Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r9bc5e72e777b0bf72807428e40450705b1eef321 -r4179eaf9c16e3607ce8abd961f154c2aaab2dffd
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 9bc5e72e777b0bf72807428e40450705b1eef321)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 4179eaf9c16e3607ce8abd961f154c2aaab2dffd)
@@ -105,7 +105,7 @@
 void handleTreatmentParametersFromUI( MESSAGE_T *message );
 
 // MSG_ID_HD_NEW_TREATMENT_PARAMS_RESPONSE
-BOOL sendTreatmentParametersResponseMsg( BOOL rejected, U08 *rejectReasons, U32 byteLength );
+BOOL sendTreatmentParametersResponseMsg( BOOL accepted, U08 *rejectReasons, U32 byteLength );
 
 // MSG_ID_UI_SET_UF_VOLUME_PARAMETER
 void handleUFVolumeSetRequest( MESSAGE_T *message );
@@ -164,6 +164,12 @@
 // MSG_ID_HD_PRESSURE_LIMITS_CHANGE_RESPONSE
 BOOL sendPressureLimitsChangeResponse( PRESSURE_LIMIT_CHANGE_RESPONSE_T *data );
 
+// MSG_ID_UI_HEPARIN_PAUSE_RESUME_REQUEST
+void handleHeparinCommandRequest( MESSAGE_T *message );
+
+// MSG_ID_HD_HEPARIN_PAUSE_RESUME_RESPONSE
+BOOL sendHeparinCommandResponse( U32 accepted, U32 rejReason, U32 heparinDeliveryState );
+
 // MSG_ID_UI_RINSEBACK_CMD
 void handlRinsebackCmd( MESSAGE_T *message );
 
@@ -284,6 +290,9 @@
 
 // MSG_ID_HD_SYRINGE_PUMP_DATA
 BOOL broadcastSyringePumpData( SYRINGE_PUMP_DATA_PAYLOAD_T data );
+
+// MSG_ID_HD_HEPARIN_DATA_BROADCAST
+BOOL broadcastHeparinData( F32 volume );
 
 // MSG_ID_PRESSURE_OCCLUSION_DATA
 BOOL broadcastPresOcclData( PRESSURE_OCCLUSION_DATA_T data );