Index: NVDataMgmt.c
===================================================================
diff -u -rcd1dbf44ebce97f61ad4a757d47449562ec366f0 -r547c33d5e13614b5e8de4739a45db7c3475721d1
--- NVDataMgmt.c	(.../NVDataMgmt.c)	(revision cd1dbf44ebce97f61ad4a757d47449562ec366f0)
+++ NVDataMgmt.c	(.../NVDataMgmt.c)	(revision 547c33d5e13614b5e8de4739a45db7c3475721d1)
@@ -20,6 +20,8 @@
 #include <string.h>      // For memcpy
 
 #include "F021.h"
+
+#include "MsgQueues.h"
 #include "NVDataMgmt.h"
 #include "RTC.h"
 #include "system.h"
@@ -81,6 +83,8 @@
 
 #define COMMAND_TIME_OUT                   500U      // time in ms                                              ///< Timeout for an EEPROM or RTC command in ms
 
+#define ERASE_CALIBRATION_KEY              0xD2C3B4A5                                                           ///< 32-bit key required for clearing calibration data.
+
 /// NVDataMgmt self-test states enumeration.
 typedef enum NVDataMgmt_Self_Test_States
 {
@@ -226,6 +230,9 @@
 static BOOL                         calRecordIsValid         = FALSE;                                           ///< Flag indicates whether stored calibration record was found to be valid
 static volatile BOOL                powerOffIsImminent       = FALSE;                                           ///< Power off warning has been signaled.  Non-volatile memory operations should be completed ASAP and then ceased
 
+// *** This declaration will cause a compiler error if CALIBRATION_DATA_T record size exceeds max message payload size.
+U08 calRecordSizeAssertion[ ( sizeof( CALIBRATION_DATA_T ) <= MAX_MSG_PAYLOAD_SIZE ? 1 : -1 ) ];
+
 // Private functions
 
 static NVDATAMGMT_SELF_TEST_STATE_T handleSelfTestStart ( void );
@@ -367,7 +374,7 @@
 
 /*********************************************************************//**
  * @brief
- * The getCalibrationData returns the data in the structure that hold
+ * The getCalibrationData function returns the data in the structure that hold
  * calibration record to buffer that the caller has provided.
  * @details Inputs: calibrationRecord
  * @details Outputs: none
@@ -389,6 +396,37 @@
 
 /*********************************************************************//**
  * @brief
+ * The testResetCalibrationData function erases the calibration data.
+ * @details
+ * Inputs: calibrationRecord
+ * Outputs: none
+ * @param key a key is required to erase calibration data
+ * @return TRUE if calibration record valid
+ *************************************************************************/
+BOOL testResetCalibrationData( U32 key )
+{
+    BOOL status = FALSE;
+
+    // tester must be logged in
+    if ( TRUE == isTestingActivated() )
+    {
+        // verify key
+        if ( ERASE_CALIBRATION_KEY == key )
+        {
+            // erase calibration record
+            memset( (U08*)&calibrationRecord.calData, 0, sizeof(CALIBRATION_DATA_T) );
+            // zero CRC so integrity check will fail unless calibration data set again
+            calibrationRecord.crc = 0;
+            // save erased calibration record
+            status = enqueueBank7Sector0Records();
+        }
+    }
+
+    return status;
+}
+
+/*********************************************************************//**
+ * @brief
  * The setServiceDate updates the structure that holds the calibration data,
  * calls another function to calculate the CRC for the provided data if
  * there is enough queues available, it schedules a write to RTC RAM.