Filamentstr/04_zumbach
Archived
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add [06_m1284p_WIZNET_DNS_SNTP_client] prj

Browse Source
This commit is contained in:
maxxir_w
2019-01-18 13:51:26 +04:00
parent 809c62dcef
commit 2c2de7b85a
19 changed files with 8652 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

566
06_m1284p_WIZNET_DNS_SNTP_client/Internet/DNS/dns.c Normal file
View File

@@ -0,0 +1,566 @@
//*****************************************************************************
//
//! \file dns.c
//! \brief DNS APIs Implement file.
//! \details Send DNS query & Receive DNS reponse. \n
//! It depends on stdlib.h & string.h in ansi-c library
//! \version 1.1.0
//! \date 2013/11/18
//! \par Revision history
//! <2013/10/21> 1st Release
//! <2013/12/20> V1.1.0
//! 1. Remove secondary DNS server in DNS_run
//! If 1st DNS_run failed, call DNS_run with 2nd DNS again
//! 2. DNS_timerHandler -> DNS_time_handler
//! 3. Remove the unused define
//! 4. Integrated dns.h dns.c & dns_parse.h dns_parse.c into dns.h & dns.c
//! <2013/12/20> V1.1.0
//!
//! \author Eric Jung & MidnightCow
//! \copyright
//!
//! Copyright (c) 2013, WIZnet 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:
//!
//! * Redistributions of source code must retain the above copyright
//! notice, this list of conditions and the following disclaimer.
//! * 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.
//! * Neither the name of the <ORGANIZATION> 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.
//
//*****************************************************************************
#include <string.h>
#include <stdlib.h>
#include "socket.h"
#include "dns.h"
#ifdef _DNS_DEBUG_
#include <stdio.h>
#endif
#define INITRTT 2000L /* Initial smoothed response time */
#define MAXCNAME (MAX_DOMAIN_NAME + (MAX_DOMAIN_NAME>>1)) /* Maximum amount of cname recursion */
#define TYPE_A 1 /* Host address */
#define TYPE_NS 2 /* Name server */
#define TYPE_MD 3 /* Mail destination (obsolete) */
#define TYPE_MF 4 /* Mail forwarder (obsolete) */
#define TYPE_CNAME 5 /* Canonical name */
#define TYPE_SOA 6 /* Start of Authority */
#define TYPE_MB 7 /* Mailbox name (experimental) */
#define TYPE_MG 8 /* Mail group member (experimental) */
#define TYPE_MR 9 /* Mail rename name (experimental) */
#define TYPE_NULL 10 /* Null (experimental) */
#define TYPE_WKS 11 /* Well-known sockets */
#define TYPE_PTR 12 /* Pointer record */
#define TYPE_HINFO 13 /* Host information */
#define TYPE_MINFO 14 /* Mailbox information (experimental)*/
#define TYPE_MX 15 /* Mail exchanger */
#define TYPE_TXT 16 /* Text strings */
#define TYPE_ANY 255 /* Matches any type */
#define CLASS_IN 1 /* The ARPA Internet */
/* Round trip timing parameters */
#define AGAIN 8 /* Average RTT gain = 1/8 */
#define LAGAIN 3 /* Log2(AGAIN) */
#define DGAIN 4 /* Mean deviation gain = 1/4 */
#define LDGAIN 2 /* log2(DGAIN) */
/* Header for all domain messages */
struct dhdr
{
uint16_t id; /* Identification */
uint8_t qr; /* Query/Response */
#define QUERY 0
#define RESPONSE 1
uint8_t opcode;
#define IQUERY 1
uint8_t aa; /* Authoratative answer */
uint8_t tc; /* Truncation */
uint8_t rd; /* Recursion desired */
uint8_t ra; /* Recursion available */
uint8_t rcode; /* Response code */
#define NO_ERROR 0
#define FORMAT_ERROR 1
#define SERVER_FAIL 2
#define NAME_ERROR 3
#define NOT_IMPL 4
#define REFUSED 5
uint16_t qdcount; /* Question count */
uint16_t ancount; /* Answer count */
uint16_t nscount; /* Authority (name server) count */
uint16_t arcount; /* Additional record count */
};
uint8_t* pDNSMSG; // DNS message buffer
uint8_t DNS_SOCKET; // SOCKET number for DNS
uint16_t DNS_MSGID; // DNS message ID
uint32_t dns_1s_tick; // for timout of DNS processing
static uint8_t retry_count;
/* converts uint16_t from network buffer to a host byte order integer. */
uint16_t get16(uint8_t * s)
{
uint16_t i;
i = *s++ << 8;
i = i + *s;
return i;
}
/* copies uint16_t to the network buffer with network byte order. */
uint8_t * put16(uint8_t * s, uint16_t i)
{
*s++ = i >> 8;
*s++ = i;
return s;
}
/*
* CONVERT A DOMAIN NAME TO THE HUMAN-READABLE FORM
*
* Description : This function converts a compressed domain name to the human-readable form
* Arguments : msg - is a pointer to the reply message
* compressed - is a pointer to the domain name in reply message.
