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+====== SDK Script led.are ======
+<code c led.are>
+/* DESC: This script can be used to set a LED
+ * Copyright (C) 2012 NetModule AG, Switzerland
+ */
+LED = 0; /* use first LED */
+ret = nb_led_acquire(LED);
+if (ret == -1) {
+    printf("unable to acquire led%d, retrying...\n", LED);
+    nb_led_release(LED);
+    ret = nb_led_acquire(LED);
+    if (ret == -1) {
+        printf("stil unable to acquire led%d, exiting\n", LED);
+        exit(1);
+    }
+}
+ret = nb_led_set(LED, LED_SOLID | LED_COLOR_RED);
+if (ret != -1) {
+    printf("led%d is now set to solid red\n", LED);
+    sleep(5);
+}
+ret = nb_led_set(LED, LED_OFF);
+if (ret != -1) {
+    printf("led%d is now set to off\n", LED);
+    sleep(1);
+}
+nb_led_release(LED);
+printf("led%d has been released\n", LED);
+exit(0);
+</code>