--- /dev/null
+// kr-87.cxx -- class to impliment the King KR 87 Digital ADF
+//
+// Written by Curtis Olson, started April 2002.
+//
+// Copyright (C) 2002 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.
+//
+// $Id$
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h> // snprintf
+
+#include <simgear/compiler.h>
+#include <simgear/math/sg_random.h>
+
+#include <Aircraft/aircraft.hxx>
+#include <Navaids/navlist.hxx>
+
+#include "kr_87.hxx"
+
+#include <string>
+SG_USING_STD(string);
+
+static int play_count = 0;
+static time_t last_time = 0;
+
+
+/**
+ * Boy, this is ugly! Make the VOR range vary by altitude difference.
+ */
+static double kludgeRange ( double stationElev, double aircraftElev,
+ double nominalRange)
+{
+ // Assume that the nominal range (usually
+ // 50nm) applies at a 5,000 ft difference.
+ // Just a wild guess!
+ double factor = (aircraftElev - stationElev)*SG_METER_TO_FEET / 5000.0;
+ double range = fabs(nominalRange * factor);
+
+ // Clamp the range to keep it sane; for
+ // now, never less than 50% or more than
+ // 500% of nominal range.
+ if (range < nominalRange/2.0) {
+ range = nominalRange/2.0;
+ } else if (range > nominalRange*5.0) {
+ range = nominalRange*5.0;
+ }
+
+ return range;
+}
+
+
+// Constructor
+FGKR_87::FGKR_87( SGPropertyNode *node ) :
+ lon_node(fgGetNode("/position/longitude-deg", true)),
+ lat_node(fgGetNode("/position/latitude-deg", true)),
+ alt_node(fgGetNode("/position/altitude-ft", true)),
+ bus_power(fgGetNode("/systems/electrical/outputs/adf", true)),
+ serviceable(fgGetNode("/instrumentation/adf/serviceable", true)),
+ need_update(true),
+ valid(false),
+ inrange(false),
+ dist(0.0),
+ heading(0.0),
+ goal_needle_deg(0.0),
+ et_flash_time(0.0),
+ ant_mode(0),
+ stby_mode(0),
+ timer_mode(0),
+ count_mode(0),
+ rotation(0),
+ power_btn(true),
+ audio_btn(true),
+ vol_btn(0.5),
+ adf_btn(true),
+ bfo_btn(false),
+ frq_btn(false),
+ last_frq_btn(false),
+ flt_et_btn(false),
+ last_flt_et_btn(false),
+ set_rst_btn(false),
+ last_set_rst_btn(false),
+ freq(0),
+ stby_freq(0),
+ needle_deg(0.0),
+ flight_timer(0.0),
+ elapsed_timer(0.0),
+ tmp_timer(0.0)
+{
+}
+
+
+// Destructor
+FGKR_87::~FGKR_87() {
+}
+
+
+void FGKR_87::init () {
+ serviceable->setBoolValue( true );
+ morse.init();
+}
+
+
+void FGKR_87::bind () {
+ // internal values
+ fgTie("/radios/kr-87/internal/valid", this, &FGKR_87::get_valid);
+ fgTie("/radios/kr-87/internal/inrange", this, &FGKR_87::get_inrange);
+ fgTie("/radios/kr-87/internal/dist", this, &FGKR_87::get_dist);
+ fgTie("/radios/kr-87/internal/heading", this, &FGKR_87::get_heading);
+
+ // modes
+ fgTie("/radios/kr-87/modes/ant", this,
+ &FGKR_87::get_ant_mode);
+ fgTie("/radios/kr-87/modes/stby", this,
+ &FGKR_87::get_stby_mode);
+ fgTie("/radios/kr-87/modes/timer", this,
+ &FGKR_87::get_timer_mode);
+ fgTie("/radios/kr-87/modes/count", this,
+ &FGKR_87::get_count_mode);
+
+ // input and buttons
+ fgTie("/radios/kr-87/inputs/rotation-deg", this,
+ &FGKR_87::get_rotation, &FGKR_87::set_rotation);
+ fgSetArchivable("/radios/kr-87/inputs/rotation-deg");
+ fgTie("/radios/kr-87/inputs/power-btn", this,
+ &FGKR_87::get_power_btn,
+ &FGKR_87::set_power_btn);
+ fgSetArchivable("/radios/kr-87/inputs/power-btn");
+ fgTie("/radios/kr-87/inputs/audio-btn", this,
