singe/thirdparty/librs232/include/librs232/rs232_posix.h
2023-10-23 19:38:18 -05:00

56 lines
1.7 KiB
C

/*
* Copyright (c) 2011 Petr Stetiar <ynezz@true.cz>, Gaben Ltd.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __LIBRS232_POSIX_H__
#define __LIBRS232_POSIX_H__
#include <termios.h>
#ifndef B460800
#define B460800 460800
#endif
#ifndef B921600
#define B921600 921600
#endif
struct rs232_posix_t {
int fd;
struct termios oldterm;
};
#define GET_PORT_STATE(fd, state) \
if (tcgetattr(fd, state) < 0) { \
DBG("tcgetattr() %d %s\n", errno, strerror(errno)) \
return RS232_ERR_CONFIG; \
}
#define SET_PORT_STATE(fd, state) \
if (tcsetattr(fd, TCSANOW, state) < 0) { \
DBG("tcsetattr() %d %s\n", errno, strerror(errno)) \
return RS232_ERR_CONFIG; \
} \
#endif /* __LIBRS232_POSIX_H__ */