Alexandre Bernal
/
MQTT
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Diff: MQTT_mbed.h
- Revision:
- 29:833386b16f3e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MQTT_mbed.h Tue May 20 15:03:29 2014 +0000
@@ -0,0 +1,49 @@
+#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(int ms)
+ {
+ t.stop();
+ interval_end_ms = ms;
+ t.reset();
+ t.start();
+ }
+
+ void countdown(int seconds)
+ {
+ countdown_ms(seconds * 1000);
+ }
+
+ int left_ms()
+ {
+ return interval_end_ms - t.read_ms();
+ }
+
+private:
+ Timer t;
+ int interval_end_ms;
+};
+
+#endif
\ No newline at end of file