int level_0[] = {B1, B01000101};
int level_1[] = {B0, B00010000};
int level_2[] = {B1, B01000101};

int leds[] = {0, 1, 2, 3, 4, 5, 9, 7, 8};
int level_pin[] = {10, 11, 12};
int counter;

void setup() {
	for(int i=0; i<9; i++){
		pinMode(leds[i], OUTPUT);
	}
	
	for(int i=0; i<3; i++){
		pinMode(level_pin[i], OUTPUT);
	}
 counter = 0;
 pinMode(13,OUTPUT);
}

void loop(){
  if((counter % 15) == 0){
   //change_sequence();
  }
  display();
  counter++;
}

void change_sequence(){
 if(counter > 15){
  level_0[0] = B0;
  level_0[1] = B10101010;
  
  level_2[0] = B0;
  level_2[1] = B10101010;
  counter = 0;
 } else {
  level_0[0] = B1;
  level_0[1] = B01000101;
  
  level_2[0] = B1;
  level_2[1] = B01000101;
 } 
}

void display() {
	// Light first row
	binary_led(0);
	digitalWrite(level_pin[0], HIGH);
	digitalWrite(level_pin[1], HIGH);
	digitalWrite(level_pin[2], HIGH);
	delay(5);
	
	// Light second row
	binary_led(1);
	digitalWrite(level_pin[0], LOW);
	digitalWrite(level_pin[1], LOW);
	digitalWrite(level_pin[2], HIGH);
	delay(5);

	// Light third row
	binary_led(2);
	digitalWrite(level_pin[0], LOW);
	digitalWrite(level_pin[1], HIGH);
	digitalWrite(level_pin[2], LOW);
	delay(5);
}

void binary_led(int level){
  switch (level) {
    case 0:
      digitalWrite(leds[0], level_0[0]);
      digitalWrite(leds[1], (level_0[1] & B10000000) >> 7);
      digitalWrite(leds[2], (level_0[1] & B01000000) >> 6);
      digitalWrite(leds[3], (level_0[1] & B00100000) >> 5);
      digitalWrite(leds[4], (level_0[1] & B00010000) >> 4);
      digitalWrite(leds[5], (level_0[1] & B00001000) >> 3);
      digitalWrite(leds[6], (level_0[1] & B00000100) >> 2);
      digitalWrite(leds[7], (level_0[1] & B00000010) >> 1);
      digitalWrite(leds[8], level_0[1] & B00000001);
      break;
    case 1:
      digitalWrite(leds[0], level_1[0]);
      digitalWrite(leds[1], (level_1[1] & B10000000) >> 7);
      digitalWrite(leds[2], (level_1[1] & B01000000) >> 6);
      digitalWrite(leds[3], (level_1[1] & B00100000) >> 5);
      digitalWrite(leds[4], (level_1[1] & B00010000) >> 4);
      digitalWrite(leds[5], (level_1[1] & B00001000) >> 3);
      digitalWrite(leds[6], (level_1[1] & B00000100) >> 2);
      digitalWrite(leds[7], (level_1[1] & B00000010) >> 1);
      digitalWrite(leds[8], level_1[1] & B00000001);
      break;
    case 2:
      digitalWrite(leds[0], level_2[0]);
      digitalWrite(leds[1], (level_2[1] & B10000000) >> 7);
      digitalWrite(leds[2], (level_2[1] & B01000000) >> 6);
      digitalWrite(leds[3], (level_2[1] & B00100000) >> 5);
      digitalWrite(leds[4], (level_2[1] & B00010000) >> 4);
      digitalWrite(leds[5], (level_2[1] & B00001000) >> 3);
      digitalWrite(leds[6], (level_2[1] & B00000100) >> 2);
      digitalWrite(leds[7], (level_2[1] & B00000010) >> 1);
      digitalWrite(leds[8], level_2[1] & B00000001);
      break;
  }
}