# Put this in /etc/udev/rules.d/70-libopencm3.rules # then do "sudo udevadm control --reload" and unplug/replug the usb device. # This grants user accesss to the "cafe" USB Vendor ID used/hijacked/squatted by the test gadget # libopencm hacking SUBSYSTEMS=="usb", ATTRS{idVendor}=="cafe", TAG+="uaccess"