#define LED_0 21
#define LED_1 22
#define LED_2 23
#define LED_3 13
#define LED_4 12
#define pulsador_acel 35
#define pulsador_frenar 14
#define CAMBIO 50;
int valores [5] = {0,0,0,0,0};
int i = 0; int j = 0;
int retardo = 1500;
char tabla [10] = {0x00,0x01,0x03,0x07,0x0F,0x1F,0x1E,0x1C,0x18,0x10};
char c = tabla [0];
void setup() 
{
  Serial.begin(9600);
  pinMode(LED_0, OUTPUT);
  pinMode(LED_1, OUTPUT);
  pinMode(LED_2, OUTPUT);
  pinMode(LED_3, OUTPUT);
  pinMode(LED_4, OUTPUT);
  pinMode(pulsador_acel,INPUT_PULLUP);
  pinMode(pulsador_frenar,INPUT_PULLUP);
  digitalWrite(LED_0,valores[0]);
  digitalWrite(LED_1,valores[1]);
  digitalWrite(LED_2,valores[2]);
  digitalWrite(LED_3,valores[3]);
  digitalWrite(LED_4,valores[4]);
}

void loop() 
{
  delay(10); // this speeds up the simulation
  for (i= 0;i<10;i++)
  {
    for (j = 0; j < 5; j++)
    {
      valores[j] = ((tabla [i]&(0x01<<j))>>j);
    }
    digitalWrite(LED_0,valores[0]);
    digitalWrite(LED_1,valores[1]);
    digitalWrite(LED_2,valores[2]);
    digitalWrite(LED_3,valores[3]);
    digitalWrite(LED_4,valores[4]);
    delay (retardo);
  }
  if (digitalRead(pulsador_acel)==1)
  {
    retardo += CAMBIO;
  }
  if (digitalRead(pulsador_frenar)==1)
  {
    retardo -= CAMBIO;
  }
  if (retardo < 50)
  {
    retardo = 50;
  }
  if (retardo > 1000)
  {
    retardo = 1000;
  }
  Serial.println(retardo);
  

}