Index: firmware/App/Modes/ModeService.c
===================================================================
diff -u -r9b262ba08e3180f121c3cf19d8d25e565183f87d -r2df21d2472a8d79d78af7e359518acf3614accc5
--- firmware/App/Modes/ModeService.c	(.../ModeService.c)	(revision 9b262ba08e3180f121c3cf19d8d25e565183f87d)
+++ firmware/App/Modes/ModeService.c	(.../ModeService.c)	(revision 2df21d2472a8d79d78af7e359518acf3614accc5)
@@ -17,6 +17,11 @@
 #include "OperationModes.h"
 #include "ModeService.h"
 
+    /**
+     *  @addtogroup HDServiceMode
+     *  @{
+     */
+
 // ********** private data **********
 
 // ********** private function prototypes **********
@@ -54,9 +59,12 @@
  * Inputs : none
  * Outputs :
  * @param none
- * @return none
+ * @return current state (sub-mode)
  *************************************************************************/
-void execServiceMode( void )
+U32 execServiceMode( void )
 {
+
+    return 0; // TODO - return current state
 }
 
+/**@}*/