int led1 = 2; 
int led2 = 3; 
int led3 = 4; 
int led4 = 5; 
int onoff = 6; 
int green = 9;
int red = 10;
int blue = 11;
int time = 0;
int i=0;

int varred=0;
int vargreen=0;
int varblue=0;

void setup () { 
  
  pinMode(led1, INPUT);
  pinMode(led2, INPUT);
  pinMode(led3, INPUT);
  pinMode(led4, INPUT);
  pinMode(onoff, OUTPUT);
  pinMode(red,  OUTPUT);
  pinMode(green,  OUTPUT);
  pinMode(blue,   OUTPUT);
  /*blanco();
  delay(1000);
  amarillo();
  delay(1000);
  rojo();
  delay(1000);
  magenta();
  delay(1000);
  azul();
  delay(1000);
  verde();
  delay(1000);
  off();
  wiiconnect();*/
 
  
} 

void wiiconnect(void)
{
  digitalWrite(onoff, HIGH);     // wii connect
  delay(100);
  digitalWrite(onoff, LOW);
}
  
void blanco(void)
{
  analogWrite(red, 0xFF);
  analogWrite(green, 0xFF);
  analogWrite(blue, 0xFF);
}

void amarillo(void)
{
  analogWrite(red, 0xFF);
  analogWrite(green, 0xFF);
  analogWrite(blue, 0x00);
}

void rojo(void)
{
  analogWrite(red, 0xFF);
  analogWrite(green, 0x00);
  analogWrite(blue, 0x00);
}

void magenta(void)
{
  analogWrite(red, 0xF7);
  analogWrite(green, 0x1C);
   analogWrite(blue, 0xB6);
}

void azul(void)
{
  analogWrite(red, 0x00);
  analogWrite(green, 0x32);
  analogWrite(blue, 0xFF);
}

void verde(void)
{
  //analogWrite(red, 0x1F);
  analogWrite(red, 0x00);
  analogWrite(green, 0xFF);
  analogWrite(blue, 0x00);
}

void off(void)
{
  analogWrite(red, 0x00);
  analogWrite(green, 0x00);
  analogWrite(blue, 0x00);
}


int ledRead(void)
{
  
  int l1;
  int l2;
  int l3;
  int l4;
  int codigo = 0;
  l1 = !digitalRead(led1);
  l2 = !digitalRead(led2);
  l3 = !digitalRead(led3);
  l4 = !digitalRead(led4);
  codigo = l1 + 2*l2 + 4*l3 + 8*l4;
  return(codigo);
  
}

void loop () { 
  time = 50;
  
  for (varred=0; varred<256; varred++) 
  {
    delay(time);
    analogWrite(red, varred);
  }
  
  for (varblue=0; varblue<256; varblue++)
  {
    delay(time);
    analogWrite(blue, varblue);
  } 
  for (vargreen=0; vargreen<256; vargreen++)
  {
    delay(time);
    analogWrite(green, vargreen);
  } 
  for (varred=255; varred>0; varred--) 
  {
    delay(time);
    analogWrite(red, varred);
  }
  
  for (varblue=255; varblue>0; varblue--)
  {
    delay(time);
    analogWrite(blue, varblue);
  } 
  for (vargreen=255; vargreen>0; vargreen--)
  {
    delay(time);
    analogWrite(green, vargreen);
  } 
  
}