1 // dme.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_TACAN_HXX
8 #define __INSTRUMENTS_TACAN_HXX 1
11 # error This library requires C++
14 #include <simgear/math/point3d.hxx>
15 #include <simgear/props/props.hxx>
16 #include <simgear/structure/subsystem_mgr.hxx>
20 * Model a TACAN radio.
24 * /position/longitude-deg
25 * /position/latitude-deg
26 * /position/altitude-ft
28 * /systems/electrical/outputs/TACAN
29 * /instrumentation/"name"/serviceable
30 * /instrumentation/"name"/frequencies/selected-mhz
34 * /instrumentation/"name"/in-range
35 * /instrumentation/"name"/indicated-distance-nm
36 * /instrumentation/"name"/indicated-ground-speed-kt
37 * /instrumentation/"name"/indicated-time-kt
39 class TACAN : public SGSubsystem, public SGPropertyChangeListener
44 TACAN ( SGPropertyNode *node );
48 virtual void update (double delta_time_sec);
52 void search (double frequency, double longitude_rad,
53 double latitude_rad, double altitude_m);
54 double searchChannel (const string& channel);
55 void valueChanged (SGPropertyNode *);
60 SGPropertyNode_ptr _longitude_node;
61 SGPropertyNode_ptr _latitude_node;
62 SGPropertyNode_ptr _altitude_node;
63 SGPropertyNode_ptr _heading_node;
64 SGPropertyNode_ptr _yaw_node;
65 SGPropertyNode_ptr _serviceable_node;
66 SGPropertyNode_ptr _electrical_node;
67 SGPropertyNode_ptr _frequency_node;
68 SGPropertyNode_ptr _display_node;
69 SGPropertyNode_ptr _x_shift_node;
70 SGPropertyNode_ptr _y_shift_node;
71 SGPropertyNode_ptr _rotation_node;
73 SGPropertyNode_ptr _in_range_node;
74 SGPropertyNode_ptr _distance_node;
75 SGPropertyNode_ptr _speed_node;
76 SGPropertyNode_ptr _time_node;
77 SGPropertyNode_ptr _bearing_node;
78 SGPropertyNode_ptr _ident_node;
79 SGPropertyNode_ptr _name_node;
81 SGPropertyNode_ptr _channel_node;
82 SGPropertyNode_ptr _channel_in0_node;
83 SGPropertyNode_ptr _channel_in1_node;
84 SGPropertyNode_ptr _channel_in2_node;
85 SGPropertyNode_ptr _channel_in3_node;
86 SGPropertyNode_ptr _channel_in4_node;
88 SGPropertyNode_ptr _carrier_name_node; // FIXME unused
89 SGPropertyNode_ptr _tanker_callsign_node; // FIXME
90 SGPropertyNode_ptr _mp_callsign_node; // FIXME
94 double _last_distance_nm;
95 double _frequency_mhz;
96 double _time_before_search_sec;
99 bool _transmitter_valid;
101 SGVec3d _transmitter;
102 SGGeod _transmitter_pos;
103 double _transmitter_range_nm;
104 double _transmitter_bearing_deg;
105 double _transmitter_bias;
106 string _transmitter_name;
107 string _transmitter_ident;
109 double _mobile_lat, _mobile_lon;
110 double _mobile_elevation_ft;
111 double _mobile_range_nm;
112 double _mobile_bearing_deg;
115 string _mobile_ident;
117 int _listener_active;
121 #endif // __INSTRUMENTS_TACAN_HXX