* buf - is a pointer to the buffer for the human-readable form name.
* len - is the MAX. size of buffer.
* Returns : the length of compressed message
*/
int parse_name(uint8_t * msg, uint8_t * compressed, char * buf, int16_t len)
{
uint16_t slen; /* Length of current segment */
uint8_t * cp;
int clen = 0; /* Total length of compressed name */
int indirect = 0; /* Set if indirection encountered */
int nseg = 0; /* Total number of segments in name */
cp = compressed;
for (;;)
{
slen = *cp++; /* Length of this segment */
if (!indirect) clen++;
if ((slen & 0xc0) == 0xc0)
{
if (!indirect)
clen++;
indirect = 1;
/* Follow indirection */
cp = &msg[((slen & 0x3f)<<8) + *cp];
slen = *cp++;
}
if (slen == 0) /* zero length == all done */
break;
len -= slen + 1;
if (len < 0) return -1;
if (!indirect) clen += slen;
while (slen-- != 0) *buf++ = (char)*cp++;
*buf++ = '.';
nseg++;
}
if (nseg == 0)
{
/* Root name; represent as single dot */
*buf++ = '.';
len--;
}
*buf++ = '\0';
len--;
return clen; /* Length of compressed message */
}
/*
* PARSE QUESTION SECTION
*
* Description : This function parses the qeustion record of the reply message.
* Arguments : msg - is a pointer to the reply message
* cp - is a pointer to the qeustion record.
* Returns : a pointer the to next record.
*/
uint8_t * dns_question(uint8_t * msg, uint8_t * cp)
{
int len;
char name[MAXCNAME];
len = parse_name(msg, cp, name, MAXCNAME);
if (len == -1) return 0;
cp += len;
cp += 2; /* type */
cp += 2; /* class */
return cp;
}
/*
* PARSE ANSER SECTION
*
* Description : This function parses the answer record of the reply message.
* Arguments : msg - is a pointer to the reply message
* cp - is a pointer to the answer record.
* Returns : a pointer the to next record.
*/
uint8_t * dns_answer(uint8_t * msg, uint8_t * cp, uint8_t * ip_from_dns)
{
int len, type;
char name[MAXCNAME];
len = parse_name(msg, cp, name, MAXCNAME);
if (len == -1) return 0;
cp += len;
type = get16(cp);
cp += 2; /* type */
cp += 2; /* class */
cp += 4; /* ttl */
cp += 2; /* len */
switch (type)
{
case TYPE_A:
/* Just read the address directly into the structure */
ip_from_dns[0] = *cp++;
ip_from_dns[1] = *cp++;
ip_from_dns[2] = *cp++;
ip_from_dns[3] = *cp++;
break;
case TYPE_CNAME:
case TYPE_MB:
case TYPE_MG:
case TYPE_MR:
case TYPE_NS:
case TYPE_PTR:
/* These types all consist of a single domain name */
/* convert it to ascii format */
len = parse_name(msg, cp, name, MAXCNAME);
if (len == -1) return 0;
cp += len;
break;
case TYPE_HINFO:
len = *cp++;
cp += len;
len = *cp++;
cp += len;
break;
case TYPE_MX:
cp += 2;
/* Get domain name of exchanger */
len = parse_name(msg, cp, name, MAXCNAME);
if (len == -1) return 0;
cp += len;
break;
case TYPE_SOA:
/* Get domain name of name server */
len = parse_name(msg, cp, name, MAXCNAME);
if (len == -1) return 0;
cp += len;
/* Get domain name of responsible person */
len = parse_name(msg, cp, name, MAXCNAME);
if (len == -1) return 0;
cp += len;
cp += 4;
cp += 4;
cp += 4;
cp += 4;
cp += 4;
break;
case TYPE_TXT:
/* Just stash */
break;
default:
/* Ignore */
break;
}
return cp;
}
/*
* PARSE THE DNS REPLY
*
* Description : This function parses the reply message from DNS server.
* Arguments : dhdr - is a pointer to the header for DNS message
* buf - is a pointer to the reply message.
