• 【Arduino TFT】基于 ESP8266 以及 SSD1306实现的天气时钟


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    1. 前言

    在这里插入图片描述
    使用esp8266驱动 oled 1306 实现:

    • 日期时间
    • 城市温度信息
    • 未来三天预报信息

    2. 软件代码

    在这里插入图片描述

    2.1 主工程代码

    Esp8266_Clock_Weather.ino

    #include 
    #include 
    #include 
    
    #include 
    #include                   
    #include       
    
    #include "SSD1306Wire.h"    //0.96寸用这个
    #include "OLEDDisplayUi.h"
    #include "HeFeng.h"
    #include "WeatherStationFonts.h"
    #include "WeatherStationImages.h"
    
    /***************************
       Begin Settings
     **************************/
    const char* WIFI_SSID = "CMCC-pm3h";  //填写你的WIFI名称及密码
    const char* WIFI_PWD = "hw2htwv4";
    
    //由于太多人使用我的秘钥,导致获取次数超额,所以不提供秘钥了,大家可以到 https://dev.heweather.com/ 获取免费的
    const char* HEFENG_KEY = "f78a1c10fe5c490b8f3dc3946fe00975";//填写你的和风天气秘钥
    const char* HEFENG_LOCATION =   "101280107";//填写你的城市ID,可到 https://where.heweather.com/index.html 查询
    
    #define TZ              8      // 中国时区为8
    #define DST_MN          0      // 默认为0
    
    const int UPDATE_INTERVAL_SECS = 30 * 60; // 30分钟更新一次天气
    
    const int I2C_DISPLAY_ADDRESS = 0x3c;  //I2c地址默认
    
    const String WDAY_NAMES[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};  //星期
    const String MONTH_NAMES[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};  //月份
    
    /***************************
       End Settings
     **************************/
     
    SSD1306Wire     display(I2C_DISPLAY_ADDRESS, SDA, SCL);   // 0.96寸用这个
    OLEDDisplayUi   ui( &display );
    
    HeFengCurrentData currentWeather; //实例化对象
    HeFengForeData foreWeather[3];
    HeFeng HeFengClient;
    
    #define TZ_MN           ((TZ)*60)   //时间换算
    #define TZ_SEC          ((TZ)*3600)
    #define DST_SEC         ((DST_MN)*60)
    
    time_t now; //实例化时间
    
    bool readyForWeatherUpdate = false; // 天气更新标志
    bool first = true;  //首次更新标志
    long timeSinceLastWUpdate = 0;    //上次更新后的时间
    long timeSinceLastCurrUpdate = 0;   //上次天气更新后的时间
    
    void drawProgress(OLEDDisplay *display, int percentage, String label);   //提前声明函数
    void updateData(OLEDDisplay *display);
    void updateDatas(OLEDDisplay *display);
    void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
    void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
    void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y);
    void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex);
    void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state);
    void setReadyForWeatherUpdate();
    
    //添加框架
    //此数组保留指向所有帧的函数指针
    //框架是从右向左滑动的单个视图
    FrameCallback frames[] = { drawDateTime, drawCurrentWeather, drawForecast };
    //页面数量
    int numberOfFrames = 3;
    
    OverlayCallback overlays[] = { drawHeaderOverlay }; //覆盖回调函数
    int numberOfOverlays = 1;  //覆盖数
    
    void setup() {
      Serial.begin(115200);
      Serial.println();
      Serial.println();
    
      // 屏幕初始化
      display.init();
      display.clear();
      display.display();
    
      display.flipScreenVertically(); //屏幕翻转
      display.setContrast(120); //屏幕亮度
    
      wifiConnect();
    
      ui.setTargetFPS(30);  //刷新频率
    
      ui.setActiveSymbol(activeSymbole); //设置活动符号
      ui.setInactiveSymbol(inactiveSymbole); //设置非活动符号
      // 符号位置
      // 你可以把这个改成TOP, LEFT, BOTTOM, RIGHT
      ui.setIndicatorPosition(BOTTOM);
      // 定义第一帧在栏中的位置
      ui.setIndicatorDirection(LEFT_RIGHT);
      // 屏幕切换方向
      // 您可以更改使用的屏幕切换方向 SLIDE_LEFT, SLIDE_RIGHT, SLIDE_TOP, SLIDE_DOWN
      ui.setFrameAnimation(SLIDE_LEFT);
      ui.setFrames(frames, numberOfFrames); // 设置框架
      ui.setTimePerFrame(5000); //设置切换时间
      ui.setOverlays(overlays, numberOfOverlays); //设置覆盖
      // UI负责初始化显示
      ui.init();
      display.flipScreenVertically(); //屏幕反转
    
