CHEE CHENG LIM / Mbed 2 deprecated Chumbaka_backup

Chumbaka

Dependencies:   Servo mbed Chumbaka_backup

Dependents:   Chumbaka_backup

Fork of Servo_HelloWorld by Simon Ford

Speaker/Speaker.h

Committer:
limcheecheng
Date:
2014-09-26
Revision:
7:5a56972596b9
Parent:
5:805d37469e22

File content as of revision 7:5a56972596b9:

#include "mbed.h"
// new class to play a note on Speaker based on PwmOut class
class Speaker
{
public:
    Speaker(PinName pin) : _pin(pin) {
// _pin(pin) means pass pin to the Speaker Constructor
    }
// class method to play a note based on PwmOut class
    void PlayNote(float frequency, float duration, float volume) {
        _pin.period(1.0/frequency);
        _pin = volume/2.0;
        wait(duration);
        _pin = 0.0;
    }

private:
    PwmOut _pin;
};