David Smart / TimeInterface

A time interface class. This class replicates the normal time functions, but goes a couple of steps further. mbed library 82 and prior has a defective gmtime function. Also, this class enables access to setting the time, and adjusting the accuracy of the RTC.

Dependencies:   CalendarPage

Dependents:   CI-data-logger-server WattEye X10Svr SSDP_Server

TimeInterface.cpp@17:45dae5a72679, 2017-04-12 (annotated)

Committer:
WiredHome
Date:
Wed Apr 12 02:25:22 2017 +0000
Revision:
17:45dae5a72679
Parent:
11:1d880a50da8a
Child:
18:dcd46f9e98fa
Enhanced strptime to set the day of week correctly by interpreting the time value parameters.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
WiredHome 0:61112ca9193b 1
WiredHome 0:61112ca9193b 2 #include "TimeInterface.h"
WiredHome 0:61112ca9193b 3
WiredHome 0:61112ca9193b 4 #include "rtc_api.h"
WiredHome 0:61112ca9193b 5
WiredHome 7:1de342fa7840 6 //#define DEBUG "Time"
WiredHome 2:65e0a25c7551 7 #include <cstdio>
WiredHome 2:65e0a25c7551 8 #if (defined(DEBUG) && !defined(TARGET_LPC11U24))
WiredHome 2:65e0a25c7551 9 #define DBG(x, ...) std::printf("[DBG %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 2:65e0a25c7551 10 #define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 2:65e0a25c7551 11 #define ERR(x, ...) std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 2:65e0a25c7551 12 #define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
WiredHome 2:65e0a25c7551 13 #else
WiredHome 2:65e0a25c7551 14 #define DBG(x, ...)
WiredHome 2:65e0a25c7551 15 #define WARN(x, ...)
WiredHome 2:65e0a25c7551 16 #define ERR(x, ...)
WiredHome 2:65e0a25c7551 17 #define INFO(x, ...)
WiredHome 2:65e0a25c7551 18 #endif
WiredHome 2:65e0a25c7551 19
WiredHome 0:61112ca9193b 20 #ifdef WIN32
WiredHome 0:61112ca9193b 21 // Fake it out for Win32 development and testing
WiredHome 0:61112ca9193b 22 struct LPC {
WiredHome 0:61112ca9193b 23 unsigned long CCR; // Clock Control register
WiredHome 0:61112ca9193b 24 unsigned long GPREG0; // General Purpose Register #0 - 32-bit Battery backed
WiredHome 0:61112ca9193b 25 unsigned long GPREG1; // General Purpose Register #1 - 32-bit Battery backed
WiredHome 0:61112ca9193b 26 unsigned long CALIBRATION; // Calibration Register
WiredHome 0:61112ca9193b 27 };
WiredHome 0:61112ca9193b 28 struct LPC X;
WiredHome 0:61112ca9193b 29 struct LPC * LPC_RTC = &X;
WiredHome 0:61112ca9193b 30 #define set_time(x) (void)x
WiredHome 0:61112ca9193b 31 #endif
WiredHome 0:61112ca9193b 32
WiredHome 0:61112ca9193b 33
WiredHome 0:61112ca9193b 34 TimeInterface::TimeInterface()
WiredHome 0:61112ca9193b 35 {
WiredHome 6:c79cfe750416 36 dst = false;
WiredHome 6:c79cfe750416 37 memset(&dst_pair, 0, sizeof(dst_pair)); // that's enough to keep it from running
WiredHome 0:61112ca9193b 38 }
WiredHome 0:61112ca9193b 39
WiredHome 0:61112ca9193b 40 TimeInterface::~TimeInterface()
WiredHome 0:61112ca9193b 41 {
WiredHome 0:61112ca9193b 42 }
WiredHome 0:61112ca9193b 43
WiredHome 2:65e0a25c7551 44 NTPResult TimeInterface::setTime(const char* host, uint16_t port, uint32_t timeout)
WiredHome 2:65e0a25c7551 45 {
WiredHome 2:65e0a25c7551 46 NTPClient ntp;
WiredHome 2:65e0a25c7551 47 NTPResult res;
WiredHome 5:a5f50b5fb856 48 // int16_t tzomin = get_tzo_min();
WiredHome 6:c79cfe750416 49 INFO("setTime(%s, %d, %d)\r\n", host, port, timeout);
WiredHome 2:65e0a25c7551 50 res = ntp.setTime(host, port, timeout);
WiredHome 2:65e0a25c7551 51 INFO(" ret: %d\r\n", res);
WiredHome 2:65e0a25c7551 52 if (res == NTP_OK) {
WiredHome 10:5734dbc2f5cc 53 // if the time was fetched successfully, then
WiredHome 2:65e0a25c7551 54 // let's save the time last set with the local tzo applied
WiredHome 2:65e0a25c7551 55 // and this saves the last time set for later precision
WiredHome 2:65e0a25c7551 56 // tuning.
WiredHome 2:65e0a25c7551 57 set_time(std::time(NULL));
WiredHome 2:65e0a25c7551 58 }
WiredHome 2:65e0a25c7551 59 return res;
WiredHome 2:65e0a25c7551 60 }
WiredHome 2:65e0a25c7551 61
WiredHome 6:c79cfe750416 62 bool TimeInterface::parseDSTstring(TimeInterface::dst_event_t * result, const char * dstr)
WiredHome 3:49f36b489b64 63 {
WiredHome 6:c79cfe750416 64 int x;
WiredHome 6:c79cfe750416 65 dst_event_t test_dst;
WiredHome 10:5734dbc2f5cc 66
WiredHome 6:c79cfe750416 67 x = atoi(dstr);
WiredHome 6:c79cfe750416 68 if (x >= 1 && x <= 12) {
WiredHome 6:c79cfe750416 69 test_dst.MM = x;
WiredHome 6:c79cfe750416 70 dstr = strchr(dstr, '/');
WiredHome 6:c79cfe750416 71 if (dstr++) {
WiredHome 6:c79cfe750416 72 x = atoi(dstr);
WiredHome 6:c79cfe750416 73 if (x >= 1 && x <= 31) {
WiredHome 6:c79cfe750416 74 test_dst.DD = x;
WiredHome 6:c79cfe750416 75 dstr = strchr(dstr, ',');
WiredHome 6:c79cfe750416 76 if (dstr++) {
WiredHome 6:c79cfe750416 77 x = atoi(dstr);
WiredHome 6:c79cfe750416 78 if (x >= 0 && x <= 23) {
