//Defines to shorten print statements
#define mp(x) Serial1.print(F(x))
#define mpl(x) Serial1.println(F(x))
#define sp(x) Serial1.print(x)
#define spl(x) Serial1.println(x) 

#define debug(P1,P2) mp(P1);spl(P2);
//extern "C" uint8_t _EEPROM_start;

#define  FLASH_SECTOR_SIZE 4096
#include "EEPROM.h";
uint8_t _EEPROM_start = PICO_FLASH_SIZE_BYTES/FLASH_SECTOR_SIZE -2;

void setup() {
  // put your setup code here, to run once:
  Serial1.begin(115200);
  Serial1.println("Hello, Raspberry Pi Pico!");
  pinMode(4,OUTPUT);
  pinMode(5, INPUT_PULLUP);

  debug("PICO_FLASH_SIZE_BYTES ",PICO_FLASH_SIZE_BYTES);
  debug("EEPROM Length:",EEPROM.length());
  debug("Flash sectors:",PICO_FLASH_SIZE_BYTES/FLASH_SECTOR_SIZE);


  EEPROM.begin(512);
  debug("After begin EEPROM Length:",EEPROM.length());
  
  // start reading from the first byte (address 0) of the EEPROM
int address = 0;
byte value;

  // write a 0 to all 512 bytes of the EEPROM
  for (int i = 0; i < 512; i++) {
    value = EEPROM.read(address);
  if (i % 8 == 0) {
    Serial1.print("\n");
    Serial1.print(address,HEX);
    Serial1.print("\t");
  }
  Serial1.print(value, HEX);
  Serial1.print(" ");
  address++;
}
mpl("Read completed");
/*
  // write a 0 to all 512 bytes of the EEPROM
  for (int i = 0; i < 512; i++) {
    EEPROM.write(i, 0);
  }
  mpl("Write completed");
*/

  // turn the LED on when we're done
  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);
  EEPROM.end();
  
}

void loop() {
  
  /* e here, to run repeatedly:
  bool state = 0;
  delay(10); // this speeds up the simulation

  digitalWrite(4,HIGH);
  delay(100);
  digitalWrite(4,LOW);
  delay(200);
  mp("Pin 4 State:");
  //state = digitalRead(4);
  spl(state);
 
  
  state = digitalRead(5);
   mp("Pin 5 State:");
  spl(state);
  */
  delay(500);

}