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120 lines
2.9 KiB
120 lines
2.9 KiB
// Shim original TimeLib functions
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#pragma once
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constexpr time_t daysPerWeek = 7;
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constexpr time_t secondsPerMinute = 60;
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constexpr time_t secondsPerHour = 3600;
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constexpr time_t secondsPerDay = secondsPerHour * 24;
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constexpr time_t secondsPerWeek = daysPerWeek * secondsPerDay;
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constexpr time_t secondsPerYear = secondsPerWeek * 52;
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constexpr time_t secondsY2K = 946684800; // the time at the start of y2k
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// wall clock values
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constexpr const time_t numberOfSeconds(uint32_t ts) {
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return (ts % secondsPerMinute);
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}
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constexpr const time_t numberOfMinutes(uint32_t ts) {
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return ((ts / secondsPerMinute) % secondsPerMinute);
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}
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constexpr const time_t numberOfHours(uint32_t ts) {
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return ((ts % secondsPerDay) / secondsPerHour);
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}
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// week starts with sunday as number 1, monday as 2 etc.
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constexpr const time_t dayOfWeek(time_t ts) {
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return ((ts / secondsPerDay + 4) % daysPerWeek) + 1;
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}
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// the number of days since 0 (Jan 1 1970 in case of time_t values)
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constexpr const time_t elapsedDays(uint32_t ts) {
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return (ts / secondsPerDay);
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}
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// the number of seconds since last midnight
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constexpr const time_t elapsedSecsToday(uint32_t ts) {
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return (ts % secondsPerDay);
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}
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// The following methods are used in calculating alarms and assume the clock is set to a date later than Jan 1 1971
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// Always set the correct time before settting alarms
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// time at the start of the given day
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constexpr const time_t previousMidnight(time_t ts) {
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return ((ts / secondsPerDay) * secondsPerDay);
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}
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// time at the end of the given day
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constexpr const time_t nextMidnight(time_t ts) {
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return previousMidnight(ts) + secondsPerDay;
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}
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// note that week starts on day 1
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constexpr const time_t elapsedSecsThisWeek(uint32_t ts) {
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return elapsedSecsToday(ts) + ((dayOfWeek(ts) - 1) * secondsPerDay);
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}
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// time at the start of the week for the given time
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constexpr const time_t previousSunday(time_t ts) {
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return ts - elapsedSecsThisWeek(ts);
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}
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// time at the end of the week for the given time
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constexpr const time_t nextSunday(time_t ts) {
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return previousSunday(ts) + secondsPerWeek;
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}
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year(t), month(t), day(t), hour(t), minute(t), second(t)
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static time_t _ntp_ts = 0;
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static tm _ntp_tm;
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void _ntpTmCache(time_t ts) {
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if (_ntp_tm != ts) {
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_ntp_ts = ts;
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localtime_r(_ntp_ts, _ntp_tm);
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}
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}
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int hour(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_hour;
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}
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int minute(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_min;
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}
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int second(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_sec;
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}
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int day(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_day;
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}
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int weekday(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_wday;
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}
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int month(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_mon;
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}
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int year(time_t ts) {
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_ntpTmCache(ts);
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return _ntp_tm.tm_year;
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}
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time_t now() {
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return time(nullptr);
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}
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