+ &FGKR_87::get_audio_btn,
+ &FGKR_87::set_audio_btn);
+ fgSetArchivable("/radios/kr-87/inputs/audio-btn");
+ fgTie("/radios/kr-87/inputs/volume", this,
+ &FGKR_87::get_vol_btn,
+ &FGKR_87::set_vol_btn);
+ fgSetArchivable("/radios/kr-87/inputs/volume");
+ fgTie("/radios/kr-87/inputs/adf-btn", this,
+ &FGKR_87::get_adf_btn,
+ &FGKR_87::set_adf_btn);
+ fgTie("/radios/kr-87/inputs/bfo-btn", this,
+ &FGKR_87::get_bfo_btn,
+ &FGKR_87::set_bfo_btn);
+ fgTie("/radios/kr-87/inputs/frq-btn", this,
+ &FGKR_87::get_frq_btn,
+ &FGKR_87::set_frq_btn);
+ fgTie("/radios/kr-87/inputs/flt-et-btn", this,
+ &FGKR_87::get_flt_et_btn,
+ &FGKR_87::set_flt_et_btn);
+ fgTie("/radios/kr-87/inputs/set-rst-btn", this,
+ &FGKR_87::get_set_rst_btn,
+ &FGKR_87::set_set_rst_btn);
+
+ // outputs
+ fgTie("/radios/kr-87/outputs/selected-khz", this,
+ &FGKR_87::get_freq, &FGKR_87::set_freq);
+ fgSetArchivable("/radios/kr-87/outputs/selected-khz");
+ fgTie("/radios/kr-87/outputs/standby-khz", this,
+ &FGKR_87::get_stby_freq, &FGKR_87::set_stby_freq);
+ fgSetArchivable("/radios/kr-87/outputs/standby-khz");
+ fgTie("/radios/kr-87/outputs/needle-deg", this,
+ &FGKR_87::get_needle_deg);
+ fgTie("/radios/kr-87/outputs/flight-timer", this, &FGKR_87::get_flight_timer);
+ fgTie("/radios/kr-87/outputs/elapsed-timer", this,
+ &FGKR_87::get_elapsed_timer,
+ &FGKR_87::set_elapsed_timer);
+
+ // annunciators
+ fgTie("/radios/kr-87/annunciators/ant", this, &FGKR_87::get_ant_ann );
+ fgTie("/radios/kr-87/annunciators/adf", this, &FGKR_87::get_adf_ann );
+ fgTie("/radios/kr-87/annunciators/bfo", this, &FGKR_87::get_bfo_ann );
+ fgTie("/radios/kr-87/annunciators/frq", this, &FGKR_87::get_frq_ann );
+ fgTie("/radios/kr-87/annunciators/flt", this, &FGKR_87::get_flt_ann );
+ fgTie("/radios/kr-87/annunciators/et", this, &FGKR_87::get_et_ann );
+}
+
+
+void FGKR_87::unbind () {
+ // internal values
+ fgUntie("/radios/kr-87/internal/valid");
+ fgUntie("/radios/kr-87/internal/inrange");
+ fgUntie("/radios/kr-87/internal/dist");
+ fgUntie("/radios/kr-87/internal/heading");
+
+ // modes
+ fgUntie("/radios/kr-87/modes/ant");
+ fgUntie("/radios/kr-87/modes/stby");
+ fgUntie("/radios/kr-87/modes/timer");
+ fgUntie("/radios/kr-87/modes/count");
+
+ // input and buttons
+ fgUntie("/radios/kr-87/inputs/rotation-deg");
+ fgUntie("/radios/kr-87/inputs/power-btn");
+ fgUntie("/radios/kr-87/inputs/volume");
+ fgUntie("/radios/kr-87/inputs/adf-btn");
+ fgUntie("/radios/kr-87/inputs/bfo-btn");
+ fgUntie("/radios/kr-87/inputs/frq-btn");
+ fgUntie("/radios/kr-87/inputs/flt-et-btn");
+ fgUntie("/radios/kr-87/inputs/set-rst-btn");
+ fgUntie("/radios/kr-87/inputs/ident-btn");
+
+ // outputs
+ fgUntie("/radios/kr-87/outputs/selected-khz");
+ fgUntie("/radios/kr-87/outputs/standby-khz");
+ fgUntie("/radios/kr-87/outputs/needle-deg");
+ fgUntie("/radios/kr-87/outputs/flight-timer");
+ fgUntie("/radios/kr-87/outputs/elapsed-timer");
+
+ // annunciators
+ fgUntie("/radios/kr-87/annunciators/ant");
+ fgUntie("/radios/kr-87/annunciators/adf");
+ fgUntie("/radios/kr-87/annunciators/bfo");
+ fgUntie("/radios/kr-87/annunciators/frq");
+ fgUntie("/radios/kr-87/annunciators/flt");
+ fgUntie("/radios/kr-87/annunciators/et");
+}
+
+
+// Update the various nav values based on position and valid tuned in navs
