kopia lustrzana https://github.com/Aircoookie/WLED
402 wiersze
13 KiB
C++
402 wiersze
13 KiB
C++
#include "src/dependencies/timezone/Timezone.h"
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#include "wled.h"
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/*
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* Acquires time from NTP server
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*/
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Timezone* tz;
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#define TZ_UTC 0
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#define TZ_UK 1
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#define TZ_EUROPE_CENTRAL 2
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#define TZ_EUROPE_EASTERN 3
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#define TZ_US_EASTERN 4
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#define TZ_US_CENTRAL 5
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#define TZ_US_MOUNTAIN 6
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#define TZ_US_ARIZONA 7
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#define TZ_US_PACIFIC 8
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#define TZ_CHINA 9
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#define TZ_JAPAN 10
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#define TZ_AUSTRALIA_EASTERN 11
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#define TZ_NEW_ZEALAND 12
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#define TZ_NORTH_KOREA 13
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#define TZ_INDIA 14
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#define TZ_SASKACHEWAN 15
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#define TZ_AUSTRALIA_NORTHERN 16
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#define TZ_AUSTRALIA_SOUTHERN 17
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#define TZ_HAWAII 18
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#define TZ_INIT 255
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byte tzCurrent = TZ_INIT; //uninitialized
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void updateTimezone() {
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delete tz;
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TimeChangeRule tcrDaylight = {Last, Sun, Mar, 1, 0}; //UTC
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TimeChangeRule tcrStandard = tcrDaylight; //UTC
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switch (currentTimezone) {
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case TZ_UK : {
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tcrDaylight = {Last, Sun, Mar, 1, 60}; //British Summer Time
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tcrStandard = {Last, Sun, Oct, 2, 0}; //Standard Time
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break;
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}
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case TZ_EUROPE_CENTRAL : {
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tcrDaylight = {Last, Sun, Mar, 2, 120}; //Central European Summer Time
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tcrStandard = {Last, Sun, Oct, 3, 60}; //Central European Standard Time
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break;
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}
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case TZ_EUROPE_EASTERN : {
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tcrDaylight = {Last, Sun, Mar, 3, 180}; //East European Summer Time
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tcrStandard = {Last, Sun, Oct, 4, 120}; //East European Standard Time
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break;
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}
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case TZ_US_EASTERN : {
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tcrDaylight = {Second, Sun, Mar, 2, -240}; //EDT = UTC - 4 hours
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tcrStandard = {First, Sun, Nov, 2, -300}; //EST = UTC - 5 hours
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break;
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}
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case TZ_US_CENTRAL : {
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tcrDaylight = {Second, Sun, Mar, 2, -300}; //CDT = UTC - 5 hours
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tcrStandard = {First, Sun, Nov, 2, -360}; //CST = UTC - 6 hours
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break;
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}
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case TZ_US_MOUNTAIN : {
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tcrDaylight = {Second, Sun, Mar, 2, -360}; //MDT = UTC - 6 hours
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tcrStandard = {First, Sun, Nov, 2, -420}; //MST = UTC - 7 hours
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break;
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}
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case TZ_US_ARIZONA : {
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tcrDaylight = {First, Sun, Nov, 2, -420}; //MST = UTC - 7 hours
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tcrStandard = {First, Sun, Nov, 2, -420}; //MST = UTC - 7 hours
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break;
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}
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case TZ_US_PACIFIC : {
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tcrDaylight = {Second, Sun, Mar, 2, -420}; //PDT = UTC - 7 hours
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tcrStandard = {First, Sun, Nov, 2, -480}; //PST = UTC - 8 hours
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break;
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}
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case TZ_CHINA : {
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tcrDaylight = {Last, Sun, Mar, 1, 480}; //CST = UTC + 8 hours
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tcrStandard = tcrDaylight;
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break;
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}
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case TZ_JAPAN : {
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tcrDaylight = {Last, Sun, Mar, 1, 540}; //JST = UTC + 9 hours
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tcrStandard = tcrDaylight;
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break;
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}
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case TZ_AUSTRALIA_EASTERN : {
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tcrDaylight = {Second, Sun, Oct, 2, 660}; //AEDT = UTC + 11 hours
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tcrStandard = {First, Sun, Apr, 3, 600}; //AEST = UTC + 10 hours
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break;
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}
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case TZ_NEW_ZEALAND : {
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tcrDaylight = {Second, Sun, Sep, 2, 780}; //NZDT = UTC + 13 hours
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tcrStandard = {First, Sun, Apr, 3, 720}; //NZST = UTC + 12 hours
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break;
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}
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case TZ_NORTH_KOREA : {
