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Diffstat (limited to 'backend/dc25.h')
| -rw-r--r-- | backend/dc25.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/backend/dc25.h b/backend/dc25.h new file mode 100644 index 0000000..df95271 --- /dev/null +++ b/backend/dc25.h @@ -0,0 +1,276 @@ +/*************************************************************************** + * SANE - Scanner Access Now Easy. + + dc25.h + + 6/1/98 + + This file (C) 1998 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-25 (and + probably the DC-20) digital cameras. THIS IS EXTREMELY ALPHA CODE! + USE AT YOUR OWN RISK!! + + (feedback to: dc25-devel@fales-lorenz.net) + + This backend is based heavily on the dc20ctrl package by Ugo + Paternostro <paterno@dsi.unifi.it>. I've attached his header below: + + *************************************************************************** + + * Copyright (C) 1998 Ugo Paternostro <paterno@dsi.unifi.it> + * + * This file is part of the dc20ctrl package. The complete package can be + * downloaded from: + * http://aguirre.dsi.unifi.it/~paterno/binaries/dc20ctrl.tar.gz + * + * This package is derived from the dc20 package, built by Karl Hakimian + * <hakimian@aha.com> that you can find it at ftp.eecs.wsu.edu in the + * /pub/hakimian directory. The complete URL is: + * ftp://ftp.eecs.wsu.edu/pub/hakimian/dc20.tar.gz + * + * This package also includes a sligthly modified version of the Comet to ppm + * conversion routine written by YOSHIDA Hideki <hideki@yk.rim.or.jp> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + + ***************************************************************************/ + +#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 dc20_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; +} Dc20Info, *Dc20InfoPtr; + +static Dc20Info *get_info (int); + +#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 {0x77, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A} +#define ERASE_PCK {0x7A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A} +#define RES_PCK {0x71, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A} +/* ^^^^ + * Resolution: 0x00 = high, 0x01 = low + */ +#define THUMBS_PCK {0x56, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A} +/* ^^^^ + * Thumbnail number + */ +#define PICS_PCK {0x51, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1A} +/* ^^^^ + * Picture number + */ + +struct pkt_speed { + speed_t baud; + unsigned char pkt_code[2]; +}; + +#define DEFAULT_TTY_BAUD B38400 + +#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; +}; + +#ifdef __GNUC__ +#define UNUSEDARG __attribute__ ((unused)) +#else +#define UNUSEDARG +#endif + +/* + * 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); + +char *sanei_config_read (char *str, int n, FILE * stream); + +static int init_dc20 (char *, speed_t); + +static void close_dc20 (int); + +static int read_data (int fd, unsigned char *buf, int sz); + +static int end_of_data (int fd); + +static int set_pixel_rgb (struct pixmap *, int, int, unsigned char, unsigned char, unsigned char); + +static struct pixmap *alloc_pixmap (int x, int y, int d); + +static void free_pixmap (struct pixmap *p); + +static int zoom_x (struct pixmap *source, struct pixmap *dest); + +static int zoom_y (struct pixmap *source, struct pixmap *dest); + +static int comet_to_pixmap (unsigned char *, struct pixmap *); + + |