Albin Sebastian / WIZnetInterface

Library for ethernet

Dependents:   VC0706_FTP_Client_Ethernet_MQTT

Fork of WIZnetInterface by Akshay Tom

Socket/SNTPClient.cpp@16:c830d2e7e0f5, 2015-06-24 (annotated)

Committer:
eunkyoungkim
Date:
Wed Jun 24 02:27:46 2015 +0000
Revision:
16:c830d2e7e0f5
Add SNTP Client

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eunkyoungkim 16:c830d2e7e0f5 1 #include "SNTPClient.h"
eunkyoungkim 16:c830d2e7e0f5 2
eunkyoungkim 16:c830d2e7e0f5 3 #define MAX_TRY_WRITE 20
eunkyoungkim 16:c830d2e7e0f5 4 #define MAX_TRY_READ 10
eunkyoungkim 16:c830d2e7e0f5 5
eunkyoungkim 16:c830d2e7e0f5 6 //Debug is disabled by default
eunkyoungkim 16:c830d2e7e0f5 7 #ifdef _SNTP_DEBUG_
eunkyoungkim 16:c830d2e7e0f5 8 #define DBG(x, ...) std::printf("[SNTPClient : DBG]"x"\r\n", ##__VA_ARGS__);
eunkyoungkim 16:c830d2e7e0f5 9 #define WARN(x, ...) std::printf("[SNTPClient : WARN]"x"\r\n", ##__VA_ARGS__);
eunkyoungkim 16:c830d2e7e0f5 10 #define ERR(x, ...) std::printf("[SNTPClient : ERR]"x"\r\n", ##__VA_ARGS__);
eunkyoungkim 16:c830d2e7e0f5 11 #else
eunkyoungkim 16:c830d2e7e0f5 12 #define DBG(x, ...)
eunkyoungkim 16:c830d2e7e0f5 13 #define WARN(x, ...)
eunkyoungkim 16:c830d2e7e0f5 14 #define ERR(x, ...)
eunkyoungkim 16:c830d2e7e0f5 15 #endif
eunkyoungkim 16:c830d2e7e0f5 16
eunkyoungkim 16:c830d2e7e0f5 17 #define INFO(x, ...) printf("[SNTPClient : INFO]"x"\r\n", ##__VA_ARGS__);
eunkyoungkim 16:c830d2e7e0f5 18
eunkyoungkim 16:c830d2e7e0f5 19 SNTPClient::SNTPClient(char * url, uint8_t time_zone) {
eunkyoungkim 16:c830d2e7e0f5 20 memcpy(host, url, strlen(url));
eunkyoungkim 16:c830d2e7e0f5 21 host[strlen(url)] = '\0';
eunkyoungkim 16:c830d2e7e0f5 22 port = ntp_port;
eunkyoungkim 16:c830d2e7e0f5 23 socket.set_blocking(false, 3000);
eunkyoungkim 16:c830d2e7e0f5 24
eunkyoungkim 16:c830d2e7e0f5 25 tz = time_zone;
eunkyoungkim 16:c830d2e7e0f5 26 }
eunkyoungkim 16:c830d2e7e0f5 27
eunkyoungkim 16:c830d2e7e0f5 28 bool SNTPClient::connect() {
eunkyoungkim 16:c830d2e7e0f5 29 socket.init();
eunkyoungkim 16:c830d2e7e0f5 30 socket.bind(0);
eunkyoungkim 16:c830d2e7e0f5 31 if(sntp_server.set_address(host, port) < 0)
eunkyoungkim 16:c830d2e7e0f5 32 return false;
eunkyoungkim 16:c830d2e7e0f5 33
eunkyoungkim 16:c830d2e7e0f5 34 uint32_t ip = str_to_ip(sntp_server.get_address());
eunkyoungkim 16:c830d2e7e0f5 35 NTPformat.dstaddr[0] = (uint8_t)(ip >> 24);
eunkyoungkim 16:c830d2e7e0f5 36 NTPformat.dstaddr[1] = (uint8_t)(ip >> 16);
eunkyoungkim 16:c830d2e7e0f5 37 NTPformat.dstaddr[2] = (uint8_t)(ip >> 8);
eunkyoungkim 16:c830d2e7e0f5 38 NTPformat.dstaddr[3] = (uint8_t)(ip >> 0);
eunkyoungkim 16:c830d2e7e0f5 39 DBG("NTP Server: %s\r\n", sntp_server.get_address());
eunkyoungkim 16:c830d2e7e0f5 40
eunkyoungkim 16:c830d2e7e0f5 41 uint8_t Flag;
eunkyoungkim 16:c830d2e7e0f5 42 NTPformat.leap = 0; /* leap indicator */
eunkyoungkim 16:c830d2e7e0f5 43 NTPformat.version = 4; /* version number */
eunkyoungkim 16:c830d2e7e0f5 44 NTPformat.mode = 3; /* mode */
eunkyoungkim 16:c830d2e7e0f5 45 NTPformat.stratum = 0; /* stratum */
