/*
  #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);
*/
/*
  Adapted from the Adafruit and Xark's PDQ graphicstest sketch.

  See end of file for original header text and MIT license info.
*/

/*******************************************************************************
   Start of Arduino_GFX setting
 ******************************************************************************/
#include <Arduino_GFX_Library.h>
#include "Arduino_GFX_dev_device.h"
#include "Arduino_GFX_pins.h"
#include "Arduino_GFX_databus.h"
#include "Arduino_GFX_display.h"
/*******************************************************************************
   End of Arduino_GFX setting
 ******************************************************************************/

void setup(void)
{
  Serial.begin(115200);
  // Init Display
  if (!gfx->begin())
  {
    Serial.println("gfx->begin() failed!");
  }
  gfx->fillScreen(BLACK);

#ifdef GFX_BL
  pinMode(GFX_BL, OUTPUT);
  digitalWrite(GFX_BL, HIGH);
#endif

  gfx->setCursor(10, 10);
  gfx->setTextColor(RED);
  gfx->println("Hello World!");

  delay(5000); // 5 seconds
}

void loop()
{
  gfx->setCursor(random(gfx->width()), random(gfx->height()));
  gfx->setTextColor(random(0xffff), random(0xffff));
  gfx->setTextSize(random(6) /* x scale */, random(6) /* y scale */, random(2) /* pixel_margin */);
  gfx->println("Hello World!");

  delay(1000); // 1 second
}