Index: RTC.c
===================================================================
diff -u -r02f990b33c415985dcd9c765c49604226cb371e3 -rcc035ecce50596a70d2489e0f591e769d5f6977c
--- RTC.c	(.../RTC.c)	(revision 02f990b33c415985dcd9c765c49604226cb371e3)
+++ RTC.c	(.../RTC.c)	(revision cc035ecce50596a70d2489e0f591e769d5f6977c)
@@ -50,6 +50,16 @@
 #define RTC_MONTHS_INDEX                    9U
 #define RTC_YEARS_INDEX                     10U
 
+// Time and date acceptable ranges
+#define MAX_ALLOWED_SECONDS                 59U
+#define MAX_ALLOWED_MINUTES                 59U
+#define MAX_ALLWOED_HOURS                   23U
+#define MAX_ALLOWED_DAYS                    31U
+#define MIN_ALLOWED_DAYS                    1U
+#define MAX_ALLOWED_MONTHS                  12U
+#define MIN_ALLOWED_MONTHS                  1U
+#define MAX_ALLOWED_YEARS                   99U
+
 #define BUFFER_INDEX_0                      0U
 #define BUFFER_INDEX_1                      1U
 #define BUFFER_INDEX_2                      2U
@@ -90,6 +100,7 @@
 
 #define RTC_ACCURACY_TIMEOUT                1000U   // ms
 #define RTC_ACCURACY_TIMEOUT_TOLERANCE      1050U   // ms
+#define RTC_PUBLISH_INTERVAL                1U      // seconds
 
 #define TIMER_COUNTER_TO_REQUEST_READ       18U
 #define MAX_ALLOWED_FAILED_RTC_TRANSFERS    3U
@@ -159,12 +170,14 @@
 static RTC_RAM_STATUS_T      RTCRAMStatus      = RTC_RAM_STATUS_IDLE;
 static RTC_RAM_STATE_T       RTCRAMState       = RTC_RAM_STATE_READY;
 static RTC_TIMESTAMP_T       RTCTimestampStruct;
+static RTC_TIMESTAMP_T       RTCNewTimestampStruct;
 
 static U32 RTCSelfTestTimer           = 0;
 static U32 RTCPreviousSecond          = 0;   // Previous second is used to compare seconds in POST
 static U32 RAMBufferLength            = 0;
 static U32 lastEpochTime              = 0;   // Last value that has been converted to epoch
 static U32 previousTransferLength     = 0;
+static U32 RTCPublishIntervalCounter  = 1;
 
 static U32 timeCounter                = 1;
 static U32 numberOfFailedRTCTransfers = 1;
@@ -173,6 +186,7 @@
 static BOOL hasWriteToRAMRequested    = FALSE;
 static BOOL hasReadFromRAMRequested   = FALSE;
 static BOOL isRTCServiceOnEntry       = FALSE;
+static BOOL isTimestampBufferReady    = FALSE;
 
 static U16 rxBuffer[ MIBSPI_MAX_BUFFER_LENGTH + 1 ];
 static U16 txBuffer[ MIBSPI_MAX_BUFFER_LENGTH + 1 ];
@@ -232,20 +246,46 @@
  * @param none
  * @return none
  *************************************************************************/
-void setRTCTimestamp( U08 secs, U08 mins, U08 hours, U08 days, U08 months, U32 years )
+BOOL setRTCTimestamp( U08 secs, U08 mins, U08 hours, U08 days, U08 months, U32 years )
 {
-    hasWriteToRTCRequested = TRUE;
-    txBuffer[ 0 ]  = RTC_WRITE_TO_REG0;
-    txBuffer[ 1 ]  = 0x0000;
-    txBuffer[ 2 ]  = 0x0000;
-    txBuffer[ 3 ]  = 0x0000;
-    txBuffer[ 4 ]  = convertDecimal2BCD( secs );
-    txBuffer[ 5 ]  = convertDecimal2BCD( mins );
-    txBuffer[ 6 ]  = convertDecimal2BCD( hours );
-    txBuffer[ 7 ]  = convertDecimal2BCD( days );
-    txBuffer[ 8 ]  = convertDecimal2BCD( 0 );    // Weekdays will not be used
-    txBuffer[ 9 ]  = convertDecimal2BCD( months );
-    txBuffer[ 10 ] = convertDecimal2BCD( years - YEAR_2000 );
+    BOOL isDataOk = TRUE;
+    if ( secs > MAX_ALLOWED_SECONDS )
+    {
+        isDataOk = FALSE;
+    }
+    else if ( mins > MAX_ALLOWED_MINUTES )
+    {
+        isDataOk = FALSE;
+    }
+    else if ( hours > MAX_ALLWOED_HOURS )
+    {
+        isDataOk = FALSE;
+    }
+    else if ( days < MIN_ALLOWED_DAYS || days > MAX_ALLOWED_DAYS )
+    {
+        isDataOk = FALSE;
+    }
+    else if ( months < MIN_ALLOWED_MONTHS || months > MAX_ALLOWED_MONTHS )
+    {
+        isDataOk = FALSE;
+    }
+    else if ( ( years - YEAR_2000 ) > MAX_ALLOWED_YEARS )
+    {
+        isDataOk = FALSE;
+    }
+    else
+    {
+        hasWriteToRTCRequested = TRUE;
+        isTimestampBufferReady = FALSE;
+        RTCNewTimestampStruct.seconds  = secs;
+        RTCNewTimestampStruct.minutes  = mins;
+        RTCNewTimestampStruct.hours    = hours;
+        RTCNewTimestampStruct.days     = days;
+        RTCNewTimestampStruct.weekdays = 0;            // Weekdays will not be used
+        RTCNewTimestampStruct.months   = months;
+        RTCNewTimestampStruct.years    = years;
+    }
+    return isDataOk;
 }
 
