Index: firmware/App/Controllers/DGInterface.c
===================================================================
diff -u -ra06953d0fc210dd9157388c27120e2225c898a37 -rb21d331f7b18cb2a1dacad78bd1049b31152f029
--- firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision a06953d0fc210dd9157388c27120e2225c898a37)
+++ firmware/App/Controllers/DGInterface.c	(.../DGInterface.c)	(revision b21d331f7b18cb2a1dacad78bd1049b31152f029)
@@ -65,15 +65,15 @@
 static BOOL dgTrimmerHeaterOn;                                              ///< Flag indicates whether we have commanded the DG to start or stop the trimmer heater.
 
 // State machine states
-static U32 timeStartMS = 0; // TODO is this needed?
-
-// DG sensor data
-static F32 dgDialysateTemp;                                     ///< Dialysate temperature reported by the DG.
-static F32 dgRedundantDialysateTemp = 0.0;                      ///< Redundant dialysate temperature reported by the DG.
-static F32 dgPrimaryTemp = 0.0;                                 ///< Latest RO water temperature reported by the DG.
-static F32 dgTrimmerTempSet;                                    ///< Trimmer heater target temperature commanded.
-static F32 dgTrimmerTemp = 0.0;                                 ///< Latest dialysate temperature reported by the DG.
-
+static U32 timeStartMS = 0; // TODO is this needed?
+
+// DG sensor data
+static F32 dgDialysateTemp = 0.0;                               ///< Dialysate temperature reported by the DG.
+static F32 dgRedundantDialysateTemp = 0.0;                      ///< Redundant dialysate temperature reported by the DG.
+static F32 dgPrimaryTemp = 0.0;                                 ///< Latest RO water temperature reported by the DG.
+static F32 dgTrimmerTempSet = 0.0;                              ///< Trimmer heater target temperature commanded.
+static F32 dgTrimmerTemp = 0.0;                                 ///< Latest dialysate temperature reported by the DG.
+
 /// Measured weight from load cells.
 static OVERRIDE_F32_T loadCellWeightInGrams[ NUM_OF_LOAD_CELLS ];
 /// Filtered (32 sample) weight of reservoirs.
@@ -223,8 +223,10 @@
  * @brief
  * The execDGInterfaceMonitor function executes the DG Interface monitoring
  * function.  Ensures DG is sending fresh data in a timely manner.
- * @details Inputs: TBD
- * @details Outputs: TBD
+ * @details Inputs: dgLoadCellDataFreshFlag, dgDialysateTemperatureDataFreshFlag,
+ * dgReservoirsDataFreshFlag, dgOpModeDataFreshFlag
+ * @details Outputs: dgLoadCellDataFreshFlag, dgDialysateTemperatureDataFreshFlag,
+ * dgReservoirsDataFreshFlag, dgOpModeDataFreshFlag
  * @return none
  *************************************************************************/
 void execDGInterfaceMonitor( void )