+void FGKR_87::update( double dt ) {
+ double acft_lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double acft_lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double acft_elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+
+ need_update = false;
+
+ Point3D aircraft = sgGeodToCart( Point3D( acft_lon, acft_lat, acft_elev ) );
+ Point3D station;
+ double az1, az2, s;
+
+ ////////////////////////////////////////////////////////////////////////
+ // Radio
+ ////////////////////////////////////////////////////////////////////////
+
+ if ( has_power() && serviceable->getBoolValue() ) {
+ // buttons
+ if ( adf_btn == 0 ) {
+ ant_mode = 1;
+ } else {
+ ant_mode = 0;
+ }
+ // cout << "ant_mode = " << ant_mode << endl;
+
+ if ( frq_btn && frq_btn != last_frq_btn && stby_mode == 0 ) {
+ int tmp = freq;
+ freq = stby_freq;
+ stby_freq = tmp;
+ } else if ( frq_btn ) {
+ stby_mode = 0;
+ count_mode = 0;
+ }
+ last_frq_btn = frq_btn;
+
+ if ( flt_et_btn && flt_et_btn != last_flt_et_btn ) {
+ if ( stby_mode == 0 ) {
+ timer_mode = 0;
+ } else {
+ timer_mode = !timer_mode;
+ }
+ stby_mode = 1;
+ }
+ last_flt_et_btn = flt_et_btn;
+
+ if ( set_rst_btn == 1 && set_rst_btn != last_set_rst_btn ) {
+ // button depressed
+ tmp_timer = 0.0;
+ }
+ if ( set_rst_btn == 1 && set_rst_btn == last_set_rst_btn ) {
+ // button depressed and was last iteration too
+ tmp_timer += dt;
+ // cout << "tmp_timer = " << tmp_timer << endl;
+ if ( tmp_timer > 2.0 ) {
+ // button held depressed for 2 seconds
+ // cout << "entering elapsed count down mode" << endl;
+ timer_mode = 1;
+ count_mode = 2;
+ elapsed_timer = 0.0;
+ }
+ }
+ if ( set_rst_btn == 0 && set_rst_btn != last_set_rst_btn ) {
+ // button released
+ if ( tmp_timer > 2.0 ) {
+ // button held depressed for 2 seconds, don't adjust
+ // mode, just exit
+ } else if ( count_mode == 2 ) {
+ count_mode = 1;
+ } else {
+ count_mode = 0;
+ elapsed_timer = 0.0;
+ }
+ }
+ last_set_rst_btn = set_rst_btn;
+
+ // timers
+ flight_timer += dt;
+
+ if ( set_rst_btn == 0 ) {
+ // only count if set/rst button not depressed
+ if ( count_mode == 0 ) {
+ elapsed_timer += dt;
+ } else if ( count_mode == 1 ) {
+ elapsed_timer -= dt;
+ if ( elapsed_timer < 1.0 ) {
+ count_mode = 0;
+ elapsed_timer = 0.0;
+ }
+ }
+ }
+
+ // annunciators
+ ant_ann = !adf_btn;
+ adf_ann = adf_btn;
+ bfo_ann = bfo_btn;
+ frq_ann = !stby_mode;
+ flt_ann = stby_mode && !timer_mode;
+ if ( count_mode < 2 ) {
+ et_ann = stby_mode && timer_mode;
+ } else {
+ et_flash_time += dt;
+ if ( et_ann && et_flash_time > 0.5 ) {
+ et_ann = false;
+ et_flash_time -= 0.5;
+ } else if ( !et_ann && et_flash_time > 0.2 ) {
+ et_ann = true;
+ et_flash_time -= 0.2;
+ }
+ }
+
+ if ( valid ) {
+ // cout << "adf is valid" << endl;
+ // staightline distance
+ station = Point3D( x, y, z );
+ dist = aircraft.distance3D( station );
+
+ // wgs84 heading
+ geo_inverse_wgs_84( acft_elev,
+ acft_lat * SGD_RADIANS_TO_DEGREES,
+ acft_lon * SGD_RADIANS_TO_DEGREES,
+ stn_lat, stn_lon,
+ &az1, &az2, &s );
+ heading = az1;
+ // cout << " heading = " << heading
+ // << " dist = " << dist << endl;
+
+ effective_range = kludgeRange(stn_elev, acft_elev, range);
+ if ( dist < effective_range * SG_NM_TO_METER ) {
+ inrange = true;
+ } else if ( dist < 2 * effective_range * SG_NM_TO_METER ) {
