ESP8266带2个I2C的OLED屏幕示例程序

Posted 2021-06-24 perseverance52

ESP8266带2个I2C的OLED屏幕示例程序

• 开发板nodemcu
• 开发环境：Arduino IDE
• 使用的库ESP8266_and_ESP32_OLED_driver_for_SSD1306_displays
• 库版本4.2.0，下载链接
  示例代码

/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2018 by ThingPulse, Daniel Eichhorn
 *
 * 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 Wire include
#include <Wire.h>  // Only needed for Arduino 1.6.5 and earlier
#include "SSD1306Wire.h" // legacy include: `#include "SSD1306.h"`
#include "images.h"

// Initialize the OLED display using Wire library
SSD1306Wire  display(0x3c, D3, D5);
SSD1306Wire  display2(0x3c, D1, D2);

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println();


  // Initialising the UI will init the display too.
  display.init();
  display2.init();

  // This will make sure that multiple instances of a display driver
  // running on different ports will work together transparently
  display.setI2cAutoInit(true);
  display2.setI2cAutoInit(true);

  display.flipScreenVertically();
  display.setFont(ArialMT_Plain_10);
  display.setTextAlignment(TEXT_ALIGN_LEFT);

  display2.flipScreenVertically();
  display2.setFont(ArialMT_Plain_10);
  display2.setTextAlignment(TEXT_ALIGN_LEFT);

}

void loop() {
  display.clear();
  display.drawString(0, 0, "Hello world: " + String(millis()));
  display.display();

  display2.clear();
  display2.drawString(0, 0, "Hello world: " + String(millis()));
  display2.display();

  delay(10);
}