ESP32天候表示のESP8266への移植

 
#include 
#include "SSD1306.h"
#include 
#include 
#include 
#include 
#include 
#include 

//Ticker tickerWeatherUpdate;
Ticker ticker1;
Ticker ticker2;
bool WeatherFlag = false;
bool TimeFlag = false;

SSD1306  display(0x3c, 4, 5);



const char* ssid = "Extender-G-9C58";
const char* password =  "cipnx4jyu87ue";

//NTP関連
struct tm timeInfo;
char date[20],hour_minute[20];

//天気関連
String now_weather,now_temp,tom_weather,tom_temp;
const String endpoint = "http://api.openweathermap.org/data/2.5/weather?q=takamatsu,jp&APPID=";
//const String endpoint_forecast = "http://api.openweathermap.org/data/2.5/forecast?q=takamatsu,jp&APPID=";
const String key = "894eb4eefcad160cdb231e3de2fde1f4";

//今日の天気を取得する関数
void get_today_weather(){
  HTTPClient http;
 
    http.begin(endpoint + key); //URLを指定
    int httpCode = http.GET();  //GETリクエストを送信
 
    if (httpCode > 0) { //返答がある場合
 
        String payload = http.getString();  //返答（JSON形式）を取得
        Serial.println(httpCode);
        Serial.println(payload);

        //jsonオブジェクトの作成

 String json = payload;
 const size_t capacity = JSON_OBJECT_SIZE(13) + 1000;
  DynamicJsonDocument doc(capacity);
// Serial.println(json);
  // Parse JSON object
  DeserializationError error = deserializeJson(doc, json);
  if (error) {
    Serial.print(F("deserializeJson() failed: "));
    Serial.println(error.c_str());
    return;
  }

        //各データを抜き出し
        const char* weather = doc["weather"][0]["main"].as();
        const double temp = doc["main"]["temp"].as();

        //表示用変数に各要素をセット
        now_weather = weather;
        now_temp = String(temp-273.15);
      }
 
    else {
      Serial.println("Error on HTTP request");
    }

    http.end(); //Free the resources
}

//ticker用の天気データまとめ関数
void get_weather_data(){
  get_today_weather();
//  get_tomorrow_weather();
}


void show_time(){
  time_t t;
  struct tm *tm;
  static const char *wd[7] = {"Sun","Mon","Tue","Wed","Thr","Fri","Sat"};

  t = time(NULL);
  tm = localtime(&t);
//  getLocalTime(&timeInfo);//tmオブジェクトのtimeInfoに現在時刻を入れ込む
  sprintf(date, "%04d/%02d/%02d (%s)",tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
          wd[tm->tm_wday]);//日付に変換
  sprintf(hour_minute, "%02d:%02d:%02d",tm->tm_hour, tm->tm_min, tm->tm_sec);//時間に変換
  Serial.println(date);
  Serial.println(hour_minute);
  display.clear();
  //日付を上の方に表示
  display.setFont(ArialMT_Plain_16);
  display.drawString(0, 0, date);
  //時間を中央に大きく表示
  display.setFont(ArialMT_Plain_24);
  display.drawString(20, 20, hour_minute);
  display.setFont(ArialMT_Plain_16);
  display.drawString(10, 48, "Temp=" + now_temp + "°C");
  display.display();
}
void SetTimeFlag(){
  TimeFlag = true;
}

void SetWeatherFlag() {
  WeatherFlag = true;
}

void setup() {
  Serial.begin(115200);
  Serial.println();
  Serial.println();
  display.init();//SSD1306を初期化
  
  //Wi-Fi関連
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi..");
  }
  Serial.println("Connected to the WiFi network");
  
  configTime(9 * 3600L, 0, "ntp.nict.jp", "time.google.com", "ntp.jst.mfeed.ad.jp");//NTPの設定

  //Tickerの設定

    ticker1.attach(15, SetTimeFlag);

    ticker2.attach(1800, SetWeatherFlag);
    get_weather_data();

}

void loop() {
  if (TimeFlag) {
    show_time();
    TimeFlag = false;
  } 
  if (WeatherFlag) {
    get_weather_data();
    WeatherFlag = false;
  }
}