fly/flightgear
1
0
Fork 0
Code Activity

Roy Ovesen: remove src files from Cockpit and move them over to Instrumentation.

Browse source
This commit is contained in:
curt 2004-11-19 23:10:44 +00:00
parent e9b70e3ab8
commit 1c2c76709e
6 changed files with 1272 additions and 66 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

131
src/Cockpit/kt_70.cxx → src/Instrumentation/kt_70.cxx
View file

@ -25,7 +25,9 @@
# include <config.h>
#endif
#include <stdio.h> // snprintf
#include <iostream>
#include <string>
#include <sstream>
#include <simgear/compiler.h>
#include <simgear/math/sg_random.h>
@ -36,12 +38,7 @@
// Constructor
FGKT_70::FGKT_70() :
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/transponder", true)),
serviceable_node(fgGetNode("/radios/kt-70/inputs/serviceable", true)),
FGKT_70::FGKT_70(SGPropertyNode *node) :
r_flash_time(0.0),
ident_mode(false),
ident_btn(false),
@ -55,8 +52,28 @@ FGKT_70::FGKT_70() :
gnd_ann(0),
on_ann(0),
sby_ann(0),
reply_ann(0)
reply_ann(0),
name("kt-70"),
num(0)
{
int i;
for ( i = 0; i < node->nChildren(); ++i ) {
SGPropertyNode *child = node->getChild(i);
string cname = child->getName();
string cval = child->getStringValue();
if ( cname == "name" ) {
name = cval;
} else if ( cname == "number" ) {
num = child->getIntValue();
} else {
SG_LOG( SG_INSTR, SG_WARN,
"Error in kt-70 config logic" );
if ( name.length() ) {
SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
}
}
}
}
@ -64,76 +81,102 @@ FGKT_70::FGKT_70() :
FGKT_70::~FGKT_70() { }
void FGKT_70::init () {
void FGKT_70::init ()
{
string branch;
branch = "/instrumentation/" + name;
SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
// Inputs
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/transponder", true);
serviceable_node = (node->getChild("inputs", 0, true))
->getChild("serviceable", 0, true);
}
void FGKT_70::bind () {
std::ostringstream temp;
string branch;
temp << num;
branch = "/instrumentation/" + name + "[" + temp.str() + "]";
// internal values
// modes
// input and buttons
fgTie("/radios/kt-70/inputs/ident-btn", this,
fgTie((branch + "/inputs/ident-btn").c_str(), this,
&FGKT_70::get_ident_btn, &FGKT_70::set_ident_btn);
fgSetArchivable("/radios/kt-70/inputs/rotation-deg");
fgTie("/radios/kt-70/inputs/digit1", this,
fgSetArchivable((branch + "/inputs/rotation-deg").c_str());
fgTie((branch + "/inputs/digit1").c_str(), this,
&FGKT_70::get_digit1, &FGKT_70::set_digit1);
fgSetArchivable("/radios/kt-70/inputs/digit1");
fgTie("/radios/kt-70/inputs/digit2", this,
fgSetArchivable((branch + "/inputs/digit1").c_str());
fgTie((branch + "/inputs/digit2").c_str(), this,
&FGKT_70::get_digit2, &FGKT_70::set_digit2);
fgSetArchivable("/radios/kt-70/inputs/digit2");
fgTie("/radios/kt-70/inputs/digit3", this,
fgSetArchivable((branch + "/inputs/digit2").c_str());
fgTie((branch + "/inputs/digit3").c_str(), this,
&FGKT_70::get_digit3, &FGKT_70::set_digit3);
fgSetArchivable("/radios/kt-70/inputs/digit3");
fgTie("/radios/kt-70/inputs/digit4", this,
fgSetArchivable((branch + "/inputs/digit3").c_str());
fgTie((branch + "/inputs/digit4").c_str(), this,
&FGKT_70::get_digit4, &FGKT_70::set_digit4);
