Date and time functions
Collaboration diagram for Date and time functions:
Modules | |
Network Time Protocol client | |
Provides NTP client. | |
Real Time Clock | |
Access to the real time clock. | |
System clock functions | |
Provides system clock functions. | |
Time and Delay | |
Provides time and delay functions. | |
Classes | |
class | DateTime |
Date and time class. More... | |
Macros | |
#define | SECS_PER_MIN (60UL) |
#define | SECS_PER_HOUR (3600UL) |
#define | SECS_PER_DAY (SECS_PER_HOUR * 24L) |
#define | DAYS_PER_WEEK (7L) |
#define | SECS_PER_WEEK (SECS_PER_DAY * DAYS_PER_WEEK) |
#define | SECS_PER_YEAR (SECS_PER_WEEK * 52L) |
#define | SECS_YR_2000 (946681200UL) |
Enumerations | |
enum | dtDays_t { dtSunday , dtMonday , dtTuesday , dtWednesday , dtThursday , dtFriday , dtSaturday } |
Days of week. More... | |
enum | dtMonth_t { dtJanuary , dtFebruary , dtMarch , dtApril , dtMay , dtJune , dtJuly , dtAugust , dtSeptember , dtOctober , dtNovember , dtDecember } |
Months. More... | |
Functions | |
constexpr uint8_t | numberOfSeconds (time_t time) |
constexpr uint8_t | numberOfMinutes (time_t time) |
constexpr uint8_t | numberOfHours (time_t time) |
constexpr dtDays_t | dayOfWeek (time_t time) |
constexpr uint8_t | elapsedDays (time_t time) |
constexpr unsigned | elapsedSecsToday (time_t time) |
constexpr time_t | previousMidnight (time_t time) |
constexpr time_t | nextMidnight (time_t time) |
constexpr unsigned | elapsedSecsThisWeek (time_t time) |
Detailed Description
Macro Definition Documentation
◆ DAYS_PER_WEEK
#define DAYS_PER_WEEK (7L) |
◆ SECS_PER_DAY
#define SECS_PER_DAY (SECS_PER_HOUR * 24L) |
◆ SECS_PER_HOUR
#define SECS_PER_HOUR (3600UL) |
◆ SECS_PER_MIN
#define SECS_PER_MIN (60UL) |
◆ SECS_PER_WEEK
#define SECS_PER_WEEK (SECS_PER_DAY * DAYS_PER_WEEK) |
◆ SECS_PER_YEAR
#define SECS_PER_YEAR (SECS_PER_WEEK * 52L) |
◆ SECS_YR_2000
#define SECS_YR_2000 (946681200UL) |
Enumeration Type Documentation
◆ dtDays_t
enum dtDays_t |
◆ dtMonth_t
enum dtMonth_t |
Function Documentation
◆ dayOfWeek()
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inlineconstexpr |
Get day of week from given Unix time
◆ elapsedDays()
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inlineconstexpr |
Get elapsed days since 1970-01-01 from given Unix time
◆ elapsedSecsThisWeek()
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inlineconstexpr |
Get quantity of seconds since midnight at start of previous Sunday from given Unix time
◆ elapsedSecsToday()
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inlineconstexpr |
Get quantity of seconds since midnight from given Unix time
◆ nextMidnight()
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inlineconstexpr |
Get Unix time of midnight at end of day from given just Unix time
◆ numberOfHours()
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inlineconstexpr |
Get just hours part of given Unix time
◆ numberOfMinutes()
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inlineconstexpr |
Get just minutes part of given Unix time
◆ numberOfSeconds()
|
inlineconstexpr |
Get just seconds part of given Unix time
◆ previousMidnight()
|
inlineconstexpr |
Get Unix time of midnight at start of day from given Unix time