Index: firmware/App/Drivers/RotaryValve.h
===================================================================
diff -u -r0e4a62ba24d906d9e5b33b293f93405b8c0391ce -r9d11c51da60da3f8d2917433938a583f8a105318
--- firmware/App/Drivers/RotaryValve.h	(.../RotaryValve.h)	(revision 0e4a62ba24d906d9e5b33b293f93405b8c0391ce)
+++ firmware/App/Drivers/RotaryValve.h	(.../RotaryValve.h)	(revision 9d11c51da60da3f8d2917433938a583f8a105318)
@@ -35,15 +35,17 @@
 
 #define ROTARY_VALVE_MICROSTEP_FRACTION         8               ///< Rotary valve motors configured for 1/8 step microstepping.
 #define ROTARY_VALVE_GEAR_RATIO                 3.7F            ///< Rotary valve motor gear ratio is 3.7:1.
-#define ROTARY_VALVE_FULL_SWING_TRAVEL_COUNTS   1798            ///< Rotary valve swing arm travel range is appx. micro steps.
+#define ROTARY_VALVE_INIT_FULL_SWING_COUNTS     1880            ///< Rotary valve swing arm travel range is appx. micro steps.
+#define ROTARY_VALVE_ENERGIZED_EDGE_MAX_COUNTS  1900            ///< Rotary valve energized edge maximum allowed counts.
+#define ROTARY_VALVE_ENERGIZED_EDGE_MIN_COUNTS  1700            ///< Rotary valve energized edge minimum allowed counts.
 
 /// rotary pinch valve names
 typedef enum valveNames
 {
-    H1_VALV = 0,                        ///< Arterial rotary pinch valve
-    FIRST_VALVE = H1_VALV,              ///< First valve
-    H19_VALV,                           ///< Venous rotary pinch valve
-    NUM_OF_VALVES                       ///< Number of valves
+    H1_VALV = 0,                                                ///< Arterial rotary pinch valve
+    FIRST_VALVE = H1_VALV,                                      ///< First valve
+    H19_VALV,                                                   ///< Venous rotary pinch valve
+    NUM_OF_VALVES                                               ///< Number of valves
 } VALVE_T;
 
 // ********** public function prototypes **********
@@ -53,6 +55,11 @@
 void setValveCmdChangePosition( VALVE_T valve, U16 mag, MOTOR_DIR_T dir );
 S16  getValveEncoderPosition( VALVE_T valve );
 
+void resetValve( VALVE_T valve );
+void resetValveEncoder( VALVE_T valve );
+void enableValve( VALVE_T valve );
+void setValveZeroEncoderPosition( VALVE_T valve );
+
 BOOL testValveEncoderPositionOverride( MESSAGE_T *message );
 BOOL testValveStatusOverride( MESSAGE_T *message );
 BOOL testSetValve( MESSAGE_T *message );