/**
  
  Programa que iniciar un contador de 0 a 9 con un display 7 segmentos
  al presionar el pulsador
**/

#define DIGITOS_TOTAL 10
#define PINES_TOTAL 7

#define PIN_A 22
#define PIN_B 23
#define PIN_C 2
#define PIN_D 4
#define PIN_E 16
#define PIN_F 19
#define PIN_G 5

int pines[PINES_TOTAL] = {
  PIN_A,
  PIN_B,
  PIN_C,
  PIN_D,
  PIN_E,
  PIN_F,
  PIN_G
};

// MAPA DE NUMEROS PARA CATODO COMUN EN DISPLAY 7 SEGMENTOS
int digitos[DIGITOS_TOTAL][PINES_TOTAL] = {
  {HIGH, HIGH, HIGH, HIGH, HIGH, HIGH, LOW},  // 0
  {LOW , HIGH, HIGH, LOW, LOW, LOW, LOW},     // 1
  {HIGH, HIGH, LOW, HIGH, HIGH, LOW, HIGH},   // 2
  {HIGH, HIGH, HIGH, HIGH, LOW, LOW, HIGH},   // 3
  {LOW, HIGH, HIGH, LOW, LOW, HIGH, HIGH},    // 4
  {HIGH, LOW, HIGH, HIGH, LOW, HIGH, HIGH},   // 5
  {HIGH, LOW, HIGH, HIGH, HIGH, HIGH, HIGH},  // 6
  {HIGH, HIGH, HIGH, LOW, LOW, LOW, LOW},     // 7
  {HIGH, HIGH, HIGH, HIGH, HIGH, HIGH, HIGH}, // 8
  {HIGH, HIGH, HIGH, LOW, LOW, HIGH, HIGH}    // 9
};

void limpiar();

void setup() {
  Serial.begin(9600);
  pinMode(14, INPUT_PULLUP);
  for(int pin = 0; pin < PINES_TOTAL; pin++) {
     pinMode(pines[pin], OUTPUT);
  }
}

void loop() {
  if (digitalRead(14) == 0) {
    for(int numero = 0; numero < DIGITOS_TOTAL; numero++) {
        mostrarDigito(numero);
        delay(1000);
        limpiar();
    }    
  }
}

void mostrarDigito(int numero) {
  for(int pin = 0; pin < PINES_TOTAL; pin++) {
    digitalWrite(pines[pin], digitos[numero][pin]);
  }
}

void limpiar() {
  for(int pin = 0; pin < PINES_TOTAL; pin++) {
     digitalWrite(pines[pin], LOW);
  }
}