To work on this code in the standard Arduino code editor, rename `src` directory to `visca_controller`, then rename
`visca_controller.cpp` to `visca_controller.ino`

See Jetbrains post about using PlatformIO and CLion for doing Arduno development:

https://blog.jetbrains.com/clion/2020/08/arduino-from-hobby-to-prof-p1/