//  https://github.com/adafruit/Adafruit_SSD1306/blob/master/Adafruit_SSD1306.h     Asian
//  https://github.com/adafruit/Adafruit-GFX-Library/blob/master/Adafruit_GFX.h

#include "Lvgl.h"


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

  Lvgl lvgl(128, 64, 0x3C);
  lvgl.text("GoodDay", 40, 3);
  lvgl.button("CONFIRM?");

}

void loop() {

}

sketch.ino

diagram.json

# Wokwi Library List
# See https://docs.wokwi.com/guides/libraries

Adafruit GFX Library
Adafruit SSD1306
WiFi
WireData

libraries.txt

#ifndef LVGL_H
#define LVGL_H

#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

class Lvgl : public Adafruit_SSD1306 {
  public:
    Lvgl(int width_p = 128, int height_p = 64, int adddress_p = 0x3C);
    ~Lvgl() {};
    void text(String text_p, int x, int y);
    void button(String text_p);
  private:
  protected:
};

#endif

Lvgl.h

#include "Lvgl.h"

Lvgl::Lvgl(int width_p, int height_p, int adddress_p)
  : Adafruit_SSD1306(width_p, height_p, &Wire, -1) {

  if (!begin(SSD1306_SWITCHCAPVCC, adddress_p)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }

  vTaskDelay(2000);
  clearDisplay();

  Serial.println("Lvgl 构造函数");
};


void Lvgl::text(String text_p, int x, int y) {
  setTextSize(1);
  setTextColor(WHITE);
  setCursor(x, y);
  println(text_p);
  display();
}

void Lvgl::button(String text_p) {
  fillRoundRect(32, 16, 64, 32, 10, WHITE);

  setTextSize(1);
  setTextColor(BLACK);
  setCursor(40, 30);
  println(text_p);

  display();
}
