* Send a message. * Waits for the firmware to acknowlge and resends the packet * a few timew if not acknowledged. * @param m The message to send * @th

* Set the payload of this message. Modifies the length of the * message as necessary, as per setPayloadLength. * @see Message::setPayloadLength() * @

* Changes the payload length of the packet. * Does not update packet len/~len fields or the checksum. Call * makeValid() to update these fields. * @p

* Copy the complete raw content of this message to a buffer. * @param buf The buffer to copy to * @param buf_size The maximum length of buf * @

* Fetch a message, blocking if there are no messages currently available. * @param timeout Maximum time to block, in seconds. * Act

/////////////////////////////////////////////////////////////////////////// Destructor