arduino SSD1306 OLED时钟u8g2库

arduino SSD1306 OLED时钟u8g2库

#include <WiFi.h>  //EPS8266: <EPS8266WiFi.h>
#include <Wire.h>
#include <U8g2lib.h>
#include <time.h>
#include "images.h"

U8G2_SSD1306_128X64_NONAME_F_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

#define SDA 21 
#define SCL 22  

const char *ssid = "Wokwi-GUEST"; 
const char *password = ""; 
const char *NTPServer = "time1.aliyun.com";

char szTime[9];
char szData[20];
char szWeek[10];
uint8_t hour,minute,second,month,day,week;
uint16_t year;

// 连接WiFi
void connectWiFi(){
  WiFi.mode(WIFI_STA);
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) 
  { 
  delay(1000);
  }
  configTime(28800, 0, NTPServer);  //NTP服务
}


void setup() {
  Serial.begin(115200);
  Wire.begin(SDA,SCL);
  u8g2.begin();
  delay(200);
  u8g2.firstPage();
  do{
    u8g2.drawXBMP(34,14,WiFi_Logo_width, WiFi_Logo_height, WiFi_Logo_bits);
    u8g2.sendBuffer();
  }
  while(u8g2.nextPage());
  delay(2000);

  u8g2.enableUTF8Print();
  u8g2.clearBuffer();
  u8g2.setFont(u8g2_font_unifont_t_chinese3);
  u8g2.setCursor(14, 14);
  u8g2.print("开始连接WiFi");
  u8g2.sendBuffer();
  connectWiFi();
}

void getTime() {
  time_t now = time(nullptr);            // 获取当前时间戳
  struct tm *timeinfo = localtime(&now); // 转为本地时间
  hour = timeinfo->tm_hour;
  minute = timeinfo->tm_min;
  second = timeinfo->tm_sec;
  week = timeinfo->tm_wday;
  month = timeinfo->tm_mon + 1;
  day = timeinfo->tm_mday;
  year = timeinfo->tm_year + 1900;

  u8g2.clearBuffer();

  // Date
  u8g2.setFont(u8g2_font_unifont_t_chinese3);
  strftime(szData,sizeof(szData),"%Y-%m-%d",timeinfo);
  u8g2.drawStr(2, 12, szData);

  // Weekday
  strftime(szWeek,sizeof(szWeek),"%a",timeinfo);
  u8g2.drawStr(100, 12, szWeek);

  //Line
  u8g2.drawHLine(0, 14, 128);

  // Time
  u8g2.setFont(u8g2_font_logisoso24_tr);
  u8g2.drawStr(8, 44, szTime);
  strftime(szTime,sizeof(szTime),"%X", timeinfo);

  //Line
  u8g2.drawHLine(0, 48, 128);

  //IP address
  String ipAddress = WiFi.localIP().toString();
  u8g2.setFont(u8g2_font_pixzillav1_tr);
  u8g2.drawStr(19, 61,ipAddress.c_str());

  u8g2.setFont(u8g2_font_siji_t_6x10); // icon字体
  u8g2.drawGlyph(113, 61, 0x0e200); // 电源图标
  u8g2.drawGlyph(2, 61, 0x0e21a); // WiFi图标

  //空心矩形
  u8g2.drawFrame(0,0,128,64);

  // Send buffer to display
  u8g2.sendBuffer();
  delay(1000);
}


void loop() {
getTime();
}



images.h

#define WiFi_Logo_width 60
#define WiFi_Logo_height 36
const uint8_t WiFi_Logo_bits[] PROGMEM = {
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFF, 0x07, 0x00, 0x00, 0x00,
  0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF,
  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0x00,
  0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
  0xFF, 0x03, 0x00, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
  0x00, 0xFF, 0xFF, 0xFF, 0x07, 0xC0, 0x83, 0x01, 0x80, 0xFF, 0xFF, 0xFF,
  0x01, 0x00, 0x07, 0x00, 0xC0, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x0C, 0x00,
  0xC0, 0xFF, 0xFF, 0x7C, 0x00, 0x60, 0x0C, 0x00, 0xC0, 0x31, 0x46, 0x7C,
  0xFC, 0x77, 0x08, 0x00, 0xE0, 0x23, 0xC6, 0x3C, 0xFC, 0x67, 0x18, 0x00,
  0xE0, 0x23, 0xE4, 0x3F, 0x1C, 0x00, 0x18, 0x00, 0xE0, 0x23, 0x60, 0x3C,
  0x1C, 0x70, 0x18, 0x00, 0xE0, 0x03, 0x60, 0x3C, 0x1C, 0x70, 0x18, 0x00,
  0xE0, 0x07, 0x60, 0x3C, 0xFC, 0x73, 0x18, 0x00, 0xE0, 0x87, 0x70, 0x3C,
  0xFC, 0x73, 0x18, 0x00, 0xE0, 0x87, 0x70, 0x3C, 0x1C, 0x70, 0x18, 0x00,
  0xE0, 0x87, 0x70, 0x3C, 0x1C, 0x70, 0x18, 0x00, 0xE0, 0x8F, 0x71, 0x3C,
  0x1C, 0x70, 0x18, 0x00, 0xC0, 0xFF, 0xFF, 0x3F, 0x00, 0x00, 0x08, 0x00,
  0xC0, 0xFF, 0xFF, 0x1F, 0x00, 0x00, 0x0C, 0x00, 0x80, 0xFF, 0xFF, 0x1F,
  0x00, 0x00, 0x06, 0x00, 0x80, 0xFF, 0xFF, 0x0F, 0x00, 0x00, 0x07, 0x00,
  0x00, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0xF8, 0xFF, 0xFF,
  0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00,
  0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xFF,
  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xFF, 0x1F, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x80, 0xFF, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  };