Index: firmware/App/Modes/TreatmentEnd.c
===================================================================
diff -u -r346e74cbf78fdf1ea7cd779103476e49c4ee190e -r37ff579592dd1113ed4813e9fe561f8d77a114d0
--- firmware/App/Modes/TreatmentEnd.c	(.../TreatmentEnd.c)	(revision 346e74cbf78fdf1ea7cd779103476e49c4ee190e)
+++ firmware/App/Modes/TreatmentEnd.c	(.../TreatmentEnd.c)	(revision 37ff579592dd1113ed4813e9fe561f8d77a114d0)
@@ -24,6 +24,7 @@
 #include "SystemCommMessages.h"
 #include "TaskGeneral.h"
 #include "TreatmentEnd.h"
+#include "TreatmentStop.h"
 #include "Valves.h"
 
 /**
@@ -33,6 +34,8 @@
 
 // ********** private definitiions ***********
 
+/// Interval at which treatment end progress is to be published to UI.
+#define TREATMENT_END_DATA_PUBLISH_INTERVAL  ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
 /// Target flow rate for blood while waiting for user to initiate final rinseback.
 #define TX_END_BP_FLOW_RATE_ML_MIN         100
 
@@ -51,13 +54,15 @@
 static BOOL txEndAlarmEndTreatmentRequested;                                ///< Flag indicates user requesting end treatment from alarm.
 static BOOL txEndRinsebackRequested;                                        ///< Flag indicates user requesting final rinseback.
 static BOOL txEndDrainCmdSent;                                              ///< Flag indicates DG Drain command has been sent.
+static U32  treatmentEndPublishTimerCtr;                                    ///< Timer counter for determining interval for treatment end status to be published.
 
 // ********** private function prototypes **********
 
 static void resetTreatmentEndFlags( void );
 
 static void setupForTxEndWait4RinsebackState( void );
 static void setupForTxEndPausedState( void );
+static void publishTreatmentEndData( void );
 
 static TREATMENT_END_STATE_T handleTxEndWait4RinsebackState( void );
 static TREATMENT_END_STATE_T handleTxEndPausedState( void );
@@ -77,6 +82,7 @@
     treatmentEndState = TREATMENT_END_WAIT_FOR_RINSEBACK_STATE;
     txEndTimerCtr = 0;
     bloodSittingTimerCtr = 0;
+    treatmentEndPublishTimerCtr = 0;
     txEndDrainCmdSent = FALSE;
     resetTreatmentEndFlags();
 }
@@ -209,6 +215,8 @@
         setCurrentSubState( (U32)treatmentEndState );
         SEND_EVENT_WITH_2_U32_DATA( HD_EVENT_SUB_STATE_CHANGE, priorSubState, treatmentEndState );
     }
+    publishTreatmentEndData();
+
     // Re-circulate flags should be handled by now - reset in case not handled by current state
     resetTreatmentEndFlags();
 }
@@ -439,4 +447,31 @@
     return treatmentEndState;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The publishTreatmentEndData function publishes Treatment End progress to UI
+ * at 1 Hz interval.
+ * @details Inputs: treatmentEndPublishTimerCtr
+ * @details Outputs: Treatment end data published
+ * @return none
+ *************************************************************************/
+static void publishTreatmentEndData( void )
+{
+    if ( ++treatmentEndPublishTimerCtr >= TREATMENT_END_DATA_PUBLISH_INTERVAL )
+    {
+        TREATMENT_STOP_PAYLOAD_T data;
+
+        data.timeout   = 0;
+        data.countdown = 0;
+
+        // update blood sitting timer if active
+        if ( bloodSittingTimerCtr > 0 )
+        {
+            data.timeout   = MAX_TIME_BLOOD_SITTING / ( MS_PER_SECOND / TASK_GENERAL_INTERVAL );
+            data.countdown = ( bloodSittingTimerCtr >= MAX_TIME_BLOOD_SITTING ? 0 : ( MAX_TIME_BLOOD_SITTING - bloodSittingTimerCtr ) / ( MS_PER_SECOND / TASK_GENERAL_INTERVAL ) );
+        }
+        broadcastData( MSG_ID_HD_TREATMENT_STOP_TIMER_DATA, COMM_BUFFER_OUT_CAN_HD_BROADCAST, (U08*)&data, sizeof( TREATMENT_STOP_PAYLOAD_T ) );
+    }
+}
+
 /**@}*/