* len - is the size of reply message.
* Returns : -1 - Domain name lenght is too big
* 0 - Fail (Timout or parse error)
* 1 - Success,
*/
int8_t parseDNSMSG(struct dhdr * pdhdr, uint8_t * pbuf, uint8_t * ip_from_dns)
{
uint16_t tmp;
uint16_t i;
uint8_t * msg;
uint8_t * cp;
msg = pbuf;
memset(pdhdr, 0, sizeof(*pdhdr));
pdhdr->id = get16(&msg[0]);
tmp = get16(&msg[2]);
if (tmp & 0x8000) pdhdr->qr = 1;
pdhdr->opcode = (tmp >> 11) & 0xf;
if (tmp & 0x0400) pdhdr->aa = 1;
if (tmp & 0x0200) pdhdr->tc = 1;
if (tmp & 0x0100) pdhdr->rd = 1;
if (tmp & 0x0080) pdhdr->ra = 1;
pdhdr->rcode = tmp & 0xf;
pdhdr->qdcount = get16(&msg[4]);
pdhdr->ancount = get16(&msg[6]);
pdhdr->nscount = get16(&msg[8]);
pdhdr->arcount = get16(&msg[10]);
/* Now parse the variable length sections */
cp = &msg[12];
/* Question section */
for (i = 0; i < pdhdr->qdcount; i++)
{
cp = dns_question(msg, cp);
#ifdef _DNS_DEUBG_
printf("MAX_DOMAIN_NAME is too small, it should be redfine in dns.h"
#endif
if(!cp) return -1;
}
/* Answer section */
for (i = 0; i < pdhdr->ancount; i++)
{
cp = dns_answer(msg, cp, ip_from_dns);
#ifdef _DNS_DEUBG_
printf("MAX_DOMAIN_NAME is too small, it should be redfine in dns.h"
#endif
if(!cp) return -1;
}
/* Name server (authority) section */
for (i = 0; i < pdhdr->nscount; i++)
{
;
}
/* Additional section */
for (i = 0; i < pdhdr->arcount; i++)
{
;
}
if(pdhdr->rcode == 0) return 1; // No error
else return 0;
}
/*
* MAKE DNS QUERY MESSAGE
*
* Description : This function makes DNS query message.
* Arguments : op - Recursion desired
* name - is a pointer to the domain name.
* buf - is a pointer to the buffer for DNS message.
* len - is the MAX. size of buffer.
* Returns : the pointer to the DNS message.
*/
int16_t dns_makequery(uint16_t op, char * name, uint8_t * buf, uint16_t len)
{
uint8_t *cp;
char *cp1;
char sname[MAXCNAME];
char *dname;
uint16_t p;
uint16_t dlen;
cp = buf;
DNS_MSGID++;
cp = put16(cp, DNS_MSGID);
p = (op << 11) | 0x0100; /* Recursion desired */
cp = put16(cp, p);
cp = put16(cp, 1);
cp = put16(cp, 0);
cp = put16(cp, 0);
cp = put16(cp, 0);
strcpy(sname, name);
dname = sname;
dlen = strlen(dname);
for (;;)
{
/* Look for next dot */
cp1 = strchr(dname, '.');
if (cp1 != NULL) len = cp1 - dname; /* More to come */
else len = dlen; /* Last component */
*cp++ = len; /* Write length of component */
if (len == 0) break;
/* Copy component up to (but not including) dot */
strncpy((char *)cp, dname, len);
cp += len;
if (cp1 == NULL)
{
*cp++ = 0; /* Last one; write null and finish */
break;
}
dname += len+1;
dlen -= len+1;
}
cp = put16(cp, 0x0001); /* type */
cp = put16(cp, 0x0001); /* class */
return ((int16_t)((uint32_t)(cp) - (uint32_t)(buf)));
}
/*
* CHECK DNS TIMEOUT
*
* Description : This function check the DNS timeout
* Arguments : None.
* Returns : -1 - timeout occurred, 0 - timer over, but no timeout, 1 - no timer over, no timeout occur
* Note : timeout : retry count and timer both over.