WiredHome 6:c79cfe750416 79 test_dst.hh = x;
WiredHome 6:c79cfe750416 80 dstr = strchr(dstr, ':');
WiredHome 6:c79cfe750416 81 if (dstr++) {
WiredHome 6:c79cfe750416 82 x = atoi(dstr);
WiredHome 6:c79cfe750416 83 if (x >= 0 && x <= 59) {
WiredHome 6:c79cfe750416 84 test_dst.mm = x;
WiredHome 6:c79cfe750416 85 memcpy(result, &test_dst, sizeof(dst_event_t));
WiredHome 6:c79cfe750416 86 INFO("parsed: %d/%d %d:%02d", test_dst.MM, test_dst.DD, test_dst.hh, test_dst.mm);
WiredHome 6:c79cfe750416 87 return true;
WiredHome 6:c79cfe750416 88 }
WiredHome 6:c79cfe750416 89 }
WiredHome 6:c79cfe750416 90 }
WiredHome 6:c79cfe750416 91 }
WiredHome 6:c79cfe750416 92 }
WiredHome 6:c79cfe750416 93 }
WiredHome 6:c79cfe750416 94 }
WiredHome 6:c79cfe750416 95 return false;
WiredHome 3:49f36b489b64 96 }
WiredHome 3:49f36b489b64 97
WiredHome 6:c79cfe750416 98 // parse MM/DD,hh:mm
WiredHome 6:c79cfe750416 99 bool TimeInterface::set_dst(const char * dstStart, const char * dstStop)
WiredHome 3:49f36b489b64 100 {
WiredHome 6:c79cfe750416 101 dst_event_pair_t test_pair;
WiredHome 10:5734dbc2f5cc 102
WiredHome 6:c79cfe750416 103 if (parseDSTstring(&test_pair.dst_start, dstStart)
WiredHome 11:1d880a50da8a 104 && parseDSTstring(&test_pair.dst_stop, dstStop)) {
WiredHome 6:c79cfe750416 105 memcpy(&dst_pair, &test_pair, sizeof(dst_event_pair_t));
WiredHome 6:c79cfe750416 106 INFO("set_dst from (%s,%s)", dstStart, dstStop);
WiredHome 6:c79cfe750416 107 return true;
WiredHome 6:c79cfe750416 108 }
WiredHome 6:c79cfe750416 109 WARN("failed to set_dst from (%s,%s)", dstStart, dstStop);
WiredHome 6:c79cfe750416 110 return false;
WiredHome 6:c79cfe750416 111 }
WiredHome 6:c79cfe750416 112
WiredHome 6:c79cfe750416 113 bool TimeInterface::set_dst(bool isdst)
WiredHome 6:c79cfe750416 114 {
WiredHome 6:c79cfe750416 115 dst = isdst;
WiredHome 6:c79cfe750416 116 return true;
WiredHome 6:c79cfe750416 117 }
WiredHome 6:c79cfe750416 118
WiredHome 6:c79cfe750416 119 bool TimeInterface::get_dst(void)
WiredHome 6:c79cfe750416 120 {
WiredHome 10:5734dbc2f5cc 121 return dst;
WiredHome 3:49f36b489b64 122 }
WiredHome 3:49f36b489b64 123
WiredHome 0:61112ca9193b 124 clock_t TimeInterface::clock(void)
WiredHome 0:61112ca9193b 125 {
WiredHome 0:61112ca9193b 126 return std::clock();
WiredHome 0:61112ca9193b 127 }
WiredHome 0:61112ca9193b 128
WiredHome 7:1de342fa7840 129 time_t TimeInterface::time(time_t * timer)
WiredHome 0:61112ca9193b 130 {
WiredHome 0:61112ca9193b 131 return std::time(timer);
WiredHome 0:61112ca9193b 132 }
WiredHome 0:61112ca9193b 133
WiredHome 6:c79cfe750416 134 uint32_t TimeInterface::minutesSinceJan(int mon, int day, int hr, int min)
WiredHome 6:c79cfe750416 135 {
WiredHome 6:c79cfe750416 136 return (mon * 60 * 24 * 31) + (day * 60 * 24) + (hr * 60) + min;
WiredHome 6:c79cfe750416 137 }
WiredHome 6:c79cfe750416 138
WiredHome 7:1de342fa7840 139 time_t TimeInterface::timelocal(time_t * timer)
WiredHome 1:2ee90f546f54 140 {
WiredHome 6:c79cfe750416 141 time_t privTime;
WiredHome 6:c79cfe750416 142 struct tm * tminfo;
WiredHome 10:5734dbc2f5cc 143
WiredHome 6:c79cfe750416 144 if (dst_pair.dst_start.MM) { // may have to change the dst
WiredHome 6:c79cfe750416 145 std::time(&privTime);
WiredHome 6:c79cfe750416 146 tminfo = std::localtime(&privTime);
WiredHome 10:5734dbc2f5cc 147
WiredHome 6:c79cfe750416 148 uint32_t min_since_jan = minutesSinceJan(tminfo->tm_mon + 1, tminfo->tm_mday, tminfo->tm_hour, tminfo->tm_min);
WiredHome 7:1de342fa7840 149 uint32_t min_dst_start = minutesSinceJan(dst_pair.dst_start.MM, dst_pair.dst_start.DD, dst_pair.dst_start.hh, dst_pair.dst_start.mm) + get_tzo_min();
WiredHome 7:1de342fa7840 150 uint32_t min_dst_stop = minutesSinceJan(dst_pair.dst_stop.MM, dst_pair.dst_stop.DD, dst_pair.dst_stop.hh, dst_pair.dst_stop.mm) + get_tzo_min();
WiredHome 10:5734dbc2f5cc 151
WiredHome 6:c79cfe750416 152 if (min_since_jan >= min_dst_start && min_since_jan < min_dst_stop) {
WiredHome 6:c79cfe750416 153 dst = 1;
WiredHome 7:1de342fa7840 154 //INFO(" is dst: %u - %u - %u", min_since_jan, min_dst_start, min_dst_stop);
WiredHome 6:c79cfe750416 155 } else {
WiredHome 6:c79cfe750416 156 dst = 0;
WiredHome 7:1de342fa7840 157 //INFO("not dst: %u - %u - %u", min_since_jan, min_dst_start, min_dst_stop);
WiredHome 6:c79cfe750416 158 }
WiredHome 6:c79cfe750416 159 }
WiredHome 7:1de342fa7840 160 INFO(" timelocal: %u, %d, %d", std::time(timer), get_tzo_min(), dst);
WiredHome 7:1de342fa7840 161 return std::time(timer) + get_tzo_min() * 60 + dst * 3600;
WiredHome 1:2ee90f546f54 162 }
WiredHome 1:2ee90f546f54 163
WiredHome 0:61112ca9193b 164 char * TimeInterface::ctime(const time_t * timer)
WiredHome 0:61112ca9193b 165 {
WiredHome 0:61112ca9193b 166 char * p = std::ctime(timer);
WiredHome 10:5734dbc2f5cc 167
WiredHome 0:61112ca9193b 168 if (strlen(p) < sizeof(result)) {
