1 // radiostack.hxx -- class to manage an instance of the radio stack
3 // Written by Curtis Olson, started April 2000.
5 // Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #ifndef _FG_RADIOSTACK_HXX
25 #define _FG_RADIOSTACK_HXX
28 #include <Main/fgfs.hxx>
29 #include <Main/fg_props.hxx>
31 #include <simgear/compiler.h>
33 #include <simgear/math/interpolater.hxx>
35 #include <Navaids/ilslist.hxx>
36 #include <Navaids/navlist.hxx>
37 #include <Sound/morse.hxx>
40 class FGRadioStack : public FGSubsystem
44 SGInterpTable *term_tbl;
45 SGInterpTable *low_tbl;
46 SGInterpTable *high_tbl;
48 SGValue * latitudeVal;
49 SGValue * longitudeVal;
50 SGValue * altitudeVal;
55 string nav1_trans_ident;
64 double nav1_sel_radial;
85 double nav1_effective_range;
87 double nav1_target_gs;
93 string nav2_trans_ident;
100 double nav2_alt_freq;
102 double nav2_sel_radial;
108 double nav2_loc_dist;
120 double nav2_dme_dist;
123 double nav2_effective_range;
125 double nav2_target_gs;
135 string adf_trans_ident;
145 double adf_effective_range;
154 // model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
155 double adjustNavRange( double stationElev, double aircraftElev,
156 double nominalRange );
158 // model standard ILS service volumes as per AIM 1-1-9
159 double adjustILSRange( double stationElev, double aircraftElev,
160 double offsetDegrees, double distance );
172 // Update nav/adf radios based on current postition
176 inline void set_nav1_freq( double freq ) {
177 nav1_freq = freq; need_update = true;
179 inline void set_nav1_alt_freq( double freq ) { nav1_alt_freq = freq; }
180 inline void set_nav1_sel_radial( double radial ) {
181 nav1_sel_radial = radial; need_update = true;
183 inline void set_nav1_vol_btn( double val ) {
184 if ( val < 0.0 ) val = 0.0;
185 if ( val > 1.0 ) val = 1.0;
188 inline void set_nav1_ident_btn( bool val ) { nav1_ident_btn = val; }
191 inline void set_nav2_freq( double freq ) {
192 nav2_freq = freq; need_update = true;
194 inline void set_nav2_alt_freq( double freq ) { nav2_alt_freq = freq; }
195 inline void set_nav2_sel_radial( double radial ) {
196 nav2_sel_radial = radial; need_update = true;
198 inline void set_nav2_vol_btn( double val ) {
199 if ( val < 0.0 ) val = 0.0;
200 if ( val > 1.0 ) val = 1.0;
203 inline void set_nav2_ident_btn( bool val ) { nav2_ident_btn = val; }
206 inline void set_adf_freq( double freq ) {
207 adf_freq = freq; need_update = true;
209 inline void set_adf_alt_freq( double freq ) { adf_alt_freq = freq; }
210 inline void set_adf_rotation( double rot ) { adf_rotation = rot; }
211 inline void set_adf_vol_btn( double val ) {
212 if ( val < 0.0 ) val = 0.0;
213 if ( val > 1.0 ) val = 1.0;
216 inline void set_adf_ident_btn( bool val ) { adf_ident_btn = val; }
220 inline double get_nav1_freq () const { return nav1_freq; }
221 inline double get_nav1_alt_freq () const { return nav1_alt_freq; }
222 inline double get_nav1_sel_radial() const { return nav1_sel_radial; }
225 inline double get_nav2_freq () const { return nav2_freq; }
226 inline double get_nav2_alt_freq () const { return nav2_alt_freq; }
227 inline double get_nav2_sel_radial() const { return nav2_sel_radial; }
230 inline double get_adf_freq () const { return adf_freq; }
231 inline double get_adf_alt_freq () const { return adf_alt_freq; }
232 inline double get_adf_rotation () const { return adf_rotation; }
234 // Calculated values.
