returning dctype 0x%x\n",p->name,p->dctype);
+
 	return ICOM_OK;
 }
 
@@ -197,60 +314,81 @@ int icompaths_set_serial_itype(icompath *p, instType itype) {
 
 #ifdef ENABLE_USB
 
-/* Set an icompath details */
+/* Set an icompath details. */
 /* return icom error */
 static
 int icompath_set_usb(a1log *log, icompath *p, char *name, unsigned int vid, unsigned int pid,
-                              int nep, struct usb_idevice *usbd, instType itype) {
+                              int nep, struct usb_idevice *usbd, devType itype) {
 	int rv;
 
+
 	if ((p->name = strdup(name)) == NULL) {
 		a1loge(log, ICOM_SYS, "icompath: strdup failed!\n");
 		return ICOM_SYS;
 	}
 
+	a1logd(g_log, 8, "icompath_set_usb '%s' got dctype 0x%x\n",p->name,p->dctype);
+
+	p->dctype |= icomt_usb;
+	p->dctype = (p->dctype & ~icomt_cat_mask) | inst_category(itype);
+
 	p->nep = nep;
 	p->vid = vid;
 	p->pid = pid;
 	p->usbd = usbd;
 	p->itype = itype;
 
+	a1logd(g_log, 8, "icompath_set_usb '%s' returning dctype 0x%x\n",p->name,p->dctype);
+
 	return ICOM_OK;
 }
 
 /* Add a usb path. usbd is taken, others are copied. */
 /* return icom error */
 static int icompaths_add_usb(icompaths *p, char *name, unsigned int vid, unsigned int pid,
-                              int nep, struct usb_idevice *usbd, instType itype) {
+                             int nep, struct usb_idevice *usbd, devType itype) {
+	icom_dtix ix = dtix_combined;
+	icompath *xp;
 	int rv;
 
-	if ((rv = icompaths_add_path(p)) != ICOM_OK)
+	if ((rv = icompaths_add_path(p, 0, NULL)) != ICOM_OK)
 		return rv;
 
-	return icompath_set_usb(p->log, p->paths[p->npaths-1], name, vid, pid, nep, usbd, itype);
+	xp = p->dpaths[ix][p->ndpaths[ix]-1];
 
-	return ICOM_OK;
+	return icompath_set_usb(p->log, xp, name, vid, pid, nep, usbd, itype);
 }
 
 /* Add an hid path. hidd is taken, others are copied. */
 /* return icom error */
 static int icompaths_add_hid(icompaths *p, char *name, unsigned int vid, unsigned int pid,
-                              int nep, struct hid_idevice *hidd, instType itype) {
+                             int nep, struct hid_idevice *hidd, devType itype) {
+	icom_dtix ix = dtix_combined;
+	icompath *xp;
 	int rv;
 
-	if ((rv = icompaths_add_path(p)) != ICOM_OK)
+	if ((rv = icompaths_add_path(p, 0, NULL)) != ICOM_OK)
 		return rv;
 	
-	if ((p->paths[p->npaths-1]->name = strdup(name)) == NULL) {
+	xp = p->dpaths[ix][p->ndpaths[ix]-1];
+
+	a1logd(g_log, 8, "icompaths_add_hid '%s' got dctype 0x%x\n",xp->name,xp->dctype);
+
+	xp->dctype |= icomt_hid;
+	xp->dctype = (xp->dctype & ~icomt_cat_mask) | inst_category(itype);
+	
+	if ((xp->name = strdup(name)) == NULL) {
 		a1loge(p->log, ICOM_SYS, "icompaths: strdup failed!\n");
 		return ICOM_SYS;
 	}
 
-	p->paths[p->npaths-1]->nep = nep;
-	p->paths[p->npaths-1]->vid = vid;
-	p->paths[p->npaths-1]->pid = pid;
-	p->paths[p->npaths-1]->hidd = hidd;
-	p->paths[p->npaths-1]->itype = itype;
+	xp->nep = nep;
+	xp->vid = vid;
+	xp->pid = pid;
+	xp->hidd = hidd;
+	xp->itype = itype;
+
+	a1logd(g_log, 8, "icompath_set_usb '%s' returning dctype 0x%x\n",xp->name,xp->dctype);
 
 	return ICOM_OK;
 }
@@ -258,18 +396,115 @@ static int icompaths_add_hid(icompaths *p, char *name, unsigned int vid, unsigne
 
 static void icompaths_del(icompaths *p) {
 	if (p != NULL) {
-		icompaths_clear(p);
+		icompaths_clear_all(p);
 	
 		p->log = del_a1log(p->log);		/* Unreference it and set to NULL */
 		free(p);
 	}
 }
 
-int icompaths_refresh_paths(icompaths *p);	/* Defined in platform specific */
+/* Create and return a list of available serial ports or USB devices for this system. */
+/* We look at the registry key "HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM" */
+/* to determine serial ports, and use libusb to discover USB devices. */
+/* return icom error */
+int icompaths_refresh_paths_sel(icompaths *p, icom_type mask) {
+	int rv, usbend = 0;
+	int i, j;
+
+	a1logd(p->log, 7, "icoms_refresh_paths: called with mask = %d\n",mask);
+
+	/* Clear any existing device paths */
+	p->clear(p);
+
+#ifdef ENABLE_USB
+	if (mask & icomt_hid) {
+		a1logd(p->log, 6, "icoms_refresh_paths: looking for HID device\n");
+		if ((rv = hid_get_paths(p)) != ICOM_OK)
+			return rv;
+	}
+	if (mask & icomt_usb) {
+		a1logd(p->log, 6, "icoms_refresh_paths: looking for USB device\n");
+		if ((rv = usb_get_paths(p)) != ICOM_OK)
+			return rv;
+	}
+	usbend = p->ndpaths[dtix_combined];
+	a1logd(p->log, 6, "icoms_refresh_paths: now got %d paths\n",usbend);
+#endif /* ENABLE_USB */
+
+#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+
+	if (mask & (icomt_serial | icomt_fastserial | icomt_btserial)) {
+		a1logd(p->log, 6, "icoms_refresh_paths: looking for serial ports\n");
+		if ((rv = serial_get_paths(p, mask)) != ICOM_OK)
+			return rv;
+
+	}
+#endif /* ENABLE_SERIAL || ENABLE_FAST_SERIAL */
+
+	/* Sort the COM keys so people don't get confused... */
+	/* Sort identified instruments ahead of unknown serial ports */
+	a1logd(p->log, 6, "icoms_refresh_paths: we now have %d devices and are about to sort them\n",p->ndpaths[dtix_combined]);
+
+	{
+		icompath **pl = p->dpaths[dtix_combined];
+		int np = p->ndpaths[dtix_combined];
+
+		for (i = usbend; i < (np-1); i++) {
+			for (j = i+1; j < np; j++) {
+				if ((pl[i]->itype == instUnknown && pl[j]->itype != instUnknown)
+				 || (((pl[i]->itype == instUnknown && pl[j]->itype == instUnknown)
+				   || (pl[i]->itype != instUnknown && pl[j]->itype != instUnknown))
+				  && strcmp(pl[i]->name, pl[j]->name) > 0)) {
+					icompath *tt = pl[i];
+					pl[i] = pl[j];
+					pl[j] = tt;
+				}
+			}
+		}
+	}
+
+	/* Create the device specific lists */
+	if ((rv = icompaths_make_dslists(p)) != ICOM_OK) {
+		a1logd(p->log, 1, "icoms_refresh_paths: icompaths_make_dslists failed with %d\n",rv);
+		return rv;
+	}
+
+	a1logd(p->log, 8, "icoms_refresh_paths: returning %d paths and ICOM_OK\n",p->ndpaths[dtix_combined]);
+
+	return ICOM_OK;
+}
+
+/* (In implementation specific) */
+int serial_is_open(icoms *p);
+void serial_close_port(icoms *p);
+
+/* Close the port */
+static void icoms_close_port(icoms *p) {
+	if (p->is_open) {
+#ifdef ENABLE_USB
+		if (p->usbd) {
+			usb_close_port(p);
+		} else if (p->hidd) {
+			hid_close_port(p);
+		}
+#endif
+#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+		if (serial_is_open(p)) {
+			serial_close_port(p);
+		}
+#endif /* ENABLE_SERIAL */
+		p->is_open = 0;
+	}
+}
+
+int icompaths_refresh_paths(icompaths *p) {
+	return icompaths_refresh_paths_sel(p, icomt_instrument | icomt_portattr_all);
+}
 
 /* Allocate an icom paths and set it to the list of available devices */
+/* that match the icom_type mask. */ 
 /* Return NULL on error */
-icompaths *new_icompaths(a1log *log) {
+icompaths *new_icompaths_sel(a1log *log, icom_type mask) {
 	icompaths *p;
 	if ((p = (icompaths *)calloc(sizeof(icompaths), 1)) == NULL) {
 		a1loge(log, ICOM_SYS, "new_icompath: calloc failed!\n");
@@ -278,11 +513,14 @@ icompaths *new_icompaths(a1log *log) {
 
 	p->log = new_a1log_d(log);
 
-	p->clear         = icompaths_clear;
+	p->clear         = icompaths_clear_all;
 	p->refresh       = icompaths_refresh_paths;
-	p->del_last_path = icompaths_del_last_path;
-	p->get_last_path = icompaths_get_last_path;
+	p->refresh_sel   = icompaths_refresh_paths_sel;
 	p->get_path      = icompaths_get_path;
+	p->get_path_sel  = icompaths_get_path_sel;
+	p->del           = icompaths_del;
+
+	/* ====== internal implementation ======= */
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
 	p->add_serial    = icompaths_add_serial;
 #endif /* ENABLE_SERIAL */
@@ -290,9 +528,11 @@ icompaths *new_icompaths(a1log *log) {
 	p->add_usb       = icompaths_add_usb;
 	p->add_hid       = icompaths_add_hid;
 #endif /* ENABLE_USB */
-	p->del           = icompaths_del;
+	p->del_last_path = icompaths_del_last_path;
+	p->get_last_path = icompaths_get_last_path;
+	/* ====================================== */
 
-	if (icompaths_refresh_paths(p)) {
+	if (icompaths_refresh_paths_sel(p, mask)) {
 		a1loge(log, ICOM_SYS, "new_icompaths: icompaths_refresh_paths failed!\n");
 		free(p);
 		return NULL;
@@ -301,6 +541,12 @@ icompaths *new_icompaths(a1log *log) {
 	return p;
 }
 
+/* Allocate an icom paths and set it to the list of available instruments */
+/* Return NULL on error */
+icompaths *new_icompaths(a1log *log) {
+	return new_icompaths_sel(log, icomt_instrument | icomt_portattr_all);
+}
+
 
 /* ----------------------------------------------------- */
 
@@ -321,7 +567,6 @@ static int icom_copy_path_to_icom(icoms *p, icompath *pp) {
 			a1loge(p->log, ICOM_SYS, "copy_path_to_icom: malloc spath failed\n");
 			return ICOM_SYS;
 		}
-		p->sattr = pp->sattr;
 	} else {
 		p->spath = NULL;
 	}
@@ -335,24 +580,36 @@ static int icom_copy_path_to_icom(icoms *p, icompath *pp) {
 	if ((rv = hid_copy_hid_idevice(p, pp)) != ICOM_OK)
 		return rv;
 #endif
+	p->dctype = pp->dctype;
 	p->itype = pp->itype;
 
+	a1logd(g_log, 8, "icom_copy_path_to_icom '%s' returning dctype 0x%x\n",p->name,p->dctype);
+
 	return ICOM_OK;
 }
 
-/* Return the port type */
-static icom_type icoms_port_type(
+/* Return the device category */
+/* (Returns bit flags) */
+static icom_type icoms_cat_type(
 icoms *p
 ) {
+	return p->dctype & icomt_cat_mask;
+}
 
-#ifdef ENABLE_USB
-	if (p->hidd != NULL)
-		return icomt_hid;
-	if (p->usbd != NULL)
-		return icomt_usb;
-#endif
+/* Return the communication port type */
+/* (Can use equality tests on return value) */
+static icom_type icoms_port_type(
+icoms *p
+) {
+	return p->dctype & icomt_port_mask;
+}
 
-	return icomt_serial;
+/* Return the communication port attributes */
+/* (Returns bit flags) */
+static icom_type icoms_port_attr(
+icoms *p
+) {
+	return p->dctype & icomt_attr_mask;
 }
 
 /* ----------------------------------------------------- */
@@ -365,10 +622,10 @@ icoms *p
 # include "icoms_ux.c"
 #endif
 
-/* write and read convenience function */
+/* write and read convenience function with read flush */
 /* return icom error */
 static int
-icoms_write_read(
+icoms_write_read_ex(
 icoms *p,
 char *wbuf,			/* Write puffer */
 int nwch,			/* if > 0, number of characters to write, else nul terminated */
@@ -377,27 +634,33 @@ int bsize,			/* Buffer size */
 int *bread,			/* Bytes read (not including forced '\000') */
 char *tc,			/* Terminating characers, NULL for none or char count mode */
 int ntc,			/* Number of terminating characters needed, or char count needed */
-double tout			/* Timeout for write and then read (i.e. max = 2 x tout) */
+double tout,		/* Timeout for write and then read (i.e. max = 2 x tout) */
+int frbw			/* nz to Flush Read Before Write */
 ) {
 	int rv = ICOM_OK;
 
 	a1logd(p->log, 8, "icoms_write_read: called\n");
 
 	if (p->write == NULL || p->read == NULL) {	/* Neither serial nor USB ? */
-		a1loge(p->log, ICOM_NOTS, "icoms_write_read: Neither serial nor USB device!\n");
+		a1loge(p->log, ICOM_NOTS, "icoms_write_read: No write and read functions set!\n");
 		return ICOM_NOTS;
 	}
 
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-	/* Flush any stray chars if serial ?? */
-	if (0 && p->usbd == NULL && p->hidd == NULL) {
-		char tbuf[100];
+	/* Flush any stray chars if serial */
+	if (frbw && (p->dctype & icomt_serial)) {
+		char tbuf[500];
 		int debug = p->log->debug;
+		int bread;
 
 		if (debug < 8)
 			p->log->debug =  0;
-		for (; rv == ICOM_OK;) 	/* Until we get a timeout */
-			rv = p->read(p, tbuf, 100, NULL, NULL, 100, 0.01);
+		for (;;) {
+			bread = 0;
+			p->read(p, tbuf, 500, &bread, NULL, 500, 0.02);
+			if (bread == 0)
+				break;
+		}
 		p->log->debug = debug;
 		rv = ICOM_OK;
 	}
@@ -420,6 +683,23 @@ double tout			/* Timeout for write and then read (i.e. max = 2 x tout) */
 	return rv;
 }
 
+/* write and read convenience function */
+/* return icom error */
+static int
+icoms_write_read(
+icoms *p,
+char *wbuf,			/* Write puffer */
+int nwch,			/* if > 0, number of characters to write, else nul terminated */
+char *rbuf,			/* Read buffer */
+int bsize,			/* Buffer size */
+int *bread,			/* Bytes read (not including forced '\000') */
+char *tc,			/* Terminating characers, NULL for none or char count mode */
+int ntc,			/* Number of terminating characters needed, or char count needed */
+double tout		/* Timeout for write and then read (i.e. max = 2 x tout) */
+) {
+	return icoms_write_read_ex(p, wbuf, nwch, rbuf, bsize, bread, tc, ntc, tout, 0);
+}
+
 /* Optional callback to client from device */ 
 /* Default implementation is a NOOP */
 static int icoms_interrupt(icoms *p,
@@ -428,6 +708,29 @@ static int icoms_interrupt(icoms *p,
 	return ICOM_OK;
 }
 
+/* Destroy ourselves */
+static void
+icoms_del(icoms *p) {
+	a1logd(p->log, 8, "icoms_del: called\n");
+	if (p->is_open) {
+		a1logd(p->log, 8, "icoms_del: closing port\n");
+		p->close_port(p);
+	}
+#ifdef ENABLE_USB
+	usb_del_usb(p);
+	hid_del_hid(p);
+#endif
+#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+	if (p->spath != NULL)
+		free(p->spath);
+#endif
+	p->log = del_a1log(p->log);
+	if (p->name != NULL)
+		free(p->name);
+	p->log = del_a1log(p->log);		/* unref */
+	free (p);
+}
+
 /* icoms Constructor */
 /* Return NULL on error */
 icoms *new_icoms(
@@ -435,6 +738,9 @@ icoms *new_icoms(
 	a1log *log			/* log to take reference from, NULL for default */
 ) {
 	icoms *p;
+
+	a1logd(log, 2, "new_icoms '%s' itype '%s' dctype 0x%x\n",ipath->name,inst_sname(ipath->itype),ipath->dctype);
+
 	if ((p = (icoms *)calloc(sizeof(icoms), 1)) == NULL) {
 		a1loge(log, ICOM_SYS, "new_icoms: calloc failed!\n");
 		return NULL;
@@ -475,14 +781,19 @@ icoms *new_icoms(
 	
 	p->close_port = icoms_close_port;
 
+	p->dev_cat   = icoms_cat_type;
 	p->port_type = icoms_port_type;
+	p->port_attr = icoms_port_attr;
+
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+	p->set_ser_port_ex = icoms_set_ser_port_ex;
 	p->set_ser_port = icoms_set_ser_port;
 #endif	/* ENABLE_SERIAL */
 
 	p->write = NULL;	/* Serial open or set_methods will set */
 	p->read = NULL;
 	p->write_read = icoms_write_read;
+	p->write_read_ex = icoms_write_read_ex;
 	p->interrupt = icoms_interrupt;
 
 	p->del = icoms_del;
@@ -512,9 +823,9 @@ void good_beep() {
 
 /* Emit a "bad" double beep */
 void bad_beep() {
-	/* 0msec delay, 800Hz for 200 msec */
+	/* 0 msec delay, 800Hz for 200 msec */
 	msec_beep(0, 800, 200);
-	/* 500msec delay, 800Hz for 200 msec */
+	/* 350 msec delay, 800Hz for 200 msec */
 	msec_beep(350, 800, 200);
 }
 
diff --git a/spectro/icoms.h b/spectro/icoms.h
index 2a282f0..be36cac 100644
--- a/spectro/icoms.h
+++ b/spectro/icoms.h
@@ -1,7 +1,7 @@
 
 #ifndef ICOMS_H
 
- /* An abstracted instrument serial and USB communication class. */
+/* An abstracted instrument serial and USB communication class. */
 
 /* 
  * Argyll Color Correction System
@@ -30,7 +30,7 @@
 #include <windows.h>
 #endif
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 #include <IOKit/usb/IOUSBLib.h>
 #endif
 
@@ -40,6 +40,76 @@
 
 #undef QUIET_MEMCHECKERS		/* #define to memset coms read buffers before reading */
 
+/* USB open/handling/buf workaround flags */
+typedef enum {
+	icomuf_none                = 0x0000,
+	icomuf_detach              = 0x0001,	/* Attempt to detach from system driver */
+	icomuf_no_open_clear       = 0x0002,	/* Don't send a clear_halt after opening the port */
+	icomuf_reset_before_close  = 0x0004,	/* Reset port before closing it */
+											/* ??? Could change to reset before open ??? */
+	icomuf_resetep_before_read = 0x0008		/* Do a usb_resetep before each ep read */
+} icomuflags;
+
+typedef enum {
+	icomt_unknown        = 0x0000,
+
+	/* Category of device */
+	icomt_instrument     = 0x010000,		/* Color measurement instrument (default) */
+	icomt_3dlut          = 0x020000,		/* A 3D cLUT box */
+	icomt_vtpg           = 0x040000,		/* A video test patern generator box */
+	icomt_printer        = 0x080000,		/* A printing device */
+
+	icomt_cat_any        = 0x0f0000,		/* Could be any device category */
+	icomt_cat_mask       = 0xff0000,		/* Mask for device category */
+
+	/* Type of underlying communication port */
+	/* (fastserio driver will have icomt_serial and icomt_usb set) */
+	icomt_serial         = 0x000001,		/* Serial port (i.e. has baud rate etc.) */
+	icomt_usb            = 0x000002,		/* USB port */
+	icomt_hid            = 0x000004,		/* HID USB port */
+	icomt_bt             = 0x000008,		/* Bluetooth (non-serial) */
+
+	icomt_port_mask      = 0x0000ff,		/* Mask for port type */
+
+	/* Attributes */
+	icomt_fastserial     = 0x000100,		/* Fast Serial (i.e. USB, fastserio, Bluetooth) */
+	icomt_btserial       = 0x000200,		/* Bluetooth serial port */
+	icomt_seriallike     = 0x000400,		/* Uses serial message methods, but */
+											/* may not be actual icomt_serial. */
+
+	icomt_attr_mask      = 0x00ff00,		/* Mask for port attributes */
+
+	icomt_portattr_mask  = icomt_port_mask | icomt_attr_mask,
+
+	icomt_portattr_all   = icomt_portattr_mask	/* Scan for all port types */
+
+
+} icom_type;
+
+/* Status bits/return values */
+#define ICOM_OK	    0x000000		/* No error */
+
+#define ICOM_NOTS 	0x001000		/* Not supported */
+#define ICOM_SIZE	0x002000		/* Request/response size exceeded limits */
+#define ICOM_TO		0x004000		/* Timed out, but there may be bytes read/written */
+#define ICOM_SHORT	0x008000		/* No timeout but number of bytes wasn't read/written */
+#define ICOM_CANC	0x010000		/* Was cancelled */
+#define ICOM_SYS	0x020000		/* System error (ie. malloc, system call fail) */
+#define ICOM_VER	0x040000		/* Version error - need up to date kernel driver */
+
+#define ICOM_USBR	0x000100		/* Unspecified USB read error */
+#define ICOM_USBW	0x000200		/* Unspecified USB write error */
+#define ICOM_SERR	0x000400		/* Unspecified Serial read error */
+#define ICOM_SERW	0x000800		/* Unspecified Serial write error */
+
+#define ICOM_XRE	0x000040		/* Xmit shift reg empty */
+#define ICOM_XHE	0x000020		/* Xmit hold reg empty */
+#define ICOM_BRK	0x000010		/* Break detected */
+#define ICOM_FER	0x000008		/* Framing error */
+#define ICOM_PER	0x000004		/* Parity error */
+#define ICOM_OER	0x000002		/* Overun error */
+#define ICOM_DRY	0x000001		/* Recv data ready */
+
 typedef struct _icompath icompath;
 typedef struct _icompaths icompaths;
 typedef struct _icoms icoms;
@@ -56,7 +126,7 @@ typedef struct {
 	int packetsize;		/* The max packet size */
 	int type;			/* 2 = bulk, 3 = interrupt */	
 	int interface;		/* interface number */
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 	int pipe;			/* pipe number (1..N, OS X only) */
 #endif
 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
@@ -72,27 +142,17 @@ typedef struct {
 
 #endif /* ENABLE_USB */
 
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-
-/* Attributes of the serial port */
-typedef enum {
-	icom_normal =     0x0000,		/* Normal serial port */
-	icom_fast =       0x0001,		/* Fast port */
-	icom_bt =         0x0002		/* Bluetooth serial port */
-} icom_ser_attr;
-
-#endif
-
 /* - - - - - - - - - - - - - - - - - - - -  */
 
 /* Store information about a possible instrument communication path */
 /* (Note a path doesn't have a reference to icompaths or its' log) */
-struct _icompath{
-	instType itype;				/* Type of instrument if known */
+struct _icompath {
+	devType itype;				/* Type of device if known */
 	char *name;					/* instance description */
+
+	icom_type dctype;			/* Device and com. type */
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
 	char *spath;				/* Serial device path */
-	icom_ser_attr sattr;		/* Virtual serial port that can be identified quickly */
 #endif
 #ifdef ENABLE_USB
 	int nep;					/* Number of end points */
@@ -104,56 +164,93 @@ struct _icompath{
 
 extern icompath icomFakeDevice;	/* Declare fake device */
 
+/* Device type specific list index */
+typedef enum {
+	dtix_combined = 0,		/* Combined list */
+	dtix_inst,				/* Instrument */
+	dtix_3dlut,
+	dtix_vtpg,
+	dtix_printer,
+
+	dtix_number				/* Number of entries */
+} icom_dtix;
+
 /* The available instrument communication paths */
 struct _icompaths {
-	int npaths;					/* Number of paths */
-	icompath **paths;			/* Paths if any */
 	a1log *log;					/* Verbose, debuge & error logging */
 
-	/* Re-populate the available instrument list */
+	/* Combined and device category specific path lists (read only). */
+	/* Paths may appear on more than one, if they are multi-function, */
+	/* or the category can't be determined without opening them. */
+	/* (dpaths[dtix_combined] is the owner of the icompath, */
+	/* and all the others are only populated after discovery.) */
+	icompath **dpaths[dtix_number];		/* Device paths if any */
+	int ndpaths[dtix_number];			/* Number of device paths */
+
+	/* Alias of dpaths[dtix_inst] for backwards compatibility, */
+	/* only set after discovery. */
+	icompath **paths;			/* Device instrument if any */
+	int npaths;					/* Number of instrument paths */
+
+	/* Re-discover and populate the available instrument list */
 	/* return icom error */
 	int (*refresh)(struct _icompaths *p);
 
+	/* Same as above, but just scan for selected types of devices and/or port types */
+	int (*refresh_sel)(struct _icompaths *p, icom_type mask);
+
+	/* Return the instrument path corresponding to the port number, or NULL if out of range */
+	icompath *(*get_path)(
+		struct _icompaths *p, 
+		int  	       port);		/* Enumerated port number, 1..n */
+#define FAKE_DEVICE_PORT -98		/* Fake display & instrument */
+#define DEMO_DEVICE_PORT -99		/* Fake Demo instrument */
+
+	/* Return the device path corresponding to the port number, or NULL if out of range */
+	icompath *(*get_path_sel)(
+		struct _icompaths *p, 
+		icom_type dctype,			/* Device type list */
+		int  	       port);		/* Enumerated port number, 1..n */
+
+	/* Clear all the device paths */
+	void (*clear)(struct _icompaths *p);
+
+	/* We're done */
+	void (*del)(struct _icompaths *p);
+
+	/* ====== internal implementation ======= */
+
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-	/* Add a serial path. path is copied. Return icom error */
-	int (*add_serial)(struct _icompaths *p, char *name, char *spath, icom_ser_attr sattr);
+	/* Add a serial path to combined. path is copied. Return icom error */
+	int (*add_serial)(struct _icompaths *p, char *name, char *spath, icom_type dctype);
 #endif /* ENABLE_SERIAL */
 
 #ifdef ENABLE_USB
-	/* Add a usb path. usbd is taken, others are copied. Return icom error */
+	/* Add a usb path to combined. usbd is taken, others are copied. Return icom error */
 	int (*add_usb)(struct _icompaths *p, char *name, unsigned int vid, unsigned int pid,
-	                int nep, struct usb_idevice *usbd, instType itype);
+	               int nep, struct usb_idevice *usbd, devType itype);
 
-	/* Add an hid path. hidd is taken, others are copied. Return icom error */
+	/* Add an hid path to combined. hidd is taken, others are copied. Return icom error */
 	int (*add_hid)(struct _icompaths *p, char *name, unsigned int vid, unsigned int pid,
-	                int nep, struct hid_idevice *hidd, instType itype);
+	               int nep, struct hid_idevice *hidd, devType itype);
 #endif /* ENABLE_USB */
 
-	/* Delete the last path */
+	/* Delete the last combined path */
 	void (*del_last_path)(struct _icompaths *p);
 
-	/* Return the last path */
+	/* Return the last combined path */
 	icompath *(*get_last_path)(struct _icompaths *p);
 
-	/* Return the path corresponding to the port number, or NULL if out of range */
-	icompath *(*get_path)(
-		struct _icompaths *p, 
-		int  	       port);		/* Enumerated port number, 1..n */
-#define FAKE_DEVICE_PORT -98		/* Fake display & instrument */
-#define DEMO_DEVICE_PORT -99		/* Fake Demo instrument */
-
-	/* Clear all the paths */
-	void (*clear)(struct _icompaths *p);
-
-	/* We're done */
-	void (*del)(struct _icompaths *p);
-
 };
 
 /* Allocate an icom paths and set it to the list of available devices */
+/* Use g_log as argument for default logging. */
 /* Return NULL on error */
 icompaths *new_icompaths(a1log *log);
 
+/* Same as above, but just scan for selected types of devices and/or port types */
+icompaths *new_icompaths_sel(a1log *log, icom_type mask);
+
 
 /* - - - - - - - - - - - */
 /* Serial related stuff */
@@ -161,7 +258,7 @@ icompaths *new_icompaths(a1log *log);
 /* Flow control */
 typedef enum {
 	fc_nc = 0,			/* not configured/default */
-	fc_none,
+	fc_None,
 	fc_XonXOff,
 	fc_Hardware,		/* RTS CTS flow control */
 	fc_HardwareDTR		/* DTR DSR flow control */			
@@ -211,47 +308,6 @@ typedef enum {
 	length_8
 } word_length;
 
-/* USB open/handling/buf workaround flags */
-typedef enum {
-	icomuf_none                = 0x0000,
-	icomuf_detach              = 0x0001,	/* Attempt to detach from system driver */
-	icomuf_no_open_clear       = 0x0001,	/* Don't send a clear_halt after opening the port */
-	icomuf_reset_before_close  = 0x0004,	/* Reset port before closing it */
-	icomuf_resetep_before_read = 0x0008		/* Do a usb_resetep before each ep read */
-} icomuflags;
-
-/* Type of port driver */
-typedef enum {
-	icomt_serial,		/* Serial port */
-	icomt_usbserial,	/* Serial port using fastserio.c driver */
-	icomt_usb,			/* USB port */
-	icomt_hid			/* HID (USB) port */
-} icom_type;
-
-/* Status bits/return values */
-#define ICOM_OK	    0x000000		/* No error */
-
-#define ICOM_NOTS 	0x001000		/* Not supported */
-#define ICOM_SIZE	0x002000		/* Request/response size exceeded limits */
-#define ICOM_TO		0x004000		/* Timed out, but there may be bytes read/written */
-#define ICOM_SHORT	0x008000		/* No timeout but number of bytes wasn't read/written */
-#define ICOM_CANC	0x010000		/* Was cancelled */
-#define ICOM_SYS	0x020000		/* System error (ie. malloc, system call fail) */
-#define ICOM_VER	0x040000		/* Version error - need up to date kernel driver */
-
-#define ICOM_USBR	0x000100		/* Unspecified USB read error */
-#define ICOM_USBW	0x000200		/* Unspecified USB write error */
-#define ICOM_SERR	0x000400		/* Unspecified Serial read error */
-#define ICOM_SERW	0x000800		/* Unspecified Serial write error */
-
-#define ICOM_XRE	0x000040		/* Xmit shift reg empty */
-#define ICOM_XHE	0x000020		/* Xmit hold reg empty */
-#define ICOM_BRK	0x000010		/* Break detected */
-#define ICOM_FER	0x000008		/* Framing error */
-#define ICOM_PER	0x000004		/* Parity error */
-#define ICOM_OER	0x000002		/* Overun error */
-#define ICOM_DRY	0x000001		/* Recv data ready */
-
 /* Interrupt callback type */
 typedef enum {
 	icomi_data_available		/* Data is available to be read */
@@ -270,8 +326,10 @@ struct _icoms {
   /* Private: */
 
 	/* Copy of some of icompath contents: */
+	icom_type dctype;			/* Device cat. and com. type */
+	devType itype;				/* Type of device if known */
+
 	char *name;					/* Device description */
-	instType itype;				/* Type of instrument if known */
 	
 	int is_open;				/* Flag, NZ if this port is open */
 
@@ -287,11 +345,9 @@ struct _icoms {
 #if defined (NT)
 	HANDLE phandle;				/* NT handle */
 #endif
-#if defined (UNIX) || defined(__APPLE__)
+#if defined (UNIX)
 	int fd;						/* Unix file descriptor */
 #endif
-	icom_ser_attr sattr;		/* Serial port attributes, such as being fast */
-
 	flow_control fc;
 	baud_rate	br;
 	parity		py;
@@ -339,10 +395,31 @@ struct _icoms {
 	
   /* Public: */
 
-	/* Return the port type */
+	/* Return the device category */
+	/* (Returns bit flags) */
+	icom_type (*dev_cat)(struct _icoms *p);
+
+	/* Return the communication port type */
+	/* (Can use equality tests on return value for normal ports, */
+	/* or bit flag for fastserio USB/serial port) */
 	icom_type (*port_type)(struct _icoms *p);
 
+	/* Return the communication port attributes */
+	/* (Returns bit flags) */
+	icom_type (*port_attr)(struct _icoms *p);
+
 #if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+	/* Select the serial communications port and characteristics - extended version */
+	/* return icom error */
+	int (*set_ser_port_ex)(
+		struct _icoms *p, 
+		flow_control fc,		/* Flow control */
+		baud_rate	 baud,
+		parity		 parity,
+		stop_bits	 stop_bits,
+		word_length	 word_length,
+		int delayms);			/* Delay in ms after open */
+
 	/* Select the serial communications port and characteristics */
 	/* return icom error */
 	int (*set_ser_port)(
@@ -414,6 +491,20 @@ struct _icoms {
 		int ntc,			/* Number of any terminating characters needed, or char count needed */
 		double tout);		/* Timeout in seconds */
 
+	/* "Serial" write and read with read flush */
+	/* return icom error */
+	int (*write_read_ex)(
+		struct _icoms *p,
+		char *wbuf,			/* Write puffer */
+		int nwch,			/* if > 0, number of characters to write, else nul terminated */
+		char *rbuf,			/* Read buffer */
+		int bsize,			/* Buffer size. Make this larger than chars required! */
+		int *bread,			/* Bytes read (not including forced '\000') */
+		char *tc,			/* Terminating characers, NULL for none or char count mode */
+		int ntc,			/* Number of any terminating characters needed, or char count needed */
+		double tout,		/* Timeout in seconds */
+		int frbw);			/* nz to Flush Read Before Write */
+
 	/* For a USB device, do a control message */
 	/* return icom error */
 	int (*usb_control)(struct _icoms *p,
@@ -504,6 +595,16 @@ char *icoms_fix(char *s);
 /* Convert a limited binary buffer to a list of hex */
 char *icoms_tohex(unsigned char *s, int len);
 
+/* Implementation declarations */
+
+#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+
+int icoms_ser_write(icoms *p, char *wbuf, int nwch, double tout);
+int icoms_ser_read(icoms *p, char *rbuf, int bsize, int *bread,
+                                    char *tc, int ntc, double tout);
+
+#endif
+
 #ifdef __cplusplus
 	}
 #endif
diff --git a/spectro/icoms_nt.c b/spectro/icoms_nt.c
index 14258e9..b9e0d0c 100644
--- a/spectro/icoms_nt.c
+++ b/spectro/icoms_nt.c
@@ -1,5 +1,5 @@
-
- /* Windows NT serial I/O class */
+ 
+/* Windows NT serial I/O class */
 
 /* 
  * Argyll Color Correction System
@@ -14,195 +14,171 @@
  * see the License2.txt file for licencing details.
  */
 
+#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+
 #include <conio.h>
 
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
 instType fast_ser_inst_type(icoms *p, int tryhard, void *, void *); 
-#endif /* ENABLE_SERIAL */
-
-/* Create and return a list of available serial ports or USB instruments for this system. */
-/* We look at the registry key "HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM" */
-/* to determine serial ports, and use libusb to discover USB instruments. */
-/* Create and return a list of available serial ports or USB instruments for this system */
-/* return icom error */
-int icompaths_refresh_paths(icompaths *p) {
-	int rv, usbend = 0;
-	int i, j;
+
+/* Add paths to serial connected device. */
+/* Return an icom error */
+int serial_get_paths(icompaths *p, icom_type mask) {
+	int i;
 	LONG stat;
 	HKEY sch;		/* Serial coms handle */
 
-	a1logd(p->log, 8, "icoms_get_paths: called\n");
+	a1logd(p->log, 7, "serial_get_paths: called with mask = %d\n",mask);
 
-	/* Clear any existing paths */
-	p->clear(p);
-
-#ifdef ENABLE_USB
-	if ((rv = hid_get_paths(p)) != ICOM_OK)
-		return rv;
-	if ((rv = usb_get_paths(p)) != ICOM_OK)
-		return rv;
-#endif /* ENABLE_USB */
-	usbend = p->npaths;
-
-	a1logd(p->log, 6, "icoms_get_paths: got %d paths, looking up the registry for serial ports\n",p->npaths);
-
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
 	// (Beware KEY_WOW64_64KEY ?)
 
 #define MXKSIZE 500
 #define MXVSIZE 300
 
-	/* Look in the registry for serial ports */
-	if ((stat = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "HARDWARE\\DEVICEMAP\\SERIALCOMM",
-	                         0, KEY_READ, &sch)) != ERROR_SUCCESS) {
-		a1logd(p->log, 1, "icoms_get_paths: There don't appear to be any serial ports\n");
-		return ICOM_OK;			/* Maybe they have USB ports */
-	}
+	if (mask & (icomt_serial | icomt_fastserial | icomt_btserial)) {
 
-	/* Look at all the values in this key */
-	a1logd(p->log, 8, "icoms_get_paths: looking through all the values in the SERIALCOMM key\n");
-
-	for (i = 0; ; i++) {
-		char valname[MXKSIZE], *vp;
-		DWORD vnsize = MXKSIZE;
-		DWORD vtype;
-		char value[MXVSIZE];
-		DWORD vsize = MXVSIZE;
-		icom_ser_attr sattr = icom_normal;
-
-		stat = RegEnumValue(
-			sch,		/* handle to key to enumerate */
-			i,			/* index of subkey to enumerate */
-			valname,    /* address of buffer for value name */
-			&vnsize,	/* address for size of value name buffer */
-			NULL,		/* reserved */
-			&vtype,		/* Address of value type */
-			value,		/* Address of value buffer */
-			&vsize		/* Address of value buffer size */
-		);
-		if (stat == ERROR_NO_MORE_ITEMS) {
-			a1logd(p->log, 8, "icoms_get_paths: got ERROR_NO_MORE_ITEMS\n");
-			break;
-		}
-		if (stat == ERROR_MORE_DATA		/* Hmm. Should expand buffer size */
-		 || stat != ERROR_SUCCESS) {
-			a1logw(p->log, "icoms_get_paths: RegEnumValue failed with %d\n",stat);
-			break;
+		a1logd(p->log, 6, "serial_get_paths: looking up the registry for serial ports\n");
+		/* Look in the registry for serial ports */
+		if ((stat = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "HARDWARE\\DEVICEMAP\\SERIALCOMM",
+		                         0, KEY_READ, &sch)) != ERROR_SUCCESS) {
+			a1logd(p->log, 1, "serial_get_paths: There don't appear to be any serial ports\n");
+			return ICOM_OK;
 		}
-		valname[MXKSIZE-1] = '\000';
-		value[MXVSIZE-1] = '\000';
 
-		if (vtype != REG_SZ) {
-			a1logw(p->log, "icoms_get_paths: RegEnumValue didn't return stringz type\n");
-			continue;
-		}
+		/* Look at all the values in this key */
+		a1logd(p->log, 8, "serial_get_paths: looking through all the values in the SERIALCOMM key\n");
+
+		for (i = 0; ; i++) {
+			char valname[MXKSIZE], *vp;
+			DWORD vnsize = MXKSIZE;
+			DWORD vtype;
+			char value[MXVSIZE];
+			DWORD vsize = MXVSIZE;
+			icom_type dctype = icomt_unknown;
+
+			stat = RegEnumValue(
+				sch,		/* handle to key to enumerate */
+				i,			/* index of subkey to enumerate */
+				valname,    /* address of buffer for value name */
+				&vnsize,	/* address for size of value name buffer */
+				NULL,		/* reserved */
+				&vtype,		/* Address of value type */
+				value,		/* Address of value buffer */
+				&vsize		/* Address of value buffer size */
+			);
+			if (stat == ERROR_NO_MORE_ITEMS) {
+				a1logd(p->log, 8, "serial_get_paths: got ERROR_NO_MORE_ITEMS\n");
+				break;
+			}
+			if (stat == ERROR_MORE_DATA		/* Hmm. Should expand buffer size */
+			 || stat != ERROR_SUCCESS) {
+				a1logw(p->log, "serial_get_paths: RegEnumValue failed with %d\n",stat);
+				break;
+			}
+			valname[MXKSIZE-1] = '\000';
+			value[MXVSIZE-1] = '\000';
 
-		if ((vp = strrchr(valname, '\\')) == NULL)
-			vp = valname;
-		else
-			vp++;
+			if (vtype != REG_SZ) {
+				a1logw(p->log, "serial_get_paths: RegEnumValue didn't return stringz type\n");
+				continue;
+			}
 
-		/* See if it looks like a fast port */
-		if (strncmp(vp, "VCP", 3) == 0) {				/* Virtual */
-			sattr |= icom_fast;
-		}
+			if ((vp = strrchr(valname, '\\')) == NULL)
+				vp = valname;
+			else
+				vp++;
 
-		if (strncmp(vp, "BtPort", 6) == 0) {		/* Blue tooth */
-			sattr |= icom_fast;
-			sattr |= icom_bt;
-		}
+			a1logd(p->log, 8, "serial_get_paths: checking '%s'\n",vp);
+
+			/* See if it looks like a fast port */
+			if (strncmp(vp, "VCP", 3) == 0) {			/* Virtual */
+				dctype |= icomt_fastserial;
+			}
+
+			if (strncmp(vp, "USBSER", 6) == 0) {		/* USB Serial port */
+				dctype |= icomt_fastserial;
+			}
+
+			if (strncmp(vp, "BtPort", 6) == 0			/* Blue tooth */
+			 || strncmp(vp, "BthModem", 8) == 0) {
+				dctype |= icomt_fastserial;
+				dctype |= icomt_btserial;
+			}
 
 #ifndef ENABLE_SERIAL
-		if (sattr & icom_fast) {		/* Only add fast ports if !ENABLE_SERIAL */
+			if (dctype & icomt_fastserial) {	/* Only add fast ports if !ENABLE_SERIAL */
 #endif
-		/* Add the port to the list */
-		p->add_serial(p, value, value, sattr);
-		a1logd(p->log, 8, "icoms_get_paths: Added path '%s' sattr 0x%x\n",value,sattr);
+			if (((mask & icomt_serial) && !(dctype & icomt_fastserial))
+			 || ((mask & icomt_fastserial) && (dctype & icomt_fastserial)
+			                               && !(dctype & icomt_btserial))
+			 || ((mask & icomt_btserial) && (dctype & icomt_btserial))) {
+
+				// ~~ would be nice to add better description, similar
+				//    to that of device manager, i.e. "Prolific USB-to-SerialBridge (COM6)"
+				/* Add the port to the list */
+				p->add_serial(p, value, value, dctype);
+				a1logd(p->log, 8, "serial_get_paths: Added '%s' path '%s' dctype 0x%x\n",vp, value,dctype);
+			}
 #ifndef ENABLE_SERIAL
-		}
+			}
 #endif
 
-		/* If fast, try and identify it */
-		if (sattr & icom_fast) {
-			icompath *path;
-			icoms *icom;
-			if ((path = p->get_last_path(p)) != NULL
-			 && (icom = new_icoms(path, p->log)) != NULL) {
-				instType itype = fast_ser_inst_type(icom, 0, NULL, NULL);
-				if (itype != instUnknown)
-					icompaths_set_serial_itype(path, itype);
-				icom->del(icom);
+			/* If fast, try and identify it */
+			if (dctype & icomt_fastserial) {
+				icompath *path;
+				icoms *icom;
+				if ((path = p->get_last_path(p)) != NULL
+				 && (icom = new_icoms(path, p->log)) != NULL) {
+					devType itype = fast_ser_inst_type(icom, 0, NULL, NULL);
+					if (itype != instUnknown)
+						icompaths_set_serial_itype(path, itype);	/* And set category */
+					icom->del(icom);
+				}
+				a1logd(p->log, 8, "serial_get_paths: Identified '%s' dctype 0x%x\n",inst_sname(path->itype),path->dctype);
 			}
 		}
-	}
-	if ((stat = RegCloseKey(sch)) != ERROR_SUCCESS) {
-		a1logw(p->log, "icoms_get_paths: RegCloseKey failed with %d\n",stat);
-	}
-#endif /* ENABLE_SERIAL || ENABLE_FAST_SERIAL */
-
-	/* Sort the COM keys so people don't get confused... */
-	/* Sort identified instruments ahead of unknown serial ports */
-	a1logd(p->log, 6, "icoms_get_paths: we now have %d entries and are about to sort them\n",p->npaths);
-	for (i = usbend; i < (p->npaths-1); i++) {
-		for (j = i+1; j < p->npaths; j++) {
-			if ((p->paths[i]->itype == instUnknown && p->paths[j]->itype != instUnknown)
-			 || (((p->paths[i]->itype == instUnknown && p->paths[j]->itype == instUnknown)
-			   || (p->paths[i]->itype != instUnknown && p->paths[j]->itype != instUnknown))
-			  && strcmp(p->paths[i]->name, p->paths[j]->name) > 0)) {
-				icompath *tt = p->paths[i];
-				p->paths[i] = p->paths[j];
-				p->paths[j] = tt;
-			}
+		if ((stat = RegCloseKey(sch)) != ERROR_SUCCESS) {
+			a1logw(p->log, "serial_get_paths: RegCloseKey failed with %d\n",stat);
 		}
 	}
 
-	a1logd(p->log, 8, "icoms_get_paths: returning %d paths and ICOM_OK\n",p->npaths);
-
 	return ICOM_OK;
 }
 
+/* -------------------------------------------------------------------- */
 
-/* Close the port */
-static void icoms_close_port(icoms *p) {
-	if (p->is_open) {
-#ifdef ENABLE_USB
-		if (p->usbd) {
-			usb_close_port(p);
-		} else if (p->hidd) {
-			hid_close_port(p);
-		}
-#endif
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-		if (p->phandle != NULL) {
-			CloseHandle(p->phandle);
-		}
-#endif /* ENABLE_SERIAL */
-		p->is_open = 0;
-	}
+/* Is the serial port actually open ? */
+int serial_is_open(icoms *p) {
+	return p->phandle != NULL;
 }
 
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+/* Close the serial port */
+void serial_close_port(icoms *p) {
+
+	if (p->is_open && p->phandle != NULL) {
+		CloseHandle(p->phandle);
+		p->phandle = NULL;
+		msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
+	}
+}
 
-static int icoms_ser_write(icoms *p, char *wbuf, int nwch, double tout);
-static int icoms_ser_read(icoms *p, char *rbuf, int bsize, int *bread,
-                                    char *tc, int ntc, double tout);
+/* -------------------------------------------------------------------- */
 
 #ifndef CBR_921600
 # define CBR_921600 921600
 #endif
 
-/* Set the serial port characteristics */
+/* Set the serial port characteristics - extended */
 /* This always re-opens the port */
 /* return an icom error */
 static int
-icoms_set_ser_port(
+icoms_set_ser_port_ex(
 icoms *p, 
 flow_control fc,
 baud_rate	 baud,
 parity		 parity,
 stop_bits	 stop,
-word_length	 word)
-{
+word_length	 word,
+int          delayms) {		/* Delay after open in msec */		
 
 	a1logd(p->log, 8, "icoms_set_ser_port: About to set port characteristics:\n"
 		              "       Port name = %s\n"
@@ -211,10 +187,13 @@ word_length	 word)
 		              "       Parity = %d\n"
 		              "       Stop bits = %d\n"
 		              "       Word length = %d\n"
-		              ,p->name ,fc ,baud_rate_to_str(baud) ,parity ,stop ,word);
+		              "       Open delay = %d ms\n"
+		              ,p->name ,fc ,baud_rate_to_str(baud) ,parity ,stop ,word, delayms);
 
-	if (p->is_open)
+	if (p->is_open) {
+		a1logd(p->log, 8, "icoms_set_ser_port: closing port '%s'\n",p->name);
 		p->close_port(p);
+	}
 
 	if (p->port_type(p) == icomt_serial) {
 		DCB dcb;
@@ -234,7 +213,7 @@ word_length	 word)
 
 		/* Make sure the port is open */
 		if (!p->is_open) {
-			char buf[50];	/* Temporary for COM device path */
+			char buf[100];	/* Temporary for COM device path */
 
 			a1logd(p->log, 8, "icoms_set_ser_port: about to open serial port '%s'\n",p->spath);
 
