Macdonald Nwabia / Mbed 2 deprecated ElderPlus_SecuritySystem

2nd year embedded systems project

Dependencies:   mbed C12832

Door_1_Docs/Speaker.h

Committer:
nwabiam
Date:
2020-12-15
Revision:
1:9d7c34bfe43e

File content as of revision 1:9d7c34bfe43e:

#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;
};