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

#define TFT_DC 9
#define TFT_CS 10

#define BUTTONRED 2
#define BUTTONBLUE 3
#define BUTTONGREEN 4
#define BUTTONYELLOW 5

int TYPE = 0;

Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

void setup() 
{
  tft.begin();

  tft.setCursor(0, 0);
  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(0.5);
  tft.println("INITIALIZING SERIAL COMMUNICATION");

  delay(100);

        Serial.begin(9600);

  tft.println("SERIAL COMMUNICATION COMPLETE");

  delay(2000);
  tft.fillScreen(ILI9341_BLACK);
  tft.drawLine(0,0,30,0,ILI9341_WHITE);
  tft.setCursor(0,0);

  tft.print("PRESS RED TO CONTINUE");
  while (digitalRead(BUTTONRED) == LOW) 
  {
    tft.print(".");
    delay(1000);
  }
  tft.fillScreen(ILI9341_BLACK);
}




void loop() 
{
  if (digitalRead(BUTTONRED) == HIGH)
  {
    if (TYPE == 0)
    {
      TYPE++;
    } 
    else
    {
      TYPE--;
    }
  }

  if (digitalRead(BUTTONBLUE) == HIGH)
  {
    if (TYPE == 0) 
    {
      tft.fillScreen(ILI9341_BLUE);
    }
    if (TYPE == 1)
    {
      tft.print("!");
    }
  }

  if (digitalRead(BUTTONGREEN) == HIGH) 
  {
    if (TYPE == 0)
    {
      tft.fillScreen(ILI9341_GREEN);
    }
    if (TYPE == 1) 
    {
      tft.print("/");
    }
  }
  if (digitalRead(BUTTONYELLOW) == HIGH) 
  {
    if (TYPE == 0)
    {
      tft.print(":");
    }
    if (TYPE == 1) 
    {
      tft.print(";");
    }
  }
}