247 lines
6.6 KiB
C
247 lines
6.6 KiB
C
/* $NetBSD: clk_hopf6021.c,v 1.5 1998/04/01 15:01:20 christos Exp $ */
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/*
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*
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* /src/NTP/REPOSITORY/v4/libparse/clk_hopf6021.c,v 3.6 1997/04/06 17:36:57 kardel Exp
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*
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* clk_hopf6021.c,v 3.6 1997/04/06 17:36:57 kardel Exp
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*
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* Radiocode Clocks HOPF Funkuhr 6021 mit serieller Schnittstelle
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* base code version from 24th Nov 1995 - history at end
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*
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* Created by F.Schnekenbuehl <frank@comsys.dofn.de> from clk_rcc8000.c
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* Nortel DASA Network Systems GmbH, Department: ND250
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* A Joint venture of Daimler-Benz Aerospace and Nortel
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#if defined(REFCLOCK) && (defined(PARSE) || defined(PARSEPPS)) && defined(CLOCK_HOPF6021)
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/errno.h>
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#include "ntp_fp.h"
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#include "ntp_unixtime.h"
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#include "ntp_calendar.h"
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#include "parse.h"
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/*
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* hopf Funkuhr 6021
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* used with 9600,8N1,
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* UTC ueber serielle Schnittstelle
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* Sekundenvorlauf ON
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* ETX zum Sekundenvorlauf ON
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* Datenstring 6021
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* Ausgabe Uhrzeit und Datum
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* Senden mit Steuerzeichen
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* Senden sekuendlich
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*/
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/*
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* Type 6021 Serial Output format
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*
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* 000000000011111111 / char
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* 012345678901234567 \ position
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* sABHHMMSSDDMMYYnre Actual
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* C4110046231195 Parse
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* s enr Check
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*
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* s = STX (0x02), e = ETX (0x03)
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* n = NL (0x0A), r = CR (0x0D)
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*
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* A B - Status and weekday
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*
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* A - Status
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*
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* 8 4 2 1
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* x x x 0 - no announcement
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* x x x 1 - Summertime - wintertime - summertime announcement
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* x x 0 x - Wintertime
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* x x 1 x - Summertime
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* 0 0 x x - Time/Date invalid
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* 0 1 x x - Internal clock used
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* 1 0 x x - Radio clock
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* 1 1 x x - Radio clock highprecision
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*
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* B - 8 4 2 1
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* 0 x x x - MESZ/MEZ
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* 1 x x x - UTC
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* x 0 0 1 - Monday
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* x 0 1 0 - Tuesday
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* x 0 1 1 - Wednesday
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* x 1 0 0 - Thursday
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* x 1 0 1 - Friday
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* x 1 1 0 - Saturday
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* x 1 1 1 - Sunday
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*/
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#define HOPF_DSTWARN 0x01 /* DST switch warning */
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#define HOPF_DST 0x02 /* DST in effect */
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#define HOPF_MODE 0x0C /* operation mode mask */
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#define HOPF_INVALID 0x00 /* no time code available */
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#define HOPF_INTERNAL 0x04 /* internal clock */
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#define HOPF_RADIO 0x08 /* radio clock */
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#define HOPF_RADIOHP 0x0C /* high precision radio clock */
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#define HOPF_UTC 0x08 /* time code in UTC */
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#define HOPF_WMASK 0x07 /* mask for weekday code */
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static struct format hopf6021_fmt =
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{
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{
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{ 9, 2 }, {11, 2}, { 13, 2}, /* Day, Month, Year */
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{ 3, 2 }, { 5, 2}, { 7, 2}, /* Hour, Minute, Second */
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{ 2, 1 }, { 1, 1}, { 0, 0}, /* Weekday, Flags, Zone */
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/* ... */
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},
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"\002 \n\r\003",
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0
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};
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#define OFFS(x) format->field_offsets[(x)].offset
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#define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length)
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#define hexval(x) (('0' <= (x) && (x) <= '9') ? (x) - '0' : \
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('a' <= (x) && (x) <= 'f') ? (x) - 'a' + 10 : \
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('A' <= (x) && (x) <= 'F') ? (x) - 'A' + 10 : \
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-1)
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static u_long cvt_hopf6021 P((char *, unsigned int, void *, clocktime_t *, void *));
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clockformat_t clock_hopf6021 =
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{
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NULL, /* no input handling */
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cvt_hopf6021, /* Radiocode clock conversion */
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syn_simple, /* easy time stamps for RS232 (fallback) */
