diff options
Diffstat (limited to 'contrib/ntp/libparse/clk_rcc8000.c')
| -rw-r--r-- | contrib/ntp/libparse/clk_rcc8000.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/contrib/ntp/libparse/clk_rcc8000.c b/contrib/ntp/libparse/clk_rcc8000.c new file mode 100644 index 0000000..09405c7 --- /dev/null +++ b/contrib/ntp/libparse/clk_rcc8000.c @@ -0,0 +1,195 @@ +/* + * /src/NTP/ntp-4/libparse/clk_rcc8000.c,v 4.5 1998/06/14 21:09:38 kardel RELEASE_19990228_A + * + * clk_rcc8000.c,v 4.5 1998/06/14 21:09:38 kardel RELEASE_19990228_A + * + * Radiocode Clocks Ltd RCC 8000 Intelligent Off-Air Master Clock support + * + * Created by R.E.Broughton from clk_trimtaip.c + * + * 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. + * + */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_RCC8000) + +#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 + +/* Type II Serial Output format + * + * 0000000000111111111122222222223 / char + * 0123456789012345678901234567890 \ posn + * HH:MM:SS.XYZ DD/MM/YY DDD W Prn Actual + * 33 44 55 666 00 11 22 7 Parse + * : : . / / rn Check + * "15:50:36.534 30/09/94 273 5 A\x0d\x0a" + * + * DDD - Day of year number + * W - Day of week number (Sunday is 0) + * P is the Status. See comment below for details. + */ + +#define O_USEC O_WDAY +static struct format rcc8000_fmt = +{ { { 13, 2 }, {16, 2}, { 19, 2}, /* Day, Month, Year */ + { 0, 2 }, { 3, 2}, { 6, 2}, /* Hour, Minute, Second */ + { 9, 3 }, {28, 1}, { 0, 0}, /* uSec, Status (Valid,Reject,BST,Leapyear) */ }, + (const unsigned char *)" : : . / / \r\n", + /*"15:50:36.534 30/09/94 273 5 A\x0d\x0a" */ + 0 +}; + +static unsigned long cvt_rcc8000 P((unsigned char *, int, struct format *, clocktime_t *, void *)); +static unsigned long inp_rcc8000 P((parse_t *, unsigned int, timestamp_t *)); + +clockformat_t clock_rcc8000 = +{ + inp_rcc8000, /* no input handling */ + cvt_rcc8000, /* Radiocode clock conversion */ + 0, /* no direct PPS monitoring */ + (void *)&rcc8000_fmt, /* conversion configuration */ + "Radiocode RCC8000", + 31, /* string buffer */ + 0 /* no private data */ +}; + +static unsigned long +cvt_rcc8000( + unsigned char *buffer, + int size, + struct format *format, + clocktime_t *clock_time, + void *local + ) +{ + if (!Strok(buffer, format->fixed_string)) return CVT_NONE; +#define OFFS(x) format->field_offsets[(x)].offset +#define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length) + 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) || + STOI(O_USEC, &clock_time->usecond) + ) return CVT_FAIL|CVT_BADFMT; + clock_time->usecond *= 1000; + + clock_time->utcoffset = 0; + +#define RCCP buffer[28] + /* + * buffer[28] is the ASCII representation of a hex character ( 0 through F ) + * The four bits correspond to: + * 8 - Valid Time + * 4 - Reject Code + * 2 - British Summer Time (receiver set to emit GMT all year.) + * 1 - Leap year + */ +#define RCC8000_VALID 0x8 +#define RCC8000_REJECT 0x4 +#define RCC8000_BST 0x2 +#define RCC8000_LEAPY 0x1 + + clock_time->flags = 0; + + if ( (RCCP >= '0' && RCCP <= '9') || (RCCP >= 'A' && RCCP <= 'F') ) + { + register int flag; + + flag = (RCCP >= '0' && RCCP <= '9' ) ? RCCP - '0' : RCCP - 'A' + 10; + + if (!(flag & RCC8000_VALID)) + clock_time->flags |= PARSEB_POWERUP; + + clock_time->flags |= PARSEB_UTC; /* British special - guess why 8-) */ + + /* other flags not used */ + } + return CVT_OK; +} +/* + * inp_rcc8000 + * + * grep data from input stream + */ +static u_long +inp_rcc8000( + parse_t *parseio, + unsigned int ch, + timestamp_t *tstamp + ) +{ + unsigned int rtc; + + parseprintf(DD_PARSE, ("inp_rcc8000(0x%x, 0x%x, ...)\n", (int)parseio, (int)ch)); + + switch (ch) + { + case '\n': + parseprintf(DD_PARSE, ("inp_rcc8000: EOL seen\n")); + if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP) + return parse_end(parseio); + else + return rtc; + + + default: + if (parseio->parse_index == 0) /* take sample at start of message */ + { + parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */ + } + return parse_addchar(parseio, ch); + } +} + +#else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_RCC8000) */ +int clk_rcc8000_bs; +#endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_RCC8000) */ + +/* + * History: + * + * clk_rcc8000.c,v + * Revision 4.5 1998/06/14 21:09:38 kardel + * Sun acc cleanup + * + * Revision 4.4 1998/06/13 12:05:02 kardel + * fix SYSV clock name clash + * + * Revision 4.3 1998/06/12 15:22:29 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 09:39:53 kardel + * implementation of the new IO handling model + * + * Revision 4.0 1998/04/10 19:45:30 kardel + * Start 4.0 release version numbering + * + * from V3 3.5 log info deleted 1998/04/11 kardel + */ |
