Arduino + Ethernet + LCD = XBMC Remote Dispaly and Control

Hey together

Iam new to Arduino and would like to create and project

my Hardware:

  • Arduino Uno
  • Ethernet Shield
  • DFRobot 16x2 LCD Keypad Shield

I want to use the Arduino as Remote Now Playing Display for my XBMC (running on Raspberry Pi) and control (Play/Pause Back/Forward (Up/Down) using the buttons on the LCD Keypad shield.

But i dont know how to do

http://playground.arduino.cc/Code/AnalogButtons
http://arduino.cc/en/reference/ethernet
http://wiki.xbmc.org/index.php?title=JSON_RPC