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>
42 class FGRadioStack : public FGSubsystem
47 SGInterpTable *term_tbl;
48 SGInterpTable *low_tbl;
49 SGInterpTable *high_tbl;
51 SGPropertyNode *lon_node;
52 SGPropertyNode *lat_node;
53 SGPropertyNode *alt_node;
58 string nav1_trans_ident;
67 double nav1_sel_radial;
80 SGTimeStamp prev_time;
81 SGTimeStamp curr_time;
84 double nav1_effective_range;
86 double nav1_target_gs;
92 string nav2_trans_ident;
101 double nav2_sel_radial;
107 double nav2_loc_dist;
116 double nav2_effective_range;
118 double nav2_target_gs;
130 double dme_effective_range;
135 double dme_prev_dist;
138 SGTimeStamp dme_last_time;
150 string adf_trans_ident;
160 double adf_effective_range;
169 // model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
170 double adjustNavRange( double stationElev, double aircraftElev,
171 double nominalRange );
173 // model standard ILS service volumes as per AIM 1-1-9
174 double adjustILSRange( double stationElev, double aircraftElev,
175 double offsetDegrees, double distance );
187 // Update nav/adf radios based on current postition
191 inline void set_nav1_freq( double freq ) {
192 nav1_freq = freq; need_update = true;
194 inline void set_nav1_alt_freq( double freq ) { nav1_alt_freq = freq; }
195 inline void set_nav1_sel_radial( double radial ) {
196 nav1_sel_radial = radial; need_update = true;
198 inline void set_nav1_vol_btn( double val ) {
199 if ( val < 0.0 ) val = 0.0;
200 if ( val > 1.0 ) val = 1.0;
203 inline void set_nav1_ident_btn( bool val ) { nav1_ident_btn = val; }
206 inline void set_nav2_freq( double freq ) {
207 nav2_freq = freq; need_update = true;
209 inline void set_nav2_alt_freq( double freq ) { nav2_alt_freq = freq; }
210 inline void set_nav2_sel_radial( double radial ) {
211 nav2_sel_radial = radial; need_update = true;
213 inline void set_nav2_vol_btn( double val ) {
214 if ( val < 0.0 ) val = 0.0;
215 if ( val > 1.0 ) val = 1.0;
218 inline void set_nav2_ident_btn( bool val ) { nav2_ident_btn = val; }
221 inline void set_dme_freq (double freq) {
222 dme_freq = freq; need_update = true;
226 inline void set_adf_freq( double freq ) {
227 adf_freq = freq; need_update = true;
229 inline void set_adf_alt_freq( double freq ) { adf_alt_freq = freq; }
230 inline void set_adf_rotation( double rot ) { adf_rotation = rot; }
231 inline void set_adf_vol_btn( double val ) {
232 if ( val < 0.0 ) val = 0.0;
233 if ( val > 1.0 ) val = 1.0;
236 inline void set_adf_ident_btn( bool val ) { adf_ident_btn = val; }
240 inline double get_nav1_freq () const { return nav1_freq; }
241 inline double get_nav1_alt_freq () const { return nav1_alt_freq; }
242 inline double get_nav1_sel_radial() const { return nav1_sel_radial; }
245 inline double get_nav2_freq () const { return nav2_freq; }
246 inline double get_nav2_alt_freq () const { return nav2_alt_freq; }
247 inline double get_nav2_sel_radial() const { return nav2_sel_radial; }
250 inline double get_dme_freq () const { return dme_freq; }
253 inline double get_adf_freq () const { return adf_freq; }
254 inline double get_adf_alt_freq () const { return adf_alt_freq; }
255 inline double get_adf_rotation () const { return adf_rotation; }
257 // Marker Beacon Accessors
258 inline bool get_inner_blink () const { return inner_blink; }
259 inline bool get_middle_blink () const { return middle_blink; }
260 inline bool get_outer_blink () const { return outer_blink; }
262 // Calculated values.
