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/*
* Supports Diem's Computime Radio Clock
*
* Used the Meinberg clock as a template for Diem's Computime Radio Clock
*
* adapted by Alois Camenzind <alois.camenzind@ubs.ch>
*
* Copyright Frank Kardel <kardel <AT> ntp.org>
* Copyright Alois Camenzind <alois.camenzind@ubs.ch>
* Copyright the NTPsec project contributors
* SPDX-License-Identifier: BSD-3-Clause
*/
#include "config.h"
#include "ntp_fp.h"
#include "ntp_calendar.h"
#include "ntp_stdlib.h"
#include "parse.h"
#include <stdio.h>
/*
* The Computime receiver sends a datagram in the following format every minute
*
* Timestamp T:YY:MM:MD:WD:HH:MM:SSCRLF
* Pos 0123456789012345678901 2 3
* 0000000000111111111122 2 2
* Parse T: : : : : : : rn
*
* T Startcharacter "T" specifies start of the timestamp
* YY Year
* MM Month 1-12
* MD Day of the month
* WD Day of week
* HH Hour
* MM Minute
* SS Second
* CR Carriage return
* LF Linefeed
*
*/
static struct format computime_fmt =
{
{
{8, 2}, {5, 2}, {2, 2}, /* day, month, year */
{14, 2}, {17, 2}, {20, 2}, /* hour, minute, second */
{11, 2}, /* dayofweek, */
},
(const unsigned char *)"T: : : : : : : \r\n",
0
};
static parse_cvt_fnc_t cvt_computime;
static parse_inp_fnc_t inp_computime;
clockformat_t clock_computime =
{
inp_computime, /* Computime input handling */
cvt_computime, /* Computime conversion */
0, /* no PPS monitoring */
(void *)&computime_fmt, /* conversion configuration */
"Diem's Computime Radio Clock", /* Computime Radio Clock */
24, /* string buffer */
0 /* no private data (complete packets) */
};
/*
* parse_cvt_fnc_t cvt_computime
*
* convert simple type format
*/
static unsigned long
cvt_computime(
unsigned char *buffer,
int size,
struct format *format,
clocktime_t *clock_time,
void *local
)
{
UNUSED_ARG(size);
UNUSED_ARG(local);
if (!Strok(buffer, format->fixed_string)) {
return CVT_NONE;
} else {
if (Stoi(&buffer[format->field_offsets[O_DAY].offset], &clock_time->day,
format->field_offsets[O_DAY].length) ||
Stoi(&buffer[format->field_offsets[O_MONTH].offset], &clock_time->month,
format->field_offsets[O_MONTH].length) ||
Stoi(&buffer[format->field_offsets[O_YEAR].offset], &clock_time->year,
format->field_offsets[O_YEAR].length) ||
Stoi(&buffer[format->field_offsets[O_HOUR].offset], &clock_time->hour,
format->field_offsets[O_HOUR].length) ||
Stoi(&buffer[format->field_offsets[O_MIN].offset], &clock_time->minute,
format->field_offsets[O_MIN].length) ||
Stoi(&buffer[format->field_offsets[O_SEC].offset], &clock_time->second,
format->field_offsets[O_SEC].length)) {
return CVT_FAIL | CVT_BADFMT;
} else {
clock_time->flags = 0;
clock_time->utcoffset = 0; /* We have UTC time */
return CVT_OK;
}
}
}
/*
* parse_inp_fnc_t inp_computime
*
* grab data from input stream
*/
static unsigned long
inp_computime(
parse_t *parseio,
char ch,
timestamp_t *tstamp
)
{
unsigned int rtc;
parseprintf(DD_PARSE, ("inp_computime(0x%lx, 0x%x, ...)\n",
(long unsigned)parseio, (unsigned int)ch));
switch (ch)
{
case 'T':
parseprintf(DD_PARSE, ("inp_computime: START seen\n"));
parseio->parse_index = 1;
parseio->parse_data[0] = ch;
parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */
return PARSE_INP_SKIP;
case '\n':
parseprintf(DD_PARSE, ("inp_computime: END seen\n"));
if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP)
return parse_end(parseio);
else
return rtc;
default:
return parse_addchar(parseio, ch);
}
}
/*
* clk_computime.c,v
* Revision 4.10 2005/04/16 17:32:10 kardel
* update copyright
*
* Revision 4.9 2004/11/14 15:29:41 kardel
* support PPSAPI, upgrade Copyright to Berkeley style
*
* Revision 4.6 1999/11/28 09:13:49 kardel
* RECON_4_0_98F
*
* Revision 4.5 1998/06/14 21:09:34 kardel
* Sun acc cleanup
*
* Revision 4.4 1998/06/13 12:00:38 kardel
* fix SYSV clock name clash
*
* Revision 4.3 1998/06/12 15:22:26 kardel
* fix prototypes
*
* Revision 4.2 1998/06/12 09:13:24 kardel
* conditional compile macros fixed
* printf prototype
*
* Revision 4.1 1998/05/24 09:39:51 kardel
* implementation of the new IO handling model
*
* Revision 4.0 1998/04/10 19:45:27 kardel
* Start 4.0 release version numbering
*
* from V3 1.8 log info deleted 1998/04/11 kardel
*/
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