This is the codebase provided for CIS541 - Homework MQTT.

Dependencies:   MQTT

Revision:
1:91e33a7fe0b5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MQTTmbed.h	Sat Oct 07 14:52:56 2017 +0000
@@ -0,0 +1,50 @@
+// 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
\ No newline at end of file