diff options
Diffstat (limited to 'libwmc/src/com.c')
-rw-r--r-- | libwmc/src/com.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libwmc/src/com.c b/libwmc/src/com.c new file mode 100644 index 0000000..2f4d3b3 --- /dev/null +++ b/libwmc/src/com.c @@ -0,0 +1,56 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * Copyright (C) 2011 Red Hat, Inc. + * + * This program is free software: you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation + * + * 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, see <http://www.gnu.org/licenses/>. + */ + +#include <errno.h> +#include <termios.h> +#include <fcntl.h> +#include <string.h> + +#include "com.h" +#include "errors.h" + +int +wmc_port_setup (int fd) +{ + struct termios stbuf; + + errno = 0; + memset (&stbuf, 0, sizeof (stbuf)); + if (tcgetattr (fd, &stbuf) != 0) { + wmc_err (0, "tcgetattr() error: %d", errno); + return -WMC_ERROR_SERIAL_CONFIG_FAILED; + } + + stbuf.c_cflag &= ~(CBAUD | CSIZE | CSTOPB | CLOCAL | PARENB); + stbuf.c_iflag &= ~(HUPCL | IUTF8 | IUCLC | ISTRIP | IXON | IXOFF | IXANY | ICRNL); + stbuf.c_oflag &= ~(OPOST | OCRNL | ONLCR | OLCUC | ONLRET); + stbuf.c_lflag &= ~(ICANON | ISIG | IEXTEN | ECHO | ECHOE | ECHOK | ECHONL); + stbuf.c_lflag &= ~(NOFLSH | XCASE | TOSTOP | ECHOPRT | ECHOCTL | ECHOKE); + stbuf.c_cc[VMIN] = 1; + stbuf.c_cc[VTIME] = 0; + stbuf.c_cc[VEOF] = 1; + stbuf.c_cflag |= (B115200 | CS8 | CREAD | 0 | 0); /* No parity, 1 stop bit */ + + errno = 0; + if (tcsetattr (fd, TCSANOW, &stbuf) < 0) { + wmc_err (0, "tcgetattr() error: %d", errno); + return -WMC_ERROR_SERIAL_CONFIG_FAILED; + } + + return 0; +} + |