sanei_pa4s2.h

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/* sane - Scanner Access Now Easy.
   Copyright (C) 2000-2003 Jochen Eisinger <jochen.eisinger@gmx.net>
   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. 
*/

#ifndef sanei_pa4s2_h
#define sanei_pa4s2_h

#include <sys/types.h>
#include <sane/sane.h>

/* @{ */
#define SANEI_PA4S2_OPT_DEFAULT         0       /* normal mode */
#define SANEI_PA4S2_OPT_TRY_MODE_UNI    1       /* enable UNI protocoll */
#define SANEI_PA4S2_OPT_ALT_LOCK        2       /* use alternative lock cmd */
#define SANEI_PA4S2_OPT_NO_EPP          4       /* do not try to use EPP */
/* @} */

extern const char ** sanei_pa4s2_devices(void);

extern SANE_Status sanei_pa4s2_open (const char *dev, int *fd);

extern SANE_Status sanei_pa4s2_scsi_pp_open (const char *dev, int *fd);

extern void sanei_pa4s2_close (int fd);

extern SANE_Status sanei_pa4s2_options (u_int * options, int set);

extern SANE_Status sanei_pa4s2_enable (int fd, int enable);

extern SANE_Status sanei_pa4s2_readbegin (int fd, u_char reg);

extern SANE_Status sanei_pa4s2_scsi_pp_get_status (int fd, u_char *status);

extern SANE_Status sanei_pa4s2_scsi_pp_reg_select (int fd, int reg);

extern SANE_Status sanei_pa4s2_readbyte (int fd, u_char * val);

extern SANE_Status sanei_pa4s2_readend (int fd);

extern SANE_Status sanei_pa4s2_writebyte (int fd, u_char reg, u_char val);

#endif

---