Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r5c2e890457bce1c56779ad025cf2636a7b4449bf -r9b6d9a0db373b39c3d04dd07516fde59b292bbc5
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 5c2e890457bce1c56779ad025cf2636a7b4449bf)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 9b6d9a0db373b39c3d04dd07516fde59b292bbc5)
@@ -7,8 +7,8 @@
 *
 * @file    SystemCommMessages.h
 *
-* @author  (last)      Dara Navaei
-* @date    (last)      14-May-2023
+* @author  (last)      Michael Garthwaite
+* @date    (last)      15-Aug-2023
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -372,9 +372,15 @@
 // MSG_ID_UI_RECIRC_CMD
 void handleTreatmentRecircCmd( MESSAGE_T *message );
 
+// MSG_ID_UI_POST_TX_NEXT_REQUEST
+void handlePostTxNextCmd( MESSAGE_T *message );
+
 // MSG_ID_HD_RECIRC_CMD_RESPONSE
 BOOL sendTreatmentRecircCmdResponse( BOOL accepted, U32 rejReason );
 
+// MSG_ID_HD_POST_TX_NEXT_CMD_RESPONSE
+BOOL sendPostTxNextCmdResponse( BOOL accepted, U32 rejReason );
+
 // MSG_ID_UI_TX_END_CMD:
 void handleTreatmentEndCmd( MESSAGE_T *message );
 
@@ -467,14 +473,17 @@
 // MSG_ID_DG_START_STOP_FLUSH
 BOOL sendDGStartFlushModeCommand( BOOL start );
 
+// MSG_ID_DG_PARK_CONCENTRATE_PUMPS
+BOOL sendDGParkConcentratePumpsCommand( void );
+
 // MSG_ID_DG_START_STOP_HEAT_DISINFECT
 BOOL sendDGStartHeatDisinfectModeCommand( BOOL start );
 
 // MSG_ID_DG_START_STOP_CHEM_DISINFECT
 BOOL sendDGStartChemicalDisinfectModeCommand( BOOL start );
 
 // MSG_ID_DG_START_STOP_CHEM_DISINFECT_FLUSH
-BOOL sendDGStartChemicalDisinfectFlushModeCommand( BOOL start );
+BOOL sendDGStartStopChemicalDisinfectFlushModeCommand( BOOL start );
 
 // MSG_ID_HD_RESPONSE_SERVICE_MODE_REQUEST
 void sendUIServiceModeResponse( BOOL accepted, U32 rejCode );
@@ -547,6 +556,18 @@
 // MSG_ID_HD_SEND_CHEM_FLUSH_SAMPLE_PASS_FAIL_TO_DG
 void handleSendChemFlushPassFailToDG( U32 status );
 
+// MSG_ID_DG_START_STOP_HEAT_DISINFECT_ACTIVE_COOL
+BOOL sendDGStopActiveCoolModeCommand( void );
+
+// MSG_ID_DG_START_STOP_RO_PERMEATE_SAMPLE_MODE_CMD_REQUEST
+BOOL sendDGStartStopDGROPermeateSampleModeCommand( BOOL start );
+
+// MSG_ID_HD_SEND_RO_PERMEATE_SAMPLE_DISPENSE_REQUEST
+BOOL sendRequestROPermeateSampleCollectionToDG( U32 status );
+
+// MSG_ID_DG_SEND_RO_PERMEATE_SAMPLE_DISPENSE_READY_TO_HD
+void handleReceiveROPermeateSampleReadyToDispenseFromDG( MESSAGE_T* message );
+
 // *********** public test support message functions **********
 
 // MSG_TESTER_LOG_IN
@@ -986,6 +1007,12 @@
 // MSG_ID_HD_SET_TEST_CONFIGURATION
 void handleTestHDSetTestConfig( MESSAGE_T *message );
 
+// MSG_ID_HD_SIGNAL_RECOVER_FROM_FAULT_MODE
+void handleTestHDSetRecoverFromFaultModeSignal( MESSAGE_T* message );
+
+// MSG_ID_HD_RAM_STATUS_OVERRIDE
+void handleTestHDRAMStatusOverrideRequest( MESSAGE_T* message );
+
 /**@}*/
 
 #endif