kopia lustrzana https://gitlab.com/sane-project/backends
286 wiersze
8.5 KiB
C
286 wiersze
8.5 KiB
C
#ifndef EPJITSU_H
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#define EPJITSU_H
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/*
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* Part of SANE - Scanner Access Now Easy.
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* Please see opening comment in epjitsu.c
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*/
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/* -------------------------------------------------------------------------
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* This option list has to contain all options for all scanners supported by
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* this driver. If a certain scanner cannot handle a certain option, there's
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* still the possibility to say so, later.
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*/
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enum scanner_Option
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{
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_SOURCE, /*adffront/adfback/adfduplex/fb*/
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OPT_MODE, /*mono/gray/color*/
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OPT_X_RES,
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OPT_Y_RES,
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/* must come last: */
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NUM_OPTIONS
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};
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#define FIRMWARE_LENGTH 0x10000
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#define MAX_IMG_PASS 0x10000
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#define MAX_IMG_BLOCK 0x80000
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struct transfer {
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int height;
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int width_pix;
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int width_bytes;
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int total_pix;
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int total_bytes;
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int rx_bytes;
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int tx_bytes;
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unsigned char * buffer;
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};
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struct scanner
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{
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/* --------------------------------------------------------------------- */
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/* immutable values which are set during init of scanner. */
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struct scanner *next;
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int model;
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int has_fb;
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int has_adf;
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int x_res_150;
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int x_res_300;
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int x_res_600;
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int y_res_150;
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int y_res_300;
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int y_res_600;
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/* --------------------------------------------------------------------- */
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/* immutable values which are set during inquiry probing of the scanner. */
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SANE_Device sane; /*contains: name, vendor, model, type*/
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/* --------------------------------------------------------------------- */
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/* changeable SANE_Option structs provide our interface to frontend. */
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/* long array of option structs */
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SANE_Option_Descriptor opt[NUM_OPTIONS];
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/* --------------------------------------------------------------------- */
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/* some options require lists of strings or numbers, we keep them here */
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/* instead of in global vars so that they can differ for each scanner */
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/*mode group, room for lineart, gray, color, null */
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SANE_String_Const source_list[5];
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SANE_String_Const mode_list[4];
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SANE_Int x_res_list[4];
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SANE_Int y_res_list[4];
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/* --------------------------------------------------------------------- */
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/* changeable vars to hold user input. modified by SANE_Options above */
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/*mode group*/
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int source; /* adf or fb */
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int mode; /* color,lineart,etc */
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int res; /* from a limited list, x and y same */
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int resolution_x; /* unused dummy */
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int resolution_y; /* unused dummy */
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int threshold;
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int height; /* may run out on adf */
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/* --------------------------------------------------------------------- */
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/* values which are set by user parameter changes, scanner specific */
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unsigned char * setWindowCoarseCal; /* sent before coarse cal */
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size_t setWindowCoarseCalLen;
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unsigned char * setWindowFineCal; /* sent before fine cal */
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size_t setWindowFineCalLen;
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unsigned char * setWindowSendCal; /* sent before send cal */
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size_t setWindowSendCalLen;
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unsigned char * sendCal1Header; /* part of 1b c3 command */
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size_t sendCal1HeaderLen;
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unsigned char * sendCal2Header; /* part of 1b c4 command */
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size_t sendCal2HeaderLen;
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unsigned char * setWindowScan; /* sent before scan */
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size_t setWindowScanLen;
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/* --------------------------------------------------------------------- */
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/* values which are set by scanning functions to keep track of pages, etc */
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int started;
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int side;
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int send_eof; /*we've sent all of image*/
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/* requested size params (almost no relation to actual data?) */
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int req_width; /* pixel width of first read-head? */
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int head_width;
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int pad_width;
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/* holds temp buffer for getting 1 line of cal data */
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struct transfer coarsecal;
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/* holds temp buffer for getting 32 lines of cal data */
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struct transfer darkcal;
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/* holds temp buffer for getting 32 lines of cal data */
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struct transfer lightcal;
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/* holds temp buffer for building calibration data */
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struct transfer sendcal;
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/* scanner transmits more data per line than requested */
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/* due to padding and/or duplex interlacing */
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/* the scan struct holds these larger numbers, but buffer is unused */
