2002-07-26 04:03:35 +00:00
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/* sane - Scanner Access Now Easy.
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Copyright (C) 2002 Frank Zago (fzago@greshamstorage.com)
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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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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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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/*
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$Id$
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VM3552 (and maybe VM4552 and VM6552)
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*/
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/*--------------------------------------------------------------------------*/
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2002-08-23 01:35:31 +00:00
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#define BUILD 1 /* 2002/08/06 */
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2002-07-26 04:03:35 +00:00
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#define BACKEND_NAME teco3
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#define TECO_CONFIG_FILE "teco3.conf"
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/*--------------------------------------------------------------------------*/
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#include "../include/sane/config.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include "../include/sane/sane.h"
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#include "../include/sane/sanei.h"
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#include "../include/sane/saneopts.h"
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#include "../include/sane/sanei_scsi.h"
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#include "../include/sane/sanei_debug.h"
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#include "../include/sane/sanei_backend.h"
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#include "../include/sane/sanei_config.h"
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#include "../include/lassert.h"
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#include "teco3.h"
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/*--------------------------------------------------------------------------*/
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/* Lists of possible scan modes. */
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static SANE_String_Const scan_mode_list[] = {
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BLACK_WHITE_STR,
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GRAY_STR,
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COLOR_STR,
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NULL
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};
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/*--------------------------------------------------------------------------*/
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/* Minimum and maximum width and length supported. */
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static SANE_Range x_range = { SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0 };
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static SANE_Range y_range = { SANE_FIX (0), SANE_FIX (14 * MM_PER_INCH), 0 };
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/*--------------------------------------------------------------------------*/
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/* Gamma range */
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static const SANE_Range gamma_range = {
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0, /* minimum */
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255, /* maximum */
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0 /* quantization */
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};
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/*--------------------------------------------------------------------------*/
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/* List of dithering options. */
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static SANE_String_Const dither_list[] = {
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"Line art",
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"2x2",
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"3x3",
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"4x4 bayer",
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"4x4 smooth",
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"8x8 bayer",
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"8x8 smooth",
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"8x8 horizontal",
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"8x8 vertical",
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NULL
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};
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static const int dither_val[] = {
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0x00,
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0x01,
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0x02,
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0x03,
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0x04,
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0x05,
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0x06,
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0x07,
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0x08
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};
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/*--------------------------------------------------------------------------*/
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2002-08-23 01:35:31 +00:00
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static const SANE_Range threshold_range = {
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0, /* minimum */
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255, /* maximum */
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0 /* quantization */
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};
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/*--------------------------------------------------------------------------*/
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2002-07-26 04:03:35 +00:00
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/* Define the supported scanners and their characteristics. */
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static const struct scanners_supported scanners[] = {
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{
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6, "TECO VM3552",
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TECO_VM3552,
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"Relisys", "Scorpio",
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{1, 1200, 1}, /* resolution range */
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300, 1200 /* max x and Y resolution */
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}
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};
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/*--------------------------------------------------------------------------*/
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/* List of scanner attached. */
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static Teco_Scanner *first_dev = NULL;
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static int num_devices = 0;
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static const SANE_Device **devlist = NULL;
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/* Local functions. */
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/* Display a buffer in the log. */
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static void
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hexdump (int level, char *comment, unsigned char *p, int l)
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{
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int i;
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char line[128];
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char *ptr;
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char asc_buf[17];
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char *asc_ptr;
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DBG (level, "%s\n", comment);
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ptr = line;
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*ptr = '\0';
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asc_ptr = asc_buf;
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*asc_ptr = '\0';
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for (i = 0; i < l; i++, p++)
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{
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if ((i % 16) == 0)
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{
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if (ptr != line)
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{
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DBG (level, "%s %s\n", line, asc_buf);
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ptr = line;
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*ptr = '\0';
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asc_ptr = asc_buf;
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*asc_ptr = '\0';
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}
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sprintf (ptr, "%3.3d:", i);
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ptr += 4;
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}
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ptr += sprintf (ptr, " %2.2x", *p);
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if (*p >= 32 && *p <= 127)
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{
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asc_ptr += sprintf (asc_ptr, "%c", *p);
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}
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else
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{
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asc_ptr += sprintf (asc_ptr, ".");
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}
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}
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*ptr = '\0';
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DBG (level, "%s %s\n", line, asc_buf);
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}
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/* Returns the length of the longest string, including the terminating
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* character. */
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static size_t
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max_string_size (SANE_String_Const strings[])
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{
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size_t size, max_size = 0;
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int i;
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for (i = 0; strings[i]; ++i)
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{
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size = strlen (strings[i]) + 1;
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if (size > max_size)
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{
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max_size = size;
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}
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}
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return max_size;
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}
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/* Lookup a string list from one array and return its index. */
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static int
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get_string_list_index (SANE_String_Const list[], SANE_String_Const name)
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{
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int index;
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index = 0;
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while (list[index] != NULL)
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{
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if (strcmp (list[index], name) == 0)
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{
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return (index);
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}
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index++;
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}
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DBG (DBG_error, "name %s not found in list\n", name);
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assert (0 == 1); /* bug in backend, core dump */
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return (-1);
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}
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/* Initialize a scanner entry. Return an allocated scanner with some
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* preset values. */
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static Teco_Scanner *
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teco_init (void)
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{
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Teco_Scanner *dev;
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DBG (DBG_proc, "teco_init: enter\n");
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/* Allocate a new scanner entry. */
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dev = malloc (sizeof (Teco_Scanner));
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if (dev == NULL)
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{
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return NULL;
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}
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memset (dev, 0, sizeof (Teco_Scanner));
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/* Allocate the buffer used to transfer the SCSI data. */
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dev->buffer_size = 64 * 1024;
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dev->buffer = malloc (dev->buffer_size);
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if (dev->buffer == NULL)
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{
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free (dev);
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return NULL;
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}
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dev->sfd = -1;
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DBG (DBG_proc, "teco_init: exit\n");
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return (dev);
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}
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/* Closes an open scanner. */
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static void
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teco_close (Teco_Scanner * dev)
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{
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DBG (DBG_proc, "teco_close: enter\n");
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if (dev->sfd != -1)
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{
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sanei_scsi_close (dev->sfd);
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dev->sfd = -1;
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}
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DBG (DBG_proc, "teco_close: exit\n");
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}
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/* Frees the memory used by a scanner. */
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static void
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teco_free (Teco_Scanner * dev)
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{
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int i;
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DBG (DBG_proc, "teco_free: enter\n");
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if (dev == NULL)
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return;
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teco_close (dev);
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if (dev->devicename)
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{
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free (dev->devicename);
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}
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if (dev->buffer)
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{
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free (dev->buffer);
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}
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if (dev->image)
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{
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free (dev->image);
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}
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for (i = 1; i < OPT_NUM_OPTIONS; i++)
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{
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if (dev->opt[i].type == SANE_TYPE_STRING && dev->val[i].s)
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{
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free (dev->val[i].s);
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}
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}
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free (dev);
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DBG (DBG_proc, "teco_free: exit\n");
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}
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/* Inquiry a device and returns TRUE if is supported. */
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static int
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teco_identify_scanner (Teco_Scanner * dev)
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{
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CDB cdb;
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SANE_Status status;
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size_t size;
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int i;
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DBG (DBG_proc, "teco_identify_scanner: enter\n");
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size = 5;
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MKSCSI_INQUIRY (cdb, size);
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status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
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NULL, 0, dev->buffer, &size);
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if (status)
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{
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DBG (DBG_error,
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"teco_identify_scanner: inquiry failed with status %s\n",
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sane_strstatus (status));
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return (SANE_FALSE);
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}
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size = dev->buffer[4] + 5; /* total length of the inquiry data */
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if (size < 53)
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{
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DBG (DBG_error,
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"teco_identify_scanner: not enough data to identify device\n");
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return (SANE_FALSE);
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}
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MKSCSI_INQUIRY (cdb, size);
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status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
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NULL, 0, dev->buffer, &size);
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if (status)
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{
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DBG (DBG_error,
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"teco_identify_scanner: inquiry failed with status %s\n",
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sane_strstatus (status));
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return (SANE_FALSE);
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}
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hexdump (DBG_info2, "inquiry", dev->buffer, size);
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dev->scsi_type = dev->buffer[0] & 0x1f;
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memcpy (dev->scsi_vendor, dev->buffer + 0x08, 0x08);
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dev->scsi_vendor[0x08] = 0;
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memcpy (dev->scsi_product, dev->buffer + 0x10, 0x010);
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dev->scsi_product[0x10] = 0;
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memcpy (dev->scsi_version, dev->buffer + 0x20, 0x04);
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dev->scsi_version[0x04] = 0;
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memcpy (dev->scsi_teco_name, dev->buffer + 0x2A, 0x0B);
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dev->scsi_teco_name[0x0B] = 0;
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DBG (DBG_info, "device is \"%s\" \"%s\" \"%s\" \"%s\"\n",
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dev->scsi_vendor, dev->scsi_product, dev->scsi_version,
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dev->scsi_teco_name);
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/* Lookup through the supported scanners table to find if this
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|
|
* backend supports that one. */
|
|
|
|
for (i = 0; i < NELEMS (scanners); i++)
|
|
|
|
{
|
|
|
|
|
|
|
|
if (dev->scsi_type == scanners[i].scsi_type &&
|
|
|
|
strcmp (dev->scsi_teco_name, scanners[i].scsi_teco_name) == 0)
|
|
|
|
{
|
|
|
|
|
|
|
|
DBG (DBG_error, "teco_identify_scanner: scanner supported\n");
|
|
|
|
|
|
|
|
dev->def = &(scanners[i]);
|
|
|
|
|
|
|
|
return (SANE_TRUE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_identify_scanner: exit, device not supported\n");
|
|
|
|
|
|
|
|
return (SANE_FALSE);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* SCSI sense handler. Callback for SANE.
