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Diffstat (limited to 'libparse/clk_hopf6021.c')
| -rw-r--r-- | libparse/clk_hopf6021.c | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/libparse/clk_hopf6021.c b/libparse/clk_hopf6021.c new file mode 100644 index 0000000..033d2d2 --- /dev/null +++ b/libparse/clk_hopf6021.c @@ -0,0 +1,283 @@ +/* + * /src/NTP/ntp4-dev/libparse/clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A + * + * clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A + * + * 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(CLOCK_PARSE) && defined(CLOCK_HOPF6021) + +#include "ntp_fp.h" +#include "ntp_unixtime.h" +#include "ntp_calendar.h" +#include "ascii.h" + +#include "parse.h" + +#ifndef PARSESTREAM +#include "ntp_stdlib.h" +#include <stdio.h> +#else +#include "sys/parsestreams.h" +extern int printf (const char *, ...); +#endif + +/* + * 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 */ + /* ... */ + }, + (const unsigned char *)"\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 (unsigned char *, int, struct format *, clocktime_t *, void *); +static unsigned long inp_hopf6021 (parse_t *, unsigned int, timestamp_t *); + +clockformat_t clock_hopf6021 = +{ + inp_hopf6021, /* HOPF 6021 input handling */ + cvt_hopf6021, /* Radiocode clock conversion */ + 0, /* no direct PPS monitoring */ + (void *)&hopf6021_fmt, /* conversion configuration */ + "hopf Funkuhr 6021", /* clock format name */ + 19, /* string buffer */ + 0 /* private data length, no private data */ +}; + +static unsigned long +cvt_hopf6021( + unsigned char *buffer, + int size, + struct format *format, + clocktime_t *clock_time, + void *local + ) +{ + unsigned char status,weekday; + + if (!Strok(buffer, format->fixed_string)) + { + return CVT_NONE; + } + + if ( STOI(O_DAY, &clock_time->day) || + STOI(O_MONTH, &clock_time->month) || + STOI(O_YEAR, &clock_time->year) || + STOI(O_HOUR, &clock_time->hour) || + STOI(O_MIN, &clock_time->minute) || + STOI(O_SEC, &clock_time->second) + ) + { + return CVT_FAIL|CVT_BADFMT; + } + + clock_time->usecond = 0; + clock_time->utcoffset = 0; + + status = hexval(buffer[OFFS(O_FLAGS)]); + weekday= hexval(buffer[OFFS(O_WDAY)]); + + if ((status == 0xFF) || (weekday == 0xFF)) + { + return CVT_FAIL|CVT_BADFMT; + } + + clock_time->flags = 0; + + if (weekday & HOPF_UTC) + { + clock_time->flags |= PARSEB_UTC; + } + else + { + if (status & HOPF_DST) + { + clock_time->flags |= PARSEB_DST; + clock_time->utcoffset = -2*60*60; /* MET DST */ + } + else + { + clock_time->utcoffset = -1*60*60; /* MET */ + } + } + + clock_time->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0; + + switch (status & HOPF_MODE) + { + case HOPF_INVALID: /* Time/Date invalid */ + clock_time->flags |= PARSEB_POWERUP; + break; + + case HOPF_INTERNAL: /* internal clock */ + clock_time->flags |= PARSEB_NOSYNC; + break; + + case HOPF_RADIO: /* Radio clock */ + case HOPF_RADIOHP: /* Radio clock high precision */ + break; + + default: + return CVT_FAIL|CVT_BADFMT; + } + + return CVT_OK; +} + +/* + * inp_hopf6021 + * + * grep data from input stream + */ +static u_long +inp_hopf6021( + parse_t *parseio, + unsigned int ch, + timestamp_t *tstamp + ) +{ + unsigned int rtc; + + parseprintf(DD_PARSE, ("inp_hopf6021(0x%lx, 0x%x, ...)\n", (long)parseio, ch)); + + switch (ch) + { + case ETX: + parseprintf(DD_PARSE, ("inp_hopf6021: 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_HOPF6021) */ +int clk_hopf6021_bs; +#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */ + +/* + * History: + * + * clk_hopf6021.c,v + * Revision 4.10 2004/11/14 15:29:41 kardel + * support PPSAPI, upgrade Copyright to Berkeley style + * + * Revision 4.7 1999/11/28 09:13:49 kardel + * RECON_4_0_98F + * + * Revision 4.6 1998/11/15 20:27:57 kardel + * Release 4.0.73e13 reconcilation + * + * Revision 4.5 1998/06/14 21:09:35 kardel + * Sun acc cleanup + * + * Revision 4.4 1998/06/13 12:02:38 kardel + * fix SYSV clock name clash + * + * Revision 4.3 1998/06/12 15:22:27 kardel + * fix prototypes + * + * Revision 4.2 1998/06/12 09:13:25 kardel + * conditional compile macros fixed + * printf prototype + * + * Revision 4.1 1998/05/24 09:39:52 kardel + * implementation of the new IO handling model + * + * Revision 4.0 1998/04/10 19:45:29 kardel + * Start 4.0 release version numbering + * + * from V3 3.6 log info deleted 1998/04/11 kardel + */ |