@@ -253,11 +232,18 @@ word_length	 word)
 				a1logd(p->log, 1, "icoms_set_ser_port: open port '%s' failed with LastError %d\n",buf,GetLastError());
 				return ICOM_SYS;
 			}
+
+			if (delayms < 160)		/* Seems to need at least 80 msec with many drivers */
+				delayms = 160;
+
+			msec_sleep(delayms);	/* For Bluetooth */
+
 			p->is_open = 1;
 		}
 
 		if (GetCommState(p->phandle, &dcb) == FALSE) {
 			CloseHandle(p->phandle);
+			msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 			a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: reading state '%s' failed with LastError %d\n",p->spath,GetLastError());
 			return ICOM_SYS;
 		}
@@ -274,14 +260,17 @@ word_length	 word)
 		dcb.fErrorChar = FALSE;
 		dcb.fNull = FALSE;
 		dcb.fRtsControl = RTS_CONTROL_ENABLE;		/* Turn RTS on during connection */
-//		dcb.fAbortOnError = TRUE;					// Hmm. Stuffs up FTDI. Is it needed ?
-		dcb.fAbortOnError = FALSE;
+		dcb.fAbortOnError = FALSE;					/* Hmm. TRUE Stuffs up FTDI. Is it needed ? */
 
 		switch (p->fc) {
 			case fc_nc:
 				CloseHandle(p->phandle);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal flow control %d\n",p->fc);
 				return ICOM_SYS;
+			case fc_None:
+				/* Use no flow control */
+				break;
 			case fc_XonXOff:
 				/* Use Xon/Xoff bi-directional flow control */
 				dcb.fOutX = TRUE;
@@ -307,6 +296,7 @@ word_length	 word)
 		switch (p->py) {
 			case parity_nc:
 				CloseHandle(p->phandle);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal parity setting %d\n",p->py);
 				return ICOM_SYS;
 			case parity_none:
@@ -328,6 +318,7 @@ word_length	 word)
 		switch (p->sb) {
 			case stop_nc:
 				CloseHandle(p->phandle);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal stop bits %d\n",p->sb);
 				return ICOM_SYS;
 			case stop_1:
@@ -341,6 +332,7 @@ word_length	 word)
 		switch (p->wl) {
 			case length_nc:
 				CloseHandle(p->phandle);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal word length %d\n",p->wl);
 				return ICOM_SYS;
 			case length_5:
@@ -399,20 +391,24 @@ word_length	 word)
 				break;
 			default:
 				CloseHandle(p->phandle);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal baud rate! (0x%x)\n",p->br);
 				return ICOM_SYS;
 		}
 
-		PurgeComm(p->phandle, PURGE_TXCLEAR | PURGE_RXCLEAR);
+		PurgeComm(p->phandle, PURGE_RXABORT | PURGE_RXCLEAR | PURGE_TXABORT | PURGE_TXCLEAR);
 
 		if (!SetCommState(p->phandle, &dcb)) {
 			CloseHandle(p->phandle);
+			msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 			a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: SetCommState failed with LastError %d\n",
 			                                                                   GetLastError());
 			return ICOM_SYS;
 		}
 
-		PurgeComm(p->phandle, PURGE_TXCLEAR | PURGE_RXCLEAR);
+		PurgeComm(p->phandle, PURGE_RXABORT | PURGE_RXCLEAR | PURGE_TXABORT | PURGE_TXCLEAR);
+
+		msec_sleep(50);		/* Improves reliability of USB<->Serial converters */
 
 		p->write = icoms_ser_write;
 		p->read = icoms_ser_read;
@@ -423,6 +419,22 @@ word_length	 word)
 	return ICOM_OK;
 }
 
+/* Set the serial port characteristics */
+/* This always re-opens the port */
+/* return an icom error */
+static int
+icoms_set_ser_port(
+icoms *p, 
+flow_control fc,
+baud_rate	 baud,
+parity		 parity,
+stop_bits	 stop,
+word_length	 word)
+{
+	return icoms_set_ser_port_ex(p, fc, baud, parity, stop, word, 0);
+}
+
+
 /* ---------------------------------------------------------------------------------*/
 /* Serial write, read */
 
@@ -430,7 +442,7 @@ word_length	 word)
 /* Data will be written up to the terminating nul */
 /* Return relevant error status bits */
 /* Set the icoms lserr value */
-static int
+int
 icoms_ser_write(
 icoms *p,
 char *wbuf,			/* null terminated unless nwch > 0 */
@@ -519,7 +531,7 @@ double tout)
 
 /* Read characters into the buffer */
 /* Return string will be terminated with a nul */
-static int
+int
 icoms_ser_read(
 icoms *p,
 char *rbuf,			/* Buffer to store characters read */
@@ -645,30 +657,5 @@ double tout			/* Time out in seconds */
 	return p->lserr;
 }
 
-#endif /* ENABLE_SERIAL */
-/* ---------------------------------------------------------------------------------*/
-
-
-/* Destroy ourselves */
-static void
-icoms_del(icoms *p) {
-	a1logd(p->log, 8, "icoms_del: called\n");
-	if (p->is_open) {
-		a1logd(p->log, 8, "icoms_del: closing port\n");
-		p->close_port(p);
-	}
-#ifdef ENABLE_USB
-	usb_del_usb(p);
-	hid_del_hid(p);
-#endif
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-	if (p->spath != NULL)
-		free(p->spath);
-#endif
-	p->log = del_a1log(p->log);
-	if (p->name != NULL)
-		free(p->name);
-	p->log = del_a1log(p->log);		/* unref */
-	free (p);
-}
+#endif /* ENABLE_SERIAL || ENABLE_FAST_SERIAL*/
 
diff --git a/spectro/icoms_ux.c b/spectro/icoms_ux.c
index 7fb7359..9e79d7f 100644
--- a/spectro/icoms_ux.c
+++ b/spectro/icoms_ux.c
@@ -1,5 +1,5 @@
 
- /* Unix icoms and serial I/O class */
+/* Unix icoms and serial I/O class */
 
 /* 
  * Argyll Color Correction System
@@ -18,6 +18,8 @@
     TTBD:
  */
 
+#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+
 #include <sys/types.h>      /* Include sys/select.h ? */
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -27,62 +29,50 @@
 
 /* select() defined, but not poll(), so emulate poll() */
 #if defined(FD_CLR) && !defined(POLLIN)
-#include "pollem.h"
-#define poll_x pollem
+# include "pollem.h"
+# define poll_x pollem
 #else
-#include <sys/poll.h>	/* Else assume poll() is native */
-#define poll_x poll
+# include <sys/poll.h>	/* Else assume poll() is native */
+# define poll_x poll
 #endif
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 //#include <stdbool.h>
-#include <sys/sysctl.h>
-#include <sys/param.h>
-#include <CoreFoundation/CoreFoundation.h>
-#include <IOKit/IOKitLib.h>
-#include <IOKit/serial/IOSerialKeys.h>
-#include <IOKit/IOBSD.h>
-#include <mach/mach_init.h>
-#include <mach/task_policy.h>
-#endif /* __APPLE__ */
-
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-instType fast_ser_inst_type(icoms *p, int tryhard, void *, void *); 
-#endif /* ENABLE_SERIAL */
+# include <sys/sysctl.h>
+# include <sys/param.h>
+# include <CoreFoundation/CoreFoundation.h>
+# include <IOKit/IOKitLib.h>
+# include <IOKit/serial/IOSerialKeys.h>
+# include <IOKit/IOBSD.h>
+# include <mach/mach_init.h>
+# include <mach/task_policy.h>
+#endif /* UNIX_APPLE */
 
-/* Create and return a list of available serial ports or USB instruments for this system */
-/* return icom error */
-int icompaths_refresh_paths(icompaths *p) {
-	int rv, usbend = 0;
-	int i,j;
 
-	a1logd(p->log, 8, "icoms_get_paths: called\n");
+instType fast_ser_inst_type(icoms *p, int tryhard, void *, void *); 
 
-	/* Clear any existing paths */
-	p->clear(p);
+/* Add paths to serial connected device. */
+/* Return an icom error */
+int serial_get_paths(icompaths *p, icom_type mask) {
+	int rv;
 
-#ifdef ENABLE_USB
-	if ((rv = hid_get_paths(p)) != ICOM_OK)
-		return rv;
-	if ((rv = usb_get_paths(p)) != ICOM_OK)
-		return rv;
-#endif /* ENABLE_USB */
-	usbend = p->npaths;
+	a1logd(p->log, 7, "serial_get_paths: called with mask %d\n",mask);
 
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	/* Search the OSX registry for serial ports */
-	{
+	if (mask & (icomt_serial | icomt_fastserial | icomt_btserial)) {
 	    kern_return_t kstat; 
 	    mach_port_t mp;						/* Master IO port */
 	    CFMutableDictionaryRef sdict;		/* Serial Port  dictionary */
 		io_iterator_t mit;					/* Matching itterator */
 		io_object_t ioob;					/* Serial object found */
 
+		a1logd(p->log, 6, "serial_get_paths: looking up serial ports services\n");
+
 		/* Get dictionary of serial ports */
     	if ((sdict = IOServiceMatching(kIOSerialBSDServiceValue)) == NULL) {
         	a1loge(p->log, ICOM_SYS, "IOServiceMatching returned a NULL dictionary\n");
-			return ICOM_OK;
+			return ICOM_OK;		/* Hmm. There are no serial ports ? */
 		}
 
 		/* Set value to match to RS232 type serial */
@@ -98,7 +88,7 @@ int icompaths_refresh_paths(icompaths *p) {
 		/* Find all the matching serial ports */
 		for (;;) {
 			char pname[200];
-			icom_ser_attr sattr = icom_normal;
+			icom_type dctype = icomt_unknown;
 			
 	        CFTypeRef dfp;		/* Device file path */
 
@@ -114,36 +104,50 @@ int icompaths_refresh_paths(icompaths *p) {
 			if (!CFStringGetCString(dfp, pname, 100, kCFStringEncodingASCII))
 				goto continue2;
 
-			/* Ignore infra red port or Bluetooth, or any other noise */
+			a1logd(p->log, 8, "serial_get_paths: checking '%s'\n",pname);
+
+			/* Ignore infra red port or any other noise */
 			if (strstr(pname, "IrDA") != NULL
 			 || strstr(pname, "Dialup") != NULL
-			 || strstr(pname, "Bluetooth") != NULL)
+			 || strstr(pname, "PDA-Sync") != NULL)
 				goto continue2;
 
 			/* Would be nice to identify FTDI serial ports more specifically ? */
 			if (strstr(pname, "usbserial") != NULL)
-				sattr |= icom_fast;
+				dctype |= icomt_fastserial;
+
+			if (strstr(pname, "Bluetooth") != NULL
+			 || strstr(pname, "JETI") != NULL) {
+				dctype |= icomt_fastserial;
+				dctype |= icomt_btserial;
+			}
 
 #ifndef ENABLE_SERIAL
-			if (sattr & icom_fast) {		/* Only add fast ports if !ENABLE_SERIAL */
+			if (dctype & icomt_fastserial) {		/* Only add fast ports if !ENABLE_SERIAL */
 #endif
-			/* Add the port to the list */
-			p->add_serial(p, pname, pname, sattr);
-			a1logd(p->log, 8, "icoms_get_paths: Added path '%s' attr 0x%x\n",pname, sattr);
+			if (((mask & icomt_serial) && !(dctype & icomt_fastserial))
+			 || ((mask & icomt_fastserial) && (dctype & icomt_fastserial)
+			                               && !(dctype & icomt_btserial))
+			 || ((mask & icomt_btserial) && (dctype & icomt_btserial))) {
+				/* Add the port to the list */
+				p->add_serial(p, pname, pname, dctype);
+				a1logd(p->log, 8, "serial_get_paths: Added path '%s' dctype 0x%x\n",pname, dctype);
+			}
 #ifndef ENABLE_SERIAL
 			}
 #endif
 			/* If fast, try and identify it */
-			if (sattr & icom_fast) {
+			if (dctype & icomt_fastserial) {
 				icompath *path;
 				icoms *icom;
 				if ((path = p->get_last_path(p)) != NULL
 				 && (icom = new_icoms(path, p->log)) != NULL) {
 					instType itype = fast_ser_inst_type(icom, 0, NULL, NULL);
 					if (itype != instUnknown)
-						icompaths_set_serial_itype(path, itype);
+						icompaths_set_serial_itype(path, itype);	/* And set category */
 					icom->del(icom);
 				}
+				a1logd(p->log, 8, "serial_get_paths: Identified '%s' dctype 0x%x\n",inst_sname(path->itype),path->dctype);
 			}
 		continue2:
             CFRelease(dfp);
@@ -152,8 +156,9 @@ int icompaths_refresh_paths(icompaths *p) {
 		}
 	    IOObjectRelease(mit);			/* Release the itterator */
 	}
-#else
-	/* Other UNIX like systems */
+
+#else /* Other UNIX like systems */
+
 	/* Many are crude and list every available device name, whether */
 	/* it's usable or not. Do any UNIX systems have a mechanism for listing */
 	/* serial ports ?? */
@@ -203,12 +208,16 @@ int icompaths_refresh_paths(icompaths *p) {
 	*/
 
 	/* Search for devices that match the pattern /dev/ttyS[0-9]* and /dev/ttyUSB* */
-	/* We will assume that ttyUSB* ports includes FTDI ports */
-	{
+	/* We will assume that ttyUSB* ports includes FTDI ports. */
+	/* Bluetooth ports are named ttyHS* or rfcomm* ?? */
+
+	if (mask & (icomt_serial | icomt_fastserial | icomt_bt)) {
 		DIR *dd;
 		struct dirent *de;
 		char *dirn = "/dev/";
 	
+		a1logd(p->log, 6, "serial_get_paths: looking up serial port devices\n");
+
 		if ((dd = opendir(dirn)) == NULL) {
 			a1loge(p->log, ICOM_SYS, "failed to open directory \"%s\"\n",dirn);
 			return ICOM_OK;
@@ -217,10 +226,13 @@ int icompaths_refresh_paths(icompaths *p) {
 		for (;;) {
 			int fd;
 			char *dpath;
-			icom_ser_attr sattr = icom_normal;
+			icom_type dctype = icomt_unknown;
 
-			if ((de = readdir(dd)) == NULL)
+			if ((de = readdir(dd)) == NULL) {
 				break;
+			}
+
+			a1logd(p->log, 8, "serial_get_paths: checking '%s'\n",de->d_name);
 
 			if (!(
 #if defined(__FreeBSD__) || defined(__OpenBSD__)
@@ -231,27 +243,32 @@ int icompaths_refresh_paths(icompaths *p) {
 				/* Presumably Linux.. */
 			    (   strncmp(de->d_name, "ttyS", 4) == 0
 			     && de->d_name[4] >= '0' && de->d_name[4] <= '9')
-			 || (   strncmp(de->d_name, "ttyUSB", 5) == 0)
+			 || (   strncmp(de->d_name, "ttyUSB", 6) == 0)
+			 || (   strncmp(de->d_name, "ttyHS", 5) == 0)
+			 || (   strncmp(de->d_name, "rfcomm", 6) == 0)
 #endif
 			))
 				continue;
 
 			if ((dpath = (char *)malloc(strlen(dirn) + strlen(de->d_name) + 1)) == NULL) {
 				closedir(dd);
-				a1loge(p->log, ICOM_SYS, "icompaths_refresh_paths() malloc failed!\n");
+				a1loge(p->log, ICOM_SYS, "icompaths_refresh_paths_sel() malloc failed!\n");
 				return ICOM_SYS;
 			}
 			strcpy(dpath, dirn);
 			strcat(dpath, de->d_name);
 
 			/* See if the serial port is real */
-			if (strncmp(de->d_name, "ttyUSB", 5) != 0) {
+			if (strncmp(de->d_name, "ttyUSB", 6) != 0
+			 && strncmp(de->d_name, "ttyHS", 5) != 0
+			 && strncmp(de->d_name, "rfcomm", 6) != 0) {
 
 				/* Hmm. This is probably a bad idea - it can upset other */
 				/* programs that use the serial ports ? */
 				if ((fd = open(dpath, O_RDONLY | O_NOCTTY | O_NONBLOCK)) < 0) {
-					a1logd(p->log, 8, "icoms_get_paths: failed to open serial \"%s\" - not real\n",dpath);
+					a1logd(p->log, 8, "serial_get_paths: failed to open serial \"%s\" r/o - not real\n",dpath);
 					free(dpath);
+					msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 					continue;
 				}
 				/* On linux we could do a 
@@ -267,94 +284,83 @@ int icompaths_refresh_paths(icompaths *p) {
 	
 				 */
 				close(fd);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
+				a1logd(p->log, 8, "serial_get_paths: open'd serial \"%s\" r/o - assume real\n",dpath);
 			}
-			a1logd(p->log, 8, "icoms_get_paths: open'd serial \"%s\" - assume real\n",dpath);
 
-			if (strncmp(de->d_name, "ttyUSB", 5) == 0)
-				sattr |= icom_fast;
+			if (strncmp(de->d_name, "ttyUSB", 6) == 0
+			 || strncmp(de->d_name, "ttyHS", 5) == 0
+			 || strncmp(de->d_name, "rfcomm", 6) == 0)
+				dctype |= icomt_fastserial;
+
+			if (strncmp(de->d_name, "rfcomm", 6) == 0) {
+				dctype |= icomt_fastserial;
+				dctype |= icomt_btserial;
+			}
 
 #ifndef ENABLE_SERIAL
-			if (sattr & icom_fast) {		/* Only add fast ports if !ENABLE_SERIAL */
+			if (dctype & icomt_fastserial) {		/* Only add fast ports if !ENABLE_SERIAL */
 #endif
-			/* Add the path to the list */
-			p->add_serial(p, dpath, dpath, 0);
-			a1logd(p->log, 8, "icoms_get_paths: Added path '%s' attr 0x%x\n",dpath,sattr);
+			if (((mask & icomt_serial) && !(dctype & icomt_fastserial))
+			 || ((mask & icomt_fastserial) && (dctype & icomt_fastserial)
+			                               && !(dctype & icomt_btserial))
+			 || ((mask & icomt_btserial) && (dctype & icomt_btserial))) {
+				/* Add the port to the list */
+				p->add_serial(p, dpath, dpath, dctype);
+				a1logd(p->log, 8, "serial_get_paths: Added path '%s' dctype 0x%x\n",dpath, dctype);
+			}
 #ifndef ENABLE_SERIAL
 			}
 #endif
 			free(dpath);
 
 			/* If fast, try and identify it */
-			if (sattr & icom_fast) {
+			if (dctype & icomt_fastserial) {
 				icompath *path;
 				icoms *icom;
 				if ((path = p->get_last_path(p)) != NULL
 				 && (icom = new_icoms(path, p->log)) != NULL) {
 					instType itype = fast_ser_inst_type(icom, 0, NULL, NULL);
 					if (itype != instUnknown)
-						icompaths_set_serial_itype(path, itype);
+						icompaths_set_serial_itype(path, itype);	/* And set category */
 					icom->del(icom);
 				}
+				a1logd(p->log, 8, "serial_get_paths: Identified '%s' dctype 0x%x\n",inst_sname(path->itype),path->dctype);
 			}
 		}
 		closedir(dd);
 	}
-#endif /* ! __APPLE__ */
-#endif /* ENABLE_SERIAL */
-
-	/* Sort the serial /dev keys so people don't get confused... */
-	/* Sort identified instruments ahead of unknown serial ports */
-	for (i = usbend; i < (p->npaths-1); i++) {
-		for (j = i+1; j < p->npaths; j++) {
-			if ((p->paths[i]->itype == instUnknown && p->paths[j]->itype != instUnknown)
-			 || (((p->paths[i]->itype == instUnknown && p->paths[j]->itype == instUnknown)
-			   || (p->paths[i]->itype != instUnknown && p->paths[j]->itype != instUnknown))
-			  && strcmp(p->paths[i]->name, p->paths[j]->name) > 0)) {
-				icompath *tt = p->paths[i];
-				p->paths[i] = p->paths[j];
-				p->paths[j] = tt;
-			}
-		}
-	}
+#endif /* ! UNIX_APPLE */
+
 	return ICOM_OK;
 }
 
 /* -------------------------------------------------------------------- */
 
-/* Close the port */
-static void icoms_close_port(icoms *p) {
-	if (p->is_open) {
-#ifdef ENABLE_USB
-		if (p->usbd) {
-			usb_close_port(p);
-		} else if (p->hidd) {
-			hid_close_port(p);
-		}
-#endif
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-		if (p->fd != -1) {
-			close(p->fd);
-			p->fd = -1;
-		}
-#endif /* ENABLE_SERIAL */
-		p->is_open = 0;
-	}
+/* Is the serial port actually open ? */
+int serial_is_open(icoms *p) {
+	return p->fd != -1;
 }
 
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
+/* Close the serial port */
+void serial_close_port(icoms *p) {
 
-static int icoms_ser_write(icoms *p, char *wbuf, int nwch, double tout);
-static int icoms_ser_read(icoms *p, char *rbuf, int bsize, int *bread,
-                                    char *tc, int ntc, double tout);
+	if (p->is_open && p->fd != -1) {
+		close(p->fd);
+		p->fd = -1;
+		msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
+	}
+}
 
+/* -------------------------------------------------------------------- */
 
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 # ifndef IOSSIOSPEED
 #  define IOSSIOSPEED    _IOW('T', 2, speed_t)
 # endif
 #endif 
 
-#if defined(__APPLE__) || defined(__OpenBSD__)
+#if defined(UNIX_APPLE) || defined(__OpenBSD__)
 # ifndef B921600
 #  define B921600 921600
 # endif
@@ -364,14 +370,14 @@ static int icoms_ser_read(icoms *p, char *rbuf, int bsize, int *bread,
 /* This always re-opens the port */
 /* return icom error */
 static int
-icoms_set_ser_port(
+icoms_set_ser_port_ex(
 icoms       *p, 
 flow_control fc,
 baud_rate	 baud,
 parity		 parity,
 stop_bits	 stop,
-word_length	 word
-) {
+word_length	 word,
+int          delayms) {		/* Delay after open in msec */		
 	int rv;
 	struct termios tio;
 	speed_t speed = 0;
@@ -379,15 +385,18 @@ word_length	 word
 	a1logd(p->log, 8, "icoms_set_ser_port: About to set port characteristics:\n"
 		              "       Port name = %s\n"
 		              "       Flow control = %d\n"
-		              "       Baud Rate = %d\n"
+		              "       Baud Rate = %s\n"
 		              "       Parity = %d\n"
 		              "       Stop bits = %d\n"
 		              "       Word length = %d\n"
-		              ,p->name ,fc ,baud ,parity ,stop ,word);
+	                  "       Open delay = %d ms\n"
+		              ,p->name ,fc ,baud_rate_to_str(baud) ,parity ,stop ,word, delayms);
 
 
-	if (p->is_open) 	/* Close it and re-open it */
+	if (p->is_open) { 	/* Close it and re-open it */
+		a1logd(p->log, 8, "icoms_set_ser_port: closing port\n");
 		p->close_port(p);
+	}
 
 	if (p->port_type(p) == icomt_serial) {
 
@@ -410,10 +419,52 @@ word_length	 word
 			a1logd(p->log, 8, "icoms_set_ser_port: about to open serial port '%s'\n",p->spath);
 
 			if ((p->fd = open(p->spath, O_RDWR | O_NOCTTY )) < 0) {
-				a1logd(p->log, 1, "icoms_set_ser_port: open port '%s' failed with %d (%s)\n",p->spath,p->fd,strerror(errno));
+				a1logd(p->log, 1, "icoms_set_ser_port: open port '%s' r/w failed with %d (%s)\n",p->spath,p->fd,strerror(errno));
+
+			if (delayms < 160)		/* Seems to need at least 80 msec for many drivers */
+				delayms = 160;
+
+			msec_sleep(delayms);	/* For Bluetooth */
+
+#ifdef NEVER	/* See what supplementary groups we are a member of */
+		{
+			int j, ngroups = 16;
+			gid_t *groups = (gid_t *)malloc (ngroups * sizeof(gid_t));
+			struct passwd *pw = getpwuid(getuid());
+		
+			if (groups == NULL) {
+				a1logd(p->log, 0, "icoms_set_ser_port: malloc of sgroups failed\n");
+				goto fail;
+			}
+			if (pw == NULL) {
+				a1logd(p->log, 0, "icoms_set_ser_port: getpwuid failed\n");
+				goto fail;
+			}
+		
+			if (getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups) < 0) {
+				groups = realloc(groups, ngroups * sizeof(gid_t));
+				if (groups == NULL) {
+					a1logd(p->log, 0, "icoms_set_ser_port: realloc of sgroups failed\n");
+					goto fail;
+				}
+				getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
+			}
+			a1logd(p->log, 0, "icoms_set_ser_port: ngroups = %d\n", ngroups);
+			for (j = 0; j < ngroups; j++) {
+				struct group *gr = getgrgid(groups[j]);
+				if (gr != NULL)
+					a1logd(p->log, 0, "icoms_set_ser_port: %d: gid %d\n", j,groups[j]);
+				else
+					a1logd(p->log, 0, "icoms_set_ser_port: %d: gid %d (%s)\n", j,groups[j],gr->gr_name);
+			}
+			  fail:;
+		}
+#endif
 				return ICOM_SYS;
 			}
+
 			/* O_NONBLOCK O_SYNC */
+
 			p->is_open = 1;
 		}
 
@@ -448,6 +499,7 @@ word_length	 word
 		switch (p->fc) {
 			case fc_nc:
 				close(p->fd);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal flow control %d\n",p->fc);
 				return ICOM_SYS;
 			case fc_XonXOff:
@@ -459,7 +511,7 @@ word_length	 word
 				break;
 			case fc_Hardware:
 				/* Use RTS/CTS bi-directional flow control */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				tio.c_cflag |= CCTS_OFLOW;
 				tio.c_cflag |= CRTS_IFLOW;
 #else
@@ -468,7 +520,7 @@ word_length	 word
 				break;
 			case fc_HardwareDTR:
 				/* Use DTR/DSR bi-directional flow control */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				tio.c_cflag |= CDSR_OFLOW;
 				tio.c_cflag |= CDTR_IFLOW;
 #else
@@ -484,6 +536,7 @@ word_length	 word
 		switch (p->py) {
 			case parity_nc:
 				close(p->fd);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal parity setting %d\n",p->py);
 				return ICOM_SYS;
 				break;
@@ -504,6 +557,7 @@ word_length	 word
 		switch (p->sb) {
 			case stop_nc:
 				close(p->fd);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal stop bits %d\n",p->sb);
 				return ICOM_SYS;
 			case stop_1:
@@ -516,6 +570,7 @@ word_length	 word
 		switch (p->wl) {
 			case length_nc:
 				close(p->fd);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal word length %d\n",p->wl);
 				return ICOM_SYS;
 			case length_5:
@@ -572,6 +627,7 @@ word_length	 word
 				break;
 			default:
 				close(p->fd);
+				msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 				a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: illegal baud rate! (0x%x)\n",p->br);
 				return ICOM_SYS;
 		}
@@ -589,11 +645,13 @@ word_length	 word
 #endif
 		if ((rv = cfsetispeed(&tio,  speed)) < 0) {
 			close(p->fd);
+			msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 			a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: cfsetispeed failed with '%s'\n", strerror(errno));
 			return ICOM_SYS;
 		}
 		if ((rv = cfsetospeed(&tio,  speed)) < 0) {
 			close(p->fd);
+			msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 			a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: cfsetospeed failed with '%s'\n", strerror(errno));
 			return ICOM_SYS;
 		}
@@ -601,11 +659,13 @@ word_length	 word
 		/* Make change immediately */
 		if ((rv = tcsetattr(p->fd, TCSANOW, &tio)) < 0) {
 			close(p->fd);
+			msec_sleep(100);		/* Improves reliability of USB<->Serial converters */
 			a1loge(p->log, ICOM_SYS, "icoms_set_ser_port: tcsetattr failed with '%s'\n", strerror(errno));
 			return ICOM_SYS;
 		}
 
 		tcflush(p->fd, TCIOFLUSH);			/* Discard any current in/out data */
+		msec_sleep(50);		/* Improves reliability of USB<->Serial converters */
 
 		p->write = icoms_ser_write;
 		p->read = icoms_ser_read;
@@ -616,6 +676,29 @@ word_length	 word
 	return ICOM_OK;
 }
 
+/* Set the serial port characteristics */
+/* This always re-opens the port */
+/* return an icom error */
+static int
+icoms_set_ser_port(
+icoms *p, 
+flow_control fc,
+baud_rate	 baud,
+parity		 parity,
+stop_bits	 stop,
+word_length	 word)
+{
+	return icoms_set_ser_port_ex(p, fc, baud, parity, stop, word, 0);
+}
+
+/* ------------------------------ */
+/* Could add read flush function, to discard all read data using 
+
+	tcflush(fd, TCIFLUSH);
+
+*/
+
+
 /* ---------------------------------------------------------------------------------*/
 /* Serial write/read */
 
@@ -623,7 +706,7 @@ word_length	 word
 /* Data will be written up to the terminating nul */
 /* Return relevant error status bits */
 /* Set the icoms lserr value */
-static int
+int
 icoms_ser_write(
 icoms *p,
 char *wbuf,			/* null terminated unless nwch > 0 */
@@ -699,6 +782,8 @@ double tout
 		retrv |= ICOM_TO; 
 	}
 
+//	tcdrain(p->fd);
+
 	a1logd(p->log, 8, "icoms_ser_write: took %d msec, returning ICOM err 0x%x\n",etime - stime,retrv);
 	p->lserr = retrv;
 	return p->lserr;
@@ -707,7 +792,7 @@ double tout
 /* Read characters into the buffer */
 /* Return string will be terminated with a nul */
 /* return icom error */
-static int
+int
 icoms_ser_read(
 icoms *p,
 char *rbuf,			/* Buffer to store characters read */
@@ -826,30 +911,5 @@ double tout			/* Time out in seconds */
 	return p->lserr;
 }
 
-#endif /* ENABLE_SERIAL */
-
-/* ---------------------------------------------------------------------------------*/
-
-/* Destroy ourselves */
-static void
-icoms_del(icoms *p) {
-	a1logd(p->log, 8, "icoms_del: called\n");
-	if (p->is_open) {
-		a1logd(p->log, 8, "icoms_del: closing port\n");
-		p->close_port(p);
-	}
-#ifdef ENABLE_USB
-	usb_del_usb(p);
-	hid_del_hid(p);
-#endif
-#if defined(ENABLE_SERIAL) || defined(ENABLE_FAST_SERIAL)
-	if (p->spath != NULL)
-		free(p->spath);
-#endif
-	p->log = del_a1log(p->log);
-	if (p->name != NULL)
-		free(p->name);
-	p->log = del_a1log(p->log);
-	free (p);
-}
+#endif /* ENABLE_SERIAL || ENABLE_FAST_SERIAL*/
 
diff --git a/spectro/illumread.c b/spectro/illumread.c
index 381f6b6..58569e3 100644
--- a/spectro/illumread.c
+++ b/spectro/illumread.c
@@ -393,7 +393,7 @@ int main(int argc, char *argv[])
 				if (na == NULL) usage(NULL);
 
 					if (na[0] == 'n' || na[0] == 'N')
-						fc = fc_none;
+						fc = fc_None;
 					else if (na[0] == 'h' || na[0] == 'H')
 						fc = fc_Hardware;
 					else if (na[0] == 'x' || na[0] == 'X')
@@ -431,17 +431,17 @@ int main(int argc, char *argv[])
 	
 		/* Special debug */
 		strcpy(tnp, "_i.sp");
-		if (read_xspect(&i_sp, tname) == 0) {
+		if (read_xspect(&i_sp, NULL, tname) == 0) {
 			rd_i = 1;
 			printf("(Found '%s' file and loaded it)\n",tname);
 		}
 		strcpy(tnp, "_r.sp");
-		if (read_xspect(&r_sp, tname) == 0) {
+		if (read_xspect(&r_sp, NULL, tname) == 0) {
 			rd_r = 1;
 			printf("(Found '%s' file and loaded it)\n",tname);
 		}
 		strcpy(tnp, "_p.sp");
-		if (read_xspect(&p_sp, tname) == 0) {
+		if (read_xspect(&p_sp, NULL, tname) == 0) {
 			rd_p = 1;
 			/* Should read instrument type from debug_p.sp !! */
 			if (inst_illuminant(&insp, instI1Pro) != 0)		/* Hack !! */
@@ -548,8 +548,8 @@ int main(int argc, char *argv[])
 					printf("Instrument lacks spectral measurement capability");
 				}
 
-				if (refrmode >= 0 && !IMODETST(cap, inst_mode_emis_refresh_ovd)
-				                  && !IMODETST(cap, inst_mode_emis_norefresh_ovd)) {
+				if (refrmode >= 0 && it->check_mode(it, inst_mode_emis_refresh_ovd) != inst_ok
+				                  && it->check_mode(it, inst_mode_emis_norefresh_ovd) != inst_ok) { 
 					if (verb) {
 						printf("Requested refresh mode override and instrument doesn't support it (ignored)\n");
 						refrmode = -1;
@@ -570,9 +570,9 @@ int main(int argc, char *argv[])
 			it->capabilities(it, &cap, &cap2, &cap3);
 
 			if (c == '1') {
-				if (IMODETST(cap, inst_mode_emis_ambient)) {
+				if (it->check_mode(it, inst_mode_emis_ambient) == inst_ok) {
 					mode = inst_mode_emis_ambient;
-				} else if (IMODETST(cap, inst_mode_emis_spot)) {
+				} else if (it->check_mode(it, inst_mode_emis_spot) == inst_ok) {
 					mode = inst_mode_emis_spot;
 				} else {
 					printf("!!! Instrument doesn't have ambient or emissive capability !!!\n");
@@ -580,9 +580,9 @@ int main(int argc, char *argv[])
 				}
 			}
 			if (c == '2') {
-				if (IMODETST(cap, inst_mode_emis_tele)) {
+				if (it->check_mode(it, inst_mode_emis_tele) == inst_ok) {
 					mode = inst_mode_emis_tele;
-				} else if (IMODETST(cap, inst_mode_emis_spot)) {
+				} else if (it->check_mode(it, inst_mode_emis_spot) == inst_ok) {
 					mode = inst_mode_emis_spot;
 				} else {
 					printf("!!! Instrument doesn't have telephoto or emissive capability !!!\n");
@@ -592,7 +592,7 @@ int main(int argc, char *argv[])
 			if (c == '3') {
 				inst_opt_filter filt;
 
-				if (IMODETST(cap, inst_mode_ref_spot)) {
+				if (it->check_mode(it, inst_mode_ref_spot) == inst_ok) {
 					mode = inst_mode_ref_spot;
 				} else {
 					printf("!!! Instrument lacks reflective spot measurement capability !!!\n");
@@ -769,7 +769,7 @@ int main(int argc, char *argv[])
 			} else {
 
 				if (c == '1') {
-					if (IMODETST(cap, inst_mode_emis_ambient)) {
+					if (it->check_mode(it, inst_mode_emis_ambient) == inst_ok) {
 						printf("\n(If applicable) set instrument to ambient measurenent mode, or place\n");
 						printf("ambient adapter on it, and position it so as to measure the illuminant directly.\n");
 					} else {
@@ -777,7 +777,7 @@ int main(int argc, char *argv[])
 						printf("and position it so as to measure the illuminant directly.\n");
 					}
 				} else if (c == '2') {
-					if (IMODETST(cap, inst_mode_emis_tele)) {
+					if (it->check_mode(it, inst_mode_emis_tele) == inst_ok) {
 						printf("\n(If applicable) set instrument to telephoto measurenent mode,\n");
 						printf("position it so as to measure the illuminant reflected from the paper.\n");
 					} else {
@@ -921,19 +921,19 @@ int main(int argc, char *argv[])
 				continue;
 			}
 
-			if (c == '1') {
+			if (c == '1') {		/* Illuminant */
 				i_sp = val.sp;
 				if (tmode && rd_i == 0) {
 					strcpy(tnp, "_i.sp");
-					write_xspect(tname,&i_sp);
+					write_xspect(tname, inst_mrt_emission, &i_sp);
 				}
-			} else if (c == '2') {
+			} else if (c == '2') {	/* Illuminant reflected on paper */
 				r_sp = val.sp;
 				if (tmode && rd_r == 0) {
 					strcpy(tnp, "_r.sp");
-					write_xspect(tname,&r_sp);
+					write_xspect(tname, inst_mrt_emission, &r_sp);
 				}
-			} else if (c == '3') {
+			} else if (c == '3') {	/* Paper reflectance */
 				p_sp = val.sp;
 
 				/* Get the illuminant spectrum too */
@@ -943,7 +943,7 @@ int main(int argc, char *argv[])
 				if (tmode && rd_p == 0) {
 					/* Should save instrument type/instrument illuminant spectrum !!! */
 					strcpy(tnp, "_p.sp");
-					write_xspect(tname,&p_sp);
+					write_xspect(tname, inst_mrt_reflective, &p_sp);
 				}
 			}
 
@@ -1125,16 +1125,16 @@ int main(int argc, char *argv[])
 				for (i = 0; i < ill.spec_n; i++)
 					ill.spec[i] = aill.spec[i]/nacc;
 				
-				if(write_xspect(outname, &ill))
+				if(write_xspect(outname, inst_mrt_ambient, &ill))
 					printf("\nWriting file '%s' failed\n",outname);
 				else
 					printf("\nWriting file '%s' succeeded\n",outname);
 
 				if (tmode) {
 					strcpy(tnp, "_mpir.sp");		// Measured paper under illuminant spectrum
-					write_xspect(tname,&bf.srop);
+					write_xspect(tname, inst_mrt_reflective, &bf.srop);
 					strcpy(tnp, "_cpir.sp");		// Computed paper under illuminant spectrum
-					write_xspect(tname,&bf.cpsp);
+					write_xspect(tname, inst_mrt_reflective, &bf.cpsp);
 				}
 			}
 
@@ -1188,9 +1188,9 @@ int main(int argc, char *argv[])
 				for (j = 0; j < bf.ill.spec_n; j++) {
 					GCC_BUGFIX(j)
 					xx[j] = XSPECT_XWL(&bf.ill, j);
-					y1[j] = value_xspect(bf.i_sp, xx[j]);		/* Measured (black) */
-					y2[j] = value_xspect(&bf.ill, xx[j]);		/* Computed (red)*/
-					y3[j] = value_xspect(&cf.dxx, xx[j]);		/* Daylight match (green)*/
+					y1[j] = value_xspect(bf.i_sp, xx[j]); /* Measured (black) */
+					y2[j] = value_xspect(&bf.ill, xx[j]); /* Computed (red)*/
+					y3[j] = value_xspect(&cf.dxx, xx[j]); /* Daylight match (green)*/
 				}
 				
 				xmax = bf.ill.spec_wl_long;
@@ -1212,10 +1212,10 @@ int main(int argc, char *argv[])
 				for (j = 0; j < bf.cpsp.spec_n; j++) {
 					GCC_BUGFIX(j)
 					xx[j] = XSPECT_XWL(&bf.cpsp, j);
-					y1[j] = value_xspect(&bf.srop, xx[j]);		/* Measured reflectance (black) */
-					y2[j] = value_xspect(&cpisp, xx[j]);		/* Computed initial reflectance (red) */
-					y3[j] = value_xspect(&bf.cpsp, xx[j]);		/* Computed final reflectance (green) */
-//					y3[j] = value_xspect(&cpdsp, xx[j]);		/* Computed daylight reflectance (green) */
+					y1[j] = value_xspect(&bf.srop, xx[j]); 	/* Measured reflectance (black) */
+					y2[j] = value_xspect(&cpisp, xx[j]);	 /* Computed initial reflectance (red) */
+					y3[j] = value_xspect(&bf.cpsp, xx[j]); 	/* Computed final reflectance (green) */
+//					y3[j] = value_xspect(&cpdsp, xx[j]); 	/* Computed daylight reflectance (green) */
 				}
 				
 				xmax = bf.cpsp.spec_wl_long;
@@ -1233,8 +1233,8 @@ int main(int argc, char *argv[])
 				for (j = 0; j < bf.ill.spec_n; j++) {
 					GCC_BUGFIX(j)
 					xx[j] = XSPECT_XWL(&bf.ill, j);
-					y1[j] = value_xspect(bf.i_sp, xx[j]);		/* Measured (black) */
-					y2[j] = value_xspect(&bf.ill, xx[j]);		/* Computed (red)*/
+					y1[j] = value_xspect(bf.i_sp, xx[j]);	/* Measured (black) */
+					y2[j] = value_xspect(&bf.ill, xx[j]);	/* Computed (red)*/
 				}
 				
 				xmax = bf.ill.spec_wl_long;
@@ -1248,9 +1248,9 @@ int main(int argc, char *argv[])
 				for (j = 0; j < bf.cpsp.spec_n; j++) {
 					GCC_BUGFIX(j)
 					xx[j] = XSPECT_XWL(&bf.cpsp, j);
-					y1[j] = value_xspect(&bf.srop, xx[j]);		/* Measured reflectance (black) */
-					y2[j] = value_xspect(&cpisp, xx[j]);		/* Computed initial reflectance (red) */
-					y3[j] = value_xspect(&bf.cpsp, xx[j]);		/* Computed final reflectance (green) */
+					y1[j] = value_xspect(&bf.srop, xx[j]);	/* Measured reflectance (black) */
+					y2[j] = value_xspect(&cpisp, xx[j]);	/* Computed initial reflectance (red) */
+					y3[j] = value_xspect(&bf.cpsp, xx[j]);	/* Computed final reflectance (green) */
 				}
 				
 				xmax = bf.cpsp.spec_wl_long;
diff --git a/spectro/inst.c b/spectro/inst.c
index 8976669..681ef0a 100644
--- a/spectro/inst.c
+++ b/spectro/inst.c
@@ -1,5 +1,5 @@
 
- /* Abstract instrument class implemenation */
+/* Abstract instrument class implemenation */
 
 /* 
  * Argyll Color Correction System
@@ -373,6 +373,7 @@ static inst_code calibrate(
 inst *p,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]) {	/* Condition identifier (ie. white reference ID, filter ID) */
 	return inst_unsupported;
 }
@@ -585,7 +586,7 @@ static inst_config config_enum(inst *p, int ec) {
 /* Delete things set/done by new_inst() */
 static inst_code virtual_del(inst *p) {
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 	osx_latencycritical_end();
 #endif
 
@@ -612,7 +613,7 @@ void *cntx			/* Context for callback */
 		return NULL;
 	}
 
-	a1logd(log, 2, "new_inst: called with path '%s'\n",path->name);
+	a1logd(log, 2, "new_inst: called with path '%s' type '%s'\n",path->name,inst_sname(path->itype));
 
 	if ((icom = new_icoms(path, log)) == NULL) {
 		a1logd(log, 2, "new_inst: new_icoms failed to open it\n");
@@ -625,14 +626,19 @@ void *cntx			/* Context for callback */
 	itype = icom->itype;		/* Instrument type if its known from usb/hid */
 
 #if defined(ENABLE_FAST_SERIAL)
-	if (itype == instUnknown && !nocoms && (icom->sattr & icom_fast)) {
+	if (itype == instUnknown && !nocoms && (icom->dctype & icomt_fastserial)) {
 		itype = fast_ser_inst_type(icom, 1, uicallback, cntx);		/* Else type from serial */
+		icom->dctype = (icom->dctype & ~icomt_cat_mask) | inst_category(itype);
+		a1logd(log, 8, "new_inst: fast set '%s' dctype 0x%x\n",icom->name,icom->dctype);
 	}
 #endif /* ENABLE_FAST_SERIAL */
 
 #if defined(ENABLE_SERIAL)
-	if (itype == instUnknown && !nocoms)
+	if (itype == instUnknown && !nocoms) {
 		itype = ser_inst_type(icom, uicallback, cntx);		/* Else type from serial */
+		icom->dctype = (icom->dctype & ~icomt_cat_mask) | inst_category(itype);
+		a1logd(log, 8, "new_inst: set '%s' dctype 0x%x\n",icom->name,icom->dctype);
+	}
 #endif /* ENABLE_SERIAL */
 
 
@@ -657,7 +663,8 @@ void *cntx			/* Context for callback */
 
 #ifdef ENABLE_FAST_SERIAL
 	if (itype == instSpecbos1201
-	 || itype == instSpecbos)
+	 || itype == instSpecbos
+	 || itype == instSpectraval)
 		p = (inst *)new_specbos(icom, itype);
 	if (itype == instKleinK10)
 		p = (inst *)new_kleink10(icom, itype);
@@ -696,8 +703,10 @@ void *cntx			/* Context for callback */
 		p = (inst *)new_huey(icom, itype);
 	else if (itype == instSmile)
 		p = (inst *)new_i1disp(icom, itype);
+#ifdef ENABLE_FAST_SERIAL
 	else if (itype == instSMCube)
 		p = (inst *)new_smcube(icom, itype);
+#endif
 	else if (itype == instHCFR)
 		p = (inst *)new_hcfr(icom, itype);
 	else if (itype == instColorHug
@@ -799,7 +808,7 @@ void *cntx			/* Context for callback */
 	/* Set the provided user interaction callback */
 	p->set_uicallback(p, uicallback, cntx);
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 	osx_latencycritical_start();
 #endif
 
@@ -917,8 +926,10 @@ int doccmx						/* Add matching installed ccmx files */
 
 		for (i = 0; ss_list[i].path != NULL; i++) {
 	
-			if ((list = expand_dlist(list, ++nlist, &nalist)) == NULL)
+			if ((list = expand_dlist(list, ++nlist, &nalist)) == NULL) {
+				free_iccss(ss_list);
 				return inst_internal_error;
+			}
 	
 			list[nlist-1].flags = inst_dtflags_ccss | inst_dtflags_ld | inst_dtflags_wr;
 			if (!ss_list[i].oem)
@@ -938,6 +949,7 @@ int doccmx						/* Add matching installed ccmx files */
 			list[nlist-1].sets = ss_list[i].sets; ss_list[i].sets = NULL;
 			list[nlist-1].no_sets = ss_list[i].no_sets; ss_list[i].no_sets = 0;
 		}
+		free_iccss(ss_list);
 	}
 
 	/* Add any OEM and custom ccmx's */
@@ -963,8 +975,10 @@ int doccmx						/* Add matching installed ccmx files */
 				continue;
 			}
 
-			if ((list = expand_dlist(list, ++nlist, &nalist)) == NULL)
+			if ((list = expand_dlist(list, ++nlist, &nalist)) == NULL) {
+				free_iccmx(ss_list);
 				return inst_internal_error;
+			}
 	
 			list[nlist-1].flags = inst_dtflags_ccmx | inst_dtflags_ld | inst_dtflags_wr;
 			if (!ss_list[i].oem)
@@ -984,6 +998,7 @@ int doccmx						/* Add matching installed ccmx files */
 			list[nlist-1].cc_cbid = ss_list[i].cc_cbid;
 			icmCpy3x3(list[nlist-1].mat, ss_list[i].mat);
 		}
+		free_iccmx(ss_list);
 	}
 
 	/* Copy candidate selectors to private isel[] list */
@@ -1047,6 +1062,39 @@ int doccmx						/* Add matching installed ccmx files */
 	return inst_ok;
 }
 
+/* --------------------------------------------------- */
+
+/* Delayed scan-ready prompt handler */
+static int delayed_scan_ready(void *pp) {
+	inst *p = (inst *)pp;
+
+	msec_sleep(p->scan_ready_delay);
+	a1logd(g_log,8, "delayed scan_ready activate\n");
+
+	if (p->eventcallback != NULL)
+		p->eventcallback(p->event_cntx, inst_event_scan_ready);
+	return 0;
+}
+
+/* Issue an inst_event_scan_ready event/prompt after a delay */
+void issue_scan_ready(inst *p, int delay) {
+	a1logd(g_log,8, "msec_scan_ready %d msec\n",delay);
+
+	if (p->eventcallback == NULL)		/* Hmm. */
+		return;
+
+	if (delay > 0) {
+		if (p->scan_ready_thread != NULL)
+			p->scan_ready_thread->del(p->scan_ready_thread);
+		p->scan_ready_delay = delay;
+		if ((p->scan_ready_thread = new_athread(delayed_scan_ready, (void *)p)) == NULL)
+			a1logw(g_log, "msec_scan_ready: Delayed scan_ready failed to create thread\n");
+	} else {
+		a1logd(g_log,8, "msec_scan_ready activate\n");
+		p->eventcallback(p->event_cntx, inst_event_scan_ready);
+	}
+}
+
 /* ============================================================= */
 /* CCMX location support */
 
