//librerias servo
#include<Servo.h>

Servo miServo;


//seven segmet
int g=13;
int f=12;
int a=8;
int b=7;
int e=4;
int d=2;
int c=3;


//variable de lectura
int lec;

void setup() {
 
 
 //configuracion seven segmen display
 pinMode(a, OUTPUT);
 pinMode(b, OUTPUT);
 pinMode(c, OUTPUT);
 pinMode(d, OUTPUT);
 pinMode(e, OUTPUT);
 pinMode(f, OUTPUT);
 pinMode(g, OUTPUT);

 //configuracion de la señal de activavion o lectura
 pinMode(A0, INPUT);

//configuraciones de led semafor
 pinMode(6, OUTPUT);
 pinMode(9, OUTPUT);
 pinMode(10, OUTPUT);
        

 //configuracion servo

 miServo.attach(5);
 

//activacion de monitor serial
Serial.begin(9600);
}



void loop() {

//lectura pin digital
lec=digitalRead(A0);

//imprime el valor de la lectura
Serial.println(lec);

//condicional de cumplimiento 
if (lec==1){

//funcion de conteo y servo
secuencia();

}else{

//pocicion de servo 

  miServo.write(90);
  //funcion semaforo
 semaforo();
}


  
}

//funcion secuencia

void secuencia(){

//activacion de led rojo
analogWrite(6,255);

//poccion servo
    miServo.write(0);

//cuenta regresiva    
    nueve();
    delay(1000);
   ocho();
   delay(1000);
   siete();
   delay(1000);
   seis();
   delay(1000);
   cinco();
   delay(1000);
   cuatro();
   delay(1000);
   tres();
   delay(1000);
   dos();
   delay(1000);
   uno();
   delay(1000);
   cero();
   delay(1000);
    off();
   

}


//funciones individuales

void nueve(){

digitalWrite(a,1);
digitalWrite(b,1);
analogWrite(c,255);
digitalWrite(f,1);
digitalWrite(g,1);
digitalWrite(d,0);
digitalWrite(e,0);

}
void ocho(){

digitalWrite(a,1);
digitalWrite(b,1);
analogWrite(c,255);
digitalWrite(f,1);
digitalWrite(g,1);
digitalWrite(d,1);
digitalWrite(e,1);

}

void siete(){

digitalWrite(a,1);
digitalWrite(b,1);
analogWrite(c,255);
digitalWrite(f,0);
digitalWrite(g,0);
digitalWrite(d,0);
digitalWrite(e,0);

}
void seis(){

digitalWrite(a,1);
digitalWrite(b,0);
analogWrite(c,255);
digitalWrite(f,1);
digitalWrite(g,1);
digitalWrite(d,1);
digitalWrite(e,1);

}
void cinco(){

digitalWrite(a,1);
digitalWrite(b,0);
analogWrite(c,255);
digitalWrite(f,1);
digitalWrite(g,1);
digitalWrite(d,1);
digitalWrite(e,0);

}

void cuatro(){

digitalWrite(a,0);
digitalWrite(b,1);
analogWrite(c,255);
digitalWrite(f,1);
digitalWrite(g,1);
digitalWrite(d,0);
digitalWrite(e,0);

}
void tres(){

digitalWrite(a,1);
digitalWrite(b,1);
analogWrite(c,255);
digitalWrite(f,0);
digitalWrite(g,1);
digitalWrite(d,1);
digitalWrite(e,0);

}
void dos(){

digitalWrite(a,1);
digitalWrite(b,1);
analogWrite(c,0);
digitalWrite(f,0);
digitalWrite(g,1);
digitalWrite(d,1);
digitalWrite(e,1);

}
void uno(){

digitalWrite(a,0);
digitalWrite(b,1);
analogWrite(c,1);
digitalWrite(f,0);
digitalWrite(g,0);
digitalWrite(d,0);
digitalWrite(e,0);
}
void cero(){

digitalWrite(a,1);
digitalWrite(b,1);
analogWrite(c,255);
digitalWrite(f,1);
digitalWrite(g,0);
digitalWrite(d,1);
digitalWrite(e,1);

}
void off(){

digitalWrite(a,0);
digitalWrite(b,0);
analogWrite(c,0);
digitalWrite(f,0);
digitalWrite(g,0);
digitalWrite(d,0);
digitalWrite(e,0);

}

void semaforo(){

analogWrite(6,255);
delay(2000);

analogWrite(6,255);
analogWrite(9,255);
delay(2000);

analogWrite(6,0);
analogWrite(9,0);
analogWrite(10,255);
delay(2000);

analogWrite(9,255);
analogWrite(10,0);
delay(2000);

analogWrite(6,255);
analogWrite(9,0);
delay(2000);


}