+ inrange = sg_random() <
+ ( 2 * effective_range * SG_NM_TO_METER - dist ) /
+ (effective_range * SG_NM_TO_METER);
+ } else {
+ inrange = false;
+ }
+
+ // cout << "inrange = " << inrange << endl;
+
+ if ( inrange ) {
+ goal_needle_deg = heading
+ - fgGetDouble("/orientation/heading-deg");
+ }
+ } else {
+ inrange = false;
+ }
+
+ if ( ant_mode ) {
+ goal_needle_deg = 90.0;
+ }
+ } else {
+ // unit turned off
+ goal_needle_deg = 0.0;
+ flight_timer = 0.0;
+ elapsed_timer = 0.0;
+ ant_ann = false;
+ adf_ann = false;
+ bfo_ann = false;
+ frq_ann = false;
+ flt_ann = false;
+ et_ann = false;
+ }
+
+ // formatted timer
+ double time;
+ int hours, min, sec;
+ if ( timer_mode == 0 ) {
+ time = flight_timer;
+ } else {
+ time = elapsed_timer;
+ }
+ // cout << time << endl;
+ hours = (int)(time / 3600.0);
+ time -= hours * 3600.00;
+ min = (int)(time / 60.0);
+ time -= min * 60.0;
+ sec = (int)time;
+ int big, little;
+ if ( hours > 0 ) {
+ big = hours;
+ if ( big > 99 ) {
+ big = 99;
+ }
+ little = min;
+ } else {
+ big = min;
+ little = sec;
+ }
+ if ( big > 99 ) {
+ big = 99;
+ }
+ char formatted_timer[128];
+ // cout << big << ":" << little << endl;
+ snprintf(formatted_timer, 6, "%02d:%02d", big, little);
+ fgSetString( "/radios/kr-87/outputs/timer-string", formatted_timer );
+
+ while ( goal_needle_deg < 0.0 ) { goal_needle_deg += 360.0; }
+ while ( goal_needle_deg >= 360.0 ) { goal_needle_deg -= 360.0; }
+
+ double diff = goal_needle_deg - needle_deg;
+ while ( diff < -180.0 ) { diff += 360.0; }
+ while ( diff > 180.0 ) { diff -= 360.0; }
+
+ needle_deg += diff * dt * 4;
+ while ( needle_deg < 0.0 ) { needle_deg += 360.0; }
+ while ( needle_deg >= 360.0 ) { needle_deg -= 360.0; }
+
+ // cout << "goal = " << goal_needle_deg << " actual = " << needle_deg
+ // << endl;
+ // cout << "flt = " << flight_timer << " et = " << elapsed_timer
+ // << " needle = " << needle_deg << endl;
+
+ if ( valid && inrange && serviceable->getBoolValue() ) {
+ // play station ident via audio system if on + ant mode,
+ // otherwise turn it off
+ if ( vol_btn >= 0.01 && audio_btn ) {
+ SGSoundSample *sound;
+ sound = globals->get_soundmgr()->find( "adf-ident" );
+ if ( sound != NULL ) {
+ if ( !adf_btn ) {
+ sound->set_volume( vol_btn );
+ } else {
+ sound->set_volume( vol_btn / 4.0 );
+ }
+ } else {
+ SG_LOG( SG_COCKPIT, SG_ALERT, "Can't find adf-ident sound" );
+ }
+ if ( last_time <
+ globals->get_time_params()->get_cur_time() - 30 ) {
+ last_time = globals->get_time_params()->get_cur_time();
+ play_count = 0;
+ }
+ if ( play_count < 4 ) {
+ // play ADF ident
+ if ( !globals->get_soundmgr()->is_playing("adf-ident") ) {
+ globals->get_soundmgr()->play_once( "adf-ident" );
+ ++play_count;
+ }
+ }
+ } else {
+ globals->get_soundmgr()->stop( "adf-ident" );
+ }
+ }
+}
+
+
+// Update current nav/adf radio stations based on current postition
+void FGKR_87::search() {
+ double acft_lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double acft_lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double acft_elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+
+ // FIXME: the panel should handle this
+ static string last_ident = "";
+
+ ////////////////////////////////////////////////////////////////////////
+ // ADF.
