sdk-hwV1.3/lichee/xr806/appos/include/net/sntp/sntp.h

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C
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/*
* Copyright (C) 2017 XRADIO TECHNOLOGY CO., LTD. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of XRADIO TECHNOLOGY CO., LTD. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _NET_SNTP_H_
#define _NET_SNTP_H_
#include <stdint.h>
#include "lwip/sockets.h"
#define SNTP_PORT 123
#define SNTP_SUPPORT_MULTIPLE_SERVERS 1
#if SNTP_SUPPORT_MULTIPLE_SERVERS
#define SNTP_MAX_SERVERS 3
#endif
#define SNTP_RECV_TIMEOUT 3000 /* ms */
#define SNTP_RETRY_TIMEOUT SNTP_RECV_TIMEOUT
#define SNTP_RETRY_TIMES 3
#define SNTP_SERVER_ADDRESS "pool.ntp.org"
typedef struct {
char *server_name; /* remote server name, if this is not NULL, this will be preferred. */
int recv_timeout; /* the receive timeout from ntp server */
uint8_t retry_times; /* the retry times when receiver timeout */
} sntp_arg;
typedef struct {
uint8_t sec; /**< Seconds after the minute - [0,59] */
uint8_t min; /**< Minutes after the hour - [0,59] */
uint8_t hour; /**< Hours after the midnight - [0,23] */
uint8_t day; /**< Day of the month - [1,31] */
uint8_t mon; /**< Months - [1,12] */
uint8_t week; /**< Days in a week - [0,6] */
uint8_t year; /**< Years - [0,127] */
} sntp_time;
int sntp_request(void *arg);
sntp_time *sntp_obtain_time(void);
int sntp_get_time(sntp_arg *arg, struct timeval *ntp_time);
#if SNTP_SUPPORT_MULTIPLE_SERVERS
int sntp_set_server(uint8_t idx, char *server_name);
#endif
#endif /* _NET_SNTP_H_ */