eunkyoungkim 16:c830d2e7e0f5 46 NTPformat.poll = 0; /* poll interval */
eunkyoungkim 16:c830d2e7e0f5 47 NTPformat.precision = 0; /* precision */
eunkyoungkim 16:c830d2e7e0f5 48 NTPformat.rootdelay = 0; /* root delay */
eunkyoungkim 16:c830d2e7e0f5 49 NTPformat.rootdisp = 0; /* root dispersion */
eunkyoungkim 16:c830d2e7e0f5 50 NTPformat.refid = 0; /* reference ID */
eunkyoungkim 16:c830d2e7e0f5 51 NTPformat.reftime = 0; /* reference time */
eunkyoungkim 16:c830d2e7e0f5 52 NTPformat.org = 0; /* origin timestamp */
eunkyoungkim 16:c830d2e7e0f5 53 NTPformat.rec = 0; /* receive timestamp */
eunkyoungkim 16:c830d2e7e0f5 54 NTPformat.xmt = 1; /* transmit timestamp */
eunkyoungkim 16:c830d2e7e0f5 55
eunkyoungkim 16:c830d2e7e0f5 56 Flag = (NTPformat.leap<<6)+(NTPformat.version<<3)+NTPformat.mode; //one byte Flag
eunkyoungkim 16:c830d2e7e0f5 57 memcpy(ntpmessage,(void const*)(&Flag),1);
eunkyoungkim 16:c830d2e7e0f5 58
eunkyoungkim 16:c830d2e7e0f5 59 return true;
eunkyoungkim 16:c830d2e7e0f5 60 }
eunkyoungkim 16:c830d2e7e0f5 61
eunkyoungkim 16:c830d2e7e0f5 62 bool SNTPClient::getTime(datetime *time) {
eunkyoungkim 16:c830d2e7e0f5 63 uint16_t startindex = 40; //last 8-byte of data_buf[size is 48 byte] is xmt, so the startindex should be 40
eunkyoungkim 16:c830d2e7e0f5 64
eunkyoungkim 16:c830d2e7e0f5 65 socket.sendTo(sntp_server, (char *)ntpmessage, sizeof(ntpmessage));
eunkyoungkim 16:c830d2e7e0f5 66
eunkyoungkim 16:c830d2e7e0f5 67 char in_buffer[MAX_SNTP_BUF_SIZE];
eunkyoungkim 16:c830d2e7e0f5 68 int n = socket.receiveFrom(sntp_server, in_buffer, sizeof(in_buffer));
eunkyoungkim 16:c830d2e7e0f5 69
eunkyoungkim 16:c830d2e7e0f5 70 if(n <= 0)
eunkyoungkim 16:c830d2e7e0f5 71 return false;
eunkyoungkim 16:c830d2e7e0f5 72
eunkyoungkim 16:c830d2e7e0f5 73 get_seconds_from_ntp_server((uint8_t *)in_buffer,startindex);
eunkyoungkim 16:c830d2e7e0f5 74
eunkyoungkim 16:c830d2e7e0f5 75 time->yy = Nowdatetime.yy;
eunkyoungkim 16:c830d2e7e0f5 76 time->mo = Nowdatetime.mo;
eunkyoungkim 16:c830d2e7e0f5 77 time->dd = Nowdatetime.dd;
eunkyoungkim 16:c830d2e7e0f5 78 time->hh = Nowdatetime.hh;
eunkyoungkim 16:c830d2e7e0f5 79 time->mm = Nowdatetime.mm;
eunkyoungkim 16:c830d2e7e0f5 80 time->ss = Nowdatetime.ss;
eunkyoungkim 16:c830d2e7e0f5 81
eunkyoungkim 16:c830d2e7e0f5 82 return true;
eunkyoungkim 16:c830d2e7e0f5 83 }
eunkyoungkim 16:c830d2e7e0f5 84
eunkyoungkim 16:c830d2e7e0f5 85 bool SNTPClient::close() {
eunkyoungkim 16:c830d2e7e0f5 86 int ret = socket.close();
eunkyoungkim 16:c830d2e7e0f5 87 if (ret < 0) {
eunkyoungkim 16:c830d2e7e0f5 88 ERR("Could not close");
eunkyoungkim 16:c830d2e7e0f5 89 return false;
eunkyoungkim 16:c830d2e7e0f5 90 }
eunkyoungkim 16:c830d2e7e0f5 91 return true;
eunkyoungkim 16:c830d2e7e0f5 92 }
eunkyoungkim 16:c830d2e7e0f5 93
eunkyoungkim 16:c830d2e7e0f5 94 char* SNTPClient::getHost() {
eunkyoungkim 16:c830d2e7e0f5 95 return host;
eunkyoungkim 16:c830d2e7e0f5 96 }
eunkyoungkim 16:c830d2e7e0f5 97
eunkyoungkim 16:c830d2e7e0f5 98 /*
eunkyoungkim 16:c830d2e7e0f5 99 00)UTC-12:00 Baker Island, Howland Island (both uninhabited)
