mhsw-espurna/code/espurna/libs/BasePin.h

/*

Part of BUTTON module

Copyright (C) 2020 by Maxim Prokhorov <prokhorov dot max at outlook dot com>

*/

#pragma once

#include <cstdint>
#include "config/types.h"

// base interface for generic pin handler. 
struct BasePin {
    BasePin(unsigned char pin) :
        pin(pin)
    {}

    virtual operator bool() {
        return GPIO_NONE != pin;
    }

    virtual void pinMode(int8_t mode) = 0;
    virtual void digitalWrite(int8_t val) = 0;
    virtual int digitalRead() = 0;

    const unsigned char pin;
};