FakeMsTimer

FakeMsTimer.cpp

#include <Arduino.h>
#include "FakeMsTimer.h"

namespace FakeMsTimer
{
uint32_t _milliseconds = 0;
uint32_t _counter = 0;
bool _started = false;
void (*func)() = nullptr;

uint32_t _lastMillis;

void set(uint32_t milliseconds, void (*f)())
{
    _milliseconds = milliseconds;
    func = f;
}

void start()
{   
    _counter = 0;
    _started = true;
}

void stop()
{
    _counter = 0;
    _started = false;
}

void fakeTick()
{
    if (!_started) {
        return;
    }

    const uint32_t now = millis();

    if (_lastMillis == 0) {
        _lastMillis = now;
    }
    const uint32_t delta = millis() - _lastMillis;
    
    _lastMillis = now;
    _counter += delta;

    if (_counter >= _milliseconds) {
        if (func) {
            func();
        }
        _counter = 0;
    }
}

}

FakeMsTimer.h

#pragma once
#include <stdint.h>

// ニセMSTimer2
namespace FakeMsTimer
{
extern void set(uint32_t milliseconds, void (*f)());
extern void start();
extern void stop();  

extern void fakeTick();
};