From 6e9c41a892ed0e0da326e0278b3221ce3f5713b8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?J=C3=B6rg=20Frings-F=C3=BCrst?= Date: Mon, 6 Oct 2014 14:00:40 +0200 Subject: Initial import of sane-backends version 1.0.24-1.2 --- backend/mustek_scsi_pp.h | 123 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 backend/mustek_scsi_pp.h (limited to 'backend/mustek_scsi_pp.h') diff --git a/backend/mustek_scsi_pp.h b/backend/mustek_scsi_pp.h new file mode 100644 index 0000000..5d1c900 --- /dev/null +++ b/backend/mustek_scsi_pp.h @@ -0,0 +1,123 @@ +/* sane - Scanner Access Now Easy. + Copyright (C) 2003 James Perry + 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + 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 the SCSI-over-parallel port protocol used in, + for example, the Paragon 600 II EP +*/ + +#ifndef mustek_scsi_pp_h +#define mustek_scsi_pp_h + +static int mustek_scsi_pp_get_time (void); + +/** + * Open the connection to a Mustek SCSI-over-pp device. + * + * @param dev Port address as text. + * @param fd Information about port address and I/O method. fd is not a file + * descriptor. The name and type are used for compatibility reasons. + * + * @return + * - SANE_STATUS_GOOD - on success + * - SANE_STATUS_INVAL - if the port address can't be interpreted + * - SANE_STATUS_IO_ERROR - if the device file for a port couldn't be accessed + */ +static SANE_Status mustek_scsi_pp_open (const char *dev, int *fd); + +/** + * Close the connection to a Mustek SCSI-over-PP device. + * + * @param fd Information about port address and I/O method. + * + */ +static void mustek_scsi_pp_close (int fd); + +/** + * Exit Mustek SCSI-over-PP. + */ +static void mustek_scsi_pp_exit (void); + +/** + * Find out if the device is ready to accept new commands. + * + * @param fd Information about port address and I/O method. + * + * @return + * - SANE_STATUS_GOOD - if the device is ready + * - SANE_STATUS_DEVICE_BUSY if the device is still busy (try again later) + */ +static SANE_Status mustek_scsi_pp_test_ready (int fd); + +/** + * Send a command to the Mustek SCSI-over-pp device. + * + * @param fd Information about port address and I/O method. + * @param src Data to be sent to the device. + * @param src_size Size of data to be sent to the device. + * @param dst Data to be received from the device. + * @param dst_size Size of data to be received from the device + * + * @return + * - SANE_STATUS_GOOD - on success + * - SANE_STATUS_IO_ERROR - if an error occured during the dialog with the + * device + */ +static SANE_Status mustek_scsi_pp_cmd (int fd, const void *src, size_t src_size, + void *dst, size_t * dst_size); + +/** + * Read scanned image data. + * + * @param fd Information about port address and I/O method. + * @param planes Bytes per pixel (3 for color, 1 for all other modes) + * @param buf Buffer for image data. + * @param lines Number of lines + * @param bpl Bytes per line + * + * @return + * - SANE_STATUS_GOOD - on success + * - SANE_STATUS_IO_ERROR - if an error occured during the dialog with the + * device + */ +static SANE_Status mustek_scsi_pp_rdata (int fd, int planes, + SANE_Byte * buf, int lines, int bpl); + + +#endif /* mustek_scsi_pp_h */ -- cgit v1.2.3