Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r4fc093ea280a0bdb47c20d25efb7c840b9f9867a -r0bce81180c0ba2b25f5d501ed6aa6b2f9a8b2500
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 4fc093ea280a0bdb47c20d25efb7c840b9f9867a)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 0bce81180c0ba2b25f5d501ed6aa6b2f9a8b2500)
@@ -23,7 +23,7 @@
 #include "DGInterface.h"
 #include "ModeInitPOST.h"
 #include "ModeTreatment.h"
-#include "ModeTreatmentParams.h"
+#include "ModeTreatmentParams.h"
 #include "OperationModes.h"
 #include "PersistentAlarm.h"
 #include "SystemCommMessages.h"
@@ -48,8 +48,8 @@
 #define DIALYSATE_TEMP_LOW_SAFETY_LIMIT_C       42.0F                       ///< Dialysate low safety temperature limit in C.
 #define DIALYSATE_TEMP_LOW_SAFETY_TIMEOUT_MS    ( 10 * MS_PER_SECOND )      ///< Dialysate temperature low safety timeout in milliseconds.
 
-// ********** private data **********
-
+// ********** private data **********
+
 // DG status
 static DG_OP_MODE_T dgCurrentOpMode;                                        ///< Current DG operation mode.
 static U32 dgSubMode;                                                       ///< Current state (sub-mode) of current DG operation mode.
@@ -97,6 +97,7 @@
 static DG_DISINFECT_UI_STATES_T disinfectsStatus;               ///< DG disinfects status.
 static DG_MIXING_RATIOS_T dgMixingRatios;                       ///< DG mixing ratios.
 static HEATERS_DATA_T dgHeatersData;                            ///< DG heaters data.
+static DG_SERVICE_AND_USAGE_DATA_T dgServiceAndUsageData;       ///< DG service and usage data.
 
 // DG command response
 static DG_CMD_RESPONSE_T dgCmdResp[ NUM_OF_DG_COMMANDS ];       ///< Keep the latest DG command response for each command.
@@ -353,6 +354,22 @@
 
 /*********************************************************************//**
  * @brief
+ * The getReservoirWeight function gets the load cell weight of a given reservoir.
+ * @details Inputs: loadCellWeightInGrams[]
+ * @details Outputs: none
+ * @param resID ID of reservoir to get weight for
+ * @return the current weight of the given reservoir in grams
+ *************************************************************************/
+F32 getReservoirWeight( DG_RESERVOIR_ID_T resID )
+{
+    LOAD_CELL_ID_T lc = ( DG_RESERVOIR_1 == resID ? LOAD_CELL_RESERVOIR_1_PRIMARY : LOAD_CELL_RESERVOIR_2_PRIMARY );
+    F32 wt = getLoadCellWeight( lc );
+
+    return wt;
+}
+
+/*********************************************************************//**
+ * @brief
  * The getReservoirBackupWeightLargeFilter function gets the backup load cell weight
  * of the given reservoir after large (32 sample) filter applied.
  * @details Inputs: lgFilteredReservoirWeightInGrams[]
@@ -411,18 +428,17 @@
 
 /*********************************************************************//**
  * @brief
- * The getReservoirWeight function gets the load cell weight of a given reservoir.
- * @details Inputs: loadCellWeightInGrams[]
+ * The getHDVersionDGServiceAndUsageData function copies the HD version of
+ * the DG service and usage data into the provided buffer.
+ * @details Inputs: dgServiceAndUsageData
  * @details Outputs: none
- * @param resID ID of reservoir to get weight for
- * @return the current weight of the given reservoir in grams
+ * @param data which is a pointer of type DG_SERVICE_AND_USAGE_DATA_T that
+ * is the provided buffer
+ * @return none
  *************************************************************************/
-F32 getReservoirWeight( DG_RESERVOIR_ID_T resID )
+void getHDVersionDGServiceAndUsageData( DG_SERVICE_AND_USAGE_DATA_T* data )
 {
-    LOAD_CELL_ID_T lc = ( DG_RESERVOIR_1 == resID ? LOAD_CELL_RESERVOIR_1_PRIMARY : LOAD_CELL_RESERVOIR_2_PRIMARY );
-    F32 wt = getLoadCellWeight( lc );
-
-    return wt;
+    memcpy( data, &dgServiceAndUsageData, sizeof( DG_SERVICE_AND_USAGE_DATA_T ) );
 }
 
 /*********************************************************************//**
@@ -597,6 +613,38 @@
     memcpy( &dgHeatersData, data, sizeof( HEATERS_DATA_T ) );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The setHDVersionDGServiceRecord function sets the HD version of the DG
+ * service record.
+ * @details Inputs: none
+ * @details Outputs: dgServiceAndUsageData
+ * @param data which is a pointer to the received HD version of the DG service
+ * record
+ * @return none
+ *************************************************************************/
+void setHDVersionDGServiceRecord( HD_VERSION_DG_SERVICE_RECORD_T* data )
+{
+    dgServiceAndUsageData.isDGServiceRecordAvailable = TRUE;
+    memcpy( &dgServiceAndUsageData.dgServiceRecord, data, sizeof( HD_VERSION_DG_SERVICE_RECORD_T ) );
+}
+
+/*********************************************************************//**
+ * @brief
+ * The setHDVersionDGUsageInfo function sets the HD version of the DG
+ * usage information.
+ * @details Inputs: none
+ * @details Outputs: dgServiceAndUsageData
+ * @param data which is a pointer to the received HD version of the DG usage
+ * info
+ * @return none
+ *************************************************************************/
+void setHDVersionDGUsageInfo( HD_VERSION_DG_USAGE_INFO_T* data )
+{
+    dgServiceAndUsageData.isDGUsageInfoAviable = TRUE;
+    memcpy( &dgServiceAndUsageData.dgUsageInfo, data, sizeof( HD_VERSION_DG_USAGE_INFO_T ) );
+}
+
 /*********************************************************************//**
  * @brief
  * The cmdSetDGDialysateHeatingParams function sends the dialysate heating