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Diffstat (limited to 'backend/canon_pp-dev.h')
| -rw-r--r-- | backend/canon_pp-dev.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/backend/canon_pp-dev.h b/backend/canon_pp-dev.h new file mode 100644 index 0000000..e8f36a8 --- /dev/null +++ b/backend/canon_pp-dev.h @@ -0,0 +1,185 @@ +/* sane - Scanner Access Now Easy. + Copyright (C) 2001-2002 Matthew C. Duggan and Simon Krix + This file is part of the SANE package. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. + + ----- + + canon_pp-dev.h: $Revision$ + + This file is part of the canon_pp backend, supporting Canon FBX30P + and NX40P scanners and also part of the stand-alone driver. + + Simon Krix <kinsei@users.sourceforge.net> + */ + +#ifndef CANON_PP_DEV_H + +#define CANON_PP_DEV_H + +/* Signal names */ +/* C port */ +#define READY 0x1f +#define NSELECTIN 0x08 +#define NINIT 0x04 +#define HOSTBUSY 0x02 +#define HOSTCLK 0x01 + +/* S port */ +#define BUSY 0x10 +#define NACK 0x08 +#define PTRCLK 0x08 +#define PERROR 0x04 +#define ACKDATAREQ 0x04 +#define XFLAG 0x02 +#define SELECT 0x02 +#define NERROR 0x01 +#define NFAULT 0x01 +#define NDATAAVAIL 0x01 + +/* Scanner things */ +#define CALSIZE 18 /* Lines per calibration */ + +/* Init modes */ +#define INITMODE_20P 1 +#define INITMODE_30P 2 +#define INITMODE_AUTO 3 + +/* Misc things */ +#define T_SCAN 1 +#define T_CALIBRATE 2 + +/* Macros */ +#define MAKE_SHORT(a,b) (((short)a)*0x100+(short)b) +#define LOW_BYTE(a) (a%0x100) +#define HIGH_BYTE(a) (a/0x100) + +typedef struct scanner_parameter_struct +{ + /* This is the port the scanner is on, in libieee1284-readable form */ + struct parport *port; + + /* Width of the scanning head in pixels */ + int scanheadwidth; + int scanbedlength; + + /* Resolution of the scan head where dpi = 75 << natural_resolution */ + int natural_xresolution; + int natural_yresolution; + + int max_xresolution; + int max_yresolution; + + /* ID String. Should only be 38(?) bytes long, so we can + reduce the size later. */ + char id_string[80]; + + /* Short, readable scanner name, such as "FB330P" */ + char name[40]; + + /* Pixel weight values from calibration, one per pixel on the scan head. + These must be allocated before any scanning can be done. */ + unsigned long *blackweight; + unsigned long *redweight; + unsigned long *greenweight; + unsigned long *blueweight; + + /* Not understood white-balance/gain values */ + unsigned char gamma[32]; + + /* Type of scanner ( 0 = *20P, 1 = [*30P|*40P] ) */ + unsigned char type; + + /* Are we aborting this scanner now */ + unsigned char abort_now; + +} scanner_parameters; + +typedef struct scan_parameter_struct +{ + /* Size of image */ + unsigned int width, height; + /* Position of image on the scanner bed */ + unsigned int xoffset, yoffset; + /* Resolution at which to scan (remember it's 75 << resolution) */ + int xresolution, yresolution; + /* Mode of image. 0 = greyscale, 1 = truecolour */ + int mode; +} scan_parameters; + +typedef struct image_segment_struct +{ + /* Size of image segment */ + unsigned int width, height; + /* Which part of the image this is */ + unsigned int start_scanline; + /* Pointer to image data */ + unsigned char *image_data; +} image_segment; + +/* Scan-related functions ========================= */ + +/* Brings the scanner in and out of transparent mode + and detects model information */ +int sanei_canon_pp_initialise(scanner_parameters *sp, int mode); +int sanei_canon_pp_close_scanner(scanner_parameters *sp); + +/* Image scanning functions */ +int sanei_canon_pp_init_scan(scanner_parameters *sp, scan_parameters *scanp); + +int sanei_canon_pp_read_segment(image_segment **dest, scanner_parameters *sp, + scan_parameters *scanp, int scanline_count, int do_adjust, + int scanlines_left); + +int sanei_canon_pp_abort_scan(scanner_parameters *sp); + +/* Loads the gain offset values. Needs a new name. */ +int sanei_canon_pp_load_weights(const char *filename, scanner_parameters *sp); + + +int sanei_canon_pp_calibrate(scanner_parameters *sp, char *cal_file); + +int sanei_canon_pp_adjust_gamma(scanner_parameters *sp); + +/* Detect if a scanner is present on a given port */ +int sanei_canon_pp_detect(struct parport *port, int mode); + +/* Put a scanner to sleep */ +int sanei_canon_pp_sleep_scanner(struct parport *port); + +#endif |