Index: Utilities.h
===================================================================
diff -u -r2a312d7c2448c2ad754532e71c27cbe91f671a15 -rb65b35c0e1f3fd789707845d03e765a5ff4b5481
--- Utilities.h	(.../Utilities.h)	(revision 2a312d7c2448c2ad754532e71c27cbe91f671a15)
+++ Utilities.h	(.../Utilities.h)	(revision b65b35c0e1f3fd789707845d03e765a5ff4b5481)
@@ -7,8 +7,8 @@
 *
 * @file Utilities.h
 *
-* @author (last) Sean Nash
-* @date (last) 04-Aug-2020
+* @author (last) Quang Nguyen
+* @date (last) 22-Jul-2020
 *
 * @author (original) Sean
 * @date (original) 17-Feb-2020
@@ -29,7 +29,7 @@
 // ********** public definitions **********
 
 //                  ******* Time Windowed Count Definitions *********
-#define MAX_TIME_WINDOWED_COUNT         5                   ///< Maximum # of counts that a time windowed count can count to.
+#define MAX_TIME_WINDOWED_COUNT         5                   ///< Maximum number of counts that a time windowed count can count to
 
 /// Enumeration of time-windowed counts.
 typedef enum TimeWindowedCounts
@@ -47,29 +47,34 @@
     TIME_WINDOWED_COUNT_FPGA_CONDUCTIVITY_SENSOR_ERROR,     ///< FPGA Conductivity sensor error
     TIME_WINDOWED_COUNT_FPGA_TEMPERATURE_SENSOR_ERROR,      ///< FPGA Temperature sensor error
 #endif
-    NUM_OF_TIME_WINDOWED_COUNTS                             ///< Number of pressure sensors.
+    NUM_OF_TIME_WINDOWED_COUNTS                             ///< Number of pressure sensors
 } TIME_WINDOWED_COUNT_T;
 
 //                  ******* Critical Data Definitions *********
 /// Critical data types list.
 typedef enum Critical_Data_Types
 {
     CRITICAL_DATA_TYPE_U32 = 0,                             ///< Critical data is unsigned 32-bit integer type
+    CRITICAL_DATA_TYPE_S32,                                 ///< Critical data is signed 32-bit integer type
     CRITICAL_DATA_TYPE_F32,                                 ///< Critical data is 32-bit floating point type
-    NUM_OF_CRITICAL_DATA_TYPES                              ///< Total number of critical data types.
+    NUM_OF_CRITICAL_DATA_TYPES                              ///< Total number of critical data types
 } CRITICAL_DATA_TYPES_T;
 
 /// Record structure for alarm data of any supported type.
 typedef union
 {
-    U32    uInt;                ///< critical data of unsigned integer type.
-    F32    flt;                 ///< critical data of floating point type.
+    U32    uInt;                ///< critical data of unsigned integer type
+    S32    sInt;                ///< critical data of signed integer type
+    F32    sFlt;                ///< critical data of floating point type
 } CRITICAL_DATAS_T;
 
 /// critical integer data structure.
 typedef struct
 {
     CRITICAL_DATA_TYPES_T typ;  ///< Type of data
+    CRITICAL_DATAS_T minimum;   ///< Minimum value for valid data
+    CRITICAL_DATAS_T maximum;   ///< Maximum value for valid data
+    CRITICAL_DATAS_T defValue;  ///< Default value
     CRITICAL_DATAS_T data;      ///< Data value
     U32 comp;                   ///< One's compliment of value
     BOOL set;                   ///< Flag indicates data has been set
@@ -82,7 +87,8 @@
 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 );
-void setCriticalData( CRITICAL_DATA_T *data, CRITICAL_DATAS_T value );
+BOOL setCriticalData( CRITICAL_DATA_T *data, CRITICAL_DATAS_T value );
+BOOL isCriticalDataInRange( CRITICAL_DATA_T *data );
 void resetCriticalData( CRITICAL_DATA_T *data );
 
 /**@}*/