jim hamblen / Mbed 2 deprecated appbd_edmaker

Executive decision maker for the mbed NXP1768 Application board. Ask a question, and press the center joystick button. Uses a pushbutton, PWM speaker, mbed LEDs, RGB LED, LCD, and the C rand function.

Dependencies:   C12832_lcd LCD_fonts PinDetect mbed

Speaker.h

Committer:
4180_1
Date:
2015-02-03
Revision:
0:af96f6744422

File content as of revision 0:af96f6744422:

#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;
};