eunkyoungkim 16:c830d2e7e0f5 100 01) UTC-11:00 American Samoa, Samoa
eunkyoungkim 16:c830d2e7e0f5 101 02) UTC-10:00 (Summer)French Polynesia (most), United States (Aleutian Islands, Hawaii)
eunkyoungkim 16:c830d2e7e0f5 102 03) UTC-09:30 Marquesas Islands
eunkyoungkim 16:c830d2e7e0f5 103 04) UTC-09:00 Gambier Islands;(Summer)United States (most of Alaska)
eunkyoungkim 16:c830d2e7e0f5 104 05) UTC-08:00 (Summer)Canada (most of British Columbia), Mexico (Baja California)
eunkyoungkim 16:c830d2e7e0f5 105 06) UTC-08:00 United States (California, most of Nevada, most of Oregon, Washington (state))
eunkyoungkim 16:c830d2e7e0f5 106 07) UTC-07:00 Mexico (Sonora), United States (Arizona); (Summer)Canada (Alberta)
eunkyoungkim 16:c830d2e7e0f5 107 08) UTC-07:00 Mexico (Chihuahua), United States (Colorado)
eunkyoungkim 16:c830d2e7e0f5 108 09) UTC-06:00 Costa Rica, El Salvador, Ecuador (Galapagos Islands), Guatemala, Honduras
eunkyoungkim 16:c830d2e7e0f5 109 10) UTC-06:00 Mexico (most), Nicaragua;(Summer)Canada (Manitoba, Saskatchewan), United States (Illinois, most of Texas)
eunkyoungkim 16:c830d2e7e0f5 110 11) UTC-05:00 Colombia, Cuba, Ecuador (continental), Haiti, Jamaica, Panama, Peru
eunkyoungkim 16:c830d2e7e0f5 111 12) UTC-05:00 (Summer)Canada (most of Ontario, most of Quebec)
eunkyoungkim 16:c830d2e7e0f5 112 13) UTC-05:00 United States (most of Florida, Georgia, Massachusetts, most of Michigan, New York, North Carolina, Ohio, Washington D.C.)
eunkyoungkim 16:c830d2e7e0f5 113 14) UTC-04:30 Venezuela
eunkyoungkim 16:c830d2e7e0f5 114 15) UTC-04:00 Bolivia, Brazil (Amazonas), Chile (continental), Dominican Republic, Canada (Nova Scotia), Paraguay,
eunkyoungkim 16:c830d2e7e0f5 115 16) UTC-04:00 Puerto Rico, Trinidad and Tobago
eunkyoungkim 16:c830d2e7e0f5 116 17) UTC-03:30 Canada (Newfoundland)
eunkyoungkim 16:c830d2e7e0f5 117 18) UTC-03:00 Argentina; (Summer) Brazil (Brasilia, Rio de Janeiro, Sao Paulo), most of Greenland, Uruguay
eunkyoungkim 16:c830d2e7e0f5 118 19) UTC-02:00 Brazil (Fernando de Noronha), South Georgia and the South Sandwich Islands
eunkyoungkim 16:c830d2e7e0f5 119 20) UTC-01:00 Portugal (Azores), Cape Verde
eunkyoungkim 16:c830d2e7e0f5 120 21) UTC&#177;00:00 Cote d'Ivoire, Faroe Islands, Ghana, Iceland, Senegal; (Summer) Ireland, Portugal (continental and Madeira)
eunkyoungkim 16:c830d2e7e0f5 121 22) UTC&#177;00:00 Spain (Canary Islands), Morocco, United Kingdom
eunkyoungkim 16:c830d2e7e0f5 122 23) UTC+01:00 Angola, Cameroon, Nigeria, Tunisia; (Summer)Albania, Algeria, Austria, Belgium, Bosnia and Herzegovina,
eunkyoungkim 16:c830d2e7e0f5 123 24) UTC+01:00 Spain (continental), Croatia, Czech Republic, Denmark, Germany, Hungary, Italy, Kinshasa, Kosovo,
eunkyoungkim 16:c830d2e7e0f5 124 25) UTC+01:00 Macedonia, France (metropolitan), the Netherlands, Norway, Poland, Serbia, Slovakia, Slovenia, Sweden, Switzerland
eunkyoungkim 16:c830d2e7e0f5 125 26) UTC+02:00 Libya, Egypt, Malawi, Mozambique, South Africa, Zambia, Zimbabwe, (Summer)Bulgaria, Cyprus, Estonia,
