const int DATA_PIN = 9;
const int CLOCK_PIN = 10;
const int LATCH_PIN_MAIN = 2;
const int LATCH_PIN_SECONDARY = 4;

void setup() {
  Serial.begin(9600);
  pinMode(DATA_PIN, OUTPUT);
  pinMode(CLOCK_PIN, OUTPUT);
  pinMode(LATCH_PIN_MAIN, OUTPUT);
  pinMode(LATCH_PIN_SECONDARY, OUTPUT);
}

void loop() {
  // Call the function to set the patterns repeatedly in the loop
  activatelatchpins();
  
}

void activatelatchpins() {
  byte firstbytepattern, secondbytepattern;



  // Pattern 5
  firstbytepattern = 0b00001000;
  secondbytepattern = 0b10000001;
  setPattern(firstbytepattern, secondbytepattern);
  




  // Pattern 6
  firstbytepattern = 0b00000100;
  secondbytepattern = 0b11000011;
  setPattern(firstbytepattern, secondbytepattern);
  
  

 

  // Pattern 7
  firstbytepattern = 0b00000010;
  secondbytepattern = 0b11100111;
  setPattern(firstbytepattern, secondbytepattern);
 

  
 

  // Pattern 8
  firstbytepattern = 0b00000001;
  secondbytepattern = 0b11100111;
  setPattern(firstbytepattern, secondbytepattern);
 

}

void setPattern(byte firstbytepattern, byte secondbytepattern) {
  // Enable the main shift register to set the first byte pattern
  digitalWrite(LATCH_PIN_MAIN, LOW);
  shiftOut(DATA_PIN, CLOCK_PIN, LSBFIRST, firstbytepattern);
  digitalWrite(LATCH_PIN_MAIN, HIGH);

  // Enable the secondary shift register to set the second byte pattern
  digitalWrite(LATCH_PIN_SECONDARY, LOW);
  shiftOut(DATA_PIN, CLOCK_PIN, LSBFIRST, secondbytepattern);
  digitalWrite(LATCH_PIN_SECONDARY, HIGH);
}

void clearDisplay() {
  // Clear the display by setting all bits to LOW
  setPattern(0b00000000, 0b00000000);
}