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>
34 #include <simgear/timing/timestamp.hxx>
36 #include <Navaids/ilslist.hxx>
37 #include <Navaids/navlist.hxx>
38 #include <Sound/beacon.hxx>
39 #include <Sound/morse.hxx>
41 #include "kr_87.hxx" // ADF
43 class FGRadioStack : public FGSubsystem
48 SGInterpTable *term_tbl;
49 SGInterpTable *low_tbl;
50 SGInterpTable *high_tbl;
52 SGPropertyNode *lon_node;
53 SGPropertyNode *lat_node;
54 SGPropertyNode *alt_node;
62 double comm1_alt_freq;
71 double comm1_effective_range;
77 double comm2_alt_freq;
86 double comm2_effective_range;
89 string nav1_trans_ident;
98 double nav1_sel_radial;
104 double nav1_loc_dist;
111 SGTimeStamp prev_time;
112 SGTimeStamp curr_time;
115 double nav1_effective_range;
117 double nav1_target_gs;
123 string nav2_trans_ident;
130 double nav2_alt_freq;
132 double nav2_sel_radial;
138 double nav2_loc_dist;
147 double nav2_effective_range;
149 double nav2_target_gs;
161 double dme_effective_range;
166 double dme_prev_dist;
169 SGTimeStamp dme_last_time;
180 FGKR_87 adf; // King KR 87 Digital ADF model
182 // model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
183 double adjustNavRange( double stationElev, double aircraftElev,
184 double nominalRange );
186 // model standard ILS service volumes as per AIM 1-1-9
187 double adjustILSRange( double stationElev, double aircraftElev,
188 double offsetDegrees, double distance );
198 void update (double dt);
200 // Update nav/adf radios based on current postition
204 inline void set_comm1_freq( double freq ) {
205 comm1_freq = freq; need_update = true;
207 inline void set_comm1_alt_freq( double freq ) { comm1_alt_freq = freq; }
208 inline void set_comm1_vol_btn( double val ) {
209 if ( val < 0.0 ) val = 0.0;
210 if ( val > 1.0 ) val = 1.0;
213 inline void set_comm1_ident_btn( bool val ) { comm1_ident_btn = val; }
216 inline void set_comm2_freq( double freq ) {
217 comm2_freq = freq; need_update = true;
219 inline void set_comm2_alt_freq( double freq ) { comm2_alt_freq = freq; }
220 inline void set_comm2_vol_btn( double val ) {
221 if ( val < 0.0 ) val = 0.0;
222 if ( val > 1.0 ) val = 1.0;
225 inline void set_comm2_ident_btn( bool val ) { comm2_ident_btn = val; }
228 inline void set_nav1_freq( double freq ) {
229 nav1_freq = freq; need_update = true;
231 inline void set_nav1_alt_freq( double freq ) { nav1_alt_freq = freq; }
232 inline void set_nav1_sel_radial( double radial ) {
233 nav1_sel_radial = radial; need_update = true;
235 inline void set_nav1_vol_btn( double val ) {
236 if ( val < 0.0 ) val = 0.0;
237 if ( val > 1.0 ) val = 1.0;
240 inline void set_nav1_ident_btn( bool val ) { nav1_ident_btn = val; }
243 inline void set_nav2_freq( double freq ) {
244 nav2_freq = freq; need_update = true;
246 inline void set_nav2_alt_freq( double freq ) { nav2_alt_freq = freq; }
247 inline void set_nav2_sel_radial( double radial ) {
248 nav2_sel_radial = radial; need_update = true;
250 inline void set_nav2_vol_btn( double val ) {
251 if ( val < 0.0 ) val = 0.0;
252 if ( val > 1.0 ) val = 1.0;
255 inline void set_nav2_ident_btn( bool val ) { nav2_ident_btn = val; }
258 inline void set_dme_freq (double freq) {
259 dme_freq = freq; need_update = true;
263 inline double get_comm1_freq () const { return comm1_freq; }
264 inline double get_comm1_alt_freq () const { return comm1_alt_freq; }
267 inline double get_comm2_freq () const { return comm2_freq; }
268 inline double get_comm2_alt_freq () const { return comm2_alt_freq; }
271 inline double get_nav1_freq () const { return nav1_freq; }
272 inline double get_nav1_alt_freq () const { return nav1_alt_freq; }
273 inline double get_nav1_sel_radial() const { return nav1_sel_radial; }
276 inline double get_nav2_freq () const { return nav2_freq; }
277 inline double get_nav2_alt_freq () const { return nav2_alt_freq; }
278 inline double get_nav2_sel_radial() const { return nav2_sel_radial; }
281 inline double get_dme_freq () const { return dme_freq; }
283 // Marker Beacon Accessors
284 inline bool get_inner_blink () const { return inner_blink; }
285 inline bool get_middle_blink () const { return middle_blink; }
286 inline bool get_outer_blink () const { return outer_blink; }
288 // Calculated values.