eunkyoungkim 16:c830d2e7e0f5 126 27) UTC+02:00 Finland, Greece, Israel, Jordan, Latvia, Lebanon, Lithuania, Moldova, Palestine, Romania, Syria, Turkey, Ukraine
eunkyoungkim 16:c830d2e7e0f5 127 28) UTC+03:00 Belarus, Djibouti, Eritrea, Ethiopia, Iraq, Kenya, Madagascar, Russia (Kaliningrad Oblast), Saudi Arabia,
eunkyoungkim 16:c830d2e7e0f5 128 29) UTC+03:00 South Sudan, Sudan, Somalia, South Sudan, Tanzania, Uganda, Yemen
eunkyoungkim 16:c830d2e7e0f5 129 30) UTC+03:30 (Summer)Iran
eunkyoungkim 16:c830d2e7e0f5 130 31) UTC+04:00 Armenia, Azerbaijan, Georgia, Mauritius, Oman, Russia (European), Seychelles, United Arab Emirates
eunkyoungkim 16:c830d2e7e0f5 131 32) UTC+04:30 Afghanistan
eunkyoungkim 16:c830d2e7e0f5 132 33) UTC+05:00 Kazakhstan (West), Maldives, Pakistan, Uzbekistan
eunkyoungkim 16:c830d2e7e0f5 133 34) UTC+05:30 India, Sri Lanka
eunkyoungkim 16:c830d2e7e0f5 134 35) UTC+05:45 Nepal
eunkyoungkim 16:c830d2e7e0f5 135 36) UTC+06:00 Kazakhstan (most), Bangladesh, Russia (Ural: Sverdlovsk Oblast, Chelyabinsk Oblast)
eunkyoungkim 16:c830d2e7e0f5 136 37) UTC+06:30 Cocos Islands, Myanmar
eunkyoungkim 16:c830d2e7e0f5 137 38) UTC+07:00 Jakarta, Russia (Novosibirsk Oblast), Thailand, Vietnam
eunkyoungkim 16:c830d2e7e0f5 138 39) UTC+08:00 China, Hong Kong, Russia (Krasnoyarsk Krai), Malaysia, Philippines, Singapore, Taiwan, most of Mongolia, Western Australia
eunkyoungkim 16:c830d2e7e0f5 139 40) UTC+09:00 Korea, East Timor, Russia (Irkutsk Oblast), Japan
eunkyoungkim 16:c830d2e7e0f5 140 41) UTC+09:30 Australia (Northern Territory);(Summer)Australia (South Australia))
eunkyoungkim 16:c830d2e7e0f5 141 42) UTC+10:00 Russia (Zabaykalsky Krai); (Summer)Australia (New South Wales, Queensland, Tasmania, Victoria)
eunkyoungkim 16:c830d2e7e0f5 142 43) UTC+10:30 Lord Howe Island
eunkyoungkim 16:c830d2e7e0f5 143 44) UTC+11:00 New Caledonia, Russia (Primorsky Krai), Solomon Islands
eunkyoungkim 16:c830d2e7e0f5 144 45) UTC+11:30 Norfolk Island
eunkyoungkim 16:c830d2e7e0f5 145 46) UTC+12:00 Fiji, Russia (Kamchatka Krai);(Summer)New Zealand
eunkyoungkim 16:c830d2e7e0f5 146 47) UTC+12:45 (Summer)New Zealand
eunkyoungkim 16:c830d2e7e0f5 147 48) UTC+13:00 Tonga
eunkyoungkim 16:c830d2e7e0f5 148 49) UTC+14:00 Kiribati (Line Islands)
eunkyoungkim 16:c830d2e7e0f5 149 */
eunkyoungkim 16:c830d2e7e0f5 150 void SNTPClient::get_seconds_from_ntp_server(uint8_t *buf, uint16_t idx)
eunkyoungkim 16:c830d2e7e0f5 151 {
eunkyoungkim 16:c830d2e7e0f5 152 tstamp seconds = 0;
eunkyoungkim 16:c830d2e7e0f5 153 uint8_t i=0;
eunkyoungkim 16:c830d2e7e0f5 154 for (i = 0; i < 4; i++)
eunkyoungkim 16:c830d2e7e0f5 155 {
eunkyoungkim 16:c830d2e7e0f5 156 seconds = (seconds << 8) | buf[idx + i];
eunkyoungkim 16:c830d2e7e0f5 157 }
eunkyoungkim 16:c830d2e7e0f5 158 switch (tz) // Time Zone
eunkyoungkim 16:c830d2e7e0f5 159 {
eunkyoungkim 16:c830d2e7e0f5 160 case 0:
eunkyoungkim 16:c830d2e7e0f5 161 seconds -= 12*3600;
eunkyoungkim 16:c830d2e7e0f5 162 break;
eunkyoungkim 16:c830d2e7e0f5 163 case 1:
eunkyoungkim 16:c830d2e7e0f5 164 seconds -= 11*3600;
