Stephen Piper / Mbed 2 deprecated ECE4180_PROJECT_ROBOT

Initial Release

Dependencies:   MCP23S17 Motor SDFileSystem mbed-rtos mbed wave_player

Speaker.h

Committer:
EngineerGuy1GT
Date:
2017-12-06
Revision:
0:5be0a1cce3f6

File content as of revision 0:5be0a1cce3f6:

#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;
};