*/
int8_t check_DNS_timeout(void)
{
if(dns_1s_tick >= DNS_WAIT_TIME)
{
dns_1s_tick = 0;
if(retry_count >= MAX_DNS_RETRY) {
retry_count = 0;
return -1; // timeout occurred
}
retry_count++;
return 0; // timer over, but no timeout
}
return 1; // no timer over, no timeout occur
}
/* DNS CLIENT INIT */
void DNS_init(uint8_t s, uint8_t * buf)
{
DNS_SOCKET = s; // SOCK_DNS
pDNSMSG = buf; // User's shared buffer
DNS_MSGID = DNS_MSG_ID;
}
/* DNS CLIENT RUN */
int8_t DNS_run(uint8_t * dns_ip, uint8_t * name, uint8_t * ip_from_dns)
{
int8_t ret;
struct dhdr dhp;
uint8_t ip[4];
uint16_t len, port;
int8_t ret_check_timeout;
retry_count = 0;
dns_1s_tick = 0;
// Socket open
socket(DNS_SOCKET, Sn_MR_UDP, 0, 0);
#ifdef _DNS_DEBUG_
printf("> DNS Query to DNS Server : %d.%d.%d.%d\r\n", dns_ip[0], dns_ip[1], dns_ip[2], dns_ip[3]);
#endif
len = dns_makequery(0, (char *)name, pDNSMSG, MAX_DNS_BUF_SIZE);
sendto(DNS_SOCKET, pDNSMSG, len, dns_ip, IPPORT_DOMAIN);
while (1)
{
if ((len = getSn_RX_RSR(DNS_SOCKET)) > 0)
{
if (len > MAX_DNS_BUF_SIZE) len = MAX_DNS_BUF_SIZE;
len = recvfrom(DNS_SOCKET, pDNSMSG, len, ip, &port);
#ifdef _DNS_DEBUG_
printf("> Receive DNS message from %d.%d.%d.%d(%d). len = %d\r\n", ip[0], ip[1], ip[2], ip[3],port,len);
#endif
ret = parseDNSMSG(&dhp, pDNSMSG, ip_from_dns);
break;
}
// Check Timeout
ret_check_timeout = check_DNS_timeout();
if (ret_check_timeout < 0) {
#ifdef _DNS_DEBUG_
printf("> DNS Server is not responding : %d.%d.%d.%d\r\n", dns_ip[0], dns_ip[1], dns_ip[2], dns_ip[3]);
#endif
return 0; // timeout occurred
}
else if (ret_check_timeout == 0) {
#ifdef _DNS_DEBUG_
printf("> DNS Timeout\r\n");
#endif
sendto(DNS_SOCKET, pDNSMSG, len, dns_ip, IPPORT_DOMAIN);
}
}
close(DNS_SOCKET);
// Return value
// 0 > : failed / 1 - success
return ret;
}
/* DNS TIMER HANDLER */
void DNS_time_handler(void)
{
dns_1s_tick++;
}

109
06_m1284p_WIZNET_DNS_SNTP_client/Internet/DNS/dns.h Normal file
View File

@@ -0,0 +1,109 @@
//*****************************************************************************
//
//! \file dns.h
//! \brief DNS APIs Header file.
//! \details Send DNS query & Receive DNS reponse.
//! \version 1.1.0
//! \date 2013/11/18
//! \par Revision history
//! <2013/10/21> 1st Release
//! <2013/12/20> V1.1.0
//! 1. Remove secondary DNS server in DNS_run
//! If 1st DNS_run failed, call DNS_run with 2nd DNS again
//! 2. DNS_timerHandler -> DNS_time_handler
//! 3. Move the no reference define to dns.c
//! 4. Integrated dns.h dns.c & dns_parse.h dns_parse.c into dns.h & dns.c
//! <2013/12/20> V1.1.0
//!
//! \author Eric Jung & MidnightCow
//! \copyright
//!
//! Copyright (c) 2013, WIZnet 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:
//!
//! * Redistributions of source code must retain the above copyright
//! notice, this list of conditions and the following disclaimer.
//! * 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.
//! * Neither the name of the <ORGANIZATION> 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 _DNS_H_
#define _DNS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/*
* @brief Define it for Debug & Monitor DNS processing.
* @note If defined, it dependens on <stdio.h>
*/
//#define _DNS_DEBUG_
#define MAX_DNS_BUF_SIZE 256 ///< maximum size of DNS buffer. */
/*
* @brief Maxium length of your queried Domain name
* @todo SHOULD BE defined it equal as or greater than your Domain name lenght + null character(1)
* @note SHOULD BE careful to stack overflow because it is allocated 1.5 times as MAX_DOMAIN_NAME in stack.
*/
#define MAX_DOMAIN_NAME 16 // for example "www.google.com"
#define MAX_DNS_RETRY 2 ///< Requery Count
#define DNS_WAIT_TIME 3 ///< Wait response time. unit 1s.
