I no longer have the time or will to work on this project, if anyone is interested in continuing it please do so.
Calibration and RGB lighting software for Linux and OS X. Also sold as Logitech G Pro Flight X56
Currently working with these devices:
0738:a221 Mad Catz, Inc. (Throttle)
0738:2221 Mad Catz, Inc. (Joystick)
Packet Documentation: Complete
Command line program: In progress
GUI program: Will be started once the command line program is complete
Contributions are very welcome.