1 // gps.hxx - distance-measuring equipment.
2 // Written by David Megginson, started 2003.
4 // This file is in the Public Domain and comes with no warranty.
7 #ifndef __INSTRUMENTS_GPS_HXX
8 #define __INSTRUMENTS_GPS_HXX 1
11 # error This library requires C++
14 #include <simgear/props/props.hxx>
15 #include <simgear/structure/subsystem_mgr.hxx>
23 * /position/longitude-deg
24 * /position/latitude-deg
25 * /position/altitude-ft
26 * /environment/magnetic-variation-deg
27 * /systems/electrical/outputs/gps
28 * /instrumentation/gps/serviceable
30 * /instrumentation/gps/wp-longitude-deg
31 * /instrumentation/gps/wp-latitude-deg
32 * /instrumentation/gps/wp-ID
33 * /instrumentation/gps/wp-name
34 * /instrumentation/gps/desired-course-deg
35 * /instrumentation/gps/get-nearest-airport
36 * /instrumentation/gps/waypoint-type
37 * /instrumentation/gps/tracking-bug
41 * /instrumentation/gps/indicated-longitude-deg
42 * /instrumentation/gps/indicated-latitude-deg
43 * /instrumentation/gps/indicated-altitude-ft
44 * /instrumentation/gps/indicated-track-true-deg
45 * /instrumentation/gps/indicated-track-magnetic-deg
46 * /instrumentation/gps/indicated-ground-speed-kt
48 * /instrumentation/gps/wp-distance-nm
49 * /instrumentation/gps/wp-bearing-deg
50 * /instrumentation/gps/wp-bearing-mag-deg
51 * /instrumentation/gps/TTW
52 * /instrumentation/gps/course-deviation-deg
53 * /instrumentation/gps/course-error-nm
54 * /instrumentation/gps/to-flag
55 * /instrumentation/gps/odometer
56 * /instrumentation/gps/trip-odometer
57 * /instrumentation/gps/true-bug-error-deg
58 * /instrumentation/gps/magnetic-bug-error-deg
60 class GPS : public SGSubsystem
69 virtual void update (double delta_time_sec);
73 void search (double frequency, double longitude_rad,
74 double latitude_rad, double altitude_m);
76 double deg360 (double deg);
77 double deg180 (double deg);
78 double deg90 (double deg);
80 SGPropertyNode_ptr _longitude_node;
81 SGPropertyNode_ptr _latitude_node;
82 SGPropertyNode_ptr _altitude_node;
83 SGPropertyNode_ptr _magvar_node;
84 SGPropertyNode_ptr _serviceable_node;
85 SGPropertyNode_ptr _electrical_node;
86 SGPropertyNode_ptr _wp_longitude_node;
87 SGPropertyNode_ptr _wp_latitude_node;
88 SGPropertyNode_ptr _wp_ID_node;
89 SGPropertyNode_ptr _wp_name_node;
90 SGPropertyNode_ptr _wp_course_node;
91 SGPropertyNode_ptr _get_nearest_airport_node;
92 SGPropertyNode_ptr _waypoint_type_node;
93 SGPropertyNode_ptr _tracking_bug_node;
95 SGPropertyNode_ptr _raim_node;
96 SGPropertyNode_ptr _indicated_longitude_node;
97 SGPropertyNode_ptr _indicated_latitude_node;
98 SGPropertyNode_ptr _indicated_altitude_node;
99 SGPropertyNode_ptr _true_track_node;
100 SGPropertyNode_ptr _magnetic_track_node;
101 SGPropertyNode_ptr _speed_node;
102 SGPropertyNode_ptr _wp_distance_node;
103 SGPropertyNode_ptr _wp_ttw_node;
104 SGPropertyNode_ptr _wp_bearing_node;
105 SGPropertyNode_ptr _wp_mag_bearing_node;
106 SGPropertyNode_ptr _wp_course_deviation_node;
107 SGPropertyNode_ptr _wp_course_error_nm_node;
108 SGPropertyNode_ptr _wp_to_flag_node;
109 SGPropertyNode_ptr _odometer_node;
110 SGPropertyNode_ptr _trip_odometer_node;
111 SGPropertyNode_ptr _true_bug_error_node;
112 SGPropertyNode_ptr _magnetic_bug_error_node;
115 double _last_longitude_deg;
116 double _last_latitude_deg;
117 double _last_altitude_m;
118 double _last_speed_kts;
121 double _wp_longitude;
127 #endif // __INSTRUMENTS_GPS_HXX