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Dependencies:   4DGL-uLCD-SE PinDetect mbed

Speaker.h

Committer:
jwalker366
Date:
2021-11-30
Revision:
0:09b7e6aa75a9

File content as of revision 0:09b7e6aa75a9:

#ifndef SPEAKER_H
#define SPEAKER_H
#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;
};
#endif