      configTime(TZ_SEC, DST_SEC, "ntp.ntsc.ac.cn", "ntp1.aliyun.com"); //ntp获取时间,你也可用其他"pool.ntp.org","0.cn.pool.ntp.org","1.cn.pool.ntp.org","ntp1.aliyun.com"
      delay(200);
    }
    
    void loop() {
      if (first) {  //首次加载
        updateDatas(&display);
        first = false;
      }
      if (millis() - timeSinceLastWUpdate > (1000L * UPDATE_INTERVAL_SECS)) { //屏幕刷新
        setReadyForWeatherUpdate();
        timeSinceLastWUpdate = millis();
      }
    
      if (readyForWeatherUpdate && ui.getUiState()->frameState == FIXED) { //天气更新
        updateData();
      }
    
      int remainingTimeBudget = ui.update(); //剩余时间预算
    
      if (remainingTimeBudget > 0) {
        //你可以在这里工作如果你低于你的时间预算。
        delay(remainingTimeBudget);
      }
      
    }
    
    void wifiConnect() {  //WIFI密码连接,Web配网请注释
      WiFi.begin(WIFI_SSID, WIFI_PWD);
      while (WiFi.status() != WL_CONNECTED) {
        Serial.print('.');
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_5);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_6);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_7);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_8);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_1);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_2);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_3);
        display.display();
        delay(80);
        display.clear();
        display.drawXbm(34, 0, bili_Logo_width, bili_Logo_height, bili_Logo_4);
        display.display();
      }
      Serial.println("");
      delay(500);
    }
    
    void drawProgress(OLEDDisplay *display, int percentage, String label) {    //绘制进度
      display->clear();
      display->setTextAlignment(TEXT_ALIGN_CENTER);
      display->setFont(ArialMT_Plain_10);
      display->drawString(64, 10, label);
      display->drawProgressBar(2, 28, 124, 10, percentage);
      display->display();
    }
    
    void updateData(void) {  //天气更新
      HeFengClient.doUpdateCurr(&currentWeather, HEFENG_KEY, HEFENG_LOCATION);
      HeFengClient.doUpdateFore(foreWeather, HEFENG_KEY, HEFENG_LOCATION);
      readyForWeatherUpdate = false;
    }
    
    void updateDatas(OLEDDisplay *display) {  //首次天气更新
      drawProgress(display, 33, "Updating weather...");
      HeFengClient.doUpdateCurr(&currentWeather, HEFENG_KEY, HEFENG_LOCATION);
      
      drawProgress(display, 66, "Updating forecasts...");
      HeFengClient.doUpdateFore(foreWeather, HEFENG_KEY, HEFENG_LOCATION);
      
      readyForWeatherUpdate = false;
      drawProgress(display, 100, "Done...");
      delay(200);
      
    }
    
    void drawDateTime(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {  //显示时间
      now = time(nullptr);
      struct tm* timeInfo;
      timeInfo = localtime(&now);
      char buff[16];
    
      display->setTextAlignment(TEXT_ALIGN_CENTER);
      display->setFont(ArialMT_Plain_16);
      String date = WDAY_NAMES[timeInfo->tm_wday];
    
      sprintf_P(buff, PSTR("%04d-%02d-%02d  %s"), timeInfo->tm_year + 1900, timeInfo->tm_mon + 1, timeInfo->tm_mday, WDAY_NAMES[timeInfo->tm_wday].c_str());
      display->drawString(64 + x, 5 + y, String(buff));
      display->setFont(ArialMT_Plain_24);
    
      sprintf_P(buff, PSTR("%02d:%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min, timeInfo->tm_sec);
      display->drawString(64 + x, 22 + y, String(buff));
      display->setTextAlignment(TEXT_ALIGN_LEFT);
    }
    
    void drawCurrentWeather(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {  //显示天气
      display->setFont(ArialMT_Plain_10);
      display->setTextAlignment(TEXT_ALIGN_CENTER);
      display->drawString(64 + x, 38 + y, currentWeather.cond_txt + "    |   Wind: " + currentWeather.wind_sc + "  ");
    
      display->setFont(ArialMT_Plain_24);
      display->setTextAlignment(TEXT_ALIGN_LEFT);
      String temp = currentWeather.tmp + "°C" ;
      display->drawString(60 + x, 3 + y, temp);
      display->setFont(ArialMT_Plain_10);
      display->drawString(62 + x, 26 + y, currentWeather.fl + "°C | " + currentWeather.hum + "%");
      display->setFont(Meteocons_Plain_36);
      display->setTextAlignment(TEXT_ALIGN_CENTER);
      display->drawString(32 + x, 0 + y, currentWeather.iconMeteCon);
    }
    
    void drawForecast(OLEDDisplay *display, OLEDDisplayUiState* state, int16_t x, int16_t y) {  //天气预报
      drawForecastDetails(display, x, y, 0);
      drawForecastDetails(display, x + 44, y, 1);
      drawForecastDetails(display, x + 88, y, 2);
    }
    
    void drawForecastDetails(OLEDDisplay *display, int x, int y, int dayIndex) {  //天气预报
      display->setTextAlignment(TEXT_ALIGN_CENTER);
      display->setFont(ArialMT_Plain_10);
      display->drawString(x + 20, y, foreWeather[dayIndex].dateStr);
      display->setFont(Meteocons_Plain_21);
      display->drawString(x + 20, y + 12, foreWeather[dayIndex].iconMeteCon);
    
      String temp = foreWeather[dayIndex].tmp_min + " | " + foreWeather[dayIndex].tmp_max;
      display->setFont(ArialMT_Plain_10);
      display->drawString(x + 20, y + 34, temp);
      display->setTextAlignment(TEXT_ALIGN_LEFT);
    }
    
    void drawHeaderOverlay(OLEDDisplay *display, OLEDDisplayUiState* state) {   //绘图页眉覆盖
      now = time(nullptr);
      struct tm* timeInfo;
      timeInfo = localtime(&now);
      char buff[14];
      sprintf_P(buff, PSTR("%02d:%02d"), timeInfo->tm_hour, timeInfo->tm_min);
    
      display->setColor(WHITE);
      display->setFont(ArialMT_Plain_10);
      display->setTextAlignment(TEXT_ALIGN_LEFT);
      display->drawString(6, 54, String(buff));
      display->setTextAlignment(TEXT_ALIGN_RIGHT);
      display->drawHorizontalLine(0, 52, 128);
    }
    
    void setReadyForWeatherUpdate() {  //为天气更新做好准备
      Serial.println("Setting readyForUpdate to true");
      readyForWeatherUpdate = true;
    }
    
    
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    2.2 和风天气

    • HeFeng.h
    
    #pragma once
    #include 
    
    typedef struct HeFengCurrentData {
    
      String cond_txt;
      String fl;
      String tmp;
      String hum;
      String wind_sc;
      String iconMeteCon;
    }
    HeFengCurrentData;
    typedef struct HeFengForeData {
      String dateStr;
      String tmp_min;
      String tmp_max;
      String iconMeteCon;
    
    }
    HeFengForeData;
    class HeFeng {
      private:
        String getMeteConIcon(String cond_code);
        bool fetchBuffer(const char* url);
        static uint8_t _buffer[1024 * 3]; //gzip流最大缓冲区
        static size_t _bufferSize;
      public:
        HeFeng();
        void doUpdateCurr(HeFengCurrentData *data, String key, String location);
        void doUpdateFore(HeFengForeData *data, String key, String location);
    };
    
    
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    • HeFeng.cpp
    
    #include 
    #include 
    #include 
    #include "ArduinoUZlib.h" // gzip库
    #include "HeFeng.h"
    
    uint8_t HeFeng::_buffer[1024 * 3];
    size_t HeFeng::_bufferSize = 0;
    
    HeFeng::HeFeng() {
    }
    
    bool HeFeng::fetchBuffer(const char *url)
    {
        _bufferSize = 0;
        std::unique_ptr<WiFiClientSecure> client(new WiFiClientSecure);
        client->setInsecure();
        HTTPClient https;
        Serial.print("[HTTPS] begin...now\n");
        if (https.begin(*client, url))
        {
            https.addHeader("Accept-Encoding", "gzip");
            https.setUserAgent("Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0");
            int httpCode = https.GET();
            if (httpCode > 0)
            {
                if (httpCode == HTTP_CODE_OK)
                {
                    int len = https.getSize(); // get length of document (is -1 when Server sends no Content-Length header)
                    static uint8_t buff[128 * 1] = {0}; // create buffer for read
                    int offset = 0;                 // read all data from server
                    while (https.connected() && (len > 0 || len == -1))
                    {
                        size_t size = client->available(); // get available data size
                        if (size)
                        {
                            int c = client->readBytes(buff, ((size > sizeof(buff)) ? sizeof(buff) : size));
                            memcpy(_buffer + offset, buff, sizeof(uint8_t) * c);
                            offset += c;
                            if (len > 0)
                            {
                                len -= c;
                            }
                        }
                        delay(1);
                    }
                    _bufferSize = offset;
                }
            }
            else
            {
                Serial.printf("[HTTPS] GET... failed, error: %s\n", https.errorToString(httpCode).c_str());
            }
            https.end();
        }else{
            Serial.printf("Unable to connect\n");
        }
        Serial.print("[HTTPS] end...now\n");
        return _bufferSize > 0;
    }
    
    void HeFeng::doUpdateCurr(HeFengCurrentData *data, String key, String location) {  //获取天气
    
