pub fn crc_extra(msgid: u32) -> Option<u8>Expand description
Returns the CRC_EXTRA for a common-dialect message id, if known.
A Parser or Frame::parse_with uses this to validate the
checksum of a frame off the wire, so traffic from a real autopilot is checked even for
messages this crate does not type.
§Arguments
msgid- the message id to look up.
§Returns
The CRC_EXTRA seed, or None if the id is not in the table.