#define IPPORT_DOMAIN 53 ///< DNS server port number
#define DNS_MSG_ID 0x1122 ///< ID for DNS message. You can be modifyed it any number
/*
* @brief DNS process initialize
* @param s : Socket number for DNS
* @param buf : Buffer for DNS message
*/
void DNS_init(uint8_t s, uint8_t * buf);
/*
* @brief DNS process
* @details Send DNS query and receive DNS response
* @param dns_ip : DNS server ip
* @param name : Domain name to be queryed
* @param ip_from_dns : IP address from DNS server
* @return -1 : failed. @ref MAX_DOMIN_NAME is too small \n
* 0 : failed (Timeout or Parse error)\n
* 1 : success
* @note This funtion blocks until success or fail. max time = @ref MAX_DNS_RETRY * @ref DNS_WAIT_TIME
*/
int8_t DNS_run(uint8_t * dns_ip, uint8_t * name, uint8_t * ip_from_dns);
/*
* @brief DNS 1s Tick Timer handler
* @note SHOULD BE register to your system 1s Tick timer handler
*/
void DNS_time_handler(void);
#ifdef __cplusplus
}
#endif
#endif /* _DNS_H_ */

450
06_m1284p_WIZNET_DNS_SNTP_client/Internet/SNTP/sntp.c Normal file
View File

@@ -0,0 +1,450 @@
/*
* sntp.c
*
* Created on: 2014. 12. 15.
* Author: Administrator
*/
#include <string.h>
#include "sntp.h"
#include "socket.h"
ntpformat NTPformat;
datetime Nowdatetime;
uint8_t ntpmessage[48];
uint8_t *data_buf;
uint8_t NTP_SOCKET;
uint8_t time_zone;
uint16_t ntp_retry_cnt=0; //counting the ntp retry number
/*
00)UTC-12:00 Baker Island, Howland Island (both uninhabited)
01) UTC-11:00 American Samoa, Samoa
02) UTC-10:00 (Summer)French Polynesia (most), United States (Aleutian Islands, Hawaii)
03) UTC-09:30 Marquesas Islands
04) UTC-09:00 Gambier Islands;(Summer)United States (most of Alaska)
05) UTC-08:00 (Summer)Canada (most of British Columbia), Mexico (Baja California)
06) UTC-08:00 United States (California, most of Nevada, most of Oregon, Washington (state))
07) UTC-07:00 Mexico (Sonora), United States (Arizona); (Summer)Canada (Alberta)
08) UTC-07:00 Mexico (Chihuahua), United States (Colorado)
09) UTC-06:00 Costa Rica, El Salvador, Ecuador (Galapagos Islands), Guatemala, Honduras
10) UTC-06:00 Mexico (most), Nicaragua;(Summer)Canada (Manitoba, Saskatchewan), United States (Illinois, most of Texas)
11) UTC-05:00 Colombia, Cuba, Ecuador (continental), Haiti, Jamaica, Panama, Peru
12) UTC-05:00 (Summer)Canada (most of Ontario, most of Quebec)
13) UTC-05:00 United States (most of Florida, Georgia, Massachusetts, most of Michigan, New York, North Carolina, Ohio, Washington D.C.)
14) UTC-04:30 Venezuela
15) UTC-04:00 Bolivia, Brazil (Amazonas), Chile (continental), Dominican Republic, Canada (Nova Scotia), Paraguay,
16) UTC-04:00 Puerto Rico, Trinidad and Tobago
17) UTC-03:30 Canada (Newfoundland)
18) UTC-03:00 Argentina; (Summer) Brazil (Brasilia, Rio de Janeiro, Sao Paulo), most of Greenland, Uruguay
19) UTC-02:00 Brazil (Fernando de Noronha), South Georgia and the South Sandwich Islands
20) UTC-01:00 Portugal (Azores), Cape Verde
