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flightgear/src/Cockpit/radiostack.hxx

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C++

// radiostack.hxx -- class to manage an instance of the radio stack
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifndef _FG_RADIOSTACK_HXX
#define _FG_RADIOSTACK_HXX
#include <Main/fgfs.hxx>
#include <Main/fg_props.hxx>
#include <simgear/compiler.h>
#include <simgear/math/interpolater.hxx>
#include <simgear/timing/timestamp.hxx>
#include <Navaids/ilslist.hxx>
#include <Navaids/navlist.hxx>
#include <Sound/beacon.hxx>
#include <Sound/morse.hxx>
#include "kr_87.hxx" // ADF
#include "kt_70.hxx" // Transponder
class FGRadioStack : public FGSubsystem
{
FGBeacon beacon;
FGMorse morse;
SGInterpTable *term_tbl;
SGInterpTable *low_tbl;
SGInterpTable *high_tbl;
SGPropertyNode *lon_node;
SGPropertyNode *lat_node;
SGPropertyNode *alt_node;
bool need_update;
string comm1_ident;
bool comm1_valid;
bool comm1_inrange;
double comm1_freq;
double comm1_alt_freq;
double comm1_vol_btn;
bool comm1_ident_btn;
double comm1_x;
double comm1_y;
double comm1_z;
double comm1_dist;
double comm1_elev;
double comm1_range;
double comm1_effective_range;
string comm2_ident;
bool comm2_valid;
bool comm2_inrange;
double comm2_freq;
double comm2_alt_freq;
double comm2_vol_btn;
bool comm2_ident_btn;
double comm2_x;
double comm2_y;
double comm2_z;
double comm2_dist;
double comm2_elev;
double comm2_range;
double comm2_effective_range;
string nav1_ident;
string nav1_trans_ident;
bool nav1_valid;
bool nav1_inrange;
bool nav1_has_dme;
bool nav1_has_gs;
bool nav1_loc;
double nav1_freq;
double nav1_alt_freq;
double nav1_radial;
double nav1_sel_radial;
double nav1_loclon;
double nav1_loclat;
double nav1_x;
double nav1_y;
double nav1_z;
double nav1_loc_dist;
double nav1_gslon;
double nav1_gslat;
double nav1_gs_x;
double nav1_gs_y;
double nav1_gs_z;
double nav1_gs_dist;
SGTimeStamp prev_time;
SGTimeStamp curr_time;
double nav1_elev;
double nav1_range;
double nav1_effective_range;
double nav1_heading;
double nav1_target_gs;
double nav1_magvar;
double nav1_vol_btn;
bool nav1_ident_btn;
string nav2_ident;
string nav2_trans_ident;
bool nav2_valid;
bool nav2_inrange;
bool nav2_has_dme;
bool nav2_has_gs;
bool nav2_loc;
double nav2_freq;
double nav2_alt_freq;
double nav2_radial;
double nav2_sel_radial;
double nav2_loclon;
double nav2_loclat;
double nav2_x;
double nav2_y;
double nav2_z;
double nav2_loc_dist;
double nav2_gslon;
double nav2_gslat;
double nav2_gs_x;
double nav2_gs_y;
double nav2_gs_z;
double nav2_gs_dist;
double nav2_elev;
double nav2_range;
double nav2_effective_range;
double nav2_heading;
double nav2_target_gs;
double nav2_magvar;
double nav2_vol_btn;
bool nav2_ident_btn;
bool dme_valid;
bool dme_inrange;
double dme_freq;
double dme_lon;
double dme_lat;
double dme_elev;
double dme_range;
double dme_effective_range;
double dme_x;
double dme_y;
double dme_z;
double dme_dist;
double dme_prev_dist;
double dme_spd;
double dme_ete;
SGTimeStamp dme_last_time;
bool outer_marker;
bool middle_marker;
bool inner_marker;
SGTimeStamp blink;
bool outer_blink;
bool middle_blink;
bool inner_blink;
FGKR_87 adf; // King KR 87 Digital ADF model
FGKT_70 xponder; // Bendix/King KT 70 Panel-Mounted Transponder
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double adjustNavRange( double stationElev, double aircraftElev,
double nominalRange );
// model standard ILS service volumes as per AIM 1-1-9
double adjustILSRange( double stationElev, double aircraftElev,
double offsetDegrees, double distance );
public:
FGRadioStack();
~FGRadioStack();
void init ();
void bind ();
void unbind ();
void update (double dt);
// Update nav/adf radios based on current postition
void search ();
// COMM1 Setters
inline void set_comm1_freq( double freq ) {
comm1_freq = freq; need_update = true;
}
inline void set_comm1_alt_freq( double freq ) { comm1_alt_freq = freq; }
inline void set_comm1_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
comm1_vol_btn = val;
}
inline void set_comm1_ident_btn( bool val ) { comm1_ident_btn = val; }
// COMM2 Setters
inline void set_comm2_freq( double freq ) {
comm2_freq = freq; need_update = true;
}
inline void set_comm2_alt_freq( double freq ) { comm2_alt_freq = freq; }
inline void set_comm2_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
comm2_vol_btn = val;
}
inline void set_comm2_ident_btn( bool val ) { comm2_ident_btn = val; }
// NAV1 Setters
inline void set_nav1_freq( double freq ) {
nav1_freq = freq; need_update = true;
}
inline void set_nav1_alt_freq( double freq ) { nav1_alt_freq = freq; }
inline void set_nav1_sel_radial( double radial ) {
nav1_sel_radial = radial; need_update = true;
}
inline void set_nav1_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
nav1_vol_btn = val;
}
inline void set_nav1_ident_btn( bool val ) { nav1_ident_btn = val; }
