Index: firmware/App/Services/Messaging.c
===================================================================
diff -u -r72bc0d5f33dbb07afc8a7cd9015e4861c6c371a1 -r838bd7060d127e6967559bc2b3998eac201bf738
--- firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 72bc0d5f33dbb07afc8a7cd9015e4861c6c371a1)
+++ firmware/App/Services/Messaging.c	(.../Messaging.c)	(revision 838bd7060d127e6967559bc2b3998eac201bf738)
@@ -185,6 +185,7 @@
     { MSG_ID_TD_BLOOD_PRIME_VOLUME_OVERRIDE,                            &testBloodPrimeVolumeOverride },
     { MSG_ID_TD_BLOOD_PRIME_PUBLISH_INTERVAL_OVERRIDE_REQUEST,          &testBloodPrimePublishIntervalOverride },
     { MSG_ID_TD_ENABLE_VENOUS_BUBBLE_ALARM,                             &testEnableVenousBubbleAlarm },
+    { MSG_ID_FFU_SIGNAL_TD_UPDATE_AVAILABLE,                            &handleUpdateAvailable },
 };
 
 #define NUM_OF_FUNCTION_HANDLERS (sizeof(MSG_FUNCTION_HANDLER_LOOKUP) / sizeof(MSG_HANDLER_LOOKUP_T))
@@ -598,6 +599,18 @@
 
 /*********************************************************************//**
  * @brief
+ * The resetMicroControllerUnit function resets the MCU.
+ * @details \b Inputs: none
+ * @details \b Outputs: none
+ * @return none
+ *************************************************************************/
+void resetMicroControllerUnit( void )
+{
+    setSystemREG1_SYSECR( (0x2) << 14 );  // Reset processor
+}
+
+/*********************************************************************//**
+ * @brief
  * The sendTestAckResponseMsg function constructs a simple response message
  * for a handled test message and queues it for transmit on the TD=>PC CAN
  * channel.
@@ -666,6 +679,32 @@
 
 /*********************************************************************//**
  * @brief
+ * The handleUpdateAvailable function handles a request from the
+ * Firmware FPGA Updater (FFU) to reset the TD firmware processor.
+ * @note If reset is successful, this function will not return.
+ * @details \b Inputs: none
+ * @details \b Outputs: TD processor soft reset if request is valid
+ * @param message Pointer to the reset request message
+ * @return FALSE if reset command rejected
+ *************************************************************************/
+BOOL handleUpdateAvailable( MESSAGE_T *message )
+{
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( 0 == message->hdr.payloadLen )
+    {   // S/w reset of processor
+        result = TRUE;                        // Reset will prevent this from getting transmitted though
+        requestNewOperationMode( MODE_UPDT );
+    }
+
+    sendAckResponseMsg( (MSG_ID_T)message->hdr.msgID, COMM_BUFFER_OUT_CAN_TD_2_UI, result );
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
  * The testTDSoftwareResetRequest function handles a request to reset the
  * TD firmware processor.
  * @note If reset is successful, this function will not return.
@@ -682,7 +721,7 @@
     if ( 0 == message->hdr.payloadLen )
     {   // S/w reset of processor
         result = TRUE;                        // Reset will prevent this from getting transmitted though
-        setSystemREG1_SYSECR( (0x2) << 14 );  // Reset processor
+        resetMicroControllerUnit();
     }
 
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );