diff --git a/nuttx/configs/px4fmu/include/board.h b/nuttx/configs/px4fmu/include/board.h
index 2ee616c261..3f0f26ba14 100755
--- a/nuttx/configs/px4fmu/include/board.h
+++ b/nuttx/configs/px4fmu/include/board.h
@@ -188,6 +188,18 @@
 # define HRT_TIMER_CHANNEL	1	/* use capture/compare channel */
 #endif
 
+/* LED definitions ******************************************************************/
+/* PX4 has two LEDs that we will encode as: */
+
+#define LED_STARTED       0  /* LED? */
+#define LED_HEAPALLOCATE  1  /* LED? */
+#define LED_IRQSENABLED   2  /* LED? + LED? */
+#define LED_STACKCREATED  3  /* LED? */
+#define LED_INIRQ         4  /* LED? + LED? */
+#define LED_SIGNAL        5  /* LED? + LED? */
+#define LED_ASSERTION     6  /* LED? + LED? + LED? */
+#define LED_PANIC         7  /* N/C  + N/C  + N/C + LED? */
+
 /* Alternate function pin selections ************************************************/
 
 /*