Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rf5b02f03b6695c0c76fd8a4d902a13114e1a8aca -rbbf1e3736be03a4f041ace57e0f95e23caf472dd
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision f5b02f03b6695c0c76fd8a4d902a13114e1a8aca)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision bbf1e3736be03a4f041ace57e0f95e23caf472dd)
@@ -48,7 +48,7 @@
 BOOL broadcastROPumpData( U32 tgtPressure, F32 measFlow, F32 setPWM );
 
 // MSG_ID_DRAIN_PUMP_DATA
-BOOL broadcastDrainPumpData( U32 tgtSpeed, F32 setPWM );
+BOOL broadcastDrainPumpData( U32 tgtSpeed, U32 dac );
 
 // MSG_ID_DG_PRESSURES_DATA
 BOOL broadcastPressureSensorsData( F32 measROIn, F32 measROOut, F32 measDrainIn, F32 measDrainOut );
@@ -80,6 +80,9 @@
 // MSG_ID_DG_SAMPLE_WATER_CMD
 void handleSampleWaterCmd( MESSAGE_T *message );
 
+// MSG_ID_DG_START_STOP_TRIMMER_HEATER_CMD
+void handleStartStopTrimmerHeaterCmd( MESSAGE_T *message );
+
 // *********** public test support message functions **********
 
 #ifdef DEBUG_ENABLED