The above link has code and instructions for conducting an Evtest.
Evtest is an open source tool, that can be used to test several different HID drivers and devices such as mouse, keyboard, joystick, touchpad.
Evtest can enable a user to test a particular HID device on beagle board.
It enables an user to test a particular HID device thoroughly such as testing all the keys of a USB keyboard or testing all the axes of a USB mouse.
Instructions regarding how to execute and use Ev test are on this link:
In the IRC channel # beagle, IRC nicks super, and prpplague were discussing about it.
The discussion thread can be found at: