Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r844f98879b7425c207b58562e623ab960adbc357 -ra31707ccbf01a1b40f8500bc491dc9c616e7a163
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 844f98879b7425c207b58562e623ab960adbc357)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision a31707ccbf01a1b40f8500bc491dc9c616e7a163)
@@ -321,6 +321,41 @@
 
     return result;
 }
+
+/*********************************************************************//**
+ * @brief
+ * The sendEvent function constructs an HD event message to the UI and
+ * queues the msg for transmit on the appropriate CAN channel.
+ * @details Inputs: none
+ * @details Outputs: HD event msg constructed and queued.
+ * @param event Enumeration of event type that occurred
+ * @param dat1 First data associated with event
+ * @param dat2 Second data associated with event
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendEvent( EVENT_ID_T event, EVENT_DATA_T dat1, EVENT_DATA_T dat2 )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+    U32 e = (U32)event;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_HD_EVENT;
+    msg.hdr.payloadLen = sizeof( U32 ) + sizeof( EVENT_DATA_T ) * 2;
+
+    memcpy( payloadPtr, &e, sizeof( U32 ) );
+    payloadPtr += sizeof( U32 );
+    memcpy( payloadPtr, &dat1, sizeof( EVENT_DATA_T ) );
+    payloadPtr += sizeof( EVENT_DATA_T );
+    memcpy( payloadPtr, &dat2, sizeof( EVENT_DATA_T ) );
+
+    // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_2_UI, ACK_REQUIRED );
+
+    return result;
+}
 
 /*********************************************************************//**
  * @brief
@@ -1025,7 +1060,7 @@
  * @param newValue parameter change event new data value
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL sendTreatmentLogEventData( EVENT_ID_T event, F32 oldValue, F32 newValue )
+BOOL sendTreatmentLogEventData( TX_EVENT_ID_T event, F32 oldValue, F32 newValue )
 {
     MESSAGE_T msg;
     U08 *payloadPtr = msg.payload;