#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#include "DHT.h"

#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

int bot = 14;
int dhtP = 27;

bool Lig = false;
int Set = 0;

#define DHTTYPE DHT22  
DHT dht(dhtP, DHTTYPE);

void setup() {
  Serial.begin(115200);
  pinMode(bot, INPUT);
  dht.begin();

  tft.begin();
  tft.setRotation(0); //Sentido do Display 0=Portrait / 1=Landscape
  tft.fillScreen(ILI9341_BLACK);
}

void loop() {

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  int botValue = digitalRead(bot);

  if(botValue == true){
  Lig = !Lig;
  while(botValue == 1){
   botValue = digitalRead(bot);
  }
  }

  if(Lig == true){
    if(Set != 1){
      tft.fillScreen(ILI9341_BLACK);
    tft.setCursor(0, 140);
    tft.setTextColor(ILI9341_WHITE);
    tft.setTextSize(3);
    tft.println(" Iniciando... ");
    delay(2000);
    Set = 1;
    }    

    if(Set == 1){
      tft.fillScreen(ILI9341_BLACK);
      tft.setCursor(2, 120);
      tft.setTextColor(ILI9341_RED);
      tft.setTextSize(3);
      tft.print("Temp: ");
      tft.print(t);
      tft.println("C");

      tft.setCursor(2, 180);
      tft.setTextColor(ILI9341_GREEN);
      tft.setTextSize(3);
      tft.print("Hum: ");
      tft.print(h);
      tft.println("%");
    }
  } 
  else if(Lig == false && Set == 1){
    tft.fillScreen(ILI9341_BLACK);
    tft.setCursor(2, 140);
    tft.setTextColor(ILI9341_WHITE);
    tft.setTextSize(3);
    tft.println("Desligando... ");
    delay(2000);
    tft.fillScreen(ILI9341_BLACK);
    Set = 2;
  }
  else{
    tft.fillScreen(ILI9341_BLACK);
    Set = 0;
  }
}