Changeset 293 in ntrip for trunk/BNC/RTIGS/rtigs.h
- Timestamp:
- Nov 12, 2006, 3:32:52 PM (18 years ago)
- File:
-
- 1 edited
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trunk/BNC/RTIGS/rtigs.h (modified) (1 diff)
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trunk/BNC/RTIGS/rtigs.h
r67 r293 1 2 #ifndef RTIGS_H 3 #define RTIGS_H 4 5 #include <QByteArray> 6 7 #include "../RTCM/GPSDecoder.h" 8 #include "cgps_transform.h" 9 10 class rtigs : public GPSDecoder { 11 public: 12 rtigs(); 13 ~rtigs(); 14 void Decode(char* buffer = 0, int bufLen = 0); 15 private: 16 CGPS_Transform _GPSTrans; 17 QByteArray _buffer; 18 } ; 1 /* Defines for the RTIGS <--> Raw Converter 2 * - Source functions 3 * 4 * Copyright (c) 2006 5 * Geoscience Australia 6 * 7 * Written by James Stewart 8 * E-mail: James.Stewart@ga.gov.au 9 * 10 * Enquiries contact 11 * Michael Moore 12 * E-mail: Michael.Moore@ga.gov.au 13 * 14 * Based on the GNU General Public License published Icecast 1.3.12 15 * 16 * This program is free software; you can redistribute it and/or 17 * modify it under the terms of the GNU General Public License 18 * as published by the Free Software Foundation; either version 2 19 * of the License, or (at your option) any later version. 20 * 21 * This program is distributed in the hope that it will be useful, 22 * but WITHOUT ANY WARRANTY; without even the implied warranty of 23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 * GNU General Public License for more details. 25 * 26 * You should have received a copy of the GNU General Public License 27 * along with this program; if not, write to the Free Software 28 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 29 */ 30 #ifndef __RTIGS_H_INCLUDED__ 31 #define __RTIGS_H_INCLUDED__ 1 32 33 typedef unsigned int u_int32_t; 34 typedef unsigned short u_int16_t; 35 typedef unsigned char u_int8_t; 36 typedef unsigned char u_char; 37 38 #define C ((double)299792458.00) /* speed of light in vaccuum */ 39 #define F1 ((double)1575.42E+06) /* GPS L1 frequency */ 40 #define F2 ((double)1227.60E+06) /* GPS L2 frequency */ 41 #define F1_SQUARE (F1 * F1) /* GPS L1 frequency squared */ 42 #define F2_SQUARE (F2 * F2) /* GPS L2 frequency squared */ 43 #define W1 ((double)(C / F1)) /* GPS L1 wavelength */ 44 #define W2 ((double)(C / F2)) /* GPS L2 wavelength */ 45 #define F1ION (F2_SQUARE / (F1_SQUARE - F2_SQUARE)) /* L1 iono scale factor */ 46 #define F2ION (F1_SQUARE / (F1_SQUARE - F2_SQUARE)) /* L2 iono scale factor */ 47 #define SF1 (F1ION + F2ION) 48 #define SF2 (F1ION * 2) 49 #define SF3 (F2ION * 2) 50 #define MAXCYCLEOSL1 374 // changed to fit 83.88 metres 441 Feb. 24/2004 ~100m in cycles was 526 51 #define MAXCYCLEOSL2 291 // changed to fit 83.88 metres 343 Feb. 24/2004 was ~100m in cycles 410 52 53 /* RTIGSH_T Structure -> RTIGS Header structure, Used For Working Out What Sort Of Packet We Got */ 54 struct RTIGSH_T 55 { 56 u_int16_t rec_id; 57 u_int16_t sta_id; 58 u_int32_t GPSTime; 59 u_int16_t num_bytes; 60 u_int8_t IODS; 61 u_int8_t misc; 62 }; 63 64 65 /* RTIGSS_T Structure -> RTIGS Station structure, normally rec_id = 100 */ 66 struct RTIGSS_T 67 { 68 u_int16_t rec_id; 69 u_int16_t sta_id; 70 u_int32_t GPSTime; 71 u_int16_t num_bytes; 72 u_int8_t IODS; 73 u_int8_t sta_rec_type; 74 u_char IGS_UniqueID[8]; 75 }; 76 77 78 /* RTIGSO_T Structure -> RTIGS Observation structure, normally rec_id = 200 */ 79 struct RTIGSO_T 80 { 81 u_int16_t rec_id; 82 u_int16_t sta_id; 83 u_int32_t GPSTime; 84 u_int16_t num_bytes; 85 u_int8_t IODS; 86 u_int8_t num_obs; 87 u_char data[12][21]; 88 }; 89 90 /* RTIGSE_T Structure -> RTIGS Ephemeris structure, normally rec_id = 300 */ 91 struct RTIGSE_T 92 { 93 u_int16_t rec_id; 94 u_int16_t sta_id; 95 u_int32_t GPSTime; 96 u_int16_t num_bytes; 97 u_int8_t IODS; 98 u_int8_t prn; 99 u_char data[72]; 100 }; 101 102 103 /* RTIGSM_T Structure -> RTIGS Met structure, normally rec_id = 400 */ 104 struct RTIGSM_T 105 { 106 u_int16_t