Builds a v2 frame carrying a message the common dialect defines.
The seed is looked up rather than passed, which is the usual case: a sender emitting a standard message should not have to know its checksum constant.
The addressing fields to stamp on the frame.
The message id.
The message payload.
The frame ready to send.
If the id is outside the common dialect, in which case build the frame with MavlinkFrame.raw and a seed of your own.
Builds a v2 frame carrying a message the common dialect defines.
The seed is looked up rather than passed, which is the usual case: a sender emitting a standard message should not have to know its checksum constant.