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+====== SDK Script serial-write.are ======
+<code c serial-write.are>
+/* DESC: This script can be used to write a message to the serial port.
+ * Copyright (C) 2012 NetModule AG, Switzerland
+ */
+void usage()
+{
+    printf("usage: serial-write.are <msg>\n");
+    exit(1);
+}
+if (argc < 2) {
+    usage();
+}
+DEV = "SERIAL1";
+MSG = argv[1];
+/* 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);
+}
+ret = nb_serial_setattr(DEV, 115200, 8, 1, 0, 0);
+if (ret != 0) {
+    printf("Could not set serial attributes: %i \n",ret);
+    exit(1);
+}
+fd = nb_serial_open(DEV);
+if (fd < 0) {
+    printf("Unable to open %s\n", DEV);
+    exit(1);
+}
+message = strcat(MSG, "\r\n");
+ret = write(fd, message, strlen(message));
+if (ret> 0) {
+    printf("Wrote %d bytes to %s\n", ret, DEV);
+} else {
+    printf("Unable to write to %s\n", DEV);
+}
+close(fd);
+exit(0);
+</code>