|
|
|
|
* These scanners never set asc or ascq. */
|
|
|
|
static SANE_Status
|
|
|
|
teco_sense_handler (int scsi_fd, unsigned char *result, void *arg)
|
|
|
|
{
|
|
|
|
int sensekey;
|
|
|
|
int len;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_sense_handler: enter\n");
|
|
|
|
|
|
|
|
arg = arg; /* silence gcc */
|
|
|
|
scsi_fd = scsi_fd; /* silence gcc */
|
|
|
|
|
|
|
|
sensekey = get_RS_sense_key (result);
|
|
|
|
len = 7 + get_RS_additional_length (result);
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "sense", result, len);
|
|
|
|
|
|
|
|
if (get_RS_error_code (result) != 0x70)
|
|
|
|
{
|
|
|
|
DBG (DBG_error,
|
|
|
|
"teco_sense_handler: invalid sense key error code (%d)\n",
|
|
|
|
get_RS_error_code (result));
|
|
|
|
|
|
|
|
return SANE_STATUS_IO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (len < 14)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "teco_sense_handler: sense too short, no ASC/ASCQ\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_IO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_sense, "teco_sense_handler: sense=%d\n", sensekey);
|
|
|
|
|
|
|
|
if (sensekey == 0x00)
|
|
|
|
{
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
return SANE_STATUS_IO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set a window. */
|
|
|
|
static SANE_Status
|
|
|
|
teco_set_window (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
size_t window_size;
|
|
|
|
CDB cdb;
|
|
|
|
unsigned char window[255];
|
|
|
|
SANE_Status status;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_set_window: enter\n");
|
|
|
|
|
|
|
|
/* size of the whole windows block */
|
|
|
|
switch (dev->def->tecoref)
|
|
|
|
{
|
|
|
|
case TECO_VM3552:
|
|
|
|
window_size = 69;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
assert(0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
MKSCSI_SET_WINDOW (cdb, window_size);
|
|
|
|
|
|
|
|
memset (window, 0, window_size);
|
|
|
|
|
|
|
|
/* size of the windows descriptor block */
|
|
|
|
window[7] = window_size - 8;
|
|
|
|
|
|
|
|
/* X and Y resolution */
|
|
|
|
Ito16 (dev->x_resolution, &window[10]);
|
|
|
|
Ito16 (dev->y_resolution, &window[12]);
|
|
|
|
|
|
|
|
/* Upper Left (X,Y) */
|
|
|
|
Ito32 (dev->x_tl, &window[14]);
|
|
|
|
Ito32 (dev->y_tl, &window[18]);
|
|
|
|
|
|
|
|
/* Width and length */
|
|
|
|
Ito32 (dev->width, &window[22]);
|
|
|
|
Ito32 (dev->length, &window[26]);
|
|
|
|
|
|
|
|
/* Image Composition */
|
|
|
|
switch (dev->scan_mode)
|
|
|
|
{
|
|
|
|
case TECO_BW:
|
2002-08-23 01:35:31 +00:00
|
|
|
window[31] = dev->val[OPT_THRESHOLD].w;
|
2002-07-26 04:03:35 +00:00
|
|
|
window[33] = 0x00;
|
|
|
|
i = get_string_list_index (dither_list, dev->val[OPT_DITHER].s);
|
|
|
|
window[36] = dither_val[i];
|
|
|
|
break;
|
|
|
|
case TECO_GRAYSCALE:
|
2002-08-23 01:35:31 +00:00
|
|
|
window[31] = 0x80;
|
2002-07-26 04:03:35 +00:00
|
|
|
window[33] = 0x02;
|
|
|
|
break;
|
|
|
|
case TECO_COLOR:
|
2002-08-23 01:35:31 +00:00
|
|
|
window[31] = 0x80;
|
2002-07-26 04:03:35 +00:00
|
|
|
window[33] = 0x05;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Depth */
|
|
|
|
window[34] = dev->depth;
|
|
|
|
|
|
|
|
/* Unknown - invariants */
|
|
|
|
window[37] = 0x80;
|
|
|
|
|
|
|
|
switch (dev->def->tecoref)
|
|
|
|
{
|
|
|
|
case TECO_VM3552:
|
|
|
|
window[48] = 0x01;
|
|
|
|
window[50] = 0x02;
|
|
|
|
window[53] = 0xff;
|
|
|
|
window[57] = 0xff;
|
|
|
|
window[61] = 0xff;
|
|
|
|
window[65] = 0xff;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "windows", window, window_size);
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
|
|
window, window_size, NULL, NULL);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_set_window: exit, status=%d\n", status);
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Park the CCD */
|
|
|
|
static SANE_Status
|
|
|
|
teco_reset_window (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
SANE_Status status;
|
|
|
|
CDB cdb;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_reset_window: enter\n");
|
|
|
|
|
|
|
|
MKSCSI_OBJECT_POSITION (cdb, 0);
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "CDB:", cdb.data, cdb.len);
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, NULL, NULL);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_reset_window: leave, status=%d\n", status);
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the number of byte that can be read. */
|
|
|
|
static SANE_Status
|
|
|
|
get_filled_data_length (Teco_Scanner * dev, size_t * to_read)
|
|
|
|
{
|
|
|
|
size_t size;
|
|
|
|
CDB cdb;
|
|
|
|
SANE_Status status;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "get_filled_data_length: enter\n");
|
|
|
|
|
|
|
|
*to_read = 0;
|
|
|
|
|
|
|
|
size = 0x12;
|
|
|
|
MKSCSI_GET_DATA_BUFFER_STATUS (cdb, 1, size);
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
|
|
NULL, 0, dev->buffer, &size);
|
|
|
|
|
|
|
|
if (size < 0x10)
|
|
|
|
{
|
|
|
|
DBG (DBG_error,
|
|
|
|
"get_filled_data_length: not enough data returned (%ld)\n",
|
|
|
|
(long) size);
|
|
|
|
}
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "get_filled_data_length return", dev->buffer, size);
|
|
|
|
|
|
|
|
*to_read = B24TOI (&dev->buffer[9]);
|
|
|
|
|
|
|
|
DBG (DBG_info, "%d %d - %d %d\n",
|
|
|
|
dev->params.lines, B16TOI (&dev->buffer[12]),
|
|
|
|
dev->params.bytes_per_line, B16TOI (&dev->buffer[14]));
|
|
|
|
|
|
|
|
if (dev->real_bytes_left == 0)
|
|
|
|
{
|
|
|
|
|
|
|
|
DBG (DBG_error,
|
|
|
|
"get_filled_data_length: internal scanner buffer size is %d bytes\n",
|
|
|
|
B24TOI (&dev->buffer[6]));
|
|
|
|
|
|
|
|
/* Beginning of a scan. */
|
|
|
|
dev->params.lines = B16TOI (&dev->buffer[12]);
|
|
|
|
dev->bytes_per_raster = B16TOI (&dev->buffer[14]);
|
|
|
|
|
|
|
|
switch (dev->scan_mode)
|
|
|
|
{
|
|
|
|
case TECO_BW:
|
|
|
|
dev->params.bytes_per_line = B16TOI (&dev->buffer[14]);
|
|
|
|
dev->params.pixels_per_line = dev->params.bytes_per_line * 8;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TECO_GRAYSCALE:
|
|
|
|
dev->params.pixels_per_line = B16TOI (&dev->buffer[14]);
|
|
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TECO_COLOR:
|
|
|
|
dev->params.pixels_per_line = B16TOI (&dev->buffer[14]);
|
|
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line * 3;
|
|
|
|
if (dev->buffer[17] == 0x07)
|
|
|
|
{
|
|
|
|
/* There is no RAM extension present. The colors will
|
|
|
|
* be shifted and the backend will need to fix that.
