Gamepad Test

My goal is to play some games on ESP32 hardware. One step to get there is create a test app to pair with existing game controllers. Classic (not the newest) ESP32 boards support Bluetooth Classic and BLE. ESP32-S3, C3, C6 for examples only support BLE. ESP32-P4 doesn't support wireless directly at all, it uses a C6 as a wireless coprocessor. Thus it's useful to see what controllers you can attach.…