Index: firmware/App/Services/Reservoirs.h
===================================================================
diff -u -r1aeab08c1baf6445514b81fe51fc60a3e536e782 -reeb4e9c7c8ca2bc41168353c3d30f311080972b2
--- firmware/App/Services/Reservoirs.h	(.../Reservoirs.h)	(revision 1aeab08c1baf6445514b81fe51fc60a3e536e782)
+++ firmware/App/Services/Reservoirs.h	(.../Reservoirs.h)	(revision eeb4e9c7c8ca2bc41168353c3d30f311080972b2)
@@ -33,43 +33,60 @@
 // ********** public definitions **********
 
 #define MAX_RESERVOIR_VOLUME_ML         2000            ///< Maximum reservoir volume in mL.
+#define RESERVOIR_EXTRA_TEMPERATURE     2.0             ///< Reservoirs extra margin temperature.
 
-#pragma pack(push,1)
-
 /// Fill command data structure.
 typedef struct
 {
-    U32 fillToVolumeMl;         ///< Target volume to fill to (in mL)
-    U32 cmd;                    ///< General command (start/stop)
+    U32 fillToVolumeMl;                                 ///< Target volume to fill to (in mL)
+    U32 cmd;                                            ///< General command (start/stop)
+    F32 targetFlowLPM;                                  ///< Target flow rate L/min
 } FILL_CMD_T;
 
 /// Drain command data structure.
 typedef struct
 {
-    U32 targetVolume;               ///< Target volume to drain to (in mL)
-    BOOL tareLoadCell;              ///< Flag to tare load call
-    BOOL rinseConcentrateLines;     ///< Flag indicates to rinse concentrate lines or not
-    U32 cmd;                        ///< General command (start/stop)
+    U32  targetVolume;                                  ///< Target volume to drain to (in mL)
+    BOOL tareLoadCell;                                  ///< Flag to tare load call
+    BOOL rinseConcentrateLines;                         ///< Flag indicates to rinse concentrate lines or not
+    U32  cmd;                                           ///< General command (start/stop)
 } DRAIN_CMD_T;
 
 /// DG command response data record.
 typedef struct
 {
-    U32 commandID;              ///< The command DG is responding to
-    BOOL rejected;              ///< Flag indicates if the command has been rejected
-    U32 rejectCode;             ///< Reason code for rejecting the command
+    U32 commandID;                                      ///< The command DG is responding to
+    BOOL rejected;                                      ///< Flag indicates if the command has been rejected
+    U32 rejectCode;                                     ///< Reason code for rejecting the command
 } DG_CMD_RESPONSE_T;
 
+/// Dialysate heating parameters
+typedef struct
+{
+    F32 trimmerTargetTemperature;                       ///< Trimmer Target temperature
+    U32 timeReservoirCycleMS;                           ///< Reservoir cycle time in milliseconds
+    F32 timeReservoirFillMS;                            ///< Reservoir fill time in milliseconds
+    U32 timeReservoirWait2SwitchMS;                     ///< Wait to switch active reservoir time in milliseconds
+    F32 dialysateFlowLPM;                               ///< Dialysate flow rate in L/min
+} DG_CMD_DIALYSATE_HEATING_PARAMS_T;
+
 /// Reservoir data struct.
 typedef struct
 {
-    U32 activeReservoir;        ///< Active reservoir ID
-    U32 fillToVolumeMl;         ///< Volume target to fill to
-    U32 drainToVolumeMl;        ///< Volume target to drain to
+    U32 activeReservoir;                                ///< Active reservoir ID
+    U32 fillToVolumeMl;                                 ///< Volume target to fill to
+    U32 drainToVolumeMl;                                ///< Volume target to drain to
+    U32 timeReservoirCycleMS;                           ///< Reservoir cycle time in milliseconds
+    U32 timeReservoirFill2SwitchMS;                     ///< Reservoir fill to switch time in milliseconds
+    F32 timeUFDecayMS;                                  ///< Ultrafilter temperature decay time in milliseconds
+    F32 tempUFFill;                                     ///< Ultrafilter fill time in milliseconds
+    F32 tempReservoirUseActual;                         ///< Reservoir actual temperature
+    F32 tempReservoirEndFill;                           ///< Reservoir end fill temperature
+    F32 tempAvgFill;                                    ///< Average fill temperature
+    F32 tempLastFill;                                   ///< Last fill temperature
+    F32 timereservoirFill;                              ///< Reservoir fill time in milliseconds
 } RESERVOIR_DATA_T;
 
-#pragma pack(pop)
-
 // ********** public function prototypes **********
 
 void initReservoirs( void );
@@ -79,7 +96,7 @@
 
 void setActiveReservoirCmd( DG_RESERVOIR_ID_T resID );              // handle switch reservoirs command from HD
 void changeValveSettingCmd( DG_VALVE_SETTING_ID_T valveSettingID ); // handle valve setting change command from HD
-void startFillCmd( U32 fillToVolMl );                               // handle fill command from HD
+void startFillCmd( U32 fillToVolMl, F32 fillTargetFlowLPM );        // handle fill command from HD
 void stopFillCmd( void );                                           // handle stop fill command from HD
 void startDrainCmd( DRAIN_CMD_T drainCmd );                         // handle drain command from HD
 void stopDrainCmd( void );                                          // handle stop drain command from HD
@@ -88,8 +105,15 @@
 void resetReservoirsLowestWeight( void );
 
 DG_RESERVOIR_ID_T getInactiveReservoir( void );
-F32 getReservoirWeight( DG_RESERVOIR_ID_T reservoirId );
+F32  getReservoirWeight( DG_RESERVOIR_ID_T reservoirId );
 
+void setDialysateHeatingParameters( DG_CMD_DIALYSATE_HEATING_PARAMS_T params );
+U32  getTargetFillVolumeML( void );
+F32  getTargetFillFlowRateLPM( void );
+F32  getReservoirActualTemperature( void );
+F32  getPrimaryHeaterTargetTemperature( void );
+F32  getTargetDialysateFlowLPM( void );
+
 DG_RESERVOIR_VOLUME_RECORD_T getReservoirsCalRecord( void );
 
 BOOL hasTargetFillVolumeBeenReached( DG_RESERVOIR_ID_T reservoirId );