1 /* $NetBSD: clk_hopf6021.c,v 1.5 2016/01/08 21:35:39 christos Exp $ */ 2 3 /* 4 * /src/NTP/ntp4-dev/libparse/clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A 5 * 6 * clk_hopf6021.c,v 4.10 2004/11/14 15:29:41 kardel RELEASE_20050508_A 7 * 8 * Radiocode Clocks HOPF Funkuhr 6021 mit serieller Schnittstelle 9 * base code version from 24th Nov 1995 - history at end 10 * 11 * Created by F.Schnekenbuehl <frank@comsys.dofn.de> from clk_rcc8000.c 12 * Nortel DASA Network Systems GmbH, Department: ND250 13 * A Joint venture of Daimler-Benz Aerospace and Nortel 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 18 * 19 */ 20 21 #ifdef HAVE_CONFIG_H 22 # include <config.h> 23 #endif 24 25 #if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_HOPF6021) 26 27 #include "ntp_fp.h" 28 #include "ntp_unixtime.h" 29 #include "ntp_calendar.h" 30 #include "ascii.h" 31 32 #include "parse.h" 33 34 #ifndef PARSESTREAM 35 #include "ntp_stdlib.h" 36 #include <stdio.h> 37 #else 38 #include "sys/parsestreams.h" 39 extern int printf (const char *, ...); 40 #endif 41 42 /* 43 * hopf Funkuhr 6021 44 * used with 9600,8N1, 45 * UTC ueber serielle Schnittstelle 46 * Sekundenvorlauf ON 47 * ETX zum Sekundenvorlauf ON 48 * Datenstring 6021 49 * Ausgabe Uhrzeit und Datum 50 * Senden mit Steuerzeichen 51 * Senden sekuendlich 52 */ 53 54 /* 55 * Type 6021 Serial Output format 56 * 57 * 000000000011111111 / char 58 * 012345678901234567 \ position 59 * sABHHMMSSDDMMYYnre Actual 60 * C4110046231195 Parse 61 * s enr Check 62 * 63 * s = STX (0x02), e = ETX (0x03) 64 * n = NL (0x0A), r = CR (0x0D) 65 * 66 * A B - Status and weekday 67 * 68 * A - Status 69 * 70 * 8 4 2 1 71 * x x x 0 - no announcement 72 * x x x 1 - Summertime - wintertime - summertime announcement 73 * x x 0 x - Wintertime 74 * x x 1 x - Summertime 75 * 0 0 x x - Time/Date invalid 76 * 0 1 x x - Internal clock used 77 * 1 0 x x - Radio clock 78 * 1 1 x x - Radio clock highprecision 79 * 80 * B - 8 4 2 1 81 * 0 x x x - MESZ/MEZ 82 * 1 x x x - UTC 83 * x 0 0 1 - Monday 84 * x 0 1 0 - Tuesday 85 * x 0 1 1 - Wednesday 86 * x 1 0 0 - Thursday 87 * x 1 0 1 - Friday 88 * x 1 1 0 - Saturday 89 * x 1 1 1 - Sunday 90 */ 91 92 #define HOPF_DSTWARN 0x01 /* DST switch warning */ 93 #define HOPF_DST 0x02 /* DST in effect */ 94 95 #define HOPF_MODE 0x0C /* operation mode mask */ 96 #define HOPF_INVALID 0x00 /* no time code available */ 97 #define HOPF_INTERNAL 0x04 /* internal clock */ 98 #define HOPF_RADIO 0x08 /* radio clock */ 99 #define HOPF_RADIOHP 0x0C /* high precision radio clock */ 100 101 #define HOPF_UTC 0x08 /* time code in UTC */ 102 #define HOPF_WMASK 0x07 /* mask for weekday code */ 103 104 static struct format hopf6021_fmt = 105 { 106 { 107 { 9, 2 }, {11, 2}, { 13, 2}, /* Day, Month, Year */ 108 { 3, 2 }, { 5, 2}, { 7, 2}, /* Hour, Minute, Second */ 109 { 2, 1 }, { 1, 1}, { 0, 0}, /* Weekday, Flags, Zone */ 110 /* ... */ 111 }, 112 (const unsigned char *)"\002 \n\r\003", 113 0 114 }; 115 116 #define OFFS(x) format->field_offsets[(x)].offset 117 #define STOI(x, y) Stoi(&buffer[OFFS(x)], y, format->field_offsets[(x)].length) 118 #define hexval(x) (('0' <= (x) && (x) <= '9') ? (x) - '0' : \ 119 ('a' <= (x) && (x) <= 'f') ? (x) - 'a' + 10 : \ 120 ('A' <= (x) && (x) <= 'F') ? (x) - 'A' + 10 : \ 121 -1) 122 123 static parse_cvt_fnc_t cvt_hopf6021; 124 static parse_inp_fnc_t inp_hopf6021; 125 126 clockformat_t clock_hopf6021 = 127 { 128 inp_hopf6021, /* HOPF 6021 input handling */ 129 cvt_hopf6021, /* Radiocode clock conversion */ 130 0, /* no direct PPS monitoring */ 131 (void *)&hopf6021_fmt, /* conversion configuration */ 132 "hopf Funkuhr 6021", /* clock format name */ 133 19, /* string buffer */ 134 0 /* private data length, no private data */ 135 }; 136 137 /* parse_cvt_fnc_t cvt_hopf6021 */ 138 static u_long 139 cvt_hopf6021( 140 unsigned char *buffer, 141 int size, 142 struct format *format, 143 clocktime_t *clock_time, 144 void *local 145 ) 146 { 147 unsigned char status,weekday; 148 149 if (!Strok(buffer, format->fixed_string)) 150 { 151 return CVT_NONE; 152 } 153 154 if ( STOI(O_DAY, &clock_time->day) || 155 STOI(O_MONTH, &clock_time->month) || 156 STOI(O_YEAR, &clock_time->year) || 157 STOI(O_HOUR, &clock_time->hour) || 158 STOI(O_MIN, &clock_time->minute) || 159 STOI(O_SEC, &clock_time->second) 160 ) 161 { 162 return CVT_FAIL|CVT_BADFMT; 163 } 164 165 clock_time->usecond = 0; 166 clock_time->utcoffset = 0; 167 168 status = (u_char) hexval(buffer[OFFS(O_FLAGS)]); 169 weekday= (u_char) hexval(buffer[OFFS(O_WDAY)]); 170 171 if ((status == 0xFF) || (weekday == 0xFF)) 172 { 173 return CVT_FAIL|CVT_BADFMT; 174 } 175 176 clock_time->flags = 0; 177 178 if (weekday & HOPF_UTC) 179 { 180 clock_time->flags |= PARSEB_UTC; 181 } 182 else 183 { 184 if (status & HOPF_DST) 185 { 186 clock_time->flags |= PARSEB_DST; 187 clock_time->utcoffset = -2*60*60; /* MET DST */ 188 } 189 else 190 { 191 clock_time->utcoffset = -1*60*60; /* MET */ 192 } 193 } 194 195 clock_time->flags |= (status & HOPF_DSTWARN) ? PARSEB_ANNOUNCE : 0; 196 197 switch (status & HOPF_MODE) 198 { 199 case HOPF_INVALID: /* Time/Date invalid */ 200 clock_time->flags |= PARSEB_POWERUP; 201 break; 202 203 case HOPF_INTERNAL: /* internal clock */ 204 clock_time->flags |= PARSEB_NOSYNC; 205 break; 206 207 case HOPF_RADIO: /* Radio clock */ 208 case HOPF_RADIOHP: /* Radio clock high precision */ 209 break; 210 211 default: 212 return CVT_FAIL|CVT_BADFMT; 213 } 214 215 return CVT_OK; 216 } 217 218 /* 219 * parse_inp_fnc_t inp_hopf6021 220 * 221 * grab data from input stream 222 */ 223 static u_long 224 inp_hopf6021( 225 parse_t *parseio, 226 char ch, 227 timestamp_t *tstamp 228 ) 229 { 230 unsigned int rtc; 231 232 parseprintf(DD_PARSE, ("inp_hopf6021(0x%p, 0x%x, ...)\n", (void*)parseio, ch)); 233 234 switch (ch) 235 { 236 case ETX: 237 parseprintf(DD_PARSE, ("inp_hopf6021: EOL seen\n")); 238 parseio->parse_dtime.parse_stime = *tstamp; /* collect timestamp */ 239 if ((rtc = parse_addchar(parseio, ch)) == PARSE_INP_SKIP) 240 return parse_end(parseio); 241 else 242 return rtc; 243 244 default: 245 return parse_addchar(parseio, ch); 246 } 247 } 248 249 #else /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */ 250 int clk_hopf6021_bs; 251 #endif /* not (REFCLOCK && CLOCK_PARSE && CLOCK_HOPF6021) */ 252 253 /* 254 * History: 255 * 256 * clk_hopf6021.c,v 257 * Revision 4.10 2004/11/14 15:29:41 kardel 258 * support PPSAPI, upgrade Copyright to Berkeley style 259 * 260 * Revision 4.7 1999/11/28 09:13:49 kardel 261 * RECON_4_0_98F 262 * 263 * Revision 4.6 1998/11/15 20:27:57 kardel 264 * Release 4.0.73e13 reconcilation 265 * 266 * Revision 4.5 1998/06/14 21:09:35 kardel 267 * Sun acc cleanup 268 * 269 * Revision 4.4 1998/06/13 12:02:38 kardel 270 * fix SYSV clock name clash 271 * 272 * Revision 4.3 1998/06/12 15:22:27 kardel 273 * fix prototypes 274 * 275 * Revision 4.2 1998/06/12 09:13:25 kardel 276 * conditional compile macros fixed 277 * printf prototype 278 * 279 * Revision 4.1 1998/05/24 09:39:52 kardel 280 * implementation of the new IO handling model 281 * 282 * Revision 4.0 1998/04/10 19:45:29 kardel 283 * Start 4.0 release version numbering 284 * 285 * from V3 3.6 log info deleted 1998/04/11 kardel 286 */ 287