#include <Wire.h>
#include <Arduino.h>
#include <SparkFun_External_EEPROM.h>
#include "eeprom.hpp"

constexpr uint8_t ADDR = 0x50;
constexpr unsigned DELAY = 100;

static ExternalEEPROM mem;

static unsigned at = 0;

void eeprom::init() {
	Wire.setClock(400000);
	Wire.begin();
	mem.setMemoryType(1025);
	mem.begin();
}

unsigned eeprom::length() {
	return mem.length();
}

void eeprom::jump(unsigned loc) {
	at = loc;
}

void eeprom::read(char* data, unsigned len) {
	mem.read(at, data, len);
	at += len;
}

void eeprom::read(unsigned loc, char* data, unsigned len) {
	mem.read(loc, data, len);
}

void eeprom::write(unsigned loc, const char* data, unsigned len) {
	mem.write(loc, data, len);
}