Exemplo n.º 1
0
int
serial_close(Serial fd)
{
  int result;

  if (SERIAL_INVALID_CHECK(fd) >= 0) {
    do {
      result = close (fd);
    } while (result < 0 && errno == EINTR);
  }

  return result;
}
Exemplo n.º 2
0
int
rr_dev_open (rr_dev dev, const char *port, long speed)
{
  char *error = NULL;
  dev->fd = serial_open (port, speed, &error);
  if (SERIAL_INVALID_CHECK(dev->fd) < 0)
  {
      rr_dev_log (dev, RR_DEBUG_ALWAYS, "Failed to open device %s", error ? error : "<no error>");
      fprintf (stderr, "%s\n", error ? error : "<null>");
      return -1;
  }
  else
    return 0;
}
Exemplo n.º 3
0
int
rr_dev_is_connected (rr_dev dev)
{
  return SERIAL_INVALID_CHECK(dev->fd) < 0 ? 0 : 1;
}