date_time.c File Reference

Date and time management. More...

#include <stdio.h>
#include <string.h>
#include "date_time.h"

Go to the source code of this file.

Functions
const char_t *	formatSystemTime (systime_t time, char_t *str)
	Format system time. More...
const char_t *	formatDate (const DateTime *date, char_t *str)
	Format date. More...
void	getCurrentDate (DateTime *date)
	Get current date and time. More...
__weak_func time_t	getCurrentUnixTime (void)
	Get current time. More...
void	convertUnixTimeToDate (time_t t, DateTime *date)
	Convert Unix timestamp to date. More...
time_t	convertDateToUnixTime (const DateTime *date)
	Convert date to Unix timestamp. More...
int_t	compareDateTime (const DateTime *date1, const DateTime *date2)
	Compare dates. More...
uint8_t	computeDayOfWeek (uint16_t y, uint8_t m, uint8_t d)
	Calculate day of week. More...

Detailed Description

Date and time management.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.4.4

Definition in file date_time.c.

Function Documentation

compareDateTime()

int_t compareDateTime	(	const DateTime *	date1,
		const DateTime *	date2
	)

Compare dates.

Parameters

[in]	date1	Pointer to the first date
[in]	date2	Pointer to the second date

Returns

Comparison result

Definition at line 304 of file date_time.c.

computeDayOfWeek()

uint8_t computeDayOfWeek	(	uint16_t	y,
		uint8_t	m,
		uint8_t	d
	)

Calculate day of week.

Parameters

[in]	y	Year
[in]	m	Month of year (in range 1 to 12)
[in]	d	Day of month (in range 1 to 31)

Returns

Day of week (in range 1 to 7)

Definition at line 383 of file date_time.c.

convertDateToUnixTime()

time_t convertDateToUnixTime

(

const DateTime *

date

)

Convert date to Unix timestamp.

Parameters

[in]

date

Pointer to a structure representing the date and time

Returns

Unix timestamp

Definition at line 260 of file date_time.c.

convertUnixTimeToDate()

void convertUnixTimeToDate	(	time_t	t,
		DateTime *	date
	)

Convert Unix timestamp to date.

Parameters

[in]	t	Unix timestamp
[out]	date	Pointer to a structure representing the date and time

Definition at line 198 of file date_time.c.

formatDate()

const char_t* formatDate	(	const DateTime *	date,
		char_t *	str
	)

Format date.

Parameters

[in]	date	Pointer to a structure representing the date
[out]	str	NULL-terminated string representing the specified date

Returns

Pointer to the formatted string

Definition at line 133 of file date_time.c.

formatSystemTime()

const char_t* formatSystemTime	(	systime_t	time,
		char_t *	str
	)

Format system time.

Parameters

[in]	time	System time
[out]	str	NULL-terminated string representing the specified time

Returns

Pointer to the formatted string

Definition at line 77 of file date_time.c.

getCurrentDate()

void getCurrentDate

(

DateTime *

date

)

Get current date and time.

Parameters

[out]

date

Pointer to a structure representing the date and time

Definition at line 165 of file date_time.c.

getCurrentUnixTime()

__weak_func time_t getCurrentUnixTime

(

void

)

Get current time.

Returns

Unix timestamp

Definition at line 180 of file date_time.c.