// Abtract base class for:

// Arduino DS3232RTC Library https://github.com/JChristensen/DS3232RTC

// and Arduino MCP79412RTC Library // https://github.com/JChristensen/MCP79412RTC

// Copyright (C) 2025 by Jack Christensen and licensed under

// GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html

//

// Allows a sketch to work with either type of RTC, can be determined at run time.

#ifndef GENERIC_RTC_H_INCLUDED

#define GENERIC_RTC_H_INCLUDED

#include <Arduino.h>

#include <TimeLib.h> // https://github.com/PaulStoffregen/Time

#include <Wire.h>

class GenericRTC

{

public:

GenericRTC(TwoWire& tw=Wire) : wire(tw) {};

virtual void begin() = 0;

virtual time_t get() = 0;

virtual uint8_t set(const time_t t) = 0;

virtual uint8_t writeRTC(const uint8_t addr, const uint8_t* values, const uint8_t nBytes) = 0;

virtual uint8_t writeRTC(const uint8_t addr, const uint8_t value) = 0;

virtual uint8_t readRTC(const uint8_t addr, uint8_t* values, const uint8_t nBytes) = 0;

virtual uint8_t readRTC(const uint8_t addr) = 0;

virtual int16_t temperature() {return 0;};

protected:

TwoWire& wire; // reference to Wire, Wire1, etc.

};

#endif