|
|
|
|
*/
|
|
|
|
dev->does_color_shift = 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
dev->does_color_shift = 0;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_info, "get_filled_data_length: to read = %ld\n", (long) *to_read);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "get_filled_data_length: exit, status=%d\n", status);
|
|
|
|
|
|
|
|
return (status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Start a scan. */
|
|
|
|
static SANE_Status
|
|
|
|
teco_scan (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
CDB cdb;
|
|
|
|
SANE_Status status;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_scan: enter\n");
|
|
|
|
|
|
|
|
MKSCSI_SCAN (cdb);
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, NULL, NULL);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_scan: exit, status=%d\n", status);
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Do some vendor specific stuff. */
|
|
|
|
static SANE_Status
|
|
|
|
teco_vendor_spec (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
CDB cdb;
|
|
|
|
SANE_Status status;
|
|
|
|
size_t size;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_vendor_spec: enter\n");
|
|
|
|
|
|
|
|
size = 0x7800;
|
|
|
|
|
|
|
|
cdb.data[0] = 0x09;
|
|
|
|
cdb.data[1] = 0;
|
|
|
|
cdb.data[2] = 0;
|
|
|
|
cdb.data[3] = (size >> 8) & 0xff;
|
|
|
|
cdb.data[4] = (size >> 0) & 0xff;
|
|
|
|
cdb.data[5] = 0;
|
|
|
|
cdb.len = 6;
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
|
|
NULL, 0, dev->buffer, &size);
|
|
|
|
|
|
|
|
/*hexdump (DBG_info2, "calibration:", dev->buffer, size); */
|
|
|
|
|
|
|
|
cdb.data[0] = 0x0E;
|
|
|
|
cdb.data[1] = 0;
|
|
|
|
cdb.data[2] = 0;
|
|
|
|
cdb.data[3] = 0;
|
|
|
|
cdb.data[4] = 0;
|
|
|
|
cdb.data[5] = 0;
|
|
|
|
cdb.len = 6;
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, NULL, NULL);
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Send the gamma */
|
|
|
|
static SANE_Status
|
|
|
|
teco_send_gamma (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
CDB cdb;
|
|
|
|
SANE_Status status;
|
|
|
|
struct
|
|
|
|
{
|
|
|
|
unsigned char gamma_R[GAMMA_LENGTH];
|
|
|
|
unsigned char gamma_G[GAMMA_LENGTH]; /* also gray */
|
|
|
|
unsigned char gamma_B[GAMMA_LENGTH];
|
|
|
|
unsigned char gamma_unused[GAMMA_LENGTH];
|
|
|
|
}
|
|
|
|
param;
|
|
|
|
size_t i;
|
|
|
|
size_t size;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_send_gamma: enter\n");
|
|
|
|
|
|
|
|
size = sizeof (param);
|
|
|
|
assert (size == 4 * GAMMA_LENGTH);
|
|
|
|
MKSCSI_SEND_10 (cdb, 0x03, 0x02, size);
|
|
|
|
|
|
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
|
|
{
|
|
|
|
/* Use the custom gamma. */
|
|
|
|
if (dev->scan_mode == TECO_GRAYSCALE)
|
|
|
|
{
|
|
|
|
/* Gray */
|
|
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
|
|
{
|
|
|
|
param.gamma_R[i] = 0;
|
|
|
|
param.gamma_G[i] = dev->gamma_GRAY[i];
|
|
|
|
param.gamma_B[i] = 0;
|
|
|
|
param.gamma_unused[i] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Color */
|
|
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
|
|
{
|
|
|
|
param.gamma_R[i] = dev->gamma_R[i];
|
|
|
|
param.gamma_G[i] = dev->gamma_G[i];
|
|
|
|
param.gamma_B[i] = dev->gamma_B[i];
|
|
|
|
param.gamma_unused[i] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
|
|
{
|
|
|
|
param.gamma_R[i] = i / 4;
|
|
|
|
param.gamma_G[i] = i / 4;
|
|
|
|
param.gamma_B[i] = i / 4;
|
|
|
|
param.gamma_unused[i] = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "teco_send_gamma:", cdb.data, cdb.len);
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
|
|
¶m, size, NULL, NULL);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_send_gamma: exit, status=%d\n", status);
|
|
|
|
|
|
|
|
return (status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Attach a scanner to this backend. */
|
|
|
|
static SANE_Status
|
|
|
|
attach_scanner (const char *devicename, Teco_Scanner ** devp)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev;
|
|
|
|
SANE_Status status;
|
|
|
|
int sfd;
|
|
|
|
|
|
|
|
DBG (DBG_sane_proc, "attach_scanner: %s\n", devicename);
|
|
|
|
|
|
|
|
if (devp)
|
|
|
|
*devp = NULL;
|
|
|
|
|
|
|
|
/* Check if we know this device name. */
|
|
|
|
for (dev = first_dev; dev; dev = dev->next)
|
|
|
|
{
|
|
|
|
if (strcmp (dev->sane.name, devicename) == 0)
|
|
|
|
{
|
|
|
|
if (devp)
|
|
|
|
{
|
|
|
|
*devp = dev;
|
|
|
|
}
|
|
|
|
DBG (DBG_info, "device is already known\n");
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Allocate a new scanner entry. */
|
|
|
|
dev = teco_init ();
|
|
|
|
if (dev == NULL)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "ERROR: not enough memory\n");
|
|
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_info, "attach_scanner: opening %s\n", devicename);
|
|
|
|
|
|
|
|
status = sanei_scsi_open (devicename, &sfd, teco_sense_handler, dev);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "ERROR: attach_scanner: open failed (%s)\n",
|
|
|
|
sane_strstatus (status));
|
|
|
|
teco_free (dev);
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fill some scanner specific values. */
|
|
|
|
dev->devicename = strdup (devicename);
|
|
|
|
dev->sfd = sfd;
|
|
|
|
|
|
|
|
/* Now, check that it is a scanner we support. */
|
|
|
|
if (teco_identify_scanner (dev) == SANE_FALSE)
|
|
|
|
{
|
|
|
|
DBG (DBG_error,
|
|
|
|
"ERROR: attach_scanner: scanner-identification failed\n");
|
|
|
|
teco_free (dev);
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
teco_close (dev);
|
|
|
|
|
|
|
|
/* Set the default options for that scanner. */
|
|
|
|
dev->sane.name = dev->devicename;
|
|
|
|
dev->sane.vendor = dev->def->real_vendor;
|
|
|
|
dev->sane.model = dev->def->real_product;
|
|
|
|
dev->sane.type = "flatbed scanner";
|
|
|
|
|
|
|
|
/* Link the scanner with the others. */
|
|
|
|
dev->next = first_dev;
|
|
|
|
first_dev = dev;
|
|
|
|
|
|
|
|
if (devp)
|
|
|
|
{
|
|
|
|
*devp = dev;
|
|
|
|
}
|
|
|
|
|
|
|
|
num_devices++;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "attach_scanner: exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
static SANE_Status
|
|
|
|
attach_one (const char *dev)
|
|
|
|
{
|
|
|
|
attach_scanner (dev, NULL);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Reset the options for that scanner. */
|
|
|
|
static void
|
|
|
|
teco_init_options (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
/* Pre-initialize the options. */
|
|
|
|
memset (dev->opt, 0, sizeof (dev->opt));
|
|
|
|
memset (dev->val, 0, sizeof (dev->val));
|
|
|
|
|
|
|
|
for (i = 0; i < OPT_NUM_OPTIONS; ++i)
|
|
|
|
{
|
|
|
|
dev->opt[i].size = sizeof (SANE_Word);
|
|
|
|
dev->opt[i].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Number of options. */
|
|
|
|
dev->opt[OPT_NUM_OPTS].name = "";
|
|
|
|
dev->opt[OPT_NUM_OPTS].title = SANE_TITLE_NUM_OPTIONS;
|
|
|
|
dev->opt[OPT_NUM_OPTS].desc = SANE_DESC_NUM_OPTIONS;
|
|
|
|
dev->opt[OPT_NUM_OPTS].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_NUM_OPTS].cap = SANE_CAP_SOFT_DETECT;
|
|
|
|
dev->val[OPT_NUM_OPTS].w = OPT_NUM_OPTIONS;
|
|
|
|
|
|
|
|
/* Mode group */
|
|
|
|
dev->opt[OPT_MODE_GROUP].title = SANE_TITLE_SCAN_MODE;
|
|
|
|
dev->opt[OPT_MODE_GROUP].desc = ""; /* not valid for a group */
|
|
|
|
dev->opt[OPT_MODE_GROUP].type = SANE_TYPE_GROUP;
|
|
|
|
dev->opt[OPT_MODE_GROUP].cap = 0;
|
|
|
|
dev->opt[OPT_MODE_GROUP].size = 0;
|
|
|
|
dev->opt[OPT_MODE_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
|
|
|
|
|
|
|
|
/* Scanner supported modes */
|
|
|
|
dev->opt[OPT_MODE].name = SANE_NAME_SCAN_MODE;
|
|
|
|
dev->opt[OPT_MODE].title = SANE_TITLE_SCAN_MODE;
|
|
|
|
dev->opt[OPT_MODE].desc = SANE_DESC_SCAN_MODE;
|
|
|
|
dev->opt[OPT_MODE].type = SANE_TYPE_STRING;
|
|
|
|
dev->opt[OPT_MODE].size = max_string_size (scan_mode_list);
|
|
|
|
dev->opt[OPT_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST;
|
|
|
|
dev->opt[OPT_MODE].constraint.string_list = scan_mode_list;
|
|
|
|
dev->val[OPT_MODE].s = (SANE_Char *) strdup (""); /* will be set later */
|
|
|
|
|
|
|
|
/* X and Y resolution */