@@ -1089,6 +1137,7 @@ iccmx *list_iccmx(instType itype, int *no) {
 				free(rv[j].desc);
 			}
 			xdg_free(paths, npaths);
+			free(rv);
 			if (no != NULL) *no = -1;
 			return NULL;
 		}
@@ -1098,8 +1147,10 @@ iccmx *list_iccmx(instType itype, int *no) {
 		}
 
 		/* Skip any that don't match */
-		if (itype != instUnknown && cs->inst != NULL && inst_enum(cs->inst) != itype)
+		if (itype != instUnknown && cs->inst != NULL && inst_enum(cs->inst) != itype) {
+			cs->del(cs);
 			continue;
+		}
 
 		a1logd(g_log, 5, "Reading '%s'\n",paths[i]);
 		if ((tech = cs->tech) == NULL)
@@ -1336,21 +1387,38 @@ instType fast_ser_inst_type(
 	void *cntx			/* Context for callback */
 ) {
 	instType rv = instUnknown;
-#define BUFSZ (128 + 10)
+#define BUFSZ (2048 + 10)
 	char buf[BUFSZ];
-	baud_rate brt[] = { baud_921600, baud_115200, baud_38400, baud_9600, baud_nc };
+	baud_rate brt1[] = { baud_9600, baud_921600, baud_115200, 
+	                     baud_38400, baud_nc };			/* HS - do K10/Spectrolino first */
+	baud_rate brt2[] = { baud_115200, baud_nc };		/* Bluetooth */
+
+	baud_rate *brt = brt1;
 	unsigned int etime;
 	unsigned int i;
+	int delayms = 0;
 	int se, len;
+	double tryto = 0.1;		/* [0.1] Communication timout */
+//	double tryto = 0.9;		/* Communication timout (test) */
 	
-	if (p->port_type(p) != icomt_serial
-	 && p->port_type(p) != icomt_usbserial)
+	a1logd(p->log, 8, "fast_ser_inst_type: on '%s' dctype 0x%x\n",p->name,p->dctype);
+
+	if (!(p->dctype & icomt_seriallike)
+	 && !(p->dctype & icomt_fastserial)) {
 		return p->itype;
+	}
 
 	/* The tick to give up on */
 	etime = msec_time() + (long)(2000.0 + 0.5);
+//	etime = msec_time() + (long)(20000.0 + 0.5);		/* (test) */
 
-	a1logd(p->log, 1, "fser_inst_type: Trying different baud rates (%u msec to go)\n",etime - msec_time());
+	a1logd(p->log, 1, "fser_inst_type: Trying different baud rates (%u msec to go) Path %s%s\n",
+	                  etime - msec_time(),p->spath,(p->dctype & icomt_btserial) ? " [Bluetooth]" : "");
+
+	if (p->dctype & icomt_btserial) {
+		brt = brt2;		/* Only try BT relevant baud rates. */
+		delayms = 600;	/* Spectraval locks up otherwise. */
+	}
 
 	/* Until we time out, find the correct baud rate */
 	for (i = 0; msec_time() < etime; i++) {
@@ -1361,40 +1429,97 @@ instType fast_ser_inst_type(
 		}
 		a1logd(p->log, 5, "Trying %s baud\n",baud_rate_to_str(brt[i]));
 
-		if ((se = p->set_ser_port(p, fc_none, brt[i], parity_none,
-			                         stop_1, length_8)) != ICOM_OK) { 
+		if ((se = p->set_ser_port_ex(p, fc_None, brt[i], parity_none,
+			                         stop_1, length_8, delayms)) != ICOM_OK) { 
 			a1logd(p->log, 5, "fser_inst_type: set_ser_port failed with 0x%x\n",se);
-			return instUnknown;		/* Give up */
+			return instUnknown;		/* Give up on port */
 		}
 
-		if (brt[i] == baud_9600) {
-			/* See if it's a Klein K10 */
+		/* Assume Klein K10 only uses 9600. */
+		/* We need to also assume that we might be talking to a Spectrolino, */
+		/* and avoid upsetting it. */
+		if ((p->dctype & icomt_btserial) == 0 && brt[i] == baud_9600) {
+			double sto = 0.2;	/* Give 9600 a little more time */
+			int bread, len;
+
+			/* Try a spectrolino/spectroscan command first */
+			if (tryto > sto)
+				sto = tryto;
+			p->write_read_ex(p, ";D024\r\n", 0, buf, BUFSZ-1, &bread, "\r", 1, sto, 1);
+
+			if (bread == 0) {
+				a1logd(p->log, 5, "fser_inst_type: Spectroino command returned nothing\n");
+				goto not_k10;
+			}
+			buf[bread] = '\000';
+			len = strlen(buf);
+
+			a1logd(p->log, 5, "fser_inst_type: got %d bytes\n",len);
 
-			if ((se = p->write_read(p, "P0\r", 0, buf, BUFSZ, NULL, ">", 1, 0.100)) != inst_ok) {
-				/* Check for user abort */
-				if (uicallback != NULL) {
-					inst_code ev;
-					if ((ev = uicallback(cntx, inst_negcoms)) == inst_user_abort) {
+			if (len < 4) {
+				a1logd(p->log, 5, "fser_inst_type: Reply was too short\n");
+				goto not_k10;		/* Not K10, X-Rite or Spectrolino */
+			}
+
+			/* Is this a Spectrolino or Spectroscan error resonse ? */
+			if (len >= 5 && strncmp(buf, ":26", 3) == 0
+			 || len >= 7 && strncmp(buf, ":D183", 5) == 0) {
+				a1logd(p->log, 5, "fser_inst_type: Ignore Spectrolino\n");
+				return instUnknown;		/* Not doing Spectrolino detection here */
+			}
+
+			/* Is this an X-Rite error value such as "<01>" ? */
+			if (buf[0] == '<' && isdigit(buf[1]) && isdigit(buf[2]) && buf[3] == '>') {
+				a1logd(p->log, 5, "fser_inst_type: Ignore X-Rite\n");
+				return instUnknown;		/* Not doing X-Rite detection here */
+			}
+
+			/* The Klein K10 seems to respond with it's calibration list, preceeded by "D4" ? */
+			if (buf[0] != 'D' || buf[1] != '4') {
+				a1logd(p->log, 5, "fser_inst_type: Not Klein response\n");
+				goto not_k10;;
+			}
+
+			a1logd(p->log, 5, "fser_inst_type: Looks like it may be a Klein\n");
+
+			/* Confirm this is a Klein instrument  */
+
+			/* The first response is the calibration list, and it may need flushing. */
+			/* (write_read_ex doesn't cope with time it takes to dump this.) */
+			for (;;) {
+				bread = 0;
+				p->read(p, buf, BUFSZ, &bread, NULL, BUFSZ, 0.1);
+				if (bread == 0)
+					break;
+			}
+
+			if ((se = p->write_read_ex(p, "P0\r", 0, buf, BUFSZ, NULL, ">", 1, tryto, 1)) == inst_ok) {
+
+				/* Is this a Klein K1/K8/K10 response ? */
+				if (strncmp(buf, "P0K-1 ", 6) == 0
+				 || strncmp(buf, "P0K-8 ", 6) == 0
+				 || strncmp(buf, "P0K-10", 6) == 0
+				 || strncmp(buf, "P0KV-10", 7) == 0) {
+					a1logd(p->log, 5, "fser_inst_type: found Klein K1/K8/K10\n");
+					rv = instKleinK10;
+					break;
+				}
+			}
+
+		not_k10:;
+
+			/* Check for user abort */
+			if (uicallback != NULL) {
+				inst_code ev;
+				if ((ev = uicallback(cntx, inst_negcoms)) == inst_user_abort) {
 						a1logd(p->log, 5, "fser_inst_type: User aborted\n");
 						return instUnknown;
-					}
 				}
-				continue;
-			}
-			len = strlen(buf);
-	
-			/* Is this a Klein K1/K8/K10 response ? */
-			if (strncmp(buf, "P0K-1 ", 6) == 0
-			 || strncmp(buf, "P0K-8 ", 6) == 0
-			 || strncmp(buf, "P0K-10", 6) == 0
-			 || strncmp(buf, "P0KV-10", 7) == 0) {
-				a1logd(p->log, 5, "fser_inst_type: found Klein K1/K8/K10\n");
-				rv = instKleinK10;
-				break;
 			}
 		}
-		if (brt[i] == baud_38400)
-		{
+
+		/* SwatchMate Cube only uses 38400 */
+		if ((p->dctype & icomt_btserial) == 0 && brt[i] == baud_38400) {
 			int bread;
 
 			/* See if it's a SwatchMate Cube. */
@@ -1403,56 +1528,81 @@ instType fast_ser_inst_type(
 			buf[1] = 0x00;
 			buf[2] = 0x02;		/* Ping command */
 			buf[3] = 0x00;
-			if ((se = p->write_read(p, buf, 4, buf, BUFSZ, &bread, NULL, 4, 0.100)) != inst_ok) {
-				/* Check for user abort */
-				if (uicallback != NULL) {
-					inst_code ev;
-					if ((ev = uicallback(cntx, inst_negcoms)) == inst_user_abort) {
-						a1logd(p->log, 5, "fser_inst_type: User aborted\n");
-						return instUnknown;
+			if ((se = p->write_read_ex(p, buf, 4, buf, BUFSZ, &bread, NULL, 4, tryto, 1)) == inst_ok) {
+				if (bread == 4) {
+					if (buf[0] == 0x7e && buf[1] == 0x20 && buf[2] == 0x02 && buf[3] == 0x00) {
+						a1logd(p->log, 5, "fser_inst_type: found SwatchMate Cube\n");
+						rv = instSMCube;
+						break;
 					}
 				}
-				continue;
 			}
-			if (bread == 4) {
-				if (buf[0] == 0x7e && buf[1] == 0x20 && buf[2] == 0x02 && buf[3] == 0x00) {
-					a1logd(p->log, 5, "fser_inst_type: found SwatchMate Cube\n");
-					rv = instSMCube;
-					break;
+
+			/* Check for user abort */
+			if (uicallback != NULL) {
+				inst_code ev;
+				if ((ev = uicallback(cntx, inst_negcoms)) == inst_user_abort) {
+					a1logd(p->log, 5, "fser_inst_type: User aborted\n");
+					return instUnknown;
 				}
 			}
 		}
-		/* Bluetooth only uses baud_115200 */ 
-		if ((p->sattr & icom_bt) == 0 || brt[i] == baud_115200) {
+
+		/* JETI specbos or spectraval. */
+		/* We are fudging the baud rate selection here - */
+		/* the 1211 RS and BT can't handle 921600, */
+		/* while the 15x1 can handle 230400 & 3000000, which we don't test for... */
+//		if ((p->dctype & icomt_btserial) == 0 || brt[i] == baud_115200)
+		if (brt[i] == baud_38400 || brt[i] == baud_115200 || brt[i] == baud_921600)
+		{
+			int bread;
 
 			/* See if it's a JETI specbos */
-			if ((se = p->write_read(p, "*idn?\r", 0, buf, BUFSZ, NULL, "\r", 1, 0.100)) != inst_ok) {
-				/* Check for user abort */
-				if (uicallback != NULL) {
-					inst_code ev;
-					if ((ev = uicallback(cntx, inst_negcoms)) == inst_user_abort) {
-						a1logd(p->log, 5, "fser_inst_type: User aborted\n");
-						return instUnknown;
-					}
+			p->write_read_ex(p, "*idn?\r", 0, buf, BUFSZ, &bread, "\r", 1, tryto, 1);
+			if (bread > 0) {
+				len = strlen(buf);
+		
+				/* JETI specbos returns "JETI_SBXXXX", where XXXX is the instrument type, */
+				/* except for the 1201 which returns "SB05" */
+				/* The spectraval 1501 returns JETI_SDCM3 NNNNNNN */
+		
+				/* Over Bluetooth, we get an erronious string "AT+JSCR\r\n" mixed in our output. */
+				/* This would appear to be from the eBMU Bluetooth adapter AT command set. */
+				if (len > 9 && strncmp(buf, "AT+JSCR\r\n", 9) == 0) {
+					memmove(buf, buf+9, len-9);
+					len -= 9;
+				}
+
+				/* Is this a JETI specbos 1201 response ? */
+				if (strncmp(buf, "SB05", 4) == 0) {
+					a1logd(p->log, 5, "fser_inst_type: found JETI specbos 1201\n");
+					rv = instSpecbos1201;
+					break;
+				}
+				/* Is this a JETI specbos XXXX response ? */
+				if (len >= 11 && strncmp(buf, "JETI_SB", 7) == 0) {
+					a1logd(p->log, 5, "fser_inst_type: found JETI specbos\n");
+					rv = instSpecbos;
+					break;
+				}
+				/* Is this a JETI spectraval response ? */
+				/* (Bluetooth returns "DCM3_JETI ... and other rubbish for some reason.) */
+				if ((len >= 10  && strncmp(buf, "JETI_SDCM3", 10) == 0)
+				 || (len >= 9   && strncmp(buf, "DCM3_JETI", 9) == 0)
+				 || (len >= 17  && strncmp(buf, "PECFIRM_JETI_1501", 17) == 0)
+				 || (len >= 18  && strncmp(buf, "SPECFIRM_JETI_1501", 18) == 0)) {
+					a1logd(p->log, 5, "fser_inst_type: found JETI spectraval\n");
+					rv = instSpectraval;
+					break;
 				}
-				continue;
-			}
-			len = strlen(buf);
-	
-			/* JETI specbos returns "JETI_SBXXXX", where XXXX is the instrument type, */
-			/* except for the 1201 which returns "SB05" */
-	
-			/* Is this a JETI specbos 1201 response ? */
-			if (strncmp(buf, "SB05", 4) == 0) {
-				a1logd(p->log, 5, "fser_inst_type: found JETI specbos 1201\n");
-				rv = instSpecbos1201;
-				break;
 			}
-			/* Is this a JETI specbos XXXX response ? */
-			if (len >= 11 && strncmp(buf, "JETI_SB", 7) == 0) {
-				a1logd(p->log, 5, "fser_inst_type: found JETI specbos\n");
-				rv = instSpecbos;
-				break;
+			/* Check for user abort */
+			if (uicallback != NULL) {
+				inst_code ev;
+				if ((ev = uicallback(cntx, inst_negcoms)) == inst_user_abort) {
+					a1logd(p->log, 5, "fser_inst_type: User aborted\n");
+					return instUnknown;
+				}
 			}
 		}
 	}
@@ -1492,11 +1642,12 @@ static instType ser_inst_type(
 #define BUFSZ (128 + 10)
 	char buf[BUFSZ];
 	baud_rate brt[] = { baud_9600, baud_19200, baud_4800, baud_2400,
-	                     baud_1200, baud_38400, baud_57600, baud_115200,
-	                     baud_600, baud_300, baud_110, baud_nc };
+	                    baud_1200, baud_38400, baud_57600, baud_115200,
+	                    baud_600, baud_300, baud_110, baud_nc };
 	unsigned int etime;
 	unsigned int bi, i;
 	int se, len, bread;
+	int klein = 0;
 	int xrite = 0;
 	int ss = 0;
 	int so = 0;
@@ -1517,7 +1668,7 @@ static instType ser_inst_type(
 	for (i = bi; msec_time() < etime; i++) {
 		if (brt[i] == baud_nc)
 			i = 0;
-		if ((se = p->set_ser_port(p, fc_none, brt[i], parity_none,
+		if ((se = p->set_ser_port(p, fc_None, brt[i], parity_none,
 			                         stop_1, length_8)) != ICOM_OK) { 
 			a1logd(p->log, 5, "ser_inst_type: set_ser_port failed with 0x%x\n",se);
 			return instUnknown;		/* Give up */
@@ -1525,7 +1676,11 @@ static instType ser_inst_type(
 
 		a1logd(p->log, 5, "Trying %s baud\n",baud_rate_to_str(brt[i]));
 		bread = 0;
-		if ((se = p->write_read(p, ";D024\r\n", 0, buf, BUFSZ, &bread, "\r", 1, 0.5)) != inst_ok) {
+
+		/* Try a spectrolino/spectroscan command first */
+		p->write_read_ex(p, ";D024\r\n", 0, buf, BUFSZ-1, &bread, "\r", 1, 0.5, 1);
+
+		if (bread == 0) {
 			/* Check for user abort */
 			if (uicallback != NULL) {
 				inst_code ev;
@@ -1534,15 +1689,24 @@ static instType ser_inst_type(
 					return instUnknown;
 				}
 			}
-			if (bread == 0)
-				continue;
+			continue;
 		}
+		buf[bread] = '\000';
 		len = strlen(buf);
 
 //		a1logd(p->log, 5, "len = %d\n",len);
 		if (len < 4)
 			continue;
 
+		/* The Klein K10 seems to respond with it's calibration list, preceeded by "D4" ? */
+		/* - don't know how reliable this is though. Another way may be to look for a */
+		/* response len > 100 characters ?? */
+		if (buf[0] == 'D' && buf[1] == '4') {
+//			a1logd(p->log, 5, "klein\n");
+			klein = 1;
+			break;
+		}
+
 		/* Is this an X-Rite error value such as "<01>" ? */
 		if (buf[0] == '<' && isdigit(buf[1]) && isdigit(buf[2]) && buf[3] == '>') {
 //			a1logd(p->log, 5, "xrite\n");
@@ -1580,7 +1744,7 @@ static instType ser_inst_type(
 	/* SpectroScan */
 	if (ss) {
 		rv = instSpectroScan;
-		if ((se = p->write_read(p, ";D030\r\n", 0, buf, BUFSZ, NULL, "\n", 1, 1.5)) == 0)  {
+		if ((se = p->write_read_ex(p, ";D030\r\n", 0, buf, BUFSZ, NULL, "\n", 1, 1.5, 1)) == 0)  {
 			if (strlen(buf) >= 41) {
 				hex2bin(&buf[5], 12);
 //				a1logd(p->log, 5, "spectroscan type = '%s'\n",buf);
@@ -1592,7 +1756,7 @@ static instType ser_inst_type(
 	if (xrite) {
 
 		/* Get the X-Rite model and version number */
-		if ((se = p->write_read(p, "SV\r\n", 0, buf, BUFSZ, NULL, ">", 1, 2.5)) != 0)
+		if ((se = p->write_read_ex(p, "SV\r\n", 0, buf, BUFSZ, NULL, ">", 1, 2.5, 1)) != 0)
 			return instUnknown;
 	
 		if (strlen(buf) >= 12) {
@@ -1613,6 +1777,31 @@ static instType ser_inst_type(
 		}
 	}
 
+	if (klein) {
+
+		/* The first response is the calibration list, and it may need flushing. */
+		/* (write_read_ex doesn't cope with time it takes to dump this.) */
+		for (;;) {
+			bread = 0;
+			p->read(p, buf, BUFSZ, &bread, NULL, BUFSZ, 0.1);
+			if (bread == 0)
+				break;
+		}
+
+		/* See if this is a Klein K10 or similar */
+		if ((se = p->write_read_ex(p, "P0\r", 0, buf, BUFSZ, NULL, ">", 1, 1.5, 1)) != inst_ok)
+			return instUnknown;
+
+		/* Is this a Klein K1/K8/K10 response ? */
+		if (strncmp(buf, "P0K-1 ", 6) == 0
+		 || strncmp(buf, "P0K-8 ", 6) == 0
+		 || strncmp(buf, "P0K-10", 6) == 0
+		 || strncmp(buf, "P0KV-10", 7) == 0) {
+			a1logd(p->log, 5, "fser_inst_type: found Klein K1/K8/K10\n");
+			rv = instKleinK10;
+		}
+	}
+
 	a1logd(p->log, 5, "ser_inst_type: Instrument type is '%s'\n", inst_name(rv));
 
 	p->close_port(p);	/* Or should we leave it open ?? */
@@ -1732,6 +1921,25 @@ int sym_to_inst_mode(inst_mode *mode, const char *sym) {
 	return rv;
 }
 
+/* ============================================================= */
+/* Utilities */
+
+/* Return a string for the xcalstd enum */
+char *xcalstd2str(xcalstd std) {
+	switch(std) {
+		case xcalstd_native:
+			return "NATIVE";
+		case xcalstd_xrdi:
+			return "XRDI";
+		case xcalstd_gmdi:
+			return "GMDI";
+		case xcalstd_xrga:
+			return "XRGA";
+		default:
+			break;
+	}
+	return "None";
+}
 
 
 
diff --git a/spectro/inst.h b/spectro/inst.h
index 736a879..01f579d 100644
--- a/spectro/inst.h
+++ b/spectro/inst.h
@@ -1,13 +1,15 @@
 
 #ifndef INST_H
 
- /* instlib API definition. */
-
- /* See spotread.c, chartread.c, illumread.c & ccxxmake.c for examples of */
- /* the API usage. */
-
- /* Abstract base class for common color instrument interface */
- /* and other common instrument stuff.                        */
+/*
+ * instlib API definition.
+ *
+ * See spotread.c, chartread.c, illumread.c & ccxxmake.c for examples of
+ * the API usage.
+ *
+ * Abstract base class for common color instrument interface
+ * and other common instrument stuff.
+ */
 
 /* 
  * Argyll Color Correction System
@@ -64,7 +66,7 @@
 /* ------------------------------------------------- */
 /* Structure for holding an instrument patch reading */
 
-#define ICOM_MAX_LOC_LEN 10
+#ifdef NEVER	/* Declared in xicc/xspect.h */
 
 /* Type of measurement result */
 typedef enum {						/* XYZ units,      Spectral units */
@@ -78,6 +80,10 @@ typedef enum {						/* XYZ units,      Spectral units */
 	inst_mrt_frequency      = 7		/* Hz */
 } inst_meas_type;
 
+#endif // NEVER
+
+#define ICOM_MAX_LOC_LEN 10
+
 struct _ipatch {
 	char loc[ICOM_MAX_LOC_LEN];	/* patch location */
 
@@ -95,11 +101,25 @@ struct _ipatch {
 
 }; typedef struct _ipatch ipatch;
 
+/* ------------------------------------------------------ */
+/* Gretag/X-Rite specific reflective measurement standard */
+
+typedef enum {
+	xcalstd_none = -2,		/* Not set */
+	xcalstd_native = -1,	/* No conversion */
+	xcalstd_xrdi = 0,		/* Historical X-Rite */
+	xcalstd_gmdi = 1,		/* Historical Gretag-Macbeth */
+	xcalstd_xrga = 2,		/* Current X-Rite */
+} xcalstd;
+
+/* Return a string for the xcalstd enum */
+char *xcalstd2str(xcalstd std);
+
 /* ---------------------------------------- */
 /* Instrument interface abstract base class */
 
-/* Abstract return codes in ms byte. */
-/* Instrument dependant codes in ls byte. */
+/* Abstract return codes in ms 8bits. */
+/* Instrument dependant codes in ls 16 bits. */
 /* Note :- update inst_interp_error() in inst.c if anything here is changed. */
 /* and also check all the instrument specific XXX_interp_code() routines too. */
 typedef enum {
@@ -163,7 +183,7 @@ typedef enum {
 typedef enum {
 	inst_mode_none               = 0x00000000, /* No capability or mode */
 
-	/* Mode of light measurement */
+	/* Light measurement mode */
 	inst_mode_reflection         = 0x00000001,	/* General reflection mode */
 #   define inst_mode_reflection_sym             "REFL"
 	inst_mode_s_reflection       = 0x00000002,	/* General saved reflection mode */
@@ -174,7 +194,7 @@ typedef enum {
 #   define inst_mode_emission_sym               "EMIS"
 	inst_mode_illum_mask         = 0x0000000f,	/* Mask of sample illumination sub mode */
 
-	/* Access mode of measurement */
+	/* Action of measurement */
 	inst_mode_spot               = 0x00000010,	/* General spot measurement mode */
 #   define inst_mode_spot_sym                   "SPOT"
 	inst_mode_strip              = 0x00000020,	/* General strip measurement mode */
@@ -241,7 +261,9 @@ typedef enum {
 	                             | inst_mode_s_reflection,
 
 	inst_mode_trans_spot         = inst_mode_spot	/* Transmission spot measurement mode */
-	                             | inst_mode_transmission, 
+	                             | inst_mode_transmission, 	/* Normal Diffuse/90 */
+	inst_mode_trans_spot_a       = inst_mode_ambient /* Transmission spot measurement mode */
+	                             | inst_mode_transmission, /* Alternate 90/diffuse */
 	inst_mode_trans_strip        = inst_mode_strip	/* Transmission strip measurement mode */
 	                             | inst_mode_transmission, 
 	inst_mode_trans_xy           = inst_mode_xy		/* Transmission X-Y measurement mode */
@@ -267,6 +289,8 @@ typedef enum {
 } inst_mode;
 
 /* Test for a specific mode */
+/* (This isn't foolproof - it->check_mode() is better for modes */
+/*  composed of more than one bit) */
 #define IMODETST(mbits, mode) (((mbits) & (mode)) == (mode))
 
 /* Test for a specific mode in capability and mode */
@@ -299,8 +323,11 @@ typedef enum {
 	inst2_emis_refr_meas    = 0x00000080, /* Has an emissive refresh rate measurement func. */
 
 	inst2_prog_trig         = 0x00000100, /* Progromatic trigger measure capability */
-	inst2_user_trig         = 0x00000200, /* User trigger measure capability */
-	inst2_switch_trig       = 0x00000400, /* Inst. switch trigger measure capability */
+	inst2_user_trig         = 0x00000200, /* User trigger measure capability, */
+										  /* i.e. via user button and uicallback. */
+	inst2_switch_trig       = 0x00000400, /* Inst. switch trigger measure capability, */
+										  /* i.e. instrument directly starts measurement */
+										  /* via mechanical switch. */
 	inst2_user_switch_trig  = 0x00000800, /* User or switch trigger measure capability */
 
 	inst2_bidi_scan         = 0x00001000, /* Try and recognise patches scanned from either dir. */
@@ -356,6 +383,11 @@ typedef enum {
 
 		optional password
 		configuration specific calibrations. How are they marked ?
+
+
+	Also for ccss capable instruments:
+
+	 write corresponding ccmx for given ccss.
 */
 
 typedef enum {
@@ -446,7 +478,7 @@ typedef enum {
 
 	inst_opt_trig_prog          = 0x000E,	/* Trigger progromatically [No args] */
 	inst_opt_trig_user          = 0x000F,	/* Trigger from user via uicallback [No args] */
-	inst_opt_trig_switch        = 0x0010,	/* Trigger using instrument switch [No args] */
+	inst_opt_trig_switch        = 0x0010,	/* Trigger directly using instrument switch [No args] */
 	inst_opt_trig_user_switch   = 0x0011,	/* Trigger from user via uicallback or switch (def) [No args] */
 
 	inst_opt_highres            = 0x0012,	/* Enable high res spectral mode indep. of set_mode() */
@@ -468,12 +500,24 @@ typedef enum {
 	inst_opt_get_min_int_time   = 0x001D,	/* Get the minimum integration time [*double time] */
 	inst_opt_set_min_int_time   = 0x001E,	/* Set the minimum integration time [double time] */
 
-	inst_opt_opt_calibs_valid   = 0x001F,	/* Are optional calibrations valid  [*int valid] */
-	inst_opt_clear_opt_calibs   = 0x0020	/* Clear all optional calibrations. */
+	inst_opt_opt_calibs_valid   = 0x001F,	/* Are optional (white/black/gloss etc.) calibrations */
+	                                        /* valid?                     [*int valid] */
+	inst_opt_clear_opt_calibs   = 0x0020,	/* Clear all optional calibrations. */
+
+	inst_opt_get_cal_tile_sp    = 0x0021,	/* Return refl. white tile reference spectrum. */
+	                                        /* for current filter.          [*xspect tile] */
+
+	inst_opt_set_xcalstd        = 0x0022,	/* Set the X-Rite reflective calibration standard */
+											/*                             [xcalstd standard] */
+	inst_opt_get_xcalstd        = 0x0023,	/* Get the effective X-Rite ref. cal. standard */
+											/*                             [xcalstd *standard] */
+	inst_opt_lamp_remediate     = 0x0024	/* Remediate i1Pro lamp           [double seconds] */
+
 
 } inst_opt_type;
 
 /* Optional filter fitted to instrument (for inst_opt_set_filter) */
+/* Set this before calling init_coms() */
 typedef enum {
 	inst_opt_filter_unknown  = 0xffff,	/* Unspecified filter */
 	inst_opt_filter_none     = 0x0000,	/* No filters fitted */
@@ -588,24 +632,42 @@ typedef enum {
 
 } inst_cal_cond;
 
+/* Condition identifier message type. This can be useful in internationalizing the */
+/* string returned in id[] from calibrate() */
+typedef enum {
+	inst_calc_id_none      = 0x00000000,	/* No id */
+	inst_calc_id_ref_sn    = 0x00000001,	/* Calibration reference (ie. tile) serial number */
+
+	inst_calc_id_trans_low = 0x00010000,	/* Trans. Ref. light is too low for accuracy warning */
+	inst_calc_id_trans_wl  = 0x00020000,	/* Trans. Ref. light is low at some wavelengths warning */
+	inst_calc_id_filt_unkn = 0x00100000,	/* Request unknown filter */
+	inst_calc_id_filt_none = 0x00200000,	/* Request no filter */
+	inst_calc_id_filt_pol  = 0x00300000,	/* Request polarizing filter */
+	inst_calc_id_filt_D65  = 0x00400000,	/* Request D65 filter */
+	inst_calc_id_filt_UV   = 0x00500000,	/* Request UV cut filter */
+	inst_calc_id_filt_cust = 0x00600000		/* Request custom filter */
+} inst_calc_id_type;
+
 /* Clamping state */
 typedef enum {
     instNoClamp			= 0,	/* Don't clamp XYZ/Lab to +ve */
     instClamp			= 1,	/* Clamp XYZ/Lab to +ve */
 } instClamping;
 
-/* User interaction callback function purpose */
+/* User interaction callback (uicallback()) function purpose */
 typedef enum {
-    inst_negcoms,		/* Negotiating communications */
-    inst_triggered,		/* Measurement has been triggered by switch or user (not progromatic) */
-    inst_armed,			/* Armed and waiting for a measurement trigger */
-    inst_measuring		/* Busy measuring */
+    inst_negcoms,		/* Negotiating communications - can abort */
+    inst_armed,			/* Armed and waiting for a measurement trigger - can wait, trigger, abort */
+    inst_triggered,		/* Measurement triggered by switch or user (not progromatic) - notice */
+						/* (Also triggered by switch driven calibration,i.e. DTP41) */
+    inst_measuring		/* Busy measuring - can abort */
 } inst_ui_purp;
 
 /* Asynchronous event callback type */
 typedef enum {
-    inst_event_switch,	/* Instrument measure/calibrate switch pressed */
-    inst_event_mconf	/* Change in measurement configuration (ie. sensor position) */
+    inst_event_switch,		/* Instrument measure/calibrate switch pressed. */
+    inst_event_mconf,		/* Change in measurement configuration (ie. sensor position) */
+    inst_event_scan_ready	/* Ready for manual strip scan (i.e. issue audible prompt) */
 } inst_event_type;
 
 /* Instrument configuration/sensor position*/
@@ -641,7 +703,9 @@ typedef enum {
 	inst_code (*uicallback)(void *cntx, inst_ui_purp purp);						\
 	void *uic_cntx;		/* User interaction callback function */				\
 	void (*eventcallback)(void *cntx, inst_event_type event);					\
-	void *event_cntx;	/* Event callback function */							\
+	void *event_cntx;	/* Asynchronous event callback function */				\
+	athread *scan_ready_thread;	/* msec_scan_ready() support */					\
+	int scan_ready_delay;		/* msec_scan_ready() support */					\
 																				\
 	/* Virtual delete. Cleans up things done by new_inst(). */					\
 	inst_code (*vdel)(															\
@@ -819,15 +883,15 @@ typedef enum {
 																				\
 																				\
 	/* Read a set of strips (applicable to strip reader) */						\
-	/* Obeys the trigger mode set, and may return user trigger code */			\
-	/* (to hint that a user command may be available) */						\
+	/* Obeys the trigger mode set, and may return user trigger code, */			\
+	/* to hint that a user command may be available. */							\
 	/* Return the inst error code */											\
 	inst_code (*read_strip)(													\
 		struct _inst *p,														\
-		char *name,			/* Strip name (up to 7 chars) */					\
+		char *name,			/* Strip name (up to 7 chars, for DTP51) */			\
 		int npatch,			/* Number of patches in each pass */				\
-		char *pname,		/* Pass name (3 chars) */							\
-		int sguide,			/* Guide number (decrements by 5) */				\
+		char *pname,		/* Pass name (3 chars, for DTP51) */				\
+		int sguide,			/* Guide number (for DTP51, decrements by 5) */		\
 		double pwid,		/* Patch width in mm (For DTP20/DTP41) */			\
 		double gwid,		/* Gap width in mm  (For DTP20/DTP41) */			\
 		double twid,		/* Trailer width in mm  (For DTP41T) */				\
@@ -836,9 +900,9 @@ typedef enum {
 																				\
 	/* Read a single sample (applicable to spot instruments) */					\
 	/* Obeys the trigger mode set, and may return user trigger code */			\
-	/* Values are in XYZ 0..100 for reflective transmissive, */					\
-	/* aXYZ in cd/m^2 for emissive, amd Lux/3.1415926 for ambient. */			\
-	/* Spectral will be analogous to the XYZ. */								\
+	/* Values are in XYZ % (0..100) for reflective & transmissive, */			\
+	/* cd/m^2 for emissive, and Lux for ambient. */								\
+	/* Spectral will be analogous to the XYZ (see inst_meas_type). */			\
 	/* By default values may be -ve due to noise (depending on instrument) */	\
 	/* Return the inst error code */											\
 	inst_code (*read_sample)(													\
@@ -916,8 +980,10 @@ typedef enum {
 		struct _inst *p,														\
 		inst_cal_type *calt,	/* Calibration type to do/remaining */			\
 		inst_cal_cond *calc,	/* Current condition/desired condition */		\
+		inst_calc_id_type *idtype,	/* Condition identifier type */				\
 		char id[CALIDLEN]);		/* Condition identifier (ie. white */			\
-								/* reference ID, filter ID) */					\
+								/* reference ID, filter ID, message string, */	\
+								/* etc.) */										\
 																				\
 	/* Measure a display update, and instrument reaction time. It is */			\
 	/* assumed that a white to black change will be made to the */				\
@@ -1006,12 +1072,12 @@ typedef enum {
      * For inst_negcoms, the return value of inst_user_abort					\
 	 * will abort the communication negotiation.								\
 	 *																			\
-	 * For inst_triggered, the return value of the callback is ignored.			\
-	 *																			\
 	 * For inst_armed return value should be one of: 							\
 	 * inst_ok to do nothing, inst_user_abort to abort the measurement,			\
 	 * or inst_user_trig to trigger the measurement.							\
 	 *																			\
+	 * For inst_triggered, the return value of the callback is ignored.			\
+	 *																			\
 	 * For inst_measuring the return value should be one of:					\
 	 * inst_ok to do nothing, inst_user_abort to abort the measurement.			\
 	 *																			\
@@ -1022,10 +1088,11 @@ typedef enum {
 		void *cntx);															\
 																				\
 	/* Supply an aynchronous event callback function.							\
-	 * This is called from a thread with the following possible events:			\
+	 * This is called from a different thread with the following possible events:		\
 	 *																			\
 	 * inst_event_switch: Instrument measure/calibrate switch pressed 			\
 	 * inst_event_mconf: The measurement configuration has changed (ie. sensor position)	\
+     * inst_event_scan_ready: Ready for manual strip scan (i.e. issue audible prompt)	\
 	 *																			\
 	 * NULL can be set to disable the callback.									\
 	 */																			\
@@ -1068,7 +1135,8 @@ extern inst *new_inst(
 );
 
 /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
-/* Implementation functions used by drivers */
+/* Implementation functions used by instrument drivers */
+/* (Client code should not call these) */
 
 /* Get a status or set or get an option (default implementation) */
 inst_code inst_get_set_opt_def(
@@ -1090,6 +1158,10 @@ int doccmx						/* Add matching installed ccmx files */
 /* Free a display type list */
 void inst_del_disptype_list(inst_disptypesel *list, int no);
 
+/* - - - - - - - - - - - - - - - - - - -- */
+
+/* Issue an inst_event_scan_ready event after a delay */
+void issue_scan_ready(inst *p, int delay);
 
 /* - - - - - - - - - - - - - - - - - - -- */
 /* CCMX support - ccmx instrument proxy */
diff --git a/spectro/instappsup.c b/spectro/instappsup.c
index d2ce7ff..fc550b4 100644
--- a/spectro/instappsup.c
+++ b/spectro/instappsup.c
@@ -1,5 +1,5 @@
 
- /* Instrument command line application support functions */
+/* Instrument command line application support functions */
 
 /* 
  * Argyll Color Correction System
@@ -72,7 +72,6 @@ static inst_code def_uicallback(void *cntx, inst_ui_purp purp) {
 				return inst_user_trig;
 		}
 
-	/* Change in measurement configuration */
 	} else if (purp == inst_measuring) {
 		return inst_ok;
 	}
@@ -173,8 +172,9 @@ inst_code inst_handle_calibrate(
 	int doimmediately		/* If nz, don't wait for user, calibrate immediatley */
 ) {
 	inst_code rv = inst_ok, ev;
-	int usermes = 0;		/* User was given a message */
-	char id[200];			/* Condition identifier */
+	int usermes = 0;			/* User was given a message */
+	inst_calc_id_type idtype;	/* Condition identifier type */
+	char id[200];				/* Condition identifier */
 	int ch;
 
 	a1logd(p->log,1,"inst_handle_calibrate called\n");
@@ -183,13 +183,15 @@ inst_code inst_handle_calibrate(
 	for (;;) {
 
 		a1logd(p->log,1,"About to call calibrate at top of loop\n");
-	    ev = p->calibrate(p, &calt, &calc, id);
+	    ev = p->calibrate(p, &calt, &calc, &idtype, id);
 		a1logd(p->log,1,"Calibrate returned calt 0x%x, calc 0x%x, ev 0x%x\n",calt,calc,ev);
 
 		/* We're done */
 		if ((ev & inst_mask) == inst_ok) {
-			if ((calc & inst_calc_cond_mask) == inst_calc_message)
+			if ((calc & inst_calc_cond_mask) == inst_calc_message) {
+				/* (Or could create our own message text based on value of idtype) */
 				printf("%s\n",id);
+			}
 			if (usermes)
 				printf("Calibration complete\n");
 			fflush(stdout);
@@ -249,7 +251,7 @@ inst_code inst_handle_calibrate(
 					break;
 			
 				case inst_calc_man_ref_white:
-					printf("Place the instrument on its reflective white reference %s,\n",id);
+					printf("Place the instrument on its reflective white reference S/N %s,\n",id);
 					printf(" and then hit any key to continue,\n"); 
 					break;
 
@@ -448,12 +450,12 @@ inst2_capability inst_show_disptype_options(FILE *fp, char *oline, icompaths *ic
 
 	olen = strlen(oline);		/* lenth of option part of line */
 
-	for (i = 0; icmps != NULL && i < icmps->npaths; i++) {
+	for (i = 0; icmps != NULL && i < icmps->ndpaths[dtix_inst]; i++) {
 		inst *it;
 		inst2_capability cap;
 		int k;
 
-		if ((it = new_inst(icmps->paths[i], 1, g_log, NULL, NULL)) == NULL) {
+		if ((it = new_inst(icmps->dpaths[dtix_inst][i], 1, g_log, NULL, NULL)) == NULL) {
 			notall = 1;
 			continue;
 		}
diff --git a/spectro/instlib.ksh b/spectro/instlib.ksh
index 88796f8..8b0303f 100644
--- a/spectro/instlib.ksh
+++ b/spectro/instlib.ksh
@@ -42,6 +42,7 @@ RSPL_FILES="
 
 SPECTRO_FILES="
 	License2.txt
+	spotread.c
 	Makefile.OSX
 	Makefile.UNIX
 	Makefile.WNT
@@ -49,6 +50,8 @@ SPECTRO_FILES="
 	pollem.c
 	conv.h
 	conv.c
+	sa_conv.h
+	sa_conv.c
 	aglob.c
 	aglob.h
 	hidio.h
@@ -56,13 +59,13 @@ SPECTRO_FILES="
 	icoms.h
 	inst.h
 	inst.c
-	disptechs.h
-	disptechs.c
 	insttypes.c
 	insttypes.h
 	insttypeinst.h
 	instappsup.c
 	instappsup.h
+	disptechs.h
+	disptechs.c
 	dtp20.c
 	dtp20.h
 	dtp22.c
@@ -101,6 +104,11 @@ SPECTRO_FILES="
 	specbos.c
 	kleink10.h
 	kleink10.c
+	ex1.c
+    ex1.h
+    smcube.h
+	smcube.c
+    cubecal.h
 	oemarch.c
 	oemarch.h
 	oeminst.c
@@ -118,10 +126,14 @@ SPECTRO_FILES="
 	usbio_nt.c
 	usbio_ox.c
 	usbio_lx.c
-	usbio_bsd.c
+	rspec.h
+	rspec.c
 	xdg_bds.c
 	xdg_bds.h
-	spotread.c
+	base64.h
+	base64.c
+	xrga.h
+	xrga.c
 	"
 
 FILES=" $H_FILES $CGATS_FILES $NUMLIB_FILES $RSPL_FILES $XICC_FILES $SPECTRO_FILES "
@@ -138,7 +150,7 @@ for j in $FILES
 do
 	if [ ! -e ${j} ] ; then
 		echo "!!!!!!!!!!!!!!!!!!!!!!!!!!! Can't find file ${j} !!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-		NOTFOUND="$NOTFOUND ${tt}"
+		NOTFOUND="$NOTFOUND ${j}"
 	else 
 		cp ${j} _zipdir/instlib/${j##*/}
 		echo instlib/${j##*/} >> _ziplist
diff --git a/spectro/insttypeinst.h b/spectro/insttypeinst.h
index ad8047d..081d130 100644
--- a/spectro/insttypeinst.h
+++ b/spectro/insttypeinst.h
@@ -9,6 +9,10 @@
  * see the License2.txt file for licencing details.
  */
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 
 #ifdef ENABLE_SERIAL
 # include "dtp22.h"
diff --git a/spectro/insttypes.c b/spectro/insttypes.c
index 5a660a8..760d678 100644
--- a/spectro/insttypes.c
+++ b/spectro/insttypes.c
@@ -1,5 +1,5 @@
 
- /* Instrument supported types utilities */
+/* Instrument supported types utilities */
 
 /* 
  * Argyll Color Correction System
@@ -37,6 +37,65 @@
 
 /* Utility functions */
 
+/* Given a device type, return the corrsponding */
+/* category */
+extern icom_type inst_category(instType itype) {
+	switch (itype) {
+
+	/* Color measurement instruments */
+	case instDTP22:
+	case instDTP41:
+	case instDTP51:
+	case instSpectrolino:
+	case instSpectroScan:
+	case instSpectroScanT:
+	case instSpectrocam:
+	case instSpecbos1201:
+	case instSpecbos:
+	case instSpectraval:
+	case instKleinK10:
+	case instSMCube:
+	case instDTP20:
+	case instDTP92:
+	case instDTP94:
+	case instI1Disp1:
+	case instI1Disp2:
+	case instI1Disp3:
+	case instI1Monitor:
+	case instI1Pro:
+	case instI1Pro2:
+	case instColorMunki:
+	case instHCFR:
+	case instSpyder1:
+	case instSpyder2:
+	case instSpyder3:
+	case instSpyder4:
+	case instSpyder5:
+	case instHuey:
+	case instSmile:
+	case instEX1:
+	case instColorHug:
+	case instColorHug2:
+
+
+		return icomt_instrument;
+
+	/* 3D cLUT box */
+
+	/* Video test patern generator box */
+
+	/* Printers */
+	case devEpsonR1800:
+		return icomt_printer;
+
+	case instFakeDisp:
+		return icomt_unknown;		// ???
+
+	}
+
+	return icomt_cat_any;
+}
+
 /* Return the short instrument identification name (static string) */
 char *inst_sname(instType itype) {
 	switch (itype) {
@@ -94,6 +153,8 @@ char *inst_sname(instType itype) {
 			return "specbos 1201";
 		case instSpecbos:
 			return "specbos";
+		case instSpectraval:
+			return "spectraval";
 		case instKleinK10:
 			return "K-10";
 		case instEX1:
@@ -104,6 +165,7 @@ char *inst_sname(instType itype) {
 			return "ColorHug";
 		case instColorHug2:
 			return "ColorHug2";
+
 		default:
 			break;
 	}
@@ -167,6 +229,8 @@ char *inst_name(instType itype) {
 			return "JETI specbos 1201";
 		case instSpecbos:
 			return "JETI specbos";
+		case instSpectraval:
+			return "JETI spectraval";
 		case instKleinK10:
 			return "Klein K-10";
 		case instEX1:
@@ -177,6 +241,7 @@ char *inst_name(instType itype) {
 			return "Hughski ColorHug";
 		case instColorHug2:
 			return "Hughski ColorHug2";
+
 		default:
 			break;
 	}
@@ -258,6 +323,8 @@ instType inst_enum(char *name) {
 		return instSpecbos1201;
 	else if (strcmp(name, "JETI specbos") == 0)
 		return instSpecbos;
+	else if (strcmp(name, "JETI spectraval") == 0)
+		return instSpectraval;
 	else if (strcmp(name, "Klein K-10") == 0)
 		return instKleinK10;
 	else if (strcmp(name, "Image Engineering EX1") == 0)
@@ -445,6 +512,7 @@ int inst_illuminant(xspect *sp, instType itype) {
 
 		case instSpecbos1201:
 		case instSpecbos:
+		case instSpectraval:
 			return 1;										/* Not applicable */
 
 		case instKleinK10:
@@ -456,6 +524,7 @@ int inst_illuminant(xspect *sp, instType itype) {
 		case instSMCube:
 			return 1;										/* Not applicable */
 
+
 		case instColorHug:
 		case instColorHug2:
 			return 1;										/* Not applicable */
diff --git a/spectro/insttypes.h b/spectro/insttypes.h
index ab80cd2..8306bc8 100644
--- a/spectro/insttypes.h
+++ b/spectro/insttypes.h
@@ -1,7 +1,7 @@
 
 #ifndef INSTTYPES_H
 
- /* Instrument suported types utilities. */
+/* Device and Instrument suported types definitions. */
 
 /* 
  * Argyll Color Correction System
@@ -23,9 +23,11 @@
 
 
 /* ----------------------------- */
-/* Possible types of instruments */
+/* Possible types of devices and instruments */
 typedef enum {
-    instUnknown      = 0,		/* Undefined Instrument */
+    devUnknown      = 0,		/* Undefined Device */
+
+	/* Color measurement instruments */
     instDTP22,					/* Xrite DTP22 (Digital Swatchbook)  */
     instDTP41,       			/* Xrite DTP41 */
     instDTP51, 					/* Xrite DTP51 */
@@ -35,6 +37,7 @@ typedef enum {
 	instSpectrocam,				/* Avantes Spectrocam */
 	instSpecbos1201,			/* JETI specbos 1201 */
 	instSpecbos,				/* JETI specbos XXXX */
+	instSpectraval,				/* JETI spectraval 1501, 1511 */
 	instKleinK10,				/* Klein K10-A */
 	instSMCube,					/* SwatchMate Cube */
     instDTP20,					/* Xrite DTP20 (Pulse)  */
@@ -62,12 +65,33 @@ typedef enum {
 
 	instFakeDisp = 9998,		/* Fake display & instrument device id */
 
-} instType;
+	/* 3D cLUT box */
+	// 20000
+
+	/* Video test patern generator box */
+	// 30000
+
+	/* Printers */
+	devEpsonR1800 = 40000		/* Epson R1800 printer */
 
-struct _icoms;					/* Forward declaration */
+} devType;
+
+/* Aliases for backwards compatibility */
+#define instUnknown devUnknown
+typedef devType instType;
+typedef devType cLUTType;
+typedef devType vtpgType;
+typedef devType printerType;
+
+struct _icoms;					/* Forward declarations */
+enum _icom_type;
 
