66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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#pragma once
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#include "Arduino.h"
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#include <ESP8266WiFi.h>
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#include <WiFiUdp.h>
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#define SEVENZYYEARS 2208988800UL
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#define NTP_PACKET_SIZE 48
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class NTPClient {
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private:
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WiFiUDP _udp;
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const char* _poolServerName = "time.nist.gov"; // Default time server
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int _port = 1337;
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int _timeOffset;
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unsigned int _updateInterval = 60000; // In ms
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unsigned long _currentEpoc; // In s
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unsigned long _lastUpdate = 0; // In ms
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byte _packetBuffer[NTP_PACKET_SIZE];
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void sendNTPPacket(IPAddress _timeServerIP);
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public:
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NTPClient(int timeOffset);
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NTPClient(const char* poolServerName);
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NTPClient(const char* poolServerName, int timeOffset);
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NTPClient(const char* poolServerName, int timeOffset, int updateInterval);
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/**
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* Starts the NTPClient
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* This will create the UDP Socket and get the first update from the NTP server. This must be called after
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* a WiFi connection is established.
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*/
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void begin();
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/**
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* This should be called in the main loop of your application. By default an update from the NTP Server is only
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* made every 60 seconds. This can be configured in the NTPClient constructor.
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*/
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void update();
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/**
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* This will force the update from the NTP Server.
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*/
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void forceUpdate();
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String getHours();
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String getMinutes();
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String getSeconds();
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/**
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* @return time formatted like `hh:mm:ss`
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*/
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String getFormattedTime();
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/**
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* @return time as raw seconds
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*/
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unsigned long getRawTime();
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};
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