235 inline bool get_nav1_inrange() const { return nav1_inrange; }
236 bool get_nav1_to_flag () const;
237 bool get_nav1_from_flag () const;
238 inline bool get_nav1_has_dme() const { return nav1_has_dme; }
239 inline bool get_nav1_dme_inrange () const {
240 return nav1_inrange && nav1_has_dme;
242 inline bool get_nav1_has_gs() const { return nav1_has_gs; }
243 inline bool get_nav1_loc() const { return nav1_loc; }
244 inline double get_nav1_loclon() const { return nav1_loclon; }
245 inline double get_nav1_loclat() const { return nav1_loclat; }
246 inline double get_nav1_loc_dist() const { return nav1_loc_dist; }
247 inline double get_nav1_gslon() const { return nav1_gslon; }
248 inline double get_nav1_gslat() const { return nav1_gslat; }
249 inline double get_nav1_gs_dist() const { return nav1_gs_dist; }
250 inline double get_nav1_dmelon() const { return nav1_dmelon; }
251 inline double get_nav1_dmelat() const { return nav1_dmelat; }
252 inline double get_nav1_dme_dist() const { return nav1_dme_dist; }
253 inline double get_nav1_elev() const { return nav1_elev; }
254 inline double get_nav1_heading() const { return nav1_heading; }
255 inline double get_nav1_radial() const { return nav1_radial; }
256 inline double get_nav1_target_gs() const { return nav1_target_gs; }
257 inline double get_nav1_magvar() const { return nav1_magvar; }
258 double get_nav1_heading_needle_deflection() const;
259 double get_nav1_gs_needle_deflection() const;
260 inline double get_nav1_vol_btn() const { return nav1_vol_btn; }
261 inline bool get_nav1_ident_btn() const { return nav1_ident_btn; }
263 inline bool get_nav2_inrange() const { return nav2_inrange; }
264 bool get_nav2_to_flag () const;
265 bool get_nav2_from_flag () const;
266 inline bool get_nav2_has_dme() const { return nav2_has_dme; }
267 inline bool get_nav2_dme_inrange () const {
268 return nav2_inrange && nav2_has_dme;
270 inline bool get_nav2_has_gs() const { return nav2_has_gs; }
271 inline bool get_nav2_loc() const { return nav2_loc; }
272 inline double get_nav2_loclon() const { return nav2_loclon; }
273 inline double get_nav2_loclat() const { return nav2_loclat; }
274 inline double get_nav2_loc_dist() const { return nav2_loc_dist; }
275 inline double get_nav2_gslon() const { return nav2_gslon; }
276 inline double get_nav2_gslat() const { return nav2_gslat; }
277 inline double get_nav2_gs_dist() const { return nav2_gs_dist; }
278 inline double get_nav2_dmelon() const { return nav2_dmelon; }
279 inline double get_nav2_dmelat() const { return nav2_dmelat; }
280 inline double get_nav2_dme_dist() const { return nav2_dme_dist; }
281 inline double get_nav2_elev() const { return nav2_elev; }
282 inline double get_nav2_heading() const { return nav2_heading; }
283 inline double get_nav2_radial() const { return nav2_radial; }
284 inline double get_nav2_target_gs() const { return nav2_target_gs; }
285 inline double get_nav2_magvar() const { return nav2_magvar; }
286 double get_nav2_heading_needle_deflection() const;
287 double get_nav2_gs_needle_deflection() const;
288 inline double get_nav2_vol_btn() const { return nav2_vol_btn; }
289 inline bool get_nav2_ident_btn() const { return nav2_ident_btn; }
291 inline bool get_adf_inrange() const { return adf_inrange; }
292 inline double get_adf_lon() const { return adf_lon; }
293 inline double get_adf_lat() const { return adf_lat; }
294 inline double get_adf_heading() const { return adf_heading; }
295 inline double get_adf_vol_btn() const { return adf_vol_btn; }
296 inline bool get_adf_ident_btn() const { return adf_ident_btn; }
300 extern FGRadioStack *current_radiostack;
302 #endif // _FG_RADIOSTACK_HXX