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tcrDaylight = {Last, Sun, Mar, 1, 510}; //Pyongyang Time = UTC + 8.5 hours
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tcrStandard = tcrDaylight;
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break;
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}
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case TZ_INDIA : {
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tcrDaylight = {Last, Sun, Mar, 1, 330}; //India Standard Time = UTC + 5.5 hours
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tcrStandard = tcrDaylight;
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break;
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}
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case TZ_SASKACHEWAN : {
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tcrDaylight = {First, Sun, Nov, 2, -360}; //CST = UTC - 6 hours
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tcrStandard = tcrDaylight;
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break;
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}
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case TZ_AUSTRALIA_NORTHERN : {
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tcrStandard = {First, Sun, Apr, 3, 570}; //ACST = UTC + 9.5 hours
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tcrStandard = tcrDaylight;
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break;
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}
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case TZ_AUSTRALIA_SOUTHERN : {
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tcrDaylight = {First, Sun, Oct, 2, 630}; //ACDT = UTC + 10.5 hours
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tcrStandard = {First, Sun, Apr, 3, 570}; //ACST = UTC + 9.5 hours
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break;
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}
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case TZ_HAWAII : {
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tcrDaylight = {Last, Sun, Mar, 1, -600}; //HST = UTC - 10 hours
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tcrStandard = tcrDaylight;
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break;
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}
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}
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tzCurrent = currentTimezone;
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tz = new Timezone(tcrDaylight, tcrStandard);
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}
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void handleNetworkTime()
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{
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if (ntpEnabled && ntpConnected && millis() - ntpLastSyncTime > 50000000L && WLED_CONNECTED)
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{
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if (millis() - ntpPacketSentTime > 10000)
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{
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sendNTPPacket();
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ntpPacketSentTime = millis();
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}
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if (checkNTPResponse())
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{
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ntpLastSyncTime = millis();
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}
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}
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}
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void sendNTPPacket()
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{
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if (!ntpServerIP.fromString(ntpServerName)) //see if server is IP or domain
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{
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#ifdef ESP8266
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WiFi.hostByName(ntpServerName, ntpServerIP, 750);
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#else
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WiFi.hostByName(ntpServerName, ntpServerIP);
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#endif
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}
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DEBUG_PRINTLN(F("send NTP"));
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byte pbuf[NTP_PACKET_SIZE];
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memset(pbuf, 0, NTP_PACKET_SIZE);
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pbuf[0] = 0b11100011; // LI, Version, Mode
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pbuf[1] = 0; // Stratum, or type of clock
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pbuf[2] = 6; // Polling Interval
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pbuf[3] = 0xEC; // Peer Clock Precision
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// 8 bytes of zero for Root Delay & Root Dispersion
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pbuf[12] = 49;
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pbuf[13] = 0x4E;
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pbuf[14] = 49;
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pbuf[15] = 52;
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ntpUdp.beginPacket(ntpServerIP, 123); //NTP requests are to port 123
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ntpUdp.write(pbuf, NTP_PACKET_SIZE);
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ntpUdp.endPacket();
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}
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bool checkNTPResponse()
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{
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int cb = ntpUdp.parsePacket();
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if (cb) {
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DEBUG_PRINT(F("NTP recv, l="));
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DEBUG_PRINTLN(cb);
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byte pbuf[NTP_PACKET_SIZE];
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ntpUdp.read(pbuf, NTP_PACKET_SIZE); // read the packet into the buffer
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unsigned long highWord = word(pbuf[40], pbuf[41]);
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unsigned long lowWord = word(pbuf[42], pbuf[43]);
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if (highWord == 0 && lowWord == 0) return false;
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unsigned long secsSince1900 = highWord << 16 | lowWord;
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DEBUG_PRINT(F("Unix time = "));
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unsigned long epoch = secsSince1900 - 2208988799UL; //subtract 70 years -1sec (on avg. more precision)
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setTime(epoch);
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DEBUG_PRINTLN(epoch);
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if (countdownTime - now() > 0) countdownOverTriggered = false;
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// if time changed re-calculate sunrise/sunset
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updateLocalTime();
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calculateSunriseAndSunset();