// NAV2 Setters
inline void set_nav2_freq( double freq ) {
nav2_freq = freq; need_update = true;
}
inline void set_nav2_alt_freq( double freq ) { nav2_alt_freq = freq; }
inline void set_nav2_sel_radial( double radial ) {
nav2_sel_radial = radial; need_update = true;
}
inline void set_nav2_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
nav2_vol_btn = val;
}
inline void set_nav2_ident_btn( bool val ) { nav2_ident_btn = val; }
// DME Setters
inline void set_dme_freq (double freq) {
dme_freq = freq; need_update = true;
}
// COMM1 Accessors
inline double get_comm1_freq () const { return comm1_freq; }
inline double get_comm1_alt_freq () const { return comm1_alt_freq; }
// COMM2 Accessors
inline double get_comm2_freq () const { return comm2_freq; }
inline double get_comm2_alt_freq () const { return comm2_alt_freq; }
// NAV1 Accessors
inline double get_nav1_freq () const { return nav1_freq; }
inline double get_nav1_alt_freq () const { return nav1_alt_freq; }
inline double get_nav1_sel_radial() const { return nav1_sel_radial; }
// NAV2 Accessors
inline double get_nav2_freq () const { return nav2_freq; }
inline double get_nav2_alt_freq () const { return nav2_alt_freq; }
inline double get_nav2_sel_radial() const { return nav2_sel_radial; }
// DME Accessors
inline double get_dme_freq () const { return dme_freq; }
// Marker Beacon Accessors
inline bool get_inner_blink () const { return inner_blink; }
inline bool get_middle_blink () const { return middle_blink; }
inline bool get_outer_blink () const { return outer_blink; }
// Calculated values.
inline bool get_comm1_inrange() const { return comm1_inrange; }
inline double get_comm1_vol_btn() const { return comm1_vol_btn; }
inline bool get_comm1_ident_btn() const { return comm1_ident_btn; }
inline bool get_comm2_inrange() const { return comm2_inrange; }
inline double get_comm2_vol_btn() const { return comm2_vol_btn; }
inline bool get_comm2_ident_btn() const { return comm2_ident_btn; }
inline bool get_nav1_inrange() const { return nav1_inrange; }
bool get_nav1_to_flag () const;
bool get_nav1_from_flag () const;
inline bool get_nav1_has_dme() const { return nav1_has_dme; }
inline bool get_nav1_dme_inrange () const {
return nav1_inrange && nav1_has_dme;
}
inline bool get_nav1_has_gs() const { return nav1_has_gs; }
inline bool get_nav1_loc() const { return nav1_loc; }
inline double get_nav1_loclon() const { return nav1_loclon; }
inline double get_nav1_loclat() const { return nav1_loclat; }
inline double get_nav1_loc_dist() const { return nav1_loc_dist; }
inline double get_nav1_gslon() const { return nav1_gslon; }
inline double get_nav1_gslat() const { return nav1_gslat; }
inline double get_nav1_gs_dist() const { return nav1_gs_dist; }
inline double get_nav1_elev() const { return nav1_elev; }
inline double get_nav1_heading() const { return nav1_heading; }
inline double get_nav1_radial() const { return nav1_radial; }
inline double get_nav1_target_gs() const { return nav1_target_gs; }
inline double get_nav1_magvar() const { return nav1_magvar; }
double get_nav1_heading_needle_deflection() const;
double get_nav1_gs_needle_deflection() const;
inline double get_nav1_vol_btn() const { return nav1_vol_btn; }
inline bool get_nav1_ident_btn() const { return nav1_ident_btn; }
inline bool get_nav2_inrange() const { return nav2_inrange; }
bool get_nav2_to_flag () const;
bool get_nav2_from_flag () const;
inline bool get_nav2_has_dme() const { return nav2_has_dme; }
inline bool get_nav2_dme_inrange () const {
return nav2_inrange && nav2_has_dme;
}
inline bool get_nav2_has_gs() const { return nav2_has_gs; }
inline bool get_nav2_loc() const { return nav2_loc; }
inline double get_nav2_loclon() const { return nav2_loclon; }
inline double get_nav2_loclat() const { return nav2_loclat; }
inline double get_nav2_loc_dist() const { return nav2_loc_dist; }
inline double get_nav2_gslon() const { return nav2_gslon; }
inline double get_nav2_gslat() const { return nav2_gslat; }
inline double get_nav2_gs_dist() const { return nav2_gs_dist; }
inline double get_nav2_elev() const { return nav2_elev; }
inline double get_nav2_heading() const { return nav2_heading; }
inline double get_nav2_radial() const { return nav2_radial; }
inline double get_nav2_target_gs() const { return nav2_target_gs; }
inline double get_nav2_magvar() const { return nav2_magvar; }
double get_nav2_heading_needle_deflection() const;
double get_nav2_gs_needle_deflection() const;
inline double get_nav2_vol_btn() const { return nav2_vol_btn; }
inline bool get_nav2_ident_btn() const { return nav2_ident_btn; }
inline bool get_dme_inrange () const { return dme_inrange; }
inline double get_dme_dist () const { return dme_dist; }
inline double get_dme_spd () const { return dme_spd; }
inline double get_dme_ete () const { return dme_ete; }
};
extern FGRadioStack *current_radiostack;
#endif // _FG_RADIOSTACK_HXX