#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

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     4 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
  // put your setup code here, to run once:
  // put your setup code here, to run once:
  if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
}
  Serial.begin(9600);
  // put your main code here, to run repeatedly:
  display.clearDisplay();

  display.setTextSize(2);      // Normal 1:1 pixel scale
  display.setTextColor(SSD1306_WHITE); // Draw white text
}

void loop() {
updatedisplay();
delay(2000);
updatedisplay1();
delay(2000);
}

void updatedisplay(void) {
  display.clearDisplay();
  display.setCursor(0, 0);
  
  display.println ("CW");
  
  display.print ("12345");
  display.println (" RPM");

  display.print ("54321");
  display.println (" RPS");

  display.display();
}

void updatedisplay1(void) {
  display.clearDisplay();
  display.setCursor(0, 0);
  display.println ("CCW");
  display.print ("54321");
  display.println (" RPS");
  display.display();
}