semáforo display

 

// Semáforo

// declarando parametros

int led_verde = 13;

int led_amarillo = 12;

int led_rojo = 11;

const int BOTON = 7; // pin de entrada botón

int state = 0; // estado del boton

void setup() {

// se indica que cada pin es de salidad OUTPUT.

pinMode(led_verde, OUTPUT);

pinMode(led_amarillo, OUTPUT);

pinMode(led_rojo, OUTPUT);

// se apagan todos los LEDs

digitalWrite(led_verde,LOW);

digitalWrite(led_amarillo,LOW);

digitalWrite(led_rojo,LOW);

// se indica que el pin 7 es de entrada INPUT

pinMode(BOTON,INPUT);

// pines 2-5 y 8-10 encienden leds del visualizador de segmentos

pinMode(2,OUTPUT);

pinMode(3,OUTPUT);

pinMode(4,OUTPUT);

pinMode(5,OUTPUT);

pinMode(8,OUTPUT);

pinMode(9,OUTPUT);

pinMode(10,OUTPUT);

}

// lazo a ejecutar continuamente una vez cargado el código en el arduino

void loop(){

digitalWrite(led_verde,HIGH); // encender LED verde

//pedestriaBoton();  // se llama a una subrutina 

delay(5000);

digitalWrite(led_verde,LOW); // apagar LED verde

digitalWrite(led_amarillo,HIGH); // encender LED amarillo

delay(1000); // mantener por 1 segundos

digitalWrite(led_amarillo,LOW); // apagar LED verde

digitalWrite(led_rojo,HIGH); // encender LED rojo

for(int i=9;i>-1; i--){

funcNum(i);

delay(1000);

} 

digitalWrite(led_rojo,LOW);

}

void funcNum(int x){

  switch (x){

    case 0://when count value is zero show”0” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, HIGH);

      digitalWrite(10, HIGH);

      digitalWrite(2, LOW);

      digitalWrite(3, HIGH);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

    break;

   case 1:// when count value is 1 show”1” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, LOW);

      digitalWrite(10, LOW);

      digitalWrite(2, LOW);

      digitalWrite(3, LOW);

      digitalWrite(4, LOW);

      digitalWrite(5, HIGH);

    break;

    case 2:// when count value is 2 show”2” on disp

      digitalWrite(8, LOW);

      digitalWrite(9, HIGH);

      digitalWrite(10, HIGH);

      digitalWrite(2, HIGH);

      digitalWrite(3, LOW);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

    break;

    case 3:// when count value is 3 show”3” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, HIGH);

      digitalWrite(10, LOW);

      digitalWrite(2, HIGH);

      digitalWrite(3, LOW);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

    break;

    case 4:// when count value is 4 show”4” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, LOW);

      digitalWrite(10, LOW);

      digitalWrite(2, HIGH);

      digitalWrite(3, HIGH);

      digitalWrite(4, LOW);

      digitalWrite(5, HIGH);

    break;

    case 5:// when count value is 5 show”5” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, HIGH);

      digitalWrite(10, LOW);

      digitalWrite(2, HIGH);

      digitalWrite(3, HIGH);

      digitalWrite(4, HIGH);

      digitalWrite(5, LOW);

    break;

    case 6:// when count value is 5 show”5” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, HIGH);

      digitalWrite(10, HIGH);

      digitalWrite(2, HIGH);

      digitalWrite(3, HIGH);

      digitalWrite(4, HIGH);

      digitalWrite(5, LOW);

    break;

  case 7:// when count value is 5 show”5” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, LOW);

      digitalWrite(10, LOW);

      digitalWrite(2, LOW);

      digitalWrite(3, LOW);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

    break;

      case 8:// when count value is 8 show”8” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, HIGH);

      digitalWrite(10, HIGH);

      digitalWrite(2, HIGH);

      digitalWrite(3, HIGH);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

    break;

     break;

      case 9:// when count value is 8 show”8” on disp

      digitalWrite(8, HIGH);

      digitalWrite(9, HIGH);

      digitalWrite(10, LOW);

      digitalWrite(2, HIGH);

      digitalWrite(3, HIGH);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

    break;

 break;

   

}

}