Index: firmware/App/Modes/ModeDrain.h
===================================================================
diff -u -r6499ea25921fcf67826fa0c35bb03caf411ba542 -r729561329c224146d94b91bce5992cddec51f7c6
--- firmware/App/Modes/ModeDrain.h	(.../ModeDrain.h)	(revision 6499ea25921fcf67826fa0c35bb03caf411ba542)
+++ firmware/App/Modes/ModeDrain.h	(.../ModeDrain.h)	(revision 729561329c224146d94b91bce5992cddec51f7c6)
@@ -30,7 +30,13 @@
  */
 
 // ********** public definitions **********
-
+/// Drain mode data structure
+typedef struct
+{
+    U32 drainModeState;         ///< Drain Mode state.
+    U32 badFillSignal;          ///< Gen Idle bad fill signal.
+    U32 badFillState;           ///< Gen Idle bad fill substate.
+} DG_DRAIN_MODE_DATA_T;
 // ********** public function prototypes **********
 
 void initDrainMode( void );         // initialize this module