diff options
Diffstat (limited to 'libparse/clk_dcf7000.c')
| -rw-r--r-- | libparse/clk_dcf7000.c | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/libparse/clk_dcf7000.c b/libparse/clk_dcf7000.c new file mode 100644 index 0000000..bfd9a74 --- /dev/null +++ b/libparse/clk_dcf7000.c @@ -0,0 +1,214 @@ +/* + * /src/NTP/ntp4-dev/libparse/clk_dcf7000.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A + * + * clk_dcf7000.c,v 4.10 2005/04/16 17:32:10 kardel RELEASE_20050508_A + * + * ELV DCF7000 module + * + * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org> + * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universität Erlangen-Nürnberg, Germany + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_DCF7000) + +#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 int printf (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 (unsigned char *, int, struct format *, clocktime_t *, void *); +static unsigned long inp_dcf7000 (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%lx, 0x%x, ...)\n", (long)parseio, 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 4.10 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 12:01:59 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 + */ |