#define a 8
#define b 7
#define c 6
#define d 5
#define e 4
#define f 3
#define g 2

//int i=0;
char car;
//void valores(int);
boolean w=1;
boolean x=0;
boolean comun=1;
char vector [28]={w,x,x,x,x,x,x,              //0
                  w,w,w,w,x,x,w,                 //1
                  x,x,x,w,w,w,x,
                  x,x,x,w,x,x,x              // f
                  };
                  
                  
void setup() {

  for (int x = 2; x < 10; x++) {
    pinMode(x, OUTPUT);
  }

  
  Serial.begin(9600);
  Serial.println("inicio");
  digitalWrite(9,comun);
  valores('0');
 }

void loop() {







if(Serial.available()>0)
{
 car = Serial.read();
 
Serial.println(car);
 
valores(car);
}//fin if

delay(200);
} //fin loop

void valores(char digito)
{

if(digito=='0'){
int n=2;
int posicion=0;
for(int t=posicion*7;t<posicion*7+7;t++){

digitalWrite(n,vector[t]); //g
n++;
}
n=2;
/*

digitalWrite(g,w); //g
digitalWrite(f,x); //f
digitalWrite(e,x); //e
digitalWrite(d,x); //d
digitalWrite(c,x); //c
digitalWrite(b,x); //b
digitalWrite(a,x); //a
*/

}





if(digito=='1'){


int n=2;
int posicion=1;
for(int t=posicion*7;t<posicion*7+7;t++){

digitalWrite(n,vector[t]); //g
n++;
}
n=2;



/*
digitalWrite(2,w); //g
digitalWrite(3,w); //f
digitalWrite(4,w); //e
digitalWrite(5,w); //d
digitalWrite(6,x); //c
digitalWrite(7,x); //b
digitalWrite(8,w); //a

*/
}


if(digito=='2'){
digitalWrite(2,x); //g
digitalWrite(3,w); //f
digitalWrite(4,x); //e
digitalWrite(5,x); //d
digitalWrite(6,w); //c
digitalWrite(7,x); //b
digitalWrite(8,x); //a
}

if(digito=='3'){
digitalWrite(2,x); //g
digitalWrite(3,w); //f
digitalWrite(4,w); //e
digitalWrite(5,x); //d
digitalWrite(6,x); //c
digitalWrite(7,x); //b
digitalWrite(8,x); //a
}

if(digito=='a' || digito =='A'){
 int n=2;
int posicion=3;
for(int t=posicion*7;t<posicion*7+7;t++){

digitalWrite(n,vector[t]); //g
n++;
}
n=2;



/*
digitalWrite(2,w); //g
digitalWrite(3,x); //f
digitalWrite(4,x); //e
digitalWrite(5,w); //d
digitalWrite(6,x); //c
digitalWrite(7,x); //b
digitalWrite(8,x); //a
*/


}

if(digito=='f' || digito =='F'){

int n=2;
int posicion=2;
for(int t=posicion*7;t<posicion*7+7;t++){

digitalWrite(n,vector[t]); //g
n++;
}
n=2;


/*
digitalWrite(2,x); //g
digitalWrite(3,x); //f
digitalWrite(4,x); //e
digitalWrite(5,w); //d
digitalWrite(6,w); //c
digitalWrite(7,w); //b
digitalWrite(8,x); //a

*/
}

}