Ian Craggs / MQTT

Better timing

Dependencies:   FP MQTTPacket

Fork of MQTT by MQTT

MQTTmbed.h

Committer:
Jan Jongboom
Date:
2017-09-07
Revision:
48:187c6d4d7812
Parent:
47:f313853d22a6
Child:
50:c37c8236e84a

File content as of revision 48:187c6d4d7812:

#if !defined(MQTT_MBED_H)
#define MQTT_MBED_H

#include "mbed.h"

class Countdown
{
public:
    Countdown()
    {
        t = new Timer();
    }

    Countdown(int ms)
    {
        t = new Timer();
        countdown_ms(ms);
    }

    ~Countdown()
    {
        delete t;
    }

    bool expired()
    {
        return t->read_ms() >= interval_end_ms;
    }

    void countdown_ms(unsigned long ms)
    {
        t->stop();
        interval_end_ms = ms;
        t->reset();
        t->start();
    }

    void countdown(int seconds)
    {
        countdown_ms((unsigned long)seconds * 1000L);
    }

    int left_ms()
    {
        return interval_end_ms - t->read_ms();
    }

private:
    Timer *t;
    unsigned long interval_end_ms;
};

#endif