aef1876858
the adf needle to not point correctly, fixed. - Make the code slightly smarter so ADF needle never takes the long way around to it's destination.
158 lines
5 KiB
C++
158 lines
5 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 - curt@flightgear.org
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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., 675 Mass Ave, Cambridge, MA 02139, 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/fgfs.hxx>
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#include <Main/fg_props.hxx>
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#include <simgear/compiler.h>
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#include <simgear/math/interpolater.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <Navaids/navlist.hxx>
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#include <Sound/beacon.hxx>
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#include <Sound/morse.hxx>
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class FGKR_87 : public FGSubsystem
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{
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FGBeacon beacon;
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FGMorse morse;
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SGInterpTable *term_tbl;
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SGInterpTable *low_tbl;
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SGInterpTable *high_tbl;
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SGPropertyNode *lon_node;
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SGPropertyNode *lat_node;
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SGPropertyNode *alt_node;
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bool need_update;
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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 freq;
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double stby_freq;
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double rotation;
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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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double x;
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double y;
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double z;
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double on_off_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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bool ident_btn; // ???
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double goal_needle_deg;
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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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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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public:
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FGKR_87();
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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);
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// Update nav/adf radios based on current postition
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void search ();
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// ADF Setters
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inline void set_freq( double f ) {
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freq = f; need_update = true;
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}
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inline void set_stby_freq( double freq ) { stby_freq = freq; }
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inline void set_rotation( double rot ) { rotation = rot; }
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inline void set_on_off_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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on_off_vol_btn = val;
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}
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inline void set_ident_btn( bool val ) { ident_btn = val; }
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inline void set_adf_btn( bool val ) { adf_btn = val; }
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inline void set_bfo_btn( bool val ) { bfo_btn = val; }
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inline void set_frq_btn( bool val ) { frq_btn = val; }
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inline void set_flt_et_btn( bool val ) { flt_et_btn = val; }
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inline void set_set_rst_btn( bool val ) { set_rst_btn = val; }
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inline void set_elapsed_timer( double val ) { elapsed_timer = val; }
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// ADF Accessors
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inline double get_freq () const { return freq; }
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double get_stby_freq () const;
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inline double get_rotation () const { return rotation; }
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// Calculated values
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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_heading() const { return heading; }
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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 double get_on_off_vol_btn() const { return on_off_vol_btn; }
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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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// physical inputs
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inline bool get_ident_btn() const { return ident_btn; }
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inline bool get_adf_btn() const { return adf_btn; }
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inline bool get_bfo_btn() const { return bfo_btn; }
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inline bool get_frq_btn() const { return frq_btn; }
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inline bool get_flt_et_btn() const { return flt_et_btn; }
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inline bool get_set_rst_btn() const { return set_rst_btn; }
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};
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#endif // _FG_KR_87_HXX
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