 /* Utility functions in libinsttypes */
 
+/* Given a device type, return the corrsponding */
+/* category */
+//extern _icom_type inst_category(instType itype);
+
 /* Given its instrument type, return the matching */
 /* short instrument name (static string), */
 extern char *inst_sname(instType itype);
diff --git a/spectro/iusb.h b/spectro/iusb.h
index a254ec0..94047cf 100644
--- a/spectro/iusb.h
+++ b/spectro/iusb.h
@@ -10,6 +10,10 @@
  * see the License2.txt file for licencing details.
  */
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Device and/or Interface Class codes */
 #define IUSB_CLASS_PER_INTERFACE     0x00    /* for DeviceClass */
 #define IUSB_CLASS_AUDIO             0x01
@@ -127,5 +131,9 @@
 #define IUSB_DEVICE_STATUS_REMOTE_WAKEUP  0x0002
 #define IUSB_ENDPOINT_STATUS_HALT         0x0001
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define _IUSB_H_
 #endif /* _IUSB_H_ */
diff --git a/spectro/kleink10.c b/spectro/kleink10.c
index 9599972..3d67b6c 100644
--- a/spectro/kleink10.c
+++ b/spectro/kleink10.c
@@ -369,8 +369,7 @@ k10_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 
 	amutex_lock(p->lock);
 
-	if (p->icom->port_type(p->icom) != icomt_serial
-	 && p->icom->port_type(p->icom) != icomt_usbserial) {
+	if (!(p->icom->port_type(p->icom) & icomt_serial)) {
 		amutex_unlock(p->lock);
 		a1logd(p->log, 1, "k10_init_coms: wrong communications type for device!\n");
 		return inst_coms_fail;
@@ -386,7 +385,8 @@ k10_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		if (brt[i] == baud_nc) {
 			i = 0;
 		}
-		a1logd(p->log, 5, "k10_init_coms: trying baud ix %d\n",brt[i]);
+		a1logd(p->log, 5, "k10_init_coms: Trying %s baud, %d msec to go\n",
+			                      baud_rate_to_str(brt[i]), etime- msec_time());
 		if ((se = p->icom->set_ser_port(p->icom, fc_HardwareDTR, brt[i], parity_none,
 			                         stop_1, length_8)) != ICOM_OK) { 
 			amutex_unlock(p->lock);
@@ -397,7 +397,7 @@ k10_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		/* Check instrument is responding */
 		if (((ev = k10_command(p, "P0\r", buf, MAX_MES_SIZE, NULL, 21, ec_ec, 0.5)) & inst_mask)
 			                                                       != inst_coms_fail) {
-			break;		/* We've got coms or user abort */
+			goto got_coms;		/* We've got coms or user abort */
 		}
 
 		/* Check for user abort */
@@ -411,11 +411,12 @@ k10_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		}
 	}
 
-	if (msec_time() >= etime) {		/* We haven't established comms */
-		amutex_unlock(p->lock);
-		a1logd(p->log, 2, "k10_init_coms: failed to establish coms\n");
-		return inst_coms_fail;
-	}
+	/* We haven't established comms */
+	amutex_unlock(p->lock);
+	a1logd(p->log, 2, "k10_init_coms: failed to establish coms\n");
+	return inst_coms_fail;
+
+  got_coms:;
 
 	/* Check the response */
 	if (ev != inst_ok) {
@@ -2255,6 +2256,7 @@ inst_code k10_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	kleink10 *p = (kleink10 *)pp;
@@ -2267,6 +2269,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = k10_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -2738,8 +2741,7 @@ double mtx[3][3]
  * error if it hasn't been initialised.
  */
 static inst_code
-k10_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+k10_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	kleink10 *p = (kleink10 *)pp;
 	char buf[MAX_MES_SIZE];
 	int se;
@@ -2753,6 +2755,11 @@ k10_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
+	if (!p->gotcoms)
+		return inst_no_coms;
+	if (!p->inited)
+		return inst_no_init;
+
 	/* Get target light state */
 	if (m == inst_opt_get_target_state) {
 		va_list args;
@@ -2821,12 +2828,17 @@ k10_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	if (!p->gotcoms)
-		return inst_no_coms;
-	if (!p->inited)
-		return inst_no_init;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
 
-	return inst_unsupported;
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/kleink10.h b/spectro/kleink10.h
index 4dcc334..136476a 100644
--- a/spectro/kleink10.h
+++ b/spectro/kleink10.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Fake Error codes */
 #define K10_INTERNAL_ERROR			0xff01		/* Internal software error */
 #define K10_TIMEOUT				    0xff02		/* Communication timeout */
@@ -116,6 +120,9 @@ struct _kleink10 {
 /* Constructor */
 extern kleink10 *new_kleink10(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define KLEINK10_H
 #endif /* KLEINK10_H */
diff --git a/spectro/linear.cal b/spectro/linear.cal
index 9c88605..b5e06c0 100644
--- a/spectro/linear.cal
+++ b/spectro/linear.cal
@@ -2,7 +2,7 @@ CAL
 
 DESCRIPTOR "Argyll Device Calibration Curves"
 ORIGINATOR "Argyll synthcal"
-CREATED "Mon Oct 26 01:10:48 2015"
+CREATED "Wed Sep 28 02:35:54 2016"
 DEVICE_CLASS "DISPLAY"
 COLOR_REP "RGB"
 
diff --git a/spectro/madvrwin.c b/spectro/madvrwin.c
index e131e5e..305a240 100644
--- a/spectro/madvrwin.c
+++ b/spectro/madvrwin.c
@@ -215,8 +215,11 @@ static ramdac *madvrwin_get_ramdac(dispwin *p) {
 		debugr("madvrwin_get_ramdac failed on malloc()\n");
 		return NULL;
 	}
-	r->pdepth = p->pdepth;
-	r->nent = (1 << p->pdepth);
+	r->fdepth = p->fdepth;
+	r->rdepth = p->rdepth;
+	r->ndepth = p->ndepth;
+	r->nent   = p->nent;
+
 	r->clone =  dispwin_clone_ramdac;
 	r->setlin = dispwin_setlin_ramdac;
 	r->del =    dispwin_del_ramdac;
@@ -506,8 +509,15 @@ int ddebug						/* >0 to print debug statements to stderr */
 
 	dispwin_set_default_delays(p);
 
-	p->pdepth = 8;		/* Assume this */
-	p->edepth = 16;
+	p->fdepth = 8;				/* Assume this */
+	p->rdepth = p->fdepth;		/* Assumed */
+	p->ndepth = p->rdepth;		/* Assumed */
+#ifdef ENABLE_RAMDAC
+	p->nent = (1 << p->ndepth);	
+#else
+	p->nent = 0;				/* No ramdac */
+#endif
+	p->edepth = 16;				/* Assumed */
 
 	if (initMadVR(p)) {
 		debugr2((errout,"Failed to locate MadVR .dll or functions\n"));
@@ -515,7 +525,7 @@ int ddebug						/* >0 to print debug statements to stderr */
 		return NULL;
 	}
 
-	if (!madVR_BlindConnect(0, 1000)) {
+	if (!madVR_BlindConnect(1, 1000)) {
 		debugr2((errout,"Failed to connect to MadVR\n"));
 		free(p);
 		return NULL;
diff --git a/spectro/munki.c b/spectro/munki.c
index df54cd9..16cd863 100644
--- a/spectro/munki.c
+++ b/spectro/munki.c
@@ -71,8 +71,15 @@ static inst_code
 munki_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	munki *p = (munki *) pp;
 	int se;
+#if defined(UNIX_X11)
+	/* Some Linux drivers fail to start every second time the device is opened */
+	/* if no clear halt is done on open, and some do the opposite. So */
+	/* reset after close to avoid the problem in all cases. */ 
+	icomuflags usbflags = icomuf_no_open_clear | icomuf_reset_before_close;
+#else
 	icomuflags usbflags = icomuf_none;
-#ifdef __APPLE__
+#endif
+#ifdef UNIX_APPLE
 	/* If the ColorMunki software has been installed, then there will */
 	/* be a daemon process that has the device open. Kill that process off */
 	/* so that we can open it here, before it re-spawns. */
@@ -82,10 +89,10 @@ munki_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			NULL
 	};
 	int retries = 20;
-#else /* !__APPLE__ */
+#else /* !UNIX_APPLE */
 	char **pnames = NULL;
 	int retries = 0;
-#endif /* !__APPLE__ */
+#endif /* !UNIX_APPLE */
 
 	a1logd(p->log, 2, "munki_init_coms: called\n");
 
@@ -98,6 +105,8 @@ munki_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 
 	/* Set config, interface, write end point, read end point, read quanta */
 	/* ("serial" end points aren't used - the Munki uses USB control messages) */
+	/* (The ColorMunki on Linux only starts every second time if we use the */
+	/* icomuf_no_open_clear flag.) */
 	if ((se = p->icom->set_usb_port(p->icom, 1, 0x00, 0x00, usbflags, retries, pnames))
 		                                                                   != ICOM_OK) { 
 		a1logd(p->log, 1, "munki_init_coms: failed ICOM err 0x%x\n",se);
@@ -368,6 +377,7 @@ static inst_code munki_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	munki *p = (munki *)pp;
@@ -378,7 +388,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
-	rv = munki_imp_calibrate(p, calt, calc, id);
+	rv = munki_imp_calibrate(p, calt, calc, idtype, id);
 
 	return munki_interp_code(p, rv);
 }
@@ -455,7 +465,7 @@ munki_interp_error(inst *pp, munki_code ec) {
 		case MUNKI_RD_TOOMANYPATCHES:
 			return "Too many patches";
 		case MUNKI_RD_NOTENOUGHSAMPLES:
-			return "Not enough samples per patch";
+			return "Not enough samples per patch - Slow Down!";
 		case MUNKI_RD_NOFLASHES:
 			return "No flashes recognized";
 		case MUNKI_RD_NOAMBB4FLASHES:
@@ -797,6 +807,39 @@ munki_get_set_opt(inst *pp, inst_opt_type m, ...) {
 		return munki_interp_code(p, munki_set_scan_toll(p, toll_ratio));
 	}
 
+	/* Set xcalstd */
+	if (m == inst_opt_set_xcalstd) {
+		munkiimp *imp = (munkiimp *)p->m;
+		xcalstd standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd);
+		va_end(args);
+
+		imp->target_calstd = standard;
+
+		return inst_ok;
+	}
+
+	/* Get the current effective xcalstd */
+	if (m == inst_opt_get_xcalstd) {
+		munkiimp *imp = (munkiimp *)p->m;
+		xcalstd *standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd *);
+		va_end(args);
+
+		if (imp->target_calstd == xcalstd_native)
+			*standard = imp->native_calstd;		/* If not overridden */
+		else
+			*standard = imp->target_calstd;		/* Overidden std. */
+
+		return inst_ok;
+	}
+
 	if (!p->gotcoms)
 		return inst_no_coms;
 	if (!p->inited)
@@ -915,6 +958,33 @@ munki_get_set_opt(inst *pp, inst_opt_type m, ...) {
 		return inst_ok;
 	}
 
+	/* Return the white calibration tile spectrum */
+	/* (We always return the normal rez. reference values) */
+	if (m == inst_opt_get_cal_tile_sp) {
+		munkiimp *imp = (munkiimp *)p->m;
+		xspect *sp;
+		inst_code rv;
+		va_list args;
+		int i;
+
+		va_start(args, m);
+		sp = va_arg(args, xspect *);
+		va_end(args);
+
+		if (imp->white_ref1 == NULL)
+			return inst_no_init;
+
+		sp->spec_n = imp->nwav1;
+		sp->spec_wl_short = imp->wl_short1;
+		sp->spec_wl_long = imp->wl_long1;
+		sp->norm = 100.0;
+
+		for (i = 0; i < sp->spec_n; i++)
+			sp->spec[i] = imp->white_ref1[i] * 100.0; 
+		
+		return inst_ok;
+	}
+
 	/* Use default implementation of other inst_opt_type's */
 	{
 		inst_code rv;
diff --git a/spectro/munki_imp.c b/spectro/munki_imp.c
index 6f49d0d..eae2837 100644
--- a/spectro/munki_imp.c
+++ b/spectro/munki_imp.c
@@ -146,6 +146,7 @@
 
 #include "munki.h"
 #include "munki_imp.h"
+#include "xrga.h"
 
 /* - - - - - - - - - - - - - - - - - - */
 
@@ -478,12 +479,27 @@ munki_code munki_imp_init(munki *p) {
 	unsigned char buf[4];
 	int calsize = 0, rucalsize;
 	unsigned char *calbuf;	/* EEProm contents */
+	char *envv;
 
 	a1logd(p->log,2,"munki_init:\n");
 
 	if (p->itype != instColorMunki)
 		return MUNKI_UNKNOWN_MODEL;
 
+
+	m->native_calstd = xcalstd_xrga;
+	m->target_calstd = xcalstd_native;		/* Default to native calibration standard*/
+
+	/* Honour Environment override */
+	if ((envv = getenv("ARGYLL_XCALSTD")) != NULL) {
+		if (strcmp(envv, "XRGA") == 0)
+			m->target_calstd = xcalstd_xrga;
+		else if (strcmp(envv, "XRDI") == 0)
+			m->target_calstd = xcalstd_xrdi;
+		else if (strcmp(envv, "GMDI") == 0)
+			m->target_calstd = xcalstd_gmdi;
+	}
+
 #ifdef ENABLE_SPOS_CHECK
 	m->nosposcheck = 0;
 #else
@@ -523,7 +539,7 @@ munki_code munki_imp_init(munki *p) {
 		return ev; 
 
 	/* Dump the eeprom contents as a block */
-	if (p->log->debug >= 7) {
+	if (p->log->debug >= 9) {
 		int base, size;
 	
 		a1logd(p->log,7, "EEPROM contents:\n"); 
@@ -960,6 +976,7 @@ munki_code munki_imp_calibrate(
 	munki *p,
 	inst_cal_type *calt,	/* Calibration type to do/remaining */
 	inst_cal_cond *calc,	/* Current condition/desired condition */
+	inst_calc_id_type *idtype,	/* Condition identifier type */
 	char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	munki_code ev = MUNKI_OK;
@@ -1670,24 +1687,28 @@ if (ss->idark_int_time[j] != s->idark_int_time[j])
 			return MUNKI_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_em_dark) {		/* Emissive Dark calib */
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_cal_smode) {
 			*calc = inst_calc_man_cal_smode;
 			return MUNKI_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_trans_dark) {	/* Transmissive dark */
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_cal_smode) {
 			*calc = inst_calc_man_cal_smode;
 			return MUNKI_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_trans_vwhite) {	/* Transmissive white for emulated trans. */
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_man_trans_white) {
 			*calc = inst_calc_man_trans_white;
 			return MUNKI_CAL_SETUP;
 		}
 	} else if (*calt & inst_calt_emis_int_time) {
+		*idtype = inst_calc_id_none;
 		id[0] = '\000';
 		if ((*calc & inst_calc_cond_mask) != inst_calc_emis_white) {
 			*calc = inst_calc_emis_white;
@@ -1709,10 +1730,13 @@ if (ss->idark_int_time[j] != s->idark_int_time[j])
 	
 	if (m->transwarn) {
 		*calc = inst_calc_message;
-		if (m->transwarn & 2)
+		if (m->transwarn & 2) {
+			*idtype = inst_calc_id_trans_low;
 			strcpy(id, "Warning: Transmission light source is too low for accuracy!");
-		else
+		} else {
+			*idtype = inst_calc_id_trans_wl;
 			strcpy(id, "Warning: Transmission light source is low at some wavelengths!");
+		}
 		m->transwarn = 0;
 		return MUNKI_OK;
 	}
@@ -2259,8 +2283,13 @@ munki_code munki_imp_measure(
 	/* Indicate to the user that they can now scan the instrument, */
 	/* after a little delay that allows for the instrument reaction time. */
 	if (s->scan) {
-		/* 100msec delay, 1KHz for 200 msec */
-		msec_beep(0 + (int)(invsampt * 1000.0 + 0.9), 1000, 200);
+		int delay = 100 + (int)(invsampt * 1000.0 + 0.9);
+		if (p->eventcallback != NULL) {
+			issue_scan_ready((inst *)p, delay);
+		} else {
+			/* delay then 1KHz for 200 msec */
+			msec_beep(delay, 1000, 200);
+		}
 	}
 
 	/* Retry loop in case a display read is saturated */
@@ -5716,9 +5745,10 @@ munki_code munki_extract_patches_multimeas(
 		if (pat[k].use == 0)
 			continue;
 
-		nno = (pat[k].no * 3)/4;
-//		nno = (pat[k].no * 2)/3;		// experimental tighter trim
-		trim = (pat[k].no - nno)/2;
+//		nno = (pat[k].no * 3 + 0)/4;		/* Trim to 75% & round down */
+		nno = (pat[k].no * 2 + 0)/3;		/* Trim to 66% & round down [def] */
+//		nno = (pat[k].no * 2 + 0)/4;		/* Trim to 50% & round down */
+		trim = (pat[k].no - nno + 1)/2;
 
 		pat[k].ss += trim;
 		pat[k].no = nno;
@@ -6257,6 +6287,8 @@ void munki_scale_specrd(
 
 #define DO_CCDNORM			/* [def] Normalise CCD values to original */
 #define DO_CCDNORMAVG		/* [und???] Normalise averages rather than per CCD bin */
+#define BOX_INTEGRATE    	/* [und] Integrate raw samples as if they were +/-0.5 boxes */
+							/*       (This improves coeficient consistency a bit ?) */
 
 #ifdef NEVER
 /* Plot the matrix coefficients */
@@ -6918,7 +6950,7 @@ munki_code munki_create_hr(munki *p, int ref) {
 				if (fabs(w1 - cwl) > fshmax && fabs(w2 - cwl) > fshmax)
 					continue;		/* Doesn't fall into this filter */
 
-#ifndef NEVER
+#ifdef BOX_INTEGRATE
 				/* Integrate in 0.05 nm increments from filter shape */
 				{
 					int nn;
@@ -7924,6 +7956,11 @@ munki_code munki_conv2XYZ(
 	}
 
 	conv->del(conv);
+
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(vals, nvals, xcalstd_nonpol, m->target_calstd, m->native_calstd, clamp);
+
+
 	return MUNKI_OK;
 }
 
diff --git a/spectro/munki_imp.h b/spectro/munki_imp.h
index ea9451f..f639395 100644
--- a/spectro/munki_imp.h
+++ b/spectro/munki_imp.h
@@ -177,6 +177,9 @@ struct _munkiimp {
 
 	double intclkp;				/* Integration clock period (computed from tickdur) */
 
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+	xcalstd target_calstd;		/* Returned calibration standard */
+
 	/* Current state of hardware (~~99 are all these used ??) */
 	double c_inttime;			/* Integration period (=inttime + deadtime) */
 	int c_measmodeflags;		/* Measurement mode flags (set by trigger() */
@@ -418,6 +421,7 @@ munki_code munki_imp_calibrate(
 munki *p,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[100]			/* Condition identifier (ie. white reference ID) */
 );
 
diff --git a/spectro/oemarch.c b/spectro/oemarch.c
index a9bbda1..be9abf3 100644
--- a/spectro/oemarch.c
+++ b/spectro/oemarch.c
@@ -38,6 +38,8 @@
 #include <sys/param.h>
 #include <sys/mount.h>
 #include <ctype.h>
+#include <sys/types.h>
+#include <pwd.h>
 #endif /* UNIX */
 #ifndef SALONEINSTLIB
 #include "copyright.h"
@@ -96,7 +98,7 @@ oem_target oemtargs = {
 		{ NULL }
 	}
 #endif /* NT */
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 	{	/* Installed files */
 		{ "/Applications/Spyder2express 2.2/Spyder2express.app/Contents/MacOSClassic/Spyder.lib", targ_spyd2_pld },
 		{ "/Applications/Spyder2pro 2.2/Spyder2pro.app/Contents/MacOSClassic/Spyder.lib", targ_spyd2_pld },
@@ -122,20 +124,29 @@ oem_target oemtargs = {
 		{ "/Installer/ColorMunkiDisplaySetup.exe", targ_i1d3_edr },
 		{ NULL }
 	}
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 #ifdef UNIX_X11
 	{	/* Installed files */
 		{ NULL }
 	},
-	{	/* Volume names the CDROM may have */
+	{	/* Volume names the CDROM may have. */
+		/* (It's a pity the linux developers have no idea what a stable API looks like...) */
+		{ "/run/media/$USER/ColorVision", targ_spyd2_pld | targ_spyd_cal },
+		{ "/run/media/$USER/Datacolor",   targ_spyd2_pld | targ_spyd_cal },
+		{ "/run/media/$USER/i1Profiler",	                              targ_i1d3_edr },
+		{ "/run/media/$USER/ColorMunki Displ",	                          targ_i1d3_edr },
+
 		{ "/media/ColorVision", targ_spyd2_pld | targ_spyd_cal },
 		{ "/media/Datacolor",   targ_spyd2_pld | targ_spyd_cal },
 		{ "/media/i1Profiler",	                                targ_i1d3_edr },
 		{ "/media/ColorMunki Displ",	                        targ_i1d3_edr },
+
 		{ "/mnt/cdrom",         targ_spyd2_pld | targ_spyd_cal | targ_i1d3_edr },
 		{ "/mnt/cdrecorder",    targ_spyd2_pld | targ_spyd_cal | targ_i1d3_edr },
+
 		{ "/media/cdrom",       targ_spyd2_pld | targ_spyd_cal | targ_i1d3_edr },
 		{ "/media/cdrecorder",  targ_spyd2_pld | targ_spyd_cal | targ_i1d3_edr },
+
 		{ "/cdrom",             targ_spyd2_pld | targ_spyd_cal | targ_i1d3_edr },
 		{ "/cdrecorder",        targ_spyd2_pld | targ_spyd_cal | targ_i1d3_edr },
 		{ NULL }
@@ -152,14 +163,14 @@ oem_target oemtargs = {
 #endif /* UNIX_X11 */
 };
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 /* Global: */
 char *oemamount_path = NULL;
 #endif 
 
 /* Cleanup function for transfer on Apple OS X */
 void oem_umiso() {
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 	if (oemamount_path != NULL) {
 		char sbuf[MAXNAMEL+1 + 100];
 		sprintf(sbuf, "umount \"%s\"",oemamount_path);
@@ -167,7 +178,7 @@ void oem_umiso() {
 		sprintf(sbuf, "rmdir \"%s\"",oemamount_path);
 		system(sbuf);
 	}
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 }
 
 static xfile *locate_volume(int verb);
@@ -561,7 +572,7 @@ static xfile *locate_volume(int verb) {
 	}
 #endif /* NT */
 
-#if defined(__APPLE__)
+#if defined(UNIX_APPLE)
 	{
 		int j;
 		char tname[MAXNAMEL+1] = { '\000' };
@@ -626,7 +637,7 @@ static xfile *locate_volume(int verb) {
 			}
 		}
 	}
-#endif /* __APPLE__ */
+#endif /* UNIX_APPLE */
 
 #if defined(UNIX_X11)
 		{
@@ -635,15 +646,49 @@ static xfile *locate_volume(int verb) {
 			/* See if we can see what we're looking for on one of the volumes */
 			/* It would be nice to be able to read the volume name ! */
 			for (j = 0;;j++) {
-				if (oemtargs.volnames[j].path == NULL)
+				char *vol, *cp;
+
+				vol = oemtargs.volnames[j].path;
+
+				if (vol == NULL)
 					break;
 				
-				if (access(oemtargs.volnames[j].path, 0) == 0) {
-					if (verb) printf("found '%s'\n",oemtargs.volnames[j].path);
-					new_add_xf(&xf, oemtargs.volnames[j].path, NULL, 0,
-					                         file_vol, oemtargs.volnames[j].ttype);
-					break;		
+				/* Some linux paths include the real user name */
+				if ((cp = strstr(vol, "$USER")) != NULL) {
+					char *ivol = vol;
+					char *usr;
+					int len;
+		
+					/* Media gets mounted as console user, */
+					/* so we need to know what that is. */
+					/* (Hmm. this solves access problem when
+					   running as root, but not saving resulting
+					   file to $HOME/.local/etc */
+					if ((usr = getenv("SUDO_USER")) == NULL) {
+						if ((usr = getenv("USER")) == NULL)
+							error("$USER is empty");
+					}
+
+					len = strlen(ivol) - 5 + strlen(usr) + 1;
+
+					if ((vol = malloc(len)) == NULL)
+						error("Malloc of volume path length %d failed",len);
+
+					strncpy(vol, ivol, cp-ivol);
+					vol[cp-ivol]= '\000';
+					strcat(vol, usr);
+					strcat(vol, cp + 5);
+				}
+
+				if (access(vol, 0) == 0) {
+					if (verb) printf("found '%s'\n",vol);
+					new_add_xf(&xf, vol, NULL, 0, file_vol, oemtargs.volnames[j].ttype);
+					if (vol != oemtargs.volnames[j].path)
+						free(vol);
+					break;
 				}
+				if (vol != oemtargs.volnames[j].path)
+					free(vol);
 			}
 		}
 #endif	/* UNIX */
@@ -1407,7 +1452,7 @@ static xfile *edr_convert(xfile **pxf, xfile *xi, int verb) {
 		char *ccssname;
 		char *edrname;
 		unsigned char *buf;
-		int len;
+		size_t len;
 		if (c->buf_write_ccss(c, &buf, &len)) {
 			error("Failed to create ccss for '%s' error '%s'",xi->name,c->err);
 		}
@@ -2622,7 +2667,8 @@ static xfile *ai_extract_cab(xfile **pxf, xfile *xi, char *tname, int verb) {
 
 	if (verb) printf("Extracted '%s' length %ld\n",xf->name,xf->len);
 
-save_xfile(xf, "temp.cab", NULL, verb);
+//	/* Save diagnostic file */
+//	save_xfile(xf, "temp.cab", NULL, verb);
 
 	return xf;
 }
diff --git a/spectro/oeminst.c b/spectro/oeminst.c
index bce7a67..726a54c 100644
--- a/spectro/oeminst.c
+++ b/spectro/oeminst.c
@@ -20,6 +20,7 @@
 #include "copyright.h"
 #include "aconfig.h"
 #include "numlib.h"
+#include "ui.h"
 #else /* SALONEINSTLIB */
 #include <fcntl.h>
 #include "sa_config.h"
@@ -33,7 +34,6 @@
 #include "disptechs.h"
 #include "ccmx.h"
 #include "ccss.h"
-#include "ui.h"
 
 void usage(void) {
 	fprintf(stderr,"Install OEM data files, Version %s\n",ARGYLL_VERSION_STR);
@@ -43,7 +43,7 @@ void usage(void) {
 	fprintf(stderr," -n                      Don't install, show where files would be installed\n");
 	fprintf(stderr," -c                      Don't install, save files to current directory\n");
 	fprintf(stderr," -S d                    Specify the install scope u = user (def.), l = local system]\n");
-	fprintf(stderr," infile                  setup.exe CD install file(s) or .dll(s) containing install files\n");
+	fprintf(stderr," infile                  Manufacturers setup.exe install file(s) or .dll(s) containing install files\n");
 	fprintf(stderr," infile.[edr|ccss|ccmx]  EDR file(s) to translate and install or CCSS or CCMX files to install\n");
 	fprintf(stderr,"                         If no file is provided, oeminst will look for the install CD.\n");
 	exit(1);
diff --git a/spectro/pollem.c b/spectro/pollem.c
index f7578c8..855702b 100644
--- a/spectro/pollem.c
+++ b/spectro/pollem.c
@@ -1,5 +1,5 @@
 
- /* Unix serial I/O class poll() emulation. */
+/* Unix serial I/O class poll() emulation. */
 
 /* 
  * Argyll Color Correction System
diff --git a/spectro/pollem.h b/spectro/pollem.h
index f8a86ee..bd879e1 100644
--- a/spectro/pollem.h
+++ b/spectro/pollem.h
@@ -1,7 +1,7 @@
 
 #ifndef POLLEN_H
 
- /* Unix serial I/O class poll() emulation. */
+/* Unix serial I/O class poll() emulation. */
 
 /* 
  * Argyll Color Correction System
diff --git a/spectro/rspec.c b/spectro/rspec.c
index e0e0194..6a7f8c7 100644
--- a/spectro/rspec.c
+++ b/spectro/rspec.c
@@ -28,6 +28,7 @@
 #include <ctype.h>
 #include <string.h>
 #include <time.h>
+#include <fcntl.h>
 #if defined(UNIX)
 # include <utime.h>
 #else
@@ -43,7 +44,9 @@
 #include "sa_config.h"
 #include "numsup.h"
 #endif /* !SALONEINSTLIB */
-#include "plot.h"
+#ifndef SALONEINSTLIB
+#  include "plot.h"
+#endif
 #include "xspect.h"
 #include "insttypes.h"
 #include "conv.h"
@@ -51,6 +54,9 @@
 #include "inst.h"
 #include "rspec.h"
 
+#define BOX_INTEGRATE	/* [und] Integrate raw samples as if they were +/-0.5 boxes */
+						/*       (This improves coeficient consistency a bit ?) */
+
 /* -------------------------------------------------- */
 #if defined(__APPLE__) && defined(__POWERPC__)
 
@@ -250,6 +256,7 @@ void del_rspec(rspec *p) {
 
 /* Plot the first rspec */
 void plot_rspec1(rspec *p) {
+#ifndef SALONEINSTLIB
 	int i, no;
 	double xx[RSPEC_MAXSAMP];
 	double yy[RSPEC_MAXSAMP];
@@ -264,10 +271,12 @@ void plot_rspec1(rspec *p) {
 		yy[i] = p->samp[0][i];
 	}
 	do_plot(xx, yy, NULL, NULL, no);
+#endif
 }
 
 /* Plot the first rspec of 2 */
 void plot_rspec2(rspec *p1, rspec *p2) {
+#ifndef SALONEINSTLIB
 	int i, no;
 	double xx[RSPEC_MAXSAMP];
 	double y1[RSPEC_MAXSAMP];
@@ -286,9 +295,11 @@ void plot_rspec2(rspec *p1, rspec *p2) {
 		y2[i] = p2->samp[0][i];
 	}
 	do_plot(xx, y1, y2, NULL, no);
+#endif
 }
 
 void plot_ecal(rspec_inf *inf) {
+#ifndef SALONEINSTLIB
 	int i, no;
 	double xx[RSPEC_MAXSAMP];
 	double yy[RSPEC_MAXSAMP];
@@ -303,6 +314,7 @@ void plot_ecal(rspec_inf *inf) {
 		yy[i] = inf->ecal[i];
 	}
 	do_plot(xx, yy, NULL, NULL, no);
+#endif
 }
 
 
@@ -710,7 +722,7 @@ void rspec_make_resample_filters(rspec_inf *inf) {
 
 	a1logd(inf->log, 4,"rspec_make_resample_filters: maxcoeffs = %d\n",maxcoeffs);
 
-	/* Figure out integration step size */
+	/* Figure out box integration step size */
 #ifdef FAST_HIGH_RES_SETUP
 	finc = twidth/50.0;
 	if (rawspace/finc < 10.0)
@@ -754,6 +766,7 @@ void rspec_make_resample_filters(rspec_inf *inf) {
 			if (fabs(w1 - cwl) > fshmax && fabs(w2 - cwl) > fshmax)
 				continue;		/* Doesn't fall into this filter */
 
+#ifdef BOX_INTEGRATE
 			/* Integrate in finc nm increments from filter shape */
 			/* using triangular integration. */
 			{
@@ -778,6 +791,9 @@ void rspec_make_resample_filters(rspec_inf *inf) {
 					lw = cw;
 				}
 			}
+#else
+			we = fabs(w2 - w1) * kernel(twidth, rwl);
+#endif
 
 			if (inf->fnocoef[j] >= maxcoeffs)
 				error("rspec_make_resample_filters: run out of high res filter space\n");
@@ -846,6 +862,7 @@ void rspec_make_resample_filters(rspec_inf *inf) {
 
 /* Plot the wave resampling filters */
 void plot_resample_filters(rspec_inf *inf) {
+#ifndef SALONEINSTLIB
 	double *xx, *ss;
 	double **yy;
 	int i, j, k, sx;
@@ -877,6 +894,7 @@ void plot_resample_filters(rspec_inf *inf) {
 	do_plot6(xx, yy[0], yy[1], yy[2], yy[3], yy[4], yy[5], inf->nraw);
 	free_dvector(xx, 0, inf->nraw-1);
 	free_dmatrix(yy, 0, 2, 0, inf->nraw-1);
+#endif 
 }
 