fgSetArchivable("/radios/kt-70/inputs/digit4");
fgTie("/radios/kt-70/inputs/func-knob", this,
fgSetArchivable((branch + "/inputs/digit4").c_str());
fgTie((branch + "/inputs/func-knob").c_str(), this,
&FGKT_70::get_func_knob, &FGKT_70::set_func_knob);
fgSetArchivable("/radios/kt-70/inputs/func-knob");
fgSetArchivable((branch + "/inputs/func-knob").c_str());
// outputs
fgTie("/radios/kt-70/outputs/id-code", this,
fgTie((branch + "/outputs/id-code").c_str(), this,
&FGKT_70::get_id_code, &FGKT_70::set_id_code);
fgSetArchivable("/radios/kt-70/outputs/id-code");
fgTie("/radios/kt-70/outputs/flight-level", this,
fgSetArchivable((branch + "/outputs/id-code").c_str());
fgTie((branch + "/outputs/flight-level").c_str(), this,
&FGKT_70::get_flight_level);
// annunciators
fgTie("/radios/kt-70/annunciators/fl", this, &FGKT_70::get_fl_ann );
fgTie("/radios/kt-70/annunciators/alt", this, &FGKT_70::get_alt_ann );
fgTie("/radios/kt-70/annunciators/gnd", this, &FGKT_70::get_gnd_ann );
fgTie("/radios/kt-70/annunciators/on", this, &FGKT_70::get_on_ann );
fgTie("/radios/kt-70/annunciators/sby", this, &FGKT_70::get_sby_ann );
fgTie("/radios/kt-70/annunciators/reply", this, &FGKT_70::get_reply_ann );
fgTie((branch + "/annunciators/fl").c_str(), this,
&FGKT_70::get_fl_ann );
fgTie((branch + "/annunciators/alt").c_str(), this,
&FGKT_70::get_alt_ann );
fgTie((branch + "/annunciators/gnd").c_str(), this,
&FGKT_70::get_gnd_ann );
fgTie((branch + "/annunciators/on").c_str(), this,
&FGKT_70::get_on_ann );
fgTie((branch + "/annunciators/sby").c_str(), this,
&FGKT_70::get_sby_ann );
fgTie((branch + "/annunciators/reply").c_str(), this,
&FGKT_70::get_reply_ann );
}
void FGKT_70::unbind () {
std::ostringstream temp;
string branch;
temp << num;
branch = "/instrumentation/" + name + "[" + temp.str() + "]";
// internal values
// modes
// input and buttons
fgUntie("/radios/kt-70/inputs/ident-btn");
fgUntie("/radios/kt-70/inputs/digit1");
fgUntie("/radios/kt-70/inputs/digit2");
fgUntie("/radios/kt-70/inputs/digit3");
fgUntie("/radios/kt-70/inputs/digit4");
fgUntie("/radios/kt-70/inputs/func-knob");
fgUntie((branch + "/inputs/ident-btn").c_str());
fgUntie((branch + "/inputs/digit1").c_str());
fgUntie((branch + "/inputs/digit2").c_str());
fgUntie((branch + "/inputs/digit3").c_str());
fgUntie((branch + "/inputs/digit4").c_str());
fgUntie((branch + "/inputs/func-knob").c_str());
// outputs
fgUntie("/radios/kt-70/outputs/id-code");
fgUntie("/radios/kt-70/outputs/flight-level");
fgUntie((branch + "/outputs/id-code").c_str());
fgUntie((branch + "/outputs/flight-level").c_str());
// annunciators
fgUntie("/radios/kt-70/annunciators/fl");
fgUntie("/radios/kt-70/annunciators/alt");
fgUntie("/radios/kt-70/annunciators/gnd");
fgUntie("/radios/kt-70/annunciators/on");
fgUntie("/radios/kt-70/annunciators/sby");
fgUntie("/radios/kt-70/annunciators/reply");
fgUntie((branch + "/annunciators/fl").c_str());
fgUntie((branch + "/annunciators/alt").c_str());
fgUntie((branch + "/annunciators/gnd").c_str());
fgUntie((branch + "/annunciators/on").c_str());
fgUntie((branch + "/annunciators/sby").c_str());
fgUntie((branch + "/annunciators/reply").c_str());
}

