#include <Adafruit_NeoPixel.h>
 
#define PIN         2 //Pino de entrada no fita de leds
#define NUMPIXELS   3 //Quantidde de pixels
#define SWT         7

//Cria um pixel
Adafruit_NeoPixel np1p = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
int i;
int count;
char j;
void setup()
{
  //Inicializa a serial
  Serial.begin(9600);  

  pinMode(SWT, INPUT);

  //Initicializa a bilbioteca NeoPixel
  np1p.begin();
  //Limpa a cor
  np1p.fill(0x000000, 0, 3); //Cor, Primeiro, Quantidade
  //Atualiza o pixel
  np1p.show();
    
}
void loop()
{

  /*for(i = 0, j = 0xff, count = 0; i < 3; i++)
  {
      if(count == 2)
        np1p.setPixelColor(i, 0xff, 0xff, 0x00); //RGB
      else if(count == 1)
        np1p.setPixelColor(i, 0xff, 0xff, 0x00); //RGB
      else if(count == 0)
        np1p.setPixelColor(i, 0x00, 0xff, 0x00); //RGB
      else
        np1p.setPixelColor(i, 0x00, 0x00, 0x00); //RGB
      count++;
  }
  np1p.show();
  if(count < 3)
    delay(2000);
  else
    delay(1000);*/

  if(digitalRead(SWT))
  {
    //amarelo
    np1p.setPixelColor(0, 0x00, 0x00, 0x00); //RGB  - verde
    np1p.setPixelColor(1, 0xff, 0xff, 0x00); //RGB  - amarelo
    np1p.setPixelColor(2, 0x00, 0x00, 0x00); //RGB  - vermelho
    np1p.show();
    delay(1000);
    np1p.fill(0x000000, 1, 3); //Cor, Primeiro, Quantidade
  }
  else
  {
    //vermelho
    np1p.setPixelColor(0, 0xff, 0x00, 0x00); //RGB  - verde
    np1p.setPixelColor(1, 0x00, 0x00, 0x00); //RGB  - amarelo
    np1p.setPixelColor(2, 0x00, 0x00, 0x00); //RGB  - vermelho
    np1p.show();
    delay(2000);

    //verde
    np1p.setPixelColor(0, 0x00, 0x00, 0x00); //RGB  - verde
    np1p.setPixelColor(1, 0x00, 0x00, 0x00); //RGB  - amarelo
    np1p.setPixelColor(2, 0x00, 0xff, 0x00); //RGB  - vermelho
    np1p.show();
    delay(2000);

    //amarelo
    np1p.setPixelColor(0, 0x00, 0x00, 0x00); //RGB  - verde
    np1p.setPixelColor(1, 0xff, 0xff, 0x00); //RGB  - amarelo
    np1p.setPixelColor(2, 0x00, 0x00, 0x00); //RGB  - vermelho
    np1p.show();
    delay(1000);
  }

    

  

  //Atualiza o pixel
  np1p.show();
  delay(1000);
  Serial.println("loop");
}