int  count =0;
int laststate = HIGH;

void setup() {
  Serial.begin(115200);
  for (int pin=13; pin >=8; pin--){
     pinMode(pin, OUTPUT);
  }
     pinMode(4, INPUT);
  }

    ///////////// end loop

void loop() {
  int sw=digitalRead(4);
  if (laststate !=sw){
    laststate    =sw;
    if (sw==HIGH){

    }
    if (sw ==LOW){
      count ++;
      Serial.println(count);
      delay(1000);
    }
  }
  if (count ==1){
      hled();
  }
else if (count ==2){
      lled() ;
  }
else if( count==3){
  }
else if (count==4){
  }
  else{ nled(3);}
    
   
  
}   ///////////// end loop





///////////function

///name
void hled(){
  for(int y =13;  y>=8; y--){
    digitalWrite( y, HIGH);
    delay(500);
  }
}///////////////end

///name
void lled () {
for(int y=13; y>=8; y--){
  digitalWrite( y, LOW);
 }
   delay(500);
}//////////////////end

///name
void nled (int n){
  int led = 14;
  int num;
     num = led -n;
  for (int y = 13; y >=num; y--){
    digitalWrite(y, HIGH);
  }
  delay(500);
}//////////////////end

///////////////////////ส่งค่ากลับ

int sum (int x,int y){
  int result =0;
  result = x + y;
  return  result;
}