|
|
|
|
dev->opt[OPT_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION;
|
|
|
|
dev->opt[OPT_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION;
|
|
|
|
dev->opt[OPT_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION;
|
|
|
|
dev->opt[OPT_RESOLUTION].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_RESOLUTION].unit = SANE_UNIT_DPI;
|
|
|
|
dev->opt[OPT_RESOLUTION].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_RESOLUTION].constraint.range = &dev->def->res_range;
|
|
|
|
dev->val[OPT_RESOLUTION].w = 100;
|
|
|
|
|
|
|
|
/* Geometry group */
|
|
|
|
dev->opt[OPT_GEOMETRY_GROUP].title = SANE_I18N ("Geometry");
|
|
|
|
dev->opt[OPT_GEOMETRY_GROUP].desc = ""; /* not valid for a group */
|
|
|
|
dev->opt[OPT_GEOMETRY_GROUP].type = SANE_TYPE_GROUP;
|
|
|
|
dev->opt[OPT_GEOMETRY_GROUP].cap = 0;
|
|
|
|
dev->opt[OPT_GEOMETRY_GROUP].size = 0;
|
|
|
|
dev->opt[OPT_GEOMETRY_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
|
|
|
|
|
|
|
|
/* Upper left X */
|
|
|
|
dev->opt[OPT_TL_X].name = SANE_NAME_SCAN_TL_X;
|
|
|
|
dev->opt[OPT_TL_X].title = SANE_TITLE_SCAN_TL_X;
|
|
|
|
dev->opt[OPT_TL_X].desc = SANE_DESC_SCAN_TL_X;
|
|
|
|
dev->opt[OPT_TL_X].type = SANE_TYPE_FIXED;
|
|
|
|
dev->opt[OPT_TL_X].unit = SANE_UNIT_MM;
|
|
|
|
dev->opt[OPT_TL_X].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_TL_X].constraint.range = &x_range;
|
|
|
|
dev->val[OPT_TL_X].w = x_range.min;
|
|
|
|
|
|
|
|
/* Upper left Y */
|
|
|
|
dev->opt[OPT_TL_Y].name = SANE_NAME_SCAN_TL_Y;
|
|
|
|
dev->opt[OPT_TL_Y].title = SANE_TITLE_SCAN_TL_Y;
|
|
|
|
dev->opt[OPT_TL_Y].desc = SANE_DESC_SCAN_TL_Y;
|
|
|
|
dev->opt[OPT_TL_Y].type = SANE_TYPE_FIXED;
|
|
|
|
dev->opt[OPT_TL_Y].unit = SANE_UNIT_MM;
|
|
|
|
dev->opt[OPT_TL_Y].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_TL_Y].constraint.range = &y_range;
|
|
|
|
dev->val[OPT_TL_Y].w = y_range.min;
|
|
|
|
|
|
|
|
/* Bottom-right x */
|
|
|
|
dev->opt[OPT_BR_X].name = SANE_NAME_SCAN_BR_X;
|
|
|
|
dev->opt[OPT_BR_X].title = SANE_TITLE_SCAN_BR_X;
|
|
|
|
dev->opt[OPT_BR_X].desc = SANE_DESC_SCAN_BR_X;
|
|
|
|
dev->opt[OPT_BR_X].type = SANE_TYPE_FIXED;
|
|
|
|
dev->opt[OPT_BR_X].unit = SANE_UNIT_MM;
|
|
|
|
dev->opt[OPT_BR_X].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_BR_X].constraint.range = &x_range;
|
|
|
|
dev->val[OPT_BR_X].w = x_range.max;
|
|
|
|
|
|
|
|
/* Bottom-right y */
|
|
|
|
dev->opt[OPT_BR_Y].name = SANE_NAME_SCAN_BR_Y;
|
|
|
|
dev->opt[OPT_BR_Y].title = SANE_TITLE_SCAN_BR_Y;
|
|
|
|
dev->opt[OPT_BR_Y].desc = SANE_DESC_SCAN_BR_Y;
|
|
|
|
dev->opt[OPT_BR_Y].type = SANE_TYPE_FIXED;
|
|
|
|
dev->opt[OPT_BR_Y].unit = SANE_UNIT_MM;
|
|
|
|
dev->opt[OPT_BR_Y].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_BR_Y].constraint.range = &y_range;
|
|
|
|
dev->val[OPT_BR_Y].w = y_range.max;
|
|
|
|
|
|
|
|
/* Enhancement group */
|
|
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].title = SANE_I18N ("Enhancement");
|
|
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].desc = ""; /* not valid for a group */
|
|
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].type = SANE_TYPE_GROUP;
|
|
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].cap = SANE_CAP_ADVANCED;
|
|
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].size = 0;
|
|
|
|
dev->opt[OPT_ENHANCEMENT_GROUP].constraint_type = SANE_CONSTRAINT_NONE;
|
|
|
|
|
|
|
|
/* Halftone pattern */
|
|
|
|
dev->opt[OPT_DITHER].name = "dither";
|
|
|
|
dev->opt[OPT_DITHER].title = SANE_I18N ("Dither");
|
|
|
|
dev->opt[OPT_DITHER].desc = SANE_I18N ("Dither");
|
|
|
|
dev->opt[OPT_DITHER].type = SANE_TYPE_STRING;
|
|
|
|
dev->opt[OPT_DITHER].size = max_string_size (dither_list);
|
|
|
|
dev->opt[OPT_DITHER].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_DITHER].constraint_type = SANE_CONSTRAINT_STRING_LIST;
|
|
|
|
dev->opt[OPT_DITHER].constraint.string_list = dither_list;
|
|
|
|
dev->val[OPT_DITHER].s = strdup (dither_list[0]);
|
|
|
|
|
|
|
|
/* custom-gamma table */
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].name = SANE_NAME_CUSTOM_GAMMA;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].title = SANE_TITLE_CUSTOM_GAMMA;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].desc = SANE_DESC_CUSTOM_GAMMA;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].type = SANE_TYPE_BOOL;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->val[OPT_CUSTOM_GAMMA].w = SANE_FALSE;
|
|
|
|
|
|
|
|
/* red gamma vector */
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].name = SANE_NAME_GAMMA_VECTOR_R;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].title = SANE_TITLE_GAMMA_VECTOR_R;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].desc = SANE_DESC_GAMMA_VECTOR_R;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].unit = SANE_UNIT_NONE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].constraint.range = &gamma_range;
|
|
|
|
dev->val[OPT_GAMMA_VECTOR_R].wa = dev->gamma_R;
|
|
|
|
|
|
|
|
/* green and gamma vector */
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].name = SANE_NAME_GAMMA_VECTOR_G;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].title = SANE_TITLE_GAMMA_VECTOR_G;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].desc = SANE_DESC_GAMMA_VECTOR_G;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].unit = SANE_UNIT_NONE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].constraint.range = &gamma_range;
|
|
|
|
dev->val[OPT_GAMMA_VECTOR_G].wa = dev->gamma_G;
|
|
|
|
|
|
|
|
/* blue gamma vector */
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].name = SANE_NAME_GAMMA_VECTOR_B;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].title = SANE_TITLE_GAMMA_VECTOR_B;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].desc = SANE_DESC_GAMMA_VECTOR_B;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].unit = SANE_UNIT_NONE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].constraint.range = &gamma_range;
|
|
|
|
dev->val[OPT_GAMMA_VECTOR_B].wa = dev->gamma_B;
|
|
|
|
|
|
|
|
/* grayscale gamma vector */
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].name = SANE_NAME_GAMMA_VECTOR;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].title = SANE_TITLE_GAMMA_VECTOR;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].desc = SANE_DESC_GAMMA_VECTOR;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].unit = SANE_UNIT_NONE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].size = GAMMA_LENGTH * sizeof (SANE_Word);
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].constraint.range = &gamma_range;
|
|
|
|
dev->val[OPT_GAMMA_VECTOR_GRAY].wa = dev->gamma_GRAY;
|
|
|
|
|
2002-08-23 01:35:31 +00:00
|
|
|
/* Threshold */
|
|
|
|
dev->opt[OPT_THRESHOLD].name = SANE_NAME_THRESHOLD;
|
|
|
|
dev->opt[OPT_THRESHOLD].title = SANE_TITLE_THRESHOLD;
|
|
|
|
dev->opt[OPT_THRESHOLD].desc = SANE_DESC_THRESHOLD;
|
|
|
|
dev->opt[OPT_THRESHOLD].type = SANE_TYPE_INT;
|
|
|
|
dev->opt[OPT_THRESHOLD].unit = SANE_UNIT_NONE;
|
|
|
|
dev->opt[OPT_THRESHOLD].size = sizeof (SANE_Int);
|
|
|
|
dev->opt[OPT_THRESHOLD].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_THRESHOLD].constraint_type = SANE_CONSTRAINT_RANGE;
|
|
|
|
dev->opt[OPT_THRESHOLD].constraint.range = &threshold_range;
|
|
|
|
dev->val[OPT_THRESHOLD].w = 128;
|
|
|
|
|
2002-07-26 04:03:35 +00:00
|
|
|
/* preview */
|
|
|
|
dev->opt[OPT_PREVIEW].name = SANE_NAME_PREVIEW;
|
|
|
|
dev->opt[OPT_PREVIEW].title = SANE_TITLE_PREVIEW;
|
|
|
|
dev->opt[OPT_PREVIEW].desc = SANE_DESC_PREVIEW;
|
|
|
|
dev->opt[OPT_PREVIEW].type = SANE_TYPE_BOOL;
|
|
|
|
dev->opt[OPT_PREVIEW].cap = SANE_CAP_SOFT_DETECT | SANE_CAP_SOFT_SELECT;
|
|
|
|
dev->val[OPT_PREVIEW].w = SANE_FALSE;
|
|
|
|
|
|
|
|
/* Lastly, set the default scan mode. This might change some
|
|
|
|
* values previously set here. */
|
|
|
|
sane_control_option (dev, OPT_MODE, SANE_ACTION_SET_VALUE,
|
|
|
|
(SANE_String_Const *) scan_mode_list[0], NULL);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Wait until the scanner is ready.
