1 /* 2 * /src/NTP/ntp4-dev/libparse/clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A 3 * 4 * clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A 5 * 6 * Radiocode Clocks HOPF Funkuhr 6021 mit serieller Schnittstelle 7 * base code version from 24th Nov 1995 - history at end 8 * 9 * Created by F.Schnekenbuehl <frank@comsys.dofn.de> from clk_rcc8000.c 10 * Nortel DASA Network Systems GmbH, Department: ND250 11 * A Joint venture of Daimler-Benz Aerospace and Nortel 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 */ 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_HOPF6021) 24 25 #include "ntp_fp.h" 26 #include "ntp_unixtime.h" 27 #include "ntp_calendar.h" 28 #include "ascii.h" 29 30 #include "parse.h" 31 32 #ifndef PARSESTREAM 33 #include "ntp_stdlib.h" 34 #include <stdio.h> 35 #else 36 #include "sys/parsestreams.h" 37 extern int printf (const char *, ...); 38 #endif 39 40 /* 41 * hopf Funkuhr 6021 42 * used with 9600,8N1, 43 * UTC ueber serielle Schnittstelle 44 * Sekundenvorlauf ON 45 * ETX zum Sekundenvorlauf ON 46 * Datenstring 6021 47 * Ausgabe Uhrzeit und Datum 48 * Senden mit Steuerzeichen 49 * Senden sekuendlich 50 */ 51 52 /* 53 * Type 6021 Serial Output format 54 * 55 * 000000000011111111 / char 56 * 012345678901234567 \ position 57 * sABHHMMSSDDMMYYnre Actual 58 * C4110046231195 Parse 59 * s enr Check 60 * 61 * s = STX (0x02), e = ETX (0x03) 62 * n = NL (0x0A), r = CR (0x0D) 63 * 64 * A B - Status and weekday 65 * 66 * A - Status 67 * 68 * 8 4 2 1 69 * x x x 0 - no announcement 70 * x x x 1 - Summertime - wintertime - summertime announcement 71 * x x 0 x - Wintertime 72 * x x 1 x - Summertime 73 * 0 0 x x - Time/Date invalid 74 * 0 1 x x - Internal clock used 75 * 1 0 x x - Radio clock 76 * 1 1 x x - Radio clock highprecision 77 * 78 * B - 8 4 2 1 79 * 0 x x x - MESZ/MEZ 80 * 1 x x x - UTC 81 * x 0 0 1 - Monday 82 * x 0 1 0 - Tuesday 83 * x 0 1 1 - Wednesday 84 * x 1 0 0 - Thursday 85 * x 1 0 1 - Friday 86 * x 1 1 0 - Saturday 87 * x 1 1 1 - Sunday 88 */ 89 90 #define HOPF_DSTWARN 0x01 /* DST switch warning */ 91 #define HOPF_DST 0x02 /* DST in effect */ 92 93 #define HOPF_MODE 0x0C /* operation mode mask */ 94 #define HOPF_INVALID 0x00 /* no time code available */ 95 #define HOPF_INTERNAL 0x04 /* internal clock */ 96 #define HOPF_RADIO 0x08 /* radio clock */ 97 #define HOPF_RADIOHP 0x0C /* high precision radio clock */ 98 99 #define HOPF_UTC 0x08 /* time code in UTC */ 100 #define HOPF_WMASK 0x07 /* mask for weekday code */ 101 102 static struct format hopf6021_fmt = 103 { 104 { 105 { 9, 2 }, {11, 2}, { 13, 2}, /* Day, Month, Year */ 106 { 3, 2 }, { 5, 2}, { 7, 2}, /* Hour, Minute, Second */ 107 { 2, 1 }, { 1, 1}, { 0, 0}, /* Weekday, Flags, Zone */ 108 /* ... */ 109 }, 110 (const unsigned char *)"\002 \n\r\003", 111 0 112 }; 113 114 #define OFFS(x) format->field_offsets[(x)].offset 115 #define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length) 116 #define hexval(x) (('0' <= (x) && (x) <= '9') ? (x) - '0' : \ 117 ('a' <= (x) && (x) <= 'f') ? (x) - 'a' + 10 : \ 118 ('A' <= (x) && (x) <= 'F') ? (x) - 'A' + 10 : \ 119 -1) 120 121 static parse_cvt_fnc_t cvt_hopf6021; 122 static parse_inp_fnc_t inp_hopf6021; 123 124 clockformat_t clock_hopf6021 = 125 { 126 inp_hopf6021, /* HOPF 6021 input handling */ 127 cvt_hopf6021, /* Radiocode clock conversion */ 128 0, /* no direct PPS monitoring */ 129 (void *)&hopf6021_fmt, /* conversion configuration */ 130 "hopf Funkuhr 6021", /* clock format name */ 131 19, /* string buffer */ 