+ ////////////////////////////////////////////////////////////////////////
+
+ FGNavRecord *adf
+ = globals->get_navlist()->findByFreq( freq, acft_lon, acft_lat,
+ acft_elev );
+ if ( adf != NULL ) {
+ char sfreq[128];
+ snprintf( sfreq, 10, "%d", freq );
+ ident = sfreq;
+ ident += adf->get_ident();
+ // cout << "adf ident = " << ident << endl;
+ valid = true;
+ if ( last_ident != ident ) {
+ last_ident = ident;
+
+ trans_ident = adf->get_trans_ident();
+ stn_lon = adf->get_lon();
+ stn_lat = adf->get_lat();
+ stn_elev = adf->get_elev_ft();
+ range = adf->get_range();
+ effective_range = kludgeRange(stn_elev, acft_elev, range);
+ x = adf->get_x();
+ y = adf->get_y();
+ z = adf->get_z();
+
+ if ( globals->get_soundmgr()->exists( "adf-ident" ) ) {
+ globals->get_soundmgr()->remove( "adf-ident" );
+ }
+ SGSoundSample *sound;
+ sound = morse.make_ident( trans_ident, LO_FREQUENCY );
+ sound->set_volume( 0.3 );
+ globals->get_soundmgr()->add( sound, "adf-ident" );
+
+ int offset = (int)(sg_random() * 30.0);
+ play_count = offset / 4;
+ last_time = globals->get_time_params()->get_cur_time() -
+ offset;
+ // cout << "offset = " << offset << " play_count = "
+ // << play_count << " last_time = "
+ // << last_time << " current time = "
+ // << globals->get_time_params()->get_cur_time() << endl;
+
+ // cout << "Found an adf station in range" << endl;
+ // cout << " id = " << nav->get_ident() << endl;
+ }
+ } else {
+ valid = false;
+ ident = "";
+ trans_ident = "";
+ globals->get_soundmgr()->remove( "adf-ident" );
+ last_ident = "";
+ // cout << "not picking up adf. :-(" << endl;
+ }
+}
+
+
+int FGKR_87::get_stby_freq() const {
+ if ( stby_mode == 0 ) {
+ return stby_freq;
+ } else {
+ if ( timer_mode == 0 ) {
+ return (int)flight_timer;
+ } else {
+ return (int)elapsed_timer;
+ }
+ }
+}
--- /dev/null
+// 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 - 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_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 FGKR_87 : public SGSubsystem
+{
+ FGMorse morse;
+
+ SGPropertyNode *lon_node;
+ SGPropertyNode *lat_node;
+ SGPropertyNode *alt_node;
+ SGPropertyNode *bus_power;
+ SGPropertyNode *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;
+ double x;
+ double y;
+ double z;
+ 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;
+
+public:
+
+ FGKR_87( SGPropertyNode *node );
+ ~FGKR_87();
+
+ void init ();
+ void bind ();
+ void unbind ();
+ void update (double dt);
+
+ // Update nav/adf radios based on current postition
+ void search ();
+
+ // internal values
+ inline 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