Lines Matching +full:timeout +full:- +full:minutes

2  * /src/NTP/REPOSITORY/ntp4-dev/libparse/clk_rawdcf.c,v 4.18 2006/06/22 18:40:01 kardel RELEASE_20060622_A
8 * Copyright (c) 1995-2015 by Frank Kardel <kardel <AT> ntp.org>
9 * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany
60 * From "Zur Zeit", Physikalisch-Technische Bundesanstalt (PTB), Braunschweig
73 * see the spec. (basically a (non-)inverted psuedo random phase shift)
77 * 0 - 10 AM: free, FM: 0
78 * 11 - 14 free
79 * 15 R - "call bit" used to signalize irregularities in the control facilities
81 * 16 A1 - expect zone change (1 hour before)
82 * 17 - 18 Z1,Z2 - time zone
87 * 19 A2 - expect leap insertion/deletion (1 hour before)
88 * 20 S - start of time code (1)
89 * 21 - 24 M1 - BCD (lsb first) Minutes
90 * 25 - 27 M10 - BCD (lsb first) 10 Minutes
91 * 28 P1 - Minute Parity (even)
92 * 29 - 32 H1 - BCD (lsb first) Hours
93 * 33 - 34 H10 - BCD (lsb first) 10 Hours
94 * 35 P2 - Hour Parity (even)
95 * 36 - 39 D1 - BCD (lsb first) Days
96 * 40 - 41 D10 - BCD (lsb first) 10 Days
97 * 42 - 44 DW - BCD (lsb first) day of week (1: Monday -> 7: Sunday)
98 * 45 - 49 MO - BCD (lsb first) Month
99 * 50 MO0 - 10 Months
100 * 51 - 53 Y1 - BCD (lsb first) Years
101 * 54 - 57 Y10 - BCD (lsb first) 10 Years
102 * 58 P3 - Date Parity (even)
103 * 59 - usually missing (minute indication), except for leap insertion
113 timestamp_t timeout; /* last timeout timestamp */
137 (const unsigned char *)"--------------------s-------p------p----------------------p__" /* 'ZERO' representation */
197 for (i = rawdcfcode[idx+1].offset - 1; i >= first; i--)
229 unsigned int y = (unsigned int)clock_time->year;
230 unsigned int m = (unsigned int)clock_time->month - 1u;
231 unsigned int d = (unsigned int)clock_time->day - 1u;
235 if ((y >= 100u) || (m >= 12u) || (d >= 31u) || (--wd >= 7u))
239 * congruence. All operands are non-negative, and the month
243 if ((m += 10u) >= 12u) /* shift base to 0000-03-01 */
244 m -= 12u;
245 else if (--y >= 100u)
247 d += y + (y >> 2) + 2u; /* year-related share */
248 d += (m * 83u + 16u) >> 5; /* month-related share */
253 * M <- ceil((3*8)/7 * 2**29)
254 * and combines multiplication by invmod(5, 7) -> 3 and modulus
261 c = (((252u + wd - d) * 0x6db6db6eU) >> 29) & 7u;
266 y -= 100u;
271 clock_time->year = (int)y + ((y < 370u) ? 2000 : 1600);
284 const unsigned char *b = dcfprm->onebits;
285 const unsigned char *c = dcfprm->zerobits;
293 msyslog(LOG_ERR, "parse: convert_rawdcf: INCOMPLETE DATA - time code only has %d bits", size);
306 msyslog(LOG_ERR, "parse: convert_rawdcf: BAD DATA - no conversion");
318 if ((ext_bf(buffer, DCF_S, dcfprm->zerobits) == 1) &&
319 pcheck(buffer, DCF_P_P1, dcfprm->zerobits) &&
320 pcheck(buffer, DCF_P_P2, dcfprm->zerobits) &&
321 pcheck(buffer, DCF_P_P3, dcfprm->zerobits))
328 clock_time->flags = PARSEB_S_CALLBIT|PARSEB_S_LEAP;
329 clock_time->utctime= 0;
330 clock_time->usecond= 0;
331 clock_time->second = 0;
332 clock_time->minute = ext_bf(buffer, DCF_M10, dcfprm->zerobits);
333 clock_time->minute = TIMES10(clock_time->minute) + ext_bf(buffer, DCF_M1, dcfprm->zerobits);
334 clock_time->hour = ext_bf(buffer, DCF_H10, dcfprm->zerobits);
335 clock_time->hour = TIMES10(clock_time->hour) + ext_bf(buffer, DCF_H1, dcfprm->zerobits);
336 clock_time->day = ext_bf(buffer, DCF_D10, dcfprm->zerobits);
337 clock_time->day = TIMES10(clock_time->day) + ext_bf(buffer, DCF_D1, dcfprm->zerobits);
338 clock_time->month = ext_bf(buffer, DCF_MO0, dcfprm->zerobits);
339 clock_time->month = TIMES10(clock_time->month) + ext_bf(buffer, DCF_MO, dcfprm->zerobits);
340 clock_time->year = ext_bf(buffer, DCF_Y10, dcfprm->zerobits);
