GNSS-SDR 0.0.21
An Open Source GNSS Software Defined Receiver
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galileo_fnav_message.h
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1/*!
2 * \file galileo_fnav_message.h
3 * \brief Implementation of a Galileo F/NAV Data message
4 * as described in Galileo OS SIS ICD Issue 1.2 (Nov. 2015)
5 * \author Marc Sales, 2014. marcsales92(at)gmail.com
6 * \based on work from:
7 * <ul>
8 * <li> Javier Arribas, 2011. jarribas(at)cttc.es
9 * </ul>
10 *
11 *
12 * -----------------------------------------------------------------------------
13 *
14 * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
15 * This file is part of GNSS-SDR.
16 *
17 * Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
18 * SPDX-License-Identifier: GPL-3.0-or-later
19 *
20 * -----------------------------------------------------------------------------
21 */
22
23#ifndef GNSS_SDR_GALILEO_FNAV_MESSAGE_H
24#define GNSS_SDR_GALILEO_FNAV_MESSAGE_H
25
26
27#include "Galileo_E5a.h"
28#include "Galileo_FNAV.h"
29#include "galileo_almanac_helper.h"
30#include "galileo_ephemeris.h"
31#include "galileo_iono.h"
32#include "galileo_utc_model.h"
33#include <bitset>
34#include <cstdint>
35#include <string>
36#include <utility>
37#include <vector>
38
39/** \addtogroup Core
40 * \{ */
41/** \addtogroup System_Parameters
42 * \{ */
43
44
45/*!
46 * \brief This class handles the Galileo F/NAV Data message, as described in the
47 * Galileo Open Service Signal in Space Interface Control Document (OS SIS ICD), Issue 2.0 (Jan. 2021).
48 * See https://www.gsc-europa.eu/sites/default/files/sites/all/files/Galileo_OS_SIS_ICD_v2.0.pdf
49 */
50class Galileo_Fnav_Message
51{
52public:
53 Galileo_Fnav_Message() = default;
54
55 void split_page(const std::string& page_string);
56 bool have_new_ephemeris();
57 bool have_new_iono_and_GST();
58 bool have_new_utc_model();
59 bool have_new_almanac();
60 Galileo_Ephemeris get_ephemeris() const;
61 Galileo_Iono get_iono() const;
62 Galileo_Utc_Model get_utc_model() const;
63 Galileo_Almanac_Helper get_almanac() const;
64
65 inline int32_t get_TOW1() const
66 {
67 return FNAV_TOW_1;
68 }
69
70 inline int32_t get_TOW2() const
71 {
72 return FNAV_TOW_2;
73 }
74
75 inline int32_t get_TOW3() const
76 {
77 return FNAV_TOW_3;
78 }
79
80 inline int32_t get_TOW4() const
81 {
82 return FNAV_TOW_4;
83 }
84
85 inline bool get_flag_CRC_test() const
86 {
87 return flag_CRC_test;
88 }
89
90 inline bool get_flag_TOW_set() const
91 {
92 return flag_TOW_set;
93 }
94
95 inline void set_flag_TOW_set(bool flag_tow)
96 {
97 flag_TOW_set = flag_tow;
98 }
99
