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/*
* epsonds.c - Epson ESC/I-2 driver.
*
* Copyright (C) 2015 Tower Technologies
* Author: Alessandro Zummo <a.zummo@towertech.it>
*
* 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, version 2.
*/
#ifndef epsonds_h
#define epsonds_h
#undef BACKEND_NAME
#define BACKEND_NAME epsonds
#define DEBUG_NOT_STATIC
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef NEED_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <string.h> /* for memset and memcpy */
#include <stdio.h>
#include "sane/sane.h"
#include "sane/sanei_backend.h"
#include "sane/sanei_debug.h"
#include "sane/sanei_usb.h"
#include "sane/sanei_jpeg.h"
#define EPSONDS_CONFIG_FILE "epsonds.conf"
#ifndef PATH_MAX
#define PATH_MAX (1024)
#endif
#ifndef XtNumber
#define XtNumber(x) (sizeof(x) / sizeof(x[0]))
#define XtOffset(p_type, field) ((size_t)&(((p_type)NULL)->field))
#define XtOffsetOf(s_type, field) XtOffset(s_type*, field)
#endif
#define ACK 0x06
#define NAK 0x15
#define FS 0x1C
#define FBF_STR SANE_I18N("Flatbed")
#define TPU_STR SANE_I18N("Transparency Unit")
#define ADF_STR SANE_I18N("Automatic Document Feeder")
enum {
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_MODE,
OPT_DEPTH,
OPT_RESOLUTION,
OPT_GEOMETRY_GROUP,
OPT_TL_X,
OPT_TL_Y,
OPT_BR_X,
OPT_BR_Y,
OPT_EQU_GROUP,
OPT_SOURCE,
OPT_EJECT,
OPT_LOAD,
OPT_ADF_MODE,
OPT_ADF_SKEW,
NUM_OPTIONS
};
typedef enum
{ /* hardware connection to the scanner */
SANE_EPSONDS_NODEV, /* default, no HW specified yet */
SANE_EPSONDS_USB, /* USB interface */
SANE_EPSONDS_NET /* network interface */
} epsonds_conn_type;
/* hardware description */
struct epsonds_device
{
struct epsonds_device *next;
epsonds_conn_type connection;
char *name;
char *model;
unsigned int model_id;
SANE_Device sane;
SANE_Range *x_range;
SANE_Range *y_range;
SANE_Range dpi_range;
SANE_Byte alignment;
SANE_Int *res_list; /* list of resolutions */
SANE_Int *depth_list;
SANE_Int max_depth; /* max. color depth */
SANE_Bool has_raw; /* supports RAW format */
SANE_Bool has_fb; /* flatbed */
SANE_Range fbf_x_range; /* x range */
SANE_Range fbf_y_range; /* y range */
SANE_Byte fbf_alignment; /* left, center, right */
SANE_Bool fbf_has_skew; /* supports skew correction */
SANE_Bool has_adf; /* adf */
SANE_Range adf_x_range; /* x range */
SANE_Range adf_y_range; /* y range */
SANE_Bool adf_is_duplex; /* supports duplex mode */
SANE_Bool adf_singlepass; /* supports single pass duplex */
SANE_Bool adf_has_skew; /* supports skew correction */
SANE_Bool adf_has_load; /* supports load command */
SANE_Bool adf_has_eject; /* supports eject command */
SANE_Byte adf_alignment; /* left, center, right */
SANE_Byte adf_has_dfd; /* supports double feed detection */
SANE_Bool has_tpu; /* tpu */
SANE_Range tpu_x_range; /* transparency unit x range */
SANE_Range tpu_y_range; /* transparency unit y range */
};
typedef struct epsonds_device epsonds_device;
typedef struct ring_buffer
{
SANE_Byte *ring, *wp, *rp, *end;
SANE_Int fill, size;
} ring_buffer;
/* an instance of a scanner */
struct epsonds_scanner
{
struct epsonds_scanner *next;
struct epsonds_device *hw;
int fd;
SANE_Option_Descriptor opt[NUM_OPTIONS];
Option_Value val[NUM_OPTIONS];
SANE_Parameters params;
SANE_Byte *buf, *line_buffer;
ring_buffer *current, front, back;
SANE_Bool eof, scanning, canceling, locked, backside, mode_jpeg;
SANE_Int left, top, pages, dummy;
/* jpeg stuff */
djpeg_dest_ptr jdst;
struct jpeg_decompress_struct jpeg_cinfo;
struct jpeg_error_mgr jpeg_err;
SANE_Bool jpeg_header_seen;
/* network buffers */
unsigned char *netbuf, *netptr;
size_t netlen;
};
typedef struct epsonds_scanner epsonds_scanner;
struct mode_param
{
int color;
int flags;
int dropout_mask;
int depth;
};
enum {
MODE_BINARY, MODE_GRAY, MODE_COLOR
};
#endif
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