Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -r9b6d9a0db373b39c3d04dd07516fde59b292bbc5 -r23fd84a12113578bb1d86fdfbc86701494a35cf1
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 9b6d9a0db373b39c3d04dd07516fde59b292bbc5)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision 23fd84a12113578bb1d86fdfbc86701494a35cf1)
@@ -8,7 +8,7 @@
 * @file    DGInterface.c
 *
 * @author  (last)      Sean Nash
-* @date    (last)      14-Aug-2023
+* @date    (last)      24-Aug-2023
 *
 * @author  (original)  Sean
 * @date    (original)  08-Apr-2020
@@ -99,11 +99,6 @@
 static DG_RESERVOIR_ID_T dgActiveReservoir;                                 ///< Latest active reservoir reported by the DG.
 static DG_RESERVOIR_ID_T dgActiveReservoirSet;                              ///< Active reservoir commanded.
 
-static U32 dgReservoirFillVolumeTarget = 0;                                 ///< Latest fill-to volume reported by the DG.
-static U32 dgReservoirFillVolumeTargetSet = 0;                              ///< Fill-to volume commanded.
-static U32 dgReservoirDrainVolumeTarget = 0;                                ///< Latest drain-to volume reported by the DG.
-static U32 dgReservoirDrainVolumeTargetSet = 0;                             ///< Drain-to volume commanded.
-
 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.
@@ -134,10 +129,8 @@
     dgTrimmerHeaterOn               = FALSE;
     dgTrimmerTempSet                = 0.0F;
     dgTrimmerTempCheckTimerCtr      = 0;
-    dgActiveReservoirSet            = DG_RESERVOIR_1;
-    dgActiveReservoir               = DG_RESERVOIR_1;
-    dgReservoirFillVolumeTargetSet  = 0;
-    dgReservoirDrainVolumeTargetSet = 0;
+    dgActiveReservoirSet            = DG_RESERVOIR_2;
+    dgActiveReservoir               = DG_RESERVOIR_2;
     dgDialysateTemp                 = 0.0F;
     dgCurrentOpMode                 = DG_MODE_INIT;
     dgSubMode                       = 0;
@@ -469,7 +462,7 @@
  * The getDialysateTemperature function gets the latest dialysate temperature.
  * @details Inputs: dgDialysateTemp
  * @details Outputs: none
- * @return the current dialysate temperature
+ * @return the latest dialysate temperature
  *************************************************************************/
 F32 getDialysateTemperature( void )
 {
@@ -478,6 +471,19 @@
 
 /*********************************************************************//**
  * @brief
+ * The getRedundantDialysateTemperature function gets the latest redundant
+ * dialysate temperature.
+ * @details Inputs: dgRedundantDialysateTemp
+ * @details Outputs: none
+ * @return the latest redundant dialysate temperature
+ *************************************************************************/
+F32 getRedundantDialysateTemperature( void )
+{
+    return dgRedundantDialysateTemp;
+}
+
+/*********************************************************************//**
+ * @brief
  * The getHeatDisinfectTemperatureSensorValue function gets the latest
  * heat disinfect temperature sensor value.
  * @details Inputs: dgDialysateTemp
@@ -505,7 +511,7 @@
 /*********************************************************************//**
  * @brief
  * The getDGDisinfectsStates function returns the DG disinfects readings.
- * @details Inputs: none
+ * @details Inputs: disinfectsStatus
  * @details Outputs: none
  * @return the current DG disinfects readings
  *************************************************************************/
@@ -518,7 +524,7 @@
  * @brief
  * The getDGMixingRatios function returns the DG mixing ratios and the fill
  * prep time.
- * @details Inputs: none
+ * @details Inputs: dgMixingRatios
  * @details Outputs: none
  * @return getDGMixingRatios which is the DG mixing ratios
  *************************************************************************/
@@ -598,8 +604,7 @@
  * The setDGReservoirsData function sets the latest reservoir data
  * reported by the DG.
  * @details Inputs: none
- * @details Outputs: dgActiveReservoir, dgReservoirFillVolumeTarget,
- * dgReservoirDrainVolumeTarget, dgReservoirsDataFreshFlag
+ * @details Outputs: dgActiveReservoir, dgReservoirsDataFreshFlag
  * @param resID ID of active reservoir
  * @param fillVol Reservoir fill to volume reported by DG
  * @param drainVol Reservoir drain to volume reported by DG
@@ -610,8 +615,6 @@
     if ( resID < NUM_OF_DG_RESERVOIRS )
     {
         dgActiveReservoir = resID;
-        dgReservoirFillVolumeTarget = fillVol;
-        dgReservoirDrainVolumeTarget = drainVol;
     }
     else
     {
@@ -909,7 +912,6 @@
 void cmdStartDGFill( U32 fillToVolMl, F32 targetFlowLPM )
 {
     dgCmdResp[ DG_CMD_START_FILL ].commandID = DG_CMD_NONE;
-    dgReservoirFillVolumeTargetSet = fillToVolMl;
 
     sendDGFillCommand( DG_CMD_START, fillToVolMl, targetFlowLPM );
 }
@@ -924,7 +926,6 @@
 void cmdStopDGFill( void )
 {
     dgCmdResp[ DG_CMD_STOP_FILL ].commandID = DG_CMD_NONE;
-    dgReservoirFillVolumeTargetSet = 0;
 
     sendDGFillCommand( DG_CMD_STOP, 0, 0 );
 }
@@ -948,7 +949,6 @@
     payload.tareLoadCells                     = tareLoadCell;
     payload.rinseConcentrateLines             = rinse;
     payload.cmd                               = start;
-    dgReservoirDrainVolumeTargetSet           = drainToVolMl;
 
     sendDGDrainCommand( &payload );
 }