/* * /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 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 #endif #include "ntp_types.h" #if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_HOPF6021) #include "ntp_fp.h" #include "ntp_unixtime.h" #include "ntp_calendar.h" #include "parse.h" #ifndef PARSESTREAM #include "ntp_stdlib.h" #include #else #include "sys/parsestreams.h" extern int printf (const char *, ...); #endif #include "ascii.h" /* * 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) static parse_cvt_fnc_t cvt_hopf6021; static parse_inp_fnc_t inp_hopf6021; static unsigned char hexval(unsigned char); 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 */ }; /* parse_cvt_fnc_t cvt_hopf6021 */ static u_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->flags = 0; status = hexval(buffer[OFFS(O_FLAGS)]); weekday = hexval(buffer[OFFS(O_WDAY)]); if ((status == 0xFF) || (weekday == 0xFF)) { return CVT_FAIL|CVT_BADFMT; } if (weekday & HOPF_UTC) { clock_time->flags |= PARSEB_UTC; clock_time->utcoffset = 0; } 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 */ } if (status & HOPF_DSTWARN) { clock_time->flags |= PARSEB_ANNOUNCE; } switch (status & HOPF_MODE) { default: /* dummy: we cover all 4 cases. */ 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; } return CVT_OK; } /* * parse_inp_fnc_t inp_hopf6021 * * grab data from input stream */ static u_long inp_hopf6021( parse_t *parseio, char ch, timestamp_t *tstamp ) { unsigned int rtc; parseprintf(DD_PARSE, ("inp_hopf6021(0x%p, 0x%x, ...)\n", (void*)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); } } /* * convert a hex-digit to numeric value */ static unsigned char hexval( unsigned char ch ) { unsigned int dv; if ((dv = ch - '0') >= 10u) { if ((dv -= 'A'-'0') < 6u || (dv -= 'a'-'A') < 6u) { dv += 10; } else { dv = 0xFF; } } return (unsigned char)dv; } #else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */ NONEMPTY_TRANSLATION_UNIT #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 */