Index: firmware/App/Modes/ModeStandby.h
===================================================================
diff -u -rf43eb1e9e0803776ec7420b16e1db8760b020bd9 -r4efb2d1786c717ca6cf4b1bc992cec8e16820bff
--- firmware/App/Modes/ModeStandby.h	(.../ModeStandby.h)	(revision f43eb1e9e0803776ec7420b16e1db8760b020bd9)
+++ firmware/App/Modes/ModeStandby.h	(.../ModeStandby.h)	(revision 4efb2d1786c717ca6cf4b1bc992cec8e16820bff)
@@ -8,7 +8,7 @@
  *  @file ModeStandby.h
  *
  *  @date  11-Dec-2019
- *  @author L. Baloa
+ *  @author S. Nash
  *
  *  @brief Header file for Standby Mode.
  *
@@ -18,22 +18,30 @@
 #define __MODE_STANDBY_H__
 
 #include "DGCommon.h"
+#include "DGDefs.h"
 
 /**
- *  @defgroup StandbyMode StandbyMode
+ *  @defgroup DGStandbyMode DGStandbyMode
  *  @brief Standby mode module.
  *  Manages standby mode functions via a state machine.
  *
- *  @addtogroup StandbyMode
+ *  @addtogroup DGStandbyMode
  *  @{
  */
 
+// ********** public definitions **********
+
 // ********** private function prototypes **********
 
 void initStandbyMode( void );           // initialize this module
 void transitionToStandbyMode( void );   // prepares for transition to standby mode
-void execStandbyMode( void );           // execute the standby mode state machine (call from OperationModes)
+U32  execStandbyMode( void );           // execute the standby mode state machine (call from OperationModes)
 
+DG_STANDBY_MODE_STATE_T getCurrentStandbyState( void );  // get the current state of the standby mode.
+
+BOOL requestWaterSample( void );        // HD requests water sample
+BOOL requestDGStart( void );            // HD requests DG start (go to re-circulate mode)
+
 /**@}*/
 
 #endif