Index: firmware/App/Drivers/EjectorMotor.h
===================================================================
diff -u -rcf22584fb68bb29311d81d1e5ad79f8cf064b8fb -r90d8280a50cfd45f7e7d64c07dbe1831dad32a1d
--- firmware/App/Drivers/EjectorMotor.h	(.../EjectorMotor.h)	(revision cf22584fb68bb29311d81d1e5ad79f8cf064b8fb)
+++ firmware/App/Drivers/EjectorMotor.h	(.../EjectorMotor.h)	(revision 90d8280a50cfd45f7e7d64c07dbe1831dad32a1d)
@@ -36,9 +36,9 @@
 /// Enumeration of the ejector optical sensor
 typedef enum
 {
-    EJECTOR_OPT_SENSOR_RETRACT = 0,
-    EJECTOR_OPT_SENSOR_ENGAGE,
-    NUM_OF_EJECTOR_OPT_SENSORS
+    EJECTOR_OPT_SENSOR_RETRACT = 0,                 ///< Ejector optical sensor retract.
+    EJECTOR_OPT_SENSOR_ENGAGE,                      ///< Ejector optical sensor engage.
+    NUM_OF_EJECTOR_OPT_SENSORS                      ///< Num of ejector optical sensors.
 } EJECTOR_OPT_SENSOR_T;
 
 // ********** public function prototypes **********