Paparazzi UAS  v5.18.0_stable
Paparazzi is a free software Unmanned Aircraft System.
pprz_geodetic_wmm2020.h
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1 /*
2  * Copyright (C) 2012 Sergey Krukowski <softsr@yahoo.de>
3  * Copyright (C) 2020 OpenUAS <info@openuas.org>
4  *
5  * This file is part of paparazzi.
6  *
7  * paparazzi is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2, or (at your option)
10  * any later version.
11  *
12  * paparazzi is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with paparazzi; see the file COPYING. If not, see
19  * <http://www.gnu.org/licenses/>.
20  */
21 
34 #ifndef WMM2020_H
35 #define WMM2020_H
36 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 #define WMM2020_FRAC 2
42 #define N_MAX_OF_GH 12
43 
44 // Geo mag current observation epoch begin
45 #define GEO_EPOCH 2020.
46 #define YR_MIN 2020.
47 #define YR_MAX 2025.
48 #define NMAX_1 12
49 #define NMAX_2 12
50 
51 #define IEXT 0
52 #define EXT_COEFF1 (double)0
53 #define EXT_COEFF2 (double)0
54 #define EXT_COEFF3 (double)0
55 
57 #define GPS_EPOCH_BEGIN (double)1980.016393442623
58 #define GPS_EPOCH_YEAR 1980
59 #define GPS_EPOCH_MONTH 1
60 #define GPS_EPOCH_DAY 6
61 
62 
63 #define WEEKS_IN_YEAR 52.14285
64 #define SECS_IN_YEAR 31536000
65 
66 #define MAXDEG 13
67 #define MAXCOEFF (MAXDEG*(MAXDEG+2)+1)
68 
69 extern const double gh1[];
70 extern const double gh2[];
71 
72 int16_t extrapsh(double date, double dte1, int16_t nmax1, int16_t nmax2, double *gh);
73 int16_t mag_calc(int16_t igdgc, double flat, double flon, double elev, int16_t nmax,
74  double *gh, double *geo_mag_x, double *geo_mag_y, double *geo_mag_z,
75  int16_t iext, double ext1, double ext2, double ext3);
76 
77 #ifdef __cplusplus
78 } /* extern "C" */
79 #endif
80 
81 #endif /* WMM2020_H */
82 
extrapsh
int16_t extrapsh(double date, double dte1, int16_t nmax1, int16_t nmax2, double *gh)
Definition: pprz_geodetic_wmm2020.c:64
int16_t
signed short int16_t
Definition: types.h:17
gh1
const double gh1[]
Definition: pprz_geodetic_wmm2020.c:32
gh2
const double gh2[]
Definition: pprz_geodetic_wmm2020.c:48
mag_calc
int16_t mag_calc(int16_t igdgc, double flat, double flon, double elev, int16_t nmax, double *gh, double *geo_mag_x, double *geo_mag_y, double *geo_mag_z, int16_t iext, double ext1, double ext2, double ext3)
Definition: pprz_geodetic_wmm2020.c:105