Bluetooth

Dependencies:   4DGL-uLCD-SE mbed MMA8452 PinDetect SDFileSystem wave_player

Speaker.h

Committer:
jwalker366
Date:
22 months ago
Revision:
3:2499b6bda80f

File content as of revision 3:2499b6bda80f:

#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