157 lines
4.3 KiB
C
157 lines
4.3 KiB
C
/* $NetBSD: clk_rcc8000.c,v 1.3 1998/04/01 15:01:20 christos Exp $ */
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/*
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* /src/NTP/REPOSITORY/v4/libparse/clk_rcc8000.c,v 3.5 1997/01/19 12:44:40 kardel Exp
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*
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* clk_rcc8000.c,v 3.5 1997/01/19 12:44:40 kardel Exp
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*
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* Radiocode Clocks Ltd RCC 8000 Intelligent Off-Air Master Clock support
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*
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* Created by R.E.Broughton from clk_trimtaip.c
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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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#if 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_RCC8000)
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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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/* Type II Serial Output format
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*
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* 0000000000111111111122222222223 / char
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* 0123456789012345678901234567890 \ posn
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* HH:MM:SS.XYZ DD/MM/YY DDD W Prn Actual
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* 33 44 55 666 00 11 22 7 Parse
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* : : . / / rn Check
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* "15:50:36.534 30/09/94 273 5 A\x0d\x0a"
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*
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* DDD - Day of year number
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* W - Day of week number (Sunday is 0)
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* P is the Status. See comment below for details.
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*/
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#define O_USEC O_WDAY
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static struct format rcc8000_fmt =
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{ { { 13, 2 }, {16, 2}, { 19, 2}, /* Day, Month, Year */
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{ 0, 2 }, { 3, 2}, { 6, 2}, /* Hour, Minute, Second */
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{ 9, 3 }, {28, 1}, { 0, 0}, /* uSec, Status (Valid,Reject,BST,Leapyear) */ },
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" : : . / / \r\n",
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/*"15:50:36.534 30/09/94 273 5 A\x0d\x0a" */
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0
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};
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static u_long cvt_rcc8000 P((char *, unsigned int, void *, clocktime_t *, void *));
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clockformat_t clock_rcc8000 =
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{
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NULL, /* no input handling */
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cvt_rcc8000, /* 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 *)&rcc8000_fmt, /* conversion configuration */
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"Radiocode RCC8000",
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31, /* string buffer */
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F_END|SYNC_START, /* END delimiter, START synchronisation */
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0, /* no private data */
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{ 0, 0},
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'0',
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'\n',
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'0'
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};
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static unsigned long
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cvt_rcc8000(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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if (!Strok(buffer, format->fixed_string)) return CVT_NONE;
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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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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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STOI(O_USEC, &clock->usecond)
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) return CVT_FAIL|CVT_BADFMT;
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clock->usecond *= 1000;
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clock->utcoffset = 0;
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#define RCCP buffer[28]
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/*
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* buffer[28] is the ASCII representation of a hex character ( 0 through F )
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* The four bits correspond to:
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* 8 - Valid Time
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* 4 - Reject Code
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* 2 - British Summer Time (receiver set to emit GMT all year.)
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* 1 - Leap year
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*/
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#define RCC8000_VALID 0x8
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#define RCC8000_REJECT 0x4
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#define RCC8000_BST 0x2
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#define RCC8000_LEAPY 0x1
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clock->flags = 0;
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if ( (RCCP >= '0' && RCCP <= '9') || (RCCP >= 'A' && RCCP <= 'F') )
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{
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register int flag;
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flag = (RCCP >= '0' && RCCP <= '9' ) ? RCCP - '0' : RCCP - 'A' + 10;
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if (!(flag & RCC8000_VALID))
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clock->flags |= PARSEB_POWERUP;
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clock->flags |= PARSEB_UTC; /* British special - guess why 8-) */
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/* other flags not used */
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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_RCC8000) */
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int clk_rcc8000_bs;
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#endif /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_RCC8000) */
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/*
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* History:
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*
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* clk_rcc8000.c,v
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* Revision 3.5 1997/01/19 12:44:40 kardel
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* 3-5.88.1 reconcilation
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*
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* Revision 3.4 1996/11/24 20:09:45 kardel
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* RELEASE_5_86_12_2 reconcilation
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*
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* Revision 3.3 1995/02/16 22:37:08 kardel
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* LONG -> long - somehow missed this bugger
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*
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* Revision 3.2 1994/10/16 18:55:52 kardel
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* integrate RCC8000 modifications from R. E. Broughton
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*
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* Revision 3.1 1994/10/03 21:59:24 kardel
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* 3.4e cleanup/integration
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*
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*/
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