Building for XR809

Get XR809 SDK: https://github.com/openshwprojects/OpenXR809

Checkout this repository to openxr809/project/oxr_sharedApp/shared/

Run ./build_oxr_sharedapp.sh

Flashing for XR809

Get USB to UART converter, start phoenixMC.exe from OpenXR809 repository and follow this guide: https://www.elektroda.com/rtvforum/topic3806769.html