SSD1306_SPI_Arduino.ino

/* 
 * Developed By Dhanish Vijayan @ Elementz Engineers Guild Pvt Ltd
 * 
 * Demo for SSD1306 based 128x64 OLED module using Adafruit SSD1306 and SPI
 * library (https://github.com/adafruit/Adafruit_SSD1306).
 * 
 * See https://github.com/pacodelgado/arduino/wiki/SSD1306-based-OLED-connected-to-Arduino 
 * for more information.
 *
 *  Pin  Alternate Names Description    Arduino PINOUT
 *  VCC  Power supply                   VCC(5V)
 *  GND  Ground                         GND
 *  D0   SCL,CLK,SCK Clock              11
 *  D1   SDA,MOSI  Data                 12
 *  RES  RST,RESET Rest                 9
 *  DC   A0  Data/Command               8
 *  CS   Chip Select                    10
 */
 
#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

// If using software SPI (the default case):
#define OLED_MOSI  11   //D1
#define OLED_CLK   12   //D0
#define OLED_DC    9
#define OLED_CS    8
#define OLED_RESET 10

Adafruit_SSD1306 display(OLED_MOSI, OLED_CLK, OLED_DC, OLED_RESET, OLED_CS);

void setup()   {                
//  Serial.begin(9600);
  display.begin(SSD1306_SWITCHCAPVCC);
  display.display();
  delay(1000);
  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);
}

void loop()
{
  static unsigned long thisMicros = 0;
  static unsigned long lastMicros = 0;
  display.clearDisplay();
  display.setCursor(0,0);
  display.print("Elementz Engineers Guild Pvt Ltd \n");
  display.print("Kudos!! It works... \n");
  display.print(thisMicros - lastMicros);
  display.print(" microseconds");
  display.display();
  lastMicros = thisMicros;
  thisMicros = micros();
}