263 inline bool get_nav1_inrange() const { return nav1_inrange; }
264 bool get_nav1_to_flag () const;
265 bool get_nav1_from_flag () const;
266 inline bool get_nav1_has_dme() const { return nav1_has_dme; }
267 inline bool get_nav1_dme_inrange () const {
268 return nav1_inrange && nav1_has_dme;
270 inline bool get_nav1_has_gs() const { return nav1_has_gs; }
271 inline bool get_nav1_loc() const { return nav1_loc; }
272 inline double get_nav1_loclon() const { return nav1_loclon; }
273 inline double get_nav1_loclat() const { return nav1_loclat; }
274 inline double get_nav1_loc_dist() const { return nav1_loc_dist; }
275 inline double get_nav1_gslon() const { return nav1_gslon; }
276 inline double get_nav1_gslat() const { return nav1_gslat; }
277 inline double get_nav1_gs_dist() const { return nav1_gs_dist; }
278 inline double get_nav1_elev() const { return nav1_elev; }
279 inline double get_nav1_heading() const { return nav1_heading; }
280 inline double get_nav1_radial() const { return nav1_radial; }
281 inline double get_nav1_target_gs() const { return nav1_target_gs; }
282 inline double get_nav1_magvar() const { return nav1_magvar; }
283 double get_nav1_heading_needle_deflection() const;
284 double get_nav1_gs_needle_deflection() const;
285 inline double get_nav1_vol_btn() const { return nav1_vol_btn; }
286 inline bool get_nav1_ident_btn() const { return nav1_ident_btn; }
288 inline bool get_nav2_inrange() const { return nav2_inrange; }
289 bool get_nav2_to_flag () const;
290 bool get_nav2_from_flag () const;
291 inline bool get_nav2_has_dme() const { return nav2_has_dme; }
292 inline bool get_nav2_dme_inrange () const {
293 return nav2_inrange && nav2_has_dme;
295 inline bool get_nav2_has_gs() const { return nav2_has_gs; }
296 inline bool get_nav2_loc() const { return nav2_loc; }
297 inline double get_nav2_loclon() const { return nav2_loclon; }
298 inline double get_nav2_loclat() const { return nav2_loclat; }
299 inline double get_nav2_loc_dist() const { return nav2_loc_dist; }
300 inline double get_nav2_gslon() const { return nav2_gslon; }
301 inline double get_nav2_gslat() const { return nav2_gslat; }
302 inline double get_nav2_gs_dist() const { return nav2_gs_dist; }
303 inline double get_nav2_elev() const { return nav2_elev; }
304 inline double get_nav2_heading() const { return nav2_heading; }
305 inline double get_nav2_radial() const { return nav2_radial; }
306 inline double get_nav2_target_gs() const { return nav2_target_gs; }
307 inline double get_nav2_magvar() const { return nav2_magvar; }
308 double get_nav2_heading_needle_deflection() const;
309 double get_nav2_gs_needle_deflection() const;
310 inline double get_nav2_vol_btn() const { return nav2_vol_btn; }
311 inline bool get_nav2_ident_btn() const { return nav2_ident_btn; }
313 inline bool get_dme_inrange () const { return dme_inrange; }
314 inline double get_dme_dist () const { return dme_dist; }
315 inline double get_dme_spd () const { return dme_spd; }
316 inline double get_dme_ete () const { return dme_ete; }
318 inline bool get_adf_inrange() const { return adf_inrange; }
319 inline double get_adf_lon() const { return adf_lon; }
320 inline double get_adf_lat() const { return adf_lat; }
321 inline double get_adf_heading() const { return adf_heading; }
322 inline double get_adf_vol_btn() const { return adf_vol_btn; }
323 inline bool get_adf_ident_btn() const { return adf_ident_btn; }
327 extern FGRadioStack *current_radiostack;
329 #endif // _FG_RADIOSTACK_HXX