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Diffstat (limited to 'backend/epsonds.h')
| -rw-r--r-- | backend/epsonds.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/backend/epsonds.h b/backend/epsonds.h new file mode 100644 index 0000000..2c2e422 --- /dev/null +++ b/backend/epsonds.h @@ -0,0 +1,198 @@ +/* + * 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" + +#ifdef __GNUC__ +#define __func__ __FUNCTION__ +#else +#define __func__ "(undef)" +/* I cast my vote for C99... :) */ +#endif + +#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 (unsupported)*/ +} 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_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; +}; + +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 |