Arduino read 24AA02E48 (I2C MAC)

//   Arduino read 24AA02E48 (I2C MAC)

//  NETESTOVANO   !!!

#define I2C_ADDRESS 0x50
#include <Wire.h>

static uint8_t mac[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

void setup() {
 Wire.begin();        // join i2c bus (address optional for master)
 Serial.begin(9600);  // start serial for output

 mac[0] = readRegister(0xFA);
 mac[1] = readRegister(0xFB);
 mac[2] = readRegister(0xFC);
 mac[3] = readRegister(0xFD);
 mac[4] = readRegister(0xFE);
 mac[5] = readRegister(0xFF);
}

void loop() {
}

byte readRegister(byte r) {
 unsigned char v;
 Wire.beginTransmission(I2C_ADDRESS);
 Wire.write(r);  // register to read
 Wire.endTransmission();

 Wire.requestFrom(I2C_ADDRESS, 1); // read a byte
 while (!Wire.available())  {
   // waiting
 }
 v = Wire.read();
 return v;
}