NetBSD/usr.sbin/xntp/xntpd/clk_hopf6021.c

239 lines
6.4 KiB
C

/*
*
* /src/NTP/REPOSITORY/v4/libparse/clk_hopf6021.c,v 3.5 1997/01/19 12:44:37 kardel Exp
*
* clk_hopf6021.c,v 3.5 1997/01/19 12:44:37 kardel Exp
*
* Radiocode Clocks HOPF Funkuhr 6021 mit serieller Schnittstelle
* base code version from 24th Nov 1995 - history at end
*
* Created by F.Schnekenbuehl <frank@comsys.dofn.de> from clk_rcc8000.c
* Nortel DASA Network Systems GmbH, Department: ND250
* A Joint venture of Daimler-Benz Aerospace and Nortel
*
* 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.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#if defined(REFCLOCK) && (defined(PARSE) || defined(PARSEPPS)) && defined(CLOCK_HOPF6021)
#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"
/*
* hopf Funkuhr 6021
* used with 9600,8N1,
* UTC ueber serielle Schnittstelle
* Sekundenvorlauf ON
* ETX zum Sekundenvorlauf ON
* Datenstring 6021
* Ausgabe Uhrzeit und Datum
* Senden mit Steuerzeichen
* Senden sekuendlich
*/
/*
* Type 6021 Serial Output format
*
* 000000000011111111 / char
* 012345678901234567 \ position
* sABHHMMSSDDMMYYnre Actual
* C4110046231195 Parse
* s enr Check
*
* s = STX (0x02), e = ETX (0x03)
* n = NL (0x0A), r = CR (0x0D)
*
* A B - Status and weekday
*
* A - Status
*
* 8 4 2 1
* x x x 0 - no announcement
* x x x 1 - Summertime - wintertime - summertime announcement
* x x 0 x - Wintertime
* x x 1 x - Summertime
* 0 0 x x - Time/Date invalid
* 0 1 x x - Internal clock used
* 1 0 x x - Radio clock
* 1 1 x x - Radio clock highprecision
*
* B - 8 4 2 1
* 0 x x x - MESZ/MEZ
* 1 x x x - UTC
* x 0 0 1 - Monday
* x 0 1 0 - Tuesday
* x 0 1 1 - Wednesday
* x 1 0 0 - Thursday
* x 1 0 1 - Friday
* x 1 1 0 - Saturday
* x 1 1 1 - Sunday
*/
#define HOPF_DSTWARN 0x01 /* DST switch warning */
#define HOPF_DST 0x02 /* DST in effect */
#define HOPF_MODE 0x0C /* operation mode mask */
#define HOPF_INVALID 0x00 /* no time code available */
#define HOPF_INTERNAL 0x04 /* internal clock */
#define HOPF_RADIO 0x08 /* radio clock */
#define HOPF_RADIOHP 0x0C /* high precision radio clock */
#define HOPF_UTC 0x08 /* time code in UTC */
#define HOPF_WMASK 0x07 /* mask for weekday code */
static struct format hopf6021_fmt =
{
{
{ 9, 2 }, {11, 2}, { 13, 2}, /* Day, Month, Year */
{ 3, 2 }, { 5, 2}, { 7, 2}, /* Hour, Minute, Second */
{ 2, 1 }, { 1, 1}, { 0, 0}, /* Weekday, Flags, Zone */
/* ... */
},
"\002 \n\r\003",
0
};
#define OFFS(x) format->field_offsets[(x)].offset
#define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length)
#define hexval(x) (('0' <= (x) && (x) <= '9') ? (x) - '0' : \
('a' <= (x) && (x) <= 'f') ? (x) - 'a' + 10 : \
('A' <= (x) && (x) <= 'F') ? (x) - 'A' + 10 : \
-1)
static unsigned long cvt_hopf6021();
clockformat_t clock_hopf6021 =
{
(unsigned long (*)())0, /* no input handling */
cvt_hopf6021, /* 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 *)&hopf6021_fmt, /* conversion configuration */
"hopf Funkuhr 6021", /* clock format name */
19, /* string buffer */
F_END|SYNC_END, /* END delimiter, END synchronisation */
0, /* private data length, no private data */
{ 0, 0}, /* buffer restart after timeout (us) */
0, /* start symbol */
'\003', /* end symbol */
0 /* sync symbol */
};
static unsigned long
cvt_hopf6021(buffer, size, format, clock)
register char *buffer;
register int size;
register struct format *format;
register clocktime_t *clock;
{
char status,weekday;
if (!Strok(buffer, format->fixed_string))
{
return CVT_NONE;
}
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)
)
{
return CVT_FAIL|CVT_BADFMT;
}
clock->usecond = 0;
clock->utcoffset = 0;
status = hexval(buffer[OFFS(O_FLAGS)]);
weekday= hexval(buffer[OFFS(O_WDAY)]);
if ((status == -1) || (weekday == -1))
{
return CVT_FAIL|CVT_BADFMT;
}
clock->flags = 0;
if (weekday & HOPF_UTC)
{
clock->flags |= PARSEB_UTC;
}
else
{
if (status & HOPF_DST)
{
clock->flags |= PARSEB_DST;
clock->utcoffset = -2*60*60; /* MET DST */
}
else
{
clock->utcoffset = -1*60*60; /* MET */
}
}
clock->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0;
switch (status & HOPF_MODE)
{
case HOPF_INVALID: /* Time/Date invalid */
clock->flags |= PARSEB_POWERUP;
break;
case HOPF_INTERNAL: /* internal clock */
clock->flags |= PARSEB_NOSYNC;
break;
case HOPF_RADIO: /* Radio clock */
case HOPF_RADIOHP: /* Radio clock high precision */
break;
default:
return CVT_FAIL|CVT_BADFMT;
break;
}
return CVT_OK;
}
#else /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_HOPF6021) */
int clk_hopf6021_bs;
#endif /* not (REFCLOCK && (PARSE || PARSEPPS) && CLOCK_HOPF6021) */
/*
* History:
*
* clk_hopf6021.c,v
* Revision 3.5 1997/01/19 12:44:37 kardel
* 3-5.88.1 reconcilation
*
* Revision 3.4 1996/11/24 20:09:43 kardel
* RELEASE_5_86_12_2 reconcilation
*
* Revision 3.3 1995/12/17 18:17:21 kardel
* log entries fixed
*
* Revision 3.2 1995/12/17 18:11:46 kardel
* code cleanup and improved state handling
*
* Revision 3.1 1995/12/17 18:08:53 kardel
* Hopf 6021 added - base code
*
*/