sntp.h

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/*
 * Copyright (C) 2016 Luminița Lăzărescu <cluminita.lazarescu@gmail.com>
 * Copyright (C) 2017 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once

 
#include <stdint.h>
#include <time.h>
 
#include "net/ntp_packet.h"
#include "net/sock/udp.h"
#include "ztimer64.h"
 
#ifdef __cplusplus
extern "C" {
#endif

int sntp_sync(sock_udp_ep_t *server, uint32_t timeout);

int64_t sntp_get_offset(void);

static inline uint64_t sntp_get_unix_usec(void)
{
    return (uint64_t)(sntp_get_offset() - (NTP_UNIX_OFFSET * US_PER_SEC) + \
                      ztimer64_now(ZTIMER64_USEC));
}
 
#ifdef __cplusplus
}
#endif