Index: firmware/App/Controllers/ROPump.h
===================================================================
diff -u -r8d272582cbd2cb5fc0c6af0fead2867ce02658b0 -r1cf11f4c1f6a1f1fd40270889723fbec040fc7ec
--- firmware/App/Controllers/ROPump.h	(.../ROPump.h)	(revision 8d272582cbd2cb5fc0c6af0fead2867ce02658b0)
+++ firmware/App/Controllers/ROPump.h	(.../ROPump.h)	(revision 1cf11f4c1f6a1f1fd40270889723fbec040fc7ec)
@@ -40,6 +40,16 @@
 #define ROP_FLOW_TO_PWM(flow)                       ( ROP_FLOW_TO_PWM_SLOPE * flow + ROP_FLOW_TO_PWM_INTERCEPT )             ///< PWM line equation for flow.
 #define ROP_PRESSURE_TO_PWM(pres)                   ( ROP_PRESSURE_TO_PWM_SLOPE * pres + ROP_PRESSURE_TO_PWM_INTERCEPT )     ///< PWM line equation for pressure.
 
+/// Enumeration of RO pump states.
+typedef enum ROPump_States
+{
+   RO_PUMP_OFF_STATE = 0,                                                                           ///< RO pump off state.
+   RO_PUMP_CONTROL_TO_TARGET_FLOW_STATE,                                                            ///< RO pump control to target flow state.
+   RO_PUMP_CONTROL_TO_TARGET_PRESSURE_STATE,                                                        ///< RO pump control to max pressure state.
+   RO_PUMP_OPEN_LOOP_STATE,                                                                         ///< RO pump open loop state.
+   NUM_OF_RO_PUMP_STATES                                                                            ///< Number of RO pump states.
+} RO_PUMP_STATE_T;
+
 /// RO pump data record.
 typedef struct
 {
@@ -73,6 +83,7 @@
 BOOL testROPumpDataPublishIntervalOverride( MESSAGE_T *message );
 BOOL testROPumpTargetPressureOverride( MESSAGE_T *message );
 BOOL testROPumpTargetFlowOverride( MESSAGE_T *message );
+BOOL testROPumpTargetDutyCycleOverride( MESSAGE_T *message );
 
 /**@}*/