#include "DHT.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"
#define DHTPIN PA0
#define DHTTYPE DHT22
#define LED_PIN PB6
#define BUZZER_PIN PB7
#define TFT_DC 2
#define TFT_CS 3
#define TFT_RST PA4
DHT dht(DHTPIN, DHTTYPE);
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

void setup() {
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);
  dht.begin();
  tft.begin();  
  tft.setTextSize(2);
}

void loop() {
  float t = dht.readTemperature();
  int T_INT = (int)t;
  int T_fl = (t-T_INT)*10;
  tft.setCursor(20, 120);
  
    tft.setTextColor(ILI9341_WHITE, ILI9341_BLACK);
    tft.print(F("Temp: "));
    tft.print((int)t);
    tft.print(F("."));
    tft.print(T_fl);
    tft.print(F(" C  "));

    tft.setCursor(20, 160);
    if(T_INT >= 37 || T_INT <= 35) {
      digitalWrite(LED_PIN, HIGH);
      digitalWrite(BUZZER_PIN, HIGH);
      tft.setTextColor(ILI9341_RED, ILI9341_BLACK);
      tft.print(F("ALARM!!"));
    } else {
      digitalWrite(LED_PIN, LOW);
      digitalWrite(BUZZER_PIN, LOW); 
      tft.setTextColor(ILI9341_GREEN, ILI9341_BLACK);
      tft.print(F("NORMAL "));
    }
  
  delay(1000); 
}