The BeagleTouch's touchscreen comes pre-calibrated from the factory. If you'd like to adjust the calibration for what ever reason, use the built-in calibration application through a terminal program using the following steps.

Angstrom Touchscreen Calibration

1. Attach the BeagleTouch module onto BeagleBoard
2. Connect a USB type-b mini cable to the BeagleTouch. This uses FTDI USB-serial drivers, so if you are using Windows, make sure you install the virtual comm port drivers.
3. Install putty terminal (Windows users)
4. Set you terminal to: 115200 baud, (no hardware flow control)
5. Power-on the device, wait for Linux to completely boot.
6. Login using:
1. username: root
2. pass: no password, just hit enter
7. Test the touchscreen calibration using this command:

                      root@beagleboard:~# ts_test

     8 . Recalibrate the touchscreen:

root@beagleboard:~# ts_calibrate

Android Touchscreen Calibration

1. Edit the calibration file on the operating system using the above output