|
|
|
|
*/
|
|
|
|
static SANE_Status
|
|
|
|
teco_wait_scanner (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
SANE_Status status;
|
|
|
|
int timeout;
|
|
|
|
CDB cdb;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_wait_scanner: enter\n");
|
|
|
|
|
|
|
|
MKSCSI_TEST_UNIT_READY (cdb);
|
|
|
|
|
|
|
|
/* Set the timeout to 60 seconds. */
|
|
|
|
timeout = 60;
|
|
|
|
|
|
|
|
while (timeout > 0)
|
|
|
|
{
|
|
|
|
|
|
|
|
/* test unit ready */
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
|
|
NULL, 0, NULL, NULL);
|
|
|
|
|
|
|
|
if (status == SANE_STATUS_GOOD)
|
|
|
|
{
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
sleep (1);
|
|
|
|
};
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_wait_scanner: scanner not ready\n");
|
|
|
|
return (SANE_STATUS_IO_ERROR);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Get the sense
|
|
|
|
*/
|
|
|
|
static SANE_Status
|
|
|
|
teco_query_sense (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
SANE_Status status;
|
|
|
|
unsigned char buf[255];
|
|
|
|
CDB cdb;
|
|
|
|
size_t size;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_wait_scanner: enter\n");
|
|
|
|
|
|
|
|
size = sizeof (buf);
|
|
|
|
MKSCSI_REQUEST_SENSE (cdb, size);
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, buf, &size);
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "sense", buf, size);
|
|
|
|
|
|
|
|
DBG (DBG_error, "teco_query_sense: return (%s)\n", sane_strstatus (status));
|
|
|
|
return (status);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Adjust the rasters. This function is used during a color scan,
|
|
|
|
* because the scanner does not present a format sane can interpret
|
|
|
|
* directly.
|
|
|
|
*
|
|
|
|
* The scanner sends the colors by rasters (B then G then R), whereas
|
|
|
|
* sane is waiting for a group of 3 bytes per color. To make things
|
|
|
|
* funnier, the rasters are shifted. The format of those raster is:
|
|
|
|
* BGR...BGR
|
|
|
|
*
|
|
|
|
* For a proper scan, the first 2 R and 1 G, and the last 1 G and 2 B
|
|
|
|
* must be ignored. (TODO)
|
|
|
|
*
|
|
|
|
* So this function reorders all that mess. It gets the input from
|
|
|
|
* dev->buffer and write the output in dev->image. size_in the the
|
|
|
|
* length of the valid data in dev->buffer. */
|
|
|
|
|
|
|
|
/* 0=red, 1=green, 2=blue */
|
|
|
|
|
|
|
|
#define COLOR_0 2
|
|
|
|
#define COLOR_1 1
|
|
|
|
#define COLOR_2 0
|
|
|
|
#define line_shift ( - dev->color_shift)
|
|
|
|
|
|
|
|
static void
|
|
|
|
teco_adjust_raster (Teco_Scanner * dev, size_t size_in)
|
|
|
|
{
|
|
|
|
int nb_rasters; /* number of rasters in dev->buffer */
|
|
|
|
|
|
|
|
int raster; /* current raster number in buffer */
|
|
|
|
int line; /* line number for that raster */
|
|
|
|
int color = -1; /* color for that raster */
|
|
|
|
size_t offset;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_adjust_raster: enter\n");
|
|
|
|
|
|
|
|
assert (dev->scan_mode == TECO_COLOR);
|
|
|
|
assert ((size_in % dev->bytes_per_raster) == 0);
|
|
|
|
|
|
|
|
if (size_in == 0)
|
|
|
|
{
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The color coding is one line for each color (in the RGB order).
|
|
|
|
* Recombine that stuff to create a RGB value for each pixel.
|
|
|
|
*/
|
|
|
|
|
|
|
|
nb_rasters = size_in / dev->raster_size;
|
|
|
|
|
|
|
|
for (raster = 0; raster < nb_rasters; raster++)
|
|
|
|
{
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Find the color to which this raster belongs to.
|
|
|
|
*/
|
|
|
|
line = 0;
|
|
|
|
if (dev->raster_num < dev->color_shift)
|
|
|
|
{
|
|
|
|
color = COLOR_0;
|
|
|
|
line = dev->raster_num;
|
|
|
|
}
|
|
|
|
else if (dev->raster_num < (3 * dev->color_shift))
|
|
|
|
{
|
|
|
|
|
|
|
|
if ((dev->raster_num - line_shift) % 2)
|
|
|
|
{
|
|
|
|
color = COLOR_1;
|
|
|
|
line = (dev->raster_num + line_shift) / 2;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
color = COLOR_0;
|
|
|
|
line = (dev->raster_num - line_shift) / 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (dev->raster_num >= dev->raster_real - dev->color_shift)
|
|
|
|
{
|
|
|
|
color = COLOR_2;
|
|
|
|
line = dev->line;
|
|
|
|
}
|
|
|
|
else if (dev->raster_num >= dev->raster_real - 3 * dev->color_shift)
|
|
|
|
{
|
|
|
|
if ((dev->raster_real - dev->raster_num - line_shift) % 2)
|
|
|
|
{
|
|
|
|
color = COLOR_2;
|
|
|
|
line = dev->line;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
color = COLOR_1;
|
|
|
|
line = dev->line - line_shift;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
switch ((dev->raster_num - 3 * line_shift) % 3)
|
|
|
|
{
|
|
|
|
case 0:
|
|
|
|
color = COLOR_0;
|
|
|
|
line = (dev->raster_num - 3 * line_shift) / 3;
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
color = COLOR_1;
|
|
|
|
line = dev->raster_num / 3;
|
|
|
|
break;
|
|
|
|
case 2:
|
|
|
|
color = COLOR_2;
|
|
|
|
line = (dev->raster_num + 3 * line_shift) / 3;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Adjust the line number relative to the image. */
|
|
|
|
line -= dev->line;
|
|
|
|
|
|
|
|
offset = dev->image_end + line * dev->params.bytes_per_line;
|
|
|
|
|
|
|
|
assert (offset <= (dev->image_size - dev->params.bytes_per_line));
|
|
|
|
|
|
|
|
/* Copy the raster to the temporary image. */
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
unsigned char *src = dev->buffer + raster * dev->raster_size;
|
|
|
|
unsigned char *dest = dev->image + offset + color;
|
|
|
|
|
|
|
|
for (i = 0; i < dev->raster_size; i++)
|
|
|
|
{
|
|
|
|
*dest = *src;
|
|
|
|
src++;
|
|
|
|
dest += 3;
|
|
|
|
}
|
|
|
|
|
|
|
|
assert (dest <= (dev->image + dev->image_size + 2));
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_info, "raster=%d, line=%d, color=%d\n", dev->raster_num,
|
|
|
|
dev->line + line, color);
|
|
|
|
|
|
|
|
if (color == COLOR_2)
|
|
|
|
{
|
|
|
|
/* This raster completes a new line */
|
|
|
|
dev->line++;
|
|
|
|
dev->image_end += dev->params.bytes_per_line;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->raster_num++;
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_adjust_raster: exit\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Read the image from the scanner and fill the temporary buffer with it. */
|
|
|
|
static SANE_Status
|
|
|
|
teco_fill_image (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
SANE_Status status;
|
|
|
|
size_t size;
|
|
|
|
CDB cdb;
|
|
|
|
unsigned char *image;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "teco_fill_image: enter\n");
|
|
|
|
|
|
|
|
assert (dev->image_begin == dev->image_end);
|
|
|
|
assert (dev->real_bytes_left > 0);
|
|
|
|
|
|
|
|
/* Copy the complete lines, plus the incompletes
|
|
|
|
* ones. We don't keep the real end of data used
|
|
|
|
* in image, so we copy the biggest possible.
|
|
|
|
*/
|
|
|
|
if (dev->scan_mode == TECO_COLOR)
|
|
|
|
{
|
|
|
|
memmove (dev->image, dev->image + dev->image_begin, dev->raster_ahead);
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->image_begin = 0;
|
|
|
|
dev->image_end = 0;
|
|
|
|
|
|
|
|
while (dev->real_bytes_left)
|
|
|
|
{
|
|
|
|
|
|
|
|
/* todo: teco2 too */
|
|
|
|
/* Check that we can at least one line. */
|
|
|
|
if (dev->raster_ahead + dev->image_end + dev->params.bytes_per_line >
|
|
|
|
dev->image_size)
|
|
|
|
{
|
|
|
|
/* Probably reached the end of the buffer.
|
|
|
|
* Check, just in case. */
|
|
|
|
assert (dev->image_end != 0);
|
|
|
|
return (SANE_STATUS_GOOD);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Try to read the maximum number of bytes.
|
|
|
|
*/
|
|
|
|
size = 0;
|
|
|
|
while (size == 0)
|
|
|
|
{
|
|
|
|
status = get_filled_data_length (dev, &size);
|
|
|
|
if (status)
|
|
|
|
return (status);
|
|
|
|
if (size == 0)
|
|
|
|
usleep (100000); /* sleep 1/10th of second */
|
|
|
|
}
|
|
|
|
|
|
|
|
if (size > dev->real_bytes_left)
|
|
|
|
size = dev->real_bytes_left;
|
|
|
|
if (size > dev->image_size - dev->raster_ahead - dev->image_end)
|
|
|
|
size = dev->image_size - dev->raster_ahead - dev->image_end;
|
|
|
|
if (size > dev->buffer_size)
|
|
|
|
{
|
|
|
|
size = dev->buffer_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Always read a multiple of a raster. */
|
|
|
|
size = size - (size % dev->bytes_per_raster);
|
|
|
|
|
|
|
|
if (size == 0)
|
|
|
|
{
|
|
|
|
/* Probably reached the end of the buffer.
