int val = 0;
int buttonPin = 3;
int LEDstate = 0;
int lightVal = 0;
int lightPin = A0;
int luxVal = 0;
int LEDpin = 4;

unsigned long milliTime = 0;
extern volatile unsigned long timer0_millis;

void setup() {

  Serial.begin(9600);
  
pinMode(buttonPin, INPUT);
digitalWrite(buttonPin, LOW);
  
  pinMode(LEDpin, OUTPUT);
  
  
  // put your setup code here, to run once:

}

void loop() 
{
  // put your main code here, to run repeatedly:

unsigned long milliTimeStart = millis();
int ToggleLEDFast = 0;
int ToggleLEDSlow = 0;

while(digitalRead(buttonPin) == 1)
{
digitalWrite(LEDpin, HIGH);
Serial.println("Button is not pressed");
}





while (digitalRead(buttonPin) == 0)


{

milliTime = millis() - milliTimeStart;
Serial.println("Button is Pressed");
Serial.println(milliTime);

}
  




if(milliTime < 2000 || (ToggleLEDSlow == 1)  )
{
  ToggleLEDSlow = 1;
  while (ToggleLEDSlow == 1)
  {
    
 digitalWrite(LEDpin, LOW);
  milliTime = 0;
  

noInterrupts ();
timer0_millis = 0;
interrupts ();
milliTime =millis();
delay(100);

if(digitalRead(buttonPin)==0)
{
  ToggleLEDSlow =0;
  digitalWrite(LEDpin, HIGH);

  if ((milliTime <= 1000) && (milliTime >= 2000))
  {
    
    ToggleLEDFast =1;
  
  }
}

  

  delay(1000);

  digitalWrite(LEDpin,HIGH);
   delay(1000);
  



  }
 
  
}


 
 if((milliTime > 2000)||(ToggleLEDFast == 1) )
{
  ToggleLEDFast = 1;
  while (ToggleLEDFast == 1)
  {
digitalWrite(LEDpin, LOW);
milliTime = 0;


noInterrupts ();
timer0_millis = 0;
interrupts ();
milliTime =millis();
 
delay(250);

if(digitalRead(buttonPin)==0)
{
  ToggleLEDFast = 0;
  digitalWrite(LEDpin, HIGH);

  if(milliTime <= 1000 && milliTime <= 2000)
{
ToggleLEDSlow = 1;
digitalWrite(LEDpin,HIGH);

}
}



delay(250);

  digitalWrite(LEDpin,HIGH);
   delay(250);
  
  
  

  

  }
 
  
}


 
  
}


 /*
 if(milliTime < 2000 )
{
  ToggleLEDFast = 1;
  while (ToggleLEDFast == 1)
  {
digitalWrite(LEDpin, LOW);
millis(500);
  digitalWrite(LEDpin,HIGH);

  if(milliTime < 2000 && val == 0)
  {
    ToggleLEDFast = 0;
  }

  }
 
}

*/