sane-project-backends/backend/magicolor.h

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/*
* magicolor.h - SANE library for Magicolor scanners.
*
* (C) 2010 Reinhold Kainhofer <reinhold@kainhofer.com>
*
* Based on the epson2 sane backend:
* Based on Kazuhiro Sasayama previous
* Work on epson.[ch] file from the SANE package.
* Please see those files for original copyrights.
* Copyright (C) 2006 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 magicolor_h
#define magicolor_h
#undef BACKEND_NAME
#define BACKEND_NAME magicolor
#define DEBUG_NOT_STATIC
#include <sys/ioctl.h>
#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 <stdio.h>
#include "../include/sane/sane.h"
#include "../include/sane/sanei_debug.h"
#include "../include/sane/sanei_backend.h"
/* Silence the compiler for unused arguments */
#define NOT_USED(x) ( (void)(x) )
#define MAGICOLOR_CONFIG_FILE "magicolor.conf"
#define NUM_OF_HEX_ELEMENTS (16) /* number of hex numbers per line for data dump */
#define DEVICE_NAME_LEN (16) /* length of device name in extended status */
/* misc constants */
#define NET 0x04
#define CMD 0x03
/* status values */
#define STATUS_READY 0x00 /* scanner is ready */
#define STATUS_ADF_JAM 0x01 /* ADF paper jam */
#define STATUS_OPEN 0x02 /* scanner is open */
#define STATUS_NOT_READY 0x03 /* scanner is in use on another interface */
#define ADF_LOADED 0x01 /* ADF is loaded */
#define MAGICOLOR_CAP_DEFAULT 0
#define MAGICOLOR_LEVEL_1690mf 0
#define MAGICOLOR_LEVEL_DEFAULT MAGICOLOR_LEVEL_1690mf
#define MAGICOLOR_LEVEL_NET MAGICOLOR_LEVEL_1690mf
/* Structure holding the command set for a device */
struct MagicolorCmd
{
const char *level;
unsigned char scanner_cmd;
unsigned char start_scanning;
unsigned char request_error;
unsigned char stop_scanning;
unsigned char request_scan_parameters;
unsigned char set_scan_parameters;
unsigned char request_status;
unsigned char request_data;
unsigned char unknown1;
unsigned char unknown2;
unsigned char net_wrapper_cmd;
unsigned char net_welcome;
unsigned char net_lock;
unsigned char net_lock_ack;
unsigned char net_unlock;
};
/* Structure holding the device capabilities */
struct MagicolorCap
{
unsigned int id;
const char *cmds;
const char *model;
const char *OID;
SANE_Int out_ep, in_ep; /* USB bulk out/in endpoints */
SANE_Int optical_res; /* optical resolution */
SANE_Range dpi_range; /* max/min resolutions */
SANE_Int *res_list; /* list of resolutions */
SANE_Int res_list_size; /* number of entries in this list */
SANE_Int maxDepth; /* max. color depth */
SANE_Word *depth_list; /* list of color depths */
SANE_Range brightness; /* brightness range */
SANE_Range fbf_x_range; /* flattbed x range */
SANE_Range fbf_y_range; /* flattbed y range */
SANE_Bool ADF; /* ADF is installed */
SANE_Bool adf_duplex; /* does the ADF handle duplex scanning */
SANE_Range adf_x_range; /* autom. document feeder x range */
SANE_Range adf_y_range; /* autom. document feeder y range */
};
enum {
OPT_NUM_OPTS = 0,
OPT_MODE_GROUP,
OPT_MODE,
OPT_BIT_DEPTH,
OPT_BRIGHTNESS,
OPT_RESOLUTION,
OPT_PREVIEW,
OPT_SOURCE,
OPT_ADF_MODE,
OPT_GEOMETRY_GROUP,
OPT_TL_X,
OPT_TL_Y,
OPT_BR_X,
OPT_BR_Y,
NUM_OPTIONS
};
typedef enum
{ /* hardware connection to the scanner */
SANE_MAGICOLOR_NODEV, /* default, no HW specified yet */
SANE_MAGICOLOR_USB, /* USB interface */
SANE_MAGICOLOR_NET /* network interface */
} Magicolor_Connection_Type;
/* Structure holding the hardware description */
struct Magicolor_Device
{
struct Magicolor_Device *next;
int missing;
char *name;
char *model;
SANE_Device sane;
SANE_Range *x_range; /* x range w/out extension */
SANE_Range *y_range; /* y range w/out extension */
Magicolor_Connection_Type connection;
struct MagicolorCmd *cmd;
struct MagicolorCap *cap;
};
typedef struct Magicolor_Device Magicolor_Device;
/* Structure holding an instance of a scanner (i.e. scanner has been opened) */
struct Magicolor_Scanner
{
struct Magicolor_Scanner *next;
struct Magicolor_Device *hw;
int fd;
SANE_Option_Descriptor opt[NUM_OPTIONS];
Option_Value val[NUM_OPTIONS];
SANE_Parameters params;
SANE_Bool eof;
SANE_Byte *buf, *end, *ptr;
SANE_Bool canceling;
SANE_Int left, top;
SANE_Int width, height;
/* image block data */
SANE_Int data_len;
SANE_Int block_len;
SANE_Int last_len;
SANE_Int blocks;
SANE_Int counter;
/* store how many bytes of the current pixel line we have already
* read in previous read attempts. Since each line will be padded
* to multiples of 512 bytes, this is needed to know which bytes
* to ignore */
SANE_Int bytes_read_in_line;
SANE_Byte *line_buffer;
/* How many bytes are scanned per line (multiple of 512 bytes */
SANE_Int scan_bytes_per_line;
};
typedef struct Magicolor_Scanner Magicolor_Scanner;
struct mode_param
{
int flags;
int colors;
int depth;
};
enum {
MODE_BINARY, MODE_GRAY, MODE_COLOR
};
#endif