217 lines
6.0 KiB
C
217 lines
6.0 KiB
C
/* $NetBSD: clk_dcf7000.c,v 1.4 2006/06/11 19:34:10 kardel Exp $ */
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/*
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* /src/NTP/ntp4-dev/libparse/clk_dcf7000.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A
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*
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* clk_dcf7000.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A
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*
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* ELV DCF7000 module
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*
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* Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
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* Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universität Erlangen-Nürnberg, Germany
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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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(CLOCK_PARSE) && defined(CLOCK_DCF7000)
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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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#ifndef PARSESTREAM
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#include "ntp_stdlib.h"
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#include <stdio.h>
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#else
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#include "sys/parsestreams.h"
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extern void printf P((const char *, ...));
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#endif
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static struct format dcf7000_fmt =
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{ /* ELV DCF7000 */
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{
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{ 6, 2}, { 3, 2}, { 0, 2},
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{ 12, 2}, { 15, 2}, { 18, 2},
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{ 9, 2}, { 21, 2},
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},
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(const unsigned char *)" - - - - - - - \r",
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0
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};
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static u_long cvt_dcf7000 P((unsigned char *, int, struct format *, clocktime_t *, void *));
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static unsigned long inp_dcf7000 P((parse_t *, unsigned int, timestamp_t *));
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clockformat_t clock_dcf7000 =
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{
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inp_dcf7000, /* DCF7000 input handling */
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cvt_dcf7000, /* ELV DCF77 conversion */
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0, /* no direct PPS monitoring */
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(void *)&dcf7000_fmt, /* conversion configuration */
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"ELV DCF7000", /* ELV clock */
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24, /* string buffer */
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0 /* no private data (complete pakets) */
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};
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/*
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* cvt_dcf7000
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*
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* convert dcf7000 type format
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*/
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static u_long
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cvt_dcf7000(
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unsigned char *buffer,
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int size,
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struct format *format,
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clocktime_t *clock_time,
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void *local
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)
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{
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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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else
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{
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if (Stoi(&buffer[format->field_offsets[O_DAY].offset], &clock_time->day,
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format->field_offsets[O_DAY].length) ||
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Stoi(&buffer[format->field_offsets[O_MONTH].offset], &clock_time->month,
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format->field_offsets[O_MONTH].length) ||
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Stoi(&buffer[format->field_offsets[O_YEAR].offset], &clock_time->year,
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format->field_offsets[O_YEAR].length) ||
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Stoi(&buffer[format->field_offsets[O_HOUR].offset], &clock_time->hour,
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format->field_offsets[O_HOUR].length) ||
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Stoi(&buffer[format->field_offsets[O_MIN].offset], &clock_time->minute,
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format->field_offsets[O_MIN].length) ||
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Stoi(&buffer[format->field_offsets[O_SEC].offset], &clock_time->second,
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format->field_offsets[O_SEC].length))
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{
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return CVT_FAIL|CVT_BADFMT;
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}
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else
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{
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unsigned char *f = &buffer[format->field_offsets[O_FLAGS].offset];
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long flags;
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clock_time->flags = 0;
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clock_time->usecond = 0;
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if (Stoi(f, &flags, format->field_offsets[O_FLAGS].length))
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{
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return CVT_FAIL|CVT_BADFMT;
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}
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else
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{
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if (flags & 0x1)
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clock_time->utcoffset = -2*60*60;
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else
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clock_time->utcoffset = -1*60*60;
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if (flags & 0x2)
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clock_time->flags |= PARSEB_ANNOUNCE;
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if (flags & 0x4)
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clock_time->flags |= PARSEB_NOSYNC;
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}
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return CVT_OK;
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}
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}
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}
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/*
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* inp_dcf700
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*
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* grep data from input stream
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*/
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static u_long
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inp_dcf7000(
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parse_t *parseio,
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unsigned int ch,
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timestamp_t *tstamp
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)
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{
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unsigned int rtc;
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parseprintf(DD_PARSE, ("inp_dcf7000(0x%lx, 0x%x, ...)\n", (long)parseio, ch));
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switch (ch)
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{
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case '\r':
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parseprintf(DD_PARSE, ("inp_dcf7000: EOL seen\n"));
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parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */
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if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP)
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return parse_end(parseio);
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else
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return rtc;
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default:
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return parse_addchar(parseio, ch);
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}
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}
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#else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_DCF7000) */
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int clk_dcf7000_bs;
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#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_DCF7000) */
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/*
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* History:
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*
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* clk_dcf7000.c,v
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* Revision 4.10 2005/04/16 17:32:10 kardel
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* update copyright
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*
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* Revision 4.9 2004/11/14 15:29:41 kardel
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* support PPSAPI, upgrade Copyright to Berkeley style
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*
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* Revision 4.6 1999/11/28 09:13:49 kardel
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* RECON_4_0_98F
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*
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* Revision 4.5 1998/06/14 21:09:34 kardel
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* Sun acc cleanup
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*
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* Revision 4.4 1998/06/13 12:01:59 kardel
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* fix SYSV clock name clash
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*
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* Revision 4.3 1998/06/12 15:22:27 kardel
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* fix prototypes
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*
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* Revision 4.2 1998/06/12 09:13:24 kardel
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* conditional compile macros fixed
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* printf prototype
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*
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* Revision 4.1 1998/05/24 09:39:51 kardel
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* implementation of the new IO handling model
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*
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* Revision 4.0 1998/04/10 19:45:28 kardel
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* Start 4.0 release version numbering
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*
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* from V3 3.18 log info deleted 1998/04/11 kardel
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*/
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