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Assuming you have Visual Studio Code and platformio installed

Windows Prerequisite

Install mingw-w64 from

In the windows search bar type env and select Edit the system environment variables

Click the Environment Variables... button and in the System variables section double-click Path and click New then paste C:\Program Files (x86)\mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0\mingw32\bin. This path may be different on your system, but it is the path that mingw-w64 was installed to previously.

Running the tests

In VSCode with the ExpressLRS project open, click on the New Terminal button in the status bar

Ensure the native platform is installed by entering pio platform install native in the terminal window.

Now you can enter pio test -e native to run the tests.

It also possible to use the pio module and select native/Advanced/Test in the target selection list.