21) UTC&#177;00:00 Cote d'Ivoire, Faroe Islands, Ghana, Iceland, Senegal; (Summer) Ireland, Portugal (continental and Madeira)
22) UTC&#177;00:00 Spain (Canary Islands), Morocco, United Kingdom
23) UTC+01:00 Angola, Cameroon, Nigeria, Tunisia; (Summer)Albania, Algeria, Austria, Belgium, Bosnia and Herzegovina,
24) UTC+01:00 Spain (continental), Croatia, Czech Republic, Denmark, Germany, Hungary, Italy, Kinshasa, Kosovo,
25) UTC+01:00 Macedonia, France (metropolitan), the Netherlands, Norway, Poland, Serbia, Slovakia, Slovenia, Sweden, Switzerland
26) UTC+02:00 Libya, Egypt, Malawi, Mozambique, South Africa, Zambia, Zimbabwe, (Summer)Bulgaria, Cyprus, Estonia,
27) UTC+02:00 Finland, Greece, Israel, Jordan, Latvia, Lebanon, Lithuania, Moldova, Palestine, Romania, Syria, Turkey, Ukraine
28) UTC+03:00 Belarus, Djibouti, Eritrea, Ethiopia, Iraq, Kenya, Madagascar, Russia (Kaliningrad Oblast), Saudi Arabia,
29) UTC+03:00 South Sudan, Sudan, Somalia, South Sudan, Tanzania, Uganda, Yemen
30) UTC+03:30 (Summer)Iran
31) UTC+04:00 Armenia, Azerbaijan, Georgia, Mauritius, Oman, Russia (European), Seychelles, United Arab Emirates
32) UTC+04:30 Afghanistan
33) UTC+05:00 Kazakhstan (West), Maldives, Pakistan, Uzbekistan
34) UTC+05:30 India, Sri Lanka
35) UTC+05:45 Nepal
36) UTC+06:00 Kazakhstan (most), Bangladesh, Russia (Ural: Sverdlovsk Oblast, Chelyabinsk Oblast)
37) UTC+06:30 Cocos Islands, Myanmar
38) UTC+07:00 Jakarta, Russia (Novosibirsk Oblast), Thailand, Vietnam
39) UTC+08:00 China, Hong Kong, Russia (Krasnoyarsk Krai), Malaysia, Philippines, Singapore, Taiwan, most of Mongolia, Western Australia
40) UTC+09:00 Korea, East Timor, Russia (Irkutsk Oblast), Japan
41) UTC+09:30 Australia (Northern Territory);(Summer)Australia (South Australia))
42) UTC+10:00 Russia (Zabaykalsky Krai); (Summer)Australia (New South Wales, Queensland, Tasmania, Victoria)
43) UTC+10:30 Lord Howe Island
44) UTC+11:00 New Caledonia, Russia (Primorsky Krai), Solomon Islands
45) UTC+11:30 Norfolk Island
46) UTC+12:00 Fiji, Russia (Kamchatka Krai);(Summer)New Zealand
47) UTC+12:45 (Summer)New Zealand
48) UTC+13:00 Tonga
49) UTC+14:00 Kiribati (Line Islands)
*/
void get_seconds_from_ntp_server(uint8_t *buf, uint16_t idx)
{
tstamp seconds = 0;
uint8_t i=0;
for (i = 0; i < 4; i++)
{
seconds = (seconds << 8) | buf[idx + i];
}
switch (time_zone)
{
case 0:
seconds -= 12*3600;
break;
case 1:
seconds -= 11*3600;
break;
case 2:
seconds -= 10*3600;
break;
case 3:
seconds -= (9*3600+30*60);
break;
case 4:
seconds -= 9*3600;
break;
case 5:
case 6:
seconds -= 8*3600;
break;
case 7:
case 8:
seconds -= 7*3600;
break;
case 9:
case 10:
seconds -= 6*3600;
break;
case 11:
case 12:
case 13:
seconds -= 5*3600;
break;
case 14:
seconds -= (4*3600+30*60);
break;
case 15:
case 16:
seconds -= 4*3600;
break;
case 17:
seconds -= (3*3600+30*60);
break;
case 18:
seconds -= 3*3600;
break;
case 19:
seconds -= 2*3600;
break;
case 20:
seconds -= 1*3600;
break;
case 21: //<2F><>?
