Debugging gaming pads on Linux
While running https://github.com/fhoedemakers/pico-infonesPlus, I found that my SNES gaming pad was not fully supported. Specifically the UP DOWN and LEFT RIGHT keys were not working. Let's debug this a bit: Plug in the gaming pad on a Linux box and run the following command (hidraw5 will need to be changed as needed): $ sudo hexdump -C /dev/hidraw5 ... 00004a50 01 80 80 7f 7f 0f 00 00 01 80 80 7f 00 0f 00 00 |................| 00004a60 01 80 80 7f 00 0f 00 00 01 80 80 7f 00 0f 00 00 |................| * 00004a80 01 80 80 7f 7f 0f 00 00 01 80 80 7f 7f 0f 00 00 |................| This is what I see when pressing the UP key. ...