EepromExternalStorage.h

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// Copyright (C) Sven Rosvall (sven@rosvall.ie)
// This file is part of VLCB-Arduino project on https://github.com/SvenRosvall/VLCB-Arduino
// Licensed under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
// The full licence can be found at: http://creativecommons.org/licenses/by-nc-sa/4.0/
 
#pragma once
 
#include "Storage.h"
 
#include <Arduino.h>                // for definition of byte datatype
#include <Wire.h>
 
namespace VLCB
{
 
class EepromExternalStorage : public Storage
{
public:
  EepromExternalStorage(byte address);
  EepromExternalStorage(byte address, TwoWire *bus);
  virtual void begin(unsigned int size) override;
 
  virtual byte read(unsigned int eeaddress) override;
  virtual byte readBytes(unsigned int eeaddress, byte nbytes, byte dest[]) override;
  virtual void write(unsigned int eeaddress, byte data) override;
  virtual void writeBytes(unsigned int eeaddress, const byte src[], byte numbytes) override;
  virtual void reset() override;
 
private:
  byte external_address;
  TwoWire *I2Cbus;
};
 
}