57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* Copyright (C) 2010 Red Hat, Inc.
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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 version 2 of the GNU General Public
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* License as published by the Free Software Foundation
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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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#include <errno.h>
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#include <termios.h>
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#include <fcntl.h>
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#include <string.h>
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#include "com.h"
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#include "errors.h"
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int
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qcdm_port_setup (int fd)
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{
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struct termios stbuf;
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errno = 0;
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memset (&stbuf, 0, sizeof (stbuf));
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if (tcgetattr (fd, &stbuf) != 0) {
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qcdm_err (0, "tcgetattr() error: %d", errno);
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return -QCDM_ERROR_SERIAL_CONFIG_FAILED;
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}
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stbuf.c_cflag &= ~(CBAUD | CSIZE | CSTOPB | CLOCAL | PARENB);
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stbuf.c_iflag &= ~(HUPCL | IUTF8 | IUCLC | ISTRIP | IXON | IXOFF | IXANY | ICRNL);
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stbuf.c_oflag &= ~(OPOST | OCRNL | ONLCR | OLCUC | ONLRET);
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stbuf.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO | ECHOE | ECHOK | ECHONL);
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stbuf.c_lflag &= ~(NOFLSH | XCASE | TOSTOP | ECHOPRT | ECHOCTL | ECHOKE);
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stbuf.c_cc[VMIN] = 1;
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stbuf.c_cc[VTIME] = 0;
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stbuf.c_cc[VEOF] = 1;
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stbuf.c_cflag |= (B115200 | CS8 | CREAD | 0 | 0); /* No parity, 1 stop bit */
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errno = 0;
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if (tcsetattr (fd, TCSANOW, &stbuf) < 0) {
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qcdm_err (0, "tcgetattr() error: %d", errno);
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return -QCDM_ERROR_SERIAL_CONFIG_FAILED;
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}
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return QCDM_SUCCESS;
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}
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