File content as of revision 2:4eff114c7219:

#include "mbed.h"

DigitalOut myled(LED1);

DigitalIn mySwitch(p7);

DigitalOut yellowLed(p5);

DigitalOut redLed(p6);

int switchState = 0;

void BlinkYellowLed()
{
    yellowLed =1;
    wait(0.5);
    yellowLed = 0;
    wait(0.5);
    
    }
    

int main() {
    printf("Start program \n");
    printf("Initialize yellow Led to on \n");
     yellowLed = 1; 
    redLed= 0;
     switchState = 0;
     
    while(1) { 
     printf("Entered Loop \n");
     
  
    printf("Value of my switch %d\n", mySwitch.read());
     printf("Switch state  %d\n", switchState);
     
    if(mySwitch == 1)
    {
        printf("Value of my switch %d\n", mySwitch.read());
        
        yellowLed = 0;
       wait(0.5);
        
        if(switchState == 0)
            {
        
            for(int i =0; i<5; i++)
                {
                    BlinkYellowLed();
            
                    }
        
            yellowLed = 0;
            switchState = 1;
        
          
            }    
      
        else
            {
                yellowLed = 0;
                switchState = 1;
            }
        
            
    }
    else
    {
        yellowLed = 1;
        switchState = 1;
    }
    
    wait_ms(500);
    }
}