WiredHome 0:61112ca9193b 169 strcpy(result, p);
WiredHome 0:61112ca9193b 170 p = strchr(result, '\n');
WiredHome 0:61112ca9193b 171 if (p)
WiredHome 0:61112ca9193b 172 *p = '\0';
WiredHome 0:61112ca9193b 173 } else {
WiredHome 0:61112ca9193b 174 result[0] = '\0';
WiredHome 0:61112ca9193b 175 }
WiredHome 0:61112ca9193b 176 return result;
WiredHome 0:61112ca9193b 177 }
WiredHome 0:61112ca9193b 178
WiredHome 2:65e0a25c7551 179 char * TimeInterface::asctime(const struct tm_ex * timeptr)
WiredHome 0:61112ca9193b 180 {
WiredHome 0:61112ca9193b 181 static const char wday_name[][4] = {
WiredHome 0:61112ca9193b 182 "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
WiredHome 0:61112ca9193b 183 };
WiredHome 0:61112ca9193b 184 static const char mon_name[][4] = {
WiredHome 0:61112ca9193b 185 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
WiredHome 0:61112ca9193b 186 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
WiredHome 0:61112ca9193b 187 };
WiredHome 10:5734dbc2f5cc 188 struct tm_ex tmp = *timeptr;
WiredHome 0:61112ca9193b 189
WiredHome 10:5734dbc2f5cc 190 tmp.tm_min += tmp.tm_tzo_min;
WiredHome 10:5734dbc2f5cc 191 while (tmp.tm_min >= 60) {
WiredHome 10:5734dbc2f5cc 192 tmp.tm_min -= 60;
WiredHome 10:5734dbc2f5cc 193 tmp.tm_hour++;
WiredHome 10:5734dbc2f5cc 194 }
WiredHome 10:5734dbc2f5cc 195 while (tmp.tm_min < 0) {
WiredHome 10:5734dbc2f5cc 196 tmp.tm_min += 60;
WiredHome 10:5734dbc2f5cc 197 tmp.tm_hour--;
WiredHome 10:5734dbc2f5cc 198 }
WiredHome 10:5734dbc2f5cc 199 while (tmp.tm_hour >= 24) {
WiredHome 10:5734dbc2f5cc 200 tmp.tm_wday = (tmp.tm_wday + 1) % 7;
WiredHome 10:5734dbc2f5cc 201 tmp.tm_mday++;
WiredHome 10:5734dbc2f5cc 202 tmp.tm_hour -= 24;
WiredHome 10:5734dbc2f5cc 203 }
WiredHome 10:5734dbc2f5cc 204 while (tmp.tm_hour < 0) {
WiredHome 10:5734dbc2f5cc 205 tmp.tm_wday = (tmp.tm_wday + 6) % 7;
WiredHome 10:5734dbc2f5cc 206 tmp.tm_mday--;
WiredHome 10:5734dbc2f5cc 207 tmp.tm_hour += 24;
WiredHome 10:5734dbc2f5cc 208 }
WiredHome 0:61112ca9193b 209 sprintf(result, "%.3s %.3s%3d %.2d:%.2d:%.2d %d",
WiredHome 10:5734dbc2f5cc 210 wday_name[tmp.tm_wday % 7],
WiredHome 10:5734dbc2f5cc 211 mon_name[tmp.tm_mon % 12],
WiredHome 10:5734dbc2f5cc 212 tmp.tm_mday, tmp.tm_hour,
WiredHome 10:5734dbc2f5cc 213 tmp.tm_min, tmp.tm_sec,
WiredHome 10:5734dbc2f5cc 214 1900 + tmp.tm_year);
WiredHome 0:61112ca9193b 215 return result;
WiredHome 0:61112ca9193b 216 }
WiredHome 0:61112ca9193b 217
WiredHome 11:1d880a50da8a 218 struct tm_ex * TimeInterface::gmtime(const time_t * timer)
WiredHome 11:1d880a50da8a 219 {
WiredHome 7:1de342fa7840 220 time_t priv = *timer + get_tzo_min() * 60 + dst * 3600;
WiredHome 0:61112ca9193b 221 struct tm * tmp = std::localtime(&priv);
WiredHome 10:5734dbc2f5cc 222
WiredHome 0:61112ca9193b 223 tm_ext.tm_sec = tmp->tm_sec;
WiredHome 0:61112ca9193b 224 tm_ext.tm_min = tmp->tm_min;
WiredHome 0:61112ca9193b 225 tm_ext.tm_hour = tmp->tm_hour;
WiredHome 0:61112ca9193b 226 tm_ext.tm_mday = tmp->tm_mday;
WiredHome 0:61112ca9193b 227 tm_ext.tm_mon = tmp->tm_mon;
WiredHome 0:61112ca9193b 228 tm_ext.tm_year = tmp->tm_year;
WiredHome 0:61112ca9193b 229 tm_ext.tm_wday = tmp->tm_wday;
WiredHome 0:61112ca9193b 230 tm_ext.tm_yday = tmp->tm_yday;
WiredHome 0:61112ca9193b 231 tm_ext.tm_isdst = tmp->tm_isdst;
WiredHome 0:61112ca9193b 232 tm_ext.tm_tzo_min = get_tzo_min();
WiredHome 0:61112ca9193b 233 return &tm_ext;
WiredHome 0:61112ca9193b 234 }
WiredHome 0:61112ca9193b 235
WiredHome 11:1d880a50da8a 236 struct tm_ex * TimeInterface::localtime(const time_t * timer)
WiredHome 11:1d880a50da8a 237 {
WiredHome 0:61112ca9193b 238 struct tm * tmp = std::localtime(timer);
WiredHome 10:5734dbc2f5cc 239
WiredHome 0:61112ca9193b 240 tm_ext.tm_sec = tmp->tm_sec;
WiredHome 0:61112ca9193b 241 tm_ext.tm_min = tmp->tm_min;
WiredHome 0:61112ca9193b 242 tm_ext.tm_hour = tmp->tm_hour;
WiredHome 0:61112ca9193b 243 tm_ext.tm_mday = tmp->tm_mday;
WiredHome 0:61112ca9193b 244 tm_ext.tm_mon = tmp->tm_mon;
WiredHome 0:61112ca9193b 245 tm_ext.tm_year = tmp->tm_year;
WiredHome 0:61112ca9193b 246 tm_ext.tm_wday = tmp->tm_wday;
WiredHome 0:61112ca9193b 247 tm_ext.tm_yday = tmp->tm_yday;
WiredHome 0:61112ca9193b 248 tm_ext.tm_isdst = tmp->tm_isdst;
WiredHome 0:61112ca9193b 249 tm_ext.tm_tzo_min = get_tzo_min();
WiredHome 0:61112ca9193b 250 return &tm_ext;
WiredHome 0:61112ca9193b 251 }
WiredHome 0:61112ca9193b 252
WiredHome 0:61112ca9193b 253 time_t TimeInterface::mktime(struct tm_ex * timeptr)
WiredHome 0:61112ca9193b 254 {
WiredHome 0:61112ca9193b 255 return std::mktime((struct tm *)timeptr);
WiredHome 0:61112ca9193b 256 }
WiredHome 0:61112ca9193b 257
WiredHome 0:61112ca9193b 258 size_t TimeInterface::strftime(char * ptr, size_t maxsize, const char * format, const struct tm_ex * timeptr)
WiredHome 0:61112ca9193b 259 {
