Hung Nguyen / Mbed OS CIS541-HW-MQTT

This is the codebase provided for CIS541 - Homework MQTT.

Dependencies:   MQTT

MQTTmbed.h

Committer:
hungnguyenm
Date:
2017-10-07
Revision:
1:91e33a7fe0b5

File content as of revision 1:91e33a7fe0b5:

// hot fix for NonCopyable error
// @Hung Nguyen

#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