Index: firmware/App/Modes/ModeFlush.h
===================================================================
diff -u -rb64c49fdcf2b6d95e61e63f8e258c4e600935bbd -r4efb2d1786c717ca6cf4b1bc992cec8e16820bff
--- firmware/App/Modes/ModeFlush.h	(.../ModeFlush.h)	(revision b64c49fdcf2b6d95e61e63f8e258c4e600935bbd)
+++ firmware/App/Modes/ModeFlush.h	(.../ModeFlush.h)	(revision 4efb2d1786c717ca6cf4b1bc992cec8e16820bff)
@@ -1,4 +1,4 @@
-/**************************************************************************
+/**********************************************************************//**
  *
  *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
  *
@@ -8,7 +8,7 @@
  *  @file ModeFlush.h
  *
  *  @date 20-Dec-2019
- *  @author L. Baloa
+ *  @author S. Nash
  *
  *  @brief Header file for Flush Mode.
  *
@@ -18,11 +18,27 @@
 #define __MODE_FLUSH_H__
 
 #include "DGCommon.h"
+#include "DGDefs.h"
 
+/**
+ *  @defgroup DGFlushMode DGFlushMode
+ *  @brief Flush mode module.  Manages the state machine for the
+ *  flush mode.
+ *
+ *  @addtogroup DGFlushMode
+ *  @{
+ */
+
+// ********** public definitions **********
+
 // ********** private function prototypes **********
 
 void initFlushMode( void );           // initialize this module
 void transitionToFlushMode( void );   // prepares for transition to pre-treatment mode
-void execFlushMode( void );           // execute the pre-treatment mode state machine (call from OperationModes)
+U32  execFlushMode( void );           // execute the pre-treatment mode state machine (call from OperationModes)
 
+DG_FLUSH_STATE_T getCurrentFlushState( void );  // get the current state of the flush mode.
+
+/**@}*/
+
 #endif