kopia lustrzana https://gitlab.com/sane-project/backends
190 wiersze
5.2 KiB
C
190 wiersze
5.2 KiB
C
/* sane - Scanner Access Now Easy.
|
|
Copyright (C) 2001-2012 Stéphane Voltz <stef.dev@free.fr>
|
|
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; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
As a special exception, the authors of SANE give permission for
|
|
additional uses of the libraries contained in this release of SANE.
|
|
|
|
The exception is that, if you link a SANE library with other files
|
|
to produce an executable, this does not by itself cause the
|
|
resulting executable to be covered by the GNU General Public
|
|
License. Your use of that executable is in no way restricted on
|
|
account of linking the SANE library code into it.
|
|
|
|
This exception does not, however, invalidate any other reasons why
|
|
the executable file might be covered by the GNU General Public
|
|
License.
|
|
|
|
If you submit changes to SANE to the maintainers to be included in
|
|
a subsequent release, you agree by submitting the changes that
|
|
those changes may be distributed with this exception intact.
|
|
|
|
If you write modifications of your own for SANE, it is your choice
|
|
whether to permit this exception to apply to your modifications.
|
|
If you do not wish that, delete this exception notice.
|
|
|
|
This file implements a SANE backend for Umax PP flatbed scanners. */
|
|
|
|
#ifdef HAVE_LINUX_PPDEV_H
|
|
#include <linux/parport.h>
|
|
#include <linux/ppdev.h>
|
|
#include <sys/ioctl.h>
|
|
#endif
|
|
|
|
#include "umax_pp_low.h"
|
|
|
|
#ifndef _UMAX1220P_
|
|
#define _UMAX1220P_
|
|
|
|
#define UMAX1220P_OK 0
|
|
#define UMAX1220P_NOSCANNER 1
|
|
#define UMAX1220P_TRANSPORT_FAILED 2
|
|
#define UMAX1220P_PROBE_FAILED 3
|
|
#define UMAX1220P_SCANNER_FAILED 4
|
|
#define UMAX1220P_PARK_FAILED 5
|
|
#define UMAX1220P_START_FAILED 6
|
|
#define UMAX1220P_READ_FAILED 7
|
|
#define UMAX1220P_BUSY 8
|
|
|
|
/*
|
|
probes the port for an umax1220p scanner
|
|
initialize transport layer
|
|
probe scanner
|
|
|
|
if name is null, direct I/O is attempted to address given in port
|
|
else ppdev is tried using the given name as device
|
|
|
|
on success returns UMAX1220P_OK,
|
|
else one of the error above.
|
|
|
|
*/
|
|
|
|
extern int sanei_umax_pp_attach (int port, const char *name);
|
|
|
|
/*
|
|
recognizes 1220P from 2000P
|
|
|
|
on success returns UMAX1220P_OK,
|
|
else one of the error above.
|
|
|
|
*/
|
|
|
|
extern int sanei_umax_pp_model (int port, int *model);
|
|
|
|
|
|
/*
|
|
if on=1 -> lights scanner lamp
|
|
if on=0 -> lights off scanner lamp
|
|
|
|
on success returns UMAX1220P_OK,
|
|
else one of the error above.
|
|
*/
|
|
|
|
extern int sanei_umax_pp_lamp (int on);
|
|
|
|
|
|
|
|
/*
|
|
probes the port for an umax1220p scanner
|
|
initialize transport layer
|
|
initialize scanner
|
|
|
|
on success returns UMAX1220P_OK,
|
|
else one of the error above.
|
|
|
|
port: addr when doing direc I/O
|
|
name: ppdev character device name
|
|
|
|
*/
|
|
|
|
extern int sanei_umax_pp_open (int port, char *name);
|
|
|
|
|
|
|
|
/*
|
|
release any resource acquired during open
|
|
since there may be only one scanner, no port parameter
|
|
*/
|
|
extern int sanei_umax_pp_close (void);
|
|
|
|
|
|
|
|
|
|
/*
|
|
stops any pending action, then parks the head
|
|
*/
|
|
extern int sanei_umax_pp_cancel (void);
|
|
|
|
/* starts scanning:
|
|
- find scanner origin
|
|
- does channel gain calibration if needed
|
|
- does calibration
|
|
- initialize scan operation
|
|
|
|
x, y, width and height are expressed in 600 dpi unit
|
|
|
|
dpi must be 75, 150, 300, 600 or 1200
|
|
|
|
color is true for color scan, false for gray-levels
|
|
|
|
gain value is 256*red_gain+16*green_gain+blue_gain
|
|
if gain is given (ie <> 0), auto gain will not be performed
|
|
|
|
|
|
|
|
returns UMAX1220P_OK on success, or one of the error above
|
|
if successful, rbpp holds bytes/pixel, rth the height and rtw
|
|
the width of scanned area expressed in pixels
|
|
*/
|
|
extern int sanei_umax_pp_start (int x, int y, int width, int height, int dpi,
|
|
int color, int autoset, int gain,
|
|
int offset, int *rbpp, int *rtw, int *rth);
|
|
|
|
|
|
/* reads one block of data from scanner
|
|
returns UMAX1220P_OK on success, or UMAX1220P_READ_FAILED on error
|
|
it also sets internal cancel flag on error
|
|
|
|
len if the length of the block needed
|
|
window if the width in pixels of the scanned area
|
|
dpi is the resolution, it is used to choose the best read method
|
|
last is true if it is the last block of the scan
|
|
buffer will hold the data read
|
|
*/
|
|
extern int sanei_umax_pp_read (long len, int window, int dpi, int last,
|
|
unsigned char *buffer);
|
|
|
|
|
|
|
|
/* get ASIC status from scanner
|
|
returns UMAX1220P_OK if scanner idle, or UMAX1220P_BUSY if
|
|
scanner's motor is on
|
|
*/
|
|
extern int sanei_umax_pp_status (void);
|
|
|
|
/* set auto calibration 0: no, else yes */
|
|
extern void sanei_umax_pp_setauto (int mode);
|
|
|
|
/* set umax astra model number */
|
|
extern void sanei_umax_pp_setastra (int val);
|
|
|
|
/* set gamma tables */
|
|
extern void sanei_umax_pp_gamma (int *red, int *green, int *blue);
|
|
|
|
/* sets coordinate of first usable left pixel */
|
|
extern int sanei_umax_pp_getLeft (void);
|
|
#endif
|