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

#define RAD 30
#define STEPX 10
#define STEPY 20

// For the Adafruit shield, these are the default.
#define TFT_DC D2
#define TFT_CS SS

// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
Adafruit_ILI9341 tft = Adafruit_ILI9341(SS,16,17);
// If using the breakout, change pins as desired
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_MOSI, TFT_CLK, TFT_RST, TFT_MISO);






void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  Serial.printf("MISO %d,MOSi %d,SCK %d,SS %d \n", MISO, MOSI, SCK, SS);
  Serial.println("ILI9341 Test!");
  SPI.setFrequency(80E6);
  tft.begin();

  // read diagnostics (optional but can help debug problems)
  uint8_t x = tft.readcommand8(ILI9341_RDMODE);
  Serial.print("Display Power Mode: 0x");
  Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDMADCTL);
  Serial.print("MADCTL Mode: 0x");
  Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDPIXFMT);
  Serial.print("Pixel Format: 0x");
  Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDIMGFMT);
  Serial.print("Image Format: 0x");
  Serial.println(x, HEX);
  x = tft.readcommand8(ILI9341_RDSELFDIAG);
  Serial.print("Self Diagnostic: 0x");
  Serial.println(x, HEX);

  Serial.println(F("Done!"));
  // Serial.println("Done!", SP);
  tft.fillScreen(ILI9341_BLACK);
  tft.setRotation(3);
  tft.setCursor(160, 120);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.println("HI THERE !");
  tft.setCursor(160, 130);
  tft.setTextSize(1);
  tft.println("HTMLGFX");
  tft.println();
  delay(500);
  tft.setCursor(160, 140);
  tft.println("by liderwally");
  delay(500);

  tft.fillScreen(ILI9341_BLUE);
}

int counterx = 50;
int countery = 50;
bool dirx = true;
bool diry = true;

void loop(void) {



  tft.fillCircle(counterx, countery, RAD, ILI9341_GREEN);
  tft.drawCircle(counterx, countery, 30, ILI9341_CYAN);
  delay(250);
  tft.fillCircle(counterx, countery, 30, ILI9341_BLUE);

  if (counterx < RAD || counterx > (320 - RAD)) {
    dirx = !dirx;
  }
  if (countery < RAD || countery > (240 - RAD)) {
    diry = !diry;
  }

  Serial.printf(" CounterX : %d , CounterY : %d \n", counterx, countery);

  if (dirx) {
    counterx = STEPX + counterx;
  } else {
    counterx = counterx - STEPX;
  }

  if (diry) {
    countery = countery + STEPY;
  } else {
    countery = countery - STEPY;
  }
}