Alright, I’ve given up after reading for endless hours on here. I have a RPi 2 running RetroPie, and can’t get the controller to work. I built my own controller using this USB Interface: http://www.jammaboards.com/store/pc-mame-ps3-to-arcade-controller-usb-interface-pcb-kit-pc2jamma-usb.html
No matter what I do I can’t get the RPi to recognize the controller at all. I’ve tried the setup within ES (say’s no gamepads detected), and the setup in RetroArch (outputs the same thing).
It seems like many have used these USB Adapters, any idea on why it might not be working?
Thank you!