/*
Name: Indervir Rai
Program Name: Button Changes Patterns With DDRB
Date: 2025-03-17
Program full description: Use DDRB and PORTB to write to the port in ONE LINE
*/





int buttonPIN = 7; // the button is connected to pin 7


int patternNumber = 0;
int patternDelay = 100;  



void setup() {
  DDRB = B111111; // Numbers 13-8 repersented by 1 for HIGH and 0 for LOW

  pinMode(buttonPIN, INPUT_PULLUP); /* sets pin to high voltage, and will
                                      go to a low voltage when pressed*/

}

void loop() {

  int buttonVa1 = digitalRead(buttonPIN); // read state of button

  if (patternNumber == 0) //
  {
    PORTB = B001111;
    delay(patternDelay);
    PORTB = B011111;
    delay(patternDelay);
    PORTB = B111111;
    delay(patternDelay);
  } // closes pattern 0
  else if (patternNumber == 1) //
  {
    PORTB = B110111;
    delay(patternDelay);
    PORTB = B101111;
    delay(patternDelay);
    PORTB = B011111;
    delay(patternDelay);
  } // close pattern 1
  else if (patternNumber == 2) //
  {
    PORTB = B100111;
    delay(patternDelay);
    PORTB = B010111;
    delay(patternDelay);
    PORTB = B001111;
    delay(patternDelay);
  } // close pattern 2
    else if (patternNumber == 3) //
  {
    PORTB = B100111;
    delay(patternDelay);
    PORTB = B110111;
    delay(patternDelay);
    PORTB = B111111;
    delay(patternDelay);
  } // close pattern 3
    else if (patternNumber == 4) //
  {
    PORTB = B011111;
    delay(patternDelay);
    PORTB = B101111;
    delay(patternDelay);
    PORTB = B110111;
    delay(patternDelay);
  } // close pattern 4
    else if (patternNumber == 5) //
  {
    PORTB = B001111;
    delay(patternDelay);
    PORTB = B010111;
    delay(patternDelay);
    PORTB = B100111;
    delay(patternDelay);
  } // closes pattern 5

  if (buttonVa1 == LOW);
  {
  patternNumber = patternNumber +1;
  } // closes the pattern number increasing by 1 each time the button is pressed

  if (patternNumber == 6)
  {
    patternNumber = patternNumber - 6;
  } // closes the pattern number going back to 0 once the button reaches 6 presses
}