LICENCE

/**
   JoystickShield - Arduino Library for JoystickShield (http://hardwarefun.com/projects/joystick-shield)

   Copyright 2011  Sudar Muthu  (email : sudar@sudarmuthu.com)
 *
 * ----------------------------------------------------------------------------
 * "THE BEER-WARE LICENSE" (Revision 42):
 * <sudar@sudarmuthu.com> wrote this file. As long as you retain this notice you
 * can do whatever you want with this stuff. If we meet some day, and you think
 * this stuff is worth it, you can buy me a beer or coffee in return - Sudar
 * ----------------------------------------------------------------------------
  * 2014 edit by Markus Mücke, muecke.ma(a)gmail.com
  * Changes for JoysikShield V1.2
  * added a function to read the amplitude of the joystick
  * added a auto calibrate function for 3.3V and 5V mode
  *
  * Added functions:
  *  Functions for F and E Button
  *  Calibrate Joystick
  *  xAmplitude
  *  yAmplitude
  */