 /*************************************************************************
@@ -917,7 +957,7 @@
     }
     else if  ( RTCSelfTestState == RTC_SELF_TEST_STATE_COMPLETE )
     {
-        result = RTC_EXEC_STATE_FAULT;
+        result = RTC_EXEC_STATE_IDLE;
     }
 
     return result;
@@ -950,7 +990,7 @@
     {
         result = RTC_EXEC_STATE_PREP_RAM;
     }
-    else if ( timeCounter == TIMER_COUNTER_TO_REQUEST_READ )
+    else if ( (timeCounter == TIMER_COUNTER_TO_REQUEST_READ) )
     {
         prepBufferForReadCommand( RTC_GENERAL_BUFFER_LENGTH );
         result = RTC_EXEC_STATE_READ;
@@ -974,8 +1014,24 @@
  *************************************************************************/
 static RTC_EXEC_STATE_T handleExecWriteState( void )
 {
+    if ( !isTimestampBufferReady )
+    {
+        txBuffer[ 0 ]  = RTC_WRITE_TO_REG0;
+        txBuffer[ 1 ]  = 0x0000;
+        txBuffer[ 2 ]  = 0x0000;
+        txBuffer[ 3 ]  = 0x0000;
+        txBuffer[ 4 ]  = convertDecimal2BCD( RTCNewTimestampStruct.seconds );
+        txBuffer[ 5 ]  = convertDecimal2BCD( RTCNewTimestampStruct.minutes );
+        txBuffer[ 6 ]  = convertDecimal2BCD( RTCNewTimestampStruct.hours );
+        txBuffer[ 7 ]  = convertDecimal2BCD( RTCNewTimestampStruct.days );
+        txBuffer[ 8 ]  = convertDecimal2BCD( RTCNewTimestampStruct.weekdays );    // Weekdays will not be used
+        txBuffer[ 9 ]  = convertDecimal2BCD( RTCNewTimestampStruct.months );
+        txBuffer[ 10 ] = convertDecimal2BCD( ( RTCNewTimestampStruct.years - YEAR_2000 ) );
+        isTimestampBufferReady = TRUE;
+    }
+
     RTC_EXEC_STATE_T result = RTC_EXEC_STATE_WRITE;
-    BOOL isStatusOk = serviceRTC( txBuffer, rxBuffer, RTC_TIMESTAMP_BUFFER_LENGTH );
+    BOOL isStatusOk = serviceRTC( txBuffer, rxBuffer, RTC_GENERAL_BUFFER_LENGTH );
 
     if ( RTCServiceState == RTC_SERVICE_COMPLETE && isStatusOk )
     {
@@ -1168,7 +1224,6 @@
         {
             U32 RTCCurrentSecond = rxBuffer[ RTC_SECONDS_INDEX ];
             RTCPreviousSecond = RTCCurrentSecond;
-
             result = RTC_SELF_TEST_STATE_WAIT_FOR_FIRST_SECOND;
         }
         else
Index: RTC.h
===================================================================
diff -u -r9e60eaa3f9b152acef1fa1c99bea1fc255813f59 -rcc035ecce50596a70d2489e0f591e769d5f6977c
--- RTC.h	(.../RTC.h)	(revision 9e60eaa3f9b152acef1fa1c99bea1fc255813f59)
+++ RTC.h	(.../RTC.h)	(revision cc035ecce50596a70d2489e0f591e769d5f6977c)
@@ -41,7 +41,7 @@
 
 void execRTC( void );
 
-void setRTCTimestamp( U08 secs, U08 mins, U08 hours, U08 days, U08 months, U32 years );
+BOOL setRTCTimestamp( U08 secs, U08 mins, U08 hours, U08 days, U08 months, U32 years );
 
 U32  getRTCTimestamp( void );