yh Tang / MQTT_ON_AWS

USE YHTANG AWS ACCOUNT TO TEST MQTT

Dependencies:   MQTTPacket FP

Dependents:   NuMaker-mbed-AWS-IoT-example

MQTTmbed.h

Committer:
Jan Jongboom
Date:
2017-09-11
Revision:
50:c37c8236e84a
Parent:
48:187c6d4d7812
Child:
52:3f9919941b86

File content as of revision 50:c37c8236e84a:

#if !defined(MQTT_MBED_H)
#define MQTT_MBED_H

#include "mbed.h"

class Countdown
{
public:
    Countdown()
    {
        t = Timer();   
    }
    
    Countdown(int ms)
    {
        t = Timer();
        countdown_ms(ms);   
    }
    
    
    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