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/*
* /src/NTP/REPOSITORY/v4/libparse/clk_rcc8000.c,v 3.5 1997/01/19 12:44:40 kardel Exp
*
* clk_rcc8000.c,v 3.5 1997/01/19 12:44:40 kardel Exp
*
* Radiocode Clocks Ltd RCC 8000 Intelligent Off-Air Master Clock support
*
* Created by R.E.Broughton from clk_trimtaip.c
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
*/
#if HAVE_CONFIG_H
#include <config.h>
#endif
#if defined(REFCLOCK) && (defined(PARSE) || defined(PARSEPPS)) && defined(CLOCK_RCC8000)
#include <sys/types.h>
#include <sys/time.h>
#include <sys/errno.h>
#include "ntp_fp.h"
#include "ntp_unixtime.h"
#include "ntp_calendar.h"
#include "parse.h"
/* Type II Serial Output format
*
* 0000000000111111111122222222223 / char
* 0123456789012345678901234567890 \ posn
* HH:MM:SS.XYZ DD/MM/YY DDD W Prn Actual
* 33 44 55 666 00 11 22 7 Parse
* : : . / / rn Check
* "15:50:36.534 30/09/94 273 5 A\x0d\x0a"
*
* DDD - Day of year number
* W - Day of week number (Sunday is 0)
* P is the Status. See comment below for details.
*/
#define O_USEC O_WDAY
static struct format rcc8000_fmt =
{ { { 13, 2 }, {16, 2}, { 19, 2}, /* Day, Month, Year */
{ 0, 2 }, { 3, 2}, { 6, 2}, /* Hour, Minute, Second */
{ 9, 3 }, {28, 1}, { 0, 0}, /* uSec, Status (Valid,Reject,BST,Leapyear) */ },
" : : . / / \r\n",
/*"15:50:36.534 30/09/94 273 5 A\x0d\x0a" */
0
};
static unsigned long cvt_rcc8000();
clockformat_t clock_rcc8000 =
{
(unsigned long (*)())0, /* no input handling */
cvt_rcc8000, /* Radiocode clock conversion */
syn_simple, /* easy time stamps for RS232 (fallback) */
(unsigned long (*)())0, /* no direct PPS monitoring */
(unsigned long (*)())0, /* no time code synthesizer monitoring */
(void *)&rcc8000_fmt, /* conversion configuration */
"Radiocode RCC8000",
31, /* string buffer */
F_END|SYNC_START, /* END delimiter, START synchronisation */
0, /* no private data */
{ 0, 0},
'0',
'\n',
'0'
};
static unsigned long
cvt_rcc8000(buffer, size, format, clock)
register char *buffer;
register int size;
register struct format *format;
register clocktime_t *clock;
{
if (!Strok(buffer, format->fixed_string)) return CVT_NONE;
#define OFFS(x) format->field_offsets[(x)].offset
#define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length)
if ( STOI(O_DAY, &clock->day) ||
STOI(O_MONTH, &clock->month) ||
STOI(O_YEAR, &clock->year) ||
STOI(O_HOUR, &clock->hour) ||
STOI(O_MIN, &clock->minute) ||
STOI(O_SEC, &clock->second) ||
STOI(O_USEC, &clock->usecond)
) return CVT_FAIL|CVT_BADFMT;
clock->usecond *= 1000;
clock->utcoffset = 0;
#define RCCP buffer[28]
/*
* buffer[28] is the ASCII representation of a hex character ( 0 through F )
* The four bits correspond to:
* 8 - Valid Time
* 4 - Reject Code
* 2 - British Summer Time (receiver set to emit GMT all year.)
* 1 - Leap year
*/
#define RCC8000_VALID 0x8
#define RCC8000_REJECT 0x4
#define RCC8000_BST 0x2
#define RCC8000_LEAPY 0x1
clock->flags = 0;
if ( (RCCP >= '0' && RCCP <= '9') || (RCCP >= 'A' && RCCP <= 'F') )
{
register int flag;
flag = (RCCP >= '0' && RCCP <= '9' ) ? RCCP - '0' : RCCP - 'A' + 10;
if (!(flag & RCC8000_VALID))
clock->flags |= PARSEB_POWERUP;
clock->flags |= PARSEB_UTC; /* British special - guess why 8-) */
/* other flags not used */
}
return CVT_OK;
}
#else /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_RCC8000) */
int clk_rcc8000_bs;
#endif /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_RCC8000) */
/*
* History:
*
* clk_rcc8000.c,v
* Revision 3.5 1997/01/19 12:44:40 kardel
* 3-5.88.1 reconcilation
*
* Revision 3.4 1996/11/24 20:09:45 kardel
* RELEASE_5_86_12_2 reconcilation
*
* Revision 3.3 1995/02/16 22:37:08 kardel
* LONG -> long - somehow missed this bugger
*
* Revision 3.2 1994/10/16 18:55:52 kardel
* integrate RCC8000 modifications from R. E. Broughton
*
* Revision 3.1 1994/10/03 21:59:24 kardel
* 3.4e cleanup/integration
*
*/
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