eunkyoungkim 16:c830d2e7e0f5 165 break;
eunkyoungkim 16:c830d2e7e0f5 166 case 2:
eunkyoungkim 16:c830d2e7e0f5 167 seconds -= 10*3600;
eunkyoungkim 16:c830d2e7e0f5 168 break;
eunkyoungkim 16:c830d2e7e0f5 169 case 3:
eunkyoungkim 16:c830d2e7e0f5 170 seconds -= (9*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 171 break;
eunkyoungkim 16:c830d2e7e0f5 172 case 4:
eunkyoungkim 16:c830d2e7e0f5 173 seconds -= 9*3600;
eunkyoungkim 16:c830d2e7e0f5 174 break;
eunkyoungkim 16:c830d2e7e0f5 175 case 5:
eunkyoungkim 16:c830d2e7e0f5 176 case 6:
eunkyoungkim 16:c830d2e7e0f5 177 seconds -= 8*3600;
eunkyoungkim 16:c830d2e7e0f5 178 break;
eunkyoungkim 16:c830d2e7e0f5 179 case 7:
eunkyoungkim 16:c830d2e7e0f5 180 case 8:
eunkyoungkim 16:c830d2e7e0f5 181 seconds -= 7*3600;
eunkyoungkim 16:c830d2e7e0f5 182 break;
eunkyoungkim 16:c830d2e7e0f5 183 case 9:
eunkyoungkim 16:c830d2e7e0f5 184 case 10:
eunkyoungkim 16:c830d2e7e0f5 185 seconds -= 6*3600;
eunkyoungkim 16:c830d2e7e0f5 186 break;
eunkyoungkim 16:c830d2e7e0f5 187 case 11:
eunkyoungkim 16:c830d2e7e0f5 188 case 12:
eunkyoungkim 16:c830d2e7e0f5 189 case 13:
eunkyoungkim 16:c830d2e7e0f5 190 seconds -= 5*3600;
eunkyoungkim 16:c830d2e7e0f5 191 break;
eunkyoungkim 16:c830d2e7e0f5 192 case 14:
eunkyoungkim 16:c830d2e7e0f5 193 seconds -= (4*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 194 break;
eunkyoungkim 16:c830d2e7e0f5 195 case 15:
eunkyoungkim 16:c830d2e7e0f5 196 case 16:
eunkyoungkim 16:c830d2e7e0f5 197 seconds -= 4*3600;
eunkyoungkim 16:c830d2e7e0f5 198 break;
eunkyoungkim 16:c830d2e7e0f5 199 case 17:
eunkyoungkim 16:c830d2e7e0f5 200 seconds -= (3*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 201 break;
eunkyoungkim 16:c830d2e7e0f5 202 case 18:
eunkyoungkim 16:c830d2e7e0f5 203 seconds -= 3*3600;
eunkyoungkim 16:c830d2e7e0f5 204 break;
eunkyoungkim 16:c830d2e7e0f5 205 case 19:
eunkyoungkim 16:c830d2e7e0f5 206 seconds -= 2*3600;
eunkyoungkim 16:c830d2e7e0f5 207 break;
eunkyoungkim 16:c830d2e7e0f5 208 case 20:
eunkyoungkim 16:c830d2e7e0f5 209 seconds -= 1*3600;
eunkyoungkim 16:c830d2e7e0f5 210 break;
eunkyoungkim 16:c830d2e7e0f5 211 case 21: //？
eunkyoungkim 16:c830d2e7e0f5 212 case 22:
eunkyoungkim 16:c830d2e7e0f5 213 break;
eunkyoungkim 16:c830d2e7e0f5 214 case 23:
eunkyoungkim 16:c830d2e7e0f5 215 case 24:
eunkyoungkim 16:c830d2e7e0f5 216 case 25:
eunkyoungkim 16:c830d2e7e0f5 217 seconds += 1*3600;
eunkyoungkim 16:c830d2e7e0f5 218 break;
eunkyoungkim 16:c830d2e7e0f5 219 case 26:
eunkyoungkim 16:c830d2e7e0f5 220 case 27:
eunkyoungkim 16:c830d2e7e0f5 221 seconds += 2*3600;
eunkyoungkim 16:c830d2e7e0f5 222 break;
eunkyoungkim 16:c830d2e7e0f5 223 case 28:
eunkyoungkim 16:c830d2e7e0f5 224 case 29:
eunkyoungkim 16:c830d2e7e0f5 225 seconds += 3*3600;
eunkyoungkim 16:c830d2e7e0f5 226 break;
eunkyoungkim 16:c830d2e7e0f5 227 case 30:
eunkyoungkim 16:c830d2e7e0f5 228 seconds += (3*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 229 break;
eunkyoungkim 16:c830d2e7e0f5 230 case 31:
eunkyoungkim 16:c830d2e7e0f5 231 seconds += 4*3600;
