Index: MessageSupport.c
===================================================================
diff -u -r706d450e92a86b9751fccce9e71aa0080798ea01 -r343d278eb0278c79e00dee6151fb9ef21d2fda9c
--- MessageSupport.c	(.../MessageSupport.c)	(revision 706d450e92a86b9751fccce9e71aa0080798ea01)
+++ MessageSupport.c	(.../MessageSupport.c)	(revision 343d278eb0278c79e00dee6151fb9ef21d2fda9c)
@@ -1,4 +1,5 @@
 
+#include "MessageSupport.h"
 #include "SystemCommMessages.h"
 #include "Utilities.h"
 
@@ -12,9 +13,9 @@
 
 /*********************************************************************//**
  * @brief
- * The broadcastData function broadcasts data.
+ * The broadcastData function queues a broadcast message for transmission.
  * @details Inputs: none
- * @details Outputs: load cell data msg constructed and queued
+ * @details Outputs: broadcast data msg constructed and queued
  * @param msgID message ID of the data is broadcast
  * @param buffer comm buffer ID
  * @param dataPtr pointer to the start of the buffer
@@ -32,7 +33,10 @@
     msg.hdr.msgID = msgID;
     msg.hdr.payloadLen = length;
 
-    memcpy( payloadPtr, dataPtr, length );
+    if ( ( length > 0 ) && ( dataPtr != 0 ) )
+    {
+        memcpy( payloadPtr, dataPtr, length );
+    }
 
     // serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
     result = serializeMessage( msg, buffer, ACK_NOT_REQUIRED );