WiredHome 0:61112ca9193b 260 return std::strftime(ptr, maxsize, format, (struct tm *)timeptr);
WiredHome 0:61112ca9193b 261 }
WiredHome 0:61112ca9193b 262
WiredHome 0:61112ca9193b 263 double TimeInterface::difftime(time_t end, time_t beginning)
WiredHome 0:61112ca9193b 264 {
WiredHome 0:61112ca9193b 265 return std::difftime(end, beginning);
WiredHome 0:61112ca9193b 266 }
WiredHome 0:61112ca9193b 267
WiredHome 0:61112ca9193b 268
WiredHome 0:61112ca9193b 269
WiredHome 0:61112ca9193b 270 // time zone functions
WiredHome 0:61112ca9193b 271
WiredHome 0:61112ca9193b 272 void TimeInterface::set_time(time_t t, int16_t tzo_min)
WiredHome 0:61112ca9193b 273 {
WiredHome 2:65e0a25c7551 274 time_t tval = t - (tzo_min * 60);
WiredHome 0:61112ca9193b 275 rtc_init();
WiredHome 0:61112ca9193b 276 rtc_write(tval);
WiredHome 0:61112ca9193b 277 LPC_RTC->GPREG1 = tval;
WiredHome 2:65e0a25c7551 278 INFO("set_time(%s)", ctime(&tval));
WiredHome 0:61112ca9193b 279 }
WiredHome 0:61112ca9193b 280
WiredHome 0:61112ca9193b 281 void TimeInterface::set_tzo_min(int16_t tzo_min)
WiredHome 0:61112ca9193b 282 {
WiredHome 0:61112ca9193b 283 uint16_t th;
WiredHome 0:61112ca9193b 284 uint32_t treg;
WiredHome 10:5734dbc2f5cc 285
WiredHome 0:61112ca9193b 286 if (tzo_min >= -720 && tzo_min <= 720) {
WiredHome 0:61112ca9193b 287 th = (uint16_t)(-tzo_min);
WiredHome 0:61112ca9193b 288 treg = (th << 16) | (uint16_t)tzo_min;
WiredHome 0:61112ca9193b 289 LPC_RTC->GPREG0 = treg;
WiredHome 0:61112ca9193b 290 //printf("set_tzo(%d) %d is %08X\r\n", tzo, th, LPC_RTC->GPREG0);
WiredHome 0:61112ca9193b 291 }
WiredHome 0:61112ca9193b 292 }
WiredHome 0:61112ca9193b 293
WiredHome 0:61112ca9193b 294 int16_t TimeInterface::get_tzo_min(void)
WiredHome 0:61112ca9193b 295 {
WiredHome 0:61112ca9193b 296 uint16_t th, tl;
WiredHome 10:5734dbc2f5cc 297
WiredHome 0:61112ca9193b 298 th = LPC_RTC->GPREG0 >> 16;
WiredHome 0:61112ca9193b 299 tl = LPC_RTC->GPREG0;
WiredHome 0:61112ca9193b 300 //printf("get_tzo() is %04X %04X\r\n", th, tl);
WiredHome 0:61112ca9193b 301 if ((uint16_t)(th + tl) == 0) {
WiredHome 0:61112ca9193b 302 return tl;
WiredHome 0:61112ca9193b 303 } else {
WiredHome 0:61112ca9193b 304 return 0;
WiredHome 0:61112ca9193b 305 }
WiredHome 0:61112ca9193b 306 }
WiredHome 0:61112ca9193b 307
WiredHome 0:61112ca9193b 308 time_t TimeInterface::get_timelastset(void)
WiredHome 0:61112ca9193b 309 {
WiredHome 0:61112ca9193b 310 return LPC_RTC->GPREG1;
WiredHome 0:61112ca9193b 311 }
WiredHome 0:61112ca9193b 312
WiredHome 10:5734dbc2f5cc 313 int32_t TimeInterface::get_cal()
WiredHome 10:5734dbc2f5cc 314 {
WiredHome 0:61112ca9193b 315 int32_t calvalue = LPC_RTC->CALIBRATION & 0x3FFFF;
WiredHome 0:61112ca9193b 316
WiredHome 0:61112ca9193b 317 if (calvalue & 0x20000) {
WiredHome 0:61112ca9193b 318 calvalue = -(calvalue & 0x1FFFF);
WiredHome 10:5734dbc2f5cc 319 }
WiredHome 0:61112ca9193b 320 return calvalue;
WiredHome 0:61112ca9193b 321 }
WiredHome 0:61112ca9193b 322
WiredHome 10:5734dbc2f5cc 323 void TimeInterface::set_cal(int32_t calibration)
WiredHome 10:5734dbc2f5cc 324 {
WiredHome 0:61112ca9193b 325 if (calibration) {
WiredHome 0:61112ca9193b 326 if (calibration < 0) {
WiredHome 0:61112ca9193b 327 calibration = (-calibration & 0x1FFFF) | 0x20000;
WiredHome 0:61112ca9193b 328 }
WiredHome 0:61112ca9193b 329 LPC_RTC->CCR = 0x000001; //(LPC_RTC->CCR & 0x0003); // Clear CCALEN to enable it
WiredHome 0:61112ca9193b 330 } else {
WiredHome 0:61112ca9193b 331 LPC_RTC->CCR = 0x000011; //(LPC_RTC->CCR & 0x0003) | 0x0010; // Set CCALEN to disable it
WiredHome 0:61112ca9193b 332 }
WiredHome 0:61112ca9193b 333 LPC_RTC->CALIBRATION = calibration;
WiredHome 0:61112ca9193b 334 }
WiredHome 0:61112ca9193b 335
WiredHome 0:61112ca9193b 336 bool TimeInterface::adjust_sec(int32_t adjustSeconds)
WiredHome 0:61112ca9193b 337 {
WiredHome 0:61112ca9193b 338 time_t lastSet = get_timelastset();
WiredHome 10:5734dbc2f5cc 339
WiredHome 0:61112ca9193b 340 if (lastSet != 0) {
WiredHome 0:61112ca9193b 341 time_t seconds = time(NULL); // get "now" according to the rtc
WiredHome 0:61112ca9193b 342 int32_t delta = seconds - lastSet;
WiredHome 5:a5f50b5fb856 343 //int32_t curCal = get_cal(); // calibration might want to leverage the current cal factor.
WiredHome 0:61112ca9193b 344 int32_t calMAX = 131071;
WiredHome 0:61112ca9193b 345 int32_t secPerDay = 86400;
WiredHome 0:61112ca9193b 346 float errSecPerDay;
WiredHome 10:5734dbc2f5cc 347
WiredHome 0:61112ca9193b 348 // Convert the current calibration and the adjustment into
WiredHome 0:61112ca9193b 349 // the new calibration value
WiredHome 0:61112ca9193b 350 // assume it is +10sec and it has been 2days, then the adjustment
WiredHome 10:5734dbc2f5cc 351 // needs to be +5 sec per day, or one adjustment every 1/5th
WiredHome 0:61112ca9193b 352 // of a day, or 1 adjustment every 86400/5 counts.