eunkyoungkim 16:c830d2e7e0f5 232 break;
eunkyoungkim 16:c830d2e7e0f5 233 case 32:
eunkyoungkim 16:c830d2e7e0f5 234 seconds += (4*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 235 break;
eunkyoungkim 16:c830d2e7e0f5 236 case 33:
eunkyoungkim 16:c830d2e7e0f5 237 seconds += 5*3600;
eunkyoungkim 16:c830d2e7e0f5 238 break;
eunkyoungkim 16:c830d2e7e0f5 239 case 34:
eunkyoungkim 16:c830d2e7e0f5 240 seconds += (5*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 241 break;
eunkyoungkim 16:c830d2e7e0f5 242 case 35:
eunkyoungkim 16:c830d2e7e0f5 243 seconds += (5*3600+45*60);
eunkyoungkim 16:c830d2e7e0f5 244 break;
eunkyoungkim 16:c830d2e7e0f5 245 case 36:
eunkyoungkim 16:c830d2e7e0f5 246 seconds += 6*3600;
eunkyoungkim 16:c830d2e7e0f5 247 break;
eunkyoungkim 16:c830d2e7e0f5 248 case 37:
eunkyoungkim 16:c830d2e7e0f5 249 seconds += (6*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 250 break;
eunkyoungkim 16:c830d2e7e0f5 251 case 38:
eunkyoungkim 16:c830d2e7e0f5 252 seconds += 7*3600;
eunkyoungkim 16:c830d2e7e0f5 253 break;
eunkyoungkim 16:c830d2e7e0f5 254 case 39:
eunkyoungkim 16:c830d2e7e0f5 255 seconds += 8*3600;
eunkyoungkim 16:c830d2e7e0f5 256 break;
eunkyoungkim 16:c830d2e7e0f5 257 case 40:
eunkyoungkim 16:c830d2e7e0f5 258 seconds += 9*3600;
eunkyoungkim 16:c830d2e7e0f5 259 break;
eunkyoungkim 16:c830d2e7e0f5 260 case 41:
eunkyoungkim 16:c830d2e7e0f5 261 seconds += (9*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 262 break;
eunkyoungkim 16:c830d2e7e0f5 263 case 42:
eunkyoungkim 16:c830d2e7e0f5 264 seconds += 10*3600;
eunkyoungkim 16:c830d2e7e0f5 265 break;
eunkyoungkim 16:c830d2e7e0f5 266 case 43:
eunkyoungkim 16:c830d2e7e0f5 267 seconds += (10*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 268 break;
eunkyoungkim 16:c830d2e7e0f5 269 case 44:
eunkyoungkim 16:c830d2e7e0f5 270 seconds += 11*3600;
eunkyoungkim 16:c830d2e7e0f5 271 break;
eunkyoungkim 16:c830d2e7e0f5 272 case 45:
eunkyoungkim 16:c830d2e7e0f5 273 seconds += (11*3600+30*60);
eunkyoungkim 16:c830d2e7e0f5 274 break;
eunkyoungkim 16:c830d2e7e0f5 275 case 46:
eunkyoungkim 16:c830d2e7e0f5 276 seconds += 12*3600;
eunkyoungkim 16:c830d2e7e0f5 277 break;
eunkyoungkim 16:c830d2e7e0f5 278 case 47:
eunkyoungkim 16:c830d2e7e0f5 279 seconds += (12*3600+45*60);
eunkyoungkim 16:c830d2e7e0f5 280 break;
eunkyoungkim 16:c830d2e7e0f5 281 case 48:
eunkyoungkim 16:c830d2e7e0f5 282 seconds += 13*3600;
eunkyoungkim 16:c830d2e7e0f5 283 break;
eunkyoungkim 16:c830d2e7e0f5 284 case 49:
eunkyoungkim 16:c830d2e7e0f5 285 seconds += 14*3600;
eunkyoungkim 16:c830d2e7e0f5 286 break;
eunkyoungkim 16:c830d2e7e0f5 287
eunkyoungkim 16:c830d2e7e0f5 288 }
eunkyoungkim 16:c830d2e7e0f5 289
eunkyoungkim 16:c830d2e7e0f5 290 //calculation for date
eunkyoungkim 16:c830d2e7e0f5 291 calcdatetime(seconds);
eunkyoungkim 16:c830d2e7e0f5 292 }
eunkyoungkim 16:c830d2e7e0f5 293
eunkyoungkim 16:c830d2e7e0f5 294 void SNTPClient::calcdatetime(tstamp seconds)
eunkyoungkim 16:c830d2e7e0f5 295 {
eunkyoungkim 16:c830d2e7e0f5 296 uint8_t yf=0;
eunkyoungkim 16:c830d2e7e0f5 297 tstamp n=0,d=0,total_d=0,rz=0;
