Index: firmware/App/Modes/ModeFill.h
===================================================================
diff -u -r6d5a23b275903587f400bc686aed4d2709cf3e78 -r353d01d31bc69d4d1901ff09097ee610bb1c9dbc
--- firmware/App/Modes/ModeFill.h	(.../ModeFill.h)	(revision 6d5a23b275903587f400bc686aed4d2709cf3e78)
+++ firmware/App/Modes/ModeFill.h	(.../ModeFill.h)	(revision 353d01d31bc69d4d1901ff09097ee610bb1c9dbc)
@@ -1,26 +1,48 @@
 /**************************************************************************
- *
- *  Copyright (c) 2019-2019 Diality Inc. - All Rights Reserved.
- *
- *  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
- *  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
- *
- *  @file FillMode.h
- *
- *  @date 19-Nov-2019
- *  @author L. Baloa
- *
- *  @brief Header file for Fill Mode.
- *
- **************************************************************************/
+*
+* Copyright (c) 2019-2021 Diality Inc. - All Rights Reserved.
+*
+* THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
+* WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
+*
+* @file    ModeFill.h
+*
+* @author  (last)      Dara Navaei
+* @date    (last)      03-Nov-2021
+*
+* @author  (original)  Leonardo Baloa
+* @date    (original)  19-Nov-2019
+*
+***************************************************************************/
 
 #ifndef __MODE_FILL_H__
-#define __MODE_FILl_H__
+#define __MODE_FILL_H__
 
-// ********** private function prototypes **********
+#include "DGCommon.h"
+#include "DGDefs.h"
 
+/**
+ *  @defgroup DGFillMode DGFillMode
+ *  @brief Fill mode module. Manages fill mode functions via a state machine.
+ *
+ *  @addtogroup DGFillMode
+ *  @{
+ */
+
+// ********** public definitions **********
+
+// ********** public function prototypes **********
+
 void initFillMode( void );          // initialize this module
-void transitionToFillMode( void );  // prepares for transition to fill mode
-void execFillMode( void );          // execute the fill mode state machine (call from OperationModes)
+U32  transitionToFillMode( void );  // prepares for transition to fill mode
+U32  execFillMode( void );          // execute the fill mode state machine (call from OperationModes)
 
+F32  getAvgFillFlowRate( void );    // TODO do we need this?
+
+F32  getAvgFillTemperature( void );
+
+F32  getLastFillTemperature( void );
+
+/**@}*/
+
 #endif