Tea Pack
Simple tool for PWM piezo speaker
Diff: Piezo.h
- Revision:
- 0:39de01daa2de
- Child:
- 1:220d39711dc6
diff -r 000000000000 -r 39de01daa2de Piezo.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Piezo.h Sat Oct 01 19:09:55 2016 +0000
@@ -0,0 +1,35 @@
+#ifndef PIEZO
+#define PIEZO
+
+#include "mbed.h"
+
+class Piezo{
+
+public:
+ Piezo(PinName Pwmout);
+
+ void play(float, int);
+ void playAsync(float, int);
+
+ //void setFrequency(int Hz);
+ //void setDuration(int time_ms);
+ void stop();
+
+private:
+ PwmOut _pwm;
+ Ticker _timer;
+ Ticker _updater;
+
+ float Period;
+
+ float min_freq;
+ float max_freq;
+
+ int Duration;
+ void autoStop();
+
+ float stepMultiplier;
+
+};
+
+#endif
\ No newline at end of file