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  Project:       1Sheeld Library 
  File:          KeyboardShield.cpp
  Version:       1.0
  Compiler:      Arduino avr-gcc 4.3.2
  Author:        Integreight
  Date:          2014.5
#define FROM_ONESHEELD_LIBRARY
#include "OneSheeld.h"
#include "KeyboardShield.h"
//Class Constructor
 KeyboardShield::KeyboardShield() : ShieldParent(KEYBOARD_ID)
	character=0;
	isCallBackAssigned=false;
char KeyboardShield::getCharacter()
	return character;
//Keyboard Input Data Processing 
void KeyboardShield::processData()
	//Checking Function-ID
	byte functionId=getOneSheeldInstance().getFunctionId();
	if (functionId==KEYBOARD_GET_CHAR)
		character=getOneSheeldInstance().getArgumentData(0)[0];
		//Users Function Invoked
		if(isCallBackAssigned && !isInACallback())
			enteringACallback();
			(*buttonChangeCallBack)(character);
			exitingACallback();
//Users Function Setter
void KeyboardShield::setOnButtonChange(void (*userFunction)(char data))
	buttonChangeCallBack=userFunction;
	isCallBackAssigned=true;

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