Index: DGDefs.h
===================================================================
diff -u -rd3f89a836ece4a21be2b9abfb244adfc4290357b -r3a8be92b72adc11e5b5045bf8921446d2d5e8e8a
--- DGDefs.h	(.../DGDefs.h)	(revision d3f89a836ece4a21be2b9abfb244adfc4290357b)
+++ DGDefs.h	(.../DGDefs.h)	(revision 3a8be92b72adc11e5b5045bf8921446d2d5e8e8a)
@@ -276,7 +276,47 @@
     NUM_OF_DG_COMMANDS                  ///< Number of DG commands
 };
 typedef enum DG_Command DG_COMMAND_T;   ///< Type for DG commands enumeration
+
+/**@}*/
+
+/**
+ *  @addtogroup Reservoirs
+ *  @{
+ */
+
+/// Enumeration of DG reservoirs.
+typedef enum DG_Reservoirs
+{
+    DG_RESERVOIR_1 = 0,        ///< Reservoir number 1
+    DG_RESERVOIR_2,            ///< Reservoir number 2
+    NUM_OF_DG_RESERVOIRS          ///< Number of reservoirs
+} DG_RESERVOIR_ID_T;
+
+/// Enumeration of DG valve settings.
+typedef enum DG_Valve_Setting
+{
+    DG_VALVE_SETTING_R1_TO_R2 = 0,         ///< Valve setting for displacement from reservoir 1 to reservoir 2
+    DG_VALVE_SETTING_R2_TO_R1,             ///< Valve setting for displacement from reservoir 2 to reservoir 1
+    NUM_OF_DG_VALVE_SETTTINGS              ///< Number of valve settings
+} DG_VALVE_SETTING_ID_T;
+
+/**@}*/
+
+/**
+ *  @addtogroup LoadCells
+ *  @{
+ */
+
+/// Enumeration of DG load cell sensors.
+typedef enum Load_Cells
+{
+    LOAD_CELL_RESERVOIR_1_PRIMARY = 0,              ///< Primary load cell for reservoir 1.
+    LOAD_CELL_RESERVOIR_1_BACKUP,                   ///< Backup load cell for reservoir 1.
+    LOAD_CELL_RESERVOIR_2_PRIMARY,                  ///< Primary load cell for reservoir 2.
+    LOAD_CELL_RESERVOIR_2_BACKUP,                   ///< Backup load cell for reservoir 2.
+    NUM_OF_LOAD_CELLS                               ///< Number of load cell sensors.
+} LOAD_CELL_ID_T;
+
+/**@}*/
 
-/**@}*/
-
 #endif