Index: Utilities.h
===================================================================
diff -u -r7c49409b1bfeee8fd788fe1cd2a6dbf2abda7fea -r810dd01b8fa7d5864adea6aaf13c43c61f2c889b
--- Utilities.h	(.../Utilities.h)	(revision 7c49409b1bfeee8fd788fe1cd2a6dbf2abda7fea)
+++ Utilities.h	(.../Utilities.h)	(revision 810dd01b8fa7d5864adea6aaf13c43c61f2c889b)
@@ -84,7 +84,10 @@
 
 U16 crc16( const U08 *address, U32 len );
 U08 crc8( const U08 *address, U32 len );
-U32 u32DiffWithWrap( U32 start, U32 end );
+U32 u32DiffWithWrap( U32 start, U32 end );
+S32 u32BiDiffWithWrap( U32 start, U32 end );
+U16 u16DiffWithWrap( U16 start, U16 end );
+S16 u16BiDiffWithWrap( U16 start, U16 end );
 void initTimeWindowedCount( TIME_WINDOWED_COUNT_T cnt, U32 maxCnt, U32 winMs );
 BOOL incTimeWindowedCount( TIME_WINDOWED_COUNT_T cnt );
 CRITICAL_DATAS_T getCriticalData( CRITICAL_DATA_T *data );