ECE 4180 / Mbed 2 deprecated 4180-L3-P4

Lab 3 Part 4

Dependencies:   mbed wave_player mbed-rtos 4DGL-uLCD-SE SDFileSystem

Speaker.h

Committer:
glanier9
Date:
2021-03-09
Revision:
16:f31b20cfeebc
Parent:
12:94b16c66c09a

File content as of revision 16:f31b20cfeebc:

#include "mbed.h"
// a 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;
};