#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);


const int y_pin = 27;
const int x_pin = 26;
const int button_pin = 16;

static const unsigned char PROGMEM obstacle1[8] = {
  B10101,
  B01110,
  B01110,
  B11111,
  B01110,
  B01110,
  B11111,
  B01110
};

void setup() {
  Serial1.begin(9600);
  Serial1.println("READY");

  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { 
    Serial1.println(("SSD1306 allocation failed"));
    for(;;);
  }

  delay(2000);
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 10);
  // Display static text
  display.println("Hello, world!!!");
  display.display(); 

  pinMode(y_pin, INPUT);
  pinMode(x_pin, INPUT);
  pinMode(button_pin, INPUT);

}

void loop() {
  display.clearDisplay();
  display.drawBitmap(10, 10, obstacle1, 10, 8, SSD1306_WHITE);
  display.display();

  Serial1.print("y: ");
  Serial1.print(analogRead(y_pin));
  Serial1.print("  x: ");
  Serial1.println(analogRead(x_pin));
  delay(1); // this speeds up the simulation
}