/*********
 * Filename:      EEPROM-Int-ReadWrite.pde
 * Description:   Example of implementation of an eeprom integer (2 byte) read/write function
 * Author:        Marc Vieira Cardinal
 * Creation Date: August 16, 2008
 * Revision Date: August 16, 2008
 */

#include <EEPROM.h> //Needed to access the eeprom read write functions

//This function will write a 2 byte integer to the eeprom at the specified address and address + 1
void EEPROMWriteInt(int p_address, int p_value)
	{
	byte lowByte = ((p_value >> 0) & 0xFF);
	byte highByte = ((p_value >> 8) & 0xFF);

	EEPROM.write(p_address, lowByte);
	EEPROM.write(p_address + 1, highByte);
	}

//This function will read a 2 byte integer from the eeprom at the specified address and address + 1
unsigned int EEPROMReadInt(int p_address)
	{
	byte lowByte = EEPROM.read(p_address);
	byte highByte = EEPROM.read(p_address + 1);

  	return ((lowByte << 0) & 0xFF) + ((highByte << 8) & 0xFF00);
	}

void setup()
	{
	Serial.begin(9600);
	
	EEPROMWriteInt(0, 0xABCD);
	
	Serial.print("Read the following int at the eeprom address 0: ");
	Serial.println(EEPROMReadInt(0), HEX);
	}

void loop()
	{
	}