TVZ2020
/
Diff: buzzer.h
- Revision:
- 0:f563386d7c59
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/buzzer.h Sun Feb 21 17:26:30 2021 +0000
@@ -0,0 +1,32 @@
+#ifndef MBED_BEEP_H
+#define MBED_BEEP_H
+
+#include "mbed.h"
+
+namespace mbed {
+
+/* Class: Beep
+ * A class which uses pwm to controle a beeper to generate sounds.
+ */
+class Beep {
+
+public:
+
+ Beep (PinName pin);//Specified PwmOut pin for buzzer
+
+/** Beep with given frequency and duration.
+ *
+ * @param frequency - the frequency of the tone in Hz
+ * @param time - the duration of the tone in seconds
+ */
+ void beep (float frequency, float time);
+
+ void nobeep();
+
+private :
+ PwmOut _pwm;
+ Timeout toff;
+};
+
+}
+#endif
\ No newline at end of file