File content as of revision 1:d8cc5013651e:

#include "mbed.h"
#include "rtos.h"
#include "wave_player.h"
#include "Speaker.h"
#include "uLCD_4DGL.h"

SDFileSystem sd(p5, p6, p7, p8, "sd"); // the pinout on the mbed Cool Components workshop board
wave_player waver(&DACout,&PWMout);
DigitalOut myled(LED1);
AnalogOut DACout(p20);
PwmOut Rgb(p23);
PwmOut rGb(p24);
PwmOut rgB(p25);
PwmOut PWMout(p21);

volatile bool game1 = false;
volatile bool game2 = false;

void thread2(void const *argument){

}

void thread3(void const *argument){
    FILE *wave_file;
    PWNout.period(1.0/400000.0);
    while (game1 == false && game2 == false){
        wave_file=fopen("/sd/placeholder.wav","r");
        waver.play(wave_file);
        fclose(wave_file);
    }
    while (game1 == true && game2 == false){
        wave_file=fopen("/sd/placeholder.wav","r");
        waver.play(wave_file);
        fclose(wave_file);
    }
    while (game2 == true && game1 == false){
        wave_file=fopen("/sd/placeholder.wav","r");
        waver.play(wave_file);
        fclose(wave_file);
    }
}

void thread4(void const *argument){
    while(1) {
        float x = 0.0;
        //get a new random number for PWM
        x = rand() / float(RAND_MAX);
        //add some exponential brightness scaling
        //for more of a fast flash effect
        x = x*x*x;
        Rgb = x;
        rGb = x * dim;
        rgB = x * dim;
        //fast update rate for welding flashes
        Thread::wait(20);
        //add a random pause between welds
        if (rand() / float(RAND_MAX) > 0.97) {
            Rgb = 0;
            rGb = 0;
            rgB = 0;
            Thread::wait(4000.0 * rand() / float(RAND_MAX));
        }
}
int main() {
    Thread thread2(thread2);
    Thread thread3(thread3);
    Thread thread4(thread4);
    while(1) {
        myled = 1;
        wait(0.2);
        myled = 0;
        wait(0.2);
    }
}