// Test project
//
// See also: https://wokwi.com/projects/453913827100551169
// Original: https://wokwi.com/projects/307567963154678338
// Note: the preferred pin for CS is pin 10 --> changed.


/*
  Fingerprint - generating a complex graphics pattern with little code.

  Try changing line 27 and experimenting with the patterns, e.g.:
  tft.drawPixel(x, y, (x + y) * sin(x * y));

  https://wokwi.com/arduino/projects/307567963154678338
*/

#include <Adafruit_ILI9341.h>

#define TFT_CS   10      // 10 is preferred for CS
#define TFT_DC   9       // pin 9 is as good as any other pin.
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define WIDTH 320
#define HEIGHT 240

void setup(void) {
  Serial.begin(115200);
  Serial.print("SCK is pin ");
  Serial.println(SCK);
  Serial.print("MISO is pin ");
  Serial.println(MISO);
  Serial.print("MOSI is pin ");
  Serial.println(MOSI);
  Serial.print("SS is default pin ");
  Serial.println(SS);


  tft.begin();
  tft.setRotation(1);
}

void loop() {
  for (int y = 0; y < HEIGHT; y++) {
    for (int x = 0; x < WIDTH; x++) {
      tft.drawPixel(x, y, x * y);
    }
  }
}