341 clock_time->year = TIMES10(clock_time->year) + ext_bf(buffer, DCF_Y1, dcfprm->zerobits);
343 if (!zeller_expand(clock_time, ext_bf(buffer, DCF_DW, dcfprm->zerobits)))
346 switch (ext_bf(buffer, DCF_Z, dcfprm->zerobits))
349 clock_time->utcoffset = -1*60*60;
353 clock_time->flags |= PARSEB_DST;
354 clock_time->utcoffset = -2*60*60;
362 if (ext_bf(buffer, DCF_A1, dcfprm->zerobits))
363 clock_time->flags |= PARSEB_ANNOUNCE;
365 if (ext_bf(buffer, DCF_A2, dcfprm->zerobits))
366 clock_time->flags |= PARSEB_LEAPADD; /* default: DCF77 data format deficiency */
368 if (ext_bf(buffer, DCF_R, dcfprm->zerobits))
369 clock_time->flags |= PARSEB_CALLBIT;
372 (int)clock_time->hour, (int)clock_time->minute, (int)clock_time->day, (int)clock_time->month,(int) clock_time->year,
373 (u_long)clock_time->flags));
379 * bad format - not for us
390 * raw dcf input routine - needs to fix up 50 baud
432 * these lines are left as an excercise to the reader 8-)
449 parseprintf(DD_RAWDCF,("parse: cvt_rawdcf: character check for 0x%x@%d FAILED\n", *s, (int)(s - (unsigned char *)buffer)));
462 cutoff = 4; /* doesn't really matter - it'll fail anyway, but gives error output */
507 highmax = BITS-1;
557 if ((newtime - t->tcode) <= 600) /* require a successful telegram within last 10 minutes */
560 clock_time->utctime = newtime;
564 parseprintf(DD_RAWDCF,("parse: cvt_rawdcf: recent timestamp check FAIL - ignore timestamp\n"));
567 t->tcode = newtime;
578 * currently a very stupid version - should be extended to decode
589 if (!status) /* negative edge for simpler wiring (Rx->DCD) */
591 parseio->parse_dtime.parse_ptime = *ptime;
592 parseio->parse_dtime.parse_state |= PARSEB_PPS|PARSEB_S_PPS;
609 delta.tv_sec = ref->tv.tv_sec - offset - base->tv.tv_sec;
610 delta.tv_usec = ref->tv.tv_usec - base->tv.tv_usec;
613 delta.tv_sec -= 1;
619 delt = ref->fp;
620 delt.l_i -= offset;
621 L_SUB(&delt, &base->fp);
637 * - CVT_OK parse_status (we have a time stamp base)
638 * - ABS(ptime - tminute - (parse_index - 1) sec) < 500ms (spaced by 1 sec +- 500ms)
639 * - minute marker is available (confirms minute raster as base)
641 last_tcode_t *t = (last_tcode_t *)parseio->parse_pdata;
642 long delta_usec = -1;
644 if (t != NULL && t->tminute.tv.tv_sec != 0) {
645 delta_usec = calc_usecdiff(ptime, &t->tminute, parseio->parse_index - 1);
647 delta_usec = -delta_usec;
650 parseprintf(DD_RAWDCF,("parse: snt_rawdcf: synth for offset %d seconds - absolute usec error %ld\n",
651 parseio->parse_index - 1, delta_usec));
653 if (((parseio->parse_dtime.parse_status & CVT_MASK) == CVT_OK) &&
656 parseio->parse_dtime.parse_stime = *ptime;
659 parseio->parse_dtime.parse_time.tv.tv_sec++;
661 parseio->parse_dtime.parse_time.fp.l_ui++;
664 parseprintf(DD_RAWDCF,("parse: snt_rawdcf: time stamp synthesized offset %d seconds\n", parseio->parse_index - 1));
666 return updatetimeinfo(parseio, parseio->parse_lstate);
683 static struct timeval timeout = { 1, 500000 }; /* 1.5 secongs denote second #60 */
687 parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */
689 if (parse_timedout(parseio, tstamp, &timeout))
691 last_tcode_t *t = (last_tcode_t *)parseio->parse_pdata;
701 if (t->timeout.tv.tv_sec != 0)
703 delta_usec = calc_usecdiff(tstamp, &t->timeout, 60);
705 delta_usec = -delta_usec;
709 delta_usec = -1;
714 parseprintf(DD_RAWDCF, ("inp_rawdcf: timeout time difference %ld usec - minute marker set\n", delta_usec));
716 t->tminute = *tstamp;
720 parseprintf(DD_RAWDCF, ("inp_rawdcf: timeout time difference %ld usec - minute marker cleared\n", delta_usec));
721 memset((char *)&t->tminute, 0, sizeof(t->tminute));
723 t->timeout = *tstamp;
795 * triggering PPS on negative edge for simpler wiring (Rx->DCD)