Try this one:
/**
The MIT License (MIT)
Copyright (c) 2018 by ThingPulse, Daniel Eichhorn
Copyright (c) 2018 by Fabrice Weinberg
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
ThingPulse invests considerable time and money to develop these open source libraries.
Please support us by buying our products (and not the clones) from
https://thingpulse.com
*/
// Include the correct display library
// For a connection via I2C using the Arduino Wire include:
//#include <Wire.h> // Only needed for Arduino 1.6.5 and earlier
#include "SSD1306Wire.h" // legacy: #include "SSD1306.h"
// OR #include "SH1106Wire.h" // legacy: #include "SH1106.h"
//#include "SH1106Wire.h" // legacy: #include "SH1106.h"
// For a connection via I2C using brzo_i2c (must be installed) include:
// #include <brzo_i2c.h> // Only needed for Arduino 1.6.5 and earlier
// #include "SSD1306Brzo.h"
// OR #include "SH1106Brzo.h"
// For a connection via SPI include:
// #include <SPI.h> // Only needed for Arduino 1.6.5 and earlier
// #include "SSD1306Spi.h"
// OR #include "SH1106SPi.h"
// Optionally include custom images
//#include "images.h"
// Initialize the OLED display using Arduino Wire:
//SSD1306Wire display(0x3c, SDA, SCL); // ADDRESS, SDA, SCL - SDA and SCL usually populate automatically based on your board's pins_arduino.h e.g. https://github.com/esp8266/Arduino/blob/master/variants/nodemcu/pins_arduino.h
SSD1306Wire display(0x3c, D3, D5); // ADDRESS, SDA, SCL - If not, they can be specified manually.
// SSD1306Wire display(0x3c, SDA, SCL, GEOMETRY_128_32); // ADDRESS, SDA, SCL, OLEDDISPLAY_GEOMETRY - Extra param required for 128x32 displays.
//SH1106Wire display(0x3c, SDA, SCL); // ADDRESS, SDA, SCL
// Initialize the OLED display using brzo_i2c:
// SSD1306Brzo display(0x3c, D3, D5); // ADDRESS, SDA, SCL
// or
// SH1106Brzo display(0x3c, D3, D5); // ADDRESS, SDA, SCL
// Initialize the OLED display using SPI:
// D5 -> CLK
// D7 -> MOSI (DOUT)
// D0 -> RES
// D2 -> DC
// D8 -> CS
// SSD1306Spi display(D0, D2, D8); // RES, DC, CS
// or
// SH1106Spi display(D0, D2); // RES, DC
#define DEMO_DURATION 3000
typedef void (*Demo)(void);
int demoMode = 0;
int counter = 1;
void setup() {
Serial.begin(9600);
Serial.println();
Serial.println();
// Initialising the UI will init the display too.
display.init();
//display.flipScreenVertically();
display.setFont(ArialMT_Plain_10);
}
void drawFontFaceDemo() {
// Font Demo1
// create more fonts at http://oleddisplay.squix.ch/
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.setFont(ArialMT_Plain_10);
display.drawString(0, 0, "Hello world");
display.setFont(ArialMT_Plain_16);
display.drawString(0, 10, "Hello world");
display.setFont(ArialMT_Plain_24);
display.drawString(0, 26, "Hello world");
}
void drawTextFlowDemo() {
display.setFont(ArialMT_Plain_10);
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.drawStringMaxWidth(0, 0, 128,
"Lorem ipsum\n dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore." );
}
void drawTextAlignmentDemo() {
// Text alignment demo
display.setFont(ArialMT_Plain_10);
// The coordinates define the left starting point of the text
display.setTextAlignment(TEXT_ALIGN_LEFT);
display.drawString(0, 10, "Left aligned (0,10)");
// The coordinates define the center of the text
display.setTextAlignment(TEXT_ALIGN_CENTER);
display.drawString(64, 22, "Center aligned (64,22)");
// The coordinates define the right end of the text
display.setTextAlignment(TEXT_ALIGN_RIGHT);
display.drawString(128, 33, "Right aligned (128,33)");
}
void drawRectDemo() {
// Draw a pixel at given position
for (int i = 0; i < 10; i++) {
display.setPixel(i, i);
display.setPixel(10 - i, i);
}
display.drawRect(12, 12, 20, 20);
// Fill the rectangle
display.fillRect(14, 14, 17, 17);
// Draw a line horizontally
display.drawHorizontalLine(0, 40, 20);
// Draw a line horizontally
display.drawVerticalLine(40, 0, 20);
}
void drawCircleDemo() {
for (int i = 1; i < 8; i++) {
display.setColor(WHITE);
display.drawCircle(32, 32, i * 3);
if (i % 2 == 0) {
display.setColor(BLACK);
}
display.fillCircle(96, 32, 32 - i * 3);
}
}
void drawProgressBarDemo() {
int progress = (counter / 5) % 100;
// draw the progress bar
display.drawProgressBar(0, 32, 120, 10, progress);
// draw the percentage as String
display.setTextAlignment(TEXT_ALIGN_CENTER);
display.drawString(64, 15, String(progress) + "%");
}
void drawImageDemo() {
// see http://blog.squix.org/2015/05/esp8266-nodemcu-how-to-create-xbm.html
// on how to create xbm files
// display.drawXbm(34, 14, WiFi_Logo_width, WiFi_Logo_height, WiFi_Logo_bits);
}
Demo demos[] = {drawFontFaceDemo, drawTextFlowDemo, drawTextAlignmentDemo, drawRectDemo, drawCircleDemo, drawProgressBarDemo, drawImageDemo};
int demoLength = (sizeof(demos) / sizeof(Demo));
long timeSinceLastModeSwitch = 0;
void loop() {
// clear the display
display.clear();
// draw the current demo method
demos[demoMode]();
display.setFont(ArialMT_Plain_10);
display.setTextAlignment(TEXT_ALIGN_RIGHT);
display.drawString(128, 54, String(millis()));
// write the buffer to the display
display.display();
if (millis() - timeSinceLastModeSwitch > DEMO_DURATION) {
demoMode = (demoMode + 1) % demoLength;
timeSinceLastModeSwitch = millis();
}
counter++;
delay(10);
}
