Index: firmware/App/Common.h
===================================================================
diff -u -reff7b1575f008f81b29ef906f6346fac6012d3ab -r40bcef6aa65af6c93ce937c6c4aa2de13e8a78d3
--- firmware/App/Common.h	(.../Common.h)	(revision eff7b1575f008f81b29ef906f6346fac6012d3ab)
+++ firmware/App/Common.h	(.../Common.h)	(revision 40bcef6aa65af6c93ce937c6c4aa2de13e8a78d3)
@@ -62,6 +62,13 @@
     NUM_OF_OPN_CLS_STATES
 } OPN_CLS_STATE_T;
 
+typedef enum Motor_Directions
+{
+    MOTOR_DIR_FORWARD = 0,
+    MOTOR_DIR_REVERSE,
+    NUM_OF_MOTOR_DIRECTIONS
+} MOTOR_DIR_T;
+
 // **** Common Definitions ****
 
 #define NEARLY_ZERO                     0.00001