 /* ================================================== */
diff --git a/spectro/sa_conv.c b/spectro/sa_conv.c
new file mode 100644
index 0000000..84286ba
--- /dev/null
+++ b/spectro/sa_conv.c
@@ -0,0 +1,865 @@
+
+#ifdef SALONEINSTLIB
+
+/*
+ * A very small subset of icclib, copied to here.
+ * This is just enough to support the standalone instruments
+ */
+
+/* 
+ * Argyll Color Correction System
+ *
+ * Author: Graeme W. Gill
+ * Date:   28/9/97
+ *
+ * Copyright 1997 - 2013 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ */
+
+#include "sa_config.h"
+#include "numsup.h"
+#include "sa_conv.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+sa_XYZNumber sa_D50 = {
+    0.9642, 1.0000, 0.8249
+};
+
+sa_XYZNumber sa_D65 = {
+    0.9505, 1.0000, 1.0890
+};
+
+sa_XYZNumber sa_D50_100 = {
+    96.42, 100.00, 82.49
+};
+
+sa_XYZNumber sa_D65_100 = {
+    95.05, 100.00, 108.90
+};
+
+unsigned int sa_CSSig2nchan(icColorSpaceSignature sig) {
+	switch(sig) {
+		case icSigXYZData:
+			return 3;
+		case icSigLabData:
+			return 3;
+		case icSigLuvData:
+			return 3;
+		case icSigYCbCrData:
+			return 3;
+		case icSigYxyData:
+			return 3;
+		case icSigRgbData:
+			return 3;
+		case icSigGrayData:
+			return 1;
+		case icSigHsvData:
+			return 3;
+		case icSigHlsData:
+			return 3;
+		case icSigCmykData:
+			return 4;
+		case icSigCmyData:
+			return 3;
+		case icSig2colorData:
+			return 2;
+		case icSig3colorData:
+			return 3;
+		case icSig4colorData:
+			return 4;
+		case icSig5colorData:
+		case icSigMch5Data:
+			return 5;
+		case icSig6colorData:
+		case icSigMch6Data:
+			return 6;
+		case icSig7colorData:
+		case icSigMch7Data:
+			return 7;
+		case icSig8colorData:
+		case icSigMch8Data:
+			return 8;
+		case icSig9colorData:
+			return 9;
+		case icSig10colorData:
+			return 10;
+		case icSig11colorData:
+			return 11;
+		case icSig12colorData:
+			return 12;
+		case icSig13colorData:
+			return 13;
+		case icSig14colorData:
+			return 14;
+		case icSig15colorData:
+			return 15;
+
+#ifdef NEVER
+		/* Non-standard and Pseudo spaces */
+		case icmSigYData:
+			return 1;
+		case icmSigLData:
+			return 1;
+		case icmSigL8Data:
+			return 1;
+		case icmSigLV2Data:
+			return 1;
+		case icmSigLV4Data:
+			return 1;
+		case icmSigPCSData:
+			return 3;
+		case icmSigLab8Data:
+			return 3;
+		case icmSigLabV2Data:
+			return 3;
+		case icmSigLabV4Data:
+			return 3;
+#endif /* NEVER */
+
+		default:
+			break;
+	}
+	return 0;
+}
+
+void sa_SetUnity3x3(double mat[3][3]) {
+	int i, j;
+	for (j = 0; j < 3; j++) {
+		for (i = 0; i < 3; i++) {
+			if (i == j)
+				mat[j][i] = 1.0;
+			else
+				mat[j][i] = 0.0;
+		}
+	}
+	
+}
+
+void sa_Cpy3x3(double dst[3][3], double src[3][3]) {
+	int i, j;
+
+	for (j = 0; j < 3; j++) {
+		for (i = 0; i < 3; i++)
+			dst[j][i] = src[j][i];
+	}
+}
+
+void sa_MulBy3x3(double out[3], double mat[3][3], double in[3]) {
+	double tt[3];
+
+	tt[0] = mat[0][0] * in[0] + mat[0][1] * in[1] + mat[0][2] * in[2];
+	tt[1] = mat[1][0] * in[0] + mat[1][1] * in[1] + mat[1][2] * in[2];
+	tt[2] = mat[2][0] * in[0] + mat[2][1] * in[1] + mat[2][2] * in[2];
+
+	out[0] = tt[0];
+	out[1] = tt[1];
+	out[2] = tt[2];
+}
+
+void sa_Mul3x3_2(double dst[3][3], double src1[3][3], double src2[3][3]) {
+	int i, j, k;
+	double td[3][3];		/* Temporary dest */
+
+	for (j = 0; j < 3; j++) {
+		for (i = 0; i < 3; i++) {
+			double tt = 0.0;
+			for (k = 0; k < 3; k++)
+				tt += src1[j][k] * src2[k][i];
+			td[j][i] = tt;
+		}
+	}
+
+	/* Copy result out */
+	for (j = 0; j < 3; j++)
+		for (i = 0; i < 3; i++)
+			dst[j][i] = td[j][i];
+}
+
+
+/* Matrix Inversion by Richard Carling from "Graphics Gems", Academic Press, 1990 */
+#define det2x2(a, b, c, d) (a * d - b * c)
+
+static void adjoint(
+double out[3][3],
+double in[3][3]
+) {
+    double a1, a2, a3, b1, b2, b3, c1, c2, c3;
+
+    /* assign to individual variable names to aid  */
+    /* selecting correct values  */
+
+	a1 = in[0][0]; b1 = in[0][1]; c1 = in[0][2];
+	a2 = in[1][0]; b2 = in[1][1]; c2 = in[1][2];
+	a3 = in[2][0]; b3 = in[2][1]; c3 = in[2][2];
+
+    /* row column labeling reversed since we transpose rows & columns */
+
+    out[0][0]  =   det2x2(b2, b3, c2, c3);
+    out[1][0]  = - det2x2(a2, a3, c2, c3);
+    out[2][0]  =   det2x2(a2, a3, b2, b3);
+        
+    out[0][1]  = - det2x2(b1, b3, c1, c3);
+    out[1][1]  =   det2x2(a1, a3, c1, c3);
+    out[2][1]  = - det2x2(a1, a3, b1, b3);
+        
+    out[0][2]  =   det2x2(b1, b2, c1, c2);
+    out[1][2]  = - det2x2(a1, a2, c1, c2);
+    out[2][2]  =   det2x2(a1, a2, b1, b2);
+}
+
+static double sa_Det3x3(double in[3][3]) {
+    double a1, a2, a3, b1, b2, b3, c1, c2, c3;
+    double ans;
+
+	a1 = in[0][0]; b1 = in[0][1]; c1 = in[0][2];
+	a2 = in[1][0]; b2 = in[1][1]; c2 = in[1][2];
+	a3 = in[2][0]; b3 = in[2][1]; c3 = in[2][2];
+
+    ans = a1 * det2x2(b2, b3, c2, c3)
+        - b1 * det2x2(a2, a3, c2, c3)
+        + c1 * det2x2(a2, a3, b2, b3);
+    return ans;
+}
+
+#define SA__SMALL_NUMBER	1.e-8
+
+int sa_Inverse3x3(double out[3][3], double in[3][3]) {
+    int i, j;
+    double det;
+
+    /*  calculate the 3x3 determinant
+     *  if the determinant is zero, 
+     *  then the inverse matrix is not unique.
+     */
+    det = sa_Det3x3(in);
+
+    if ( fabs(det) < SA__SMALL_NUMBER)
+        return 1;
+
+    /* calculate the adjoint matrix */
+    adjoint(out, in);
+
+    /* scale the adjoint matrix to get the inverse */
+    for (i = 0; i < 3; i++)
+        for(j = 0; j < 3; j++)
+		    out[i][j] /= det;
+	return 0;
+}
+
+#undef SA__SMALL_NUMBER	
+#undef det2x2
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - */
+/* Transpose a 3x3 matrix */
+void sa_Transpose3x3(double out[3][3], double in[3][3]) {
+	int i, j;
+	if (out != in) {
+		for (i = 0; i < 3; i++)
+			for (j = 0; j < 3; j++)
+				out[i][j] = in[j][i];
+	} else {
+		double tt[3][3];
+		for (i = 0; i < 3; i++)
+			for (j = 0; j < 3; j++)
+				tt[i][j] = in[j][i];
+		for (i = 0; i < 3; i++)
+			for (j = 0; j < 3; j++)
+				out[i][j] = tt[i][j];
+	}
+}
+
+/* Scale a 3 vector by the given ratio */
+void sa_Scale3(double out[3], double in[3], double rat) {
+	out[0] = in[0] * rat;
+	out[1] = in[1] * rat;
+	out[2] = in[2] * rat;
+}
+
+/* Clamp a 3 vector to be +ve */
+void sa_Clamp3(double out[3], double in[3]) {
+	int i;
+	for (i = 0; i < 3; i++)
+		out[i] = in[i] < 0.0 ? 0.0 : in[i];
+}
+
+/* Return the normal Delta E given two Lab values */
+double sa_LabDE(double *Lab0, double *Lab1) {
+	double rv = 0.0, tt;
+
+	tt = Lab0[0] - Lab1[0];
+	rv += tt * tt;
+	tt = Lab0[1] - Lab1[1];
+	rv += tt * tt;
+	tt = Lab0[2] - Lab1[2];
+	rv += tt * tt;
+
+	return sqrt(rv);
+}
+
+/* Return the CIE94 Delta E color difference measure, squared */
+double sa_CIE94sq(double Lab0[3], double Lab1[3]) {
+	double desq, dhsq;
+	double dlsq, dcsq;
+	double c12;
+
+	{
+		double dl, da, db;
+		dl = Lab0[0] - Lab1[0];
+		dlsq = dl * dl;		/* dl squared */
+		da = Lab0[1] - Lab1[1];
+		db = Lab0[2] - Lab1[2];
+
+		/* Compute normal Lab delta E squared */
+		desq = dlsq + da * da + db * db;
+	}
+
+	{
+		double c1, c2, dc;
+
+		/* Compute chromanance for the two colors */
+		c1 = sqrt(Lab0[1] * Lab0[1] + Lab0[2] * Lab0[2]);
+		c2 = sqrt(Lab1[1] * Lab1[1] + Lab1[2] * Lab1[2]);
+		c12 = sqrt(c1 * c2);	/* Symetric chromanance */
+
+		/* delta chromanance squared */
+		dc = c1 - c2;
+		dcsq = dc * dc;
+	}
+
+	/* Compute delta hue squared */
+	if ((dhsq = desq - dlsq - dcsq) < 0.0)
+		dhsq = 0.0;
+	{
+		double sc, sh;
+
+		/* Weighting factors for delta chromanance & delta hue */
+		sc = 1.0 + 0.045 * c12;
+		sh = 1.0 + 0.015 * c12;
+		return dlsq + dcsq/(sc * sc) + dhsq/(sh * sh);
+	}
+}
+
+/* Return the CIE94 Delta E color difference measure */
+double sa_CIE94(double Lab0[3], double Lab1[3]) {
+	return sqrt(sa_CIE94sq(Lab0, Lab1));
+}
+
+/* Return the CIE94 Delta E color difference measure for two XYZ values */
+double sa_XYZCIE94(sa_XYZNumber *w, double *in0, double *in1) {
+	double lab0[3], lab1[3];
+
+	sa_XYZ2Lab(w, lab0, in0);
+	sa_XYZ2Lab(w, lab1, in1);
+	return sqrt(sa_CIE94sq(lab0, lab1));
+}
+
+/* CIE XYZ to perceptual CIE 1976 L*a*b* */
+void
+sa_XYZ2Lab(sa_XYZNumber *w, double *out, double *in) {
+	double X = in[0], Y = in[1], Z = in[2];
+	double x,y,z,fx,fy,fz;
+
+	x = X/w->X;
+	y = Y/w->Y;
+	z = Z/w->Z;
+
+	if (x > 0.008856451586)
+		fx = pow(x,1.0/3.0);
+	else
+		fx = 7.787036979 * x + 16.0/116.0;
+
+	if (y > 0.008856451586)
+		fy = pow(y,1.0/3.0);
+	else
+		fy = 7.787036979 * y + 16.0/116.0;
+
+	if (z > 0.008856451586)
+		fz = pow(z,1.0/3.0);
+	else
+		fz = 7.787036979 * z + 16.0/116.0;
+
+	out[0] = 116.0 * fy - 16.0;
+	out[1] = 500.0 * (fx - fy);
+	out[2] = 200.0 * (fy - fz);
+}
+
+void sa_Lab2XYZ(sa_XYZNumber *w, double *out, double *in) {
+	double L = in[0], a = in[1], b = in[2];
+	double x,y,z,fx,fy,fz;
+
+	fy = (L + 16.0)/116.0;
+	fx = a/500.0 + fy;
+	fz = fy - b/200.0;
+
+	if (fy > 24.0/116.0)
+		y = pow(fy,3.0);
+	else
+		y = (fy - 16.0/116.0)/7.787036979;
+
+	if (fx > 24.0/116.0)
+		x = pow(fx,3.0);
+	else
+		x = (fx - 16.0/116.0)/7.787036979;
+
+	if (fz > 24.0/116.0)
+		z = pow(fz,3.0);
+	else
+		z = (fz - 16.0/116.0)/7.787036979;
+
+	out[0] = x * w->X;
+	out[1] = y * w->Y;
+	out[2] = z * w->Z;
+}
+
+
+void sa_Yxy2XYZ(double *out, double *in) {
+	double Y = in[0];
+	double x = in[1];
+	double y = in[2];
+	double z = 1.0 - x - y;
+	double sum;
+	if (y < 1e-9) {
+		out[0] = out[1] = out[2] = 0.0;
+	} else {
+		sum = Y/y;
+		out[0] = x * sum;
+		out[1] = Y;
+		out[2] = z * sum;
+	}
+}
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - */
+
+/* Object for computing RFC 1321 MD5 checksums. */
+/* Derived from Colin Plumb's 1993 public domain code. */
+
+/* Reset the checksum */
+static void sa_MD5_reset(sa_MD5 *p) {
+	p->tlen = 0;
+
+	p->sum[0] = 0x67452301;
+	p->sum[1] = 0xefcdab89;
+	p->sum[2] = 0x98badcfe;
+	p->sum[3] = 0x10325476;
+
+	p->fin = 0;
+}
+
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) F1(z, x, y)
+#define F3(x, y, z) (x ^ y ^ z)
+#define F4(x, y, z) (y ^ (x | ~z))
+
+#define MD5STEP(f, w, x, y, z, pp, xtra, s) \
+		data = (pp)[0] + ((pp)[3] << 24) + ((pp)[2] << 16) + ((pp)[1] << 8); \
+		w += f(x, y, z) + data + xtra; \
+		w = (w << s) | (w >> (32-s)); \
+		w += x;
+
+/* Add another 64 bytes to the checksum */
+static void sa_MD5_accume(sa_MD5 *p, ORD8 *in) {
+	ORD32 data, a, b, c, d;
+
+	a = p->sum[0];
+	b = p->sum[1];
+	c = p->sum[2];
+	d = p->sum[3];
+
+	MD5STEP(F1, a, b, c, d, in + (4 * 0),  0xd76aa478, 7);
+	MD5STEP(F1, d, a, b, c, in + (4 * 1),  0xe8c7b756, 12);
+	MD5STEP(F1, c, d, a, b, in + (4 * 2),  0x242070db, 17);
+	MD5STEP(F1, b, c, d, a, in + (4 * 3),  0xc1bdceee, 22);
+	MD5STEP(F1, a, b, c, d, in + (4 * 4),  0xf57c0faf, 7);
+	MD5STEP(F1, d, a, b, c, in + (4 * 5),  0x4787c62a, 12);
+	MD5STEP(F1, c, d, a, b, in + (4 * 6),  0xa8304613, 17);
+	MD5STEP(F1, b, c, d, a, in + (4 * 7),  0xfd469501, 22);
+	MD5STEP(F1, a, b, c, d, in + (4 * 8),  0x698098d8, 7);
+	MD5STEP(F1, d, a, b, c, in + (4 * 9),  0x8b44f7af, 12);
+	MD5STEP(F1, c, d, a, b, in + (4 * 10), 0xffff5bb1, 17);
+	MD5STEP(F1, b, c, d, a, in + (4 * 11), 0x895cd7be, 22);
+	MD5STEP(F1, a, b, c, d, in + (4 * 12), 0x6b901122, 7);
+	MD5STEP(F1, d, a, b, c, in + (4 * 13), 0xfd987193, 12);
+	MD5STEP(F1, c, d, a, b, in + (4 * 14), 0xa679438e, 17);
+	MD5STEP(F1, b, c, d, a, in + (4 * 15), 0x49b40821, 22);
+
+	MD5STEP(F2, a, b, c, d, in + (4 * 1),  0xf61e2562, 5);
+	MD5STEP(F2, d, a, b, c, in + (4 * 6),  0xc040b340, 9);
+	MD5STEP(F2, c, d, a, b, in + (4 * 11), 0x265e5a51, 14);
+	MD5STEP(F2, b, c, d, a, in + (4 * 0),  0xe9b6c7aa, 20);
+	MD5STEP(F2, a, b, c, d, in + (4 * 5),  0xd62f105d, 5);
+	MD5STEP(F2, d, a, b, c, in + (4 * 10), 0x02441453, 9);
+	MD5STEP(F2, c, d, a, b, in + (4 * 15), 0xd8a1e681, 14);
+	MD5STEP(F2, b, c, d, a, in + (4 * 4),  0xe7d3fbc8, 20);
+	MD5STEP(F2, a, b, c, d, in + (4 * 9),  0x21e1cde6, 5);
+	MD5STEP(F2, d, a, b, c, in + (4 * 14), 0xc33707d6, 9);
+	MD5STEP(F2, c, d, a, b, in + (4 * 3),  0xf4d50d87, 14);
+	MD5STEP(F2, b, c, d, a, in + (4 * 8),  0x455a14ed, 20);
+	MD5STEP(F2, a, b, c, d, in + (4 * 13), 0xa9e3e905, 5);
+	MD5STEP(F2, d, a, b, c, in + (4 * 2),  0xfcefa3f8, 9);
+	MD5STEP(F2, c, d, a, b, in + (4 * 7),  0x676f02d9, 14);
+	MD5STEP(F2, b, c, d, a, in + (4 * 12), 0x8d2a4c8a, 20);
+
+	MD5STEP(F3, a, b, c, d, in + (4 * 5),  0xfffa3942, 4);
+	MD5STEP(F3, d, a, b, c, in + (4 * 8),  0x8771f681, 11);
+	MD5STEP(F3, c, d, a, b, in + (4 * 11), 0x6d9d6122, 16);
+	MD5STEP(F3, b, c, d, a, in + (4 * 14), 0xfde5380c, 23);
+	MD5STEP(F3, a, b, c, d, in + (4 * 1),  0xa4beea44, 4);
+	MD5STEP(F3, d, a, b, c, in + (4 * 4),  0x4bdecfa9, 11);
+	MD5STEP(F3, c, d, a, b, in + (4 * 7),  0xf6bb4b60, 16);
+	MD5STEP(F3, b, c, d, a, in + (4 * 10), 0xbebfbc70, 23);
+	MD5STEP(F3, a, b, c, d, in + (4 * 13), 0x289b7ec6, 4);
+	MD5STEP(F3, d, a, b, c, in + (4 * 0),  0xeaa127fa, 11);
+	MD5STEP(F3, c, d, a, b, in + (4 * 3),  0xd4ef3085, 16);
+	MD5STEP(F3, b, c, d, a, in + (4 * 6),  0x04881d05, 23);
+	MD5STEP(F3, a, b, c, d, in + (4 * 9),  0xd9d4d039, 4);
+	MD5STEP(F3, d, a, b, c, in + (4 * 12), 0xe6db99e5, 11);
+	MD5STEP(F3, c, d, a, b, in + (4 * 15), 0x1fa27cf8, 16);
+	MD5STEP(F3, b, c, d, a, in + (4 * 2),  0xc4ac5665, 23);
+
+	MD5STEP(F4, a, b, c, d, in + (4 * 0),  0xf4292244, 6);
+	MD5STEP(F4, d, a, b, c, in + (4 * 7),  0x432aff97, 10);
+	MD5STEP(F4, c, d, a, b, in + (4 * 14), 0xab9423a7, 15);
+	MD5STEP(F4, b, c, d, a, in + (4 * 5),  0xfc93a039, 21);
+	MD5STEP(F4, a, b, c, d, in + (4 * 12), 0x655b59c3, 6);
+	MD5STEP(F4, d, a, b, c, in + (4 * 3),  0x8f0ccc92, 10);
+	MD5STEP(F4, c, d, a, b, in + (4 * 10), 0xffeff47d, 15);
+	MD5STEP(F4, b, c, d, a, in + (4 * 1),  0x85845dd1, 21);
+	MD5STEP(F4, a, b, c, d, in + (4 * 8),  0x6fa87e4f, 6);
+	MD5STEP(F4, d, a, b, c, in + (4 * 15), 0xfe2ce6e0, 10);
+	MD5STEP(F4, c, d, a, b, in + (4 * 6),  0xa3014314, 15);
+	MD5STEP(F4, b, c, d, a, in + (4 * 13), 0x4e0811a1, 21);
+	MD5STEP(F4, a, b, c, d, in + (4 * 4),  0xf7537e82, 6);
+	MD5STEP(F4, d, a, b, c, in + (4 * 11), 0xbd3af235, 10);
+	MD5STEP(F4, c, d, a, b, in + (4 * 2),  0x2ad7d2bb, 15);
+	MD5STEP(F4, b, c, d, a, in + (4 * 9),  0xeb86d391, 21);
+
+	p->sum[0] += a;
+	p->sum[1] += b;
+	p->sum[2] += c;
+	p->sum[3] += d;
+}
+
+#undef F1
+#undef F2
+#undef F3
+#undef F4
+#undef MD5STEP
+
+/* Add some bytes */
+static void sa_MD5_add(sa_MD5 *p, ORD8 *ibuf, unsigned int len) {
+	unsigned int bs;
+
+	if (p->fin)
+		return;				/* This is actually an error */
+
+	bs = p->tlen;			/* Current bytes added */
+	p->tlen = bs + len;		/* Update length after adding this buffer */
+	bs &= 0x3f;				/* Bytes already in buffer */
+
+	/* Deal with any existing partial bytes in p->buf */
+	if (bs) {
+		ORD8 *np = (ORD8 *)p->buf + bs;	/* Next free location in partial buffer */
+
+		bs = 64 - bs;		/* Free space in partial buffer */
+
+		if (len < bs) {		/* Not enought new to make a full buffer */
+			memmove(np, ibuf, len);
+			return;
+		}
+
+		memmove(np, ibuf, bs);	/* Now got one full buffer */
+		sa_MD5_accume(p, np);
+		ibuf += bs;
+		len -= bs;
+	}
+
+	/* Deal with input data 64 bytes at a time */
+	while (len >= 64) {
+		sa_MD5_accume(p, ibuf);
+		ibuf += 64;
+		len -= 64;
+	}
+
+	/* Deal with any remaining bytes */
+	memmove(p->buf, ibuf, len);
+}
+
+/* Finalise the checksum and return the result. */
+static void sa_MD5_get(sa_MD5 *p, ORD8 chsum[16]) {
+	int i;
+	unsigned count;
+	ORD32 bits1, bits0;
+	ORD8 *pp;
+
+	if (p->fin == 0) {
+	
+		/* Compute number of bytes processed mod 64 */
+		count = p->tlen & 0x3f;
+
+		/* Set the first char of padding to 0x80.  This is safe since there is
+		   always at least one byte free */
+		pp = p->buf + count;
+		*pp++ = 0x80;
+
+		/* Bytes of padding needed to make 64 bytes */
+		count = 64 - 1 - count;
+
+		/* Pad out to 56 mod 64, allowing 8 bytes for length in bits. */
+		if (count < 8) {	/* Not enough space for padding and length */
+
+			memset(pp, 0, count);
+			sa_MD5_accume(p, p->buf);
+
+			/* Now fill the next block with 56 bytes */
+			memset(p->buf, 0, 56);
+		} else {
+			/* Pad block to 56 bytes */
+			memset(pp, 0, count - 8);
+		}
+
+		/* Compute number of bits */
+		bits1 = 0x7 & (p->tlen >> (32 - 3)); 
+		bits0 = p->tlen << 3;
+
+		/* Append number of bits */
+		p->buf[64 - 8] = bits0 & 0xff; 
+		p->buf[64 - 7] = (bits0 >> 8) & 0xff; 
+		p->buf[64 - 6] = (bits0 >> 16) & 0xff; 
+		p->buf[64 - 5] = (bits0 >> 24) & 0xff; 
+		p->buf[64 - 4] = bits1 & 0xff; 
+		p->buf[64 - 3] = (bits1 >> 8) & 0xff; 
+		p->buf[64 - 2] = (bits1 >> 16) & 0xff; 
+		p->buf[64 - 1] = (bits1 >> 24) & 0xff; 
+
+		sa_MD5_accume(p, p->buf);
+
+		p->fin = 1;
+	}
+
+	/* Return the result, lsb to msb */
+	pp = chsum;
+	for (i = 0; i < 4; i++) {
+		*pp++ = p->sum[i] & 0xff; 
+		*pp++ = (p->sum[i] >> 8) & 0xff; 
+		*pp++ = (p->sum[i] >> 16) & 0xff; 
+		*pp++ = (p->sum[i] >> 24) & 0xff; 
+	}
+}
+
+
+/* Delete the instance */
+static void sa_MD5_del(sa_MD5 *p) {
+
+	/* This object */
+	if (p != NULL)
+		free(p);
+}
+
+/* Create a new MD5 checksumming object, with a reset checksum value */
+/* Return it or NULL if there is an error */
+sa_MD5 *new_sa_MD5() {
+	sa_MD5 *p;
+
+	if ((p = (sa_MD5 *)calloc(1,sizeof(sa_MD5))) == NULL)
+		return NULL;
+
+	p->reset    = sa_MD5_reset;
+	p->add      = sa_MD5_add;
+	p->get      = sa_MD5_get;
+	p->del      = sa_MD5_del;
+
+	p->reset(p);
+
+	return p;
+}
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - */
+/* A sub-set of ludecomp code from numlib          */
+
+int sa_lu_decomp(double **a, int n, int *pivx, double *rip) {
+	int    i, j;
+	double *rscale, RSCALE[10];		
+
+	if (n <= 10)
+		rscale = RSCALE;
+	else
+		rscale = dvector(0, n-1);
+
+	for (i = 0; i < n; i++) {
+		double big;
+		for (big = 0.0, j=0; j < n; j++) {
+			double temp;
+			temp = fabs(a[i][j]);
+			if (temp > big)
+				big = temp;
+		}
+		if (fabs(big) <= DBL_MIN) {
+			if (rscale != RSCALE)
+				free_dvector(rscale, 0, n-1);
+			return 1;		
+		}
+		rscale[i] = 1.0/big;	
+	}
+
+	for (*rip = 1.0, j = 0; j < n; j++) {
+		double big;
+		int k, bigi = 0;
+
+		for (i = 0; i < j; i++) {
+			double sum;
+			sum = a[i][j];
+			for (k = 0; k < i; k++)
+				sum -= a[i][k] * a[k][j];
+			a[i][j] = sum;
+		}
+
+		for (big = 0.0, i = j; i < n; i++) {
+			double sum, temp;
+			sum = a[i][j];
+			for (k = 0; k < j; k++)
+				sum -= a[i][k] * a[k][j];
+			a[i][j] = sum;
+			temp = rscale[i] * fabs(sum);	
+			if (temp >= big) {
+				big = temp;		
+				bigi = i;		
+			}
+		}
+		
+		if (j != bigi) {
+			{	
+				double *temp;
+				temp = a[bigi];
+				a[bigi] = a[j];
+				a[j] = temp;
+			}
+			*rip = -(*rip);				
+			rscale[bigi] = rscale[j];	
+		}
+		
+		pivx[j] = bigi;					
+		if (fabs(a[j][j]) <= DBL_MIN) {
+			if (rscale != RSCALE)
+				free_dvector(rscale, 0, n-1);
+			return 1; 					
+		}
+
+		if (j != (n-1)) {
+			double temp;
+			temp = 1.0/a[j][j];
+			for (i = j+1; i < n; i++)
+				a[i][j] *= temp;
+		}
+	}
+	if (rscale != RSCALE)
+		free_dvector(rscale, 0, n-1);
+	return 0;
+}
+
+void sa_lu_backsub(double **a, int n, int *pivx, double  *b) {
+	int i, j;
+	int nvi;		
+	
+	for (nvi = -1, i = 0; i < n; i++) {
+		int px;
+		double sum;
+
+		px = pivx[i];
+		sum = b[px];
+		b[px] = b[i];
+		if (nvi >= 0) {
+			for (j = nvi; j < i; j++)
+				sum -= a[i][j] * b[j];
+		} else {
+			if (sum != 0.0)
+				nvi = i;			
+		}
+		b[i] = sum;
+	}
+
+	for (i = (n-1); i >= 0; i--) {
+		double sum;
+		sum = b[i];
+		for (j = i+1; j < n; j++)
+			sum -= a[i][j] * b[j];
+		b[i] = sum/a[i][i];
+	}
+}
+
+int sa_lu_invert(double **a, int n) {
+	int i, j;
+	double rip;		
+	int *pivx, PIVX[10];
+	double **y;
+
+	if (n <= 10)
+		pivx = PIVX;
+	else
+		pivx = ivector(0, n-1);
+
+	if (sa_lu_decomp(a, n, pivx, &rip)) {
+		if (pivx != PIVX)
+			free_ivector(pivx, 0, n-1);
+		return 1;
+	}
+
+	y = dmatrix(0, n-1, 0, n-1);
+	for (i = 0; i < n; i++) {
+		for (j = 0; j < n; j++) {
+			y[i][j] = a[i][j];
+		}
+	}
+
+	for (i = 0; i < n; i++) {
+		for (j = 0; j < n; j++)
+			a[i][j] = 0.0;
+		a[i][i] = 1.0;
+		sa_lu_backsub(y, n, pivx, a[i]);
+	}
+
+	free_dmatrix(y, 0, n-1, 0, n-1);
+	if (pivx != PIVX)
+		free_ivector(pivx, 0, n-1);
+
+	return 0;
+}
+
+int sa_lu_psinvert(double **out, double **in, int m, int n) {
+	int rv = 0;
+	double **tr;		
+	double **sq;		
+
+	tr = dmatrix(0, n-1, 0, m-1);
+	matrix_trans(tr, in, m,  n);
+
+	if (m > n) {
+		sq = dmatrix(0, n-1, 0, n-1);
+		if ((rv = matrix_mult(sq, n, n, tr, n, m, in, m, n)) == 0) {
+			if ((rv = sa_lu_invert(sq, n)) == 0) {
+				rv = matrix_mult(out, n, m, sq, n, n, tr, n, m);
+			}
+		}
+		free_dmatrix(sq, 0, n-1, 0, n-1);
+	} else {
+		sq = dmatrix(0, m-1, 0, m-1);
+		if ((rv = matrix_mult(sq, m, m, in, m, n, tr, n, m)) == 0) {
+			if ((rv = sa_lu_invert(sq, m)) == 0) {
+				rv = matrix_mult(out, n, m, tr, n, m, sq, m, m);
+			}
+		}
+		free_dmatrix(sq, 0, m-1, 0, m-1);
+	}
+
+	free_dmatrix(tr, 0, n-1, 0, m-1);
+	return rv;
+}
+
+
+#endif /* SALONEINSTLIB */
+
+
diff --git a/spectro/sa_conv.h b/spectro/sa_conv.h
new file mode 100644
index 0000000..0f7e635
--- /dev/null
+++ b/spectro/sa_conv.h
@@ -0,0 +1,233 @@
+#ifndef SA_CONV_H
+
+#ifdef SALONEINSTLIB
+/*
+ * A very small subset of icclib and numlib for the standalone instrument lib.
+ */
+
+/* 
+ * Argyll Color Correction System
+ *
+ * Author: Graeme W. Gill
+ * Date:   2008/2/9
+ *
+ * Copyright 1996 - 2013 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ * 
+ * Derived from icoms.h
+ */
+
+#if defined (NT)
+# if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0501
+#  if defined _WIN32_WINNT
+#   undef _WIN32_WINNT
+#  endif
+#  define _WIN32_WINNT 0x0501
+# endif
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+# include <io.h>
+#endif
+
+#if defined (UNIX)
+# include <unistd.h>
+# include <glob.h>
+# include <pthread.h>
+#endif
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - */
+/* A subset of icclib */
+
+#ifndef MAX_CHAN
+# define MAX_CHAN 15
+#endif
+
+typedef enum {
+    sa_SigXYZData                        = 0x58595A20L,  /* 'XYZ ' */
+    sa_SigLabData                        = 0x4C616220L,  /* 'Lab ' */
+    sa_SigLuvData                        = 0x4C757620L,  /* 'Luv ' */
+    sa_SigYCbCrData                      = 0x59436272L,  /* 'YCbr' */
+    sa_SigYxyData                        = 0x59787920L,  /* 'Yxy ' */
+    sa_SigRgbData                        = 0x52474220L,  /* 'RGB ' */
+    sa_SigGrayData                       = 0x47524159L,  /* 'GRAY' */
+    sa_SigHsvData                        = 0x48535620L,  /* 'HSV ' */
+    sa_SigHlsData                        = 0x484C5320L,  /* 'HLS ' */
+    sa_SigCmykData                       = 0x434D594BL,  /* 'CMYK' */
+    sa_SigCmyData                        = 0x434D5920L,  /* 'CMY ' */
+
+    sa_Sig2colorData                     = 0x32434C52L,  /* '2CLR' */
+    sa_Sig3colorData                     = 0x33434C52L,  /* '3CLR' */
+    sa_Sig4colorData                     = 0x34434C52L,  /* '4CLR' */
+    sa_Sig5colorData                     = 0x35434C52L,  /* '5CLR' */
+    sa_Sig6colorData                     = 0x36434C52L,  /* '6CLR' */
+    sa_Sig7colorData                     = 0x37434C52L,  /* '7CLR' */
+    sa_Sig8colorData                     = 0x38434C52L,  /* '8CLR' */
+    sa_Sig9colorData                     = 0x39434C52L,  /* '9CLR' */
+    sa_Sig10colorData                    = 0x41434C52L,  /* 'ACLR' */
+    sa_Sig11colorData                    = 0x42434C52L,  /* 'BCLR' */
+    sa_Sig12colorData                    = 0x43434C52L,  /* 'CCLR' */
+    sa_Sig13colorData                    = 0x44434C52L,  /* 'DCLR' */
+    sa_Sig14colorData                    = 0x45434C52L,  /* 'ECLR' */
+    sa_Sig15colorData                    = 0x46434C52L,  /* 'FCLR' */
+
+    sa_SigMch5Data                       = 0x4D434835L,  /* 'MCH5' Colorsync ? */
+    sa_SigMch6Data                       = 0x4D434836L,  /* 'MCH6' Hexachrome: CMYKOG */
+    sa_SigMch7Data                       = 0x4D434837L,  /* 'MCH7' Colorsync ? */
+    sa_SigMch8Data                       = 0x4D434838L,  /* 'MCH8' Colorsync ? */
+	sa_SigNamedData                      = 0x6e6d636cL,  /* 'nmcl' ??? */
+
+    sa_MaxEnumData                       = -1   
+} sa_ColorSpaceSignature;
+
+typedef enum {
+    sa_SigInputClass                     = 0x73636E72L,  /* 'scnr' */
+    sa_SigDisplayClass                   = 0x6D6E7472L,  /* 'mntr' */
+    sa_SigOutputClass                    = 0x70727472L,  /* 'prtr' */
+    sa_SigLinkClass                      = 0x6C696E6BL,  /* 'link' */
+    sa_SigAbstractClass                  = 0x61627374L,  /* 'abst' */
+    sa_SigColorSpaceClass                = 0x73706163L,  /* 'spac' */
+    sa_SigNamedColorClass                = 0x6e6d636cL,  /* 'nmcl' */
+    sa_MaxEnumClass                      = -1
+} sa_ProfileClassSignature;
+
+typedef struct {
+    double  X;
+    double  Y;
+    double  Z;
+} sa_XYZNumber;
+
+unsigned int sa_CSSig2nchan(sa_ColorSpaceSignature sig);
+extern sa_XYZNumber sa_D50;
+extern sa_XYZNumber sa_D65;
+extern sa_XYZNumber sa_D50_100;
+extern sa_XYZNumber sa_D65_100;
+void sa_SetUnity3x3(double mat[3][3]);
+void sa_Cpy3x3(double out[3][3], double mat[3][3]);
+void sa_MulBy3x3(double out[3], double mat[3][3], double in[3]);
+void sa_Mul3x3_2(double dst[3][3], double src1[3][3], double src2[3][3]);
+int sa_Inverse3x3(double out[3][3], double in[3][3]);
+void sa_Transpose3x3(double out[3][3], double in[3][3]);
+void sa_Scale3(double out[3], double in[3], double rat);
+double sa_LabDE(double *in0, double *in1);
+double sa_CIE94sq(double *in0, double *in1);
+void sa_Lab2XYZ(sa_XYZNumber *w, double *out, double *in);
+void sa_XYZ2Lab(sa_XYZNumber *w, double *out, double *in);
+void sa_Yxy2XYZ(double *out, double *in);
+
+#define icColorSpaceSignature sa_ColorSpaceSignature
+#define icSigXYZData sa_SigXYZData
+#define icSigLabData sa_SigLabData
+#define icSigLuvData sa_SigLuvData
+#define icSigYCbCrData sa_SigYCbCrData
+#define icSigYxyData sa_SigYxyData 
+#define icSigRgbData sa_SigRgbData
+#define icSigGrayData sa_SigGrayData
+#define icSigHsvData sa_SigHsvData
+#define icSigHlsData sa_SigHlsData
+#define icSigCmykData sa_SigCmykData
+#define icSigCmyData sa_SigCmyData
+#define icSig2colorData sa_Sig2colorData
+#define icSig3colorData sa_Sig3colorData
+#define icSig4colorData sa_Sig4colorData
+#define icSig5colorData sa_Sig5colorData
+#define icSig6colorData sa_Sig6colorData
+#define icSig7colorData sa_Sig7colorData
+#define icSig8colorData sa_Sig8colorData
+#define icSig9colorData sa_Sig9colorData
+#define icSig10colorData sa_Sig10colorData
+#define icSig11colorData sa_Sig11colorData
+#define icSig12colorData sa_Sig12colorData
+#define icSig13colorData sa_Sig13colorData
+#define icSig14colorData sa_Sig14colorData
+#define icSig15colorData sa_Sig15colorData
+#define icSigMch5Data sa_SigMch5Data
+#define icSigMch6Data sa_SigMch6Data
+#define icSigMch7Data sa_SigMch7Data
+#define icSigMch8Data sa_SigMch8Data
+#define icSigNamedData sa_SigNamedData
+#define icMaxEnumData sa_MaxEnumData
+
+#define icProfileClassSignature sa_ProfileClassSignature
+#define icSigInputClass sa_SigInputClass
+#define icSigDisplayClass sa_SigDisplayClass
+#define icSigOutputClass sa_SigOutputClass
+#define icSigLinkClass sa_SigLinkClass
+#define icSigAbstractClass sa_SigAbstractClass
+#define icSigColorSpaceClass sa_SigColorSpaceClass
+#define icSigNamedColorClass sa_SigNamedColorClass
+
+#define icmCSSig2nchan sa_CSSig2nchan
+
+#define icmXYZNumber sa_XYZNumber
+#define icmD50 sa_D50
+#define icmD65 sa_D65
+#define icmD50_100 sa_D50_100
+#define icmD65_100 sa_D65_100
+
+#define icmSetUnity3x3 sa_SetUnity3x3
+#define icmCpy3x3 sa_Cpy3x3
+#define icmMulBy3x3 sa_MulBy3x3
+#define icmMul3x3_2 sa_Mul3x3_2
+#define icmInverse3x3 sa_Inverse3x3
+#define icmTranspose3x3 sa_Transpose3x3
+
+#define icmCpy3(d_ary, s_ary) ((d_ary)[0] = (s_ary)[0], (d_ary)[1] = (s_ary)[1], \
+                              (d_ary)[2] = (s_ary)[2])
+#define icmScale3 sa_Scale3
+#define icmClamp3 sa_Clamp3
+
+#define icmAry2XYZ(xyz, ary) ((xyz).X = (ary)[0], (xyz).Y = (ary)[1], (xyz).Z = (ary)[2])
+
+#define icmLabDE sa_LabDE
+#define icmCIE94sq sa_CIE94sq
+#define icmXYZ2Lab sa_XYZ2Lab
+#define icmLab2XYZ sa_Lab2XYZ
+#define icmYxy2XYZ sa_Yxy2XYZ
+
+/* A helper object that computes MD5 checksums */
+struct _sa_MD5 {
+  /* Private: */
+	int fin;				/* Flag, nz if final has been called */
+	ORD32 sum[4];			/* Current/final checksum */
+	unsigned int tlen;		/* Total length added in bytes */
+	ORD8 buf[64];			/* Partial buffer */
+
+  /* Public: */
+	void (*reset)(struct _sa_MD5 *p);	/* Reset the checksum */
+	void (*add)(struct _sa_MD5 *p, ORD8 *buf, unsigned int len);	/* Add some bytes */
+	void (*get)(struct _sa_MD5 *p, ORD8 chsum[16]);		/* Finalise and get the checksum */
+	void (*del)(struct _sa_MD5 *p);		/* We're done with the object */
+
+}; typedef struct _sa_MD5 sa_MD5;
+
+/* Create a new MD5 checksumming object, with a reset checksum value */
+/* Return it or NULL if there is an error. */
+extern sa_MD5 *new_sa_MD5(void);
+
+#define icmMD5 sa_MD5
+#define new_icmMD5 new_sa_MD5
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - */
+/* A subset of numlib */
+
+int sa_lu_psinvert(double **out, double **in, int m, int n);
+
+#define lu_psinvert sa_lu_psinvert
+
+/* - - - - - - - - - - - - - - - - - - - - - - - - - - */
+
+#ifdef __cplusplus
+	}
+#endif
+
+#endif /* SALONEINSTLIB */
+
+#define SA_CONV_H
+#endif /* SA_CONV_H */
diff --git a/spectro/smcube.c b/spectro/smcube.c
index 8a788ec..c450d48 100644
--- a/spectro/smcube.c
+++ b/spectro/smcube.c
@@ -68,9 +68,10 @@
 #include "copyright.h"
 #include "aconfig.h"
 #include "numlib.h"
-#else	/* !SALONEINSTLIB */
+#else	/* SALONEINSTLIB */
 #include "sa_config.h"
 #include "numsup.h"
+#include "sa_conv.h"
 #endif /* !SALONEINSTLIB */
 #include "xspect.h"
 #include "insttypes.h"
@@ -210,12 +211,13 @@ smcube_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	a1logd(p->log, 2, "smcube_init_coms: About to init Serial I/O\n");
 
 
-	if (p->icom->port_type(p->icom) != icomt_serial
-	 && p->icom->port_type(p->icom) != icomt_usbserial) {
-		a1logd(p->log, 1, "smcube_init_coms: wrong communications type for device!\n");
+	if (!(p->icom->dctype & icomt_seriallike)
+	 && !(p->icom->dctype & icomt_fastserial)) {
+		a1logd(p->log, 1, "smcube_init_coms: wrong communications type for device! (dctype 0x%x)\n",p->icom->dctype);
 		return inst_coms_fail;
 	}
 	
+	/* Communications has already been established */
 	if (p->bt) {
 		amutex_lock(p->lock);
 
@@ -234,8 +236,8 @@ smcube_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		}
 		amutex_unlock(p->lock);
 
+	/* We need to setup communications */
 	} else {
-
 		amutex_lock(p->lock);
 
 		/* The tick to give up on */
@@ -248,7 +250,8 @@ smcube_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			if (brt[i] == baud_nc) {
 				i = 0;
 			}
-			a1logd(p->log, 5, "smcube_init_coms: trying %s baud\n",baud_rate_to_str(brt[i]));
+			a1logd(p->log, 4, "smcube_init_coms: Trying %s baud, %d msec to go\n",
+				                      baud_rate_to_str(brt[i]), etime- msec_time());
 			if ((se = p->icom->set_ser_port(p->icom, fc_Hardware, brt[i], parity_none,
 				                         stop_1, length_8)) != ICOM_OK) { 
 				amutex_unlock(p->lock);
@@ -260,7 +263,7 @@ smcube_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			buf[0] = 0x7e, buf[1] = 0x00, buf[2] = 0x02, buf[3] = 0x00; /* Ping command */
 			if (((ev = smcube_command(p, buf, 4, buf, 4, DEFTO)) & inst_mask)
 				                                                       != inst_coms_fail) {
-				break;		/* We've got coms or user abort */
+				goto got_coms;		/* We've got coms or user abort */
 			}
 	
 			/* Check for user abort */
@@ -274,11 +277,12 @@ smcube_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			}
 		}
 	
-		if (msec_time() >= etime) {		/* We haven't established comms */
-			amutex_unlock(p->lock);
-			a1logd(p->log, 2, "smcube_init_coms: failed to establish coms\n");
-			return inst_coms_fail;
-		}
+		/* We haven't established comms */
+		amutex_unlock(p->lock);
+		a1logd(p->log, 2, "smcube_init_coms: failed to establish coms\n");
+		return inst_coms_fail;
+
+	  got_coms:;
 	
 		/* Check the response */
 		if (buf[0] != 0x7e || buf[1] != 0x20 || buf[2] != 0x02 || buf[3] != 0x00) {
@@ -609,6 +613,7 @@ inst_code smcube_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	smcube *p = (smcube *)pp;
@@ -621,6 +626,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*id = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = smcube_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -1056,8 +1062,7 @@ static void set_optcalibs_default(smcube *p) {
  * error if it hasn't been initialised.
  */
 static inst_code
-smcube_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+smcube_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	smcube *p = (smcube *)pp;
 	inst_code ev = inst_ok;
 
@@ -1114,13 +1119,17 @@ smcube_get_set_opt(inst *pp, inst_opt_type m, ...)
 		return inst_ok;
 	}
 
-	/* Get/Sets that require instrument coms. */
-	if (!p->gotcoms)
-		return inst_no_coms;
-	if (!p->inited)
-		return inst_no_init;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
 
-	return inst_unsupported;
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/smcube.h b/spectro/smcube.h
index 7283635..06aee9d 100644
--- a/spectro/smcube.h
+++ b/spectro/smcube.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Fake Error codes */
 #define SMCUBE_INTERNAL_ERROR			0xff01		/* Internal software error */
 #define SMCUBE_TIMEOUT				    0xff02		/* Communication timeout */
@@ -67,7 +71,7 @@
 struct _smcube {
 	INST_OBJ_BASE
 
-	int bt;						/* Bluetooth coms rather than USB/serial */
+	int bt;						/* Bluetooth coms rather than USB/serial flag */
 
 	amutex lock;				/* Command lock */
 
@@ -114,6 +118,9 @@ struct _smcube {
 /* Constructor */
 extern smcube *new_smcube(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define SMCUBE_H
 #endif /* SMCUBE_H */
diff --git a/spectro/spec2cie.c b/spectro/spec2cie.c
index 322ab05..d77c334 100644
--- a/spectro/spec2cie.c
+++ b/spectro/spec2cie.c
@@ -1,7 +1,7 @@
 
 /*
  * Argyll Color Correction System
- * Spectral .ti3 file converter
+ * Spectral .ti3 or .sp file converter
  *
  * Copyright 2005 Gerhard Fuernkranz
  * All rights reserved.
@@ -26,17 +26,17 @@
  * under the GNU GENERAL PUBLIC LICENSE Version 3 :-
  * see the License.txt file for licencing details.
  *
- * This program takes the spectral data in a .ti3 file, converts them
+ * This program takes the spectral data in a .ti3 or .sp file, converts them
  * to XYZ and Lab and fills the XYZ_[XYZ] and LAB_[LAB] columns in the
- * output .ti3 file with the computed XYZ and Lab values. If the columns
+ * output .ti3 or .sp file with the computed XYZ and Lab values. If the columns
  * XYZ_[XYZ] and/or LAB_[LAB] are missing in the input file, they are
  * added to the output file.
  *
- * All other colums are copied from the input to the output .ti3 file.
+ * All other colums are copied from the input to the output .ti3 or .sp file.
  *
  * If the -f option is used, the FWA corrected spectral reflectances
- * are written to the output .ti3 file, instead of simply copying the
- * spectral reflectances from the input .ti3 file. In this case, the
+ * are written to the output .ti3 or .sp file, instead of simply copying the
+ * spectral reflectances from the input .ti3 or .sp file. In this case, the
  * XYZ_[XYZ] and D50 LAB_[LAB] values are computed from the FWA corrected
  * reflectances as well.
  */
@@ -50,10 +50,11 @@
 
 	Calibration tables aren't being passed through either ??
 
-	L*a*b* is always D50.
-
     This is intended for conversion of reflective measurements to XYZ -
 	there is no illuminant for emissive values.
+
+	L*a*b* is always D50.
+
  */
 
 #define ALLOW_PLOT
@@ -74,33 +75,33 @@
 #include "inst.h"
 #ifdef ALLOW_PLOT
 #include "plot.h"
-#endif
 #include "ui.h"
+#endif
 
 
 void
 usage (void)
 {
-	fprintf (stderr, "Convert spectral .ti3 file, Version %s\n", ARGYLL_VERSION_STR);
+	fprintf (stderr, "Convert spectral .ti3 or .sp file, Version %s\n", ARGYLL_VERSION_STR);
 	fprintf (stderr, "Author: Gerhard Fuernkranz, licensed under the AGPL Version 3\n");
 	fprintf (stderr, "\n");
-	fprintf (stderr, "Usage: spec2cie [options] input.ti3 output.ti3\n");
-	fprintf (stderr, " -v          Verbose mode\n");
-	fprintf (stderr, " -I illum    Override actual instrument illuminant in .ti3 file:\n");
-	fprintf (stderr, "              A, C, D50, D50M2, D65, F5, F8, F10 or file.sp\n");
-	fprintf (stderr, "              (only used in conjunction with -f)\n");
-	fprintf (stderr, " -f [illum]  Use Fluorescent Whitening Agent compensation [simulated inst. illum.:\n");
-	fprintf (stderr, "              M0, M1, M2, A, C, D50 (def.), D50M2, D65, F5, F8, F10 or file.sp]\n");
-	fprintf (stderr, " -i illum    Choose illuminant for computation of CIE XYZ from spectral data & FWA:\n");
-	fprintf (stderr, "             A, C, D50 (def.), D50M2, D65, F5, F8, F10 or file.sp\n");
-	fprintf (stderr, " -o observ   Choose CIE Observer for spectral data:\n");
-	fprintf (stderr, "              1931_2 (def), 1964_10, S&B 1955_2, shaw, J&V 1978_2 or file.cmf\n");
-	fprintf (stderr, " -n          Don't output spectral values\n"); 
+	fprintf (stderr, "Usage: spec2cie [options] input.[ti3|sp] output.[ti3|sp]\n");
+	fprintf (stderr, " -v              Verbose mode\n");
+	fprintf (stderr, " -I illum        Override actual instrument illuminant in .ti3 or .sp  file:\n");
+	fprintf (stderr, "                  A, C, D50, D50M2, D65, F5, F8, F10 or file.sp\n");
+	fprintf (stderr, "                  (only used in conjunction with -f)\n");
+	fprintf (stderr, " -f [illum]      Use Fluorescent Whitening Agent compensation [simulated inst. illum.:\n");
+	fprintf (stderr, "                  M0, M1, M2, A, C, D50 (def.), D50M2, D65, F5, F8, F10 or file.sp]\n");
+	fprintf (stderr, " -i illum        Choose illuminant for computation of CIE XYZ from spectral data & FWA:\n");
+	fprintf (stderr, "                 A, C, D50 (def.), D50M2, D65, F5, F8, F10 or file.sp\n");
+	fprintf (stderr, " -o observ       Choose CIE Observer for spectral data:\n");
+	fprintf (stderr, "                  1931_2 (def), 1964_10, S&B 1955_2, shaw, J&V 1978_2 or file.cmf\n");
+	fprintf (stderr, " -n              Don't output spectral values\n"); 
 #ifdef ALLOW_PLOT
-	fprintf (stderr, " -p          Plot each values spectrum\n"); 
+	fprintf (stderr, " -p              Plot each values spectrum\n"); 
 #endif
-	fprintf (stderr, " input.ti3   Measurement file\n");
-	fprintf (stderr, " output.ti3  Converted measurement file\n");
+	fprintf (stderr, " input.[ti3|sp]  Measurement file\n");
+	fprintf (stderr, " output.[ti3|sp] Converted measurement file\n");
 	exit (1);
 }
 
@@ -116,6 +117,7 @@ main(int argc, char *argv[])
 	cgats *ocg;						/* output cgats structure */
 	cgats_set_elem *elems;
 
+	int isspect = 0;				/* nz if SPECT file rathe than TI3 */
 	int isemis = 0;					/* nz if this is an emissive reference */
 	int isdisp = 0;					/* nz if this is a display device */
 	int isdnormed = 0;				/* Has display data been normalised to 100 ? */
@@ -126,12 +128,18 @@ main(int argc, char *argv[])
 	int fwacomp = 0;				/* FWA compensation */
 	int doplot = 0;					/* Plot each patches spectrum */
 	char* illum_str = "D50";
-	icxIllumeType tillum = icxIT_none;	/* Target/simulated instrument illuminant */ 
+	icxIllumeType tillum = icxIT_none;	/* Target/simulated instrument illuminant, if set. */ 
 	xspect cust_tillum, *tillump = NULL; /* Custom target/simulated illumination spectrum */
-	icxIllumeType illum = icxIT_none;			/* Spectral defaults */
-	xspect cust_illum;				/* Custom CIE illumination spectrum */
-	icxIllumeType inst_illum = icxIT_none;		/* Spectral defaults */
+	                                     /* if tillum == icxIT_custom */
+	icxIllumeType illum = icxIT_none;	/* CIE calc. illuminant spectrum, and FWA inst. */
+										/* illuminant if tillum not set. */
+	xspect cust_illum;				/* Custom CIE illumination spectrum if illum == icxIT_custom */
+	double *ill_wp = NULL;			/* If illum is not D50, illum white point XYZ */
+	double _ill_wp[3];				/* (What ill_wp points at if it is not NULL) */
+	icxIllumeType inst_illum = icxIT_none;		/* Actual instrument illumination */
 	xspect inst_cust_illum;			/* Custom actual instrument illumination spectrum */
+									/* if inst_illum == icxIT_custom */
+
 	icxObserverType observ = icxOT_none;
 	xspect cust_observ[3];			/* Custom observer CMF's */
 
@@ -211,9 +219,18 @@ main(int argc, char *argv[])
 					inst_illum = icxIT_F10;
 				}
 				else {				/* Assume it's a filename */
+					inst_meas_type mt;
+
 					inst_illum = icxIT_custom;
-					if (read_xspect (&inst_cust_illum, na) != 0)
+					if (read_xspect (&inst_cust_illum, &mt,na) != 0)
 						usage ();
+
+					if (mt != inst_mrt_none
+					 && mt != inst_mrt_emission
+					 && mt != inst_mrt_ambient
+					 && mt != inst_mrt_emission_flash
+					 && mt != inst_mrt_ambient_flash)
+						error("Instrument illuminant '%s' is wrong measurement type",na);
 				}
 			}
 
@@ -243,14 +260,24 @@ main(int argc, char *argv[])
 					} else if (strcmp(na, "F10") == 0) {
 						tillum = icxIT_F10;
 					} else {	/* Assume it's a filename */
+						inst_meas_type mt;
+
 						tillum = icxIT_custom;
-						if (read_xspect(&cust_tillum, na) != 0)
+						if (read_xspect(&cust_tillum, &mt, na) != 0)
 							usage();
+
+						if (mt != inst_mrt_none
+						 && mt != inst_mrt_emission
+						 && mt != inst_mrt_ambient
+						 && mt != inst_mrt_emission_flash
+						 && mt != inst_mrt_ambient_flash)
+							error("Target illuminant '%s' is wrong measurement type",na);
 					}
 				}
 			}
 
 			/* CIE tristimulous spectral Illuminant type */
+			/* (and FWA simulated instrument illuminant if tillum == icxIT_none) */
 			else if (argv[fa][1] == 'i') {
 				fa = nfa;
 				if (na == NULL)
@@ -281,9 +308,18 @@ main(int argc, char *argv[])
 					illum = icxIT_F10;
 				}
 				else {				/* Assume it's a filename */
+					inst_meas_type mt;
+
 					illum = icxIT_custom;
-					if (read_xspect (&cust_illum, na) != 0)
+					if (read_xspect (&cust_illum, &mt, na) != 0)
 						usage ();
+
+					if (mt != inst_mrt_none
+					 && mt != inst_mrt_emission
+					 && mt != inst_mrt_ambient
+					 && mt != inst_mrt_emission_flash
+					 && mt != inst_mrt_ambient_flash)
+						error("CIE illuminant '%s' is wrong measurement type",na);
 				}
 			}
 
@@ -334,23 +370,32 @@ main(int argc, char *argv[])
 
 	/* Open and look at the .ti3 profile patches file */
 
-	icg = new_cgats ();						/* Create a CGATS structure */
+	icg = new_cgats ();					/* Create a CGATS structure */
 	icg->add_other (icg, "CTI3");		/* Calibration Target Information 3 */
+	icg->add_other (icg, "SPECT");		/* Spectral file */
 
-	ocg = new_cgats ();						/* Create a CGATS structure */
+	ocg = new_cgats ();					/* Create a CGATS structure */
 	ocg->add_other (ocg, "CTI3");		/* Calibration Target Information 3 */
+	icg->add_other (ocg, "SPECT");		/* Spectral file */
 
 	if (icg->read_name (icg, in_ti3_name))
 		error ("CGATS file read error: %s", icg->err);
 
-	if (icg->ntables == 0 || icg->t[0].tt != tt_other || icg->t[0].oi != 0)
-		error ("Input file isn't a CTI3 format file");
+	if (icg->ntables == 0 || icg->t[0].tt != tt_other
+	 || (icg->t[0].oi != 0 && icg->t[0].oi != 1))
+		error ("Input file isn't a CTI3 or SPECT format file");
+
+	if (icg->t[0].oi == 1)
+		isspect = 1;
+
 	if (icg->ntables < 1)
 		error ("Input file doesn't contain at least one table");
 
 	/* add table to output file */
-
-	ocg->add_table(ocg, tt_other, 0);
+	if (isspect)
+		ocg->add_table(ocg, tt_other, 1);
+	else
+		ocg->add_table(ocg, tt_other, 0);
 
 	/* copy keywords */
 
@@ -370,19 +415,39 @@ main(int argc, char *argv[])
 		}
 	}
 
-	if ((dti = icg->find_kword (icg, 0, "DEVICE_CLASS")) < 0)
-		error ("Input file doesn't contain keyword DEVICE_CLASS");
-
-	/* Reflective options when not a reflective profile type */
-	if (strcmp(icg->t[0].kdata[dti],"DISPLAY") == 0
-	 || strcmp(icg->t[0].kdata[dti],"EMISINPUT") == 0) {
-		isemis = 1;
-		if (illum != icxIT_none)
-			error("-i illuminant can't be used for emissive reference type");
-		if (fwacomp)
-			error("-f FWA compensation can't be used for emissive reference type");
-		fwacomp = 0;
-		tillum = icxIT_none;
+	if (isspect) {
+		if ((dti = icg->find_kword (icg, 0, "MEAS_TYPE")) < 0)
+			error ("Input file doesn't contain keyword MEAS_TYPE");
+	
+		/* Reflective options when not a reflective profile type */
+		if (strcmp(icg->t[0].kdata[dti],"EMISSION") == 0
+		 || strcmp(icg->t[0].kdata[dti],"AMBIENT") == 0
+		 || strcmp(icg->t[0].kdata[dti],"EMISSION_FLASH") == 0
+		 || strcmp(icg->t[0].kdata[dti],"AMBIENT_FLASH") == 0) {
+			isemis = 1;
+			if (illum != icxIT_none)
+				error("-i illuminant can't be used for emissive reference type");
+			if (fwacomp)
+				error("-f FWA compensation can't be used for emissive reference type");
+			fwacomp = 0;
+			tillum = icxIT_none;
+		}
+
+	} else {
+		if ((dti = icg->find_kword (icg, 0, "DEVICE_CLASS")) < 0)
+			error ("Input file doesn't contain keyword DEVICE_CLASS");
+	
+		/* Reflective options when not a reflective profile type */
+		if (strcmp(icg->t[0].kdata[dti],"DISPLAY") == 0
+		 || strcmp(icg->t[0].kdata[dti],"EMISINPUT") == 0) {
+			isemis = 1;
+			if (illum != icxIT_none)
+				error("-i illuminant can't be used for emissive reference type");
+			if (fwacomp)
+				error("-f FWA compensation can't be used for emissive reference type");
+			fwacomp = 0;
+			tillum = icxIT_none;
+		}
 	}
 
 	/* Set defaults */
@@ -392,26 +457,30 @@ main(int argc, char *argv[])
 	if (observ == icxOT_none)
 		observ = icxOT_CIE_1931_2;
 
-	/* Figure out what sort of device it is */
+	/* See if the display CIE data has been normalised to Y = 100 */
 	{
 		int ti;
-		char *tos;
-
-		if (strcmp (icg->t[0].kdata[dti], "DISPLAY") == 0) {
-			isdisp = 1;
-		}
 
-		/* See if the display CIE data has been normalised to Y = 100 */
 		if ((ti = icg->find_kword(icg, 0, "NORMALIZED_TO_Y_100")) < 0
 		 || strcmp(icg->t[0].kdata[ti],"NO") == 0) {
 			isdnormed = 0;
 		} else {
 			isdnormed = 1;
 		}
+	}
+
+	/* Figure out what sort of device it is */
+	if (icg->find_kword(icg, 0, "COLOR_REP") >= 0) {
+		int ti;
+		char *tos;
 
 		if ((ti = icg->find_kword(icg, 0, "COLOR_REP")) < 0)
 			error("Input file doesn't contain keyword COLOR_REP");
 
+		if (strcmp (icg->t[0].kdata[dti], "DISPLAY") == 0) {
+			isdisp = 1;
+		}
+
 		if ((tos = strchr(icg->t[0].kdata[ti], '_')) == NULL)
 			tos = icg->t[0].kdata[ti];
 
@@ -513,7 +582,7 @@ main(int argc, char *argv[])
 	/* Read in the CGATs fields */
 
 	{
-		int sidx;				/* Sample ID index */
+//		int sidx;				/* Sample ID index */
 		int ti, ii;
 		int Xi, Yi, Zi, Li, ai, bi;		/* CGATS indexes for each field */
 		int spi[XSPECT_MAX_BANDS];		/* CGATS indexes for each wavelength */
@@ -528,10 +597,12 @@ main(int argc, char *argv[])
 		xspect mwsp;		/* FWA compensated medium white spectrum */
 		double mwXYZ[3];	/* Media white XYZ */
 
+#ifdef NEVER
 		if ((sidx = icg->find_field (icg, 0, "SAMPLE_ID")) < 0)
 			error ("Input file doesn't contain field SAMPLE_ID");
 		if (icg->t[0].ftype[sidx] != nqcs_t)
 			error ("Field SAMPLE_ID is wrong type");
+#endif
 
 		/* Using spectral data */
 
@@ -628,14 +699,28 @@ main(int argc, char *argv[])
 			error("Out of memory");
 		}
 
+		/* If CIE calculation illuminant is not standard, compute it's white point */
+		if (illum != icxIT_D50) {
+			ill_wp = _ill_wp;
+
+			/* Compute XYZ of illuminant */
+			if (icx_ill_sp2XYZ(ill_wp, observ, cust_observ, illum, 0.0, &cust_illum) != 0) 
+				error("icx_ill_sp2XYZ returned error");
+		}
+
 		/* Create a spectral conversion object */
-		if ((sp2cie = new_xsp2cie (illum,
-								   illum == icxIT_none ?  NULL : &cust_illum,
-								   observ, cust_observ, icSigXYZData, icxClamp)) == NULL)
+		if ((sp2cie = new_xsp2cie(illum, &cust_illum, observ, cust_observ,
+			                              icSigXYZData, icxClamp)) == NULL)
 		{
 			error ("Creation of spectral conversion object failed");
 		}
 
+		if (fwacomp && devspace == icmSigDefaultData) {
+			// In theory could fake white spectra by accumulating max of
+			// all values as an alternative.
+			error ("No device values, so can't locate white patch for FWA compensation");
+		}
+
 		if (fwacomp) {
 			double nw = 0.0;	/* Number of media white patches */
 
@@ -741,6 +826,8 @@ main(int argc, char *argv[])
 				}
 			}
 
+			/* Enable FWA, and use tillump as instrument illuminant if */
+			/* it is set, else use observer illuminant set by new_xsp2cie(). */
 			/* (Note that sp and mwsp.norm is set to 100.0) */
 			if (sp2cie->set_fwa(sp2cie, &insp, tillump, &mwsp)) 
 				error ("Set FWA on sp2cie failed");
@@ -755,6 +842,15 @@ main(int argc, char *argv[])
 			sp2cie->sconvert (sp2cie, &rmwsp, mwXYZ, &mwsp);
 		}
 
+		/* If CIE conversion illuminant is non-standard, add it to the output */
+		if (ill_wp != NULL) {
+			char buf[100];
+	
+			sprintf(buf,"%f %f %f", ill_wp[0], ill_wp[1], ill_wp[2]);
+			ocg->add_kword(ocg, 0, "ILLUMINANT_WHITE_POINT_XYZ",buf, NULL);
+		}
+
+		/* Transform patches from spectral to CIE */
 		for (i = 0; i < npat; i++) {
 			xspect corr_sp;
 
diff --git a/spectro/specbos.c b/spectro/specbos.c
index 491fe97..4c5e4ba 100644
--- a/spectro/specbos.c
+++ b/spectro/specbos.c
@@ -2,7 +2,7 @@
 /* 
  * Argyll Color Correction System
  *
- * JETI specbos 1211/1201 related functions
+ * JETI specbos & spectraval related functions
  *
  * Author: Graeme W. Gill
  * Date:   13/3/2013
@@ -38,9 +38,15 @@
 
 	TTBD:
 
-	Should add a reflective and transmissive modes,
+	Should add a reflective mode,
 	by doing a white calibration and dividing the measurement.
 
