diff options
Diffstat (limited to 'libparse/clk_varitext.c')
| -rw-r--r-- | libparse/clk_varitext.c | 87 |
1 files changed, 44 insertions, 43 deletions
diff --git a/libparse/clk_varitext.c b/libparse/clk_varitext.c index 295ce0a..022549e 100644 --- a/libparse/clk_varitext.c +++ b/libparse/clk_varitext.c @@ -9,14 +9,14 @@ * clk_varitext.c,v 1.5 2005/04/16 17:32:10 kardel RELEASE_20050508_A * * Varitext code variant by A.McConnell 1997/01/19 - * + * * Supports Varitext's Radio Clock - * + * * Used the Meinberg/Computime clock as a template for Varitext Radio Clock * * Codebase: * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org> - * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universität Erlangen-Nürnberg, Germany + * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universitaet Erlangen-Nuernberg, Germany * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -67,31 +67,31 @@ static const u_char VT_LAST_TELEGRAM_OK = 0x20; /* * The Varitext receiver sends a datagram in the following format every minute - * - * Timestamp T:YY:MM:MD:WD:HH:MM:SSCRLFSTXXX + * + * Timestamp T:YY:MM:MD:WD:HH:MM:SSCRLFSTXXX * Pos 0123456789012345678901 2 3 4567 * 0000000000111111111122 2 2 2222 - * Parse T: : : : : : : \r\n - * - * T Startcharacter "T" specifies start of the timestamp - * YY Year MM Month 1-12 - * MD Day of the month - * WD Day of week - * HH Hour - * MM Minute - * SS Second - * CR Carriage return - * LF Linefeed + * Parse T: : : : : : : \r\n + * + * T Startcharacter "T" specifies start of the timestamp + * YY Year MM Month 1-12 + * MD Day of the month + * WD Day of week + * HH Hour + * MM Minute + * SS Second + * CR Carriage return + * LF Linefeed * ST Status character * Bit 0 - Set= Initialised; Reset=Time Invalid (DO NOT USE) - * Bit 1 - Set= Synchronised; Reset= Unsynchronised - * Bit 2 - Set= Alarm state; Reset= No alarm - * Bit 3 - Set= BST; Reset= GMT - * Bit 4 - Set= Seasonal change in approx hour; Reset= No seasonal change expected + * Bit 1 - Set= Synchronised; Reset= Unsynchronised + * Bit 2 - Set= Alarm state; Reset= No alarm + * Bit 3 - Set= BST; Reset= GMT + * Bit 4 - Set= Seasonal change in approx hour; Reset= No seasonal change expected * Bit 5 - Set= Last MSF telegram was OK; Reset= Last telegram was in error; - * Bit 6 - Always set + * Bit 6 - Always set * Bit 7 - Unused - * XXX Checksum calculated using Fletcher's method (ignored for now). + * XXX Checksum calculated using Fletcher's method (ignored for now). */ static struct format varitext_fmt = @@ -105,8 +105,8 @@ static struct format varitext_fmt = 0 }; -static u_long cvt_varitext (unsigned char *, int, struct format *, clocktime_t *, void *); -static u_long inp_varitext (parse_t *, unsigned int, timestamp_t *); +static parse_cvt_fnc_t cvt_varitext; +static parse_inp_fnc_t inp_varitext; struct varitext { unsigned char start_found; @@ -128,11 +128,11 @@ clockformat_t clock_varitext = }; /* - * cvt_varitext - * + * parse_cvt_fnc_t cvt_varitext + * * convert simple type format */ -static u_long +static u_long cvt_varitext( unsigned char *buffer, int size, @@ -142,7 +142,7 @@ cvt_varitext( ) { - if (!Strok(buffer, format->fixed_string)) { + if (!Strok(buffer, format->fixed_string)) { return CVT_NONE; } else { if (Stoi(&buffer[format->field_offsets[O_DAY].offset], &clock_time->day, @@ -156,7 +156,7 @@ cvt_varitext( 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)) { + format->field_offsets[O_SEC].length)) { return CVT_FAIL | CVT_BADFMT; } else { u_char *f = (u_char*) &buffer[format->field_offsets[O_FLAGS].offset]; @@ -170,24 +170,25 @@ cvt_varitext( clock_time->flags |= PARSEB_DST; } /* - if (!((*f) & VT_INITIALISED)) Clock not initialised + if (!((*f) & VT_INITIALISED)) Clock not initialised clock_time->flags |= PARSEB_POWERUP; - - if (!((*f) & VT_SYNCHRONISED)) Clock not synchronised + + if (!((*f) & VT_SYNCHRONISED)) Clock not synchronised clock_time->flags |= PARSEB_NOSYNC; - - if (((*f) & VT_SEASON_CHANGE)) Seasonal change expected in the next hour + + if (((*f) & VT_SEASON_CHANGE)) Seasonal change expected in the next hour clock_time->flags |= PARSEB_ANNOUNCE; */ - return CVT_OK; + return CVT_OK; } } } -static u_long +/* parse_inp_fnc_t inp_varitext */ +static u_long inp_varitext( parse_t *parseio, - unsigned int ch, + char ch, timestamp_t *tstamp ) { @@ -196,10 +197,10 @@ inp_varitext( parseprintf(DD_PARSE, ("inp_varitext(0x%lx, 0x%x, ...)\n", (long)parseio, ch)); - if (!t) + if (!t) return PARSE_INP_SKIP; /* local data not allocated - sigh! */ - if (ch == 'T') + if (ch == 'T') t->tstamp = *tstamp; if ((t->previous_ch == 'T') && (ch == ':')) @@ -224,7 +225,7 @@ inp_varitext( return rtc; } - if (t->end_found) + if (t->end_found) { if (++(t->end_count) == 4) /* Finally found the end of the message */ { @@ -235,16 +236,16 @@ inp_varitext( return parse_end(parseio); else return rtc; - } + } } - if ((t->previous_ch == '\r') && (ch == '\n')) + if ((t->previous_ch == '\r') && (ch == '\n')) { t->end_found = 1; } } - + t->previous_ch = ch; return PARSE_INP_SKIP; |