Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -re45524455c005d4fa1734efcbaf7ed0499302670 -r8bd1ae47aa13a843aa8abd6321ddc050deacb4a6
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision e45524455c005d4fa1734efcbaf7ed0499302670)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 8bd1ae47aa13a843aa8abd6321ddc050deacb4a6)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* 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 SystemCommMessages.c
+* @file    SystemCommMessages.c
 *
-* @author (last) Peman Montazemi
-* @date (last) 18-Mar-2021
+* @author  (last)      Dara Navaei
+* @date    (last)      09-Nov-2021
 *
-* @author (original) Dara Navaei
-* @date (original) 05-Nov-2019
+* @author  (original)  Dara Navaei
+* @date    (original)  05-Nov-2019
 *
 ***************************************************************************/
 
@@ -6722,4 +6722,26 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+
+/*********************************************************************//**
+* @brief
+* The handleStopHDRTCClock function handles a request to stop the RTC clock.
+* @details Inputs: none
+* @details Outputs: message handled
+* @param message a pointer to the message to handle
+* @return none
+*************************************************************************/
+void handleStopHDRTCClock( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
+
+    if ( 0 == message->hdr.payloadLen )
+    {
+        result = testSetStopRTC();
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/