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NULL, /* no direct PPS monitoring */
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NULL, /* no time code synthesizer monitoring */
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(void *)&hopf6021_fmt, /* conversion configuration */
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"hopf Funkuhr 6021", /* clock format name */
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19, /* string buffer */
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CVT_FIXEDONLY|F_END|SYNC_END, /* Fixed format, END delimiter & synchronisation */
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0, /* private data length, no private data */
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{ 0, 0}, /* buffer restart after timeout (us) */
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0, /* start symbol */
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'\003', /* end symbol */
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0 /* sync symbol */
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};
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static u_long
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cvt_hopf6021(buffer, size, vf, clock, vt)
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register char *buffer;
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register unsigned int size;
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register void *vf;
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register clocktime_t *clock;
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register void *vt;
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{
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register struct format *format = vf;
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int status,weekday;
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if (!Strok(buffer, format->fixed_string))
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{
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return CVT_NONE;
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}
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if ( STOI(O_DAY, &clock->day) ||
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STOI(O_MONTH, &clock->month) ||
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STOI(O_YEAR, &clock->year) ||
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STOI(O_HOUR, &clock->hour) ||
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STOI(O_MIN, &clock->minute) ||
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STOI(O_SEC, &clock->second)
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)
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{
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return CVT_FAIL|CVT_BADFMT;
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}
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clock->usecond = 0;
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clock->utcoffset = 0;
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status = hexval(buffer[OFFS(O_FLAGS)]);
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weekday= hexval(buffer[OFFS(O_WDAY)]);
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if ((status == -1) || (weekday == -1))
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{
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return CVT_FAIL|CVT_BADFMT;
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}
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clock->flags = 0;
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if (weekday & HOPF_UTC)
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{
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clock->flags |= PARSEB_UTC;
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}
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else
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{
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if (status & HOPF_DST)
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{
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clock->flags |= PARSEB_DST;
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clock->utcoffset = -2*60*60; /* MET DST */
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}
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else
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{
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clock->utcoffset = -1*60*60; /* MET */
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}
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}
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clock->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0;
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switch (status & HOPF_MODE)
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{
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case HOPF_INVALID: /* Time/Date invalid */
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clock->flags |= PARSEB_POWERUP;
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break;
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case HOPF_INTERNAL: /* internal clock */
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clock->flags |= PARSEB_NOSYNC;
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break;
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case HOPF_RADIO: /* Radio clock */
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case HOPF_RADIOHP: /* Radio clock high precision */
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break;
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default:
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return CVT_FAIL|CVT_BADFMT;
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break;
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}
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return CVT_OK;
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}
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#else /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_HOPF6021) */
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int clk_hopf6021_bs;
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#endif /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_HOPF6021) */
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/*
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* History:
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*
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* clk_hopf6021.c,v
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* Revision 3.6 1997/04/06 17:36:57 kardel
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* Make Hopf clock a fixed format to cope with Meinberg clocks
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*
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* Revision 3.5 1997/01/19 12:44:37 kardel
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* 3-5.88.1 reconcilation
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*
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* Revision 3.4 1996/11/24 20:09:43 kardel
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* RELEASE_5_86_12_2 reconcilation
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*
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* Revision 3.3 1995/12/17 18:17:21 kardel
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* log entries fixed
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*
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* Revision 3.2 1995/12/17 18:11:46 kardel
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* code cleanup and improved state handling
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*
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* Revision 3.1 1995/12/17 18:08:53 kardel
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* Hopf 6021 added - base code
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*
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*/
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