+	Should check transmissive white spectral quality
+
+	Should save transmissive white cal. into file, and restore it on startup.
+
+	Should time transmissive white cal out.
+
 */
 
 #include <stdio.h>
@@ -78,6 +84,14 @@ static int icoms2specbos_err(int se) {
 	return SPECBOS_OK;
 }
 
+/* Type of reply terminator expected */
+typedef enum {
+    tnorm = 0,			/* Normal terminators */
+    tmeas = 1,			/* Measurement command */
+    trefr = 2,			/* Refresh measurement */
+    tspec = 3			/* Spectraval spectral read */
+} spterm;
+
 /* Do a full command/response echange with the specbos */
 /* (This level is not multi-thread safe) */
 /* Return the specbos error code. */
@@ -89,26 +103,28 @@ char *out,			/* Out string buffer */
 int bsize,			/* Out buffer size */
 double to,			/* Timeout in seconds */
 int ntc,			/* Number or termination chars */
-int ctype,			/* 0 = normal, 1 = *init, 2 = refr reading */
+spterm ctype,		/* Exected reply terminator type */
 int nd				/* nz to disable debug messages */
 ) {
 	int se;
 	int bread = 0;
 	char *cp, *tc = "", *dp;
 
-	if (ctype == 0)
+	if (ctype == tnorm)
 		tc = "\r\006\025";		/* Return, Ack or Nak */
-	else if (ctype == 1)
+	else if (ctype == tmeas)
 		tc = "\007\025";		/* Bell or Nak */
-	else if (ctype == 2)
+	else if (ctype == trefr)
 		tc = "\r\025";			/* Return or Nak */
+	else if (ctype == tspec)
+		tc = "\003\025";		/* Atx or Nak */
 
-	se = p->icom->write_read(p->icom, in, 0, out, bsize, &bread, tc, ntc, to);
+	se = p->icom->write_read_ex(p->icom, in, 0, out, bsize, &bread, tc, ntc, to, 1);
 
 	/* Because we are sometimes waiting for 3 x \r characters to terminate the read, */
-	/* we will instead time out on getting a single NAK (\025), so convert timout */
-	/* with bytes to non-timeout, so that we can process the error. */
-	if (se == ICOM_TO && bread > 0)
+	/* we will instead time out on getting a single NAK (\025), so ignore timout */
+	/* if we got a NAK. */
+	if (se == ICOM_TO && bread > 0 && out[0] == '\025')
 		se = ICOM_OK;
 
 	if (se != 0) {
@@ -116,6 +132,14 @@ int nd				/* nz to disable debug messages */
 		return icoms2specbos_err(se);
 	}
 
+	/* Over Bluetooth, we get an erronious string "AT+JSCR\r\n" mixed in our output. */
+	/* This would appear to be from the eBMU Bluetooth adapter AT command set. */
+	if (bread > 9 && strncmp(out, "AT+JSCR\r\n", 9) == 0) {
+		a1logd(p->log, 8, "specbos: ignored 'AT+JSCR\\r\\n' response\n");
+		memmove(out, out+9, bsize-9);
+		bread -= 9;
+	}
+
 	/* See if there was an error, and remove any enquire codes */
 	for (dp = cp = out; *cp != '\000' && (dp - out) < bsize; cp++) {
 		if (*cp == '\025') {	/* Got a NAK */
@@ -125,9 +149,16 @@ int nd				/* nz to disable debug messages */
 				if (!nd) a1logd(p->log, 1, "specbos_fcommand: serial i/o failure on write_read '%s'\n",icoms_fix(in));
 				return icoms2specbos_err(se);;
 			}
-			if (sscanf(buf, "Error Code: %d ",&se) != 1) {
-				if (!nd) a1logd(p->log, 1, "specbos_fcommand: failed to parse error code '%s'\n",icoms_fix(buf));
-				return SPECBOS_DATA_PARSE_ERROR;
+			if (p->model == 1501 || p->model == 1511) {
+				if (sscanf(buf, "%d ",&se) != 1) {
+					if (!nd) a1logd(p->log, 1, "specbos_fcommand: failed to parse error code '%s'\n",icoms_fix(buf));
+					return SPECBOS_DATA_PARSE_ERROR;
+				}
+			} else {
+				if (sscanf(buf, "Error Code: %d ",&se) != 1) {
+					if (!nd) a1logd(p->log, 1, "specbos_fcommand: failed to parse error code '%s'\n",icoms_fix(buf));
+					return SPECBOS_DATA_PARSE_ERROR;
+				}
 			}
 					
 			if (!nd) a1logd(p->log, 1, "Got specbos error code %d\n",se);
@@ -155,7 +186,7 @@ char *in,			/* In string */
 char *out,			/* Out string buffer */
 int bsize,			/* Out buffer size */
 double to) {		/* Timout in seconds */
-	int rv = specbos_fcommand(p, in, out, bsize, to, 1, 0, 0);
+	int rv = specbos_fcommand(p, in, out, bsize, to, 1, tnorm, 0);
 	return specbos_interp_code((inst *)p, rv);
 }
 
@@ -186,8 +217,10 @@ specbos_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 	specbos *p = (specbos *) pp;
 	char buf[MAX_MES_SIZE];
 	baud_rate brt[] = { baud_921600, baud_115200, baud_38400, baud_nc };
+// spectraval 38400, 115200, 230400, 921600, 3000000
+
 	unsigned int etime;
-	unsigned int i;
+	unsigned int len, i;
 	instType itype = pp->itype;
 	int se;
 
@@ -195,64 +228,104 @@ specbos_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 
 	a1logd(p->log, 2, "specbos_init_coms: About to init Serial I/O\n");
 
-	amutex_lock(p->lock);
 
-	if (p->icom->port_type(p->icom) != icomt_serial
-	 && p->icom->port_type(p->icom) != icomt_usbserial) {
-		amutex_unlock(p->lock);
-		a1logd(p->log, 1, "specbos_init_coms: wrong communications type for device!\n");
+	if (!(p->icom->dctype & icomt_serial)
+	 && !(p->icom->dctype & icomt_fastserial)) {
+		a1logd(p->log, 1, "specbos_init_coms: wrong communications type for device! (dctype 0x%x)\n",p->icom->dctype);
 		return inst_coms_fail;
 	}
 	
-	/* The tick to give up on */
-	etime = msec_time() + (long)(1500.0 + 0.5);
+	/* Communications has already been established over BlueTooth serial */
+	if (p->bt) {
 
-	a1logd(p->log, 1, "specbos_init_coms: Trying different baud rates (%u msec to go)\n",etime - msec_time());
+		amutex_lock(p->lock);
 
-	/* Until we time out, find the correct baud rate */
-	for (i = 0; msec_time() < etime; i++) {
-		if (brt[i] == baud_nc) {
-			i = 0;
-		}
-		a1logd(p->log, 5, "specbos_init_coms: trying baud ix %d\n",brt[i]);
-		if ((se = p->icom->set_ser_port(p->icom, fc_none, brt[i], parity_none,
-			                         stop_1, length_8)) != ICOM_OK) { 
+		/* Let instrument get its act together */
+		msec_sleep(600);
+
+		/* Get the instrument identification */
+		if ((ev = specbos_command(p, "*idn?\r", buf, MAX_MES_SIZE, 0.5)) != inst_ok) {
 			amutex_unlock(p->lock);
-			a1logd(p->log, 5, "specbos_init_coms: set_ser_port failed with 0x%x\n",se);
-			return specbos_interp_code((inst *)p, icoms2specbos_err(se));;		/* Give up */
+			a1logd(p->log, 2, "specbos_init_coms: idn didn't return\n");
+			return ev;
 		}
 
+	/* We need to setup communications */
+	} else {
+		int delayms = 0;
+		amutex_lock(p->lock);
 
-		/* Check instrument is responding */
-		if (((ev = specbos_command(p, "*idn?\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
-			                                                       != inst_coms_fail) {
-			break;		/* We've got coms or user abort */
-		}
+		/* The tick to give up on */
+		etime = msec_time() + (long)(1500.0 + 0.5);
 
-		/* Check for user abort */
-		if (p->uicallback != NULL) {
-			inst_code ev;
-			if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
+		a1logd(p->log, 1, "specbos_init_coms: Trying different baud rates (%u msec to go)\n",etime - msec_time());
+
+		/* Spectraval Bluetooth serial doesn't seem to actuall function */
+		/* until 600msec after it is opened. We get arroneos "AT+JSCR\r\n" reply */
+		/* within that time, and it won't re-open after closing. */
+		if (p->icom->dctype & icomt_btserial)
+			delayms = 600;
+
+		/* Until we time out, find the correct baud rate */
+		for (i = 0; msec_time() < etime; i++) {
+			if (brt[i] == baud_nc) {
+				i = 0;
+			}
+
+			/* Only connect at 115200 if bluetooth */
+			if ((p->icom->dctype & icomt_btserial) != 0 && brt[i] != baud_115200)
+				continue;
+				
+			a1logd(p->log, 5, "specbos_init_coms: Trying %s baud, %d msec to go\n",
+				                      baud_rate_to_str(brt[i]), etime- msec_time());
+			if ((se = p->icom->set_ser_port_ex(p->icom, fc_None, brt[i], parity_none,
+				                         stop_1, length_8, delayms)) != ICOM_OK) { 
 				amutex_unlock(p->lock);
-				a1logd(p->log, 1, "specbos_init_coms: user aborted\n");
-				return inst_user_abort;
+				a1logd(p->log, 5, "specbos_init_coms: set_ser_port failed with 0x%x\n",se);
+				return specbos_interp_code((inst *)p, icoms2specbos_err(se));;		/* Give up */
+			}
+
+//			if ((p->icom->sattr & icom_bt) != 0)
+//				specbos_command(p, "\r", buf, MAX_MES_SIZE, 0.5);
+
+			/* Check instrument is responding */
+			if (((ev = specbos_command(p, "*idn?\r", buf, MAX_MES_SIZE, 0.5)) & inst_mask)
+				                                                       != inst_coms_fail) {
+				goto got_coms;		/* We've got coms or user abort */
+			}
+
+			/* Check for user abort */
+			if (p->uicallback != NULL) {
+				inst_code ev;
+				if ((ev = p->uicallback(p->uic_cntx, inst_negcoms)) == inst_user_abort) {
+					amutex_unlock(p->lock);
+					a1logd(p->log, 1, "specbos_init_coms: user aborted\n");
+					return inst_user_abort;
+				}
 			}
 		}
-	}
 
-	if (msec_time() >= etime) {		/* We haven't established comms */
+		/* We haven't established comms */
 		amutex_unlock(p->lock);
 		a1logd(p->log, 2, "specbos_init_coms: failed to establish coms\n");
 		return inst_coms_fail;
+
+  got_coms:;
 	}
 
 	/* Check the response */
+	len = strlen(buf);
 	p->model = 0;
 
-	if (strncmp (buf, "SB05", 4) == 0)		/* Special case */
+	if (len >= 4 && strncmp(buf, "SB05", 4) == 0) {
 		p->model = 1201;
-	else {
-		if (strlen(buf) < 11
+	} else if ((len >= 10 && strncmp(buf, "JETI_SDCM3", 10) == 0)
+	        || (len >= 9  && strncmp(buf, "DCM3_JETI", 9) == 0)
+			|| (len >= 17  && strncmp(buf, "PECFIRM_JETI_1501", 18) == 0)
+			|| (len >= 18  && strncmp(buf, "SPECFIRM_JETI_1501", 17) == 0)) {
+		p->model = 1501;
+	} else {
+		if (len < 11
 		 || sscanf(buf, "JETI_SB%d\r", &p->model) != 1) {
 			amutex_unlock(p->lock);
 			a1logd(p->log, 2, "specbos_init_coms: unrecognised ident string '%s'\n",icoms_fix(buf));
@@ -260,7 +333,9 @@ specbos_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		}
 	}
 
-	if (p->model != 1201 && p->model != 1211) {
+	if (p->model != 1201
+	 && p->model != 1211
+	 && p->model != 1501) {
 		amutex_unlock(p->lock);
 		a1logd(p->log, 2, "specbos_init_coms: unrecognised model %04d\n",p->model);
 		return inst_unknown_model;
@@ -269,6 +344,40 @@ specbos_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 
 	p->gotcoms = 1;
 
+	/* See if it's a 1501 or 1511 */
+	if (p->model == 1501) {
+		int dispen = 0;
+
+		if ((ev = specbos_command(p, "*conf:dispen?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			a1logd(p->log, 2, "specbos_init_coms: failed to get display status\n");
+			return inst_protocol_error;
+		}
+		if (sscanf(buf, "%d ",&dispen) != 1) {
+			amutex_unlock(p->lock);
+			a1loge(p->log, 1, "specbos_init_inst: failed to parse display status\n");
+			return ev;
+		}
+		a1logd(p->log, 1, " spectraval %s display\n",dispen ? "has" : "doesn't have");
+		if (dispen) {
+			p->model = 1511;
+
+			/* Set remote mode */
+			if ((ev = specbos_command(p, "*REMOTE 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				amutex_unlock(p->lock);
+				a1logd(p->log, 2, "specbos_init_coms: failed to set remote mode\n");
+				return inst_protocol_error;
+			}
+		}
+
+		/* Check Bluetooth status */
+		if ((ev = specbos_command(p, "*conf:bten?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			a1logd(p->log, 2, "specbos_init_coms: failed to get Bluetooth status\n");
+			return inst_protocol_error;
+		}
+	}
+
 #ifdef NEVER 	/* Test a change in baud rate on next plug in */
 	a1logd(p->log, 2, "specbos_init_coms: changing baudrate\n");
 //	if ((ev = specbos_command(p, "*para:baud 384\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok)
@@ -285,12 +394,11 @@ specbos_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 #endif
 
 	amutex_unlock(p->lock);
-
 	return inst_ok;
 }
 
 /*
-	Notes on commands
+	Notes on commands for 1201:
 
 	*conf is temporary, *para can be saved to instrument
 	Since we set the instrument up every time, use *conf ?
@@ -378,7 +486,8 @@ int specbos_diff_thread(void *pp) {
 		int pos;
 
 		amutex_lock(p->lock);
-		rv1 = specbos_get_diffpos(p, &pos, 1); 
+		if (p->model != 1501 && p->model != 1511)
+			rv1 = specbos_get_diffpos(p, &pos, 1); 
 		rv2 = specbos_get_target_laser(p, &p->laser, 1); 
 		amutex_unlock(p->lock);
 
@@ -419,9 +528,11 @@ specbos_init_inst(inst *pp) {
 
 	amutex_lock(p->lock);
 	
-	/* Restore the instrument to it's default settings */
-	if ((ev = specbos_command(p, "*conf:default\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok)
-		return ev;
+	if (p->model != 1501 && p->model != 1511) {
+		/* Restore the instrument to it's default settings */
+		if ((ev = specbos_command(p, "*conf:default\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok)
+			return ev;
+	}
 
 	/* Set calibration type to auto on ambient cap */
 	if ((ev = specbos_command(p, "*para:calibn 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
@@ -429,78 +540,177 @@ specbos_init_inst(inst *pp) {
 		return ev;
 	}
 
-	/* Set auto exposure/integration time */
-	/* Set calibration type to auto on ambient cap */
-	if ((ev = specbos_command(p, "*para:expo 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok
-	 || (ev = specbos_command(p, "*para:adapt 2\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
+	if (p->model == 1501 || p->model == 1511) {
+		/* Set auto exposure/integration time */
+		if ((ev = specbos_command(p, "*para:tint 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+	} else {
+		/* Set auto exposure/integration time */
+		if ((ev = specbos_command(p, "*para:expo 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok
+//		 || (ev = specbos_command(p, "*para:adapt 2\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok
+		) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
 	}
 
-	p->measto = 20.0;			/* default */
+	p->measto = 20.0;		/* Set default. Specbos default is 60.0 */
 
 	if (p->model == 1211)
-		p->measto = 5.0;		/* Same overall time as i1d3 ?? */
+		p->measto = 6.0;		/* Same overall time as i1d3 ?? */
 	else if (p->model == 1201)
-		p->measto = 15.0;
+		p->measto = 16.0;
+	else if (p->model == 1501 || p->model == 1511)
+		p->measto = 6.0;
 
-	/* Set maximum integration time to speed up display measurement */
-	sprintf(mes, "*conf:maxtin %d\r", (int)(p->measto * 1000.0+0.5));
-	if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
-	}
+	/* Implement max auto int. time, to speed up display measurement */
+	if (p->model == 1501 || p->model == 1511) {
+		int maxaver = 2;	/* Maximum averages for auto int time */
+		double dmaxtint;
+		int maxtint;
 
-	/* Set the measurement function to be Radiometric spectrum */
-	if ((ev = specbos_command(p, "*conf:func 6\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
-	}
+		/* Actual time taken depends on maxtint, autoavc & fudge factor. */
+		dmaxtint = p->measto/(maxaver + 3.5);
 
-	/* Set the measurement format to ASCII */
-	if ((ev = specbos_command(p, "*conf:form 4\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
-	}
+		maxtint = (int)(dmaxtint * 1000.0+0.5);
 
-	if ((ev = specbos_command(p, "*para:wavbeg?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
-	}
-	if (sscanf(buf, "Predefined start wave: %lf ",&p->wl_short) != 1) {
-		amutex_unlock(p->lock);
-		a1loge(p->log, 1, "specbos_init_inst: failed to parse start wave\n");
-		return ev;
-	}
-	a1logd(p->log, 1, " Short wl range %f\n",p->wl_short);
+		if (maxtint < 1000 || maxtint > 64999)
+			error("specbos: assert, maxtint %d out of range",maxtint);
 
-	if ((ev = specbos_command(p, "*para:wavend?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
-	}
-	if (sscanf(buf, "Predefined end wave: %lf ",&p->wl_long) != 1) {
-		amutex_unlock(p->lock);
-		a1loge(p->log, 1, "specbos_init_inst: failed to parse end wave\n");
-		return ev;
-	}
-	if (p->wl_long > 830.0)			/* Could go to 1000 with 1211 */
-		p->wl_long = 830.0;			/* Limit it to useful visual range */
+		/* Set maximum integration time */
+		sprintf(mes, "*para:maxtint %d\r", maxtint);
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
 
-	a1logd(p->log, 1, " Long wl range %f\n",p->wl_long);
+		/* Set maximum number of auto averages. Min value is 2 */
+		sprintf(mes, "*para:maxaver %d\r", maxaver);
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
 
-	p->nbands = (int)((p->wl_long - p->wl_short + 1.0)/1.0 + 0.5);
+		/* spectraval doesn't support *fetch:XYZ command */
+		p->noXYZ  = 1;
 
-	/* Set the wavelength range and resolution */
-	sprintf(mes, "*conf:wran %d %d 1\r", (int)(p->wl_short+0.5), (int)(p->wl_long+0.5));
-	if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
+	} else {
+		double dmaxtin;
+		int maxtin;
+
+		dmaxtin = p->measto/2.5;		/* Fudge factor */
+		maxtin = (int)(dmaxtin * 1000.0+0.5);
+
+		if (maxtin < 1000 || maxtin > 64999)
+			error("specbos: assert, maxtin %d out of range",maxtin);
+
+		/* Set maximum integration time */
+		sprintf(mes, "*para:maxtint %d\r", maxtin);
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
 	}
 
-	/* Set to average just 1 reading */
-	if ((ev = specbos_command(p, "*conf:aver 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-		amutex_unlock(p->lock);
-		return ev;
+	if (p->model == 1501 || p->model == 1511) {
+		int wstart, wend, wstep;
+
+		/* Set the measurement format to None. We will read measurement manually. */
+		/* (0 = None, 1 = Binary, 2 = ASCII) */
+		if ((ev = specbos_command(p, "*para:form 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+
+		if ((ev = specbos_command(p, "*para:wran?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+		if (sscanf(buf, "%d %d %d",&wstart,&wend,&wstep) != 3) {
+			amutex_unlock(p->lock);
+			a1loge(p->log, 1, "specbos_init_inst: failed to parse wavelength range\n");
+			return ev;
+		}
+
+		p->wl_short = (double)wstart;
+		p->wl_long = (double)wend;
+
+		a1logd(p->log, 1, " Short wl range %f\n",p->wl_short);
+	
+		if (p->wl_long > 830.0)
+			p->wl_long = 830.0;			/* Limit it to useful visual range */
+	
+		a1logd(p->log, 1, " Long wl range %f\n",p->wl_long);
+
+		p->nbands = (int)((p->wl_long - p->wl_short + 1.0)/1.0 + 0.5);
+	
+		/* Set the wavelength range and resolution */
+		sprintf(mes, "*para:wran %d %d 1\r", (int)(p->wl_short+0.5), (int)(p->wl_long+0.5));
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+
+		/* Set to average just 1 reading */
+		if ((ev = specbos_command(p, "*para:aver 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+	} else {
+
+		/* Set the measurement function to be Radiometric spectrum */
+		if ((ev = specbos_command(p, "*conf:func 6\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+
+		/* Set the measurement format to ASCII */
+		if ((ev = specbos_command(p, "*conf:form 4\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+
+		if ((ev = specbos_command(p, "*para:wavbeg?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+		if (sscanf(buf, "Predefined start wave: %lf ",&p->wl_short) != 1) {
+			amutex_unlock(p->lock);
+			a1loge(p->log, 1, "specbos_init_inst: failed to parse start wave\n");
+			return ev;
+		}
+		a1logd(p->log, 1, " Short wl range %f\n",p->wl_short);
+	
+		if ((ev = specbos_command(p, "*para:wavend?\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+		if (sscanf(buf, "Predefined end wave: %lf ",&p->wl_long) != 1) {
+			amutex_unlock(p->lock);
+			a1loge(p->log, 1, "specbos_init_inst: failed to parse end wave\n");
+			return ev;
+		}
+		if (p->wl_long > 830.0)			/* Could go to 1000 with 1211 */
+			p->wl_long = 830.0;			/* Limit it to useful visual range */
+	
+		a1logd(p->log, 1, " Long wl range %f\n",p->wl_long);
+
+		p->nbands = (int)((p->wl_long - p->wl_short + 1.0)/1.0 + 0.5);
+	
+		/* Set the wavelength range and resolution */
+		sprintf(mes, "*conf:wran %d %d 1\r", (int)(p->wl_short+0.5), (int)(p->wl_long+0.5));
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
+
+		/* Set to average just 1 reading */
+		if ((ev = specbos_command(p, "*conf:aver 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return ev;
+		}
 	}
 
 	if (p->log->verb) {
@@ -558,6 +768,7 @@ static inst_code specbos_imp_measure_set_refresh(specbos *p);
 static inst_code specbos_imp_set_refresh(specbos *p);
 
 /* Get the ambient diffuser position */
+/* (Not valid for 1501 or 1511) */ 
 /* (This is not multithread safe) */
 static inst_code
 specbos_get_diffpos(
@@ -569,7 +780,7 @@ specbos_get_diffpos(
 	int ec;
 
 	/* See if we're in emissive or ambient mode */
-	if ((ec = specbos_fcommand(p, "*contr:mhead?\r", buf, MAX_MES_SIZE, 1.0, 1, 0, nd)) != inst_ok) {
+	if ((ec = specbos_fcommand(p, "*contr:mhead?\r", buf, MAX_MES_SIZE, 1.0, 1, tnorm, nd)) != inst_ok) {
 		return specbos_interp_code((inst *)p, ec);
 	}
 	if (sscanf(buf, "mhead: %d ",pos) != 1) {
@@ -591,17 +802,61 @@ specbos_get_target_laser(
 	int ec;
 	int lstate;
 
-	if ((ec = specbos_fcommand(p, "*contr:laser?\r", buf, MAX_MES_SIZE, 1.0, 1, 0, nd)) != inst_ok) {
+	if ((ec = specbos_fcommand(p, "*contr:laser?\r", buf, MAX_MES_SIZE, 1.0, 1, tnorm, nd)) != inst_ok) {
 		return specbos_interp_code((inst *)p, ec);
 	}
-	if (sscanf(buf, "laser: %d ",&lstate) != 1) {
-		a1loge(p->log, 2, "specbos_get_target_laser: failed to parse laser state\n");
-		return inst_protocol_error;
+	if (p->model == 1501 || p->model == 1511) {
+		if (sscanf(buf, "%d ",&lstate) != 1) {
+			a1loge(p->log, 2, "specbos_get_target_laser: failed to parse laser state\n");
+			return inst_protocol_error;
+		}
+	} else {
+		if (sscanf(buf, "laser: %d ",&lstate) != 1) {
+			a1loge(p->log, 2, "specbos_get_target_laser: failed to parse laser state\n");
+			return inst_protocol_error;
+		}
 	}
 	*laser = lstate;
 	return inst_ok;
 }
 
+/* Configure for averaging */
+static inst_code set_average(specbos *p, int nav, int lock) {
+	char mes[100];
+	char buf[MAX_MES_SIZE];
+	inst_code ev;
+
+	if (lock) amutex_lock(p->lock);
+
+	if (p->model == 1501 || p->model == 1511) {
+		/* Set number to average */
+		sprintf(mes, "*para:aver %d\r", nav);
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			if (lock) amutex_unlock(p->lock);
+			return ev;
+		}
+	} else {
+		/* Set number to average */
+		sprintf(mes, "*conf:aver %d\r", nav);
+		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			if (lock) amutex_unlock(p->lock);
+			return ev;
+		}
+	}
+
+#ifdef NEVER	/* Doesn't seem to make any difference ? */
+	/* Only dark average at start of batch */
+	sprintf(mes, "*conf:darkm %d\r", nav == 1 ? 0 : 1);
+	if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+		if (lock) amutex_unlock(p->lock);
+		return ev;
+	}
+#endif
+
+	if (lock) amutex_unlock(p->lock);
+	return inst_ok;
+}
+
 /* Read a single sample */
 /* Return the dtp error code */
 static inst_code
@@ -622,9 +877,15 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	if (!p->inited)
 		return inst_no_init;
 
+	/* Request calibration if it is needed */
+	if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission
+	 && p->trans_white.spec_n == 0) {
+		return inst_needs_cal;
+	}
+
 	amutex_lock(p->lock);
 
-	if (p->trig == inst_opt_trig_user) {
+	if (!p->doing_cal && p->trig == inst_opt_trig_user) {
 		amutex_unlock(p->lock);
 
 		if (p->uicallback == NULL) {
@@ -650,7 +911,7 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		amutex_lock(p->lock);
 
 	/* Progromatic Trigger */
-	} else {
+	} else if (!p->doing_cal) {
 		/* Check for abort */
 		if (p->uicallback != NULL
 		 && (rv = p->uicallback(p->uic_cntx, inst_armed)) == inst_user_abort) {
@@ -659,21 +920,23 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		}
 	}
 
-	/* See if we're in emissive or ambient mode */
-	if ((rv = specbos_get_diffpos(p, &pos, 0) ) != inst_ok) {
-		amutex_unlock(p->lock);
-		return rv;
-	}
-
-	if (p->mode & inst_mode_ambient) {
-		if (pos != 1) {
+	if (p->model != 1501 && p->model != 1511) {
+		/* See if we're in emissive or ambient mode */
+		if ((rv = specbos_get_diffpos(p, &pos, 0) ) != inst_ok) {
 			amutex_unlock(p->lock);
-			return specbos_interp_code((inst *)p, SPECBOS_SPOS_AMB);
+			return rv;
 		}
-	} else {
-		if (pos != 0) {
-			amutex_unlock(p->lock);
-			return specbos_interp_code((inst *)p, SPECBOS_SPOS_EMIS);
+	
+		if (p->mode & inst_mode_ambient) {
+			if (pos != 1) {
+				amutex_unlock(p->lock);
+				return specbos_interp_code((inst *)p, SPECBOS_SPOS_AMB);
+			}
+		} else {
+			if (pos != 0) {
+				amutex_unlock(p->lock);
+				return specbos_interp_code((inst *)p, SPECBOS_SPOS_EMIS);
+			}
 		}
 	}
 
@@ -693,9 +956,26 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		}
 	}
 		
+	/* Set to average 10 readings for transmission */
+	if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission) {
+		if ((rv = set_average(p, 10, 0)) != inst_ok)
+			return rv;
+	}
+
+	if (p->model == 1501 || p->model == 1511) {
+		/* Set the measurement format to None. We will read measurement manually. */
+		if ((rv = specbos_command(p, "*para:form 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			amutex_unlock(p->lock);
+			return rv;
+		}
+	}
+
 	/* Trigger a measurement */
 	/* (Note that ESC will abort it) */
-	ec = specbos_fcommand(p, "*init\r", buf, MAX_MES_SIZE, 5.0 * p->measto + 10.0 , 1, 1, 0);
+	if (p->model == 1501 || p->model == 1511)
+		ec = specbos_fcommand(p, "*meas:refer\r", buf, MAX_MES_SIZE, p->measto + 10.0 , 1, tmeas, 0);
+	else
+		ec = specbos_fcommand(p, "*init\r", buf, MAX_MES_SIZE, p->measto + 10.0 , 1, tmeas, 0);
 
 	// Test out bug workaround
 	// if (!p->badCal) ec = SPECBOS_EXCEED_CAL_WL;
@@ -719,15 +999,24 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		/* Re-set the wavelength range and resolution */
 		sprintf(mes, "*conf:wran %d %d 1\r", (int)(p->wl_short+0.5), (int)(p->wl_long+0.5));
 		if ((ev = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+			if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission)
+				set_average(p, 1, 0);
 			amutex_unlock(p->lock);
 			return ev;
 		}
 		p->badCal = 1;
 
 		/* Try command again */
-		ec = specbos_fcommand(p, "*init\r", buf, MAX_MES_SIZE, 5.0 * p->measto + 10.0 , 1, 1, 0);
+		if (p->model == 1501 || p->model == 1511)
+			ec = specbos_fcommand(p, "*meas:refer\r", buf, MAX_MES_SIZE, p->measto + 10.0 , 1, tmeas, 0);
+		else
+			ec = specbos_fcommand(p, "*init\r", buf, MAX_MES_SIZE, p->measto + 10.0 , 1, tmeas, 0);
 	}
 
+	/* Restore single reading if transmission */
+	if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission)
+		set_average(p, 1, 0);
+
 	if (ec != SPECBOS_OK) {
 		amutex_unlock(p->lock);
 		return specbos_interp_code((inst *)p, ec);
@@ -738,7 +1027,7 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		ec = SPECBOS_COMMAND;
 
 	} else {		 /* Read the XYZ */
-		ec = specbos_fcommand(p, "*fetch:XYZ\r", buf, MAX_RD_SIZE, 0.5, 3, 0, 0);
+		ec = specbos_fcommand(p, "*fetch:XYZ\r", buf, MAX_RD_SIZE, 0.5, 3, tnorm, 0);
 	}
 
 
@@ -758,26 +1047,52 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 
 		p->noXYZ = 1;
 
-		if ((ec = specbos_fcommand(p, "*fetch:PHOTOmetric\r", buf, MAX_RD_SIZE, 0.5, 3, 0, 0))
-		                                                                        != SPECBOS_OK) {
-			amutex_unlock(p->lock);
-			return specbos_interp_code((inst *)p, ec);
-		}
-		if (sscanf(buf, "Luminance[cd/m^2]: %lf ", &Yxy[0]) != 1) {
-			amutex_unlock(p->lock);
-			a1logd(p->log, 1, "specbos_read_sample: failed to parse '%s'\n",buf);
-			return inst_protocol_error;
+		if (p->model == 1501 || p->model == 1511) {
+			if ((ec = specbos_fcommand(p, "*calc:PHOTOmetric\r", buf, MAX_RD_SIZE, 0.5, 1, tnorm, 0))
+			                                                                        != SPECBOS_OK) {
+				amutex_unlock(p->lock);
+				return specbos_interp_code((inst *)p, ec);
+			}
+			if (sscanf(buf, "%lf ", &Yxy[0]) != 1) {
+				amutex_unlock(p->lock);
+				a1logd(p->log, 1, "specbos_read_sample: failed to parse '%s'\n",buf);
+				return inst_protocol_error;
+			}
+		} else {
+			if ((ec = specbos_fcommand(p, "*fetch:PHOTOmetric\r", buf, MAX_RD_SIZE, 0.5, 1, tnorm, 0))
+			                                                                        != SPECBOS_OK) {
+				amutex_unlock(p->lock);
+				return specbos_interp_code((inst *)p, ec);
+			}
+			if (sscanf(buf, "Luminance[cd/m^2]: %lf ", &Yxy[0]) != 1) {
+				amutex_unlock(p->lock);
+				a1logd(p->log, 1, "specbos_read_sample: failed to parse '%s'\n",buf);
+				return inst_protocol_error;
+			}
 		}
 	
-		if ((ec = specbos_fcommand(p, "*fetch:CHROMXY\r", buf, MAX_RD_SIZE, 0.5, 3, 0, 0))
-		                                                                    != SPECBOS_OK) {
-			amutex_unlock(p->lock);
-			return specbos_interp_code((inst *)p, ec);
-		}
-		if (sscanf(buf, "Chrom_x: %lf Chrom_y: %lf ", &Yxy[1], &Yxy[2]) != 2) {
-			amutex_unlock(p->lock);
-			a1logd(p->log, 1, "specbos_read_sample: failed to parse '%s'\n",buf);
-			return inst_protocol_error;
+		if (p->model == 1501 || p->model == 1511) {
+			if ((ec = specbos_fcommand(p, "*calc:CHROMXY\r", buf, MAX_RD_SIZE, 0.5, 1, tnorm, 0))
+			                                                                    != SPECBOS_OK) {
+				amutex_unlock(p->lock);
+				return specbos_interp_code((inst *)p, ec);
+			}
+			if (sscanf(buf, " %lf %lf ", &Yxy[1], &Yxy[2]) != 2) {
+				amutex_unlock(p->lock);
+				a1logd(p->log, 1, "specbos_read_sample: failed to parse '%s'\n",buf);
+				return inst_protocol_error;
+			}
+		} else {
+			if ((ec = specbos_fcommand(p, "*fetch:CHROMXY\r", buf, MAX_RD_SIZE, 0.5, 1, tnorm, 0))
+			                                                                    != SPECBOS_OK) {
+				amutex_unlock(p->lock);
+				return specbos_interp_code((inst *)p, ec);
+			}
+			if (sscanf(buf, "Chrom_x: %lf Chrom_y: %lf ", &Yxy[1], &Yxy[2]) != 2) {
+				amutex_unlock(p->lock);
+				a1logd(p->log, 1, "specbos_read_sample: failed to parse '%s'\n",buf);
+				return inst_protocol_error;
+			}
 		}
 		icmYxy2XYZ(val->XYZ, Yxy);
 
@@ -790,9 +1105,10 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	if (clamp)
 		icmClamp3(val->XYZ, val->XYZ);
 	val->loc[0] = '\000';
+	/* Ambient or Trans 90/diffuse */
 	if (p->mode & inst_mode_ambient) {
 		val->mtype = inst_mrt_ambient;
-	} else
+	} else	/* Emis or Trans diffuse/90 */
 		val->mtype = inst_mrt_emission;
 	val->XYZ_v = 1;		/* These are absolute XYZ readings */
 	val->sp.spec_n = 0;
@@ -800,32 +1116,45 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	rv = inst_ok;
 
 
-	/* spectrum data is returned only if requested */
-	if (p->mode & inst_mode_spectral) {
+	/* spectrum data is returned only if requested, */
+	/* or if we are emulating transmission mode */
+	if (p->mode & inst_mode_spectral
+	 || (p->mode & inst_mode_illum_mask) == inst_mode_transmission) {
 		int tries, maxtries = 5;
-		int i, xsize;
+		int ii,i, xsize;
 		char *cp, *ncp;
  
-		/* (Format 12 doesn't seem to work on the 1211) */
-		/* (Format 9 reportedly doesn't work on the 1201) */
-		/* The folling works on the 1211 and is reported to work on the 1201 */
+		if (p->model == 1501 || p->model == 1511) {
+			/* Turn on spetrum output */
+			if ((ec = specbos_command(p, "*para:form 2\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				amutex_unlock(p->lock);
+				return ec;
+			}
+			ii = 0;		/* Spectrum from the start */
+		} else {
+			ii = -2;	/* Skip first two tokens */ 
+ 
+			/* (Format 12 doesn't seem to work on the 1211) */
+			/* (Format 9 reportedly doesn't work on the 1201) */
+			/* The folling works on the 1211 and is reported to work on the 1201 */
+		}
 
 		/* Because the specbos doesn't use flow control in its */
 		/* internal serial communications, it may overrun */
 		/* the FT232R buffer, so retry fetching the spectra if */
 		/* we get a comm error or parsing error. */
-		for (tries = 0;;) {
+		for (tries = 0; tries < maxtries; tries++) {
 
 			/* Fetch the spectral readings */
-			ec = specbos_fcommand(p, "*fetch:sprad\r", buf, MAX_RD_SIZE, 4.0, 2+p->nbands+1, 0, 0);
-			tries++;
+			if (p->model == 1501 || p->model == 1511)
+				ec = specbos_fcommand(p, "*calc:sprad\r", buf, MAX_RD_SIZE, 4.0,
+				                                            1, tspec, 0);
+			else
+				ec = specbos_fcommand(p, "*fetch:sprad\r", buf, MAX_RD_SIZE, 4.0,
+				                                             2+p->nbands+1, tnorm, 0);
 			if (ec != SPECBOS_OK) {
-				if (tries > maxtries) {
-					amutex_unlock(p->lock);
-					a1logd(p->log, 1, "specbos_fcommand: failed with 0x%x\n",ec);
-					return specbos_interp_code((inst *)p, ec);
-				}
-				continue;	/* Retry the fetch */
+				a1logd(p->log, 1, "specbos_fcommand: failed with 0x%x\n",ec);
+				goto try_again;	/* Retry the fetch */
 			}
 	
 			val->sp.spec_n = p->nbands;
@@ -835,19 +1164,27 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 			/* Spectral data is in W/nm/m^2 */
 			val->sp.norm = 1.0;
 			cp = buf;
-			for (i = -2; i < val->sp.spec_n; i++) {
+			for (i = ii; i < val->sp.spec_n; i++) {
 				if ((ncp = strchr(cp, '\r')) == NULL) {
-					a1logd(p->log, 1, "specbos_read_sample: failed to parse spectra at %d/%d\n",i+1,val->sp.spec_n);
-					if (tries > maxtries) {
-						amutex_unlock(p->lock);
-						return inst_protocol_error;
-					}
-					continue;		/* Retry the fetch and parse */
+					a1logd(p->log, 1, "specbos_read_sample: failed to parse spectra '%s' at %d/%d\n",cp,i+1,val->sp.spec_n);
+					goto try_again;		/* Retry the fetch and parse */
 				}
 				*ncp = '\000';
 				if (i >= 0) {
-					a1logd(p->log, 6, "sample %d/%d got %f from '%s'\n",i+1,val->sp.spec_n,atof(cp),cp);
-					val->sp.spec[i] = 1000.0 * atof(cp);	/* Convert to mW/m^2/nm */
+					double wl, sp = -1e6;
+					if (p->model == 1501 || p->model == 1511) {
+						if (sscanf(cp, "%lf %lf", &wl, &sp) != 2)
+							sp = -1e6;
+					} else {
+						if (sscanf(cp, "%lf", &sp) != 1)
+							sp = -1e6;
+					}
+					if (sp == -1e6) {
+						a1logd(p->log, 1, "specbos_read_sample: failed to parse spectra '%s' at %d/%d\n",cp,i+1,val->sp.spec_n);
+						goto try_again;		/* Retry the fetch and parse */
+					}
+					a1logd(p->log, 6, "sample %d/%d got %f from '%s'\n",i+1,val->sp.spec_n,sp,cp);
+					val->sp.spec[i] = 1000.0 * sp;	/* Convert to mW/m^2/nm */
 					if (p->mode & inst_mode_ambient)
 						val->mtype = inst_mrt_ambient;
 				}
@@ -855,11 +1192,127 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 			}
 			/* We've parsed correctly, so don't retry */
 			break;
+
+		  try_again:;
+		}
+		if (tries >= maxtries) {
+			a1logd(p->log, 1, "specbos_fcommand: ran out of retries\n");
+			amutex_unlock(p->lock);
+			return inst_protocol_error;
 		}
 		a1logd(p->log, 1, "specbos_read_sample: got total %d samples/%d expected in %d tries\n",i,val->sp.spec_n, tries);
+
 	}
 	amutex_unlock(p->lock);
 
+	/* Emulate transmission mode */
+	if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission) {
+		int i;
+
+		if (p->trans_white.spec_n != val->sp.spec_n
+		 || p->trans_white.spec_wl_short != val->sp.spec_wl_short
+		 || p->trans_white.spec_wl_long != val->sp.spec_wl_long) {
+			a1logd(p->log, 1, "specbos_read_sample: Emulated transmission mode got mismatched white ref. !");
+			return specbos_interp_code((inst *)p, SPECBOS_INTERNAL_ERROR);
+		}
+
+		for (i = 0; i < p->trans_white.spec_n; i++) {
+			double vv;
+
+			if ((p->trans_white.spec[i] * 3.0) < val->sp.spec[i]) {
+				val->sp.spec[i] = 0.0;
+			} else {
+				val->sp.spec[i] = 100.0 * val->sp.spec[i]/p->trans_white.spec[i];
+			}
+		}
+		val->sp.norm = 100.0;
+
+		/* Do some filtering of the short wavelengths. */
+		/* (This is really compensating for lower instrument sensitivity */
+		/* and an assumed 'A' type illuminant source.) */
+		{
+			int i, ii, j, k;
+			double w, ifw, fw, nn;
+			double wl, we, vv;
+			xspect ts = val->sp;		/* Structure  copy */
+			double refl;
+	
+			/* Do a linear regression to establish and end reflection value */
+			{
+				double s = 0.0, sxx = 0.0, sy = 0.0, sx = 0.0, sxy = 0.0;
+	
+				ii = XSPECT_XIX(&val->sp, 400.0);		/* End index */
+				for (i = 0; i < ii; i++) {
+					s++;
+					sxx += i * i;
+					sx += i;
+					sy += ts.spec[i];
+					sxy += i * ts.spec[i];
+				}
+				refl = (sxx * sy - sx * sxy)/(s * sxx - sx * sx); 
+//printf("~1 [0] = %f, linear regression = %f\n",ts.spec[0],refl);
+			}
+	
+			ii = XSPECT_XIX(&val->sp, 500.0);		/* End index */
+			ifw = 5.0;								/* Initial +/-width */
+			for (i = 0; i < ii; i++) {
+				wl = XSPECT_XWL(&val->sp, i);
+				vv = (ii - i)/(double)ii;				/* Reduce width as we increase center wl */
+				fw = pow(vv, 1.7) * ifw;
+				w = nn = vv = 0.0;
+	
+				/* Scan down */
+				for (j = 0; ; j++) {
+					w = wl - XSPECT_XWL(&val->sp, i - j);	/* Offset we're at */
+					if (w >= fw)
+						break;
+	
+					we = fw - w;
+					we = sqrt(we);
+					nn += we;
+	
+					if ((i - j) < 0) {	/* Reflect */
+						vv += we * (2.0 * refl - ts.spec[i + j]);
+					} else {
+						vv += we * ts.spec[i - j];
+					}
+				}
+	
+				/* Scan up */
+				for (j = 0; ; j++) {
+					w = XSPECT_XWL(&val->sp, i + j) - wl;	/* Offset we're at */
+					if (w >= fw)
+						break;
+					we = fw - w;
+					we = sqrt(we);
+					nn += we;
+					vv += we * ts.spec[i + j];
+				}
+				vv /= nn;
+				val->sp.spec[i] = vv;
+			}
+		}
+
+		/* Convert to XYZ */
+		if (p->conv == NULL) {
+			p->conv = new_xsp2cie(icxIT_D50, NULL, icxOT_CIE_1931_2, NULL, icSigXYZData,
+			                                                                  icxNoClamp);
+			if (p->conv == NULL) {
+				a1logd(p->log, 1, "specbos_read_sample: Emulated transmission new_xsp2cie() failed");
+				return specbos_interp_code((inst *)p, SPECBOS_INTERNAL_ERROR);
+			}
+		}
+		p->conv->convert(p->conv, val->XYZ, &val->sp);
+		if (clamp)
+			icmClamp3(val->XYZ, val->XYZ);
+		val->XYZ_v = 1;
+		val->XYZ[0] *= 100.0;
+		val->XYZ[1] *= 100.0;
+		val->XYZ[2] *= 100.0;
+
+		val->mtype = inst_mrt_transmissive;
+	}
+
 
 	if (user_trig)
 		return inst_user_trig;
@@ -879,17 +1332,36 @@ specbos_imp_set_refresh(specbos *p) {
 	/* Set synchronised read if we should do so */
 	if (p->refrmode != 0 && p->refrvalid) {
 		char mes[100];
-		if ((rv = specbos_command(p, "*conf:cycmod 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-			return rv;
+		if (p->model == 1501 || p->model == 1511) {
+			if ((rv = specbos_command(p, "*para:syncmod 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				return rv;
+			}
+		} else {
+			if ((rv = specbos_command(p, "*conf:cycmod 1\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				return rv;
+			}
 		}
-		sprintf(mes,"*conf:cyctim %f\r",p->refperiod * 1e6);
-		if ((rv = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-			return rv;
+		if (p->model == 1501 || p->model == 1511) {
+			sprintf(mes,"*para:syncfreq %f\r",1.0/p->refperiod);
+			if ((rv = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				return rv;
+			}
+		} else {
+			sprintf(mes,"*conf:cyctim %f\r",p->refperiod * 1e6);
+			if ((rv = specbos_command(p, mes, buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				return rv;
+			}
 		}
 		a1logd(p->log,5,"specbos_imp_set_refresh set refresh rate to %f Hz\n",1.0/p->refperiod);
 	} else {
-		if ((rv = specbos_command(p, "*conf:cycmod 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
-			return rv;
+		if (p->model == 1501 || p->model == 1511) {
+			if ((rv = specbos_command(p, "*para:syncmod 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				return rv;
+			}
+		} else {
+			if ((rv = specbos_command(p, "*conf:cycmod 0\r", buf, MAX_MES_SIZE, 1.0)) != inst_ok) {
+				return rv;
+			}
 		}
 		a1logd(p->log,5,"specbos_imp_set_refresh set non-refresh mode\n");
 	}
@@ -920,16 +1392,32 @@ double *ref_rate
 		return rv;
 	}
 
-	if ((ec = specbos_fcommand(p, "*contr:cyctim 200 4000\r", buf, MAX_MES_SIZE, 5.0, 1, 2, 0)) != SPECBOS_OK) {
-		return specbos_interp_code((inst *)p, ec);
+	if (p->model == 1501 || p->model == 1511) {
+		if ((ec = specbos_fcommand(p, "*meas:flic\r", buf, MAX_MES_SIZE, 30.0, 1, trefr, 0)) != SPECBOS_OK) {
+			return specbos_interp_code((inst *)p, ec);
+		}
+	} else {
+		if ((ec = specbos_fcommand(p, "*contr:cyctim 200 4000\r", buf, MAX_MES_SIZE, 5.0, 1, trefr, 0)) != SPECBOS_OK) {
+			return specbos_interp_code((inst *)p, ec);
+		}
 	}
 
