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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/ma1509.h
Initial import of sane-backends version 1.0.24-1.2
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diff --git a/backend/ma1509.h b/backend/ma1509.h
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+/* sane - Scanner Access Now Easy.
+ (C) 2003 Henning Meier-Geinitz <henning@meier-geinitz.de>.
+
+ Based on the mustek (SCSI) backend.
+
+ 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 scanners based on the Mustek
+ MA-1509 chipset. Currently the Mustek BearPaw 1200F is known to work.
+*/
+
+#ifndef ma1509_h
+#define ma1509_h
+
+#include "../include/sane/config.h"
+#include <sys/types.h>
+
+/* Some constants */
+#define INQ_LEN 0x60 /* Length of SCSI inquiry */
+#define MA1509_COMMAND_LENGTH 8
+#define MA1509_GAMMA_SIZE 1024
+#define MA1509_BUFFER_SIZE (1024 * 128)
+#define MA1509_WARMUP_TIME 30
+
+#ifndef PATH_MAX
+# define PATH_MAX 1024
+#endif
+
+#define MA1509_CONFIG_FILE "ma1509.conf"
+
+/* Convenience macros */
+#if defined(MIN)
+#undef MIN
+#endif
+#if defined(MAX)
+#undef MAX
+#endif
+#define MIN(a,b) ((a) < (b) ? (a) : (b))
+#define MAX(a,b) ((a) > (b) ? (a) : (b))
+
+/* Copy values to memory ('L' = little endian, 'B' = big endian */
+#define STORE16L(cp,v) \
+do { \
+ int value = (v); \
+ \
+ *(cp)++ = (value >> 0) & 0xff; \
+ *(cp)++ = (value >> 8) & 0xff; \
+} while (0)
+#define STORE16B(cp,v) \
+do { \
+ int value = (v); \
+ \
+ *(cp)++ = (value >> 8) & 0xff; \
+ *(cp)++ = (value >> 0) & 0xff; \
+} while (0)
+#define STORE32B(cp,v) \
+do { \
+ long int value = (v); \
+ \
+ *(cp)++ = (value >> 24) & 0xff; \
+ *(cp)++ = (value >> 16) & 0xff; \
+ *(cp)++ = (value >> 8) & 0xff; \
+ *(cp)++ = (value >> 0) & 0xff; \
+} while (0)
+
+/* declarations */
+enum Ma1509_Option
+{
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_MODE,
+ OPT_RESOLUTION,
+ OPT_SOURCE,
+ OPT_PREVIEW,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X, /* top-left x */
+ OPT_TL_Y, /* top-left y */
+ OPT_BR_X, /* bottom-right x */
+ OPT_BR_Y, /* bottom-right y */
+
+ OPT_ENHANCEMENT_GROUP,
+ OPT_THRESHOLD,
+ OPT_CUSTOM_GAMMA, /* use custom gamma tables? */
+ OPT_GAMMA_VECTOR_R,
+ OPT_GAMMA_VECTOR_G,
+ OPT_GAMMA_VECTOR_B,
+ /* must come last: */
+ NUM_OPTIONS
+};
+
+typedef struct Ma1509_Device
+{
+ struct Ma1509_Device *next;
+ SANE_String name;
+ SANE_Device sane;
+ SANE_Bool has_ta;
+ SANE_Bool has_adf;
+ SANE_Range x_range;
+ SANE_Range y_range;
+ /* scan area when transparency adapter is used: */
+ SANE_Range x_trans_range;
+ SANE_Range y_trans_range;
+ /* values actually used by scanner, not necessarily the desired! */
+ SANE_Int bpl, ppl, lines;
+}
+Ma1509_Device;
+
+typedef struct Ma1509_Scanner
+{
+ /* all the state needed to define a scan request: */
+ struct Ma1509_Scanner *next;
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ Option_Value val[NUM_OPTIONS];
+
+ SANE_Bool scanning;
+ SANE_Bool cancelled;
+ SANE_Parameters params;
+
+ /* Parsed option values and variables that are valid only during
+ actual scanning: */
+ int fd; /* filedescriptor */
+ long start_time; /* at this time the scan started */
+ long lamp_time; /* at this time the lamp was turned on */
+ SANE_Word total_bytes; /* bytes read from scanner */
+ SANE_Word read_bytes; /* bytes transmitted by sane_read */
+
+ SANE_Int red_gamma_table[MA1509_GAMMA_SIZE];
+ SANE_Int green_gamma_table[MA1509_GAMMA_SIZE];
+ SANE_Int blue_gamma_table[MA1509_GAMMA_SIZE];
+
+ SANE_Byte *buffer, *buffer_start;
+ SANE_Int buffer_bytes;
+ /* scanner dependent/low-level state: */
+ Ma1509_Device *hw;
+}
+Ma1509_Scanner;
+
+#endif /* ma1509_h */