evtest, tool for input event testing

evtest is a open source tool that can be used for testing the USB HID class drivers and any other drivers based on event framework . Its an event device test program. It helps in seeing the event layer events that a USB HID device like a USB keyboard or a USB mouse or a keypad or a touchscreen might be generating. Thus it can be used to test USB HID(USB Mouse and USB keyboard),keypad and touchscreen modules.

Supports-

• Detection of USB mouse movements, left button click, right button click, middle button click, wheeling.
• Detection of keys pressed on USB keyboard .Value of key pressed appears on the serial console.
• Detection of keys pressed on keypad.Value of key pressed appears on the serial console.
• Detection of pressure values on touching the touchscreen.

reference:

• Texas Instruments Wiki - Evtest
• wiki.edubuntu.org - DebuggingTouchpadDetection/evtest

To install evtest, enter:
$ sudo apt-get install evtest