-	if ((cp = strchr(buf, 'c')) == NULL)
-		cp = buf;
-	if (sscanf(cp, "cyctim[ms]: %lf ", &refperiod) != 1) {
-		a1logd(p->log, 1, "specbos_imp_measure_refresh rate: failed to parse string '%s'\n",icoms_fix(buf));
-		*ref_rate = 0.0;
-		return inst_misread;
+	if (p->model == 1501 || p->model == 1511) {
+		double ffreq;
+		if (sscanf(buf+1, "%lf ", &ffreq) != 1) {
+			a1logd(p->log, 1, "specbos_imp_measure_refresh rate: failed to parse string '%s'\n",icoms_fix(buf));
+			*ref_rate = 0.0;
+			return inst_misread;
+		}
+		refperiod = 1000.0/ffreq;
+	} else {
+		if ((cp = strchr(buf, 'c')) == NULL)
+			cp = buf;
+		if (sscanf(cp, "cyctim[ms]: %lf ", &refperiod) != 1) {
+			a1logd(p->log, 1, "specbos_imp_measure_refresh rate: failed to parse string '%s'\n",icoms_fix(buf));
+			*ref_rate = 0.0;
+			return inst_misread;
+		}
 	}
 
 	if (refperiod == 0.0)
@@ -1033,6 +1521,12 @@ static inst_code specbos_get_n_a_cals(inst *pp, inst_cal_type *pn_cals, inst_cal
 		a_cals |= inst_calt_ref_freq;
 	}
 
+	if ((p->mode & inst_mode_illum_mask) == inst_mode_transmission) {
+		if (p->trans_white.spec_n == 0)
+			n_cals |= inst_calt_trans_vwhite;
+		a_cals |= inst_calt_trans_vwhite;
+	}
+
 	if (pn_cals != NULL)
 		*pn_cals = n_cals;
 
@@ -1047,6 +1541,7 @@ inst_code specbos_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	specbos *p = (specbos *)pp;
@@ -1058,11 +1553,14 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = specbos_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
 		return ev;
 
+	a1logd(p->log,4,"specbos_calibrate: needed 0x%x, avaialble 0x%x\n",needed, available);
+
 	/* Translate inst_calt_all/needed into something specific */
 	if (*calt == inst_calt_all
 	 || *calt == inst_calt_needed
@@ -1082,6 +1580,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 
 	/* See if it's a calibration we understand */
 	if (*calt & ~available & inst_calt_all_mask) { 
+		a1logd(p->log,4,"specbos_calibrate: not a calibration we understand\n");
 		return inst_unsupported;
 	}
 
@@ -1100,6 +1599,65 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 
 		*calt &= ~inst_calt_ref_freq;
 	}
+
+	/* If we are doing a transmission white reference calibrate */
+	if ((*calt & inst_calt_trans_vwhite) != 0
+	 && (*calc & inst_calc_cond_mask) == inst_calc_man_trans_white
+	 && (p->mode & inst_mode_illum_mask) == inst_mode_transmission) {
+		inst_mode cmode = p->mode;
+		int i;
+		ipatch val;
+
+		a1logd(p->log,4,"specbos_calibrate: doing transmission white calib\n");
+
+		if (p->mode & inst_mode_ambient)
+			p->mode = inst_mode_emis_ambient | inst_mode_spectral; 
+		else
+			p->mode = inst_mode_emis_tele | inst_mode_spectral; 
+		p->doing_cal = 1;
+
+		/* Set to average 50 readings */
+		if ((ev = set_average(p, 50, 1)) != inst_ok)
+			return ev;
+
+		if ((ev = specbos_read_sample(pp, "Transmission White", &val, 0)) != inst_ok) {
+			a1logd(p->log,1,"specbos_calibrate: Transmission white cal failed with 0x%x\n",ev);
+			p->mode = cmode;
+			p->doing_cal = 0;
+			set_average(p, 1, 1);
+			return ev;
+		}
+		p->trans_white = val.sp; /* Struct copy */
+
+		/* Restore average */
+		if ((ev = set_average(p, 1, 1)) != inst_ok)
+			return ev;
+
+		// ~~~~9999 check white quality
+		
+		*calt &= ~inst_calt_trans_vwhite;
+
+		p->mode = cmode;
+		p->doing_cal = 0;
+	}
+
+	/* Make sure there's the right condition for any remaining calibrations. */
+	if (*calt & inst_calt_trans_vwhite) {/* Transmissvice white for emulated transmission */
+		*idtype = inst_calc_id_none;
+		id[0] = '\000';
+		if ((*calc & inst_calc_cond_mask) != inst_calc_man_trans_white) {
+			*calc = inst_calc_man_trans_white;
+			a1logd(p->log,4,"specbos_calibrate: needs calc 0x%x\n",*calc);
+			return inst_cal_setup;
+		}
+	}
+
+	/* Go around again if we've still got calibrations to do */
+	if (*calt & inst_calt_all_mask) {
+		a1logd(p->log,4,"specbos_calibrate: more calibrations to do\n");
+		return inst_cal_setup;
+	}
+	
 	return inst_ok;
 }
 
@@ -1361,6 +1919,7 @@ specbos_interp_code(inst *pp, int ec) {
 
 		case SPECBOS_OVEREXPOSED:
 		case SPECBOS_UNDEREXPOSED:
+		case SPECBOS_ADAPT_INT_TIME:
 			return inst_misread | ec;
 
 		case SPECBOS_PASSWORD:
@@ -1368,7 +1927,6 @@ specbos_interp_code(inst *pp, int ec) {
 		case SPECBOS_USERFILE_CHSUM:
 		case SPECBOS_USERFILE2_CHSUM:
 		case SPECBOS_USERFILE2_ARG:
-		case SPECBOS_ADAPT_INT_TIME:
 		case SPECBOS_NO_SHUTTER:
 		case SPECBOS_NO_DARK_MEAS:
 		case SPECBOS_NO_REF_MEAS:
@@ -1434,6 +1992,8 @@ specbos_del(inst *pp) {
 		if (p->icom != NULL)
 			p->icom->del(p->icom);
 		amutex_del(p->lock);
+		if (p->conv != NULL)
+			p->conv->del(p->conv);
 		p->vdel(pp);
 		free(p);
 	}
@@ -1449,13 +2009,18 @@ inst3_capability *pcap3) {
 	inst2_capability cap2 = 0;
 
 	cap1 |= inst_mode_emis_tele
-	     |  inst_mode_ambient
+	     |  inst_mode_trans_spot		/* Emulated transmission mode diffuse/90 */
+	     |  inst_mode_trans_spot_a		/* Emulated transmission mode 90/diffuse */
 	     |  inst_mode_colorimeter
 	     |  inst_mode_spectral
 	     |  inst_mode_emis_refresh_ovd
 	     |  inst_mode_emis_norefresh_ovd
 	        ;
 
+	if (p->model != 1501 && p->model != 1511) {
+		cap1 |= inst_mode_ambient;
+	}
+
 	/* can inst2_has_sensmode, but not report it asynchronously */
 	cap2 |= inst2_prog_trig
 	     |  inst2_user_trig
@@ -1500,9 +2065,13 @@ int *conf_ix
 	 || *conf_ix > 1) {
 		/* Return current configuration measrement modes */
 		amutex_lock(p->lock);
-		if ((ev = specbos_get_diffpos(p, &pos, 0)) != inst_ok) {
-			amutex_unlock(p->lock);
-			return ev;
+		if (p->model != 1501 && p->model != 1511) {
+			if ((ev = specbos_get_diffpos(p, &pos, 0)) != inst_ok) {
+				amutex_unlock(p->lock);
+				return ev;
+			}
+		} else {
+			pos = 0;	/* 1501 & 1511 only have emssion */
 		}
 		amutex_unlock(p->lock);
 	} else {
@@ -1534,6 +2103,7 @@ int *conf_ix
 
 /* Check device measurement mode */
 static inst_code specbos_check_mode(inst *pp, inst_mode m) {
+	specbos *p = (specbos *)pp;
 	inst_mode cap;
 
 	if (!pp->gotcoms)
@@ -1547,9 +2117,17 @@ static inst_code specbos_check_mode(inst *pp, inst_mode m) {
 	if (m & ~cap)
 		return inst_unsupported;
 
-	/* Only tele emission mode supported */
+	/* 1501 doesn't support ambient */
+	if ((p->model == 1501 || p->model == 1511)
+	 &&	IMODETST(m, inst_mode_emis_ambient)) {
+		return inst_unsupported;
+	}
+
+	/* Only tele emission, ambient and (emulated) transmision modes supported */
 	if (!IMODETST(m, inst_mode_emis_tele)
-	 && !IMODETST(m, inst_mode_emis_ambient)) {
+	 && !IMODETST(m, inst_mode_trans_spot)
+	 && !IMODETST(m, inst_mode_trans_spot_a)
+	 &&	!IMODETST(m, inst_mode_emis_ambient)) {
 		return inst_unsupported;
 	}
 
@@ -1562,12 +2140,13 @@ static inst_code specbos_set_mode(inst *pp, inst_mode m) {
 	int refrmode;
 	inst_code ev;
 
-	if ((ev = specbos_check_mode(pp, m)) != inst_ok)
+	if ((ev = specbos_check_mode(pp, m)) != inst_ok) {
+		a1logd(p->log,1,"specbos_set_mode 0x%x invalid\n",m);
 		return ev;
+	}
 
 	p->mode = m;
 
-
 	if (p->model != 1201) {		/* Can't set refresh mode on 1201 */
 
 		/* Effective refresh mode may change */
@@ -1714,8 +2293,7 @@ static inst_code specbos_set_disptype(inst *pp, int ix) {
  * error if it hasn't been initialised.
  */
 static inst_code
-specbos_get_set_opt(inst *pp, inst_opt_type m, ...)
-{
+specbos_get_set_opt(inst *pp, inst_opt_type m, ...) {
 	specbos *p = (specbos *)pp;
 	char buf[MAX_MES_SIZE];
 	inst_code ev = inst_ok;
@@ -1790,7 +2368,17 @@ specbos_get_set_opt(inst *pp, inst_opt_type m, ...)
 	if (!p->inited)
 		return inst_no_init;
 
-	return inst_unsupported;
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/specbos.h b/spectro/specbos.h
index e926c42..5c89fd5 100644
--- a/spectro/specbos.h
+++ b/spectro/specbos.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Fake Error codes */
 #define SPECBOS_INTERNAL_ERROR			0xff01		/* Internal software error */
 #define SPECBOS_TIMEOUT				    0xff02		/* Communication timeout */
@@ -122,11 +126,15 @@
 struct _specbos {
 	INST_OBJ_BASE
 
+	int bt;						/* Bluetooth coms rather than USB/serial flag */
+
 	amutex lock;				/* Command lock */
 
-	int model;					/* JETI specbos model number */
+	int model;					/* JETI specbos/spectraval model number */
 								/* 1201 */
 								/* 1211 */
+								/* 1501 */
+								/* 1511 - has display */
 
 	int noXYZ;					/* nz if firmware doesn't support fetch*XYZ */
 	int badCal;					/* nz if its been calibrated with a reduced WL range by 3rd party */
@@ -147,6 +155,10 @@ struct _specbos {
 	double wl_short;
 	double wl_long;
 
+	xspect trans_white;			/* Synthetic transmission mode white reference */
+	xsp2cie *conv;				/* transmission spectral to XYZ conversion */
+	int doing_cal;				/* Flag - doing internal calibration measure */
+
 	/* Other state */
 	athread *th;                /* Diffuser position monitoring thread */
 	volatile int th_term;		/* nz to terminate thread */
@@ -159,6 +171,9 @@ struct _specbos {
 /* Constructor */
 extern specbos *new_specbos(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
 
 #define SPECBOS_H
 #endif /* SPECBOS_H */
diff --git a/spectro/spotread.c b/spectro/spotread.c
index baf1c76..c5ac955 100644
--- a/spectro/spotread.c
+++ b/spectro/spotread.c
@@ -64,7 +64,7 @@
 #include "ccss.h"
 #include "ccmx.h"
 #include "instappsup.h"
-#ifdef ENABLE_USB
+#if !defined(NOT_ALLINSTS) || defined(EN_SPYD2)
 # include "spyd2.h"
 #endif
 
@@ -285,10 +285,12 @@ usage(char *diag, ...) {
 			for (i = 0; ; i++) {
 				if (paths[i] == NULL)
 					break;
+#if !defined(NOT_ALLINSTS) || defined(EN_SPYD2)
 				if ((paths[i]->itype == instSpyder1 && setup_spyd2(0) == 0)
 				 || (paths[i]->itype == instSpyder2 && setup_spyd2(1) == 0))
 					fprintf(stderr,"    %d = '%s' !! Disabled - no firmware !!\n",i+1,paths[i]->name);
 				else
+#endif
 					fprintf(stderr,"    %d = '%s'\n",i+1,paths[i]->name);
 			}
 		} else
@@ -329,6 +331,7 @@ usage(char *diag, ...) {
 	fprintf(stderr,"    6                  D65\n");
 	fprintf(stderr,"    u                  U.V. Cut\n");
 	fprintf(stderr," -E extrafilterfile   Apply extra filter compensation file\n");
+	fprintf(stderr," -A N|A|X|G           XRGA conversion (default N)\n");
 	fprintf(stderr," -x                   Display Yxy instead of Lab\n");
 	fprintf(stderr," -h                   Display LCh instead of Lab\n");
 	fprintf(stderr," -V                   Show running average and std. devation from ref.\n");
@@ -344,10 +347,17 @@ usage(char *diag, ...) {
 	if (cap2 & inst2_ccss) {
 		fprintf(stderr," -X file.ccss         Use Colorimeter Calibration Spectral Samples for calibration\n");
 	}
+#ifndef SALONEINSTLIB
+	fprintf(stderr," -R fname.sp          Preset reference to spectrum\n");
+#endif
 	fprintf(stderr," -Y r|n               Override refresh, non-refresh display mode\n");
 	fprintf(stderr," -Y R:rate            Override measured refresh rate with rate Hz\n");
 	fprintf(stderr," -Y A                 Use non-adaptive integration time mode (if available).\n");
+	fprintf(stderr," -Y l|L               Test for i1Pro Lamp Drift (l), and remediate it (L)\n");
 //	fprintf(stderr," -Y U                 Test i1pro2 UV measurement mode\n");
+#ifndef SALONEINSTLIB
+	fprintf(stderr," -Y W:fname.sp        Save white tile ref. spectrum to file\n");
+#endif	/* !SALONEINSTLIB */
 	fprintf(stderr," -W n|h|x             Override serial port flow control: n = none, h = HW, x = Xon/Xoff\n");
 	fprintf(stderr," -D [level]           Print debug diagnostics to stderr\n");
 	fprintf(stderr," logfile              Optional file to save reading results as text\n");
@@ -373,7 +383,9 @@ int main(int argc, char *argv[]) {
 	int tele = 0;					/* 1 = Use telephoto emissive sub-mode. */
 	int ambient = 0;				/* 1 = Use ambient emissive mode, 2 = ambient flash mode */
 	int highres = 0;				/* Use high res mode if available */
+	int lampdrift = 0;				/* i1Pro Lamp Drift test (1) & fix (2) */
 	int uvmode = 0;					/* ~~~ i1pro2 test mode ~~~ */
+	xcalstd calstd = xcalstd_none;	/* X-Rite calibration standard */
 	int refrmode = -1;				/* -1 = default, 0 = non-refresh mode, 1 = refresh mode */
 	double refrate = 0.0;			/* 0.0 = default, > 0.0 = override refresh rate */ 
 	int nadaptive = 0;				/* Use non-apative mode if available */
@@ -387,6 +399,8 @@ int main(int argc, char *argv[]) {
 	char outname[MAXNAMEL+1] = "\000";  /* Output logfile name */
 	char ccxxname[MAXNAMEL+1] = "\000";  /* Colorimeter Correction/Colorimeter Calibration name */
 	char filtername[MAXNAMEL+1] = "\000";  /* Filter compensation */
+	char wtilename[MAXNAMEL+1] = "\000";  /* White file spectrum */
+	char psetrefname[MAXNAMEL+1] = "\000";  /* Preset reference spectrum */
 	FILE *fp = NULL;				/* Logfile */
 	icompaths *icmps = NULL;
 	int comport = COMPORT;				/* COM port used */
@@ -529,12 +543,21 @@ int main(int argc, char *argv[]) {
 					tillum_set = spec = 1;
 					tillum = icxIT_F10;
 				} else {	/* Assume it's a filename */
+					inst_meas_type mt;
+
 					tillum_set = spec = 1;
 					tillum = icxIT_custom;
-					if (read_xspect(&cust_tillum, na) != 0)
+					if (read_xspect(&cust_tillum, &mt, na) != 0)
 						usage("Failed to read custom target illuminant spectrum in file '%s'",na);
+
+					if (mt != inst_mrt_none
+					 && mt != inst_mrt_emission
+					 && mt != inst_mrt_ambient
+					 && mt != inst_mrt_emission_flash
+					 && mt != inst_mrt_ambient_flash)
+						error("Target illuminant '%s' is wrong measurement type",na);
 				}
-#endif /* SALONEINSTLIB */
+#endif /* !SALONEINSTLIB */
 
 			/* Spectral Illuminant type for XYZ computation */
 			} else if (argv[fa][1] == 'i') {
@@ -566,10 +589,19 @@ int main(int argc, char *argv[]) {
 					illum_set = spec = 1;
 					illum = icxIT_F10;
 				} else {	/* Assume it's a filename */
+					inst_meas_type mt;
+
 					illum_set = spec = 1;
 					illum = icxIT_custom;
-					if (read_xspect(&cust_illum, na) != 0)
+					if (read_xspect(&cust_illum, &mt, na) != 0)
 						usage("Unable to read custom illuminant file '%s'",na);
+
+					if (mt != inst_mrt_none
+					 && mt != inst_mrt_emission
+					 && mt != inst_mrt_ambient
+					 && mt != inst_mrt_emission_flash
+					 && mt != inst_mrt_ambient_flash)
+						error("Custom illuminant '%s' is wrong measurement type",na);
 				}
 #else /* SALONEINSTLIB */
 				} else
@@ -600,7 +632,7 @@ int main(int argc, char *argv[]) {
 				emiss = 0;
 				trans = 1;
 				tele = 0;
-				ambient = 0;
+				ambient = 0;		/* Default normal diffuse/90 geometry trans. */
 
 			/* Request emissive measurement */
 			} else if (argv[fa][1] == 'e' || argv[fa][1] == 'd') {
@@ -642,10 +674,14 @@ int main(int argc, char *argv[]) {
 
 			/* Request ambient measurement */
 			} else if (argv[fa][1] == 'a') {
-				emiss = 1;
-				trans = 0;
-				tele = 0;
-				ambient = 1;
+				if (trans) {
+					ambient = 1;		/* Alternate 90/diffuse geometry */
+				} else {
+					emiss = 1;
+					trans = 0;
+					tele = 0;
+					ambient = 1;
+				}
 
 			/* Request ambient flash measurement */
 			} else if (argv[fa][1] == 'f') {
@@ -675,6 +711,21 @@ int main(int argc, char *argv[]) {
 				if (na == NULL) usage("Paramater expected following -E");
 				strncpy(filtername,na,MAXNAMEL-1); filtername[MAXNAMEL-1] = '\000';
 
+			/* XRGA conversion */
+			} else if (argv[fa][1] == 'A') {
+				fa = nfa;
+				if (na == NULL) usage("Paramater expected following -A");
+				if (na[0] == 'N')
+					calstd = xcalstd_none;
+				else if (na[0] == 'A')
+					calstd = xcalstd_xrga;
+				else if (na[0] == 'X')
+					calstd = xcalstd_xrdi;
+				else if (na[0] == 'G')
+					calstd = xcalstd_gmdi;
+				else
+					usage("Paramater after -A '%c' not recognized",na[0]);
+
 			/* Show Yxy */
 			} else if (argv[fa][1] == 'x') {
 				doYxy = 1;
@@ -725,6 +776,15 @@ int main(int argc, char *argv[]) {
 				if (na == NULL) usage("Parameter expected after -K");
 				strncpy(ccxxname,na,MAXNAMEL-1); ccxxname[MAXNAMEL-1] = '\000';
 
+#ifndef SALONEINSTLIB
+			/* Preset reference spectrum */
+			} else if (argv[fa][1] == 'R') {
+				fa = nfa;
+				if (na == NULL)
+					usage("-R fname.sp syntax incorrect");
+				strncpy(psetrefname,na,MAXNAMEL-1); psetrefname[MAXNAMEL-1] = '\000';
+#endif
+
 			/* Extra flags */
 			} else if (argv[fa][1] == 'Y') {
 				if (na == NULL)
@@ -742,9 +802,25 @@ int main(int argc, char *argv[]) {
 					refrate = atof(na+2);
 					if (refrate < 5.0 || refrate > 150.0)
 						usage("-Y R:rate %f Hz not in valid range",refrate);
+
+#ifndef SALONEINSTLIB
+				/* Save white tile reference spectrum to a file */
+				} else if (na[0] == 'W') {
+					if (na[1] != ':')
+						usage("-Y W:fname.sp syntax incorrect");
+						strncpy(wtilename,&na[2],MAXNAMEL-1); wtilename[MAXNAMEL-1] = '\000';
+#endif	/* !SALONEINSTLIB */
+
+				/* i1Pro lamp drift test & fix */
+				} else if (na[0] == 'l') {
+					lampdrift = 1;
+				} else if (na[0] == 'L') {
+					lampdrift = 2;
+
 				/* ~~~ i1pro2 test code ~~~ */
 				} else if (na[0] == 'U') {
 					uvmode = 1;
+
 				} else {
 					usage("-Y parameter '%c' not recognised",na[0]);
 				}
@@ -755,7 +831,7 @@ int main(int argc, char *argv[]) {
 				fa = nfa;
 				if (na == NULL) usage("Parameter expected after -W");
 				if (na[0] == 'n' || na[0] == 'N')
-					fc = fc_none;
+					fc = fc_None;
 				else if (na[0] == 'h' || na[0] == 'H')
 					fc = fc_Hardware;
 				else if (na[0] == 'x' || na[0] == 'X')
@@ -850,6 +926,135 @@ int main(int argc, char *argv[]) {
 		return -1;
 	}
 	
+	/* Check i1Pro lamp drift, and remediate if it is too large */
+	/* (Hmm. If cooltime is too long, drift appears to be worse
+	    after remediation. It's not clear why, but it returns
+	    to expected values once instrument has truly cooled down (i.e. 2+min ?)
+	 */
+	if (lampdrift) {
+		int pass = 0;
+		double remtime = 0.0;
+		int cooltime = 30;
+
+		if (it->itype != instI1Pro
+		 && it->itype != instI1Pro2) {
+			printf("LampDrift is only applicable to i1Pro instrument");
+		}
+
+		/* Disable initial calibration of machine if selected */
+		if (nocal != 0) {
+			if ((rv = it->get_set_opt(it,inst_opt_noinitcalib, 0)) != inst_ok) {
+				printf("Setting no-initial calibrate failed with '%s' (%s)\n",
+			       it->inst_interp_error(it, rv), it->interp_error(it, rv));
+				printf("Disable initial-calibrate not supported\n");
+			}
+		}
+
+		if ((rv = it->get_set_opt(it, inst_opt_trig_prog)) != inst_ok)
+			error("Setting trigger mode failed with error :'%s' (%s)",
+	       	       it->inst_interp_error(it, rv), it->interp_error(it, rv));
+
+		for (pass = 0; pass < 2; pass++) {
+			ipatch val;
+			double dl, maxdl = -100.0, de, maxde = -100.0;
+			int ii;
+
+			printf("\nDoing Lamp Drift check - place instrument on calibration tile\n");
+
+			/* Do any needed calibration before the user places the instrument on a desired spot */
+			if (it->needs_calibration(it) & inst_calt_n_dfrble_mask) {
+				inst_code ev;
+
+				printf("\nNeed a calibration before continuing\n");
+
+				ev = inst_handle_calibrate(it, inst_calt_needed, inst_calc_none, NULL, NULL, doone);
+				if (ev != inst_ok) {	/* Abort or fatal error */
+					error("Got abort or error from calibration");
+				}
+			}
+
+#ifndef NEVER
+			/* Ensure lamp has cooled down */
+			printf("\nAllowing lamp to cool\n");
+			for (i = cooltime; i > 0; i--) {
+				msec_sleep(1000);
+				printf("\r%d ",i); fflush(stdout);
+			}
+			printf("\r0 \n");
+#endif
+	
+			printf("\nChecking Lamp Drift\n");
+			/* Measure 1 spot and save as ref */
+			if ((rv = it->read_sample(it, "SPOT", &val, instNoClamp)) != inst_ok) {
+				error("Read sample failed with '%s' (%s)",
+				       it->inst_interp_error(it, rv), it->interp_error(it, rv));
+			}
+			if (val.XYZ_v == 0) error("Instrument didn't return XYZ value");
+			icmXYZ2Lab(&icmD50_100, rLab, val.XYZ);
+	
+			// Until measurement is stable, or 30 measurements
+			// Read and save max DE
+
+			/* 30 trials, or no new biggest in 4 measurements */
+			for (ii = 100, i = 0; i < 40 && (i < 10 || (i - ii) < 6) ; i++) {
+				if ((rv = it->read_sample(it, "SPOT", &val, instNoClamp)) != inst_ok) {
+					error("Read sample failed with '%s' (%s)",
+					       it->inst_interp_error(it, rv), it->interp_error(it, rv));
+				}
+				if (val.XYZ_v == 0) error("Instrument didn't return XYZ value");
+				icmXYZ2Lab(&icmD50_100, Lab, val.XYZ);
+
+				dl = Lab[0] - rLab[0]; 
+				de = icmLabDE(Lab, rLab);
+
+				/* Keep going while dl is rising */
+				if (dl > maxdl) {
+					maxdl = dl;
+					ii = i;
+				}
+				if (de > maxde) {
+					maxde = de;
+					printf("\r%1.3f DE",de); fflush(stdout);
+				}
+			}
+	
+			// Print DE
+//			printf("\nLamp Drift Delta E = %f\n",maxde);
+
+			if (lampdrift == 1) {
+				printf("\nDrift test complete - %s\n", maxde >= 0.09 ? "Needs Fixing!" : "OK");
+				break;
+			}
+
+			if (pass > 0) {
+				printf("\nDrift test & fix complete\n");
+				break;
+			}
+	
+			if (maxde >= 0.09) 
+				remtime = 60.0;
+			else if (maxde >= 0.12)
+				remtime = 90.0;
+			else if (maxde > 0.20)
+				remtime = 120.0;
+	
+			if (remtime > 0.0) {
+				printf("\nDoing %.0f seconds of remediation\n",remtime);
+				// Do remediation */
+				if ((rv = it->get_set_opt(it, inst_opt_lamp_remediate, remtime)) != inst_ok) {
+					error("Remediating Lamp Drift failed with error :'%s' (%s)\n",
+			       	       it->inst_interp_error(it, rv), it->interp_error(it, rv));
+				}
+				cooltime = 45;
+			} else {
+				printf("\nDrift is OK\n");
+				break;
+			}
+		}
+		
+		goto done;
+	}
+
 	/* Configure the instrument mode */
 	{
 		int ccssset = 0;
@@ -873,17 +1078,26 @@ int main(int argc, char *argv[]) {
 		}
 
 		if (trans) {
-			if (!IMODETST(cap, inst_mode_trans_spot)
-			 || it->check_mode(it, inst_mode_trans_spot) != inst_ok) {
-				printf("Need transmission spot capability,\n");
-				printf("and instrument doesn't support it\n");
-				it->del(it);
-				return -1;
+			/* Alternate geometry - 90/diffuse */
+			if (ambient) {
+				if (it->check_mode(it, inst_mode_trans_spot_a) != inst_ok) {
+					printf("Need transmission spot (alt) capability,\n");
+					printf("and instrument doesn't support it\n");
+					it->del(it);
+					return -1;
+				}
+			/* Normal geometry - diffuce/90 */
+			} else {
+				if (it->check_mode(it, inst_mode_trans_spot) != inst_ok) {
+					printf("Need transmission spot capability,\n");
+					printf("and instrument doesn't support it\n");
+					it->del(it);
+					return -1;
+				}
 			}
 
 		} else if (ambient == 1) {
-			if (!IMODETST(cap, inst_mode_emis_ambient)
-			 || it->check_mode(it, inst_mode_emis_ambient) != inst_ok) {
+			if (it->check_mode(it, inst_mode_emis_ambient) != inst_ok) {
 				printf("Requested ambient light capability,\n");
 				printf("and instrument doesn't support it.\n");
 				return -1;
@@ -895,8 +1109,7 @@ int main(int argc, char *argv[]) {
 			}
 
 		} else if (ambient == 2) {
-			if (!IMODETST(cap, inst_mode_emis_ambient_flash)
-			 || it->check_mode(it, inst_mode_emis_ambient_flash) != inst_ok) {
+			if (it->check_mode(it, inst_mode_emis_ambient_flash) != inst_ok) {
 				printf("Requested ambient flash capability,\n");
 				printf("and instrument doesn't support it.\n");
 				it->del(it);
@@ -912,22 +1125,20 @@ int main(int argc, char *argv[]) {
 		} else if (emiss || tele) {
 
 			/* If there is a tele mode but no emission, use tele */
-			if (!IMODETST(cap, inst_mode_emis_spot)
-			 && IMODETST(cap, inst_mode_emis_tele)) {
+			if (it->check_mode(it, inst_mode_emis_spot) != inst_ok
+			 && it->check_mode(it, inst_mode_emis_tele) == inst_ok) {
 				tele = 1;
 			}
 
 			if (tele) {
-				if (!IMODETST(cap, inst_mode_emis_tele)
-			 || it->check_mode(it, inst_mode_emis_tele) != inst_ok) {
+				if (it->check_mode(it, inst_mode_emis_tele) != inst_ok) {
 					printf("Need telephoto spot capability\n");
 					printf("and instrument doesn't support it\n");
 					it->del(it);
 					return -1;
 				}
 			} else {
-				if (!IMODETST(cap, inst_mode_emis_spot)
-			 || it->check_mode(it, inst_mode_emis_spot) != inst_ok) {
+				if (it->check_mode(it, inst_mode_emis_spot) != inst_ok) {
 					printf("Need emissive spot capability\n");
 					printf("and instrument doesn't support it\n");
 					it->del(it);
@@ -941,16 +1152,15 @@ int main(int argc, char *argv[]) {
 					nadaptive = 0;
 				}
 			}
-			if (refrmode >= 0 && !IMODETST(cap, inst_mode_emis_refresh_ovd)
-			                  && !IMODETST(cap, inst_mode_emis_norefresh_ovd)) {
+			if (refrmode >= 0 && it->check_mode(it, inst_mode_emis_refresh_ovd) != inst_ok
+			                  && it->check_mode(it, inst_mode_emis_norefresh_ovd) != inst_ok) {
 				if (verb) {
 					printf("Requested refresh mode override and instrument doesn't support it (ignored)\n");
 					refrmode = -1;
 				}
 			}
 		} else {
-			if (!IMODETST(cap, inst_mode_ref_spot)
-			 || it->check_mode(it, inst_mode_ref_spot) != inst_ok) {
+			if (it->check_mode(it, inst_mode_ref_spot) != inst_ok) {
 				printf("Need reflection spot reading capability,\n");
 				printf("and instrument doesn't support it\n");
 				it->del(it);
@@ -1007,12 +1217,15 @@ int main(int argc, char *argv[]) {
 		/* Set it to the appropriate mode */
 
 		/* Should look at instrument type & user spec ??? */
-		if (trans)
-			smode = mode = inst_mode_trans_spot;
-		else if (ambient == 1 && IMODETST(cap, inst_mode_emis_ambient)
+		if (trans) {
+			if (ambient)
+				smode = mode = inst_mode_trans_spot_a;
+			else
+				smode = mode = inst_mode_trans_spot;
+		} else if (ambient == 1
 			 && it->check_mode(it, inst_mode_emis_ambient) == inst_ok)
 			smode = mode = inst_mode_emis_ambient;
-		else if (ambient == 2 && IMODETST(cap, inst_mode_emis_ambient_flash)
+		else if (ambient == 2
 			 && it->check_mode(it, inst_mode_emis_ambient_flash) == inst_ok)
 			smode = mode = inst_mode_emis_ambient_flash;
 		else if (tele)							// Hmm. What about tele flash ?
@@ -1021,8 +1234,7 @@ int main(int argc, char *argv[]) {
 			smode = mode = inst_mode_emis_spot;
 		else {
 			smode = mode = inst_mode_ref_spot;
-			if (IMODETST(cap, inst_mode_s_ref_spot)
-			 && it->check_mode(it, inst_mode_s_ref_spot) == inst_ok)
+			if (it->check_mode(it, inst_mode_s_ref_spot) == inst_ok)
 				smode = inst_mode_s_ref_spot;
 		}
 
@@ -1087,6 +1299,15 @@ int main(int argc, char *argv[]) {
 			}
 		}
 
+		/* set XRGA conversion */
+		if (calstd != xcalstd_none) {
+			if ((rv = it->get_set_opt(it, inst_opt_set_xcalstd, calstd)) != inst_ok) {
+				printf("Setting calibration standard not supported by instrument\n");
+				it->del(it);
+				return -1;
+			}
+		}
+
 		/* Colorimeter Correction Matrix */
 		if (ccxxname[0] != '\000') {
 			ccss *cs = NULL;
@@ -1242,6 +1463,26 @@ int main(int argc, char *argv[]) {
 		inst_set_uih(0x1b, 0x1b, DUIH_ABORT);		/* Esc */
 	}
 
+#ifndef SALONEINSTLIB
+	/* Save reference white tile reflectance spectrum */
+	if (wtilename[0] != '\000') {
+		xspect sp;
+
+		if ((rv = it->get_set_opt(it, inst_opt_get_cal_tile_sp, &sp)) != inst_ok) {
+			printf("\nGetting reference white tile spectrum failed with error :'%s' (%s)\n",
+	       	       it->inst_interp_error(it, rv), it->interp_error(it, rv));
+			it->del(it);
+			return -1;
+		}
+
+		if (write_xspect(wtilename, inst_mrt_reflective, &sp) != 0)
+			error("Failed to save spectrum to file '%s'",wtilename);
+
+		if (verb)
+			printf("Saved reference white tile spectrum to '%s'\n",wtilename);
+	}
+#endif	/* !SALONEINSTLIB */
+
 #ifdef DEBUG
 	printf("About to enter read loop\n");
 #endif
@@ -1253,9 +1494,9 @@ int main(int argc, char *argv[]) {
 		it->set_uicallback(it, uicallback, NULL);
 	}
 
-	if (spec) {
+	if (spec || psetrefname[0] != '\000') {
 		/* Any non-illuminated mode has no illuminant */
-		if (emiss || tele || ambient)
+		if (emiss || ambient)
 			illum = icxIT_none;
 
 		/* Create a spectral conversion object */
@@ -1274,6 +1515,43 @@ int main(int argc, char *argv[]) {
 		}
 	}
 
+#ifndef SALONEINSTLIB
+	/* Load preset reference spectrum */
+	if (psetrefname[0] != '\000') {
+		inst_meas_type mt;
+
+		if (read_xspect(&rsp, &mt, psetrefname) != 0)
+			error("Failed to read spectrum from file '%s'",psetrefname);
+
+		if (!emiss && !ambient) {
+			if (mt != inst_mrt_none
+			 && mt != inst_mrt_transmissive
+			 && mt != inst_mrt_reflective)
+				error("Reference reflectance spectrum '%s' is wrong measurement type",psetrefname);
+		} else {
+			if (mt != inst_mrt_none
+			 && mt != inst_mrt_emission
+			 && mt != inst_mrt_ambient
+			 && mt != inst_mrt_emission_flash
+			 && mt != inst_mrt_ambient_flash)
+				error("Reference reflectance spectrum '%s' is wrong measurement type",psetrefname);
+		}
+
+		if (verb)
+			printf("Loaded reference spectrum from '%s'\n",psetrefname);
+
+		sp2cie->convert(sp2cie, rXYZ, &rsp);
+
+		if (!(emiss || tele || ambient)) {
+			for (j = 0; j < 3; j++)
+				rXYZ[j] *= 100.0;		/* 0..100 scale */
+		}
+		icmXYZ2Lab(&icmD50_100, rLab, rXYZ);
+		if (verb)
+			printf("Preset ref. XYZ %f %f %f, Lab %f %f %f\n", rXYZ[0], rXYZ[1], rXYZ[2], rLab[0], rLab[1], rLab[2]);
+	}
+#endif
+
 	/* Hold table */
 	if (cap2 & inst2_xy_holdrel) {
 		for (;;) {		/* retry loop */
@@ -1338,8 +1616,7 @@ int main(int argc, char *argv[]) {
 
 #endif // NEVER
 
-		if (savdrd != -1 && IMODETST(cap, inst_mode_s_ref_spot)
-			 && it->check_mode(it, inst_mode_s_ref_spot) == inst_ok) {
+		if (savdrd != -1 && it->check_mode(it, inst_mode_s_ref_spot) == inst_ok) {
 			inst_stat_savdrd sv;
 
 			savdrd = 0;
@@ -1670,7 +1947,8 @@ int main(int argc, char *argv[]) {
 				break;
 			}
 			printf("\n");
-			if (it->icom->port_type(it->icom) == icomt_serial) {
+			if ((it->icom->port_type(it->icom) & icomt_serial)
+			 && !(it->icom->port_attr(it->icom) & icomt_fastserial)) {
 				/* Allow retrying at a lower baud rate */
 				int tt = it->last_scomerr(it);
 				if (tt & (ICOM_BRK | ICOM_FER | ICOM_PER | ICOM_OER)) {
@@ -1792,7 +2070,7 @@ int main(int argc, char *argv[]) {
 
 				printf("\nEnter filename (ie. xxxx.sp): "); fflush(stdout);
 				if (getns(buf, 500) != NULL && strlen(buf) > 0) {
-					if(write_xspect(buf, &tsp))
+					if(write_xspect(buf, val.mtype, &tsp))
 						printf("\nWriting file '%s' failed\n",buf);
 					else
 						printf("\nWriting file '%s' succeeded\n",buf);
@@ -2079,7 +2357,7 @@ int main(int argc, char *argv[]) {
 					ymin = 0.0;
 					ymax = 120.0;
 				}
-				do_plot_x(xx, yy, rLab[0] >= -1.0 ? yr : NULL, NULL, nn, 1,
+				do_plot_x(xx, yy, NULL, rLab[0] >= -1.0 ? yr : NULL, nn, 1,
 				          xmin, xmax, ymin, ymax, 2.0);
 			}
 #endif /* !SALONEINSTLIB */
@@ -2333,12 +2611,18 @@ int main(int argc, char *argv[]) {
 			}
 #ifndef SALONEINSTLIB
 			if (val.sp.spec_n > 0 && (ambient || doCCT)) {
-				int invalid = 0;
+				int i, invalid = 0;
 				double RR[14];
 				double cri;
 				cri = icx_CIE1995_CRI(&invalid, RR, &sp);
 				printf(" Color Rendering Index (Ra) = %.1f [ R9 = %.1f ]%s\n",
 				                       cri, RR[9-1], invalid ? " (Invalid)" : "");
+				for (i = 0; i < 14; i++) {
+					printf("  R%d%s = %.1f", i+1, i < 9 ? " " : "", RR[i]);
+					if (i == 6)
+						printf("\n");
+				}
+				printf("\n");
 			}
 			if (val.sp.spec_n > 0 && (ambient || doCCT)) {
 				int invalid = 0;
@@ -2380,6 +2664,8 @@ int main(int argc, char *argv[]) {
 
 	}	/* Next reading */
 
+done:;
+
 	/* Release paper */
 	if (cap2 & inst2_xy_holdrel) {
 		it->xy_clear(it);
diff --git a/spectro/spyd2.c b/spectro/spyd2.c
index 6833e89..85a2d7f 100644
--- a/spectro/spyd2.c
+++ b/spectro/spyd2.c
@@ -819,10 +819,12 @@ spyd2_GetReading_ll(
 		msec_sleep(500);
 		a1logd(p->log, 1, "spyd2_GetReading_ll: reading retry with ICOM err 0x%x\n",se);
 
-#ifdef DO_RESETEP				/* Do the miscelanous resetep()'s */
-		a1logd(p->log, 1, "spyd2_GetReading_ll: resetting end point\n");
-		p->icom->usb_resetep(p->icom, 0x81);
-		msec_sleep(1);			/* Let device recover ? */
+#ifdef DO_RESETEP				/* Do the miscelanous resetep()'s every second time */
+		if ((retr & 1) == 0) {
+			a1logd(p->log, 1, "spyd2_GetReading_ll: resetting end point\n");
+			p->icom->usb_resetep(p->icom, 0x81);
+			msec_sleep(1);			/* Let device recover ? */
+		}
 #endif /*  DO_RESETEP */
 	}	/* End of whole command retries */
 
@@ -2888,7 +2890,7 @@ spyd2_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 #endif
 
 	/* On OS X the Spyder 2 can't close properly */
-#if defined(__APPLE__)			/* OS X*/
+#if defined(UNIX_APPLE)			/* OS X*/
 	if (p->itype == instSpyder1
 	 || p->itype == instSpyder2) {
 		usbflags |= icomuf_reset_before_close;		/* The spyder 2 USB is buggy ? */
@@ -3255,6 +3257,7 @@ static inst_code spyd2_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	spyd2 *p = (spyd2 *)pp;
@@ -3266,6 +3269,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	if ((ev = spyd2_get_n_a_cals((inst *)p, &needed, &available)) != inst_ok)
@@ -4060,7 +4064,18 @@ spyd2_get_set_opt(inst *pp, inst_opt_type m, ...) {
 		if (trans_time_prop != NULL) *trans_time_prop = p->led_trans_time_prop;
 		return inst_ok;
 	}
-	return inst_unsupported;
+
+	/* Use default implementation of other inst_opt_type's */
+	{
+		inst_code rv;
+		va_list args;
+
+		va_start(args, m);
+		rv = inst_get_set_opt_def(pp, m, args);
+		va_end(args);
+
+		return rv;
+	}
 }
 
 /* Constructor */
diff --git a/spectro/spyd2.h b/spectro/spyd2.h
index 0588b9b..318ed7c 100644
--- a/spectro/spyd2.h
+++ b/spectro/spyd2.h
@@ -37,6 +37,10 @@
 
 #include "inst.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 /* Note: update spyd2_interp_error() and spyd2_interp_code() in spyd2.c */
 /* if anything of these #defines are added or subtracted */
 
@@ -178,5 +182,9 @@ extern spyd2 *new_spyd2(icoms *icom, instType itype);
 /* Return 1 if Spyder firmware is available */
 extern int setup_spyd2(int id);
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define SPYD2_H
 #endif /* SPYD2_H */
diff --git a/spectro/ss.c b/spectro/ss.c
index 837e264..260df4a 100644
--- a/spectro/ss.c
+++ b/spectro/ss.c
@@ -43,17 +43,20 @@
 	There is a bug or limitation with using -N to skip the calibration
 	when using any of the emissive modes - the readings end up being nearly zero.
 
+	When -N is used, doing a manual calibration (i.e. spotread 'k') doesn't
+	work.
+
 	We aren't saving the spectrolino fake tranmission white reference in
 	a calibration file, so -N doesn't work with it.
 
 	You can't trigger a calibration reading using the instrument switch.
 
-	You should be able to do use the table enter key anywhere the user
+	You should be able to use the table enter key anywhere the user
 	is asked to hit a key.
 
 	The corner positioning could be smarter.
 
-	The SpectroscanT transmission cal. merely reminds the user (vie verbose)
+	The SpectroscanT transmission cal. merely reminds the user (via verbose)
 	that it is assuming the correct apatture, rather than given them
 	a chance to change it.
 
