diff --git a/src/Instrumentation/Makefile.am b/src/Instrumentation/Makefile.am index fdbe202f1..72c6472cb 100644 --- a/src/Instrumentation/Makefile.am +++ b/src/Instrumentation/Makefile.am @@ -2,19 +2,20 @@ noinst_LIBRARIES = libInstrumentation.a libInstrumentation_a_SOURCES = \ instrument_mgr.cxx instrument_mgr.hxx \ + adf.cxx adf.hxx \ + airspeed_indicator.cxx airspeed_indicator.hxx \ + altimeter.cxx altimeter.hxx \ annunciator.cxx annunciator.hxx \ + attitude_indicator.cxx attitude_indicator.hxx \ + clock.cxx clock.hxx \ dme.cxx dme.hxx \ gps.cxx gps.hxx \ - adf.cxx adf.hxx \ gyro.cxx gyro.hxx \ - airspeed_indicator.cxx airspeed_indicator.hxx \ - attitude_indicator.cxx attitude_indicator.hxx \ - altimeter.cxx altimeter.hxx \ - turn_indicator.cxx turn_indicator.hxx \ - slip_skid_ball.cxx slip_skid_ball.hxx \ heading_indicator.cxx heading_indicator.hxx \ - vertical_speed_indicator.cxx vertical_speed_indicator.hxx \ + kr_87.hxx kr_87.cxx \ mag_compass.cxx mag_compass.hxx \ - clock.cxx clock.hxx + slip_skid_ball.cxx slip_skid_ball.hxx \ + turn_indicator.cxx turn_indicator.hxx \ + vertical_speed_indicator.cxx vertical_speed_indicator.hxx INCLUDES = -I$(top_srcdir) -I$(top_srcdir)/src diff --git a/src/Instrumentation/instrument_mgr.cxx b/src/Instrumentation/instrument_mgr.cxx index c59426d42..57e1ebae7 100644 --- a/src/Instrumentation/instrument_mgr.cxx +++ b/src/Instrumentation/instrument_mgr.cxx @@ -16,20 +16,20 @@ #include
#include "instrument_mgr.hxx" +#include "adf.hxx" #include "airspeed_indicator.hxx" +#include "altimeter.hxx" #include "annunciator.hxx" #include "attitude_indicator.hxx" -#include "altimeter.hxx" -#include "turn_indicator.hxx" -#include "slip_skid_ball.hxx" -#include "heading_indicator.hxx" -#include "vertical_speed_indicator.hxx" -#include "mag_compass.hxx" - -#include "dme.hxx" -#include "adf.hxx" -#include "gps.hxx" #include "clock.hxx" +#include "dme.hxx" +#include "gps.hxx" +#include "heading_indicator.hxx" +#include "kr_87.cxx" +#include "mag_compass.hxx" +#include "slip_skid_ball.hxx" +#include "turn_indicator.hxx" +#include "vertical_speed_indicator.hxx" FGInstrumentMgr::FGInstrumentMgr () @@ -123,6 +123,9 @@ bool FGInstrumentMgr::build () } else if ( name == "heading-indicator" ) { set_subsystem( "instrument" + temp.str(), new HeadingIndicator( node ) ); + } else if ( name == "KR-87" ) { + set_subsystem( "instrument" + temp.str(), + new FGKR_87( node ) ); } else if ( name == "magnetic-compass" ) { set_subsystem( "instrument" + temp.str(), new MagCompass( node ) ); diff --git a/src/Instrumentation/kr_87.cxx b/src/Instrumentation/kr_87.cxx new file mode 100644 index 000000000..404a5e46f --- /dev/null +++ b/src/Instrumentation/kr_87.cxx @@ -0,0 +1,558 @@ +// 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 +#endif + +#include // snprintf + +#include +#include + +#include +#include + +#include "kr_87.hxx" + +#include +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; + } + } +} diff --git a/src/Instrumentation/kr_87.hxx b/src/Instrumentation/kr_87.hxx new file mode 100644 index 000000000..bc2f3d569 --- /dev/null +++ b/src/Instrumentation/kr_87.hxx @@ -0,0 +1,188 @@ +// 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
+ +#include +#include +#include + +#include +#include + + +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