File content as of revision 5:90f059fdc625:

#include "mbed.h"
PwmOut buzzer1(p21);
PwmOut buzzer2(p22);
bool go = true;


void Sound_Alarm()
{
float frequency[] = {262,0,262,0,262,0,349,0,523,0,466,0,440,0,392,0,698,0,523,0,466,0,440,0,392,0,698,0,523,0,466,0,440,0,466,0,392,0,/**/};
float beat[] = {.3,0,.3,0,.3,0,2,0,2,0,.3,0,.3,0,.3,0,2,0,1,0,.3,0,.3,0,.3,0,2,0,1,0,.3,0,.3,0,.3,0,2,0/**/};
float frequency2[] = {262,0,262,0,294,0,294,0,466,0,440,0,392,0,349,0,349,0,392,0,440,0,392,0,294,0,330,0,523,0,523,0,698,0,622,0,554,0,523,0,466,0,415,0,392,0,349,0,523,0};
float beat2[] = {.75,0,.25,0,1.5,0,.5,0,.5,0,.5,0,.5,0,.5,0,.3,0,.3,0,.3,0,1,0,.5,0,1,0,.75,0,.25,0,1,0,.5,0,1,0,.5,0,1,0,.5,0,1,0,.5,0,4,0};

    while(go)
    {
        for(int i=0; i<= 37;i++)
        {
            buzzer1.period(2/(frequency[i]));
            buzzer2.period(2/(frequency[i]));
            buzzer1 = 0.5;
            buzzer2 = 0.5;
            
            wait(0.4*beat[i]); 
            if(beat[i]==0)
            {wait(.05);}
          
        }
        
        for(int i=0; i<= 49;i++)
        {
            buzzer1.period(2/(frequency2[i]));
            buzzer2.period(2/(frequency2[i]));
            buzzer1 = 0.5;
            buzzer2 = 0.5;
            
            wait(0.4*beat2[i]); 
            if(beat2[i]==0)
            {wait(.05);}
          
        }
    }
        
    
}    

void turn_off()
{
    go = !go;    
}