Arthur Semjonov / Mbed 2 deprecated Cosc4290_Song_demo

Uses 2 Potentiometers on the app-board to control red and green LED. Blue LED is controlled by using Up and Down buttons on the joystick. When Joystick is pressed down, the song will be played.

Dependencies:   mbed

Fork of app-board-RGB by Chris Styles

songs.cpp

Committer:
ArthurSemjonov
Date:
2014-02-12
Revision:
1:4a2a53bbc623

File content as of revision 1:4a2a53bbc623:

/*
 * song.cpp
 *
 *  Created on: Feb 11, 2014
 *      Author: Artur Semjonov
 */

#include "mbed.h"
#include "songs.h"


PwmOut speaker(p26);
DigitalIn off(p14); // middle joystick used to turn off the song
Songs::Songs() {}

void Songs::songOfMyPeople(float frequency[], float beat[])
{
   while(1) { //run infinetly unless interupted
        for (int i=0; i<=8; i++) {
            speaker.period(1/(2*frequency[i])); // set PWM period
            speaker=0.5; // set duty cycle
            wait(0.4*beat[i]);
            if (off) {
                speaker = 0; //reset speaker duty cycle
                wait(2);     //delay for inferior humans
                return; 
            }
        }
        speaker = 0;
        wait(0.25);
    }
}