|
|
|
|
* Check, just in case. */
|
|
|
|
assert (dev->image_end != 0);
|
|
|
|
return (SANE_STATUS_GOOD);
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_info, "teco_fill_image: to read = %ld bytes (bpl=%d)\n",
|
|
|
|
(long) size, dev->params.bytes_per_line);
|
|
|
|
|
|
|
|
MKSCSI_READ_10 (cdb, 0, 0, size);
|
|
|
|
|
|
|
|
hexdump (DBG_info2, "teco_fill_image: READ_10 CDB", cdb.data, 10);
|
|
|
|
DBG (DBG_info, " image_end=%d\n", dev->image_end);
|
|
|
|
|
|
|
|
if (dev->scan_mode == TECO_COLOR && dev->does_color_shift)
|
|
|
|
{
|
|
|
|
image = dev->buffer;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
image = dev->image + dev->image_end;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len,
|
|
|
|
NULL, 0, image, &size);
|
|
|
|
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "teco_fill_image: cannot read from the scanner\n");
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* The size this scanner returns is always a multiple of a
|
|
|
|
* raster size. */
|
|
|
|
assert ((size % dev->bytes_per_raster) == 0);
|
|
|
|
|
|
|
|
DBG (DBG_info, "teco_fill_image: real bytes left = %ld\n",
|
|
|
|
(long) dev->real_bytes_left);
|
|
|
|
|
|
|
|
if (dev->scan_mode == TECO_COLOR && dev->does_color_shift)
|
|
|
|
{
|
|
|
|
teco_adjust_raster (dev, size);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* Already in dev->image. */
|
|
|
|
dev->image_end += size;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->real_bytes_left -= size;
|
|
|
|
}
|
|
|
|
|
|
|
|
return (SANE_STATUS_GOOD); /* unreachable */
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy from the raw buffer to the buffer given by the backend.
|
|
|
|
*
|
|
|
|
* len in input is the maximum length available in buf, and, in
|
|
|
|
* output, is the length written into buf.
|
|
|
|
*/
|
|
|
|
static void
|
|
|
|
teco_copy_raw_to_frontend (Teco_Scanner * dev, SANE_Byte * buf, size_t * len)
|
|
|
|
{
|
|
|
|
size_t size;
|
|
|
|
|
|
|
|
size = dev->image_end - dev->image_begin;
|
|
|
|
if (size > *len)
|
|
|
|
{
|
|
|
|
size = *len;
|
|
|
|
}
|
|
|
|
*len = size;
|
|
|
|
|
|
|
|
switch (dev->scan_mode)
|
|
|
|
{
|
|
|
|
case TECO_BW:
|
|
|
|
{
|
|
|
|
/* For Black & White, the bits in every bytes are mirrored.
|
|
|
|
* for instance 11010001 is coded as 10001011 */
|
|
|
|
|
|
|
|
unsigned char *src = dev->image + dev->image_begin;
|
|
|
|
size_t i;
|
|
|
|
unsigned char s;
|
|
|
|
unsigned char d;
|
|
|
|
|
|
|
|
for (i = 0; i < size; i++)
|
|
|
|
{
|
|
|
|
s = *src ^ 0xff;
|
|
|
|
d = 0;
|
|
|
|
if (s & 0x01)
|
|
|
|
d |= 0x80;
|
|
|
|
if (s & 0x02)
|
|
|
|
d |= 0x40;
|
|
|
|
if (s & 0x04)
|
|
|
|
d |= 0x20;
|
|
|
|
if (s & 0x08)
|
|
|
|
d |= 0x10;
|
|
|
|
if (s & 0x10)
|
|
|
|
d |= 0x08;
|
|
|
|
if (s & 0x20)
|
|
|
|
d |= 0x04;
|
|
|
|
if (s & 0x40)
|
|
|
|
d |= 0x02;
|
|
|
|
if (s & 0x80)
|
|
|
|
d |= 0x01;
|
|
|
|
*buf = d;
|
|
|
|
src++;
|
|
|
|
buf++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case TECO_GRAYSCALE:
|
|
|
|
case TECO_COLOR:
|
|
|
|
memcpy (buf, dev->image + dev->image_begin, size);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->image_begin += size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Stop a scan. */
|
|
|
|
static SANE_Status
|
|
|
|
do_cancel (Teco_Scanner * dev)
|
|
|
|
{
|
|
|
|
DBG (DBG_sane_proc, "do_cancel enter\n");
|
|
|
|
|
|
|
|
if (dev->scanning == SANE_TRUE)
|
|
|
|
{
|
|
|
|
teco_reset_window (dev);
|
|
|
|
teco_close (dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->scanning = SANE_FALSE;
|
|
|
|
|
|
|
|
DBG (DBG_sane_proc, "do_cancel exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_CANCELLED;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
|
|
|
|
/* Sane entry points */
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize)
|
|
|
|
{
|
|
|
|
FILE *fp;
|
|
|
|
char dev_name[PATH_MAX];
|
|
|
|
size_t len;
|
|
|
|
|
|
|
|
DBG_INIT ();
|
|
|
|
|
|
|
|
DBG (DBG_sane_init, "sane_init\n");
|
|
|
|
|
|
|
|
authorize = authorize; /* silence gcc */
|
|
|
|
|
|
|
|
DBG (DBG_error, "This is sane-teco3 version %d.%d-%d\n", V_MAJOR,
|
|
|
|
V_MINOR, BUILD);
|
|
|
|
DBG (DBG_error, "(C) 2002 by Frank Zago\n");
|
|
|
|
|
|
|
|
if (version_code)
|
|
|
|
{
|
|
|
|
*version_code = SANE_VERSION_CODE (V_MAJOR, V_MINOR, BUILD);
|
|
|
|
}
|
|
|
|
|
|
|
|
fp = sanei_config_open (TECO_CONFIG_FILE);
|
|
|
|
if (!fp)
|
|
|
|
{
|
|
|
|
/* default to /dev/scanner instead of insisting on config file */
|
|
|
|
attach_scanner ("/dev/scanner", 0);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
while (sanei_config_read (dev_name, sizeof (dev_name), fp))
|
|
|
|
{
|
|
|
|
if (dev_name[0] == '#') /* ignore line comments */
|
|
|
|
continue;
|
|
|
|
len = strlen (dev_name);
|
|
|
|
|
|
|
|
if (!len)
|
|
|
|
continue; /* ignore empty lines */
|
|
|
|
|
|
|
|
sanei_config_attach_matching_devices (dev_name, attach_one);
|
|
|
|
}
|
|
|
|
|
|
|
|
fclose (fp);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_init: leave\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_devices: enter\n");
|
|
|
|
|
|
|
|
local_only = local_only; /* silence gcc */
|
|
|
|
|
|
|
|
if (devlist)
|
|
|
|
free (devlist);
|
|
|
|
|
|
|
|
devlist = malloc ((num_devices + 1) * sizeof (devlist[0]));
|
|
|
|
if (!devlist)
|
|
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
for (dev = first_dev; i < num_devices; dev = dev->next)
|
|
|
|
devlist[i++] = &dev->sane;
|
|
|
|
devlist[i++] = 0;
|
|
|
|
|
|
|
|
*device_list = devlist;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_devices: exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_open (SANE_String_Const devicename, SANE_Handle * handle)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev;
|
|
|
|
SANE_Status status;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_open: enter\n");
|
|
|
|
|
|
|
|
/* search for devicename */
|
|
|
|
if (devicename[0])
|
|
|
|
{
|
|
|
|
DBG (DBG_info, "sane_open: devicename=%s\n", devicename);
|
|
|
|
|
|
|
|
for (dev = first_dev; dev; dev = dev->next)
|
|
|
|
{
|
|
|
|
if (strcmp (dev->sane.name, devicename) == 0)
|
|
|
|
{
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!dev)
|
|
|
|
{
|
|
|
|
status = attach_scanner (devicename, &dev);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
|
|
{
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
DBG (DBG_sane_info, "sane_open: no devicename, opening first device\n");
|
|
|
|
dev = first_dev; /* empty devicename -> use first device */
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!dev)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "No scanner found\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
teco_init_options (dev);
|
|
|
|
|
|
|
|
/* Initialize the gamma table. */
|
|
|
|
for (i = 0; i < GAMMA_LENGTH; i++)
|
|
|
|
{
|
|
|
|
dev->gamma_R[i] = i / 4;
|
|
|
|
dev->gamma_G[i] = i / 4;
|
|
|
|
dev->gamma_B[i] = i / 4;
|
|
|
|
dev->gamma_GRAY[i] = i / 4;
|
|
|
|
}
|
|
|
|
|
|
|
|
*handle = dev;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_open: exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
const SANE_Option_Descriptor *
|
|
|
|
sane_get_option_descriptor (SANE_Handle handle, SANE_Int option)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_option_descriptor: enter, option %d\n", option);
|
|
|
|
|
|
|
|
if ((unsigned) option >= OPT_NUM_OPTIONS)
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_option_descriptor: exit\n");
|
|
|
|
|
|
|
|
return dev->opt + option;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_control_option (SANE_Handle handle, SANE_Int option,
|
|
|
|
SANE_Action action, void *val, SANE_Int * info)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
SANE_Status status;
|
|
|
|
SANE_Word cap;
|
|
|
|
SANE_String_Const name;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_control_option: enter, option %d, action %d\n",
|
|
|
|
option, action);
|
|
|
|
|
|
|
|
if (info)
|
|
|
|
{
|
|
|
|
*info = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dev->scanning)
|
|
|
|
{
|
|
|
|
return SANE_STATUS_DEVICE_BUSY;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (option < 0 || option >= OPT_NUM_OPTIONS)
|
|
|
|
{
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
cap = dev->opt[option].cap;
|
|
|
|
