*(unsigned long *)ucMsgData = 0;
sCANMessage.ulMsgID = 1; // CAN message ID - use 1
sCANMessage.ulMsgIDMask = 0; // no mask needed for TX
sCANMessage.ulFlags = MSG_OBJ_TX_INT_ENABLE; // enable interrupt on TX
sCANMessage.ulMsgLen = sizeof(ucMsgData); // size of message is 4
sCANMessage.pucMsgData = ucMsgData; // ptr to message content