eunkyoungkim 16:c830d2e7e0f5 298 uint16_t y=0,r=0,yr=0;
eunkyoungkim 16:c830d2e7e0f5 299 signed long long yd=0;
eunkyoungkim 16:c830d2e7e0f5 300
eunkyoungkim 16:c830d2e7e0f5 301 n = seconds;
eunkyoungkim 16:c830d2e7e0f5 302 total_d = seconds/(SECS_PERDAY);
eunkyoungkim 16:c830d2e7e0f5 303 d=0;
eunkyoungkim 16:c830d2e7e0f5 304 uint32_t p_year_total_sec=SECS_PERDAY*365;
eunkyoungkim 16:c830d2e7e0f5 305 uint32_t r_year_total_sec=SECS_PERDAY*366;
eunkyoungkim 16:c830d2e7e0f5 306 while(n>=p_year_total_sec)
eunkyoungkim 16:c830d2e7e0f5 307 {
eunkyoungkim 16:c830d2e7e0f5 308 if((EPOCH+r)%400==0 || ((EPOCH+r)%100!=0 && (EPOCH+r)%4==0))
eunkyoungkim 16:c830d2e7e0f5 309 {
eunkyoungkim 16:c830d2e7e0f5 310 n = n -(r_year_total_sec);
eunkyoungkim 16:c830d2e7e0f5 311 d = d + 366;
eunkyoungkim 16:c830d2e7e0f5 312 }
eunkyoungkim 16:c830d2e7e0f5 313 else
eunkyoungkim 16:c830d2e7e0f5 314 {
eunkyoungkim 16:c830d2e7e0f5 315 n = n - (p_year_total_sec);
eunkyoungkim 16:c830d2e7e0f5 316 d = d + 365;
eunkyoungkim 16:c830d2e7e0f5 317 }
eunkyoungkim 16:c830d2e7e0f5 318 r+=1;
eunkyoungkim 16:c830d2e7e0f5 319 y+=1;
eunkyoungkim 16:c830d2e7e0f5 320
eunkyoungkim 16:c830d2e7e0f5 321 }
eunkyoungkim 16:c830d2e7e0f5 322
eunkyoungkim 16:c830d2e7e0f5 323 y += EPOCH;
eunkyoungkim 16:c830d2e7e0f5 324
eunkyoungkim 16:c830d2e7e0f5 325 Nowdatetime.yy = y;
eunkyoungkim 16:c830d2e7e0f5 326
eunkyoungkim 16:c830d2e7e0f5 327 yd=0;
eunkyoungkim 16:c830d2e7e0f5 328 yd = total_d - d;
eunkyoungkim 16:c830d2e7e0f5 329
eunkyoungkim 16:c830d2e7e0f5 330 yf=1;
eunkyoungkim 16:c830d2e7e0f5 331 while(yd>=28)
eunkyoungkim 16:c830d2e7e0f5 332 {
eunkyoungkim 16:c830d2e7e0f5 333
eunkyoungkim 16:c830d2e7e0f5 334 if(yf==1 || yf==3 || yf==5 || yf==7 || yf==8 || yf==10 || yf==12)
eunkyoungkim 16:c830d2e7e0f5 335 {
eunkyoungkim 16:c830d2e7e0f5 336 yd -= 31;
eunkyoungkim 16:c830d2e7e0f5 337 if(yd<0)break;
eunkyoungkim 16:c830d2e7e0f5 338 rz += 31;
eunkyoungkim 16:c830d2e7e0f5 339 }
eunkyoungkim 16:c830d2e7e0f5 340
eunkyoungkim 16:c830d2e7e0f5 341 if (yf==2)
eunkyoungkim 16:c830d2e7e0f5 342 {
eunkyoungkim 16:c830d2e7e0f5 343 if (y%400==0 || (y%100!=0 && y%4==0))
eunkyoungkim 16:c830d2e7e0f5 344 {
eunkyoungkim 16:c830d2e7e0f5 345 yd -= 29;
eunkyoungkim 16:c830d2e7e0f5 346 if(yd<0)break;
eunkyoungkim 16:c830d2e7e0f5 347 rz += 29;
eunkyoungkim 16:c830d2e7e0f5 348 }
eunkyoungkim 16:c830d2e7e0f5 349 else
eunkyoungkim 16:c830d2e7e0f5 350 {
eunkyoungkim 16:c830d2e7e0f5 351 yd -= 28;
eunkyoungkim 16:c830d2e7e0f5 352 if(yd<0)break;
eunkyoungkim 16:c830d2e7e0f5 353 rz += 28;
eunkyoungkim 16:c830d2e7e0f5 354 }
eunkyoungkim 16:c830d2e7e0f5 355 }
eunkyoungkim 16:c830d2e7e0f5 356 if(yf==4 || yf==6 || yf==9 || yf==11 )
eunkyoungkim 16:c830d2e7e0f5 357 {
eunkyoungkim 16:c830d2e7e0f5 358 yd -= 30;
eunkyoungkim 16:c830d2e7e0f5 359 if(yd<0)break;
eunkyoungkim 16:c830d2e7e0f5 360 rz += 30;
eunkyoungkim 16:c830d2e7e0f5 361 }
eunkyoungkim 16:c830d2e7e0f5 362 yf += 1;
eunkyoungkim 16:c830d2e7e0f5 363
eunkyoungkim 16:c830d2e7e0f5 364 }
