CHIRP

Serial comms are at 19200 baud, 8N1

The data is passed in variable length records

Record structure:

Offset Usage

0 start of record (\xda)

1 Command

2 direction (\xff PC-> Radio, \x00 Radio -> PC)

3 length of payload (excluding header/checksum) (n)

4 payload (n bytes)

4+n+1 checksum

Commands:

\x80 Start comms/Identify

\x81 End comms & Reboot

\x82 Config read

\x83 Config write

\x84 Read memory

\x85 Write memory)