File content as of revision 4:9c99c243bc7c:

#include "mbed.h"
 
DigitalOut myled(LED1);
InterruptIn  button1(USER_BUTTON);
 
bool active = false;
int indicator = 0;
 
void BUTTON_ISR(){
    active = !active;
}
 
int main() {
    // Set up
    button1.mode(PullUp);
    button1.fall(&BUTTON_ISR);
    
    while(1){
        if(active == true){
            if (indicator == 0){
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                
                BUTTON_ISR();
                indicator = 1;
            }
            else{
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                myled = 1;
                wait(0.2); 
                myled = 0; 
                wait(0.2);
                
                BUTTON_ISR();
                indicator = 0;
            }
        }
        else{
            myled = 0;
        }
         
    __wfi();    //Wait for interruptions
    }
}