100 inline bool is_TOW1_set() const
101 {
102 return flag_TOW_1;
103 }
104
105 inline void set_TOW1_flag(bool flag_tow1)
106 {
107 flag_TOW_1 = flag_tow1;
108 }
109
110 inline bool is_TOW2_set() const
111 {
112 return flag_TOW_2;
113 }
114
115 inline void set_TOW2_flag(bool flag_tow2)
116 {
117 flag_TOW_2 = flag_tow2;
118 }
119
120 inline bool is_TOW3_set() const
121 {
122 return flag_TOW_3;
123 }
124
125 inline void set_TOW3_flag(bool flag_tow3)
126 {
127 flag_TOW_3 = flag_tow3;
128 }
129
130 inline bool is_TOW4_set() const
131 {
132 return flag_TOW_4;
133 }
134
135 inline void set_TOW4_flag(bool flag_tow4)
136 {
137 flag_TOW_4 = flag_tow4;
138 }
139
140private:
141 bool CRC_test(const std::bitset<GALILEO_FNAV_DATA_FRAME_BITS>& bits, uint32_t checksum) const;
142 void decode_page(const std::string& data);
143 uint64_t read_navigation_unsigned(const std::bitset<GALILEO_FNAV_DATA_FRAME_BITS>& bits, const std::vector<std::pair<int32_t, int32_t>>& parameter) const;
144 int64_t read_navigation_signed(const std::bitset<GALILEO_FNAV_DATA_FRAME_BITS>& bits, const std::vector<std::pair<int32_t, int32_t>>& parameter) const;
145
146 std::string omega0_1{};
147 // std::string omega0_2{};
148 // bool omega_flag{};
149
150 int32_t IOD_ephemeris{};
151
152 int32_t page_type{};
153 // WORD 1 SVID, Clock correction, SISA, Ionospheric correction, BGD, GST, Signal
154 // health and Data validity status
155 int32_t FNAV_SV_ID_PRN_1{};
156 int32_t FNAV_IODnav_1{};
157 int32_t FNAV_t0c_1{};
158 double FNAV_af0_1{};
159 double FNAV_af1_1{};
160 double FNAV_af2_1{};
161 int32_t FNAV_SISA_1{};
162 double FNAV_ai0_1{};
163 double FNAV_ai1_1{};
164 double FNAV_ai2_1{};
165 double FNAV_BGD_1{};
166 int32_t FNAV_E5ahs_1{};
167 int32_t FNAV_WN_1{};
168 int32_t FNAV_TOW_1{};
169 bool FNAV_region1_1{};
170 bool FNAV_region2_1{};
171 bool FNAV_region3_1{};
172 bool FNAV_region4_1{};
173 bool FNAV_region5_1{};
174 bool FNAV_E5advs_1{};
175
176 // WORD 2 Ephemeris (1/3) and GST
177 int32_t FNAV_IODnav_2{};
178 double FNAV_M0_2{};
179 double FNAV_omegadot_2{};
180 double FNAV_e_2{};
181 double FNAV_a12_2{};
182 double FNAV_omega0_2{};
183 double FNAV_idot_2{};
184 int32_t FNAV_WN_2{};
185 int32_t FNAV_TOW_2{};
186
187 // WORD 3 Ephemeris (2/3) and GST
188 int32_t FNAV_IODnav_3{};
189 double FNAV_i0_3{};
190 double FNAV_w_3{};
191 double FNAV_deltan_3{};
192 double FNAV_Cuc_3{};
193 double FNAV_Cus_3{};
194 double FNAV_Crc_3{};
195 double FNAV_Crs_3{};
196 int32_t FNAV_t0e_3{};
197 int32_t FNAV_WN_3{};
198 int32_t FNAV_TOW_3{};
199
200 // WORD 4 Ephemeris (3/3), GST-UTC conversion, GST-GPS conversion and TOW.
