//#include <serial.h>
//segmentos  a, b,c,d,e, f, g, dp
int Disp[8]={15,2,4,5,18,19,21,22};
int Leds[4]={13,12,14,27};
int Controle[4]={26,25,33,32};
int ValDisplay[4]={0,0,0,0};
int ctrl=0;
int ContaTempo=0;

              //a,b,c,d,e,f,g,dp
int Tab[16][8]={1,1,1,1,1,1,0,0,//0
                0,1,1,0,0,0,0,0,//1
                1,1,0,1,1,0,1,0,//2 
                1,1,1,1,0,0,1,0,//3 
                0,1,1,0,0,1,1,0,//4
                1,0,1,1,0,1,1,0,//5
                1,0,1,1,1,1,1,0,//6
                1,1,1,0,0,0,0,0,//7
                1,1,1,1,1,1,1,0,//8
                1,1,1,1,0,1,1,0,//9
                1,1,1,1,1,0,1,0,//a
                0,0,1,1,1,1,1,0,//b
                1,0,0,1,1,1,0,0,//c
                0,1,1,1,1,0,1,0,//d
                1,0,0,1,1,1,1,0,//e
                1,0,0,0,1,1,1,0};//f
//   a
//f     b
//   g
//e     c
//   d   dp

int TBin[16][4]={0,0,0,0,
                 0,0,0,1,
                 0,0,1,0,
                 0,0,1,1,
                 0,1,0,0,
                 0,1,0,1,
                 0,1,1,0,
                 0,1,1,1,
                 1,0,0,0,
                 1,0,0,1,
                 1,0,1,0,
                 1,0,1,1,
                 1,1,0,0,
                 1,1,0,1,
                 1,1,1,0,
                 1,1,1,1};
               

void setup() {
  //configurar segmentos(leds) do display
   //como saída:
   //para isso usaremos o laço for, para repetir
   //8 vezes a instrução
     for(int i=0; i<8;i++)
      pinMode(Disp[i],OUTPUT); 

    //configurando os leds
     for(int i=0;i<4;i++)
     pinMode(Leds[i], OUTPUT);

     //configurando os controles
     for(int i=0;i<4;i++)
     pinMode(Controle[i], OUTPUT);

  }

void loop() {

   ContaTempo++;
   if(ContaTempo>100)
   {
    ContaTempo=0;
    ValDisplay[3]++;
    if(ValDisplay[3]>9){
      ValDisplay[3]=0;
      ValDisplay[2]++;
      if(ValDisplay[2]>9){
        ValDisplay[2]=0;
        ValDisplay[1]++;
         if(ValDisplay[1]>9){
           ValDisplay[1]=0;
            ValDisplay[0]++;
            if(ValDisplay[0]>9)
            {
          ValDisplay[0]=0;
          //preparar fim da contagem
        }
        }
      
     }
   }
    }
    
   
   
  for(int k=0;k <= 4;k++){
     if(k == ctrl){
      //ligando os leds
      for(int i=0;i<8;i++)
       digitalWrite(Disp[i],Tab[ValDisplay[ctrl]][i]);
      
      digitalWrite(Controle[k],0);
      digitalWrite(Leds[k],1);
      
     }
     else{
      digitalWrite(Controle[k],1);
      digitalWrite(Leds[k],0);
     }

  }

    /* //mostrando motação binária nos leds
    for(int i=0;i<4;i++)
    digitalWrite(Leds[i],TBin[j][i]);
      */
      delay(1);//1 milisegundos
       

   ctrl++;
   if(ctrl == 4)
     ctrl=0;
  }