#include "mbed.h"

PwmOut sp(dp1);         //スピーカー出力
DigitalIn sw(dp15);    //スイッチ入力

void drm()
{
    sp = 1;
    wait(1.0/300);
    sp = 0;
    wait(1.0/300);
    sp = 1;
    
    wait(1.0/200);
    sp = 0;
    wait(1.0/200);
    sp = 1;
    
    wait(1.0/100);
    sp = 0;
    wait(1.0/100);
}

void niz()
{
    for(float p1 = 0.5; p1 >= 0.0 ; p1 -= 0.002) {
       
        sp = (int)( ((float)rand()/RAND_MAX/2)+p1 + 0.25);
        wait(1.0/10000);
        sp = (int)( ((float)rand()/RAND_MAX/2)+p1 + 0.25);
        wait(1.0/10000);
           
    }
}

int main() {
    sp.period(0.00001);
    while(1) {
        if( sw == 1 )
        {
            for( int i=0 ; i<3; i++ )
            {
                drm();
                wait(0.1);
                drm();
                wait(0.1);
                niz();
                wait(0.1);
                drm();
                wait(0.1);
            }
            drm();
            wait(0.05);
            niz();
            wait(0.05);
            drm();
            wait(0.2);
            niz();
            wait(0.1);
            drm();
            wait(0.5);
        }
    }
}