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72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/*
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* tio - a simple serial terminal I/O tool
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*
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* Copyright (c) 2017-2022 Martin Lund
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#include <errno.h>
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#ifdef HAVE_TERMIOS2
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#define termios asmtermios
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#include <sys/ioctl.h>
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#undef termios
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#include <asm-generic/ioctls.h>
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#include <asm-generic/termbits.h>
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#elif HAVE_IOSSIOSPEED
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#include <sys/ioctl.h>
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#include <IOKit/serial/ioss.h>
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#endif
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#include "misc.h"
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#ifdef HAVE_TERMIOS2
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int setspeed(int fd, int baudrate)
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{
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struct termios2 tio;
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int status;
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status = ioctl(fd, TCGETS2, &tio);
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// Set baudrate speed using termios2 interface
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tio.c_cflag &= ~CBAUD;
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tio.c_cflag |= BOTHER;
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tio.c_ispeed = baudrate;
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tio.c_ospeed = baudrate;
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status = ioctl(fd, TCSETS2, &tio);
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return status;
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}
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#elif HAVE_IOSSIOSPEED
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int setspeed(int fd, int baudrate)
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{
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return ioctl(fd, IOSSIOSPEED, (char *)&baudrate);
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}
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#else
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int setspeed(int fd, int baudrate)
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{
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UNUSED(fd);
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UNUSED(baudrate);
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errno = EINVAL;
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return -1;
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}
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#endif
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