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

// 屏幕引脚（和你现在接线一致）
#define TFT_DC  9
#define TFT_CS 10
#define TFT_MOSI 6
#define TFT_SCK 7
#define TFT_MISO 5

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_SCK, TFT_MISO);

// DHT22温湿度引脚
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  tft.begin();
  tft.fillScreen(ILI9341_BLACK); // 清屏
  dht.begin();

  tft.setCursor(20, 50);
  tft.setTextColor(ILI9341_RED);
  tft.setTextSize(2);
  tft.println("Hello TFT!");
}

void loop() {
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();

  tft.fillScreen(ILI9341_BLACK);
  tft.setCursor(20,80);
  tft.setTextColor(ILI9341_GREEN);
  tft.print("Temp:");
  tft.print(temp);
  tft.println(" C");

  tft.setCursor(20,120);
  tft.print("Humi:");
  tft.print(hum);
  tft.println(" %");

  delay(2000);
}