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16d3764191
Add initial support for zephyr. Mutex is currently not supported, nor used. Signed-off-by: Achim Kraus <achim.kraus@cloudcoap.net>
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
/*******************************************************************************
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*
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* Copyright (c) 2011, 2012, 2013, 2014, 2015 Olaf Bergmann (TZI) and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
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*
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* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Olaf Bergmann - initial API and implementation
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*
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*******************************************************************************/
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/**
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* @file dtls_time.h
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* @brief Clock Handling
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*/
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#ifndef _DTLS_DTLS_TIME_H_
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#define _DTLS_DTLS_TIME_H_
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#include <stdint.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif /* HAVE_SYS_TIME_H */
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#include "tinydtls.h"
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/**
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* @defgroup clock Clock Handling
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* Default implementation of internal clock. You should redefine this if
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* you do not have time() and gettimeofday().
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* @{
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*/
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#ifdef WITH_CONTIKI
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#include "clock.h"
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#elif defined(RIOT_VERSION)
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#include "ztimer.h"
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#include "timex.h"
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/* this macro is already present on FreeBSD
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which causes a redefine error otherwise */
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#ifndef CLOCK_SECOND
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#define CLOCK_SECOND (MS_PER_SEC)
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#endif
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typedef uint32_t clock_time_t;
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#elif defined(WITH_ZEPHYR)
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#include <zephyr.h>
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#ifndef CLOCK_SECOND
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# define CLOCK_SECOND 1000
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#endif
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typedef int64_t clock_time_t;
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#else /* WITH_CONTIKI || RIOT_VERSION */
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#ifdef HAVE_TIME_H
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#include <time.h>
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#endif /* HAVE_TIME_H */
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#ifndef CLOCK_SECOND
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# define CLOCK_SECOND 1000
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#endif
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typedef uint32_t clock_time_t;
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#endif /* WITH_CONTIKI || RIOT_VERSION */
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typedef clock_time_t dtls_tick_t;
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#ifndef DTLS_TICKS_PER_SECOND
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#define DTLS_TICKS_PER_SECOND CLOCK_SECOND
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#endif /* DTLS_TICKS_PER_SECOND */
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void dtls_clock_init(void);
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void dtls_ticks(dtls_tick_t *t);
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/* see https://godbolt.org/z/YchexKaeT */
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#define DTLS_OFFSET_TIME (((clock_time_t)~0) >> 1)
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/** Checks if A is before (or equal) B. Considers 32 bit time overflow */
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#define DTLS_IS_BEFORE_TIME(A, B) ((clock_time_t)(DTLS_OFFSET_TIME + (B)-(A)) >= DTLS_OFFSET_TIME)
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/** @} */
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#endif /* _DTLS_DTLS_TIME_H_ */
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