Function uart_register

drivers/serial/serial.c:2077–2136

 ****************************************************************************/

int uart_register(FAR const char *path, FAR uart_dev_t *dev)
{
#if defined(CONFIG_TTY_SIGINT) || defined(CONFIG_TTY_SIGTSTP)
  /* Initialize  of the task that will receive SIGINT signals. */

  dev->pid = INVALID_PROCESS_ID;
#endif

#ifdef CONFIG_TTY_FORCE_PANIC
  dev->panic_count = 0;
#endif

  /* If this UART is a serial console */

  if (dev->isconsole)
    {
      /* Enable signals and echo by default */

      dev->tc_lflag |= ISIG | ECHO | ICANON;

      /* Enable \n -> \r\n translation for the console */

      dev->tc_oflag = OPOST | ONLCR;

      /* Convert CR to LF by default for console */

      dev->tc_iflag |= ICRNL;

      /* Clear escape counter */

      dev->escape = 0;
    }

  /* Initialize mutex & semaphores */

  nxmutex_init(&dev->xmit.lock);
  nxmutex_init(&dev->recv.lock);
  nxmutex_init(&dev->closelock);
  nxsem_init(&dev->xmitsem, 0, 0);
  nxsem_init(&dev->recvsem, 0, 0);

#ifdef CONFIG_SERIAL_TERMIOS
  dev->timeout = 0;
  dev->minread = 1;
#endif

  /* Register the serial driver */

#ifdef CONFIG_SERIAL_GDBSTUB
  if (uart_gdbstub_register(dev, path) == 0)
    {
      /* No need register the device if it is used by gdbstub */

      return 0;
    }
#endif

  sinfo("Registering %s\n", path);