Example program for calibrating the Microchip AR1100 
resistive touch screen controller from the Raspberry Pi (Raspbian)
Requires:
sudo apt-get install git make g++ libusb-1.0-0-dev libgtk2.0-dev

Installation:
- "cd" to the directory of the source code (this file) and type "make"
-code will compile
-sudo chmod +x AR1100

Execution:
Calibration with 9 points on the screen:
sudo ./AR1100 -c 9
You can calibrate with 4 or 25 points, 9 is the default
sudo ./AR1100 -m
switch the AR1100 to USB mouse mode
Combination:
sudo ./AR1100 -c 9 -m
Calibrate and switch to mouse mode

Debugging:
If you want more debugging info you can compile the code with:
make clean
make DEBUG=1