132 0 /* private data length, no private data */ 133 }; 134 135 /* parse_cvt_fnc_t cvt_hopf6021 */ 136 static u_long 137 cvt_hopf6021( 138 unsigned char *buffer, 139 int size, 140 struct format *format, 141 clocktime_t *clock_time, 142 void *local 143 ) 144 { 145 unsigned char status,weekday; 146 147 if (!Strok(buffer, format->fixed_string)) 148 { 149 return CVT_NONE; 150 } 151 152 if ( STOI(O_DAY, &clock_time->day) || 153 STOI(O_MONTH, &clock_time->month) || 154 STOI(O_YEAR, &clock_time->year) || 155 STOI(O_HOUR, &clock_time->hour) || 156 STOI(O_MIN, &clock_time->minute) || 157 STOI(O_SEC, &clock_time->second) 158 ) 159 { 160 return CVT_FAIL|CVT_BADFMT; 161 } 162 163 clock_time->usecond = 0; 164 clock_time->utcoffset = 0; 165 166 status = (u_char) hexval(buffer[OFFS(O_FLAGS)]); 167 weekday= (u_char) hexval(buffer[OFFS(O_WDAY)]); 168 169 if ((status == 0xFF) || (weekday == 0xFF)) 170 { 171 return CVT_FAIL|CVT_BADFMT; 172 } 173 174 clock_time->flags = 0; 175 176 if (weekday & HOPF_UTC) 177 { 178 clock_time->flags |= PARSEB_UTC; 179 } 180 else 181 { 182 if (status & HOPF_DST) 183 { 184 clock_time->flags |= PARSEB_DST; 185 clock_time->utcoffset = -2*60*60; /* MET DST */ 186 } 187 else 188 { 189 clock_time->utcoffset = -1*60*60; /* MET */ 190 } 191 } 192 193 clock_time->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0; 194 195 switch (status & HOPF_MODE) 196 { 197 case HOPF_INVALID: /* Time/Date invalid */ 198 clock_time->flags |= PARSEB_POWERUP; 199 break; 200 201 case HOPF_INTERNAL: /* internal clock */ 202 clock_time->flags |= PARSEB_NOSYNC; 203 break; 204 205 case HOPF_RADIO: /* Radio clock */ 206 case HOPF_RADIOHP: /* Radio clock high precision */ 207 break; 208 209 default: 210 return CVT_FAIL|CVT_BADFMT; 211 } 212 213 return CVT_OK; 214 } 215 216 /* 217 * parse_inp_fnc_t inp_hopf6021 218 * 219 * grab data from input stream 220 */ 221 static u_long 222 inp_hopf6021( 223 parse_t *parseio, 224 char ch, 225 timestamp_t *tstamp 226 ) 227 { 228 unsigned int rtc; 229 230 parseprintf(DD_PARSE, ("inp_hopf6021(0x%p, 0x%x, ...)\n", (void*)parseio, ch)); 231 232 switch (ch) 233 { 234 case ETX: 235 parseprintf(DD_PARSE, ("inp_hopf6021: EOL seen\n")); 236 parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */ 237 if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP) 238 return parse_end(parseio); 239 else 240 return rtc; 241 242 default: 243 return parse_addchar(parseio, ch); 244 } 245 } 246 247 #else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */ 248 int clk_hopf6021_bs; 249 #endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */ 250 251 /* 252 * History: 253 * 254 * clk_hopf6021.c,v 255 * Revision 4.10 2004/11/14 15:29:41 kardel 256 * support PPSAPI, upgrade Copyright to Berkeley style 257 * 258 * Revision 4.7 1999/11/28 09:13:49 kardel 259 * RECON_4_0_98F 260 * 261 * Revision 4.6 1998/11/15 20:27:57 kardel 262 * Release 4.0.73e13 reconcilation 263 * 264 * Revision 4.5 1998/06/14 21:09:35 kardel 265 * Sun acc cleanup 266 * 267 * Revision 4.4 1998/06/13 12:02:38 kardel 268 * fix SYSV clock name clash 269 * 270 * Revision 4.3 1998/06/12 15:22:27 kardel 271 * fix prototypes 272 * 273 * Revision 4.2 1998/06/12 09:13:25 kardel 274 * conditional compile macros fixed 275 * printf prototype 276 * 277 * Revision 4.1 1998/05/24 09:39:52 kardel 278 * implementation of the new IO handling model 279 * 280 * Revision 4.0 1998/04/10 19:45:29 kardel 281 * Start 4.0 release version numbering 282 * 283 * from V3 3.6 log info deleted 1998/04/11 kardel 284 */ 285