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struct transfer scan;
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/* scanner transmits data in blocks, up to 512k */
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/* but always ends on a scanline. */
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/* the block struct holds the most recent buffer */
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struct transfer block;
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/* final-sized front image, always used */
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struct transfer front;
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/* final-sized back image, only used during duplex/backside */
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struct transfer back;
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/* --------------------------------------------------------------------- */
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/* values used by the command and data sending function */
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int fd; /* The scanner device file descriptor. */
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};
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#define MODEL_S300 0
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#define MODEL_FI60F 1
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#define USB_COMMAND_TIME 10000
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#define USB_DATA_TIME 10000
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#define SIDE_FRONT 0
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#define SIDE_BACK 1
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#define SOURCE_FLATBED 0
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#define SOURCE_ADF_FRONT 1
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#define SOURCE_ADF_BACK 2
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#define SOURCE_ADF_DUPLEX 3
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#define MODE_COLOR 0
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#define MODE_GRAYSCALE 1
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#define MODE_LINEART 2
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#define WINDOW_COARSECAL 0
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#define WINDOW_FINECAL 1
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#define WINDOW_SENDCAL 2
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#define WINDOW_SCAN 3
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/* ------------------------------------------------------------------------- */
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#define MM_PER_INCH 25.4
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#define MM_PER_UNIT_UNFIX SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0))
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#define MM_PER_UNIT_FIX SANE_FIX(SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0)))
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#define SCANNER_UNIT_TO_FIXED_MM(number) SANE_FIX((number) * MM_PER_UNIT_UNFIX)
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#define FIXED_MM_TO_SCANNER_UNIT(number) SANE_UNFIX(number) / MM_PER_UNIT_UNFIX
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#define CONFIG_FILE "epjitsu.conf"
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#ifndef PATH_MAX
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# define PATH_MAX 1024
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#endif
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#ifndef PATH_SEP
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#ifdef HAVE_OS2_H
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# define PATH_SEP '\\'
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#else
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# define PATH_SEP '/'
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#endif
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#endif
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/* ------------------------------------------------------------------------- */
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SANE_Status sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize);
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SANE_Status sane_get_devices (const SANE_Device *** device_list,
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SANE_Bool local_only);
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SANE_Status sane_open (SANE_String_Const name, SANE_Handle * handle);
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SANE_Status sane_set_io_mode (SANE_Handle h, SANE_Bool non_blocking);
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SANE_Status sane_get_select_fd (SANE_Handle h, SANE_Int * fdp);
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const SANE_Option_Descriptor * sane_get_option_descriptor (SANE_Handle handle,
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SANE_Int option);
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SANE_Status sane_control_option (SANE_Handle handle, SANE_Int option,
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SANE_Action action, void *val,
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SANE_Int * info);
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SANE_Status sane_start (SANE_Handle handle);
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SANE_Status sane_get_parameters (SANE_Handle handle,
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SANE_Parameters * params);
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SANE_Status sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len,
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SANE_Int * len);
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void sane_cancel (SANE_Handle h);
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void sane_close (SANE_Handle h);
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void sane_exit (void);
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/* ------------------------------------------------------------------------- */
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static SANE_Status attach_one (const char *devicename);
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static SANE_Status connect_fd (struct scanner *s);
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static SANE_Status disconnect_fd (struct scanner *s);
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static SANE_Status
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do_cmd(struct scanner *s, int shortTime,
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unsigned char * cmdBuff, size_t cmdLen,
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unsigned char * outBuff, size_t outLen,
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unsigned char * inBuff, size_t * inLen
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);
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/*
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static SANE_Status load_calibration (struct scanner *s);
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static SANE_Status read_from_scanner_gray(struct scanner *s);
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*/
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/* commands */
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static SANE_Status load_fw(struct scanner *s);
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static SANE_Status get_ident(struct scanner *s);
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static SANE_Status change_params(struct scanner *s);
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void update_block_totals(struct scanner * s);
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static SANE_Status destroy(struct scanner *s);
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static SANE_Status teardown_buffers(struct scanner *s);
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static SANE_Status setup_buffers(struct scanner *s);
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static SANE_Status ingest(struct scanner *s);
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static SANE_Status coarsecal(struct scanner *s);
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static SANE_Status finecal(struct scanner *s);
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static SANE_Status lamp(struct scanner *s, unsigned char set);
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static SANE_Status set_window(struct scanner *s, int window);
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static SANE_Status scan(struct scanner *s);
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static SANE_Status read_from_scanner(struct scanner *s, struct transfer *tp);
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static SANE_Status fill_frontback_buffers_S300(struct scanner *s);
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static SANE_Status fill_frontback_buffers_FI60F(struct scanner *s);
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/* utils */
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static void hexdump (int level, char *comment, unsigned char *p, int l);
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static size_t maxStringSize (const SANE_String_Const strings[]);
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#endif /* EPJITSU_H */
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