      String url = "https://devapi.qweather.com/v7/weather/now?lang=en&gzip=n&location=" + location + "&key=" + key;
      Serial.print("[HTTPS] begin...now\n");
      fetchBuffer(url.c_str()); // HTTPS获取数据流
      if (_bufferSize){
         Serial.print("bufferSize:");
         Serial.println(_bufferSize, DEC);
         uint8_t *outBuf=NULL;
         size_t outLen = 0;
         ArduinoUZlib::decompress(_buffer, _bufferSize, outBuf, outLen); // GZIP解压
         // 输出解密后的数据到控制台。
         Serial.write(outBuf,outLen);
         if(outBuf && outLen){
             DynamicJsonDocument  jsonBuffer(2048);
             deserializeJson(jsonBuffer, (char*)outBuf,outLen);
             JsonObject root = jsonBuffer.as<JsonObject>();
    
             String tmp = root["now"]["temp"];//温度
             data->tmp = tmp;
             String fl = root["now"]["feelsLike"];//体感温度
             data->fl = fl;
             String hum = root["now"]["humidity"];//湿度
             data->hum = hum;
             String wind_sc = root["now"]["windScale"];//风力
             data->wind_sc = wind_sc;
             String cond_code = root["now"]["icon"];//天气图标
             String meteConIcon = getMeteConIcon(cond_code);
             String cond_txt = root["now"]["text"];//天气
             data->cond_txt = cond_txt;
             data->iconMeteCon = meteConIcon;
    
             jsonBuffer.clear();
          } else {
             Serial.println("doUpdateCurr failed");
             data->tmp = "-1";
             data->fl = "-1";
             data->hum = "-1";
             data->wind_sc = "-1";
             data->cond_txt = "no network";
             data->iconMeteCon = ")";
          }
          //一定要记得释放内存
          if(outBuf != NULL) {
             free(outBuf);
             outBuf=NULL;
          }
         _bufferSize = 0;
      }
    }
    
    void HeFeng::doUpdateFore(HeFengForeData *data, String key, String location) {  //获取预报
    
      String url = "https://devapi.qweather.com/v7/weather/3d?lang=en&gzip=n&location=" + location + "&key=" + key;
      Serial.print("[HTTPS] begin...forecast\n");
      fetchBuffer(url.c_str()); // HTTPS获取数据流
      if (_bufferSize){
         Serial.print("bufferSize:");
         Serial.println(_bufferSize, DEC);
         uint8_t *outBuf=NULL;
         size_t outLen = 0;
         ArduinoUZlib::decompress(_buffer, _bufferSize, outBuf, outLen); // GZIP解压
         // 输出解密后的数据到控制台。
         Serial.write(outBuf,outLen);
         if(outBuf && outLen){
             DynamicJsonDocument  jsonBuffer(2048);
             deserializeJson(jsonBuffer, (char*)outBuf,outLen);
             JsonObject root = jsonBuffer.as<JsonObject>();
    
             int i;
             for (i = 0; i < 3; i++) {
               String dateStr = root["daily"][i]["fxDate"];
               data[i].dateStr = dateStr.substring(5, dateStr.length());
               String tmp_min = root["daily"][i]["tempMin"];
               data[i].tmp_min = tmp_min;
               String tmp_max = root["daily"][i]["tempMax"];
               data[i].tmp_max = tmp_max;
               String cond_code = root["daily"][i]["iconDay"];
               String meteConIcon = getMeteConIcon(cond_code);
               data[i].iconMeteCon = meteConIcon;
             }
    
             jsonBuffer.clear();
          } else {
             int i;
             for (i = 0; i < 3; i++) {
               data[i].tmp_min = "-1";
               data[i].tmp_max = "-1";
               data[i].dateStr = "N/A";
               data[i].iconMeteCon = ")";
             }
          }
          //一定要记得释放内存
          if(outBuf != NULL) {
             free(outBuf);
             outBuf=NULL;
          }
         _bufferSize = 0;
      }
    }
    
