File content as of revision 11:418a4437a693:

#include "mbed.h"
#include "rtos.h"
#include "wave_player.h"
#include "SDFileSystem.h"

PwmOut myservo(p21);
DigitalIn pb1 (p20);
//AnalogIn linpot(p20);
Serial pc(USBTX, USBRX);
//DigitalOut myled(LED1);
SDFileSystem sd(p5, p6, p7, p8, "sd"); //SD card
AnalogOut DACout(p26);
wave_player waver(&DACout);

// add start, mode, reset buttons
int start = 0;
int submit = 0;

// FUNCTIONS

void moveServoIn(PwmOut servo, DigitalIn pb)
{
    while(pb == 1)
        //myled = 1;
        // rotate 90 degrees one way
        for(int i=3; i<=7; i++) {
            servo = i/100.0;
            wait(0.01);
        }
}

void moveServoOut(PwmOut servo, DigitalIn pb)
{
    while(pb == 1)
        //myled = 0;
        for(int i=7; i>3; i--) {
            servo = i/100.0;
            wait(0.01);
        }
}

void playSound(wave_player waver)
{
    FILE *wave_file;
    wave_file=fopen("/sd/police_siren.wav","r");
    waver.play(wave_file);
    fclose(wave_file);
}


// THREADS


void button_thread()
{

}

void submit_thread()
{

}

void start_thread()
{
    // read pb_start
    // if 1
    start == 1;
    // else 0
}

int main()
{
    // SETUP
    // button up: state = 0, button halfway: state = 1; button down: state = 2
    int state = 2;
    // pull up the pushbutton to prevent bouncing
    pb1.mode(PullUp);
    wait(.001);
    // servo begins at 30 degrees
    for(int i=0; i<=3; i++) {
        myservo = i/100.0;
        wait(0.01);
    }

    // MAIN THREAD
    while(true) {

        // start threads for reset, mode, start
        Thread t1(start_thread);

        // setup SDcard and Speaker


        // when started
        while (start == 0) {}
        Thread t2(button_thread);
        Thread t3(submit_thread);

        // when submitted
        while (submit == 0) {}
                

        // start button threads and submit thread
        // if submit close button threads and submit thread
        // check result, speaker result
        // save results




        // Servo code
        if (pb1 == 1 && state == 2) {
            moveServoIn(myservo, pb1);
            state = 1;
        }
        // rotate 90 degrees other way
        if (pb1 == 1 && state == 1) {
            moveServoOut(myservo, pb1);
            state = 2;
        }

        // SD card code

        // speaker code

        // read linear potentiometer
        //if (linpot < 0.5) {
        //float potval = linpot;
        //pc.printf("linear pot: %f\n", potval);
    }
}