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

int TFC_DC = 9;
int TFT_CS = 10;

const int led = 13;
const int but = 4;

//apparently it inits the display
//Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
Adafruit_ILI9341 tft = Adafruit_ILI9341(10, 9);

void setup() {
  tft.begin();
  // put your setup code here, to run once:
  pinMode(led, OUTPUT);
  pinMode(but, INPUT_PULLUP);
}

void loop() {
  // put your main code here, to run repeatedly:
  int butState = digitalRead(but);
  if (butState == LOW) {
    digitalWrite(led, HIGH);
    tft.fillScreen(ILI9341_BLUE);
  } else {
    digitalWrite(led, LOW);
    tft.fillScreen(ILI9341_BLACK);
  }

}