if (!SANE_OPTION_IS_ACTIVE (cap))
|
|
|
|
{
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
name = dev->opt[option].name;
|
|
|
|
if (!name)
|
|
|
|
{
|
|
|
|
name = "(no name)";
|
|
|
|
}
|
|
|
|
if (action == SANE_ACTION_GET_VALUE)
|
|
|
|
{
|
|
|
|
|
|
|
|
switch (option)
|
|
|
|
{
|
|
|
|
/* word options */
|
|
|
|
case OPT_NUM_OPTS:
|
|
|
|
case OPT_RESOLUTION:
|
|
|
|
case OPT_TL_Y:
|
|
|
|
case OPT_BR_Y:
|
|
|
|
case OPT_TL_X:
|
|
|
|
case OPT_BR_X:
|
|
|
|
case OPT_CUSTOM_GAMMA:
|
2002-08-23 01:35:31 +00:00
|
|
|
case OPT_THRESHOLD:
|
2002-07-26 04:03:35 +00:00
|
|
|
case OPT_PREVIEW:
|
|
|
|
*(SANE_Word *) val = dev->val[option].w;
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
/* string options */
|
|
|
|
case OPT_MODE:
|
|
|
|
case OPT_DITHER:
|
|
|
|
strcpy (val, dev->val[option].s);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
/* Gamma */
|
|
|
|
case OPT_GAMMA_VECTOR_R:
|
|
|
|
case OPT_GAMMA_VECTOR_G:
|
|
|
|
case OPT_GAMMA_VECTOR_B:
|
|
|
|
case OPT_GAMMA_VECTOR_GRAY:
|
|
|
|
memcpy (val, dev->val[option].wa, dev->opt[option].size);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else if (action == SANE_ACTION_SET_VALUE)
|
|
|
|
{
|
|
|
|
|
|
|
|
if (!SANE_OPTION_IS_SETTABLE (cap))
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "could not set option, not settable\n");
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = sanei_constrain_value (dev->opt + option, val, info);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "could not set option, invalid value\n");
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (option)
|
|
|
|
{
|
|
|
|
|
|
|
|
/* Numeric side-effect options */
|
|
|
|
case OPT_TL_Y:
|
|
|
|
case OPT_BR_Y:
|
|
|
|
case OPT_TL_X:
|
|
|
|
case OPT_BR_X:
|
2002-08-23 01:35:31 +00:00
|
|
|
case OPT_THRESHOLD:
|
2002-07-26 04:03:35 +00:00
|
|
|
case OPT_RESOLUTION:
|
|
|
|
if (info)
|
|
|
|
{
|
|
|
|
*info |= SANE_INFO_RELOAD_PARAMS;
|
|
|
|
}
|
|
|
|
dev->val[option].w = *(SANE_Word *) val;
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
/* Numeric side-effect free options */
|
|
|
|
case OPT_PREVIEW:
|
|
|
|
dev->val[option].w = *(SANE_Word *) val;
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
/* String side-effect free options */
|
|
|
|
case OPT_DITHER:
|
|
|
|
free (dev->val[option].s);
|
|
|
|
dev->val[option].s = (SANE_String) strdup (val);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
/* String side-effect options */
|
|
|
|
case OPT_MODE:
|
|
|
|
if (strcmp (dev->val[option].s, val) == 0)
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
free (dev->val[OPT_MODE].s);
|
|
|
|
dev->val[OPT_MODE].s = (SANE_Char *) strdup (val);
|
|
|
|
|
|
|
|
dev->opt[OPT_DITHER].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap |= SANE_CAP_INACTIVE;
|
2002-08-23 01:35:31 +00:00
|
|
|
dev->opt[OPT_THRESHOLD].cap |= SANE_CAP_INACTIVE;
|
2002-07-26 04:03:35 +00:00
|
|
|
|
|
|
|
if (strcmp (dev->val[OPT_MODE].s, BLACK_WHITE_STR) == 0)
|
|
|
|
{
|
|
|
|
dev->depth = 8;
|
|
|
|
dev->scan_mode = TECO_BW;
|
|
|
|
dev->opt[OPT_DITHER].cap &= ~SANE_CAP_INACTIVE;
|
2002-08-23 01:35:31 +00:00
|
|
|
dev->opt[OPT_THRESHOLD].cap &= ~SANE_CAP_INACTIVE;
|
2002-07-26 04:03:35 +00:00
|
|
|
}
|
|
|
|
else if (strcmp (dev->val[OPT_MODE].s, GRAY_STR) == 0)
|
|
|
|
{
|
|
|
|
dev->scan_mode = TECO_GRAYSCALE;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
|
|
{
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
}
|
|
|
|
dev->depth = 8;
|
|
|
|
}
|
|
|
|
else if (strcmp (dev->val[OPT_MODE].s, COLOR_STR) == 0)
|
|
|
|
{
|
|
|
|
dev->scan_mode = TECO_COLOR;
|
|
|
|
dev->opt[OPT_CUSTOM_GAMMA].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
|
|
{
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
}
|
|
|
|
dev->depth = 8;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (info)
|
|
|
|
{
|
|
|
|
*info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS;
|
|
|
|
}
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
case OPT_GAMMA_VECTOR_R:
|
|
|
|
case OPT_GAMMA_VECTOR_G:
|
|
|
|
case OPT_GAMMA_VECTOR_B:
|
|
|
|
case OPT_GAMMA_VECTOR_GRAY:
|
|
|
|
memcpy (dev->val[option].wa, val, dev->opt[option].size);
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
case OPT_CUSTOM_GAMMA:
|
|
|
|
dev->val[OPT_CUSTOM_GAMMA].w = *(SANE_Word *) val;
|
|
|
|
if (dev->val[OPT_CUSTOM_GAMMA].w)
|
|
|
|
{
|
|
|
|
/* use custom_gamma_table */
|
|
|
|
if (dev->scan_mode == TECO_GRAYSCALE)
|
|
|
|
{
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
/* color mode */
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap &= ~SANE_CAP_INACTIVE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_R].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_G].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_B].cap |= SANE_CAP_INACTIVE;
|
|
|
|
dev->opt[OPT_GAMMA_VECTOR_GRAY].cap |= SANE_CAP_INACTIVE;
|
|
|
|
}
|
|
|
|
if (info)
|
|
|
|
{
|
|
|
|
*info |= SANE_INFO_RELOAD_OPTIONS;
|
|
|
|
}
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_control_option: exit, bad\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_get_parameters (SANE_Handle handle, SANE_Parameters * params)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_parameters: enter\n");
|
|
|
|
|
|
|
|
if (!(dev->scanning))
|
|
|
|
{
|
|
|
|
|
|
|
|
/* Setup the parameters for the scan. These values will be re-used
|
|
|
|
* in the SET WINDOWS command. */
|
|
|
|
if (dev->val[OPT_PREVIEW].w == SANE_TRUE)
|
|
|
|
{
|
|
|
|
dev->x_resolution = 50;
|
|
|
|
dev->y_resolution = 50;
|
|
|
|
dev->x_tl = 0;
|
|
|
|
dev->y_tl = 0;
|
|
|
|
dev->x_br = mmToIlu (SANE_UNFIX (x_range.max));
|
|
|
|
dev->y_br = mmToIlu (SANE_UNFIX (y_range.max));
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
dev->x_resolution = dev->val[OPT_RESOLUTION].w;
|
|
|
|
dev->y_resolution = dev->val[OPT_RESOLUTION].w;
|
|
|
|
if (dev->x_resolution > dev->def->x_resolution_max)
|
|
|
|
{
|
|
|
|
dev->x_resolution = dev->def->x_resolution_max;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->x_tl = mmToIlu (SANE_UNFIX (dev->val[OPT_TL_X].w));
|
|
|
|
dev->y_tl = mmToIlu (SANE_UNFIX (dev->val[OPT_TL_Y].w));
|
|
|
|
dev->x_br = mmToIlu (SANE_UNFIX (dev->val[OPT_BR_X].w));
|
|
|
|
dev->y_br = mmToIlu (SANE_UNFIX (dev->val[OPT_BR_Y].w));
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Check the corners are OK. */
|
|
|
|
if (dev->x_tl > dev->x_br)
|
|
|
|
{
|
|
|
|
int s;
|
|
|
|
s = dev->x_tl;
|
|
|
|
dev->x_tl = dev->x_br;
|
|
|
|
dev->x_br = s;
|
|
|
|
}
|
|
|
|
if (dev->y_tl > dev->y_br)
|
|
|
|
{
|
|
|
|
int s;
|
|
|
|
s = dev->y_tl;
|
|
|
|
dev->y_tl = dev->y_br;
|
|
|
|
dev->y_br = s;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->width = dev->x_br - dev->x_tl;
|
|
|
|
dev->length = dev->y_br - dev->y_tl;
|
|
|
|
|
|
|
|
/* Prepare the parameters for the caller. */
|
|
|
|
memset (&dev->params, 0, sizeof (SANE_Parameters));
|
|
|
|
|
|
|
|
dev->params.last_frame = SANE_TRUE;
|
|
|
|
|
|
|
|
switch (dev->scan_mode)
|
|
|
|
{
|
|
|
|
case TECO_BW:
|
|
|
|
dev->params.format = SANE_FRAME_GRAY;
|
|
|
|
dev->params.pixels_per_line =
|
|
|
|
((dev->width * dev->x_resolution) / 300) & ~0x7;
|
|
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line / 8;
|
|
|
|
dev->params.depth = 1;
|
|
|
|
dev->color_shift = 0;
|
|
|
|
break;
|
|
|
|
case TECO_GRAYSCALE:
|
|
|
|
dev->params.format = SANE_FRAME_GRAY;
|
|
|
|
dev->params.pixels_per_line =
|
|
|
|
((dev->width * dev->x_resolution) / 300);
|
|
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line;
|
|
|
|
dev->params.depth = 8;
|
|
|
|
dev->color_shift = 0;
|
|
|
|
break;
|
|
|
|
case TECO_COLOR:
|
|
|
|
dev->params.format = SANE_FRAME_RGB;
|
|
|
|
dev->params.pixels_per_line =
|
|
|
|
((dev->width * dev->x_resolution) / 300);
|
|
|
|
dev->params.bytes_per_line = dev->params.pixels_per_line * 3;
|
|
|
|
dev->params.depth = 8;
|
|
|
|
|
|
|
|
/* If the scanner does not have enough memory, it will
|
|
|
|
* send the raw rasters instead of returning a full
|
|
|
|
* interleaved line. Unfortunatly this does not work well,
|
|
|
|
* because I don't know how to compute the color
|
|
|
|
* shifting. So here is the result of some trial and error
|
|
|
|
* process. This is ignored if the scanner has a RAM
|
|
|
|
* module.
