Index: Utilities.h
===================================================================
diff -u -re8828d66e4a76e0590c3f06b7f6235f33df64e80 -r569a9f44c93e6489f1dc1a62a7937e100ea344c2
--- Utilities.h	(.../Utilities.h)	(revision e8828d66e4a76e0590c3f06b7f6235f33df64e80)
+++ Utilities.h	(.../Utilities.h)	(revision 569a9f44c93e6489f1dc1a62a7937e100ea344c2)
@@ -28,32 +28,62 @@
 
 // ********** public definitions **********
 
-#define MAX_TIME_WINDOWED_COUNT         5           ///< Maximum # of counts that a time windowed count can count to.
+//                  ******* Time Windowed Count Definitions *********
+#define MAX_TIME_WINDOWED_COUNT         5                   ///< Maximum # of counts that a time windowed count can count to.
 
 /// Enumeration of time-windowed counts.
 typedef enum TimeWindowedCounts
 {
-    TIME_WINDOWED_COUNT_BAD_MSG_CRC = 0,                    ///< Bad message CRC.
-    TIME_WINDOWED_COUNT_CAN_WARNING,                        ///< CAN warning.
-    TIME_WINDOWED_COUNT_CAN_PASSIVE,                        ///< CAN passive mode.
-    TIME_WINDOWED_COUNT_CAN_OFF,                            ///< CAN off.
-    TIME_WINDOWED_COUNT_CAN_PARITY,                         ///< CAN parity error.
-    TIME_WINDOWED_COUNT_FPGA_UART_FRAME_ERROR,              ///< FPGA UART frame error.
-    TIME_WINDOWED_COUNT_FPGA_UART_OVERRUN,                  ///< FPGA UART overrun error.
+    TIME_WINDOWED_COUNT_BAD_MSG_CRC = 0,                    ///< Bad message CRC
+    TIME_WINDOWED_COUNT_CAN_WARNING,                        ///< CAN warning
+    TIME_WINDOWED_COUNT_CAN_PASSIVE,                        ///< CAN passive mode
+    TIME_WINDOWED_COUNT_CAN_OFF,                            ///< CAN off
+    TIME_WINDOWED_COUNT_CAN_PARITY,                         ///< CAN parity error
+    TIME_WINDOWED_COUNT_FPGA_UART_FRAME_ERROR,              ///< FPGA UART frame error
+    TIME_WINDOWED_COUNT_FPGA_UART_OVERRUN,                  ///< FPGA UART overrun error
 #ifdef _HD_
 #endif
 #ifdef _DG_
-    TIME_WINDOWED_COUNT_FPGA_CONDUCTIVITY_SENSOR_ERROR,     ///< FPGA Conductivity sensor error
+    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.
 } 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_F32,                                 ///< Critical data is 32-bit floating point type
+    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.
+} CRITICAL_DATAS_T;
+
+/// critical integer data structure.
+typedef struct
+{
+    CRITICAL_DATA_TYPES_T typ;  ///< Type of data
+    CRITICAL_DATAS_T data;      ///< Data value
+    U32 comp;                   ///< One's compliment of value
+    BOOL set;                   ///< Flag indicates data has been set
+} CRITICAL_DATA_T;
+
 // ********** public function prototypes **********
 
 U16 crc16( const U08 *address, U32 len );
 U08 crc8( const U08 *address, U32 len );
 void initTimeWindowedCount( TIME_WINDOWED_COUNT_T cnt, U32 maxCnt, U32 winMs );
-BOOL incTimeWindowedCount( TIME_WINDOWED_COUNT_T cnt );
+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 );
+void resetCriticalData( CRITICAL_DATA_T *data );
 
 /**@}*/