Index: firmware/App/Modes/ModeSolo.h
===================================================================
diff -u -rf43eb1e9e0803776ec7420b16e1db8760b020bd9 -r7d4711edd7b40cd3e29f43e766f79a8a09586fe9
--- firmware/App/Modes/ModeSolo.h	(.../ModeSolo.h)	(revision f43eb1e9e0803776ec7420b16e1db8760b020bd9)
+++ firmware/App/Modes/ModeSolo.h	(.../ModeSolo.h)	(revision 7d4711edd7b40cd3e29f43e766f79a8a09586fe9)
@@ -1,28 +1,44 @@
-/**********************************************************************//**
- *
- *  Copyright (c) 2020 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 ModeSolo.h
- *
- *  @date  18-Mar-2020
- *  @author S. Nash
- *
- *  @brief Header file for Standby-Solo Mode.
- *
- **************************************************************************/
+/**************************************************************************
+*
+* Copyright (c) 2020-2024 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    ModeSolo.h
+*
+* @author  (last)      Dara Navaei
+* @date    (last)      24-Oct-2021
+*
+* @author  (original)  Sean
+* @date    (original)  18-Mar-2020
+*
+***************************************************************************/
 
 #ifndef __MODE_SOLO_H__
 #define __MODE_SOLO_H__
 
 #include "DGCommon.h"
+#include "DGDefs.h"
 
-// ********** private function prototypes **********
+/**
+ *  @defgroup DGSoloStandbyMode DGSoloStandbyMode
+ *  @brief Solo Standby mode module. Manages solo standby mode functions via a state machine.
+ *
+ *  @addtogroup DGSoloStandbyMode
+ *  @{
+ */
 
+// ********** public definitions **********
+
+// ********** public function prototypes **********
+
 void initSoloMode( void );          // initialize this module
-void transitionToSoloMode( void );  // prepares for transition to standby-solo mode
-void execSoloMode( void );          // execute the standby-solo mode state machine (call from OperationModes)
+U32 transitionToSoloMode( void );  // prepares for transition to standby-solo mode
+U32  execSoloMode( void );          // execute the standby-solo mode state machine (call from OperationModes)
 
+DG_SOLO_STANDBY_STATE_T getCurrentSoloState( void );  // get the current state of the standby-solo mode.
+
+/**@}*/
+
 #endif