#include <Adafruit_ILI9341.h>
#include <Adafruit_GFX.h>

#define TFT_CS   5
#define TFT_DC   4
#define TFT_RST  -1  // Set to -1 if not using a reset pin

#define SPI_SCK  18  // SCK (Serial Clock)
#define SPI_MISO 19  // MISO (Master In Slave Out)
#define SPI_MOSI 23  // MOSI (Master Out Slave In)

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST);

void setup() {
  Serial.begin(115200);
  
  tft.begin(SPI, SPI_SCK, SPI_MISO, SPI_MOSI);
  tft.setRotation(3);  // Adjust rotation if needed
  tft.fillScreen(ILI9341_BLACK);

  // Draw some shapes on the TFT
  drawCircle(50, 50, 20, ILI9341_RED);
  drawRectangle(100, 50, 30, 40, ILI9341_GREEN);
  drawTriangle(180, 50, 160, 90, 200, 90, ILI9341_BLUE);
}

void loop() {
  // Your loop code here
}

void drawCircle(int x, int y, int radius, uint16_t color) {
  tft.fillCircle(x, y, radius, color);
}

void drawRectangle(int x, int y, int width, int height, uint16_t color) {
  tft.fillRect(x, y, width, height, color);
}

void drawTriangle(int x1, int y1, int x2, int y2, int x3, int y3, uint16_t color) {
  tft.fillTriangle(x1, y1, x2, y2, x3, y3, color);
}