WiredHome 0:61112ca9193b 353 // delta = now - then (number of elapsed seconds)
WiredHome 0:61112ca9193b 354 if (adjustSeconds != 0 && delta != 0) {
WiredHome 0:61112ca9193b 355 int32_t calFactor;
WiredHome 0:61112ca9193b 356
WiredHome 0:61112ca9193b 357 // Make the clock correct
WiredHome 0:61112ca9193b 358 seconds = seconds + adjustSeconds;
WiredHome 0:61112ca9193b 359 set_time(seconds);
WiredHome 0:61112ca9193b 360 // Compute the calibration factor
WiredHome 0:61112ca9193b 361 errSecPerDay = (float)adjustSeconds / ((float)(delta)/secPerDay);
WiredHome 0:61112ca9193b 362 calFactor = (int32_t)((float)secPerDay/errSecPerDay);
WiredHome 0:61112ca9193b 363 if (abs(calFactor) < calMAX)
WiredHome 0:61112ca9193b 364 set_cal(calFactor);
WiredHome 0:61112ca9193b 365 }
WiredHome 0:61112ca9193b 366 return true;
WiredHome 0:61112ca9193b 367 } else {
WiredHome 0:61112ca9193b 368 return false;
WiredHome 0:61112ca9193b 369 }
WiredHome 0:61112ca9193b 370 }
WiredHome 10:5734dbc2f5cc 371
WiredHome 10:5734dbc2f5cc 372
WiredHome 10:5734dbc2f5cc 373 // #############################################################################
WiredHome 10:5734dbc2f5cc 374 /*
WiredHome 10:5734dbc2f5cc 375 * Enhancement to use a custom tm_ex struct and the time zone by D. Smart
WiredHome 10:5734dbc2f5cc 376 * %Z
WiredHome 10:5734dbc2f5cc 377 *
WiredHome 10:5734dbc2f5cc 378 * Copyright (c) 1994 Powerdog Industries. All rights reserved.
WiredHome 10:5734dbc2f5cc 379 *
WiredHome 10:5734dbc2f5cc 380 * Redistribution and use in source and binary forms, without
WiredHome 10:5734dbc2f5cc 381 * modification, are permitted provided that the following conditions
WiredHome 10:5734dbc2f5cc 382 * are met:
WiredHome 10:5734dbc2f5cc 383 * 1. Redistributions of source code must retain the above copyright
WiredHome 10:5734dbc2f5cc 384 * notice, this list of conditions and the following disclaimer.
WiredHome 10:5734dbc2f5cc 385 * 2. Redistributions in binary form must reproduce the above copyright
WiredHome 10:5734dbc2f5cc 386 * notice, this list of conditions and the following disclaimer
WiredHome 10:5734dbc2f5cc 387 * in the documentation and/or other materials provided with the
WiredHome 10:5734dbc2f5cc 388 * distribution.
WiredHome 10:5734dbc2f5cc 389 * 3. All advertising materials mentioning features or use of this
WiredHome 10:5734dbc2f5cc 390 * software must display the following acknowledgement:
WiredHome 10:5734dbc2f5cc 391 * This product includes software developed by Powerdog Industries.
WiredHome 10:5734dbc2f5cc 392 * 4. The name of Powerdog Industries may not be used to endorse or
WiredHome 10:5734dbc2f5cc 393 * promote products derived from this software without specific prior
WiredHome 10:5734dbc2f5cc 394 * written permission.
WiredHome 10:5734dbc2f5cc 395 *
WiredHome 10:5734dbc2f5cc 396 * THIS SOFTWARE IS PROVIDED BY POWERDOG INDUSTRIES ``AS IS'' AND ANY
WiredHome 10:5734dbc2f5cc 397 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
WiredHome 10:5734dbc2f5cc 398 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
WiredHome 10:5734dbc2f5cc 399 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE POWERDOG INDUSTRIES BE
WiredHome 10:5734dbc2f5cc 400 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
WiredHome 10:5734dbc2f5cc 401 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
WiredHome 10:5734dbc2f5cc 402 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
WiredHome 10:5734dbc2f5cc 403 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WiredHome 10:5734dbc2f5cc 404 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
WiredHome 10:5734dbc2f5cc 405 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
WiredHome 10:5734dbc2f5cc 406 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
WiredHome 10:5734dbc2f5cc 407 */
WiredHome 10:5734dbc2f5cc 408
WiredHome 10:5734dbc2f5cc 409 #define asizeof(a) (sizeof (a) / sizeof ((a)[0]))
WiredHome 10:5734dbc2f5cc 410
WiredHome 10:5734dbc2f5cc 411 struct dtconv {
WiredHome 10:5734dbc2f5cc 412 char *abbrev_month_names[12];
WiredHome 10:5734dbc2f5cc 413 char *month_names[12];
WiredHome 10:5734dbc2f5cc 414 char *abbrev_weekday_names[7];
WiredHome 10:5734dbc2f5cc 415 char *weekday_names[7];
WiredHome 10:5734dbc2f5cc 416 char *time_format;
WiredHome 10:5734dbc2f5cc 417 char *sdate_format;
WiredHome 10:5734dbc2f5cc 418 char *dtime_format;
WiredHome 10:5734dbc2f5cc 419 char *am_string;
WiredHome 10:5734dbc2f5cc 420 char *pm_string;
WiredHome 10:5734dbc2f5cc 421 char *ldate_format;
WiredHome 11:1d880a50da8a 422 char *zone_names[10];
WiredHome 11:1d880a50da8a 423 int8_t zone_offsets[10];
WiredHome 10:5734dbc2f5cc 424 };
WiredHome 10:5734dbc2f5cc 425
WiredHome 10:5734dbc2f5cc 426 static struct dtconv En_US = {
WiredHome 10:5734dbc2f5cc 427 {
WiredHome 10:5734dbc2f5cc 428 "Jan", "Feb", "Mar", "Apr", "May", "Jun",
WiredHome 10:5734dbc2f5cc 429 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
