Add get led mode.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/led/led.c

@@ -35,6 +35,10 @@ void led_set_mode(uint32_t mode) {
     led_mode = mode;
 }
 
+uint32_t led_get_mode() {
+    return led_mode;
+}
+
 void led_blinking_task() {
 #ifndef ENABLE_EMULATION
     static uint32_t start_ms = 0;

src/led/led.h

@@ -62,6 +62,7 @@ enum  {
 };
 
 extern void led_set_mode(uint32_t mode);
+extern uint32_t led_get_mode();
 extern void led_blinking_task();
 extern void led_off_all();
 extern void led_init();