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

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



// Declaration for SSD1306 display connected using I2C
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

String str = "Hellow World!";

void setup()
{
  Serial.begin(9600);
  
  // initialize the OLED object
  if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }


  display.clearDisplay();

  // Display Text
  //display.setTextSize(1);//7×10
  display.setTextColor(WHITE);
  display.setCursor(0, 0);
  //display.print("0x"); display.print(0xFF, HEX);display.print("(HEX) = ");display.print(0xFF, BIN);display.print("(DEC)");
  
  display.setTextSize(2);
  display.write(3);//write asicll into buffer
  display.display();

  display.startscrollright(0x00, 0x07);//display has eight pages from 0 to 7
  delay(2000);
  display.startscrollleft(0x00, 0x07);//display has eight pages from 0 to 7
  delay(1000);
  display.startscrolldiagright(0x00, 0x07);
  delay(5000);

  //display.stopscroll();


}

void loop() {


}