diff options
Diffstat (limited to 'contrib/ntp/libparse/clk_dcf7000.c')
| -rw-r--r-- | contrib/ntp/libparse/clk_dcf7000.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/contrib/ntp/libparse/clk_dcf7000.c b/contrib/ntp/libparse/clk_dcf7000.c new file mode 100644 index 0000000..845b467 --- /dev/null +++ b/contrib/ntp/libparse/clk_dcf7000.c @@ -0,0 +1,188 @@ +/* + * /src/NTP/ntp-4/libparse/clk_dcf7000.c,v 4.5 1998/06/14 21:09:34 kardel RELEASE_19990228_A + * + * clk_dcf7000.c,v 4.5 1998/06/14 21:09:34 kardel RELEASE_19990228_A + * + * ELV DCF7000 module + * + * Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998 by Frank Kardel + * Friedrich-Alexander Universität Erlangen-Nürnberg, Germany + * + * 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(CLOCK_PARSE) && defined(CLOCK_DCF7000) + +#include <sys/types.h> +#include <sys/time.h> + +#include "ntp_fp.h" +#include "ntp_unixtime.h" +#include "ntp_calendar.h" + +#include "parse.h" + +#ifndef PARSESTREAM +#include "ntp_stdlib.h" +#include <stdio.h> +#else +#include "sys/parsestreams.h" +extern void printf P((const char *, ...)); +#endif + +static struct format dcf7000_fmt = +{ /* ELV DCF7000 */ + { + { 6, 2}, { 3, 2}, { 0, 2}, + { 12, 2}, { 15, 2}, { 18, 2}, + { 9, 2}, { 21, 2}, + }, + (const unsigned char *)" - - - - - - - \r", + 0 +}; +static u_long cvt_dcf7000 P((unsigned char *, int, struct format *, clocktime_t *, void *)); +static unsigned long inp_dcf7000 P((parse_t *, unsigned int, timestamp_t *)); + +clockformat_t clock_dcf7000 = +{ + inp_dcf7000, /* DCF7000 input handling */ + cvt_dcf7000, /* ELV DCF77 conversion */ + 0, /* no direct PPS monitoring */ + (void *)&dcf7000_fmt, /* conversion configuration */ + "ELV DCF7000", /* ELV clock */ + 24, /* string buffer */ + 0 /* no private data (complete pakets) */ +}; + +/* + * cvt_dcf7000 + * + * convert dcf7000 type format + */ +static u_long +cvt_dcf7000( + unsigned char *buffer, + int size, + struct format *format, + clocktime_t *clock_time, + void *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 + { + unsigned char *f = &buffer[format->field_offsets[O_FLAGS].offset]; + long flags; + + clock_time->flags = 0; + clock_time->usecond = 0; + + if (Stoi(f, &flags, format->field_offsets[O_FLAGS].length)) + { + return CVT_FAIL|CVT_BADFMT; + } + else + { + if (flags & 0x1) + clock_time->utcoffset = -2*60*60; + else + clock_time->utcoffset = -1*60*60; + + if (flags & 0x2) + clock_time->flags |= PARSEB_ANNOUNCE; + + if (flags & 0x4) + clock_time->flags |= PARSEB_NOSYNC; + } + return CVT_OK; + } + } +} + +/* + * inp_dcf700 + * + * grep data from input stream + */ +static u_long +inp_dcf7000( + parse_t *parseio, + unsigned int ch, + timestamp_t *tstamp + ) +{ + unsigned int rtc; + + parseprintf(DD_PARSE, ("inp_dcf7000(0x%x, 0x%x, ...)\n", (int)parseio, (int)ch)); + + switch (ch) + { + case '\r': + parseprintf(DD_PARSE, ("inp_dcf7000: EOL seen\n")); + parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */ + if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP) + return parse_end(parseio); + else + return rtc; + + default: + return parse_addchar(parseio, ch); + } +} + +#else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_DCF7000) */ +int clk_dcf7000_bs; +#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_DCF7000) */ + +/* + * History: + * + * clk_dcf7000.c,v + * Revision 4.5 1998/06/14 21:09:34 kardel + * Sun acc cleanup + * + * Revision 4.4 1998/06/13 12:01:59 kardel + * fix SYSV clock name clash + * + * Revision 4.3 1998/06/12 15:22:27 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 19:45:28 kardel + * Start 4.0 release version numbering + * + * from V3 3.18 log info deleted 1998/04/11 kardel + */ |