eunkyoungkim 16:c830d2e7e0f5 365 Nowdatetime.mo=yf;
eunkyoungkim 16:c830d2e7e0f5 366 yr = total_d-d-rz;
eunkyoungkim 16:c830d2e7e0f5 367
eunkyoungkim 16:c830d2e7e0f5 368 yr += 1;
eunkyoungkim 16:c830d2e7e0f5 369
eunkyoungkim 16:c830d2e7e0f5 370 Nowdatetime.dd=yr;
eunkyoungkim 16:c830d2e7e0f5 371
eunkyoungkim 16:c830d2e7e0f5 372 //calculation for time
eunkyoungkim 16:c830d2e7e0f5 373 seconds = seconds%SECS_PERDAY;
eunkyoungkim 16:c830d2e7e0f5 374 Nowdatetime.hh = seconds/3600;
eunkyoungkim 16:c830d2e7e0f5 375 Nowdatetime.mm = (seconds%3600)/60;
eunkyoungkim 16:c830d2e7e0f5 376 Nowdatetime.ss = (seconds%3600)%60;
eunkyoungkim 16:c830d2e7e0f5 377
eunkyoungkim 16:c830d2e7e0f5 378 }
eunkyoungkim 16:c830d2e7e0f5 379
eunkyoungkim 16:c830d2e7e0f5 380 tstamp SNTPClient::changedatetime_to_seconds(void)
eunkyoungkim 16:c830d2e7e0f5 381 {
eunkyoungkim 16:c830d2e7e0f5 382 tstamp seconds=0;
eunkyoungkim 16:c830d2e7e0f5 383 uint32_t total_day=0;
eunkyoungkim 16:c830d2e7e0f5 384 uint16_t i=0,run_year_cnt=0,l=0;
eunkyoungkim 16:c830d2e7e0f5 385
eunkyoungkim 16:c830d2e7e0f5 386 l = Nowdatetime.yy;//low
eunkyoungkim 16:c830d2e7e0f5 387
eunkyoungkim 16:c830d2e7e0f5 388
eunkyoungkim 16:c830d2e7e0f5 389 for(i=EPOCH;i<l;i++)
eunkyoungkim 16:c830d2e7e0f5 390 {
eunkyoungkim 16:c830d2e7e0f5 391 if((i%400==0) || ((i%100!=0) && (i%4==0)))
eunkyoungkim 16:c830d2e7e0f5 392 {
eunkyoungkim 16:c830d2e7e0f5 393 run_year_cnt += 1;
eunkyoungkim 16:c830d2e7e0f5 394 }
eunkyoungkim 16:c830d2e7e0f5 395 }
eunkyoungkim 16:c830d2e7e0f5 396
eunkyoungkim 16:c830d2e7e0f5 397 total_day=(l-EPOCH-run_year_cnt)*365+run_year_cnt*366;
eunkyoungkim 16:c830d2e7e0f5 398
eunkyoungkim 16:c830d2e7e0f5 399 for(i=1;i<=Nowdatetime.mo;i++)
eunkyoungkim 16:c830d2e7e0f5 400 {
eunkyoungkim 16:c830d2e7e0f5 401 if(i==5 || i==7 || i==10 || i==12)
eunkyoungkim 16:c830d2e7e0f5 402 {
eunkyoungkim 16:c830d2e7e0f5 403 total_day += 30;
eunkyoungkim 16:c830d2e7e0f5 404 }
eunkyoungkim 16:c830d2e7e0f5 405 if (i==3)
eunkyoungkim 16:c830d2e7e0f5 406 {
eunkyoungkim 16:c830d2e7e0f5 407 if (l%400==0 && l%100!=0 && l%4==0)
eunkyoungkim 16:c830d2e7e0f5 408 {
eunkyoungkim 16:c830d2e7e0f5 409 total_day += 29;
eunkyoungkim 16:c830d2e7e0f5 410 }
eunkyoungkim 16:c830d2e7e0f5 411 else
eunkyoungkim 16:c830d2e7e0f5 412 {
eunkyoungkim 16:c830d2e7e0f5 413 total_day += 28;
eunkyoungkim 16:c830d2e7e0f5 414 }
eunkyoungkim 16:c830d2e7e0f5 415 }
eunkyoungkim 16:c830d2e7e0f5 416 if(i==2 || i==4 || i==6 || i==8 || i==9 || i==11)
eunkyoungkim 16:c830d2e7e0f5 417 {
eunkyoungkim 16:c830d2e7e0f5 418 total_day += 31;
eunkyoungkim 16:c830d2e7e0f5 419 }
eunkyoungkim 16:c830d2e7e0f5 420 }
eunkyoungkim 16:c830d2e7e0f5 421
eunkyoungkim 16:c830d2e7e0f5 422 seconds = (total_day+Nowdatetime.dd-1)*24*3600;
eunkyoungkim 16:c830d2e7e0f5 423 seconds += Nowdatetime.ss;//seconds
eunkyoungkim 16:c830d2e7e0f5 424 seconds += Nowdatetime.mm*60;//minute
eunkyoungkim 16:c830d2e7e0f5 425 seconds += Nowdatetime.hh*3600;//hour
eunkyoungkim 16:c830d2e7e0f5 426
eunkyoungkim 16:c830d2e7e0f5 427 return seconds;
eunkyoungkim 16:c830d2e7e0f5 428 }