i build my GIMX adaptor with these :
https://translate.google.com/translate? ... micro.html
https://translate.google.com/translate? ... l2303.html.
i load EMUPS4->atmega32u4.hex with arduino builder 1.0.13 and i get a screen.
then i try to use the Adapter i connect Micro Usb to PS4 and the Usb to the Pc then Start
i get "failed to read packet header from the GIMX adapter"
first

then