WiredHome 10:5734dbc2f5cc 430 },
WiredHome 10:5734dbc2f5cc 431 {
WiredHome 10:5734dbc2f5cc 432 "January", "February", "March", "April",
WiredHome 10:5734dbc2f5cc 433 "May", "June", "July", "August",
WiredHome 10:5734dbc2f5cc 434 "September", "October", "November", "December"
WiredHome 10:5734dbc2f5cc 435 },
WiredHome 10:5734dbc2f5cc 436 { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" },
WiredHome 10:5734dbc2f5cc 437 {
WiredHome 10:5734dbc2f5cc 438 "Sunday", "Monday", "Tuesday", "Wednesday",
WiredHome 10:5734dbc2f5cc 439 "Thursday", "Friday", "Saturday"
WiredHome 10:5734dbc2f5cc 440 },
WiredHome 10:5734dbc2f5cc 441 "%H:%M:%S",
WiredHome 10:5734dbc2f5cc 442 "%m/%d/%y",
WiredHome 10:5734dbc2f5cc 443 "%a %b %e %T %Z %Y",
WiredHome 10:5734dbc2f5cc 444 "AM",
WiredHome 10:5734dbc2f5cc 445 "PM",
WiredHome 10:5734dbc2f5cc 446 "%A, %B, %e, %Y",
WiredHome 11:1d880a50da8a 447 { "UTC", "EST", "CST", "MST", "PST", "YST", "CAT", "HST", "CET", "EET", },
WiredHome 11:1d880a50da8a 448 { 0, -5, -6, -7, -8, -9, -10, -10, +1, +2, },
WiredHome 10:5734dbc2f5cc 449 };
WiredHome 10:5734dbc2f5cc 450
WiredHome 11:1d880a50da8a 451
WiredHome 10:5734dbc2f5cc 452 #ifndef isprint
WiredHome 10:5734dbc2f5cc 453 #define in_range(c, lo, up) ((u8_t)c >= lo && (u8_t)c <= up)
WiredHome 10:5734dbc2f5cc 454 #define isprint(c) in_range(c, 0x20, 0x7f)
WiredHome 10:5734dbc2f5cc 455 #define isdigit(c) in_range(c, '0', '9')
WiredHome 10:5734dbc2f5cc 456 #define isxdigit(c) (isdigit(c) || in_range(c, 'a', 'f') || in_range(c, 'A', 'F'))
WiredHome 10:5734dbc2f5cc 457 #define islower(c) in_range(c, 'a', 'z')
WiredHome 10:5734dbc2f5cc 458 #define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v')
WiredHome 10:5734dbc2f5cc 459 #endif
WiredHome 10:5734dbc2f5cc 460
WiredHome 10:5734dbc2f5cc 461
WiredHome 10:5734dbc2f5cc 462 const char * TimeInterface::strptime(const char *buf, char *fmt, struct tm_ex *tm)
WiredHome 10:5734dbc2f5cc 463 {
WiredHome 10:5734dbc2f5cc 464 char c, *ptr;
WiredHome 10:5734dbc2f5cc 465 int i, len;
WiredHome 10:5734dbc2f5cc 466
WiredHome 10:5734dbc2f5cc 467 ptr = fmt;
WiredHome 10:5734dbc2f5cc 468 while (*ptr != 0) {
WiredHome 10:5734dbc2f5cc 469 if (*buf == 0)
WiredHome 10:5734dbc2f5cc 470 break;
WiredHome 10:5734dbc2f5cc 471
WiredHome 10:5734dbc2f5cc 472 c = *ptr++;
WiredHome 10:5734dbc2f5cc 473
WiredHome 10:5734dbc2f5cc 474 if (c != '%') {
WiredHome 10:5734dbc2f5cc 475 if (isspace(c))
WiredHome 10:5734dbc2f5cc 476 while (*buf != 0 && isspace(*buf))
WiredHome 10:5734dbc2f5cc 477 buf++;
WiredHome 10:5734dbc2f5cc 478 else if (c != *buf++)
WiredHome 10:5734dbc2f5cc 479 return 0;
WiredHome 10:5734dbc2f5cc 480 continue;
WiredHome 10:5734dbc2f5cc 481 }
WiredHome 10:5734dbc2f5cc 482
WiredHome 10:5734dbc2f5cc 483 c = *ptr++;
WiredHome 10:5734dbc2f5cc 484 switch (c) {
WiredHome 10:5734dbc2f5cc 485 case 0:
WiredHome 10:5734dbc2f5cc 486 case '%':
WiredHome 10:5734dbc2f5cc 487 if (*buf++ != '%')
WiredHome 10:5734dbc2f5cc 488 return 0;
WiredHome 10:5734dbc2f5cc 489 break;
WiredHome 10:5734dbc2f5cc 490
WiredHome 10:5734dbc2f5cc 491 case 'C':
WiredHome 10:5734dbc2f5cc 492 buf = strptime(buf, En_US.ldate_format, tm);
WiredHome 10:5734dbc2f5cc 493 if (buf == 0)
WiredHome 10:5734dbc2f5cc 494 return 0;
WiredHome 10:5734dbc2f5cc 495 break;
WiredHome 10:5734dbc2f5cc 496
WiredHome 10:5734dbc2f5cc 497 case 'c':
WiredHome 10:5734dbc2f5cc 498 buf = strptime(buf, "%x %X", tm);
WiredHome 10:5734dbc2f5cc 499 if (buf == 0)
WiredHome 10:5734dbc2f5cc 500 return 0;
WiredHome 10:5734dbc2f5cc 501 break;
WiredHome 10:5734dbc2f5cc 502
WiredHome 10:5734dbc2f5cc 503 case 'D':
WiredHome 10:5734dbc2f5cc 504 buf = strptime(buf, "%m/%d/%y", tm);
WiredHome 10:5734dbc2f5cc 505 if (buf == 0)
WiredHome 10:5734dbc2f5cc 506 return 0;
WiredHome 10:5734dbc2f5cc 507 break;
WiredHome 10:5734dbc2f5cc 508
WiredHome 10:5734dbc2f5cc 509 case 'R':
WiredHome 10:5734dbc2f5cc 510 buf = strptime(buf, "%H:%M", tm);
WiredHome 10:5734dbc2f5cc 511 if (buf == 0)
WiredHome 10:5734dbc2f5cc 512 return 0;
WiredHome 10:5734dbc2f5cc 513 break;
WiredHome 10:5734dbc2f5cc 514
WiredHome 10:5734dbc2f5cc 515 case 'r':
WiredHome 10:5734dbc2f5cc 516 buf = strptime(buf, "%I:%M:%S %p", tm);
WiredHome 10:5734dbc2f5cc 517 if (buf == 0)
WiredHome 10:5734dbc2f5cc 518 return 0;
WiredHome 10:5734dbc2f5cc 519 break;
WiredHome 10:5734dbc2f5cc 520
WiredHome 10:5734dbc2f5cc 521 case 'T':
WiredHome 10:5734dbc2f5cc 522 buf = strptime(buf, "%H:%M:%S", tm);
WiredHome 10:5734dbc2f5cc 523 if (buf == 0)
WiredHome 10:5734dbc2f5cc 524 return 0;
WiredHome 10:5734dbc2f5cc 525 break;
WiredHome 10:5734dbc2f5cc 526
WiredHome 10:5734dbc2f5cc 527 case 'X':
WiredHome 10:5734dbc2f5cc 528 buf = strptime(buf, En_US.time_format, tm);
WiredHome 10:5734dbc2f5cc 529 if (buf == 0)
WiredHome 10:5734dbc2f5cc 530 return 0;
WiredHome 10:5734dbc2f5cc 531 break;
