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146 lines
3.6 KiB
146 lines
3.6 KiB
/*
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NTP MODULE
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Copyright (C) 2016-2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if NTP_SUPPORT
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#include <TimeLib.h>
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#include <NtpClientLib.h>
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#include <WiFiClient.h>
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#include <Ticker.h>
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bool _ntp_update = false;
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bool _ntp_configure = false;
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// -----------------------------------------------------------------------------
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// NTP
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// -----------------------------------------------------------------------------
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void _ntpWebSocketOnSend(JsonObject& root) {
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root["time"] = ntpDateTime();
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root["ntpVisible"] = 1;
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root["ntpStatus"] = ntpSynced();
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root["ntpServer1"] = getSetting("ntpServer1", NTP_SERVER);
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root["ntpServer2"] = getSetting("ntpServer2");
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root["ntpServer3"] = getSetting("ntpServer3");
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root["ntpOffset"] = getSetting("ntpOffset", NTP_TIME_OFFSET).toInt();
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root["ntpDST"] = getSetting("ntpDST", NTP_DAY_LIGHT).toInt() == 1;
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}
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void _ntpUpdate() {
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_ntp_update = false;
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#if WEB_SUPPORT
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wsSend(_ntpWebSocketOnSend);
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#endif
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DEBUG_MSG_P(PSTR("[NTP] Time: %s\n"), (char *) ntpDateTime().c_str());
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}
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void _ntpConfigure() {
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_ntp_configure = false;
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int offset = getSetting("ntpOffset", NTP_TIME_OFFSET).toInt();
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int sign = offset > 0 ? 1 : -1;
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offset = abs(offset);
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NTP.begin(
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getSetting("ntpServer", 1, NTP_SERVER).c_str(),
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sign * (offset / 60),
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getSetting("ntpDST", NTP_DAY_LIGHT).toInt() == 1,
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sign * (offset % 60)
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);
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if (hasSetting("ntpServer", 2)) NTP.setNtpServerName(getSetting("ntpServer", 2).c_str(), 1);
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if (hasSetting("ntpServer", 3)) NTP.setNtpServerName(getSetting("ntpServer", 3).c_str(), 2);
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NTP.setInterval(NTP_UPDATE_INTERVAL);
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_ntp_update = true;
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}
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void _ntpLoop() {
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if (_ntp_configure) _ntpConfigure();
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if (_ntp_update) _ntpUpdate();
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now();
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#if BROKER_SUPPORT
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static unsigned char last_minute = 60;
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if (ntpSynced() && (minute() != last_minute)) {
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last_minute = minute();
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brokerPublish(MQTT_TOPIC_DATETIME, ntpDateTime().c_str());
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}
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#endif
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}
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void _ntpBackwards() {
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int offset = getSetting("ntpOffset", NTP_TIME_OFFSET).toInt();
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if (-30 < offset && offset < 30) {
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offset *= 60;
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setSetting("ntpOffset", offset);
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}
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}
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// -----------------------------------------------------------------------------
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bool ntpSynced() {
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return (timeStatus() == timeSet);
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}
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String ntpDateTime() {
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if (!ntpSynced()) return String();
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char buffer[20];
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time_t t = now();
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snprintf_P(buffer, sizeof(buffer),
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PSTR("%04d-%02d-%02d %02d:%02d:%02d"),
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year(t), month(t), day(t), hour(t), minute(t), second(t)
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);
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return String(buffer);
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}
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// -----------------------------------------------------------------------------
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void ntpSetup() {
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_ntpBackwards();
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NTP.onNTPSyncEvent([](NTPSyncEvent_t error) {
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if (error) {
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#if WEB_SUPPORT
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wsSend_P(PSTR("{\"ntpStatus\": false}"));
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#endif
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if (error == noResponse) {
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DEBUG_MSG_P(PSTR("[NTP] Error: NTP server not reachable\n"));
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} else if (error == invalidAddress) {
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DEBUG_MSG_P(PSTR("[NTP] Error: Invalid NTP server address\n"));
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}
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} else {
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_ntp_update = true;
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}
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});
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wifiRegister([](justwifi_messages_t code, char * parameter) {
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if (code == MESSAGE_CONNECTED) _ntp_configure = true;
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});
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#if WEB_SUPPORT
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wsOnSendRegister(_ntpWebSocketOnSend);
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wsOnAfterParseRegister([]() { _ntp_configure = true; });
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#endif
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// Register loop
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espurnaRegisterLoop(_ntpLoop);
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}
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#endif // NTP_SUPPORT
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