@@ -78,6 +81,7 @@
 #include "conv.h"
 #include "icoms.h"
 #include "ss.h"
+#include "xrga.h"
 
 /* Default flow control */
 #define DEFFC fc_Hardware
@@ -97,6 +101,17 @@ char* filter_desc[] = {
 	"Custon Filter"
 };
 
+/* Filter id */
+inst_calc_id_type filter_id[] = {
+	inst_calc_id_filt_unkn,
+	inst_calc_id_filt_none,
+	inst_calc_id_filt_pol,
+	inst_calc_id_filt_D65,
+	inst_calc_id_filt_unkn,
+	inst_calc_id_filt_UV,
+	inst_calc_id_filt_cust
+};
+
 #define SS_REF_CAL_COUNT 50
 #define SS_TRANS_CAL_COUNT 10
 
@@ -165,7 +180,7 @@ ss_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		fcc1 = ss_ctt_ProtokolWithHardwareHS;
 		fcc2 = ss_hst_Hardware;
 	} else {
-		fc = fc_none;
+		fc = fc_None;
 		fcc1 = ss_ctt_ProtokolWithoutXonXoff;
 		fcc2 = ss_hst_None;
 	}
@@ -195,7 +210,7 @@ ss_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 		/* Until we time out, find the correct baud rate */
 		for (i = ci; clock() < etime;) {
 			a1logd(p->log, 4, "ss_init_coms: trying baud rate %d\n",i);
-			if ((se = p->icom->set_ser_port(p->icom, fc_none, brt[i], parity_none,
+			if ((se = p->icom->set_ser_port(p->icom, fc_None, brt[i], parity_none,
 				                                    stop_1, length_8)) != ICOM_OK) { 
 				a1logd(p->log, 1, "ss_init_coms: set_ser_port failed ICOM err 0x%x\n",se);
 				p->snerr = icoms2ss_err(se);
@@ -258,8 +273,24 @@ ss_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			return ss_inst_err(p);
 		}
 
+		/* Make sure the Spectrolino is still talking to us. */
+		ss_init_send(p);
+		ss_add_soreq(p, ss_ParameterRequest);
+		ss_command(p, SH_TMO);
+		
+		if (ss_sub_1(p) != ss_ParameterAnswer) {	/* Comms failed */
+			a1logd(p->log, 1, "ss_init_coms: spectrolino, instrument isn't communicating after final coms setup");
+			return inst_coms_fail; 
+		}
+			
 	} else {	/* Spectroscan */
 
+        /* Reset the Spectroscan, in case Spectrolino got messed up. */
+        if ((ev = ss_do_ScanInitializeDevice(p)) != inst_ok) {
+            a1logd(p->log, 1, "ss_init_coms: Spectroscan reset failed ICOM err 0x%x\n",ev);
+            return ev;
+        }
+
 		ss_do_SetDeviceOnline(p);	/* Put the device online */
 
 		/* Make sure other communication parameters are right */
@@ -275,9 +306,19 @@ ss_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			return ss_inst_err(p);
 		}
 
-		/* Make sure the Spectrolino is talking to us. */
+		/* Make sure the Spectroscan is still talking to us. */
+		ss_init_send(p);
+		ss_add_ssreq(p, ss_OutputStatus);
+		ss_command(p, SH_TMO);
+		
+		if (ss_sub_1(p) != ss_AnsPFX) {				/* Comms failed */
+			a1logd(p->log, 1, "ss_init_coms: spectroscan, instrument isn't communicating after final coms setup");
+			return inst_coms_fail; 
+		}
+
+		/* Make sure the Spectrolino is talking to Spectroscan. */
 		if ((ev = ss_do_ScanSpectrolino(p)) != inst_ok) {
-			a1logd(p->log, 1, "ss_init_coms: spectroscan, instrument isn't communicating ICOM err 0x%x\n",se);
+			a1logd(p->log, 1, "ss_init_coms: Spectrolino isn't communicating with Spectroscan ICOM err 0x%x\n",ev);
 			return ev;
 		}
 	}
@@ -322,7 +363,7 @@ ss_init_coms(inst *pp, baud_rate br, flow_control fc, double tout) {
 			  || strncmp(devn, "Spectrolino",11) != 0)
 				return inst_unknown_model;
 	
-			if (p->itype == instUnknown)	/* No SpectrScan */
+			if (p->itype == instUnknown)	/* No SpectroScan */
 			 	p->itype = instSpectrolino;
 		}
 	}
@@ -387,6 +428,7 @@ static void ss_determine_capabilities(ss *p) {
 /* return non-zero on an error, with dtp error code */
 static inst_code
 ss_init_inst(inst *pp) {
+	char *envv;
 	ss *p = (ss *)pp;
 	inst_code rv = inst_ok;
 
@@ -395,6 +437,19 @@ ss_init_inst(inst *pp) {
 	if (p->gotcoms == 0)
 		return inst_internal_error;		/* Must establish coms before calling init */
 
+	p->native_calstd = xcalstd_gmdi;		/* Native is GMDI */
+	p->target_calstd = xcalstd_native;		/* Default to native calibration */
+
+	/* Honor Environment override */
+	if ((envv = getenv("ARGYLL_XCALSTD")) != NULL) {
+		if (strcmp(envv, "XRGA") == 0)
+			p->target_calstd = xcalstd_xrga;
+		else if (strcmp(envv, "XRDI") == 0)
+			p->target_calstd = xcalstd_xrdi;
+		else if (strcmp(envv, "GMDI") == 0)
+			p->target_calstd = xcalstd_gmdi;
+	}
+
 	/* Reset the instrument to a known state */
 	if (p->itype != instSpectrolino) { 
 		
@@ -409,8 +464,9 @@ ss_init_inst(inst *pp) {
 			return rv;
 		if ((rv = ss_do_ReleasePaper(p)) != inst_ok)
 			return rv;
-		if ((rv = ss_do_InitMotorPosition(p)) != inst_ok)
-			return rv;
+		/* Skip this since we did a ss_do_ScanInitializeDevice() */
+//		if ((rv = ss_do_InitMotorPosition(p)) != inst_ok)
+//			return rv;
 
 		if (p->log->verb) {
 			char dn[19];		/* Device name */
@@ -642,7 +698,7 @@ struct _inst *pp) {
 	return rv;
 }
 
-static inst_code ss_calibrate_imp(ss *p, inst_cal_type *calt, inst_cal_cond *calc, char id[CALIDLEN]);
+static inst_code ss_calibrate_imp(ss *p, inst_cal_type *calt, inst_cal_cond *calc, inst_calc_id_type *idtype, char id[CALIDLEN]);
 
 /* Read a sheet full of patches using xy mode */
 /* Return the inst error code */
@@ -725,10 +781,11 @@ ipatch *vals) { 		/* Pointer to array of values */
 				if ( (p->need_wd_cal || p->need_t_cal) && p->noinitcalib == 0) {
 					inst_cal_type calt = inst_calt_needed;
 					inst_cal_cond calc = inst_calc_none;
+					inst_calc_id_type idtype;
 					char id[CALIDLEN];
 
 					/* We expect this to be automatic, but handle as if it mightn't be */
-					if ((rv = ss_calibrate_imp(p, &calt, &calc, id)) != inst_ok) {
+					if ((rv = ss_calibrate_imp(p, &calt, &calc, &idtype, id)) != inst_ok) {
 						if (rv == inst_cal_setup)
 							return inst_needs_cal;	/* Not automatic, needs a manual setup */
 						if (try < notries) {
@@ -819,6 +876,11 @@ ipatch *vals) { 		/* Pointer to array of values */
 		}
 	}
 
+	/* Apply any XRGA conversion */
+	ipatch_convert_xrga(vals, npatch, 
+	                   p->filt == ss_aft_PolFilter ? xcalstd_pol : xcalstd_nonpol,
+	                   p->target_calstd, p->native_calstd, instClamp);
+
 	return rv;
 }
 
@@ -945,10 +1007,11 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 	if ((p->need_wd_cal || p->need_t_cal) && p->noinitcalib == 0) {
 		inst_cal_type calt = inst_calt_needed;
 		inst_cal_cond calc = inst_calc_none;
+		inst_calc_id_type idtype;
 		char id[CALIDLEN];
 
 		/* This could be automatic or need manual intervention */
-		if ((rv = ss_calibrate_imp(p, &calt, &calc, id)) != inst_ok) {
+		if ((rv = ss_calibrate_imp(p, &calt, &calc, &idtype, id)) != inst_ok) {
 			if (rv == inst_cal_setup) {
 				return inst_needs_cal;	/* Not automatic, needs a manual setup */
 			}
@@ -1269,7 +1332,8 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 		}
 
 		/* spectrum data is returned only if requested */
-		if (p->mode & inst_mode_spectral) {
+		if (p->mode & inst_mode_spectral
+		 || XCALSTD_NEEDED(p->target_calstd, p->native_calstd)) {
 			ss_st rst;		/* Return Spectrum Type (Reflectance/Density) */
 			ss_rvt rvf;		/* Return Reference Valid Flag */
 			ss_aft af;		/* Return filter being used (None/Pol/D65/UV/custom */
@@ -1294,6 +1358,12 @@ instClamping clamp) {		/* NZ if clamp XYZ/Lab to be +ve */
 			}
 		}
 	}
+
+	/* Apply any XRGA conversion to the measurement */
+	ipatch_convert_xrga(val, 1, 
+	                   p->filt == ss_aft_PolFilter ? xcalstd_pol : xcalstd_nonpol,
+	                   p->target_calstd, p->native_calstd, clamp);
+
 	if (user_trig)
 		return inst_user_trig;
 	return rv;
@@ -1342,6 +1412,7 @@ static inst_code ss_calibrate_imp(
 ss *p,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	inst_code rv = inst_ok;
@@ -1350,6 +1421,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	ss_owrt owr;	/* Original white reference */
 	inst_cal_type needed, available;
 
+	*idtype = inst_calc_id_none;
 	id[0] = '\000';
 
 	a1logd(p->log, 3, "ss calibrate called with calt = 0x%x, condition 0x%x, need w %d, t %d\n", *calt, *calc, p->need_wd_cal, p->need_t_cal);
@@ -1407,6 +1479,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 		/* Get the name of the expected white reference */
 		if ((rv = so_do_WhiteReferenceRequest(p, p->filt, &afilt, sp, &owr, id)) != inst_ok)
 			return rv;
+		*idtype = inst_calc_id_ref_sn;
 
 		if (p->noinitcalib == 0) {
 
@@ -1457,6 +1530,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 
 					a1logd(p->log, 3, "got filt %d, want %d\n",af,p->filt);
 
+					*idtype = filter_id[p->filt];
 					strcpy(id, filter_desc[p->filt]);
 					*calc = inst_calc_change_filter;
 					return inst_cal_setup;
@@ -1543,6 +1617,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 
 			if (i < 36) {
 				*calc = inst_calc_message;
+				*idtype = inst_calc_id_trans_wl;
 				strcpy(id, "Warning: Transmission light source is low at some wavelengths!");
 				rv = inst_ok;
 			}
@@ -1596,6 +1671,7 @@ inst_code ss_calibrate(
 inst *pp,
 inst_cal_type *calt,	/* Calibration type to do/remaining */
 inst_cal_cond *calc,	/* Current condition/desired condition */
+inst_calc_id_type *idtype,	/* Condition identifier type */
 char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 ) {
 	ss *p = (ss *)pp;
@@ -1605,7 +1681,7 @@ char id[CALIDLEN]		/* Condition identifier (ie. white reference ID) */
 	if (!p->inited)
 		return inst_no_init;
 
-	return ss_calibrate_imp(p, calt, calc, id);
+	return ss_calibrate_imp(p, calt, calc, idtype, id);
 }
 
 /* Insert a compensation filter in the instrument readings */
@@ -1629,7 +1705,7 @@ char *filtername
 	} else {
 		xspect sp;
 		int i;
-		if (read_xspect(&sp, filtername) != 0) {
+		if (read_xspect(&sp, NULL, filtername) != 0) {
 			return inst_wrong_setup;
 		}
 		if (sp.spec_n != 36 || sp.spec_wl_short != 380.0 || sp.spec_wl_long != 730.0) {
@@ -1944,6 +2020,35 @@ ss_get_set_opt(inst *pp, inst_opt_type m, ...) {
 				break;
 		}
 		return inst_unsupported;
+
+	/* Set the current xcalstd */
+	} else if (m == inst_opt_set_xcalstd) {
+		xcalstd standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd);
+		va_end(args);
+
+		p->target_calstd = standard;
+
+		return inst_ok;
+
+	/* Get the current effective xcalstd */
+	} else if (m == inst_opt_get_xcalstd) {
+		xcalstd *standard;
+		va_list args;
+
+		va_start(args, m);
+		standard = va_arg(args, xcalstd *);
+		va_end(args);
+
+		if (p->target_calstd == xcalstd_native)
+			*standard = p->native_calstd;		/* If not overridden */
+		else
+			*standard = p->target_calstd;		/* Overidden std. */
+
+		return inst_ok;
 	}
 
 	/* Record the trigger mode */
@@ -2002,6 +2107,34 @@ ss_get_set_opt(inst *pp, inst_opt_type m, ...) {
 		return inst_ok;
 	}
 
+	/* Return the white calibration tile spectrum for current filter */
+	if (m == inst_opt_get_cal_tile_sp) {
+		ss_aft raf;
+		ss_owrt owr;
+		xspect *sp;
+		char dtn[19];
+		inst_code rv;
+		va_list args;
+		int i;
+
+		va_start(args, m);
+		sp = va_arg(args, xspect *);
+		va_end(args);
+
+		/* Queries the spectra of the white tile reference for the desired filter */
+		if ((rv = so_do_WhiteReferenceRequest(p, p->filt, &raf, sp->spec, &owr, dtn)) != inst_ok)   
+			return rv;
+
+		sp->spec_n = 36;
+		sp->spec_wl_short = 380;
+		sp->spec_wl_long = 730;
+		sp->norm = 100.0;
+		for (i = 0; i < sp->spec_n; i++)
+			sp->spec[i] *= 100.0;
+
+		return inst_ok;
+	}
+
 	/* Use default implementation of other inst_opt_type's */
 	{
 		va_list args;
diff --git a/spectro/ss.h b/spectro/ss.h
index bff0846..bc816e7 100644
--- a/spectro/ss.h
+++ b/spectro/ss.h
@@ -44,6 +44,10 @@
 #include "inst.h"
 #include "ss_imp.h"
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
 #define SS_MAX_WR_SIZE 1000	/* Assumed maximum normal message query size */
 #define SS_MAX_RD_SIZE 1000	/* Assumed maximum normal messagle answer size */
 
@@ -60,7 +64,7 @@ struct _ss {
 	inst_mode	mode;			/* Currently instrument mode */
 
 	/* Desired measurement configuration */
-	ss_aft     filt;			/* Filter type (None/UV/D65 etc.) */
+	ss_aft     filt;			/* Filter type (None/UV/D65/Pol etc.) */
 	ss_dst     dstd;			/* Density standard (ANSI A/ANSI T/DIN etc.) */
 	ss_ilt     illum;			/* Illuminant type (A/C/D50 etc.) */
 	ss_ot      obsv;			/* Observer type (2deg/10deg) */
@@ -85,6 +89,9 @@ struct _ss {
 	int compen;					/* Compensation filter enabled */
 	double comp[36];			/* Compensation filter */
 
+	xcalstd native_calstd;		/* Instrument native calibration standard */
+	xcalstd target_calstd;		/* Returned calibration standard */
+
 #ifdef EMSST
 	int tmode;					/* Transmission mode */
 	ss_rt sbr;					/* Standby reference */
@@ -111,5 +118,9 @@ struct _ss {
 /* Constructor */
 extern ss *new_ss(icoms *icom, instType itype);
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define SS_H
 #endif /* SS_H */
diff --git a/spectro/ss_imp.c b/spectro/ss_imp.c
index 6f184b3..05f0602 100644
--- a/spectro/ss_imp.c
+++ b/spectro/ss_imp.c
@@ -511,7 +511,7 @@ void ss_command(ss *p, double tmo) {
 	p->sbuf[2] = '\00';					/* write_read terminates on nul */
 
 	p->rbuf = p->_rbuf;				/* Reset read pointer */
-	if ((se = p->icom->write_read(p->icom, p->_sbuf, 0, p->_rbuf, SS_MAX_RD_SIZE, NULL, "\n", 1, tmo)) != 0) {
+	if ((se = p->icom->write_read_ex(p->icom, p->_sbuf, 0, p->_rbuf, SS_MAX_RD_SIZE, NULL, "\n", 1, tmo, 1)) != 0) {
 		p->snerr = icoms2ss_err(se);
 		return;
 	}
@@ -631,7 +631,7 @@ char pn[9],			/* Return the part number */
 unsigned int *sn,	/* Return serial number */
 char sv[13]			/* Return software version */
 ) {
-	char rsv[17];	/* Space for resered field */
+	char rsv[17];	/* Space for reserved field */
 	ss_add_soreq(p, ss_DeviceDataRequest);
 	ss_command(p, DF_TMO);
 	ss_sub_soans(p, ss_DeviceDataAnswer);
@@ -866,13 +866,13 @@ int ct		/* Color temperature to set for illuminant Dxx in deg K/100 */
 	return ss_inst_err(p);
 }
 
-/* Queries the spectra of the white reference for the desired filter */
+/* Queries the spectra of the white tile reference for the desired filter */
 inst_code so_do_WhiteReferenceRequest(
 ss *p,
 ss_aft af,		/* Filter being queried (None/Pol/D65/UV/custom */
 ss_aft *raf,	/* Return filter being queried (None/Pol/D65/UV/custom */
 double sp[36],	/* Return 36 spectral values */
-ss_owrt *owr,	/* Return original white reference */
+ss_owrt *owr,	/* Return original white reference (i.e. factory/user) */
 char dtn[19]	/* Return name of data table */
 ) {
 	int i;
@@ -890,6 +890,7 @@ char dtn[19]	/* Return name of data table */
 }
 
 /* Load spectra of a user defined white reference for the desired filter. */
+/* This lets the user override the factory white tile calibration */
 /* A name can be given to the white reference. */
 inst_code so_do_WhiteReferenceDownld(
 ss *p,
@@ -1312,12 +1313,20 @@ ss_toost oo		/* Activated/Deactivated */
 /* Initialise the device. Scans the Spectrolino */
 /* (Doesn't work when device is offline ) */
 inst_code ss_do_ScanInitializeDevice(ss *p) {
+	inst_code rv;
 	ss_add_ssreq(p, ss_InitializeDevice);
 	ss_command(p, IT_TMO);
 	ss_sub_ssans(p, ss_ErrorAnswer);
 	ss_incorp_scanerr(p, ss_sub_1(p));
 	chended(p);
-	return ss_inst_err(p);
+	rv = ss_inst_err(p);
+
+	if (rv != inst_ok)
+		return rv;
+
+	/* Wait for Spectroscan to finish init. */
+	msec_sleep(3000);
+	return rv;
 }
 
 /* Establish communications between the SpectroScan and Spectrolino */
diff --git a/spectro/ss_imp.h b/spectro/ss_imp.h
index c298e80..ccd9ce3 100644
--- a/spectro/ss_imp.h
+++ b/spectro/ss_imp.h
@@ -37,6 +37,9 @@
    and agreed to support.
  */
 
+#ifdef __cplusplus
+	extern "C" {
+#endif
 
 /* Communication symbol definitions */
 /* From the Gretag Spectrolino/Spectroscan */
@@ -1086,7 +1089,8 @@ ss_toost oo		/* Activated/Deactivated */
 /* Device Initialisation and configuration */
 
 /* Initialise the device. Scans the Spectrolino */
-/* (Doesn't work when device is offline ) */
+/* (Doesn't work when device is offline, */
+/* takes some seconds for the device to recover after reply.) */
 inst_code ss_do_ScanInitializeDevice(struct _ss *p);
 
 /* Establish communications between the SpectroScan and Spectrolino */
@@ -1331,5 +1335,9 @@ struct _ss *p,
 ss_sss *sss	/* Return Special Status bits */
 );
 
+#ifdef __cplusplus
+	}
+#endif
+
 #define SS_IMP_H
 #endif /* SS_IMP_H */
diff --git a/spectro/strange.cal b/spectro/strange.cal
index 5f2e94d..1e9451d 100644
--- a/spectro/strange.cal
+++ b/spectro/strange.cal
@@ -2,7 +2,7 @@ CAL
 
 DESCRIPTOR "Argyll Device Calibration Curves"
 ORIGINATOR "Argyll synthcal"
-CREATED "Mon Oct 26 01:10:48 2015"
+CREATED "Wed Sep 28 02:35:54 2016"
 DEVICE_CLASS "DISPLAY"
 COLOR_REP "RGB"
 
diff --git a/spectro/synthcal.c b/spectro/synthcal.c
index 75d18be..14471f6 100644
--- a/spectro/synthcal.c
+++ b/spectro/synthcal.c
@@ -41,6 +41,7 @@ usage(int level) {
 	fprintf(stderr,"Create a synthetic calibration file, Version %s\n",ARGYLL_VERSION_STR);
 	fprintf(stderr,"Author: Graeme W. Gill, licensed under the AGPL Version 3\n");
 	fprintf(stderr,"usage: synthcal [-options] outfile\n");
+	fprintf(stderr," -r res          Set the calibration resolution (default 256)\n");
 	fprintf(stderr," -t N            i = input, o = output, d = display (default)\n");
 	fprintf(stderr," -d col_comb     choose colorant combination from the following (default 3):\n");
 	for (i = 0; ; i++) {
@@ -78,6 +79,7 @@ int main(int argc, char *argv[])
 	char *profDesc = NULL;		/* Description */ 
 	int devtype = 2;			/* debice type, 0 = in, 1 = out, 2 = display */
 	inkmask devmask = 0;		/* ICX ink mask of device space */
+	int calres = 256;			/* Resolution of resulting file */
 	int devchan;				/* Number of chanels in device space */
 	char *ident;				/* Ink combination identifier (includes possible leading 'i') */
 	char *bident;				/* Base ink combination identifier */
@@ -120,8 +122,17 @@ int main(int argc, char *argv[])
 			else if (argv[fa][1] == 'v')
 				verb = 1;
 
+			/* Calibration file resolution */
+			else if (argv[fa][1] == 'r') {
+				fa = nfa;
+				if (na == NULL) usage(0);
+				calres = atoi(na);
+				if (calres < 2 || calres > MAX_CAL_ENT)
+					usage(0);
+			}
+
 			/* Select the device type */
-			else if (argv[fa][1] == 't' || argv[fa][1] == 'T') {
+			else if (argv[fa][1] == 't') {
 				fa = nfa;
 				if (na == NULL) usage(0);
 				if (na[0] == 'i' || na[0] == 'I')
@@ -280,7 +291,7 @@ int main(int argc, char *argv[])
 
 	/* Write out the resulting calibration file */
 	{
-		int i, j, calres = 256;	/* 256 steps in calibration */
+		int i, j;
 		cgats *ocg;			/* output cgats structure */
 		time_t clk = time(0);
 		struct tm *tsp = localtime(&clk);
diff --git a/spectro/usbio.c b/spectro/usbio.c
index 9f8964a..fca997d 100644
--- a/spectro/usbio.c
+++ b/spectro/usbio.c
@@ -90,7 +90,7 @@ static int icoms_usb_wait_io(
 # ifdef NT
 #  include "usbio_nt.c"
 # endif
-# if defined(__APPLE__)
+# if defined(UNIX_APPLE)
 #  include "usbio_ox.c"
 # endif
 # if defined(UNIX_X11)
@@ -491,7 +491,7 @@ double tout)		/* Time out in seconds */
 		return ICOM_SYS;
 	}
 
-	if (p->port_type(p) == icomt_usbserial)
+	if (p->dctype & icomt_fastserial)
 		fastserial  = 1;
 
 	for (j = 0; j < bsize; j++)
@@ -517,7 +517,7 @@ double tout)		/* Time out in seconds */
 		int c, rv;
 		int rsize = bsize; 
 
-		/* If not a fast USB serial port, read in quanta size chunks */ 
+		/* If not a fast USB/BT serial port, read in quanta size chunks */ 
 		if (!fastserial && rsize > p->rd_qa)
 			rsize = p->rd_qa;
 
@@ -614,8 +614,7 @@ char **pnames			/* List of process names to try and kill before opening */
 ) {
 	a1logd(p->log, 8, "icoms_set_usb_port: About to set usb port characteristics\n");
 
-	if (p->port_type(p) == icomt_usb
-	 || p->port_type(p) == icomt_usbserial) {
+	if (p->port_type(p) & icomt_usb) {
 		int rv;
 
 		if (p->is_open) 
diff --git a/spectro/usbio.h b/spectro/usbio.h
index 578bd83..2a01ea3 100644
--- a/spectro/usbio.h
+++ b/spectro/usbio.h
@@ -44,7 +44,7 @@ struct usb_idevice {
 
 # endif	/* NT */
 
-# if defined(UNIX) && defined(__APPLE__)
+# if defined(UNIX_APPLE)
 
 /* OS X structure version wrangling */
 
@@ -127,7 +127,7 @@ struct usb_idevice {
 };
 # endif	/* OS X */
 
-# if defined(UNIX) && !defined(__APPLE__)
+# if defined(UNIX_X11)
 
 #  if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
 
diff --git a/spectro/usbio_bsd.c b/spectro/usbio_bsd.c
index 0af13a1..4b3e038 100644
--- a/spectro/usbio_bsd.c
+++ b/spectro/usbio_bsd.c
@@ -23,7 +23,7 @@
 	( Most of the below code is stubbed out, with the Linux
 	code as a placeholder. )
 
-	BSD uses fd per end point, so simplifies things.
+	BSD uses fd per end point, so simplifies things (good).
 
 	No clear ep or abort i/o though, so we could try clear halt,
 	or close fd and see if that works in aborting transaction ?
@@ -57,7 +57,7 @@
 #define poll_x poll
 #endif
 
-/* Add paths to USB connected instruments */
+/* Add paths to USB connected device */
 /* Return an icom error */
 int usb_get_paths(
 icompaths *p 
@@ -75,7 +75,7 @@ icompaths *p
 	int vid, pid;
 	int nconfig = 0, nep = 0;
 	char *dpath;
-	instType itype;
+	devType itype;
 	struct usb_idevice *usbd = NULL;
 
 	a1logd(p->log, 6, "usb_get_paths: about to look through usb devices:\n");
@@ -193,7 +193,7 @@ icompaths *p
 		break;
 	}
 
-	a1logd(p->log, 8, "usb_get_paths: returning %d paths and ICOM_OK\n",p->npaths);
+	a1logd(p->log, 8, "usb_get_paths: returning %d paths and ICOM_OK\n",p->ndpaths[dtix_combined]);
 	return ICOM_OK;
 }
 
diff --git a/spectro/usbio_lx.c b/spectro/usbio_lx.c
index cb9ec59..6d001a2 100644
--- a/spectro/usbio_lx.c
+++ b/spectro/usbio_lx.c
@@ -81,7 +81,7 @@ char *dpath		/* path to device */
 	unsigned char buf[IUSB_DESC_TYPE_DEVICE_SIZE];
 	unsigned vid, pid, nep10 = 0xffff;
 	unsigned int configix, nconfig, totlen;
-	instType itype;
+	devType itype;
 	struct usb_idevice *usbd = NULL;
 	int fd;			/* device file descriptor */
 
@@ -322,7 +322,7 @@ icompaths *p
 		}
 	}
 
-	a1logd(p->log, 8, "usb_get_paths: returning %d paths and ICOM_OK\n",p->npaths);
+	a1logd(p->log, 8, "usb_get_paths: returning %d paths and ICOM_OK\n",p->ndpaths[dtix_combined]);
 	return ICOM_OK;
 }
 
@@ -384,6 +384,9 @@ void usb_close_port(icoms *p) {
 			ioctl(p->usbd->fd, USBDEVFS_RELEASEINTERFACE, &iface);
 
 		/* Workaround for some bugs - reset device on close */
+		/* !!!! Alternative would be to do reset before open. 
+		   On Linux the path stays the same, so could do open/reset/open
+		 */
 		if (p->uflags & icomuf_reset_before_close) {
 			if ((rv = ioctl(p->usbd->fd, USBDEVFS_RESET, NULL)) != 0) {
 				a1logd(p->log, 1, "usb_close_port: reset returned %d\n",rv);
@@ -531,7 +534,8 @@ char **pnames		/* List of process names to try and kill before opening */
 
 		/* Clear any errors. */
 		/* (Some I/F seem to hang if we do this, some seem to hang if we don't !) */
-		/* The ColorMunki on Linux only starts every second time if we don't do this. */
+		/* (The ColorMunki on some Linux's only starts every second time if we don't do this, */
+		/* and on others, every second time if we do.) */
 		if (!(p->uflags & icomuf_no_open_clear)) {
 			for (i = 0; i < 32; i++) {
 				if (!p->ep[i].valid)
@@ -701,7 +705,8 @@ static void *urb_reaper(void *context) {
 		iurb = (usbio_urb *)out->usercontext;
 		req = iurb->req;
 
-		a1logd(p->log, 8, "urb_reaper: urb reap URB %d with status %d bytes %d, urbs left %d\n",iurb->urbno, out->status, out->actual_length, req->nourbs-1);
+		a1logd(p->log, 8, "urb_reaper: urb reap URB %d with status %d, bytes %d, urbs left %d\n",iurb->urbno, out->status, out->actual_length, req->nourbs-1);
+
 
 		pthread_mutex_lock(&req->lock);	/* Stop requester from missing reap */
 		req->nourbs--;					/* We're reaped one */
@@ -778,7 +783,7 @@ static int icoms_usb_transaction(
 	int i;
 
 	in_usb_rw++;
-	a1logd(p->log, 8, "icoms_usb_transaction: req type 0x%x ep 0x%x size %d\n",ttype,endpoint,length);
+	a1logd(p->log, 8, "icoms_usb_transaction: req type 0x%x ep 0x%x size %d to %d\n",ttype,endpoint,length, timeout);
 
 	if (!p->usbd->running) {
 		in_usb_rw--;
diff --git a/spectro/usbio_nt.c b/spectro/usbio_nt.c
index f5c3af8..34426fd 100644
--- a/spectro/usbio_nt.c
+++ b/spectro/usbio_nt.c
@@ -99,14 +99,14 @@ int *retsz) {
 	return ICOM_OK;
 }
 
-/* Add paths to USB connected instruments */
+/* Add paths to USB connected device */
 /* Return an icom error */
 int usb_get_paths(
 icompaths *p 
 ) {
 	unsigned int vid, pid, nep10 = 0xffff;
 	unsigned int configix, nconfig, nifce;
-	instType itype;
+	devType itype;
 	struct usb_idevice *usbd = NULL;
 	int rv, retsz, i;
 
diff --git a/spectro/usbio_ox.c b/spectro/usbio_ox.c
index d3da59a..2b09955 100644
--- a/spectro/usbio_ox.c
+++ b/spectro/usbio_ox.c
@@ -15,6 +15,8 @@
  * see the License2.txt file for licencing details.
  */
 
+/* OS X I/O error codes are in IOKit/IOReturn.h */
+
 #include <sys/time.h>
 
 #include <CoreFoundation/CoreFoundation.h>
@@ -62,7 +64,7 @@ icompaths *p
 		CFNumberRef nconfref;					/* No configurations */
 		CFNumberRef nepref, lidpref;			/* No ep's, Location ID properties */
 		unsigned int vid = 0, pid = 0, nep, tnep, nconfig = 0, lid = 0;
-		instType itype;
+		devType itype;
 
 	    if ((ioob = IOIteratorNext(mit)) == 0)
 			break;
@@ -127,7 +129,7 @@ icompaths *p
 				unsigned int config = 0;
 				
 				/* Get the configuration number */
-				if ((nconfref = IORegistryEntryCreateCFProperty(ch1, CFSTR(kUSBNumEndpoints),
+				if ((nconfref = IORegistryEntryCreateCFProperty(ch1, CFSTR(kUSBConfigurationValue),
 				                                         kCFAllocatorDefault,kNilOptions)) != 0) {
 					CFNumberGetValue(nconfref, kCFNumberIntType, &config);
 				    CFRelease(nconfref);
@@ -157,16 +159,16 @@ icompaths *p
 
 			/* If this device is HID, it will have already added to the paths list, */
 			/* so check for this and skip this device if it is already there. */
-			for (i = 0; i < p->npaths; i++) {
-				if (p->paths[i]->vid == vid
-				 && p->paths[i]->pid == pid
-				 && p->paths[i]->hidd != NULL
-				 && p->paths[i]->hidd->lid == lid) {
+			for (i = 0; i < p->ndpaths[dtix_combined]; i++) {
+				if (p->dpaths[i][dtix_combined]->vid == vid
+				 && p->dpaths[i][dtix_combined]->pid == pid
+				 && p->dpaths[i][dtix_combined]->hidd != NULL
+				 && p->dpaths[i][dtix_combined]->hidd->lid == lid) {
 					a1logd(p->log, 1, "usb_get_paths: Ignoring device because it is already in list as HID\n");
 					break;
 				}
 			}
-			if (i < p->npaths) {
+			if (i < p->ndpaths[dtix_combined]) {
 			    IOObjectRelease(ioob);		/* Release found object */
 				free(usbd);
 
@@ -195,7 +197,7 @@ icompaths *p
 	}
     IOObjectRelease(mit);			/* Release the itterator */
 
-	a1logd(p->log, 8, "usb_get_paths: returning %d paths and ICOM_OK\n",p->npaths);
+	a1logd(p->log, 8, "usb_get_paths: returning %d paths and ICOM_OK\n",p->ndpaths[dtix_combined]);
 	return ICOM_OK;
 }
 
@@ -271,6 +273,8 @@ void usb_close_port(icoms *p) {
 		/* Workaround for some bugs - reset device on close */
 		if (p->uflags & icomuf_reset_before_close) {
 			IOReturn rv;
+			// ~~~~ may have to switch to ->USBDeviceReEnumerate(p->usbd->device, 0) ???
+			// because new OS X 10.11 ignore ResetDevice ?
 			if ((rv = (*(p->usbd->device))->ResetDevice(p->usbd->device)) != kIOReturnSuccess) {
 				a1logd(p->log, 1, "usb_close_port: ResetDevice failed with 0x%x\n",rv);
 			}
diff --git a/spectro/webwin.c b/spectro/webwin.c
index e13981a..1d5f713 100644
--- a/spectro/webwin.c
+++ b/spectro/webwin.c
@@ -70,7 +70,9 @@ char src_addr[20];
 	}
 
 	mg_printf(conn,
-			"\r\n#%02X%02X%02X",
+			"HTTP/1.1 200 OK\r\n"
+			"Content-Type: text/plain\r\n\r\n"
+			"#%02X%02X%02X",
 			(int)(p->r_rgb[0] * 255.0 + 0.5),
 			(int)(p->r_rgb[1] * 255.0 + 0.5),
 			(int)(p->r_rgb[2] * 255.0 + 0.5));
@@ -93,7 +95,8 @@ static void *webwin_ehandler(enum mg_event event,
 	} else if (strcmp(request_info->uri, "/webdisp.js") == 0) {
 #ifndef NEVER
 		char *webdisp_js = 
-	"\r\n"
+	"HTTP/1.1 200 OK\r\n"
+	"Content-Type: application/javascript\r\n\r\n"
 	"if (typeof XMLHttpRequest == \"undefined\") {\r\n"
 	"	XMLHttpRequest = function () {\r\n"
 	"		try { return new ActiveXObject(\"Msxml2.XMLHTTP.6.0\"); }\r\n"
@@ -141,17 +144,26 @@ static void *webwin_ehandler(enum mg_event event,
 #else
 		return NULL;	/* Read webdisp.js */
 #endif
-	} else {
+	} else if (strcmp(request_info->uri, "/") == 0) {
 	    mg_printf(conn, "HTTP/1.1 200 OK\r\n"
 		"Cache-Control: no-cache\r\n"
-		"Content-Type: text/html\r\n\r\n"
+		"Content-Type: text/html; charset=UTF-8\r\n\r\n"
+		"<!DOCTYPE html>\r\n"
 		"<html>\r\n"
 		"<head>\r\n"
 		"<title>ArgyllCMS Web Display</title>\r\n"
 		"<script src=\"webdisp.js\"></script>\r\n"
 		"</head>\r\n"
+		"<body>\r\n"
+		"</body>\r\n"
 		"</html>\r\n"
 		);
+	} else {
+	    mg_printf(conn, "HTTP/1.1 404 Not Found\r\n"
+		"Content-Type: text/plain\r\n\r\n"
+		"404 Not Found: %s",
+		request_info->uri
+		);
 	}
 
 //		"<script type=\"text/javascript\"src=\"webdisp.js\"></script>"
@@ -230,9 +242,9 @@ double r, double g, double b	/* Color values 0.0 - 1.0 */
 
 			/* For video encoding the extra bits of precision are created by bit shifting */
 			/* rather than scaling, so we need to scale the fp value to account for this. */
-			if (p->pdepth > 8)
-				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->pdepth - 8)))
-				            /((1 << p->pdepth) - 1.0); 	
+			if (p->edepth > 8)
+				p->r_rgb[j] = (p->s_rgb[j] * 255 * (1 << (p->edepth - 8)))
+				            /((1 << p->edepth) - 1.0); 	
 		}
 	}
 
@@ -361,8 +373,11 @@ int ddebug						/* >0 to print debug statements to stderr */
 
 	p->ncix = 1;
 
-	p->pdepth = 8;		/* Assume this by API */
-	p->edepth = 8;
+	p->fdepth = 8;				/* Assume this by API */
+	p->rdepth = p->fdepth;		/* Assumed */
+	p->ndepth = p->rdepth;		/* Assumed */
+	p->nent = 0;				/* No ramdac */
+	p->edepth = 8;				/* Assumed */
 
 	/* Basic object is initialised, so create a web server */
 
diff --git a/spectro/xdg_bds.c b/spectro/xdg_bds.c
index c1805ed..e24e4ab 100644
--- a/spectro/xdg_bds.c
+++ b/spectro/xdg_bds.c
@@ -169,20 +169,22 @@ static char *append(char *in, char *app) {
 	return rv;
 }
 
-/* Append a ':' or ';' then a string. Free in. Return NULL on error. */
+/* Append a ':' or ';' then a string. Free in. */
+/* Return NULL on error. */
 static char *cappend(char *in, char *app) {
-	int inlen;
+	int inlen, aplen;
 	char *rv;
 
 	inlen = strlen(in);
+	aplen = strlen(app);
 
-	if ((rv = malloc(inlen + 1 + strlen(app) + 1)) == NULL) {
+	if ((rv = malloc(inlen + 1 + aplen + 1)) == NULL) {
 		a1loge(g_log, 1, "xdg_bds: cappend malloc failed\n"); 
 		free(in);
 		return NULL;
 	}
 	strcpy(rv, in);
-	if (inlen > 1)
+	if (inlen > 0 && in[inlen-1] != SSEP && aplen > 0)
 		strcat(rv, SSEPS);
 	strcat(rv, app);
 	free(in);
@@ -190,20 +192,22 @@ static char *cappend(char *in, char *app) {
 	return rv;
 }
 
-/* Append a '/' then a string. Free in. Return NULL on error. */
+/* Append a '/' then a string. Free in. */
+/* Return NULL on error. */
 static char *dappend(char *in, char *app) {
-	int inlen;
+	int inlen, aplen;
 	char *rv;
 
 	inlen = strlen(in);
+	aplen = strlen(app);
 
-	if ((rv = malloc(inlen + 1 + strlen(app) + 1)) == NULL) {
+	if ((rv = malloc(inlen + 1 + aplen + 1)) == NULL) {
 		a1loge(g_log, 1, "xdg_bds: dappend malloc failed\n"); 
 		free(in);
 		return NULL;
 	}
 	strcpy(rv, in);
-	if (inlen > 1 && in[inlen-1] != '/')
+	if (inlen > 0 && in[inlen-1] != '/')
 		strcat(rv, "/");
 	strcat(rv, app);
 	free(in);
@@ -332,7 +336,7 @@ int xdg_bds(
 				if (getenv("HOME") != NULL)
 					path = dappend(path, ".local/share");
 #else
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				path = dappend(path, "Library/Application Support");
 #else	/* Unix, Default */
 				path = dappend(path, ".local/share");
@@ -380,7 +384,7 @@ int xdg_bds(
 				if (getenv("HOME") != NULL)
 					path = dappend(path, ".config");
 #else
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				path = dappend(path, "Library/Preferences");
 #else	/* Unix, Default */
 				path = dappend(path, ".config");
@@ -435,7 +439,7 @@ int xdg_bds(
 				else
 					path = dappend(path, "Cache");
 #else
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				path = dappend(path, "Library/Caches");
 #else	/* Unix, Default */
 				path = dappend(path, ".cache");
@@ -477,7 +481,7 @@ int xdg_bds(
 				}
 				path = cappend(path, home);
 #else
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				path = cappend(path, "/Library");
 #else
 				path = cappend(path, "/usr/local/share:/usr/share");
@@ -508,7 +512,7 @@ int xdg_bds(
 				}
 				path = cappend(path, home);
 #else
-#ifdef __APPLE__
+#ifdef UNIX_APPLE
 				path = cappend(path, "/Library/Preferences");
 #else
 				path = cappend(path, "/etc/xdg");
diff --git a/spectro/xdg_bds.h b/spectro/xdg_bds.h
index 5c29790..4fedbea 100644
--- a/spectro/xdg_bds.h
+++ b/spectro/xdg_bds.h
@@ -70,7 +70,7 @@ typedef enum {
 #endif
 
 								/* ONLY use this for xdg_data type */
-#ifdef __APPLE__				/* fudge to assist OS X migration from */
+#ifdef UNIX_APPLE				/* fudge to assist OS X migration from */
 #define XDG_FUDGE SSEPS "../"	/* Library/color to Library/Application Support/ArgyllCMS */
 #else
 #define XDG_FUDGE SSEPS
diff --git a/spectro/xrga.c b/spectro/xrga.c
new file mode 100644
index 0000000..0bf22fa
--- /dev/null
+++ b/spectro/xrga.c
@@ -0,0 +1,224 @@
+
+/*
+ * This file contains resources to translate colors to/from
+ * X-Rites XRGA calibration standard. This only applies to
+ * reflective measurements from historical Gretag-Macbeth & X-Rite
+ * instruments, and current X-Rite instruments.
+ */
+
+/* 
+ * Author:  Graeme W. Gill
+ * Date:    9/2/2016
+ * Version: 1.00
+ *
+ * Copyright 2016 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <time.h>
+#include <fcntl.h>
+#if defined(UNIX)
+# include <utime.h>
+#else
+# include <sys/utime.h>
+#endif
+#include <sys/stat.h>
+#include <stdarg.h>
+#ifndef SALONEINSTLIB
+#include "copyright.h"
+#include "aconfig.h"
+#include "numlib.h"
+#else	/* !SALONEINSTLIB */
+#include "sa_config.h"
+#include "numsup.h"
+#endif /* !SALONEINSTLIB */
+#ifndef SALONEINSTLIB
+#  include "plot.h"
+#endif
+#include "xspect.h"
+#include "insttypes.h"
+#include "conv.h"
+#include "icoms.h"
+#include "inst.h"
+#include "rspec.h"
+
+#include "xrga.h"
+
+/* A conversion equation */
+typedef struct {
+	double  gain0, gain1;		/* Destination gain at 550 nm, slope */
+	double  wl0;				/* Wavlength shift at 550nm to source - assumed constant */
+} xrga_eqn;
+
+/* XRGA conversion values in order [pol][src][dst] */
+/* Parameters are gain at 550nm, slope of gain per nm, src wavelengh offset in nm. */
+/* These values were inferred from the results one gets from processing spectral */
+/* values though X-Rite's conversion routines. */
+
+xrga_eqn xrga_equations[2][3][3] = {
+	{	/* Unpolarized */
+		{
+			{ 1.000000,  0.000000,  0.000000 },	/* XRDI -> XRDI */
+			{ 1.000046, -0.000050, -1.400568 },	/* XRDI -> GMDI */
+			{ 1.000005, -0.000025, -0.400084 }	/* XRDI -> XRGA */
+		},
+		{
+			{ 1.000046, 0.000050, 1.400568 },	/* GMDI -> XRDI */
+			{ 1.000000, 0.000000, 0.000000 },	/* GMDI -> GMDI */
+			{ 1.000015, 0.000025, 1.000207 }	/* GMDI -> XRGA */
+		},
+		{
+			{ 1.000005,  0.000025,  0.400084 },	/* XRGA -> XRDI */
+			{ 1.000015, -0.000025, -1.000207 },	/* XRGA -> GMDI */
+			{ 1.000000,  0.000000,  0.000000 }	/* XRGA -> XRGA */
+		}
+	},
+	{	/* Polarized */
+		{
+			{ 1.000000,  0.000000,  0.000000 },	/* XRDI -> XRDI */
+			{ 1.028710, -0.000081, -1.399477 },	/* XRDI -> GMDI */
+			{ 1.000005, -0.000025, -0.400084 }	/* XRDI -> XRGA */
+		},
+		{
+			{ 0.971957, 0.000072, 1.398829 },	/* GMDI -> XRDI */
+			{ 1.000000, 0.000000, 0.000000 },	/* GMDI -> GMDI */
+			{ 0.971975, 0.000049, 0.998938 }	/* GMDI -> XRGA */
+		},
+		{
+			{ 1.000005,  0.000025,  0.400084 },	/* XRGA -> XRDI */
+			{ 1.028711, -0.000056, -0.999421 },	/* XRGA -> GMDI */
+			{ 1.000000,  0.000000,  0.000000 }	/* XRGA -> XRGA */
+		}
+	}
+};
+
+
+/* Core conversion code. dst and src are assumed to be different xspect's */
+static void convert_xrga(xspect *dst, xspect *src, xrga_eqn *eq) {
+	int j;
+
+	XSPECT_COPY_INFO(dst, src);		/* Copy parameters */
+
+	for (j = 0; j < dst->spec_n; j++) {
+		double dw, sw, ga;
+		double spcing, f;
+		double y[4], yw;
+		double x[4];
+		int i;
+	
+		dw = XSPECT_XWL(dst, j);			/* Destination wavelength */
+		sw = dw + eq->wl0;					/* Source wavelength */
+		ga = eq->gain0 + (dw - 550.0) * eq->gain1;	/* Gain at this dest wl */ 
+
+		/* Compute fraction 0.0 - 1.0 out of known spectrum. */
+		/* Place it so that the target wavelength lands in middle section */
+		/* of Lagrange basis points. */
+		spcing = (src->spec_wl_long - src->spec_wl_short)/(src->spec_n-1.0);
+		f = (sw - src->spec_wl_short) / (src->spec_wl_long - src->spec_wl_short);
+		f *= (src->spec_n - 1.0);
+		i = (int)floor(f);			/* Base grid coordinate */
+	
+		if (i < 1)					/* Limit to valid Lagrange basis index range, */
+			i = 1;					/* and extrapolate from that at the ends. */
+		else if (i > (src->spec_n - 3))
+			i = (src->spec_n - 3);
+	
+		/* Setup the surrounding values */
+		x[0] = src->spec_wl_short + (i-1) * spcing;
+		y[0] = src->spec[i-1];
+		x[1] = src->spec_wl_short + i * spcing;
+		y[1] = src->spec[i];
+		x[2] = src->spec_wl_short + (i+1) * spcing;
+		y[2] = src->spec[i+1];
+		x[3] = src->spec_wl_short + (i+2) * spcing;
+		y[3] = src->spec[i+2];
+	
+
+		/* Compute interpolated value using Lagrange: */
+		yw = y[0] * (sw-x[1]) * (sw-x[2]) * (sw-x[3])/((x[0]-x[1]) * (x[0]-x[2]) * (x[0]-x[3]))
+		   + y[1] * (sw-x[0]) * (sw-x[2]) * (sw-x[3])/((x[1]-x[0]) * (x[1]-x[2]) * (x[1]-x[3]))
+		   + y[2] * (sw-x[0]) * (sw-x[1]) * (sw-x[3])/((x[2]-x[0]) * (x[2]-x[1]) * (x[2]-x[3]))
+		   + y[3] * (sw-x[0]) * (sw-x[1]) * (sw-x[2])/((x[3]-x[0]) * (x[3]-x[1]) * (x[3]-x[2]));
+
+		yw *= ga;
+
+		dst->spec[j] = yw;
+	}
+}
+
+/* Apply a conversion from one calibration standard to another to an xspect */
+void xspec_convert_xrga(xspect *dst, xspect *srcp, xcalpol pol, xcalstd dsp, xcalstd ssp) {
+	xrga_eqn *eq;
+	xspect tmp, *src = srcp;
+
+	/* If no conversion and no copy needed */
+	if ((ssp == xcalstd_native || dsp == xcalstd_native || dsp == ssp)
+	  && dst == src)
+		return;
+
+	/* If no conversion needed */
+	if (ssp == xcalstd_native || dsp == xcalstd_native || dsp == ssp) {
+		*dst = *src;		/* Struct copy */
+		return;
+	}
+
+	/* If the dest is the same as the src, make a temporary copy */
+	if (dst == src) {
+		tmp = *src;			/* Struct copy */
+		src = &tmp;
+
+	} else {
+		XSPECT_COPY_INFO(dst, src);		/* Copy parameters */
+	}
+
+	eq = &xrga_equations[pol][ssp][dsp];
+	convert_xrga(dst, src, eq);
+}
+
+/* Apply a conversion from one calibration standard to another to an array of ipatch's */
+void ipatch_convert_xrga(ipatch *vals, int nvals,
+                         xcalpol pol, xcalstd dsp, xcalstd ssp, int clamp) {
+	xrga_eqn *eq;
+	xspect tmp;
+	xsp2cie *conv = NULL;	/* Spectral to XYZ conversion object */
+	int i;
+
+	/* If no conversion needed */
+	if (ssp == xcalstd_native || dsp == xcalstd_native
+	 || dsp == ssp || nvals <= 0)
+		return;
+
+	/* Conversion to use */
+	eq = &xrga_equations[pol][ssp][dsp];
+
+	for (i = 0; i < nvals; i++) {
+		if (vals[i].mtype != inst_mrt_reflective
+		 || vals[i].sp.spec_n <= 0) {
+			continue;
+		}
+		tmp = vals[i].sp;		// Struct copy */
+		convert_xrga(&vals[i].sp, &tmp, eq);
+
+		/* Re-compute XYZ */
+		if (vals[i].XYZ_v) {
+			if (conv == NULL) {
+				conv = new_xsp2cie(icxIT_D50, NULL, icxOT_CIE_1931_2,
+				                   NULL, icSigXYZData, (icxClamping)clamp);
+			}
+			conv->convert(conv, vals[i].XYZ, &vals[i].sp);
+			vals[i].XYZ_v = 1;
+			vals[i].XYZ[0] *= 100.0;	/* Convert to % */
+			vals[i].XYZ[1] *= 100.0;
+			vals[i].XYZ[2] *= 100.0;
+		}
+	}
+	if (conv != NULL)
+		conv->del(conv);
+}
diff --git a/spectro/xrga.h b/spectro/xrga.h
new file mode 100644
index 0000000..0605fc8
--- /dev/null
+++ b/spectro/xrga.h
@@ -0,0 +1,86 @@
+
+#ifndef XRGA_H
+#define XRGA_H
+
+/*
+ * This file contains resources to translate colors to/from
+ * X-Rites XRGA calibration standard. This only applies to
+ * reflective measurements from historical Gretag-Macbeth & X-Rite
+ * instruments, and current X-Rite instruments.
+ */
+
+/* 
+ * Author:  Graeme W. Gill
+ * Date:    9/2/2016
+ * Version: 1.00
+ *
+ * Copyright 2016 Graeme W. Gill
+ * All rights reserved.
+ *
+ * This material is licenced under the GNU GENERAL PUBLIC LICENSE Version 2 or later :-
+ * see the License2.txt file for licencing details.
+ */
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+typedef enum {
+	xcalstd_nonpol = 0,	/* Unpolarized */
+	xcalstd_pol    = 1	/* Polarized */
+} xcalpol;
+
+/* Apply a conversion from one calibration standard to another to an xspect. */
+void xspec_convert_xrga(xspect *dst, xspect *srcp, xcalpol pol, xcalstd dsp, xcalstd ssp);
+
+/* Apply a conversion from one calibration standard to another to an array of ipatch's */
+void ipatch_convert_xrga(ipatch *vals, int nvals,
+                         xcalpol pol, xcalstd dsp, xcalstd ssp, int clamp);
+
+/* Macro returns true if a conversion is needed */
+#define XCALSTD_NEEDED(ssp, dsp) \
+	((ssp) != xcalstd_native && (dsp) != xcalstd_native && (dsp) != (ssp))
+
+#ifdef __cplusplus
+	}
+#endif
+
+#endif /* XRGA_H */
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