/* DESC: This script will write to and read from the serial port.
 * Copyright (C) 2012 NetModule AG, Switzerland
 */

DEV = "SERIAL1";

/* check serial port config */
st = nb_config_get("serial.0.status");
if (st != "2") {
    printf("Serial port is not enabled for us\n");
    exit(1);
}

/* set attributes first */
ret = nb_serial_setattr(DEV, 115200, 8, 1, 0, 0);
if (ret != 0) {
    printf("Could not set serial attributes\n");
    exit(1);
}


if (nb_serial_write(DEV, "hello world\n") == -1) {
    printf("Could not write to serial port\n");
}


while (1) {
    msg = nb_serial_read(DEV);
    if (msg) {
        printf("read: %s\n", msg);
    } else {
        sleep(1);
    }
}

exit(0);