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return true;
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}
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return false;
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}
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void updateLocalTime()
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{
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if (currentTimezone != tzCurrent) updateTimezone();
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unsigned long tmc = now()+ utcOffsetSecs;
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localTime = tz->toLocal(tmc);
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}
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void getTimeString(char* out)
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{
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updateLocalTime();
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byte hr = hour(localTime);
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if (useAMPM)
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{
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if (hr > 11) hr -= 12;
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if (hr == 0) hr = 12;
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}
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sprintf_P(out,PSTR("%i-%i-%i, %02d:%02d:%02d"),year(localTime), month(localTime), day(localTime), hr, minute(localTime), second(localTime));
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if (useAMPM)
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{
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strcat(out,(hour(localTime) > 11)? " PM":" AM");
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}
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}
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void setCountdown()
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{
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if (currentTimezone != tzCurrent) updateTimezone();
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countdownTime = tz->toUTC(getUnixTime(countdownHour, countdownMin, countdownSec, countdownDay, countdownMonth, countdownYear));
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if (countdownTime - now() > 0) countdownOverTriggered = false;
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}
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//returns true if countdown just over
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bool checkCountdown()
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{
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unsigned long n = now();
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if (countdownMode) localTime = countdownTime - n + utcOffsetSecs;
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if (n > countdownTime) {
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if (countdownMode) localTime = n - countdownTime + utcOffsetSecs;
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if (!countdownOverTriggered)
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{
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if (macroCountdown != 0) applyPreset(macroCountdown);
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countdownOverTriggered = true;
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return true;
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}
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}
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return false;
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}
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byte weekdayMondayFirst()
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{
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byte wd = weekday(localTime) -1;
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if (wd == 0) wd = 7;
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return wd;
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}
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void checkTimers()
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{
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if (lastTimerMinute != minute(localTime)) //only check once a new minute begins
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{
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lastTimerMinute = minute(localTime);
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// re-calculate sunrise and sunset just after midnight
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if (!hour(localTime) && minute(localTime)==1) calculateSunriseAndSunset();
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if (sunrise && sunset) daytime = difftime(localTime, sunrise) > 0 && difftime(localTime, sunset) < 0;
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DEBUG_PRINTF("Local time: %02d:%02d\n", hour(localTime), minute(localTime));
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for (uint8_t i = 0; i < 8; i++)
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{
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if (timerMacro[i] != 0
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&& (timerHours[i] == hour(localTime) || timerHours[i] == 24) //if hour is set to 24, activate every hour
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&& timerMinutes[i] == minute(localTime)
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&& (timerWeekday[i] & 0x01) //timer is enabled
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&& ((timerWeekday[i] >> weekdayMondayFirst()) & 0x01)) //timer should activate at current day of week
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{
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applyPreset(timerMacro[i]);
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}
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}
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// sunrise macro
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if (sunrise) {
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time_t tmp = sunrise + timerMinutes[8]*60; // NOTE: may not be ok
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DEBUG_PRINTF("Trigger time: %02d:%02d\n", hour(tmp), minute(tmp));
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if (timerMacro[8] != 0
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&& hour(tmp) == hour(localTime)
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&& minute(tmp) == minute(localTime)
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&& (timerWeekday[8] & 0x01) //timer is enabled
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&& ((timerWeekday[8] >> weekdayMondayFirst()) & 0x01)) //timer should activate at current day of week
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{
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applyPreset(timerMacro[8]);
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DEBUG_PRINTF("Sunrise macro %d triggered.",timerMacro[8]);
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}
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}
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// sunset macro
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if (sunset) {
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time_t tmp = sunset + timerMinutes[9]*60; // NOTE: may not be ok
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DEBUG_PRINTF("Trigger time: %02d:%02d\n", hour(tmp), minute(tmp));
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if (timerMacro[9] != 0
