Index: firmware/App/Services/Utilities.h
===================================================================
diff -u -rf2652e85c8676d0356fea2690cfd9cac716ca795 -rc74c1d99a011dd0fb7f98f183faecda675221fce
--- firmware/App/Services/Utilities.h	(.../Utilities.h)	(revision f2652e85c8676d0356fea2690cfd9cac716ca795)
+++ firmware/App/Services/Utilities.h	(.../Utilities.h)	(revision c74c1d99a011dd0fb7f98f183faecda675221fce)
@@ -1,20 +1,29 @@
-/*
- * Utilities.h
- *
- *  Created on: Aug 4, 2024
- *      Author: fw
- */
 
 #ifndef __UTILITIES_H__
 #define __UTILITIES_H__
 
 #include "BLCommon.h"
 
+/**
+ *  @defgroup Utilities Utilities
+ *  @brief Utilities unit contains various utility functions.
+ *
+ *  @addtogroup Utilities
+ *  @{
+ */
+
+// ********** public definitions **********
+
 #define MAX_CRC_CALC_DATA_SIZE              0x8000              ///< The maximum size of data for each CRC calculation.
 
+// ********** public function prototypes **********
 
+BOOL runFWIntegrityTest( void );
+
 U32 crc32( U32 initialValue, U08 *address, U32 len );
 
-BOOL isCRCValid( U32 msgCRC, U32 calcCRC ); // TODO remove
+U16 crc16( U08 *address, U32 len );
 
+/**@}*/
+
 #endif