Index: firmware/App/Controllers/DGInterface.h
===================================================================
diff -u -r8afac005a36a62d8d36e58a4c46d0225b3367204 -r1cbf981dbed9d9f375c50edfef1d40819295ef2b
--- firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 8afac005a36a62d8d36e58a4c46d0225b3367204)
+++ firmware/App/Controllers/DGInterface.h	(.../DGInterface.h)	(revision 1cbf981dbed9d9f375c50edfef1d40819295ef2b)
@@ -7,8 +7,8 @@
 *
 * @file    DGInterface.h
 *
-* @author  (last)      Sean Nash
-* @date    (last)      13-Jan-2023
+* @author  (last)      Dara Navaei
+* @date    (last)      07-Mar-2023
 *
 * @author  (original)  Sean
 * @date    (original)  08-Apr-2020
@@ -90,6 +90,15 @@
     U32 flushUIState;                                                        ///< DG flush UI state
 } DG_DISINFECT_UI_STATES_T;
 
+/// HD version of the DG service record
+typedef struct
+{
+    DG_SERVICE_RECORD_T dgServiceRecord;                                     ///< HD version of the DG service record.
+    DG_USAGE_INFO_RECORD_T dgUsageInfo;                                      ///< HD version of the DG usage info.
+    BOOL isDGServiceRecordAvailable;                                         ///< Flag to indicate DG service record is available.
+    BOOL isDGUsageInfoAvailable;                                             ///< Flag to indicate DG usage info is available.
+} DG_SERVICE_AND_USAGE_DATA_T;
+
 /// Dialysate heating parameters
 typedef struct
 {
@@ -98,17 +107,9 @@
     F32 timeReservoirFillMS;                                                 ///< Reservoir fill time in milliseconds
     U32 timeReservoirWait2SwitchMS;                                          ///< Reservoir wait to switch time in milliseconds
     F32 dialysateFlowLPM;                                                    ///< Dialysate flow in L/min
+    BOOL usePriTargetTempEquation;                                           ///< Use primary heater target temperature estimation equation or not.
 } DG_CMD_DIALYSATE_HEATING_PARAMS_T;
 
-/// HD version of the DG service record
-typedef struct
-{
-    DG_SERVICE_RECORD_T dgServiceRecord;                                     ///< HD version of the DG service record.
-    DG_USAGE_INFO_RECORD_T dgUsageInfo;                                      ///< HD version of the DG usage info.
-    BOOL isDGServiceRecordAvailable;                                         ///< Flag to indicate DG service record is available.
-    BOOL isDGUsageInfoAvailable;                                             ///< Flag to indicate DG usage info is available.
-} DG_SERVICE_AND_USAGE_DATA_T;
-
 // ********** public function prototypes **********
 
 void initDGInterface( void );