    String HeFeng::getMeteConIcon(String cond_code) {  //获取天气图标  见 https://dev.qweather.com/docs/start/icons/
      if (cond_code == "100" || cond_code == "150" || cond_code == "9006") {//晴 Sunny/Clear
        return "B";
      }
      if (cond_code == "101") {//多云 Cloudy
        return "Y";
      }
      if (cond_code == "102") {//少云 Few Clouds
        return "N";
      }
      if (cond_code == "103" || cond_code == "153") {//晴间多云 Partly Cloudy/
        return "H";
      }
      if (cond_code == "104" || cond_code == "154") {//阴 Overcast
        return "D";
      }
      if (cond_code == "300" || cond_code == "301") {//阵雨 Shower Rain 301-强阵雨 Heavy Shower Rain
        return "T";
      }
      if (cond_code == "302" || cond_code == "303") {//302-雷阵雨  Thundershower / 303-强雷阵雨
        return "P";
      }
      if (cond_code == "304" || cond_code == "313" || cond_code == "404" || cond_code == "405" || cond_code == "406") {
        //304-雷阵雨伴有冰雹 Freezing Rain
        //313-冻雨 Freezing Rain
        //404-雨夹雪 Sleet
        //405-雨雪天气 Rain And Snow
        //406-阵雨夹雪  Shower Snow
        return "X";
      }
      if (cond_code == "305" || cond_code == "308" || cond_code == "309" || cond_code == "314" || cond_code == "399") {
        //305-小雨 Light Rain
        //308-极端降雨 Extreme Rain
        //309-毛毛雨/细雨 Drizzle Rain
        //314-小到中雨 Light to moderate rain
        //399-雨 Light to moderate rain
        return "Q";
      }
      if (cond_code == "306" || cond_code == "307" || cond_code == "310" || cond_code == "311" || cond_code == "312" || cond_code == "315" || cond_code == "316" || cond_code == "317" || cond_code == "318") {
        //306-中雨 Moderate Rain
        //307-大雨 Heavy Rain
        //310-暴雨  Storm
        //311-大暴雨 Heavy Storm
        //312-特大暴雨 Severe Storm
        //315-中到大雨 Moderate to heavy rain
        //316-大到暴雨 Heavy rain to storm
        //317-暴雨到大暴雨 Storm to heavy storm
        //318-大暴雨到特大暴雨 Heavy to severe storm
        return "R";
      }
      if (cond_code == "400" || cond_code == "408") {
        //400-小雪 Light Snow
        //408-小到中雪 Light to moderate snow
        return "U";
      }
      if (cond_code == "401" || cond_code == "402" || cond_code == "403" || cond_code == "409" || cond_code == "410") {
        //401-中雪 Moderate Snow
        //402-大雪 Heavy Snow
        //403-暴雪 Snowstorm
        //409-中到大雪 Moderate to heavy snow
        //410-大到暴雪 Heavy snow to snowstorm
        return "W";
      }
      if (cond_code == "407") {
        //407-阵雪 Snow Flurry
        return "V";
      }
      if (cond_code == "499" || cond_code == "901") {
        //499-雪 Snow
        //901-冷 Cold
        return "G";
      }
      if (cond_code == "500") {
        //500-薄雾 Mist
        return "E";
      }
      if (cond_code == "501" || cond_code == "509" || cond_code == "510" || cond_code == "514" || cond_code == "515") {
        //501-雾 Foggy
        return "M";
      }
      if (cond_code == "502" || cond_code == "511" || cond_code == "512" || cond_code == "513") {
        //502-霾 Haze
        return "L";
      }
      if (cond_code == "503" || cond_code == "504" || cond_code == "507" || cond_code == "508") {
        //503-扬沙 Sand
        return "F";
      }
      
      if (cond_code == "999") {//未知
        return ")";
      }
      if (cond_code == "213") {
        return "O";
      }
      if (cond_code == "200" || cond_code == "201" || cond_code == "202" || cond_code == "203" || cond_code == "204" || cond_code == "205" || cond_code == "206" || cond_code == "207" || cond_code == "208" || cond_code == "209" || cond_code == "210" || cond_code == "211" || cond_code == "212") {
        return "S";
      }
      return ")";
    }
    
    
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    2.3 字体图片(过大)

    • WeatherStationFonts.h
    • WeatherStationImages.h
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  • 原文地址:https://blog.csdn.net/dpjcn1990/article/details/133963562