Initial import of sane-backends version 1.0.24-1.2

1 files changed, 278 insertions, 0 deletions

diff --git a/backend/dc240.h b/backend/dc240.h
new file mode 100644
index 0000000..3323fed
--- /dev/null
+++ b/backend/dc240.h
@@ -0,0 +1,278 @@
+/***************************************************************************
+ * SANE - Scanner Access Now Easy.
+
+   dc240.h
+
+   03/12/01 - Peter Fales
+
+   Based on the dc210 driver, (C) 1998 Brian J. Murrell (which is
+	based on dc25 driver (C) 1998 by Peter Fales)
+
+   This file (C) 2001 by Peter Fales
+
+   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.  
+
+ ***************************************************************************
+
+   This file implements a SANE backend for the Kodak DC-240
+   digital camera.  THIS IS EXTREMELY ALPHA CODE!  USE AT YOUR OWN RISK!! 
+
+   (feedback to:  dc240-devel@fales-lorenz.net)
+
+   This backend is based somewhat on the dc25 backend included in this
+   package by Peter Fales, and the dc210 backend by Brian J. Murrell
+
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <termios.h>
+#include <string.h>
+
+#ifndef TRUE
+#define TRUE	(1==1)
+#endif
+
+#ifndef FALSE
+#define FALSE	(!TRUE)
+#endif
+
+#ifndef NULL
+#define NULL	0L
+#endif
+
+typedef struct picture_info
+{
+  int low_res;
+  int size;
+}
+PictureInfo;
+
+typedef struct DC240_s
+{
+  SANE_Int fd;			/* file descriptor to talk to it */
+  char *tty_name;		/* the tty port name it's on */
+  speed_t baud;			/* current tty speed */
+  SANE_Bool scanning;		/* currently scanning an image? */
+  SANE_Byte model;
+  SANE_Byte ver_major;
+  SANE_Byte ver_minor;
+  SANE_Int pic_taken;
+  SANE_Int pic_left;
+  struct
+  {
+    unsigned int low_res:1;
+    unsigned int low_batt:1;
+  }
+  flags;
+  PictureInfo *Pictures;	/* array of pictures */
+  SANE_Int current_picture_number;	/* picture being operated on */
+}
+DC240;
+
+typedef struct dc240_info_s
+{
+  SANE_Byte model;
+  SANE_Byte ver_major;
+  SANE_Byte ver_minor;
+  SANE_Int pic_taken;
+  SANE_Int pic_left;
+  struct
+  {
+    SANE_Int low_res:1;
+    SANE_Int low_batt:1;
+  }
+  flags;
+}
+Dc240Info, *Dc240InfoPtr;
+
+static SANE_Int get_info (DC240 *);
+
+#define INIT_PCK	{0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                               ^^^^^^^^^^
+ *                               Baud rate: (see pkt_speed structure)
+ *                                 0x96 0x00 -> 9600 baud
+ *                                 0x19 0x20 -> 19200 baud
+ *                                 0x38 0x40 -> 38400 baud
+ *                                 0x57 0x60 -> 57600 baud
+ *                                 0x11 0x52 -> 115200 baud
+ */
+#define INFO_PCK	{0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+#define SHOOT_PCK	{0x7C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+#define ERASE_PCK	{0x9D, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+#define RES_PCK		{0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                                   ^^^^
+ *                                   Resolution: 0x00 = low, 0x01 = high
+ */
+#define THUMBS_PCK	{0x93, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x1A}
+/*  
+ *  
+ */
+#define PICS_PCK	{0x9A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*      
+ *      
+ */
+#define PICS_INFO_PCK	{0x91, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                         
+ *                         
+ */
+#define OPEN_CARD_PCK	{0x96, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+#define READ_DIR_PCK	{0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                                   ^^^^
+ *				     1=Report number of entries only
+ */
+
+struct pkt_speed
+{
+  speed_t baud;
+  SANE_Byte pkt_code[2];
+};
+
+#if defined (B57600) && defined (B115200)
+# define SPEEDS			{ {   B9600, { 0x96, 0x00 } }, \
+				  {  B19200, { 0x19, 0x20 } }, \
+				  {  B38400, { 0x38, 0x40 } }, \
+				  {  B57600, { 0x57, 0x60 } }, \
+				  { B115200, { 0x11, 0x52 } }  }
+#else
+# define SPEEDS			{ {   B9600, { 0x96, 0x00 } }, \
+				  {  B19200, { 0x19, 0x20 } }, \
+				  {  B38400, { 0x38, 0x40 } }  }
+#endif
+
+#define HIGH_RES		0
+#define LOW_RES			1
+
+#define HIGHRES_WIDTH		1280
+#define HIGHRES_HEIGHT		960
+
+#define LOWRES_WIDTH		640
+#define LOWRES_HEIGHT		480
+
+/*
+ *    External definitions
+ */
+
+extern char *__progname;	/* Defined in /usr/lib/crt0.o */
+
+
+struct cam_dirent
+{
+  SANE_Char name[11];
+  SANE_Byte attr;
+  SANE_Byte create_time[2];
+  SANE_Byte creat_date[2];
+  long size;
+};
+
+#ifdef __GNUC__
+#define UNUSEDARG __attribute__ ((unused))
+#else
+#define UNUSEDARG
+#endif
+
+#ifdef OLD
+
+/* This is the layout of the directory in the camera - Unfortunately,
+ * this only works in gcc.
+ */
+struct dir_buf
+{
+  SANE_Byte entries_msb PACKED;
+  SANE_Byte entries_lsb PACKED;
+  struct cam_dirent entry[1000] PACKED;
+};
+#else
+
+/* So, we have to do it the hard way...  */
+
+#define CAMDIRENTRYSIZE 20
+#define DIRENTRIES 1000
+
+
+#define get_name(entry) (SANE_Char*) &dir_buf2[2+CAMDIRENTRYSIZE*(entry)]
+#define get_attr(entry) dir_buf2[2+11+CAMDIRENTRYSIZE*(entry)]
+#define get_create_time(entry) \
+   (  dir_buf2[2+12+CAMDIRENTRYSIZE*(entry)] << 8 \
+    + dir_buf2[2+13+CAMDIRENTRYSIZE*(entry)])
+
+
+#endif
+
+struct cam_dirlist
+{
+  SANE_Char name[48];
+  struct cam_dirlist *next;
+};
+
+
+
+#include <sys/types.h>
+
+FILE *sanei_config_open (const char *filename);
+
+static SANE_Int init_dc240 (DC240 *);
+
+static void close_dc240 (SANE_Int);
+
+static SANE_Int read_data (SANE_Int fd, SANE_Byte * buf, SANE_Int sz);
+
+static SANE_Int end_of_data (SANE_Int fd);
+
+static PictureInfo *get_pictures_info (void);
+
+static SANE_Int get_picture_info (PictureInfo * pic, SANE_Int p);
+
+static SANE_Status snap_pic (SANE_Int fd);
+
+char *sanei_config_read (char *str, int n, FILE * stream);
+
+static SANE_Int read_dir (SANE_String dir);
+
+static SANE_Int read_info (SANE_String fname);
+
+static SANE_Int dir_insert (struct cam_dirent *entry);
+
+static SANE_Int dir_delete (SANE_String name);
+
+static SANE_Int send_data (SANE_Byte * buf);
+
+static void set_res (SANE_Int lowres);