case 22:
break;
case 23:
case 24:
case 25:
seconds += 1*3600;
break;
case 26:
case 27:
seconds += 2*3600;
break;
case 28:
case 29:
seconds += 3*3600;
break;
case 30:
seconds += (3*3600+30*60);
break;
case 31:
seconds += 4*3600;
break;
case 32:
seconds += (4*3600+30*60);
break;
case 33:
seconds += 5*3600;
break;
case 34:
seconds += (5*3600+30*60);
break;
case 35:
seconds += (5*3600+45*60);
break;
case 36:
seconds += 6*3600;
break;
case 37:
seconds += (6*3600+30*60);
break;
case 38:
seconds += 7*3600;
break;
case 39:
seconds += 8*3600;
break;
case 40:
seconds += 9*3600;
break;
case 41:
seconds += (9*3600+30*60);
break;
case 42:
seconds += 10*3600;
break;
case 43:
seconds += (10*3600+30*60);
break;
case 44:
seconds += 11*3600;
break;
case 45:
seconds += (11*3600+30*60);
break;
case 46:
seconds += 12*3600;
break;
case 47:
seconds += (12*3600+45*60);
break;
case 48:
seconds += 13*3600;
break;
case 49:
seconds += 14*3600;
break;
}
//calculation for date
calcdatetime(seconds);
}
void SNTP_init(uint8_t s, uint8_t *ntp_server, uint8_t tz, uint8_t *buf)
{
NTP_SOCKET = s;
NTPformat.dstaddr[0] = ntp_server[0];
NTPformat.dstaddr[1] = ntp_server[1];
NTPformat.dstaddr[2] = ntp_server[2];
NTPformat.dstaddr[3] = ntp_server[3];
time_zone = tz;
data_buf = buf;
uint8_t Flag;
NTPformat.leap = 0; /* leap indicator */
NTPformat.version = 4; /* version number */
NTPformat.mode = 3; /* mode */
NTPformat.stratum = 0; /* stratum */
NTPformat.poll = 0; /* poll interval */
NTPformat.precision = 0; /* precision */
NTPformat.rootdelay = 0; /* root delay */
NTPformat.rootdisp = 0; /* root dispersion */
NTPformat.refid = 0; /* reference ID */
NTPformat.reftime = 0; /* reference time */
NTPformat.org = 0; /* origin timestamp */
NTPformat.rec = 0; /* receive timestamp */
NTPformat.xmt = 1; /* transmit timestamp */
Flag = (NTPformat.leap<<6)+(NTPformat.version<<3)+NTPformat.mode; //one byte Flag
memcpy(ntpmessage,(void const*)(&Flag),1);
}
int8_t SNTP_run(datetime *time)
{
uint16_t RSR_len;
uint32_t destip = 0;
uint16_t destport;
uint16_t startindex = 40; //last 8-byte of data_buf[size is 48 byte] is xmt, so the startindex should be 40
switch(getSn_SR(NTP_SOCKET))
{
case SOCK_UDP:
if ((RSR_len = getSn_RX_RSR(NTP_SOCKET)) > 0)
{
if (RSR_len > MAX_SNTP_BUF_SIZE) RSR_len = MAX_SNTP_BUF_SIZE; // if Rx data size is lager than TX_RX_MAX_BUF_SIZE
recvfrom(NTP_SOCKET, data_buf, RSR_len, (uint8_t *)&destip, &destport);
get_seconds_from_ntp_server(data_buf,startindex);
time->yy = Nowdatetime.yy;
time->mo = Nowdatetime.mo;
time->dd = Nowdatetime.dd;
time->hh = Nowdatetime.hh;
time->mm = Nowdatetime.mm;
time->ss = Nowdatetime.ss;
ntp_retry_cnt=0;
close(NTP_SOCKET);
return 1;
}
if(ntp_retry_cnt<0xFFFF)
{
if(ntp_retry_cnt==0)//first send request, no need to wait
{
sendto(NTP_SOCKET,ntpmessage,sizeof(ntpmessage),NTPformat.dstaddr,ntp_port);
ntp_retry_cnt++;
}
else // send request again? it should wait for a while
{
if((ntp_retry_cnt % 0xFFF) == 0) //wait time
{
sendto(NTP_SOCKET,ntpmessage,sizeof(ntpmessage),NTPformat.dstaddr,ntp_port);
#ifdef _SNTP_DEBUG_
printf("ntp retry: %d\r\n", ntp_retry_cnt);
#endif
ntp_retry_cnt++;
}
}
}
else //ntp retry fail
{
ntp_retry_cnt=0;
#ifdef _SNTP_DEBUG_
printf("ntp retry failed!\r\n");
#endif
close(NTP_SOCKET);
}
break;
case SOCK_CLOSED:
socket(NTP_SOCKET,Sn_MR_UDP,ntp_port,0);
break;
}
// Return value
// 0 - failed / 1 - success
return 0;
}
void calcdatetime(tstamp seconds)
{
uint8_t yf=0;
