int k;
int dd=25;
void setup() {
  // put your setup code here, to run once:
  DDRA = B11111111;
  pinMode(2, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
 /*for(k=0; k<255; k++)
  {
    analogWrite(2,k);
    delay(10);
  }

  if (k==255)
  {k=0;}
*/

analogWrite(2, 10);
delay(500);
analogWrite(2, 255);
delay(500);

/*
  PORTA=B00001000; delay(dd);
  PORTA=B00000100; delay(dd);
  PORTA=B00000010; delay(dd);
  PORTA=B00000001; delay(dd);
  delay(2000);
*/
  /*for (k=0;k<12;k++)
  {
  PORTA=B00000001; delay(dd);
  PORTA=B00000010; delay(dd);
  PORTA=B00000100; delay(dd);
  PORTA=B00001000; delay(dd);
  }
   PORTA=B00000001; delay(dd);
   PORTA=B00000010; delay(dd);
   PORTA=B00000110; delay(dd);
  delay(2000);
  PORTA=B00000100; delay(dd);
  PORTA=B00001100; delay(dd);
  // PORTA=B00001000; delay(25);
  // PORTA=B00000001; delay(25);
   // PORTA=B00001000; delay(25);
*/
  
  
}