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&& hour(tmp) == hour(localTime)
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&& minute(tmp) == minute(localTime)
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&& (timerWeekday[9] & 0x01) //timer is enabled
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&& ((timerWeekday[9] >> weekdayMondayFirst()) & 0x01)) //timer should activate at current day of week
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{
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applyPreset(timerMacro[9]);
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DEBUG_PRINTF("Sunset macro %d triggered.",timerMacro[9]);
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}
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}
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}
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}
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#define ZENITH -0.83
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// get sunrise (or sunset) time (in minutes) for a given day at a given geo location
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int getSunriseUTC(int year, int month, int day, float lat, float lon, bool sunset=false) {
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//1. first calculate the day of the year
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float N1 = floor(275 * month / 9);
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float N2 = floor((month + 9) / 12);
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float N3 = (1 + floor((year - 4 * floor(year / 4) + 2) / 3));
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float N = N1 - (N2 * N3) + day - 30;
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//2. convert the longitude to hour value and calculate an approximate time
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float lngHour = lon / 15.0;
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float t = N + (((sunset ? 18 : 6) - lngHour) / 24);
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//3. calculate the Sun's mean anomaly
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float M = (0.9856 * t) - 3.289;
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//4. calculate the Sun's true longitude
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float L = fmod(M + (1.916 * sin(DEG_TO_RAD*M)) + (0.020 * sin(2*DEG_TO_RAD*M)) + 282.634, 360.0);
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//5a. calculate the Sun's right ascension
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float RA = fmod(RAD_TO_DEG*atan(0.91764 * tan(DEG_TO_RAD*L)), 360.0);
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//5b. right ascension value needs to be in the same quadrant as L
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float Lquadrant = floor( L/90) * 90;
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float RAquadrant = floor(RA/90) * 90;
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RA = RA + (Lquadrant - RAquadrant);
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//5c. right ascension value needs to be converted into hours
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RA /= 15.;
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//6. calculate the Sun's declination
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float sinDec = 0.39782 * sin(DEG_TO_RAD*L);
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float cosDec = cos(asin(sinDec));
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//7a. calculate the Sun's local hour angle
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float cosH = (sin(DEG_TO_RAD*ZENITH) - (sinDec * sin(DEG_TO_RAD*lat))) / (cosDec * cos(DEG_TO_RAD*lat));
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if (cosH > 1 && !sunset) return 0; // the sun never rises on this location (on the specified date)
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if (cosH < -1 && sunset) return 0; // the sun never sets on this location (on the specified date)
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//7b. finish calculating H and convert into hours
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float H = sunset ? RAD_TO_DEG*acos(cosH) : 360 - RAD_TO_DEG*acos(cosH);
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H /= 15.;
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//8. calculate local mean time of rising/setting
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float T = H + RA - (0.06571 * t) - 6.622;
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//9. adjust back to UTC
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float UT = fmod(T - lngHour, 24.0);
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// return in minutes from midnight
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return UT*60;
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}
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// calculate sunrise and sunset (if longitude and latitude are set)
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void calculateSunriseAndSunset() {
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if ((int)(longitude*10.) || (int)(latitude*10.)) {
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struct tm tim_0;
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tim_0.tm_year = year(localTime)-1900;
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tim_0.tm_mon = month(localTime)-1;
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tim_0.tm_mday = day(localTime);
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tim_0.tm_sec = 0;
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tim_0.tm_isdst = 0;
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int minUTC = getSunriseUTC(year(localTime), month(localTime), day(localTime), latitude, longitude);
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if (minUTC) {
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// there is a sunrise
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tim_0.tm_hour = minUTC / 60;
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tim_0.tm_min = minUTC % 60;
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sunrise = tz->toLocal(mktime(&tim_0) - utcOffsetSecs);
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DEBUG_PRINTF("Sunrise: %02d:%02d\n", hour(sunrise), minute(sunrise));
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} else {
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sunrise = 0;
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}
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minUTC = getSunriseUTC(year(localTime), month(localTime), day(localTime), latitude, longitude, true);
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if (minUTC) {
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// there is a sunset
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tim_0.tm_hour = minUTC / 60;
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tim_0.tm_min = minUTC % 60;
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sunset = tz->toLocal(mktime(&tim_0) - utcOffsetSecs);
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DEBUG_PRINTF("Sunset: %02d:%02d\n", hour(sunset), minute(sunset));
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} else {
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sunset = 0;
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}
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}
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}
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