201 // Note that the clock is repeated in this page type
202 int32_t FNAV_IODnav_4{};
203 double FNAV_Cic_4{};
204 double FNAV_Cis_4{};
205 double FNAV_A0_4{};
206 double FNAV_A1_4{};
207 int32_t FNAV_deltatls_4{};
208 int32_t FNAV_t0t_4{};
209 int32_t FNAV_WNot_4{};
210 int32_t FNAV_WNlsf_4{};
211 int32_t FNAV_DN_4{};
212 int32_t FNAV_deltatlsf_4{};
213 int32_t FNAV_t0g_4{};
214 double FNAV_A0g_4{};
215 double FNAV_A1g_4{};
216 int32_t FNAV_WN0g_4{};
217 int32_t FNAV_TOW_4{};
218
219 // WORD 5 Almanac (SVID1 and SVID2(1/2)), Week Number and almanac reference time
220 int32_t FNAV_IODa_5{};
221 int32_t FNAV_WNa_5{};
222 int32_t FNAV_t0a_5{};
223 int32_t FNAV_SVID1_5{};
224 double FNAV_Deltaa12_1_5{};
225 double FNAV_e_1_5{};
226 double FNAV_w_1_5{};
227 double FNAV_deltai_1_5{};
228 double FNAV_Omega0_1_5{};
229 double FNAV_Omegadot_1_5{};
230 double FNAV_M0_1_5{};
231 double FNAV_af0_1_5{};
232 double FNAV_af1_1_5{};
233 uint32_t FNAV_E5ahs_1_5{};
234 int32_t FNAV_SVID2_5{};
235 double FNAV_Deltaa12_2_5{};
236 double FNAV_e_2_5{};
237 double FNAV_w_2_5{};
238 double FNAV_deltai_2_5{};
239
240 // WORD 6 Almanac (SVID2(2/2) and SVID3)
241 int32_t FNAV_IODa_6{};
242 double FNAV_Omega0_2_6{};
243 double FNAV_Omegadot_2_6{};
244 double FNAV_M0_2_6{};
245 double FNAV_af0_2_6{};
246 double FNAV_af1_2_6{};
247 int32_t FNAV_E5ahs_2_6{};
248 int32_t FNAV_SVID3_6{};
249 double FNAV_Deltaa12_3_6{};
250 double FNAV_e_3_6{};
251 double FNAV_w_3_6{};
252 double FNAV_deltai_3_6{};
253 double FNAV_Omega0_3_6{};
254 double FNAV_Omegadot_3_6{};
255 double FNAV_M0_3_6{};
256 double FNAV_af0_3_6{};
257 double FNAV_af1_3_6{};
258 int32_t FNAV_E5ahs_3_6{};
259
260 bool flag_CRC_test{};
261 bool flag_all_ephemeris{}; // Flag indicating that all words containing ephemeris have been received
262 bool flag_ephemeris_1{}; // Flag indicating that ephemeris 1/3 (word 2) have been received
263 bool flag_ephemeris_2{}; // Flag indicating that ephemeris 2/3 (word 3) have been received
264 bool flag_ephemeris_3{}; // Flag indicating that ephemeris 3/3 (word 4) have been received
265
266 bool flag_iono_and_GST{}; // Flag indicating that ionospheric and GST parameters (word 1) have been received
267 bool flag_TOW_1{};
268 bool flag_TOW_2{};
269 bool flag_TOW_3{};
270 bool flag_TOW_4{};
271 bool flag_TOW_set{}; // it is true when page 1,2,3 or 4 arrives
272 bool flag_utc_model{}; // Flag indicating that utc model parameters (word 4) have been received
273
274 bool flag_all_almanac{}; // Flag indicating that all Almanac data have been received
275 bool flag_almanac_1{}; // Flag indicating that almanac 1/2 (word 5) have been received
276 bool flag_almanac_2{}; // Flag indicating that almanac 2/2 (word 6) have been received
277};
278
279
280/** \} */
281/** \} */
282#endif // GNSS_SDR_GALILEO_FNAV_MESSAGE_H
Galileo_E5a.h
Defines system parameters for Galileo E5a signal and NAV data.
Galileo_FNAV.h
Galileo FNAV message constants.
Galileo_Almanac_Helper
This class is a storage for the GALILEO ALMANAC data as described in GALILEO ICD.
Definition galileo_almanac_helper.h:35
Galileo_Ephemeris
This class is a storage and orbital model functions for the Galileo SV ephemeris data as described in...
Definition galileo_ephemeris.h:40
Galileo_Iono
This class is a storage for the GALILEO IONOSPHERIC data as described in Galileo ICD paragraph 5....
Definition galileo_iono.h:38
Galileo_Utc_Model
This class is a storage for the GALILEO UTC MODEL data as described in Galileo ICD https://www....
Definition galileo_utc_model.h:37
galileo_almanac_helper.h
Interface of a Galileo ALMANAC storage helper.
galileo_ephemeris.h
Interface of a Galileo EPHEMERIS storage.
galileo_iono.h
Interface of a Galileo Ionospheric Model storage.
galileo_utc_model.h
Interface of a Galileo UTC MODEL storage.
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