tstamp n=0,d=0,total_d=0,rz=0;
uint16_t y=0,r=0,yr=0;
signed long long yd=0;
n = seconds;
total_d = seconds/(SECS_PERDAY);
d=0;
uint32_t p_year_total_sec=SECS_PERDAY*365;
uint32_t r_year_total_sec=SECS_PERDAY*366;
while(n>=p_year_total_sec)
{
if((EPOCH+r)%400==0 || ((EPOCH+r)%100!=0 && (EPOCH+r)%4==0))
{
n = n -(r_year_total_sec);
d = d + 366;
}
else
{
n = n - (p_year_total_sec);
d = d + 365;
}
r+=1;
y+=1;
}
y += EPOCH;
Nowdatetime.yy = y;
yd=0;
yd = total_d - d;
yf=1;
while(yd>=28)
{
if(yf==1 || yf==3 || yf==5 || yf==7 || yf==8 || yf==10 || yf==12)
{
yd -= 31;
if(yd<0)break;
rz += 31;
}
if (yf==2)
{
if (y%400==0 || (y%100!=0 && y%4==0))
{
yd -= 29;
if(yd<0)break;
rz += 29;
}
else
{
yd -= 28;
if(yd<0)break;
rz += 28;
}
}
if(yf==4 || yf==6 || yf==9 || yf==11 )
{
yd -= 30;
if(yd<0)break;
rz += 30;
}
yf += 1;
}
Nowdatetime.mo=yf;
yr = total_d-d-rz;
yr += 1;
Nowdatetime.dd=yr;
//calculation for time
seconds = seconds%SECS_PERDAY;
Nowdatetime.hh = seconds/3600;
Nowdatetime.mm = (seconds%3600)/60;
Nowdatetime.ss = (seconds%3600)%60;
}
tstamp changedatetime_to_seconds(void)
{
tstamp seconds=0;
uint32_t total_day=0;
uint16_t i=0,run_year_cnt=0,l=0;
l = Nowdatetime.yy;//low
for(i=EPOCH;i<l;i++)
{
if((i%400==0) || ((i%100!=0) && (i%4==0)))
{
run_year_cnt += 1;
}
}
total_day=(l-EPOCH-run_year_cnt)*365+run_year_cnt*366;
for(i=1;i<=Nowdatetime.mo;i++)
{
if(i==5 || i==7 || i==10 || i==12)
{
total_day += 30;
}
if (i==3)
{
if (l%400==0 && l%100!=0 && l%4==0)
{
total_day += 29;
}
else
{
total_day += 28;
}
}
if(i==2 || i==4 || i==6 || i==8 || i==9 || i==11)
{
total_day += 31;
}
}
seconds = (total_day+Nowdatetime.dd-1)*24*3600;
seconds += Nowdatetime.ss;//seconds
seconds += Nowdatetime.mm*60;//minute
seconds += Nowdatetime.hh*3600;//hour
return seconds;
}

76
06_m1284p_WIZNET_DNS_SNTP_client/Internet/SNTP/sntp.h Normal file
View File

@@ -0,0 +1,76 @@
/*
* sntp.h
*
* Created on: 2014. 12. 15.
* Author: Administrator
*/
#ifndef SNTP_H_
#define SNTP_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/*
* @brief Define it for Debug & Monitor DNS processing.
* @note If defined, it dependens on <stdio.h>
*/
//#define _SNTP_DEBUG_
#define MAX_SNTP_BUF_SIZE sizeof(ntpformat) ///< maximum size of DNS buffer. */
/* for ntpclient */
typedef signed char s_char;
typedef unsigned long long tstamp;
typedef unsigned int tdist;
typedef struct _ntpformat
{
uint8_t dstaddr[4]; /* destination (local) address */
char version; /* version number */
char leap; /* leap indicator */
char mode; /* mode */
char stratum; /* stratum */
char poll; /* poll interval */
s_char precision; /* precision */
tdist rootdelay; /* root delay */
tdist rootdisp; /* root dispersion */
char refid; /* reference ID */
tstamp reftime; /* reference time */
tstamp org; /* origin timestamp */
tstamp rec; /* receive timestamp */
tstamp xmt; /* transmit timestamp */
} ntpformat;
typedef struct _datetime
{
uint16_t yy;
uint8_t mo;
uint8_t dd;
uint8_t hh;
uint8_t mm;
uint8_t ss;
} datetime;
#define ntp_port 123 //ntp server port number
#define SECS_PERDAY 86400UL // seconds in a day = 60*60*24
#define UTC_ADJ_HRS 9 // SEOUL : GMT+9
#define EPOCH 1900 // NTP start year
void get_seconds_from_ntp_server(uint8_t *buf, uint16_t idx);
void SNTP_init(uint8_t s, uint8_t *ntp_server, uint8_t tz, uint8_t *buf);
int8_t SNTP_run(datetime *time);
tstamp changedatetime_to_seconds(void);
void calcdatetime(tstamp seconds);
#ifdef __cplusplus
}
#endif
#endif /* SNTP_H_ */