Guang Lu / Mbed 2 deprecated Tetris_GL

This is a remake of tetris game for mbed. Please see detail here http://developer.mbed.org/users/sucrelv/notebook/tetris-game-on-mbed

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

Speaker.h

Committer:
sucrelv
Date:
2014-10-21
Revision:
0:3b5e97ab5884

File content as of revision 0:3b5e97ab5884:

#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;
};