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Diffstat (limited to 'backend/ma1509.h')
| -rw-r--r-- | backend/ma1509.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/backend/ma1509.h b/backend/ma1509.h new file mode 100644 index 0000000..455ca9c --- /dev/null +++ b/backend/ma1509.h @@ -0,0 +1,177 @@ +/* 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 */ |