WiredHome 10:5734dbc2f5cc 532
WiredHome 10:5734dbc2f5cc 533 case 'x':
WiredHome 10:5734dbc2f5cc 534 buf = strptime(buf, En_US.sdate_format, tm);
WiredHome 10:5734dbc2f5cc 535 if (buf == 0)
WiredHome 10:5734dbc2f5cc 536 return 0;
WiredHome 10:5734dbc2f5cc 537 break;
WiredHome 10:5734dbc2f5cc 538
WiredHome 10:5734dbc2f5cc 539 case 'j':
WiredHome 10:5734dbc2f5cc 540 if (!isdigit(*buf))
WiredHome 10:5734dbc2f5cc 541 return 0;
WiredHome 10:5734dbc2f5cc 542
WiredHome 10:5734dbc2f5cc 543 for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
WiredHome 10:5734dbc2f5cc 544 i *= 10;
WiredHome 10:5734dbc2f5cc 545 i += *buf - '0';
WiredHome 10:5734dbc2f5cc 546 }
WiredHome 10:5734dbc2f5cc 547 if (i > 365)
WiredHome 10:5734dbc2f5cc 548 return 0;
WiredHome 10:5734dbc2f5cc 549
WiredHome 10:5734dbc2f5cc 550 tm->tm_yday = i;
WiredHome 10:5734dbc2f5cc 551 break;
WiredHome 10:5734dbc2f5cc 552
WiredHome 10:5734dbc2f5cc 553 case 'M':
WiredHome 10:5734dbc2f5cc 554 case 'S':
WiredHome 10:5734dbc2f5cc 555 if (*buf == 0 || isspace(*buf))
WiredHome 10:5734dbc2f5cc 556 break;
WiredHome 10:5734dbc2f5cc 557
WiredHome 10:5734dbc2f5cc 558 if (!isdigit(*buf))
WiredHome 10:5734dbc2f5cc 559 return 0;
WiredHome 10:5734dbc2f5cc 560
WiredHome 10:5734dbc2f5cc 561 for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
WiredHome 10:5734dbc2f5cc 562 i *= 10;
WiredHome 10:5734dbc2f5cc 563 i += *buf - '0';
WiredHome 10:5734dbc2f5cc 564 }
WiredHome 10:5734dbc2f5cc 565 if (i > 59)
WiredHome 10:5734dbc2f5cc 566 return 0;
WiredHome 10:5734dbc2f5cc 567
WiredHome 10:5734dbc2f5cc 568 if (c == 'M')
WiredHome 10:5734dbc2f5cc 569 tm->tm_min = i;
WiredHome 10:5734dbc2f5cc 570 else
WiredHome 10:5734dbc2f5cc 571 tm->tm_sec = i;
WiredHome 10:5734dbc2f5cc 572
WiredHome 10:5734dbc2f5cc 573 if (*buf != 0 && isspace(*buf))
WiredHome 10:5734dbc2f5cc 574 while (*ptr != 0 && !isspace(*ptr))
WiredHome 10:5734dbc2f5cc 575 ptr++;
WiredHome 10:5734dbc2f5cc 576 break;
WiredHome 10:5734dbc2f5cc 577
WiredHome 10:5734dbc2f5cc 578 case 'H':
WiredHome 10:5734dbc2f5cc 579 case 'I':
WiredHome 10:5734dbc2f5cc 580 case 'k':
WiredHome 10:5734dbc2f5cc 581 case 'l':
WiredHome 10:5734dbc2f5cc 582 if (!isdigit(*buf))
WiredHome 10:5734dbc2f5cc 583 return 0;
WiredHome 10:5734dbc2f5cc 584
WiredHome 10:5734dbc2f5cc 585 for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
WiredHome 10:5734dbc2f5cc 586 i *= 10;
WiredHome 10:5734dbc2f5cc 587 i += *buf - '0';
WiredHome 10:5734dbc2f5cc 588 }
WiredHome 10:5734dbc2f5cc 589 if (c == 'H' || c == 'k') {
WiredHome 10:5734dbc2f5cc 590 if (i > 23)
WiredHome 10:5734dbc2f5cc 591 return 0;
WiredHome 10:5734dbc2f5cc 592 } else if (i > 11)
WiredHome 10:5734dbc2f5cc 593 return 0;
WiredHome 10:5734dbc2f5cc 594
WiredHome 10:5734dbc2f5cc 595 tm->tm_hour = i;
WiredHome 10:5734dbc2f5cc 596
WiredHome 10:5734dbc2f5cc 597 if (*buf != 0 && isspace(*buf))
WiredHome 10:5734dbc2f5cc 598 while (*ptr != 0 && !isspace(*ptr))
WiredHome 10:5734dbc2f5cc 599 ptr++;
WiredHome 10:5734dbc2f5cc 600 break;
WiredHome 10:5734dbc2f5cc 601
WiredHome 10:5734dbc2f5cc 602 case 'p':
WiredHome 10:5734dbc2f5cc 603 len = strlen(En_US.am_string);
WiredHome 10:5734dbc2f5cc 604 if (strncasecmp(buf, En_US.am_string, len) == 0) {
WiredHome 10:5734dbc2f5cc 605 if (tm->tm_hour > 12)
WiredHome 10:5734dbc2f5cc 606 return 0;
WiredHome 10:5734dbc2f5cc 607 if (tm->tm_hour == 12)
WiredHome 10:5734dbc2f5cc 608 tm->tm_hour = 0;
WiredHome 10:5734dbc2f5cc 609 buf += len;
WiredHome 10:5734dbc2f5cc 610 break;
WiredHome 10:5734dbc2f5cc 611 }
WiredHome 10:5734dbc2f5cc 612
WiredHome 10:5734dbc2f5cc 613 len = strlen(En_US.pm_string);
WiredHome 10:5734dbc2f5cc 614 if (strncasecmp(buf, En_US.pm_string, len) == 0) {
WiredHome 10:5734dbc2f5cc 615 if (tm->tm_hour > 12)
WiredHome 10:5734dbc2f5cc 616 return 0;
WiredHome 10:5734dbc2f5cc 617 if (tm->tm_hour != 12)
WiredHome 10:5734dbc2f5cc 618 tm->tm_hour += 12;
WiredHome 10:5734dbc2f5cc 619 buf += len;
WiredHome 10:5734dbc2f5cc 620 break;
WiredHome 10:5734dbc2f5cc 621 }
WiredHome 10:5734dbc2f5cc 622
WiredHome 10:5734dbc2f5cc 623 return 0;
WiredHome 10:5734dbc2f5cc 624
WiredHome 10:5734dbc2f5cc 625 case 'A':
WiredHome 10:5734dbc2f5cc 626 case 'a':
WiredHome 10:5734dbc2f5cc 627 for (i = 0; i < asizeof(En_US.weekday_names); i++) {
WiredHome 10:5734dbc2f5cc 628 len = strlen(En_US.weekday_names[i]);
WiredHome 10:5734dbc2f5cc 629 if (strncasecmp(buf,
WiredHome 10:5734dbc2f5cc 630 En_US.weekday_names[i],
WiredHome 10:5734dbc2f5cc 631 len) == 0)
WiredHome 10:5734dbc2f5cc 632 break;
WiredHome 10:5734dbc2f5cc 633
WiredHome 10:5734dbc2f5cc 634 len = strlen(En_US.abbrev_weekday_names[i]);
WiredHome 10:5734dbc2f5cc 635 if (strncasecmp(buf,
WiredHome 10:5734dbc2f5cc 636 En_US.abbrev_weekday_names[i],
WiredHome 10:5734dbc2f5cc 637 len) == 0)
WiredHome 10:5734dbc2f5cc 638 break;
WiredHome 10:5734dbc2f5cc 639 }
WiredHome 10:5734dbc2f5cc 640 if (i == asizeof(En_US.weekday_names))
