Initial import of sane-backends version 1.0.24-1.2

1 files changed, 279 insertions, 0 deletions

diff --git a/backend/dc210.h b/backend/dc210.h
new file mode 100644
index 0000000..fe2b633
--- /dev/null
+++ b/backend/dc210.h
@@ -0,0 +1,279 @@
+/***************************************************************************
+ * SANE - Scanner Access Now Easy.
+
+   dc210.c 
+
+   11/11/98
+
+   This file (C) 1998 Brian J. Murrell
+
+   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-210
+   digital camera.  THIS IS EXTREMELY ALPHA CODE!  USE AT YOUR OWN RISK!! 
+
+   (feedback to:  sane-dc210@interlinx.bc.ca
+
+   This backend is based somewhat on the dc25 backend included in this
+   package by Peter Fales 
+
+ ***************************************************************************/
+
+#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
+  {
+    unsigned int low_res;
+    unsigned int size;
+  }
+PictureInfo;
+
+typedef struct DC210_s
+  {
+    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? */
+    unsigned char model;
+    unsigned char ver_major;
+    unsigned char ver_minor;
+    int pic_taken;
+    int pic_left;
+    struct
+      {
+	unsigned int low_res:1;
+	unsigned int low_batt:1;
+      }
+    flags;
+    PictureInfo *Pictures;	/* array of pictures */
+    unsigned int current_picture_number;	/* picture being operated on */
+  }
+DC210;
+
+typedef struct dc210_info_s
+  {
+    unsigned char model;
+    unsigned char ver_major;
+    unsigned char ver_minor;
+    int pic_taken;
+    int pic_left;
+    struct
+      {
+	unsigned int low_res:1;
+	unsigned int low_batt:1;
+      }
+    flags;
+  }
+Dc210Info, *Dc210InfoPtr;
+
+static int get_info (DC210 *);
+
+#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	{0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+#define RES_PCK		{0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                               ^^^^
+ *                               Resolution: 0x00 = high, 0x01 = low
+ */
+#define THUMBS_PCK	{0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                                     ^^^^
+ *                                     Thumbnail number
+ */
+#define PICS_PCK	{0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                                     ^^^^
+ *                                     Picture number
+ */
+#define PICS_INFO_PCK	{0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
+/*                                     ^^^^
+ *                                     Picture number
+ */
+
+struct pkt_speed
+  {
+    speed_t baud;
+    unsigned char 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
+
+/*
+ *    Image parameters
+ */
+
+#define LOW_CAMERA_HEADER	256
+#define HIGH_CAMERA_HEADER	512
+#define CAMERA_HEADER(r)	( (r) ? LOW_CAMERA_HEADER : HIGH_CAMERA_HEADER )
+
+#define LOW_WIDTH			256
+#define HIGH_WIDTH			512
+#define WIDTH(r)			( (r) ? LOW_WIDTH : HIGH_WIDTH )
+
+#define HEIGHT				243
+
+#define LEFT_MARGIN			1
+
+#define LOW_RIGHT_MARGIN	5
+#define HIGH_RIGHT_MARGIN	10
+#define RIGHT_MARGIN(r)		( (r) ? LOW_RIGHT_MARGIN : HIGH_RIGHT_MARGIN )
+
+#define TOP_MARGIN			1
+
+#define BOTTOM_MARGIN		1
+
+#define BLOCK_SIZE			1024
+
+#define LOW_BLOCKS			61
+#define HIGH_BLOCKS			122
+#define BLOCKS(r)			( (r) ? LOW_BLOCKS : HIGH_BLOCKS )
+
+#define	LOW_IMAGE_SIZE		( LOW_BLOCKS * BLOCK_SIZE )
+#define HIGH_IMAGE_SIZE		( HIGH_BLOCKS * BLOCK_SIZE )
+#define IMAGE_SIZE(r)		( (r) ? LOW_IMAGE_SIZE : HIGH_IMAGE_SIZE )
+#define MAX_IMAGE_SIZE		( HIGH_IMAGE_SIZE )
+
+/*
+ *    Comet file
+ */
+
+#define COMET_MAGIC			"COMET"
+#define COMET_HEADER_SIZE	128
+#define COMET_EXT			"cmt"
+
+/*
+ *    Pixmap structure
+ */
+
+struct pixmap
+  {
+    int width;
+    int height;
+    int components;
+    unsigned char *planes;
+  };
+
+/*
+ *    Rotations
+ */
+
+#define ROT_STRAIGHT	0x00
+#define ROT_LEFT		0x01
+#define ROT_RIGHT		0x02
+#define ROT_HEADDOWN	0x03
+
+#define ROT_MASK		0x03
+
+/*
+ *    File formats
+ */
+
+#define SAVE_RAW		0x01
+#define SAVE_GREYSCALE		0x02
+#define SAVE_24BITS		0x04
+#define SAVE_FILES		0x07
+#define SAVE_FORMATS		0x38
+#define SAVE_ADJASPECT		0x80
+
+/*
+ *    External definitions
+ */
+
+extern char *__progname;	/* Defined in /usr/lib/crt0.o */
+
+
+
+#include <sys/types.h>
+
+FILE *sanei_config_open (const char *filename);
+
+static int init_dc210 (DC210 *);
+
+static void close_dc210 (int);
+
+static int read_data (int fd, unsigned char *buf, int sz);
+
+static int end_of_data (int fd);
+
+static PictureInfo *get_pictures_info (void);
+
+static int get_picture_info (PictureInfo * pic, int p);
+
+static SANE_Status snap_pic (int);
+
+char *sanei_config_read (char *str, int n, FILE * stream);