kopia lustrzana https://gitlab.com/sane-project/backends
278 wiersze
7.2 KiB
C
278 wiersze
7.2 KiB
C
/***************************************************************************
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* SANE - Scanner Access Now Easy.
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dc210.c
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11/11/98
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This file (C) 1998 Brian J. Murrell
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This file is part of the SANE package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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As a special exception, the authors of SANE give permission for
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additional uses of the libraries contained in this release of SANE.
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The exception is that, if you link a SANE library with other files
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to produce an executable, this does not by itself cause the
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resulting executable to be covered by the GNU General Public
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License. Your use of that executable is in no way restricted on
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account of linking the SANE library code into it.
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This exception does not, however, invalidate any other reasons why
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the executable file might be covered by the GNU General Public
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License.
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If you submit changes to SANE to the maintainers to be included in
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a subsequent release, you agree by submitting the changes that
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those changes may be distributed with this exception intact.
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If you write modifications of your own for SANE, it is your choice
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whether to permit this exception to apply to your modifications.
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If you do not wish that, delete this exception notice.
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***************************************************************************
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This file implements a SANE backend for the Kodak DC-210
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digital camera. THIS IS EXTREMELY ALPHA CODE! USE AT YOUR OWN RISK!!
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(feedback to: sane-dc210@interlinx.bc.ca
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This backend is based somewhat on the dc25 backend included in this
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package by Peter Fales
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***************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <termios.h>
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#include <string.h>
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#ifndef TRUE
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#define TRUE (1==1)
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#endif
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#ifndef FALSE
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#define FALSE (!TRUE)
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#endif
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#ifndef NULL
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#define NULL 0L
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#endif
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typedef struct picture_info
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{
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unsigned int low_res;
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unsigned int size;
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}
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PictureInfo;
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typedef struct DC210_s
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{
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int fd; /* file descriptor to talk to it */
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char *tty_name; /* the tty port name it's on */
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speed_t baud; /* current tty speed */
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SANE_Bool scanning; /* currently scanning an image? */
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unsigned char model;
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unsigned char ver_major;
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unsigned char ver_minor;
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int pic_taken;
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int pic_left;
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struct
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{
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unsigned int low_res:1;
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unsigned int low_batt:1;
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}
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flags;
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PictureInfo *Pictures; /* array of pictures */
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unsigned int current_picture_number; /* picture being operated on */
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}
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DC210;
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typedef struct dc210_info_s
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{
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unsigned char model;
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unsigned char ver_major;
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unsigned char ver_minor;
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int pic_taken;
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int pic_left;
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struct
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{
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unsigned int low_res:1;
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unsigned int low_batt:1;
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}
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flags;
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}
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Dc210Info, *Dc210InfoPtr;
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static int get_info (DC210 *);
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#define INIT_PCK {0x41, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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/* ^^^^^^^^^^
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* Baud rate: (see pkt_speed structure)
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* 0x96 0x00 -> 9600 baud
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* 0x19 0x20 -> 19200 baud
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* 0x38 0x40 -> 38400 baud
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* 0x57 0x60 -> 57600 baud
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* 0x11 0x52 -> 115200 baud
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*/
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#define INFO_PCK {0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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#define SHOOT_PCK {0x7C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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#define ERASE_PCK {0x7B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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#define RES_PCK {0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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/* ^^^^
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* Resolution: 0x00 = high, 0x01 = low
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*/
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#define THUMBS_PCK {0x66, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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/* ^^^^
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* Thumbnail number
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*/
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#define PICS_PCK {0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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/* ^^^^
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* Picture number
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*/
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#define PICS_INFO_PCK {0x65, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A}
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/* ^^^^
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* Picture number
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*/
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struct pkt_speed
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{
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speed_t baud;
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unsigned char pkt_code[2];
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};
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#if defined (B57600) && defined (B115200)
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# define SPEEDS { { B9600, { 0x96, 0x00 } }, \
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{ B19200, { 0x19, 0x20 } }, \
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{ B38400, { 0x38, 0x40 } }, \
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{ B57600, { 0x57, 0x60 } }, \
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{ B115200, { 0x11, 0x52 } } }
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#else
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# define SPEEDS { { B9600, { 0x96, 0x00 } }, \
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{ B19200, { 0x19, 0x20 } }, \
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{ B38400, { 0x38, 0x40 } } }
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#endif
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#define HIGH_RES 0
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#define LOW_RES 1
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/*
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* Image parameters
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*/
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#define LOW_CAMERA_HEADER 256
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#define HIGH_CAMERA_HEADER 512
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#define CAMERA_HEADER(r) ( (r) ? LOW_CAMERA_HEADER : HIGH_CAMERA_HEADER )
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#define LOW_WIDTH 256
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#define HIGH_WIDTH 512
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#define WIDTH(r) ( (r) ? LOW_WIDTH : HIGH_WIDTH )
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#define HEIGHT 243
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#define LEFT_MARGIN 1
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#define LOW_RIGHT_MARGIN 5
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#define HIGH_RIGHT_MARGIN 10
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#define RIGHT_MARGIN(r) ( (r) ? LOW_RIGHT_MARGIN : HIGH_RIGHT_MARGIN )
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#define TOP_MARGIN 1
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#define BOTTOM_MARGIN 1
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#define BLOCK_SIZE 1024
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#define LOW_BLOCKS 61
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#define HIGH_BLOCKS 122
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#define BLOCKS(r) ( (r) ? LOW_BLOCKS : HIGH_BLOCKS )
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#define LOW_IMAGE_SIZE ( LOW_BLOCKS * BLOCK_SIZE )
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#define HIGH_IMAGE_SIZE ( HIGH_BLOCKS * BLOCK_SIZE )
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#define IMAGE_SIZE(r) ( (r) ? LOW_IMAGE_SIZE : HIGH_IMAGE_SIZE )
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#define MAX_IMAGE_SIZE ( HIGH_IMAGE_SIZE )
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/*
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* Comet file
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*/
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#define COMET_MAGIC "COMET"
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#define COMET_HEADER_SIZE 128
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#define COMET_EXT "cmt"
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/*
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* Pixmap structure
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*/
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struct pixmap
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{
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int width;
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int height;
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int components;
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unsigned char *planes;
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};
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/*
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* Rotations
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*/
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#define ROT_STRAIGHT 0x00
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#define ROT_LEFT 0x01
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#define ROT_RIGHT 0x02
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#define ROT_HEADDOWN 0x03
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#define ROT_MASK 0x03
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/*
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* File formats
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*/
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#define SAVE_RAW 0x01
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#define SAVE_GREYSCALE 0x02
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#define SAVE_24BITS 0x04
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#define SAVE_FILES 0x07
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#define SAVE_FORMATS 0x38
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#define SAVE_ADJASPECT 0x80
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/*
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* External definitions
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*/
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extern char *__progname; /* Defined in /usr/lib/crt0.o */
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#include <sys/types.h>
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FILE *sanei_config_open (const char *filename);
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static int init_dc210 (DC210 *);
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static void close_dc210 (int);
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static int read_data (int fd, unsigned char *buf, int sz);
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static int end_of_data (int fd);
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static PictureInfo *get_pictures_info (void);
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static int get_picture_info (PictureInfo * pic, int p);
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static SANE_Status snap_pic (int);
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char *sanei_config_read (char *str, int n, FILE * stream);
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