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Diffstat (limited to 'backend/lexmark_x2600.h')
| -rw-r--r-- | backend/lexmark_x2600.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/backend/lexmark_x2600.h b/backend/lexmark_x2600.h new file mode 100644 index 0000000..e53b48d --- /dev/null +++ b/backend/lexmark_x2600.h @@ -0,0 +1,151 @@ +/* lexmark_x2600.c: SANE backend for Lexmark x2600 scanners. + + (C) 2023 "Benoit Juin" <benoit.juin@gmail.com> + + 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, see <https://www.gnu.org/licenses/>. + + 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. + + **************************************************************************/ +#ifndef LEXMARK_X2600_H +#define LEXMARK_X2600_H +#define BACKEND_NAME lexmark_x2600 +#include "../include/sane/config.h" + +#include <errno.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <time.h> +#include <unistd.h> +#include <fcntl.h> +#include <ctype.h> +#include <sys/time.h> + +#include "../include/_stdint.h" +#include "../include/sane/sane.h" +#include "../include/sane/sanei.h" +#include "../include/sane/saneopts.h" +#include "../include/sane/sanei_config.h" +#include "../include/sane/sanei_usb.h" +#include "../include/sane/sanei_backend.h" + + +typedef struct Read_Buffer +{ + SANE_Int gray_offset; + SANE_Int max_gray_offset; + SANE_Int region; + SANE_Int red_offset; + SANE_Int green_offset; + SANE_Int blue_offset; + SANE_Int max_red_offset; + SANE_Int max_green_offset; + SANE_Int max_blue_offset; + SANE_Byte *data; + SANE_Byte *readptr; + SANE_Byte *writeptr; + SANE_Byte *max_writeptr; + size_t size; + size_t linesize; + size_t last_line_bytes_read; + SANE_Bool empty; + SANE_Int image_line_no; + SANE_Int write_byte_counter; + SANE_Int read_byte_counter; +} +Read_Buffer; + + +typedef enum +{ + OPT_NUM_OPTS = 0, + OPT_MODE, + OPT_RESOLUTION, + 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 */ + + /* must come last: */ + NUM_OPTIONS +} +Lexmark_Options; + +typedef enum +{ + READ = 0, + WRITE = 1, +} +Debug_Packet; + + +typedef struct Lexmark_Device +{ + struct Lexmark_Device *next; + SANE_Bool missing; /**< devices has been unplugged or swtiched off */ + + SANE_Device sane; + SANE_Option_Descriptor opt[NUM_OPTIONS]; + Option_Value val[NUM_OPTIONS]; + SANE_Parameters params; + SANE_Int devnum; + long data_size; + SANE_Bool initialized; + SANE_Bool eof; + SANE_Int x_dpi; + SANE_Int y_dpi; + long data_ctr; + SANE_Bool device_cancelled; + SANE_Int cancel_ctr; + SANE_Byte *transfer_buffer; + size_t bytes_read; + size_t bytes_remaining; + size_t bytes_in_buffer; + SANE_Byte *read_pointer; + Read_Buffer *read_buffer; +} +Lexmark_Device; + + +void debug_packet(const SANE_Byte * source, SANE_Int source_size, Debug_Packet dp); + +#endif /* LEXMARK_X2600_H */ |