192 lines
6.1 KiB
C++
192 lines
6.1 KiB
C++
// kr-87.hxx -- class to impliment the King KR 87 Digital ADF
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//
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// Written by Curtis Olson, started June 2002.
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//
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// Copyright (C) 2002 Curtis L. Olson - http://www.flightgear.org/~curt
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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#ifndef _FG_KR_87_HXX
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#define _FG_KR_87_HXX
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#include <Main/fg_props.hxx>
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#include <simgear/compiler.h>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <Navaids/navlist.hxx>
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#include <Sound/morse.hxx>
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class SGSampleGroup;
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class FGKR_87 : public SGSubsystem
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{
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FGMorse morse;
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SGPropertyNode_ptr lon_node;
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SGPropertyNode_ptr lat_node;
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SGPropertyNode_ptr alt_node;
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SGPropertyNode_ptr bus_power;
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SGPropertyNode_ptr serviceable;
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bool need_update;
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// internal values
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string ident;
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string trans_ident;
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bool valid;
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bool inrange;
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double stn_lon;
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double stn_lat;
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double stn_elev;
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double range;
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double effective_range;
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double dist;
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double heading;
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SGVec3d xyz;
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double goal_needle_deg;
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double et_flash_time;
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// modes
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int ant_mode; // 0 = ADF mode (needle active), 1 = ANT mode
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// (needle turned to 90, improved audio rcpt)
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int stby_mode; // 0 = show stby freq, 1 = show timer
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int timer_mode; // 0 = flt, 1 = et
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int count_mode; // 0 = count up, 1 = count down, 2 = set et
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// count down
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// input and buttons
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double rotation; // compass faceplace rotation
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bool power_btn; // 0 = off, 1 = powered
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bool audio_btn; // 0 = off, 1 = on
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double vol_btn;
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bool adf_btn; // 0 = normal, 1 = depressed
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bool bfo_btn; // 0 = normal, 1 = depressed
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bool frq_btn; // 0 = normal, 1 = depressed
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bool last_frq_btn;
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bool flt_et_btn; // 0 = normal, 1 = depressed
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bool last_flt_et_btn;
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bool set_rst_btn; // 0 = normal, 1 = depressed
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bool last_set_rst_btn; // 0 = normal, 1 = depressed
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// outputs
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int freq;
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int stby_freq;
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double needle_deg;
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double flight_timer;
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double elapsed_timer;
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double tmp_timer;
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// annunciators
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bool ant_ann;
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bool adf_ann;
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bool bfo_ann;
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bool frq_ann;
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bool flt_ann;
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bool et_ann;
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// internal periodic station search timer
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double _time_before_search_sec;
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SGSharedPtr<SGSampleGroup> _sgr;
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public:
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FGKR_87( SGPropertyNode *node );
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~FGKR_87();
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void init ();
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void bind ();
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void unbind ();
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void update (double dt_sec);
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// Update nav/adf radios based on current postition
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void search ();
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// internal values
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inline const string& get_ident() const { return ident; }
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inline bool get_valid() const { return valid; }
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inline bool get_inrange() const { return inrange; }
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inline double get_stn_lon() const { return stn_lon; }
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inline double get_stn_lat() const { return stn_lat; }
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inline double get_dist() const { return dist; }
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inline double get_heading() const { return heading; }
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inline bool has_power() const {
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return power_btn && (bus_power->getDoubleValue() > 1.0);
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}
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// modes
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inline int get_ant_mode() const { return ant_mode; }
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inline int get_stby_mode() const { return stby_mode; }
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inline int get_timer_mode() const { return timer_mode; }
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inline int get_count_mode() const { return count_mode; }
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// input and buttons
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inline double get_rotation () const { return rotation; }
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inline void set_rotation( double rot ) { rotation = rot; }
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inline bool get_power_btn() const { return power_btn; }
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inline void set_power_btn( bool val ) {
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power_btn = val;
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}
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inline bool get_audio_btn() const { return audio_btn; }
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inline void set_audio_btn( bool val ) {
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audio_btn = val;
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}
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inline double get_vol_btn() const { return vol_btn; }
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inline void set_vol_btn( double val ) {
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if ( val < 0.0 ) val = 0.0;
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if ( val > 1.0 ) val = 1.0;
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vol_btn = val;
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}
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inline bool get_adf_btn() const { return adf_btn; }
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inline void set_adf_btn( bool val ) { adf_btn = val; }
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inline bool get_bfo_btn() const { return bfo_btn; }
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inline void set_bfo_btn( bool val ) { bfo_btn = val; }
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inline bool get_frq_btn() const { return frq_btn; }
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inline void set_frq_btn( bool val ) { frq_btn = val; }
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inline bool get_flt_et_btn() const { return flt_et_btn; }
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inline void set_flt_et_btn( bool val ) { flt_et_btn = val; }
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inline bool get_set_rst_btn() const { return set_rst_btn; }
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inline void set_set_rst_btn( bool val ) { set_rst_btn = val; }
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// outputs
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inline int get_freq () const { return freq; }
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inline void set_freq( int f ) {
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freq = f;
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need_update = true;
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}
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int get_stby_freq () const;
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inline void set_stby_freq( int f ) { stby_freq = f; }
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inline double get_needle_deg() const { return needle_deg; }
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inline double get_flight_timer() const { return flight_timer; }
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inline double get_elapsed_timer() const { return elapsed_timer; }
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inline void set_elapsed_timer( double val ) { elapsed_timer = val; }
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// annunciators
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inline bool get_ant_ann() const { return ant_ann; }
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inline bool get_adf_ann() const { return adf_ann; }
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inline bool get_bfo_ann() const { return bfo_ann; }
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inline bool get_frq_ann() const { return frq_ann; }
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inline bool get_flt_ann() const { return flt_ann; }
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inline bool get_et_ann() const { return et_ann; }
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};
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#endif // _FG_KR_87_HXX
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