289 inline bool get_comm1_inrange() const { return comm1_inrange; }
290 inline double get_comm1_vol_btn() const { return comm1_vol_btn; }
291 inline bool get_comm1_ident_btn() const { return comm1_ident_btn; }
293 inline bool get_comm2_inrange() const { return comm2_inrange; }
294 inline double get_comm2_vol_btn() const { return comm2_vol_btn; }
295 inline bool get_comm2_ident_btn() const { return comm2_ident_btn; }
297 inline bool get_nav1_inrange() const { return nav1_inrange; }
298 bool get_nav1_to_flag () const;
299 bool get_nav1_from_flag () const;
300 inline bool get_nav1_has_dme() const { return nav1_has_dme; }
301 inline bool get_nav1_dme_inrange () const {
302 return nav1_inrange && nav1_has_dme;
304 inline bool get_nav1_has_gs() const { return nav1_has_gs; }
305 inline bool get_nav1_loc() const { return nav1_loc; }
306 inline double get_nav1_loclon() const { return nav1_loclon; }
307 inline double get_nav1_loclat() const { return nav1_loclat; }
308 inline double get_nav1_loc_dist() const { return nav1_loc_dist; }
309 inline double get_nav1_gslon() const { return nav1_gslon; }
310 inline double get_nav1_gslat() const { return nav1_gslat; }
311 inline double get_nav1_gs_dist() const { return nav1_gs_dist; }
312 inline double get_nav1_elev() const { return nav1_elev; }
313 inline double get_nav1_heading() const { return nav1_heading; }
314 inline double get_nav1_radial() const { return nav1_radial; }
315 inline double get_nav1_target_gs() const { return nav1_target_gs; }
316 inline double get_nav1_magvar() const { return nav1_magvar; }
317 double get_nav1_heading_needle_deflection() const;
318 double get_nav1_gs_needle_deflection() const;
319 inline double get_nav1_vol_btn() const { return nav1_vol_btn; }
320 inline bool get_nav1_ident_btn() const { return nav1_ident_btn; }
322 inline bool get_nav2_inrange() const { return nav2_inrange; }
323 bool get_nav2_to_flag () const;
324 bool get_nav2_from_flag () const;
325 inline bool get_nav2_has_dme() const { return nav2_has_dme; }
326 inline bool get_nav2_dme_inrange () const {
327 return nav2_inrange && nav2_has_dme;
329 inline bool get_nav2_has_gs() const { return nav2_has_gs; }
330 inline bool get_nav2_loc() const { return nav2_loc; }
331 inline double get_nav2_loclon() const { return nav2_loclon; }
332 inline double get_nav2_loclat() const { return nav2_loclat; }
333 inline double get_nav2_loc_dist() const { return nav2_loc_dist; }
334 inline double get_nav2_gslon() const { return nav2_gslon; }
335 inline double get_nav2_gslat() const { return nav2_gslat; }
336 inline double get_nav2_gs_dist() const { return nav2_gs_dist; }
337 inline double get_nav2_elev() const { return nav2_elev; }
338 inline double get_nav2_heading() const { return nav2_heading; }
339 inline double get_nav2_radial() const { return nav2_radial; }
340 inline double get_nav2_target_gs() const { return nav2_target_gs; }
341 inline double get_nav2_magvar() const { return nav2_magvar; }
342 double get_nav2_heading_needle_deflection() const;
343 double get_nav2_gs_needle_deflection() const;
344 inline double get_nav2_vol_btn() const { return nav2_vol_btn; }
345 inline bool get_nav2_ident_btn() const { return nav2_ident_btn; }
347 inline bool get_dme_inrange () const { return dme_inrange; }
348 inline double get_dme_dist () const { return dme_dist; }
349 inline double get_dme_spd () const { return dme_spd; }
350 inline double get_dme_ete () const { return dme_ete; }
354 extern FGRadioStack *current_radiostack;
356 #endif // _FG_RADIOSTACK_HXX