/*
Name: Indervir Rai
Program Name: Arduino LED Chaser with Arrays and DDRB
Date: 2025-03-21
Program full description: This program shows the LED's turning on and off using a variety 
codes that are shortened using arrays and DDRB
*/





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

int patternNumber = 0;
int patternDelay = 100; 
int twoDimArray[6][3] = { 
  {B001111, B011111, B111111},
  {B110111, B101111, B011111},
  {B100111, B010111, B001111},
  {B100111, B110111, B111111},
  {B011111, B101111, B110111},
  {B001111, B010111, B100111} 
}; // closes all the patterns
 



void setup() {
  DDRB = B111111; // Numbers 13-8 repersented as OUTPUT

  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

  

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

  if (patternNumber > 5) // resets the pattern if the number is greater than 5
  {
    patternNumber = 0;
  }                   
  for (int i = 0; i < 3; i++) // counts the sets of patterns also tells when to switch to next pattern
  {
    PORTB = twoDimArray[patternNumber][i];
    delay (patternDelay);  
  }     // closes for loop
}