rs232_posix.h 1.7 KB

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  1. /*
  2. * Copyright (c) 2011 Petr Stetiar <[email protected]>, Gaben Ltd.
  3. *
  4. * Permission is hereby granted, free of charge, to any person
  5. * obtaining a copy of this software and associated documentation
  6. * files (the "Software"), to deal in the Software without
  7. * restriction, including without limitation the rights to use,
  8. * copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. * copies of the Software, and to permit persons to whom the
  10. * Software is furnished to do so, subject to the following
  11. * conditions:
  12. *
  13. * The above copyright notice and this permission notice shall be
  14. * included in all copies or substantial portions of the Software.
  15. *
  16. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  18. * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23. * OTHER DEALINGS IN THE SOFTWARE.
  24. *
  25. */
  26. #ifndef __LIBRS232_POSIX_H__
  27. #define __LIBRS232_POSIX_H__
  28. #include <termios.h>
  29. #ifndef B460800
  30. #define B460800 460800
  31. #endif
  32. struct rs232_posix_t {
  33. int fd;
  34. struct termios oldterm;
  35. };
  36. #define GET_PORT_STATE(fd, state) \
  37. if (tcgetattr(fd, state) < 0) { \
  38. DBG("tcgetattr() %d %s\n", errno, strerror(errno)) \
  39. return RS232_ERR_CONFIG; \
  40. }
  41. #define SET_PORT_STATE(fd, state) \
  42. if (tcsetattr(fd, TCSANOW, state) < 0) { \
  43. DBG("tcsetattr() %d %s\n", errno, strerror(errno)) \
  44. return RS232_ERR_CONFIG; \
  45. } \
  46. #endif /* __LIBRS232_POSIX_H__ */