WiredHome 10:5734dbc2f5cc 641 return 0;
WiredHome 10:5734dbc2f5cc 642
WiredHome 10:5734dbc2f5cc 643 tm->tm_wday = i;
WiredHome 10:5734dbc2f5cc 644 buf += len;
WiredHome 10:5734dbc2f5cc 645 break;
WiredHome 10:5734dbc2f5cc 646
WiredHome 10:5734dbc2f5cc 647 case 'd':
WiredHome 10:5734dbc2f5cc 648 case 'e':
WiredHome 10:5734dbc2f5cc 649 if (!isdigit(*buf))
WiredHome 10:5734dbc2f5cc 650 return 0;
WiredHome 10:5734dbc2f5cc 651
WiredHome 10:5734dbc2f5cc 652 for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
WiredHome 10:5734dbc2f5cc 653 i *= 10;
WiredHome 10:5734dbc2f5cc 654 i += *buf - '0';
WiredHome 10:5734dbc2f5cc 655 }
WiredHome 10:5734dbc2f5cc 656 if (i > 31)
WiredHome 10:5734dbc2f5cc 657 return 0;
WiredHome 10:5734dbc2f5cc 658
WiredHome 10:5734dbc2f5cc 659 tm->tm_mday = i;
WiredHome 10:5734dbc2f5cc 660
WiredHome 10:5734dbc2f5cc 661 if (*buf != 0 && isspace(*buf))
WiredHome 10:5734dbc2f5cc 662 while (*ptr != 0 && !isspace(*ptr))
WiredHome 10:5734dbc2f5cc 663 ptr++;
WiredHome 10:5734dbc2f5cc 664 break;
WiredHome 10:5734dbc2f5cc 665
WiredHome 10:5734dbc2f5cc 666 case 'B':
WiredHome 10:5734dbc2f5cc 667 case 'b':
WiredHome 10:5734dbc2f5cc 668 case 'h':
WiredHome 10:5734dbc2f5cc 669 for (i = 0; i < asizeof(En_US.month_names); i++) {
WiredHome 10:5734dbc2f5cc 670 len = strlen(En_US.month_names[i]);
WiredHome 10:5734dbc2f5cc 671 if (strncasecmp(buf,
WiredHome 10:5734dbc2f5cc 672 En_US.month_names[i],
WiredHome 10:5734dbc2f5cc 673 len) == 0)
WiredHome 10:5734dbc2f5cc 674 break;
WiredHome 10:5734dbc2f5cc 675
WiredHome 10:5734dbc2f5cc 676 len = strlen(En_US.abbrev_month_names[i]);
WiredHome 10:5734dbc2f5cc 677 if (strncasecmp(buf,
WiredHome 10:5734dbc2f5cc 678 En_US.abbrev_month_names[i],
WiredHome 10:5734dbc2f5cc 679 len) == 0)
WiredHome 10:5734dbc2f5cc 680 break;
WiredHome 10:5734dbc2f5cc 681 }
WiredHome 10:5734dbc2f5cc 682 if (i == asizeof(En_US.month_names))
WiredHome 10:5734dbc2f5cc 683 return 0;
WiredHome 10:5734dbc2f5cc 684
WiredHome 10:5734dbc2f5cc 685 tm->tm_mon = i;
WiredHome 10:5734dbc2f5cc 686 buf += len;
WiredHome 10:5734dbc2f5cc 687 break;
WiredHome 10:5734dbc2f5cc 688
WiredHome 10:5734dbc2f5cc 689 case 'm':
WiredHome 10:5734dbc2f5cc 690 if (!isdigit(*buf))
WiredHome 10:5734dbc2f5cc 691 return 0;
WiredHome 10:5734dbc2f5cc 692
WiredHome 10:5734dbc2f5cc 693 for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
WiredHome 10:5734dbc2f5cc 694 i *= 10;
WiredHome 10:5734dbc2f5cc 695 i += *buf - '0';
WiredHome 10:5734dbc2f5cc 696 }
WiredHome 10:5734dbc2f5cc 697 if (i < 1 || i > 12)
WiredHome 10:5734dbc2f5cc 698 return 0;
WiredHome 10:5734dbc2f5cc 699
WiredHome 10:5734dbc2f5cc 700 tm->tm_mon = i - 1;
WiredHome 10:5734dbc2f5cc 701
WiredHome 10:5734dbc2f5cc 702 if (*buf != 0 && isspace(*buf))
WiredHome 10:5734dbc2f5cc 703 while (*ptr != 0 && !isspace(*ptr))
WiredHome 10:5734dbc2f5cc 704 ptr++;
WiredHome 10:5734dbc2f5cc 705 break;
WiredHome 10:5734dbc2f5cc 706
WiredHome 10:5734dbc2f5cc 707 case 'Y':
WiredHome 10:5734dbc2f5cc 708 case 'y':
WiredHome 10:5734dbc2f5cc 709 if (*buf == 0 || isspace(*buf))
WiredHome 10:5734dbc2f5cc 710 break;
WiredHome 10:5734dbc2f5cc 711
WiredHome 10:5734dbc2f5cc 712 if (!isdigit(*buf))
WiredHome 10:5734dbc2f5cc 713 return 0;
WiredHome 10:5734dbc2f5cc 714
WiredHome 10:5734dbc2f5cc 715 for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
WiredHome 10:5734dbc2f5cc 716 i *= 10;
WiredHome 10:5734dbc2f5cc 717 i += *buf - '0';
WiredHome 10:5734dbc2f5cc 718 }
WiredHome 10:5734dbc2f5cc 719 if (c == 'Y')
WiredHome 10:5734dbc2f5cc 720 i -= 1900;
WiredHome 10:5734dbc2f5cc 721 if (i < 0)
WiredHome 10:5734dbc2f5cc 722 return 0;
WiredHome 10:5734dbc2f5cc 723
WiredHome 10:5734dbc2f5cc 724 tm->tm_year = i;
WiredHome 10:5734dbc2f5cc 725
WiredHome 10:5734dbc2f5cc 726 if (*buf != 0 && isspace(*buf))
WiredHome 10:5734dbc2f5cc 727 while (*ptr != 0 && !isspace(*ptr))
WiredHome 10:5734dbc2f5cc 728 ptr++;
WiredHome 10:5734dbc2f5cc 729 break;
WiredHome 10:5734dbc2f5cc 730 case 'Z':
WiredHome 10:5734dbc2f5cc 731 for (i = 0; i < asizeof(En_US.zone_names); i++) {
WiredHome 10:5734dbc2f5cc 732 len = strlen(En_US.zone_names[i]);
WiredHome 10:5734dbc2f5cc 733 if (strncasecmp(buf,
WiredHome 10:5734dbc2f5cc 734 En_US.zone_names[i],
WiredHome 10:5734dbc2f5cc 735 len) == 0)
WiredHome 10:5734dbc2f5cc 736 break;
WiredHome 10:5734dbc2f5cc 737 }
WiredHome 10:5734dbc2f5cc 738 if (i == asizeof(En_US.zone_names))
WiredHome 10:5734dbc2f5cc 739 return 0;
WiredHome 10:5734dbc2f5cc 740 tm->tm_tzo_min = En_US.zone_offsets[i] * 60;
WiredHome 10:5734dbc2f5cc 741 buf += len;
WiredHome 10:5734dbc2f5cc 742 break;
WiredHome 10:5734dbc2f5cc 743 }
WiredHome 10:5734dbc2f5cc 744 }
WiredHome 17:45dae5a72679 745 if (mktime(tm) == (time_t)-1)
WiredHome 17:45dae5a72679 746 tm->tm_wday = 7;
WiredHome 10:5734dbc2f5cc 747 return buf;
WiredHome 10:5734dbc2f5cc 748 }