rec_id; 107 u_int16_t sta_id; 108 u_int32_t GPSTime; 109 u_int16_t num_bytes; 110 u_int8_t IODS; 111 u_int8_t num_obs; 112 long temp; 113 long press; 114 long humid; 115 }; 116 117 /* The 21 Byte SOC Compressed Observation Structure per SV */ 118 struct JPL_COMP_OBS_T 119 { 120 unsigned char prn; // satellite ID 121 unsigned short epoch_sequence; // like Ashtech seq number of phase epochs 122 // was like this, now modulo 10 hours, 123 // each digit is now 1 sec, not .05 secs like before 124 unsigned char ca_range[5]; // ca range in millimeters 125 // first 4 bits are status bits, as follows 126 // if bit 7 on, sucessful packing of ca_range 127 // if bit 6 on, Z track mode or AS is on 128 // if bit 5 on, overflow of L2_block phase 129 // if bit 4 on, overflow of L1_block phase 130 // next 36 bits are the observable 131 // 68719.476735 is the max allowable obsev. 132 // if not packed, L2_block and L1_block is 133 // just then packed with 0s 134 135 unsigned char CA_snr; // receiver snr for ca in dbHz KML the SNR is (DBHz * 4.25) rounded to an int (max is 60.0) 136 unsigned char L2_range_phase[5]; 137 // first 2 bytes and 2 bits is for the range, next 6 bits and 2 bytes are for phase. 138 // 139 // range units are in millimeters, from -131071 to 131071 (2^17 - 1) 140 // 0000 0000 0000 0000 01 would be +1 mm 141 // 100000000000000001 would be -1 mm 142 // 0100 0000 0000 0000 00 would be 65536 mm 143 // 1100 0000 0000 0000 00 would be -65536 mm 144 // 0111 1111 1111 1111 11 would be 131071 mm 145 // 111111111111111111 woule be -131071 mm 146 // dynamic range must be <= 131.071 meters 147 // 148 // phase units are in 2/100 millimeters from -4194304 to 4194304 149 // 00 0000 0000 0000 0000 0001 would be +.02 mm 150 // 10 0000 0000 0000 0000 0001 would be -.02 mm 151 // 01 1111 1111 1111 1111 1111 ( 2097151) would be 41943.02 mm 152 // 11 1111 1111 1111 1111 1111 (-2097151) would be -41943.02 mm 153 // (2^21 - 1)*2 mm 154 // dynamic range must be <= 41.94302 meters 155 // 156 // note if the limits are exceded, a -0 (minus zero) is returned 157 // indicating not a number 158 // 159 // Note however, we extended this dynamic range to 83.88606 meters as 160 // below with the spare bits in the ca_range field. If this limit 161 // is exceeded we return a -0 ( minus zero ) 162 unsigned char L2_snr; // snr for this data type in dbHz, the SNR is (DBHz * 4.25) rounded to an int (max is 60.0 ) 163 unsigned char L1_range_phase[5]; // same as format for L2_range_phase 164 unsigned char L1_snr; // snr for this data type in dbHz, the SNR is (DBHz * 4.25) rounded to an int (max is 60.0 ) 165 }; 166 167 168 /* GPSSatellite Structure -> 44 Byte raw SV Structure */ 169 struct GPSSatellite 170 { 171 unsigned char prn; 172 unsigned char CASnr; 173 unsigned char L1Snr; 174 unsigned char L2Snr; 175 double CARange; 176 double P1Range; 177 double L1Phase; 178 double P2Range; 179 double L2Phase; 180 unsigned short locktime; 181 }; 182 183 /* GPSEpoch Structure -> raw epoch Structure */ 184 struct GPSEpoch_T 185 { 186 unsigned int GPSTime; 187 unsigned short sta_id; 188 unsigned char num_sv; 189 unsigned char padding; 190 struct GPSSatellite sv[12]; 191 }; 192 193 struct GPSMet_T 194 { 195 unsigned int GPSTime; 196 unsigned short sta_id; 197 long temperature; 198 long humidity; 199 long pressure; 200 }; 201 202 typedef struct RTIGSO_T RTIGSO; 203 typedef struct RTIGSE_T RTIGSE; 204 typedef struct RTIGSS_T RTIGSS; 205 typedef struct RTIGSM_T RTIGSM; 206 typedef struct RTIGSH_T RTIGSH; 207 typedef struct GPSEpoch_T GPSEpoch; 208 typedef struct GPSMet_T GPSMet; 209 210 211 /* Function Declarations */ 212 extern void bytes_to_rtigsh(RTIGSH *rtigsh, unsigned char *packet); 213 extern int rtigso_to_raw(RTIGSO *rtigso, GPSEpoch *gpse); 214 extern int rtigsm_to_raw(RTIGSM *rtigsm, GPSMet *met); 215 216 217 void revbytes(unsigned char *buf, unsigned char size); 19 218 20 219 #endif 220 221
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