1/**
2 * @file
3 * SNTP client API
4 */
5
6/*
7 * Copyright (c) 2007-2009 Fr��d��ric Bernon, Simon Goldschmidt
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without modification,
11 * are permitted provided that the following conditions are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright notice,
14 *    this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 *    this list of conditions and the following disclaimer in the documentation
17 *    and/or other materials provided with the distribution.
18 * 3. The name of the author may not be used to endorse or promote products
19 *    derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
22 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
24 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
26 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
30 * OF SUCH DAMAGE.
31 *
32 * This file is part of the lwIP TCP/IP stack.
33 *
34 * Author: Fr��d��ric Bernon, Simon Goldschmidt
35 *
36 */
37#ifndef LWIP_HDR_APPS_SNTP_H
38#define LWIP_HDR_APPS_SNTP_H
39
40#include "lwip/apps/sntp_opts.h"
41#include "lwip/ip_addr.h"
42
43#ifdef __cplusplus
44extern "C" {
45#endif
46
47/* SNTP operating modes: default is to poll using unicast.
48   The mode has to be set before calling sntp_init(). */
49#define SNTP_OPMODE_POLL            0
50#define SNTP_OPMODE_LISTENONLY      1
51void sntp_setoperatingmode(u8_t operating_mode);
52u8_t sntp_getoperatingmode(void);
53
54void sntp_init(void);
55void sntp_stop(void);
56u8_t sntp_enabled(void);
57
58void sntp_setserver(u8_t idx, const ip_addr_t *addr);
59const ip_addr_t* sntp_getserver(u8_t idx);
60
61#if SNTP_SERVER_DNS
62void sntp_setservername(u8_t idx, char *server);
63char *sntp_getservername(u8_t idx);
64#endif /* SNTP_SERVER_DNS */
65
66#if SNTP_GET_SERVERS_FROM_DHCP
67void sntp_servermode_dhcp(int set_servers_from_dhcp);
68#else /* SNTP_GET_SERVERS_FROM_DHCP */
69#define sntp_servermode_dhcp(x)
70#endif /* SNTP_GET_SERVERS_FROM_DHCP */
71
72#ifdef __cplusplus
73}
74#endif
75
76#endif /* LWIP_HDR_APPS_SNTP_H */
77