Files
IoTManager/include/Clock.h
Yuri Trikoz 00fd9f9bb9 clock
2020-06-27 01:21:58 +03:00

142 lines
3.4 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
#pragma once
#include "Utils/TimeUtils.h"
#include "Utils/PrintMessage.h"
#include "TZ.h"
#include "sntp.h"
class Clock {
const char* MODULE = "Clock";
public:
Clock() : _timezone{0}, _hasSynced{false}, _configured{false} {}
void loop() {
unsigned long passed = millis_since(_uptime);
if (passed < ONE_SECOND_ms) {
return;
}
_uptime += passed;
// world time
time_t now = getSystemTime();
time_t estimated = _epoch + (passed / ONE_SECOND_ms);
double drift = difftime(now, estimated);
if (drift > 1) {
// Обработать ситуации c дрифтом времени на значительные величины
}
// TODO сохранять время на флеше
_epoch = now;
breakEpochToTime(_epoch, _time);
}
bool hasSync() {
if (!_hasSynced) {
startSync();
}
return _hasSynced;
}
void setNtpPool(String ntp) {
if (!_ntp.equals(ntp)) {
_ntp = ntp;
_configured = false;
}
}
void setTimezone(int timezone) {
if (_timezone != timezone) {
_timezone = timezone;
_configured = false;
}
}
void startSync() {
if (!_configured) {
pm.info("sync to: " + _ntp + " timezone: " + String(_timezone));
setupSntp();
_configured = true;
// лучше не ждать, проверим в следующий раз
return;
}
_hasSynced = hasTimeSynced();
if (_hasSynced) {
pm.info("synced " + getDateDigitalFormated() + " " + getTime());
} else {
pm.error("failed to obtain");
}
}
void setupSntp() {
sntp_setservername(0, _ntp.c_str());
sntp_setservername(1, "ru.pool.ntp.org");
sntp_setservername(2, "pool.ntp.org");
sntp_stop();
sntp_set_timezone(0); // UTC time
sntp_init();
}
bool hasTimeSynced() const {
return _epoch > MIN_DATETIME;
}
time_t getSystemTime() const {
timeval tv{0, 0};
timezone tz = timezone{0, 0};
time_t epoch = 0;
if (gettimeofday(&tv, &tz) != -1) {
epoch = tv.tv_sec;
}
return epoch;
}
const String getTimeUnix() {
return String(_epoch);
}
/*
* Локальное время "дд.ММ.гг"
*/
const String getDateDigitalFormated() {
char buf[16];
sprintf(buf, "%02d.%02d.%02d", _time.day_of_month, _time.month, _time.year);
return String(buf);
}
/*
* Локальное время "чч:мм:cc"
*/
const String getTime() {
char buf[16];
sprintf(buf, "%02d:%02d:%02d", _time.hour, _time.minute, _time.second);
return String(buf);
}
/*
* Локальное время "чч:мм"
*/
const String getTimeWOsec() {
char buf[16];
sprintf(buf, "%02d:%02d", _time.hour, _time.minute);
return String(buf);
}
/*
* Время с момента запуска "чч:мм" далее "дд чч:мм"
*/
const String getUptime() {
return prettyMillis(_uptime);
}
private:
Time_t _time;
unsigned long _uptime;
unsigned long _epoch;
int _timezone;
String _ntp;
bool _hasSynced;
bool _configured;
};