7segment-2

const int a = ;
const int b = ;
const int c = ;
const int d = ;
const int e = ;
const int f = ;
const int g = ;
const int p = ;

const int d1 = 1;
const int d2 = 10;
const int d3 = 4;
const int d4 = 6;

const boolean isAnode = false;

int time = 0;

void setup() {
  for (int i = 1; i <= 12; i = i + 1) {
    pinMode(i, OUTPUT);
  }
}

void on(int pin) {
  if (isAnode) {
   digitalWrite(pin, HIGH);
  } else {
   digitalWrite(pin, LOW);
  }
}

void off(int pin) {
  if (isAnode) {
   digitalWrite(pin, LOW);
  } else {
   digitalWrite(pin, HIGH);
  }
}

void reset(int digiPin) {
  off(d1);
  off(d2);
  off(d3);
  off(d4);
  
  on(digiPin);

  on(a);
  on(b);
  on(c);
  on(d);
  on(e);
  on(f);
  on(g);
  on(p);
}

void one() {
  off(b);
  off(c);
}

void two() {
  off(a);
  off(b);
  off(g);
  off(e);
  off(d);
}

void three() {
  off(a);
  off(b);
  off(g);
  off(c);
  off(d);
}

void four() {
  off(f);
  off(g);
  off(b);
  off(c);
}

void display(int num) {
  switch (num) {
    case 1:
      one();
      break;

    case 2:
       two();
       break;
       
    case 3:
       three();
        break;
       
    case 4:
        four();
        break;
  }
}

void loop() {
  int num = (time / 125);

  reset(d1);
  display(num / 1000 % 10);
  delay(2);

  reset(d2);
  display(num / 100 % 10);
  delay(2);

  reset(d3);
  display(num / 10 % 10);
  delay(2);

  reset(d4);
  display(num % 10);
  delay(2);

  time += 1;
}