envirstation first commit

NTPtimeESP.h

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+/*
+
+   NTPtime for ESP8266/ESP32
+   This routine gets the unixtime from a NTP server and adjusts it to the time zone and the
+   Middle European summer time if requested
+
+  Author: Andreas Spiess V1.0 2016-6-28
+
+  Based on work from John Lassen: http://www.john-lassen.de/index.php/projects/esp-8266-arduino-ide-webconfig
+
+*/
+#ifndef NTPtime_h
+#define NTPtime_h
+
+// #define DEBUG_ON
+
+#include <Arduino.h>
+#ifdef ESP32
+#include <WiFi.h>
+#else
+#include <ESP8266WiFi.h>
+#endif
+#include <WiFiUdp.h>
+
+struct strDateTime
+{
+  byte hour;
+  byte minute;
+  byte second;
+  int year;
+  byte month;
+  byte day;
+  byte dayofWeek;
+  unsigned long epochTime;
+  boolean valid;
+};
+
+class NTPtime {
+  public:
+    NTPtime();
+    NTPtime(String NTPtime);
+    strDateTime getNTPtime(float _timeZone, int _DayLightSaving);
+    void setNTPPool(String NTPtime);
+    void printDateTime(strDateTime _dateTime);
+    bool setSendInterval(unsigned long _sendInterval);  // in seconds
+    bool setRecvTimeout(unsigned long _recvTimeout);    // in seconds
+
+  private:
+    bool _sendPhase;
+    unsigned long _sentTime;
+    unsigned long _sendInterval;
+    unsigned long _recvTimeout;
+
+    strDateTime ConvertUnixTimestamp( unsigned long _tempTimeStamp);
+    boolean summerTime(unsigned long _timeStamp );
+    boolean daylightSavingTime(unsigned long _timeStamp);
+    unsigned long adjustTimeZone(unsigned long _timeStamp, float _timeZone, int _DayLightSavingSaving);
+    WiFiUDP UDPNTPClient;
+};
+#endif