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

#define BTN_PIN 5
#define TFT_DC 2
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define BLACK     0x0000
#define BLUE      0x001F
#define RED       0xF800
#define GREEN     0x07E0
#define CYAN      0x07FF
#define MAGENTA   0xF81F
#define YELLOW    0xFFE0
#define WHITE     0xFFFF


void setup() {
  pinMode(BTN_PIN, INPUT_PULLUP);
  tft.begin();
  tft.setRotation(1);
  tft.setCursor(120,15);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("A120E101");
  tft.drawPixel(148,43,RED);
  tft.drawPixel(149,43,RED);
  tft.drawLine(5,5,100,5,RED);
  tft.fillRect(5,10,100,80,RED);
  tft.drawRect(110,10,100,80,CYAN);
  tft.fillRoundRect(5, 120, 100, 80, 5, BLUE);
  tft.drawCircle(130,150,10,RED);
  tft.fillCircle(150,150,10,RED);
  tft.drawTriangle(130,200,120,210,140,210,GREEN);

}
bool isMoving = false;
int x =155;
int y =150;
int inc_x = 3;
void loop() {
  if (digitalRead(BTN_PIN) == LOW) {
    isMoving = !isMoving;
  }
  if(isMoving){
    tft.fillCircle(x,y,10,ILI9341_BLACK);
    x = x + inc_x;
    tft.fillCircle(x,y,10,RED);
    if(x>309 || x<151) inc_x = -inc_x;
    tft.fillCircle(x,y,10,RED);  
  }
 
  delay(50);
}