Put the file 99-hid.rules in /etc/udev/rules.d to allow your HID devices to be world readable.
This is a security choice you need to make for yourself. Don't get mad at me if someone starts streaming your keypresses over the internets. You've been warned.
You may need a bunch of libusb type packages installed. I'll figure that out on a clean install.
In the /rules directory are 30 scripts. The X.sh script fires for key down, and key up (I think), and X-long.sh fires for key presses (after release of the key) of 500ms or longer.
Still working out firing too many events, may change this.
The rules dir is hardcoded to my GOPATH/project directory. Fork it for now.
MIT