1 /* 2 * epsonds.c - Epson ESC/I-2 driver. 3 * 4 * Copyright (C) 2015 Tower Technologies 5 * Author: Alessandro Zummo <a.zummo@towertech.it> 6 * 7 * This file is part of the SANE package. 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation, version 2. 12 */ 13 14 #ifndef epsonds_h 15 #define epsonds_h 16 17 #undef BACKEND_NAME 18 #define BACKEND_NAME epsonds 19 #define DEBUG_NOT_STATIC 20 21 #define mode_params epsonds_mode_params 22 #define source_list epsonds_source_list 23 24 #ifdef HAVE_SYS_IOCTL_H 25 #include <sys/ioctl.h> 26 #endif 27 28 #ifdef HAVE_STDDEF_H 29 #include <stddef.h> 30 #endif 31 32 #ifdef HAVE_STDLIB_H 33 #include <stdlib.h> 34 #endif 35 36 #ifdef NEED_SYS_TYPES_H 37 #include <sys/types.h> 38 #endif 39 40 #include <string.h> /* for memset and memcpy */ 41 #include <stdio.h> 42 43 #include "sane/sane.h" 44 #include "sane/sanei_backend.h" 45 #include "sane/sanei_debug.h" 46 #include "sane/sanei_usb.h" 47 #include "sane/sanei_jpeg.h" 48 49 #define EPSONDS_CONFIG_FILE "epsonds.conf" 50 51 #ifndef PATH_MAX 52 #define PATH_MAX (1024) 53 #endif 54 55 #ifndef XtNumber 56 #define XtNumber(x) (sizeof(x) / sizeof(x[0])) 57 #define XtOffset(p_type, field) ((size_t)&(((p_type)NULL)->field)) 58 #define XtOffsetOf(s_type, field) XtOffset(s_type*, field) 59 #endif 60 61 #define ACK 0x06 62 #define NAK 0x15 63 #define FS 0x1C 64 65 #define FBF_STR SANE_I18N("Flatbed") 66 #define TPU_STR SANE_I18N("Transparency Unit") 67 #define ADF_STR SANE_I18N("Automatic Document Feeder") 68 69 #define STRING_FLATBED SANE_I18N("Flatbed") 70 #define STRING_ADFFRONT SANE_I18N("ADF Front") 71 #define STRING_ADFDUPLEX SANE_I18N("ADF Duplex") 72 73 enum { 74 OPT_NUM_OPTS = 0, 75 OPT_STANDARD_GROUP, 76 OPT_SOURCE, 77 OPT_MODE, 78 OPT_DEPTH, 79 OPT_RESOLUTION, 80 OPT_GEOMETRY_GROUP, 81 OPT_TL_X, 82 OPT_TL_Y, 83 OPT_BR_X, 84 OPT_BR_Y, 85 OPT_EQU_GROUP, 86 OPT_EJECT, 87 OPT_LOAD, 88 OPT_ADF_SKEW, 89 OPT_ADF_CRP, 90 NUM_OPTIONS 91 }; 92 93 typedef enum 94 { /* hardware connection to the scanner */ 95 SANE_EPSONDS_NODEV, /* default, no HW specified yet */ 96 SANE_EPSONDS_USB, /* USB interface */ 97 SANE_EPSONDS_NET /* network interface */ 98 } epsonds_conn_type; 99 100 /* hardware description */ 101 102 struct epsonds_device 103 { 104 struct epsonds_device *next; 105 106 epsonds_conn_type connection; 107 108 char *name; 109 char *model; 110 111 unsigned int model_id; 112 113 SANE_Device sane; 114 SANE_Range *x_range; 115 SANE_Range *y_range; 116 SANE_Range dpi_range; 117 SANE_Byte alignment; 118 119 120 SANE_Int *res_list; /* list of resolutions */ 121 SANE_Int *depth_list; 122 SANE_Int max_depth; /* max. color depth */ 123 124 SANE_Bool has_raw; /* supports RAW format */ 125 126 SANE_Bool has_mono; /*supprt M001*/ 127 128 SANE_Bool has_fb; /* flatbed */ 129 SANE_Range fbf_x_range; /* x range */ 130 SANE_Range fbf_y_range; /* y range */ 131 SANE_Byte fbf_alignment; /* left, center, right */ 132 SANE_Bool fbf_has_skew; /* supports skew correction */ 133 134 SANE_Bool has_adf; /* adf */ 135 SANE_Range adf_x_range; /* x range */ 136 SANE_Range adf_y_range; /* y range */ 137 SANE_Bool adf_is_duplex; /* supports duplex mode */ 138 SANE_Bool adf_singlepass; /* supports single pass duplex */ 139 SANE_Bool adf_has_skew; /* supports skew correction */ 140 SANE_Bool adf_has_load; /* supports load command */ 141 SANE_Bool adf_has_eject; /* supports eject command */ 142 SANE_Byte adf_alignment; /* left, center, right */ 143 SANE_Byte adf_has_dfd; /* supports double feed detection */ 144 145 SANE_Byte adf_has_crp; /* supports crp */ 146 147 SANE_Bool has_tpu; /* tpu */ 148 SANE_Range tpu_x_range; /* transparency unit x range */ 149 SANE_Range tpu_y_range; /* transparency unit y range */ 150 151 SANE_Int lut_id; 152 }; 153 154 typedef struct epsonds_device epsonds_device; 155 156 typedef struct ring_buffer 157 { 158 SANE_Byte *ring, *wp, *rp, *end; 159 SANE_Int fill, size; 160 161 } ring_buffer; 162 163 /* an instance of a scanner */ 164 165 struct epsonds_scanner 166 { 167 struct epsonds_scanner *next; 168 struct epsonds_device *hw; 169 170 int fd; 171 172 SANE_Option_Descriptor opt[NUM_OPTIONS]; 173 Option_Value val[NUM_OPTIONS]; 174 SANE_Parameters params; 175 176 size_t bsz; /* transfer buffer size */ 177 SANE_Byte *buf, *line_buffer; 178 ring_buffer *current, front, back; 179 180 SANE_Bool eof, scanning, canceling, locked, backside, mode_jpeg; 181 182 SANE_Int left, top, pages, dummy; 183 184 SANE_Int width_front, height_front; 185 SANE_Int width_back , height_back; 186 SANE_Int width_temp, height_temp; 187 188 /* jpeg stuff */ 189 190 djpeg_dest_ptr jdst; 191 struct jpeg_decompress_struct jpeg_cinfo; 192 struct jpeg_error_mgr jpeg_err; 193 SANE_Bool jpeg_header_seen; 194 195 /* network buffers */ 196 unsigned char *netbuf, *netptr; 197 size_t netlen; 198 199 SANE_Byte *frontJpegBuf, *backJpegBuf; 200 SANE_Int frontJpegBufLen, backJpegBufLen; 201 SANE_Int acquirePage; 202 203 SANE_Int isflatbedScan; 204 SANE_Int isDuplexScan; 205 206 SANE_Int needToConvertBW; 207 208 SANE_Int scanEnd; 209 }; 210 211 typedef struct epsonds_scanner epsonds_scanner; 212 213 struct mode_param 214 { 215 int color; 216 int flags; 217 int dropout_mask; 218 int depth; 219 }; 220 221 enum { 222 MODE_BINARY, MODE_GRAY, MODE_COLOR 223 }; 224 225 #endif 226