for blink

gistfile1.cpp

#include "mbed.h"

DigitalOut led1(LED1);
DigitalOut led2(LED2);

int main() {
     int i = 0;

     while(1) {
         for( i = 0 ; i < 4 ; i++ ) {
             led1 = !led1;
             wait(0.5);
         } 
         for( i = 0 ; i < 4 ; i++ ) {
             led2 = !led2;
             wait(0.5);
         }
     }
}