Index: Utilities.c
===================================================================
diff -u -r5ccc22443444a99309fa2a9099da2c61b04a4015 -r1a2123e2152f5290cae14add017ca258770b2ee2
--- Utilities.c	(.../Utilities.c)	(revision 5ccc22443444a99309fa2a9099da2c61b04a4015)
+++ Utilities.c	(.../Utilities.c)	(revision 1a2123e2152f5290cae14add017ca258770b2ee2)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2020-2022 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 Utilities.c
+* @file    Utilities.c
 *
-* @author (last) Sean Nash
-* @date (last) 24-Sep-2020
+* @author  (last)      Quang Nguyen
+* @date    (last)      20-May-2021
 *
-* @author (original) Sean
-* @date (original) 17-Feb-2020
+* @author  (original)  Sean
+* @date    (original)  17-Feb-2020
 *
 ***************************************************************************/
 
@@ -537,6 +537,30 @@
 
 /*********************************************************************//**
  * @brief
+ * The isCriticalDataSet function checks if the critical data has been set.
+ * @details Inputs: none
+ * @details Outputs: None
+ * @param data Ptr to a critical data record
+ * @return  TRUE if critical data has been set, FALSE if not
+ *************************************************************************/
+BOOL isCriticalDataSet( CRITICAL_DATA_T *data )
+{
+    BOOL result = FALSE;
+    CRITICAL_DATA_T  d;
+
+    _disable_IRQ();
+    d = *data;
+    _enable_IRQ();
+    // verify data integrity
+    if (( d.set != FALSE ) )
+    {
+        result = TRUE;
+    }
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The hexStrToDec function convert hex string to decimal value.
  * @details Inputs: none
  * @details Outputs: none