#include <OneWire.h>
#include <DallasTemperature.h>
#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
OneWire oneWire(2);
DallasTemperature sensor(&oneWire);

#define TFT_CS    16  // define chip select pin
#define TFT_DC     18  // define data/command pin
#define TFT_RST    17  // define reset pin, or set to -1 and connect to Arduino RESET pin
#define TFT_MOSI   19
#define TFT_CLK   21
// Initialize Adafruit ST7789 TFT library
// Adafruit_ST7789(int8_t cs, int8_t dc, int8_t mosi, int8_t sclk, int8_t rst = -1);
Adafruit_ST7789 tft = Adafruit_ST7789(TFT_CS, TFT_DC,TFT_MOSI, TFT_CLK ,TFT_RST);

void setup(void) {
  Serial.begin(115200);
  delay(2);
  Serial.println("Starting up ...");
// if the display has CS pin try with SPI_MODE0
tft.init(240, 240, SPI_MODE2);    // Init ST7789 display 240x240 pixel
 
 uint16_t time = millis();
  tft.fillScreen(ST77XX_WHITE);
  time = millis() - time;

  Serial.println(time, DEC);
  delay(500);
  tft.setCursor (20, 50);
tft.setTextColor (ST77XX_BLACK);
tft.setTextSize (3);
tft.print("Test");
tft.println ("HELLO WORLD"); // initialization message on the TFT display
tft.println ("………….");
  sensor.begin();
  //delay(1000);
}

void loop(void) {
  sensor.requestTemperatures();
  Serial.print("Temperature is: ");
  delay(10);
  Serial.println(sensor.getTempCByIndex(0));
  delay(2000);
}