Timeout

// TimeOut.h by Heiko Indenbirken

#ifndef _TIMEOUT_h
#define _TIMEOUT_h

#include "arduino.h"


class TimeOut
{
    unsigned ms;
    unsigned long overflow;

public:
    TimeOut (unsigned ms);

    inline operator bool () const { return millis() >= overflow; };

    void reset ();
    void reset (unsigned ms);

    bool hasOverflow ();

private:
    // No copy possible.
    TimeOut (const TimeOut &c);
};

#endif

//
// TimeOut class by Heiko Indenbirken
//

#include "TimeOut.h"

TimeOut::TimeOut (unsigned _ms)
    : ms (_ms), overflow (millis()+ms)
{
}

bool TimeOut::hasOverflow ()
{
    if (*this)
    {
        reset ();
        return true;
    }

    return false;
}

void TimeOut::reset ()
{
    overflow = millis () + ms;
}

void TimeOut::reset (unsigned _ms)
{
    ms = _ms;
    overflow = millis () + ms;
}