There is an extension of well-know Smart Port library: https://www.rcgroups.com/forums/showthread.php?2245978-FrSky-S-Port-telemetry-library-easy-to-use-and-configurable
The goal of this project is giving INav users ability to do some custom functionality like ground stations etc
- Download and extract the core library from https://www.rcgroups.com/forums/showthread.php?2245978-FrSky-S-Port-telemetry-library-easy-to-use-and-configurable Also it is possible to extract this from dependency directory
- Add files from this folder
- Put everything to Arduino/libraries directory
- Run example