|
|
|
|
*/
|
|
|
|
dev->color_shift = dev->x_resolution / 75;
|
|
|
|
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->params.lines = (dev->length * dev->y_resolution) / 300;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Return the current values. */
|
|
|
|
if (params)
|
|
|
|
{
|
|
|
|
*params = (dev->params);
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_parameters: exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_start (SANE_Handle handle)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
SANE_Status status;
|
|
|
|
size_t size;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_start: enter\n");
|
|
|
|
|
|
|
|
if (!(dev->scanning))
|
|
|
|
{
|
|
|
|
|
|
|
|
/* Open again the scanner. */
|
|
|
|
if (sanei_scsi_open
|
|
|
|
(dev->devicename, &(dev->sfd), teco_sense_handler, dev) != 0)
|
|
|
|
{
|
|
|
|
DBG (DBG_error, "ERROR: sane_start: open failed\n");
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Set the correct parameters. */
|
|
|
|
sane_get_parameters (dev, NULL);
|
|
|
|
|
|
|
|
/* The scanner must be ready. */
|
|
|
|
status = teco_wait_scanner (dev);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
teco_query_sense (dev);
|
|
|
|
teco_reset_window (dev);
|
|
|
|
|
|
|
|
status = teco_set_window (dev);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->real_bytes_left = 0;
|
|
|
|
status = get_filled_data_length (dev, &size);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Compute the length necessary in image. The first part will store
|
|
|
|
* the complete lines, and the rest is used to stored ahead
|
|
|
|
* rasters.
|
|
|
|
* Align image_size to a multiple of lines. (important)
|
|
|
|
*/
|
|
|
|
dev->raster_ahead =
|
|
|
|
(2 * dev->color_shift + 1) * dev->params.bytes_per_line;
|
|
|
|
dev->image_size = dev->buffer_size + dev->raster_ahead;
|
|
|
|
dev->image_size =
|
|
|
|
dev->image_size - (dev->image_size % dev->params.bytes_per_line);
|
|
|
|
dev->image = malloc (dev->image_size);
|
|
|
|
if (dev->image == NULL)
|
|
|
|
{
|
|
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Rasters are meaningfull only in color mode. */
|
|
|
|
dev->raster_size = dev->params.pixels_per_line;
|
|
|
|
dev->raster_real = dev->params.lines * 3;
|
|
|
|
dev->raster_num = 0;
|
|
|
|
dev->line = 0;
|
|
|
|
|
|
|
|
teco_vendor_spec (dev);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = teco_send_gamma (dev);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = teco_set_window (dev);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
status = teco_scan (dev);
|
|
|
|
if (status)
|
|
|
|
{
|
|
|
|
teco_close (dev);
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
dev->image_end = 0;
|
|
|
|
dev->image_begin = 0;
|
|
|
|
|
|
|
|
dev->bytes_left = dev->params.bytes_per_line * dev->params.lines;
|
|
|
|
dev->real_bytes_left = dev->params.bytes_per_line * dev->params.lines;
|
|
|
|
|
|
|
|
dev->scanning = SANE_TRUE;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_start: exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len,
|
|
|
|
SANE_Int * len)
|
|
|
|
{
|
|
|
|
SANE_Status status;
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
size_t size;
|
|
|
|
int buf_offset; /* offset into buf */
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_read: enter\n");
|
|
|
|
|
|
|
|
*len = 0;
|
|
|
|
|
|
|
|
if (!(dev->scanning))
|
|
|
|
{
|
|
|
|
/* OOPS, not scanning */
|
|
|
|
return do_cancel (dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dev->bytes_left <= 0)
|
|
|
|
{
|
|
|
|
return (SANE_STATUS_EOF);
|
|
|
|
}
|
|
|
|
|
|
|
|
buf_offset = 0;
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
if (dev->image_begin == dev->image_end)
|
|
|
|
{
|
|
|
|
/* Fill image */
|
|
|
|
status = teco_fill_image (dev);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
|
|
{
|
|
|
|
return (status);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Something must have been read */
|
|
|
|
if (dev->image_begin == dev->image_end)
|
|
|
|
{
|
|
|
|
DBG (DBG_info, "sane_read: nothing read\n");
|
|
|
|
return SANE_STATUS_IO_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Copy the data to the frontend buffer. */
|
|
|
|
size = max_len - buf_offset;
|
|
|
|
if (size > dev->bytes_left)
|
|
|
|
{
|
|
|
|
size = dev->bytes_left;
|
|
|
|
}
|
|
|
|
teco_copy_raw_to_frontend (dev, buf + buf_offset, &size);
|
|
|
|
|
|
|
|
buf_offset += size;
|
|
|
|
|
|
|
|
dev->bytes_left -= size;
|
|
|
|
*len += size;
|
|
|
|
|
|
|
|
}
|
|
|
|
while ((buf_offset != max_len) && dev->bytes_left);
|
|
|
|
|
|
|
|
DBG (DBG_info, "sane_read: leave, bytes_left=%ld\n",
|
|
|
|
(long) dev->bytes_left);
|
|
|
|
|
|
|
|
return SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_set_io_mode (SANE_Handle handle, SANE_Bool non_blocking)
|
|
|
|
{
|
|
|
|
SANE_Status status;
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_set_io_mode: enter\n");
|
|
|
|
|
|
|
|
handle = handle; /* silence gcc */
|
|
|
|
non_blocking = non_blocking; /* silence gcc */
|
|
|
|
|
|
|
|
if (dev->scanning == SANE_FALSE)
|
|
|
|
{
|
|
|
|
return SANE_STATUS_INVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (non_blocking == SANE_FALSE)
|
|
|
|
{
|
|
|
|
status = SANE_STATUS_GOOD;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
status = SANE_STATUS_UNSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_set_io_mode: exit\n");
|
|
|
|
|
|
|
|
return status;
|
|
|
|
}
|
|
|
|
|
|
|
|
SANE_Status
|
|
|
|
sane_get_select_fd (SANE_Handle handle, SANE_Int * fd)
|
|
|
|
{
|
|
|
|
DBG (DBG_proc, "sane_get_select_fd: enter\n");
|
|
|
|
|
|
|
|
handle = handle; /* silence gcc */
|
|
|
|
fd = fd; /* silence gcc */
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_get_select_fd: exit\n");
|
|
|
|
|
|
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
sane_cancel (SANE_Handle handle)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_cancel: enter\n");
|
|
|
|
|
|
|
|
do_cancel (dev);
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_cancel: exit\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
sane_close (SANE_Handle handle)
|
|
|
|
{
|
|
|
|
Teco_Scanner *dev = handle;
|
|
|
|
Teco_Scanner *dev_tmp;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_close: enter\n");
|
|
|
|
|
|
|
|
do_cancel (dev);
|
|
|
|
teco_close (dev);
|
|
|
|
|
|
|
|
/* Unlink dev. */
|
|
|
|
if (first_dev == dev)
|
|
|
|
{
|
|
|
|
first_dev = dev->next;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
dev_tmp = first_dev;
|
|
|
|
while (dev_tmp->next && dev_tmp->next != dev)
|
|
|
|
{
|
|
|
|
dev_tmp = dev_tmp->next;
|
|
|
|
}
|
|
|
|
if (dev_tmp->next != NULL)
|
|
|
|
{
|
|
|
|
dev_tmp->next = dev_tmp->next->next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
teco_free (dev);
|
|
|
|
num_devices--;
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_close: exit\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
void
|
|
|
|
sane_exit (void)
|
|
|
|
{
|
|
|
|
DBG (DBG_proc, "sane_exit: enter\n");
|
|
|
|
|
|
|
|
while (first_dev)
|
|
|
|
{
|
|
|
|
sane_close (first_dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (devlist)
|
|
|
|
{
|
|
|
|
free (devlist);
|
|
|
|
devlist = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
DBG (DBG_proc, "sane_exit: exit\n");
|
|
|
|
}
|