#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

#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
  // put your setup code here, to run once:
    // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
  if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever
  }
  
  display.clearDisplay();
  display.setTextWrap(false);
  display.setTextSize(2);                                   // 2x scale text
  display.setTextColor(SSD1306_WHITE, SSD1306_BLACK);       // Draw white text on solid black background
  display.setCursor(0, 0);

  //display.println("LipSync");

  display.setTextSize(1);  
  //display.println("v4.0.1");
  //display.println("Makers Making Change");

//Main splash screen
/*
  display.setTextSize(2);
  drawCentreString("LipSync", 64, 12);

  display.setTextSize(1);
  drawCentreString("v4.0.1", 64, 32);
  drawCentreString("Makers Making Change", 64, 54);
  */

  display.setTextSize(2);
  drawCentreString("LipSync", 64, 0);

  display.setTextSize(1);
  drawCentreString("v4.0.1", 64, 16);
  drawCentreString("Makers Making Change", 64, 28);

  drawCentreString("Mode:", 64, 40);
  display.setTextSize(2);
  drawCentreString("USB Mouse", 64, 48);

  display.display();
}

void loop() {
  // put your main code here, to run repeatedly:

}

void drawCentreString(const String &buf, int x, int y)
{
    int16_t x1, y1;
    uint16_t w, h;
    display.getTextBounds(buf, x, y, &x1, &y1, &w, &h); //calc width of new string
    display.setCursor(x - w / 2, y);
    display.print(buf);
}