57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/*
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* avrdude - A Downloader/Uploader for AVR device programmers
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* Copyright (C) 2003, 2005 Theodore A. Roth
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* $Id$ */
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#ifndef linux_ppdev_h
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#define linux_ppdev_h
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#define OBSOLETE__IOW _IOW
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#include <sys/ioctl.h>
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#include <linux/parport.h>
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#include <linux/ppdev.h>
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#include <stdlib.h>
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#define ppi_claim(fd) \
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if (ioctl(fd, PPCLAIM)) { \
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fprintf(stderr, "%s: can't claim device \"%s\": %s\n\n", \
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progname, port, strerror(errno)); \
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close(fd); \
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exit(1); \
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}
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#define ppi_release(fd) \
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if (ioctl(fd, PPRELEASE)) { \
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fprintf(stderr, "%s: can't release device: %s\n\n", \
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progname, strerror(errno)); \
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exit(1); \
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}
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#define DO_PPI_READ(fd, reg, valp) \
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(void)ioctl(fd, \
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(reg) == PPIDATA? PPRDATA: ((reg) == PPICTRL? PPRCONTROL: PPRSTATUS), \
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valp)
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#define DO_PPI_WRITE(fd, reg, valp) \
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(void)ioctl(fd, \
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(reg) == PPIDATA? PPWDATA: ((reg) == PPICTRL? PPWCONTROL: PPWSTATUS), \
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valp)
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#endif /* linux_ppdev_h */
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