#include <Wire.h>
#include "AT24CXX.h"

#define EEPROM_I2C_ADDRESS 0x57

AT24C64 at24c64;

void setup()
{
  Wire.begin();
  pinMode(8, OUTPUT);
  pinMode(12, OUTPUT);
  digitalWrite(8, HIGH); // Write protect test
  digitalWrite(12, LOW);

  Serial.begin(9600);

  at24c64.begin(EEPROM_I2C_ADDRESS);

  // --- Example 1: Write and Read a 4-byte integer (uint32_t) ---

  uint32_t data = 0xAE962B61;
  // Write the uint32_t by casting it to a byte array and specifying 4 bytes length
  at24c64.write(4000, (byte*)&data, sizeof(data));

  // To read the integer back, we must read 4 bytes into a temporary buffer
  // and reconstruct the uint32_t. The library's 'read' function is used for this.

  uint32_t readData;
  // Read 4 bytes from address 4000 into the memory location of readData
  at24c64.read(4000, (byte*)&readData, sizeof(readData));

  Serial.print("Read integer: 0x");
  Serial.println(readData, HEX);

  // --- Example 2: Write and Read a string ---
  char *str = "abcdefghijklmnopqrstuvwxyz0123456789";
  char strR[strlen(str)+1]; // Ensure the buffer size is correct

  at24c64.write(50,(byte*)str,strlen(str)+1);
  at24c64.read(50,(byte*)strR,strlen(str)+1);
  Serial.print("Read string: ");
  Serial.println(strR);

  Serial.print("Comparison result (0 means identical): ");
  Serial.println(strcmp(str,strR));
}

void loop()
{

}