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flightgear/src/Instrumentation/kr_87.hxx

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C++

// kr-87.hxx -- class to impliment the King KR 87 Digital ADF
//
// Written by Curtis Olson, started June 2002.
//
// Copyright (C) 2002 Curtis L. Olson - http://www.flightgear.org/~curt
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
#ifndef _FG_KR_87_HXX
#define _FG_KR_87_HXX
#include <Main/fg_props.hxx>
#include <simgear/compiler.h>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/timing/timestamp.hxx>
#include <Navaids/navlist.hxx>
#include <Sound/morse.hxx>
class SGSampleGroup;
class FGKR_87 : public SGSubsystem
{
FGMorse morse;
SGPropertyNode_ptr lon_node;
SGPropertyNode_ptr lat_node;
SGPropertyNode_ptr alt_node;
SGPropertyNode_ptr bus_power;
SGPropertyNode_ptr serviceable;
bool need_update;
// internal values
string ident;
string trans_ident;
bool valid;
bool inrange;
double stn_lon;
double stn_lat;
double stn_elev;
double range;
double effective_range;
double dist;
double heading;
SGVec3d xyz;
double goal_needle_deg;
double et_flash_time;
// modes
int ant_mode; // 0 = ADF mode (needle active), 1 = ANT mode
// (needle turned to 90, improved audio rcpt)
int stby_mode; // 0 = show stby freq, 1 = show timer
int timer_mode; // 0 = flt, 1 = et
int count_mode; // 0 = count up, 1 = count down, 2 = set et
// count down
// input and buttons
double rotation; // compass faceplace rotation
bool power_btn; // 0 = off, 1 = powered
bool audio_btn; // 0 = off, 1 = on
double vol_btn;
bool adf_btn; // 0 = normal, 1 = depressed
bool bfo_btn; // 0 = normal, 1 = depressed
bool frq_btn; // 0 = normal, 1 = depressed
bool last_frq_btn;
bool flt_et_btn; // 0 = normal, 1 = depressed
bool last_flt_et_btn;
bool set_rst_btn; // 0 = normal, 1 = depressed
bool last_set_rst_btn; // 0 = normal, 1 = depressed
// outputs
int freq;
int stby_freq;
double needle_deg;
double flight_timer;
double elapsed_timer;
double tmp_timer;
// annunciators
bool ant_ann;
bool adf_ann;
bool bfo_ann;
bool frq_ann;
bool flt_ann;
bool et_ann;
// internal periodic station search timer
double _time_before_search_sec;
SGSharedPtr<SGSampleGroup> _sgr;
public:
FGKR_87( SGPropertyNode *node );
~FGKR_87();
void init ();
void bind ();
void unbind ();
void update (double dt_sec);
// Update nav/adf radios based on current postition
void search ();
// internal values
inline const string& get_ident() const { return ident; }
inline bool get_valid() const { return valid; }
inline bool get_inrange() const { return inrange; }
inline double get_stn_lon() const { return stn_lon; }
inline double get_stn_lat() const { return stn_lat; }
inline double get_dist() const { return dist; }
inline double get_heading() const { return heading; }
inline bool has_power() const {
return power_btn && (bus_power->getDoubleValue() > 1.0);
}
// modes
inline int get_ant_mode() const { return ant_mode; }
inline int get_stby_mode() const { return stby_mode; }
inline int get_timer_mode() const { return timer_mode; }
inline int get_count_mode() const { return count_mode; }
// input and buttons
inline double get_rotation () const { return rotation; }
inline void set_rotation( double rot ) { rotation = rot; }
inline bool get_power_btn() const { return power_btn; }
inline void set_power_btn( bool val ) {
power_btn = val;
}
inline bool get_audio_btn() const { return audio_btn; }
inline void set_audio_btn( bool val ) {
audio_btn = val;
}
inline double get_vol_btn() const { return vol_btn; }
inline void set_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
vol_btn = val;
}
inline bool get_adf_btn() const { return adf_btn; }
inline void set_adf_btn( bool val ) { adf_btn = val; }
inline bool get_bfo_btn() const { return bfo_btn; }
inline void set_bfo_btn( bool val ) { bfo_btn = val; }
inline bool get_frq_btn() const { return frq_btn; }
inline void set_frq_btn( bool val ) { frq_btn = val; }
inline bool get_flt_et_btn() const { return flt_et_btn; }
inline void set_flt_et_btn( bool val ) { flt_et_btn = val; }
inline bool get_set_rst_btn() const { return set_rst_btn; }
inline void set_set_rst_btn( bool val ) { set_rst_btn = val; }
// outputs
inline int get_freq () const { return freq; }
inline void set_freq( int f ) {
freq = f;
need_update = true;
}
int get_stby_freq () const;
inline void set_stby_freq( int f ) { stby_freq = f; }
inline double get_needle_deg() const { return needle_deg; }
inline double get_flight_timer() const { return flight_timer; }
inline double get_elapsed_timer() const { return elapsed_timer; }
inline void set_elapsed_timer( double val ) { elapsed_timer = val; }
// annunciators
inline bool get_ant_ann() const { return ant_ann; }
inline bool get_adf_ann() const { return adf_ann; }
inline bool get_bfo_ann() const { return bfo_ann; }
inline bool get_frq_ann() const { return frq_ann; }
inline bool get_flt_ann() const { return flt_ann; }
inline bool get_et_ann() const { return et_ann; }
};
#endif // _FG_KR_87_HXX