5
src/Cockpit/kt_70.hxx → src/Instrumentation/kt_70.hxx
View file

@ -70,9 +70,12 @@ class FGKT_70 : public SGSubsystem
bool sby_ann; // standby
bool reply_ann; // reply
string name;
int num;
public:
FGKT_70();
FGKT_70(SGPropertyNode *node);
~FGKT_70();
void init ();

78
src/Cockpit/marker_beacon.cxx → src/Instrumentation/marker_beacon.cxx
View file

@ -40,19 +40,13 @@ SG_USING_STD(string);
// Constructor
FGMarkerBeacon::FGMarkerBeacon() :
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/navcom[0]", true)),
power_btn(fgGetNode("/radios/marker-beacon/power-btn", true)),
audio_btn(fgGetNode("/radios/marker-beacon/audio-btn", true)),
serviceable(fgGetNode("/instrumentation/marker-beacons/serviceable", true)),
FGMarkerBeacon::FGMarkerBeacon(SGPropertyNode *node) :
need_update(true),
outer_blink(false),
middle_blink(false),
inner_blink(false)
inner_blink(false),
name("marker-beacon"),
num(0)
{
SGPath path( globals->get_fg_root() );
SGPath term = path;
@ -66,9 +60,23 @@ FGMarkerBeacon::FGMarkerBeacon() :
low_tbl = new SGInterpTable( low.str() );
high_tbl = new SGInterpTable( high.str() );
power_btn->setBoolValue( true );
audio_btn->setBoolValue( true );
serviceable->setBoolValue( true );
int i;
for ( i = 0; i < node->nChildren(); ++i ) {
SGPropertyNode *child = node->getChild(i);
string cname = child->getName();
string cval = child->getStringValue();
if ( cname == "name" ) {
name = cval;
} else if ( cname == "number" ) {
num = child->getIntValue();
} else {
SG_LOG( SG_INSTR, SG_WARN,
"Error in marker beacon config logic" );
if ( name.length() ) {
SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
}
}
}
}
@ -84,6 +92,23 @@ FGMarkerBeacon::~FGMarkerBeacon()
void
FGMarkerBeacon::init ()
{
string branch;
branch = "/instrumentation/" + name;
SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
// Inputs
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/navcom[0]", true);
power_btn = node->getChild("power-btn", 0, true);
audio_btn = node->getChild("audio-btn", 0, true);
serviceable = node->getChild("serviceable", 0, true);
power_btn->setBoolValue( true );
audio_btn->setBoolValue( true );
serviceable->setBoolValue( true );
morse.init();
beacon.init();
blink.stamp();
@ -93,14 +118,16 @@ FGMarkerBeacon::init ()
void
FGMarkerBeacon::bind ()
{
string branch;
branch = "/instrumentation/" + name;
fgTie("/radios/marker-beacon/inner", this,
fgTie((branch + "/inner").c_str(), this,
&FGMarkerBeacon::get_inner_blink);
fgTie("/radios/marker-beacon/middle", this,
fgTie((branch + "/middle").c_str(), this,
&FGMarkerBeacon::get_middle_blink);
fgTie("/radios/marker-beacon/outer", this,
fgTie((branch + "/outer").c_str(), this,
&FGMarkerBeacon::get_outer_blink);
}
@ -108,9 +135,12 @@ FGMarkerBeacon::bind ()
void
FGMarkerBeacon::unbind ()
{
fgUntie("/radios/marker-beacon/inner");
fgUntie("/radios/marker-beacon/middle");
fgUntie("/radios/marker-beacon/outer");
string branch;
branch = "/instrumentation/" + name;
fgUntie((branch + "/inner").c_str());
fgUntie((branch + "/middle").c_str());
fgUntie((branch + "/outer").c_str());
}
@ -121,6 +151,12 @@ FGMarkerBeacon::update(double dt)
need_update = false;
if ( has_power() && serviceable->getBoolValue() ) {
// On timeout, scan again
_time_before_search_sec -= dt;
if ( _time_before_search_sec < 0 ) {
search();
}
// marker beacon blinking
bool light_on = ( outer_blink || middle_blink || inner_blink );
SGTimeStamp current;
@ -206,6 +242,10 @@ static bool check_beacon_range( double lon_rad, double lat_rad, double elev_m,
// Update current nav/adf radio stations based on current postition
void FGMarkerBeacon::search()
{
// reset search time
_time_before_search_sec = 1.0;
static fgMkrBeacType last_beacon = NOBEACON;
double lon_rad = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;

10
src/Cockpit/marker_beacon.hxx → src/Instrumentation/marker_beacon.hxx
View file

@ -45,6 +45,7 @@ class FGMarkerBeacon : public SGSubsystem
SGInterpTable *low_tbl;
SGInterpTable *high_tbl;
// Inputs
SGPropertyNode *lon_node;
SGPropertyNode *lat_node;
SGPropertyNode *alt_node;
@ -64,6 +65,12 @@ class FGMarkerBeacon : public SGSubsystem
bool middle_blink;
bool inner_blink;
string name;
int num;
// internal periodic station search timer
double _time_before_search_sec;
public:
enum fgMkrBeacType {
@ -73,7 +80,7 @@ public:
OUTER
};
FGMarkerBeacon();
FGMarkerBeacon(SGPropertyNode *node);
~FGMarkerBeacon();
void init ();
@ -81,7 +88,6 @@ public:
void unbind ();
void update (double dt);
// Update nav/adf radios based on current postition
void search ();
// Marker Beacon Accessors

891
src/Instrumentation/navradio.cxx Normal file
View file

@ -0,0 +1,891 @@
// navradio.cxx -- class to manage a nav radio instance
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 - 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <iostream>
#include <string>
#include <sstream>
#include <simgear/compiler.h>
#include <simgear/sg_inlines.h>
#include <simgear/math/sg_random.h>
#include <simgear/math/vector.hxx>
#include <Aircraft/aircraft.hxx>
#include <Navaids/navlist.hxx>
#include "navradio.hxx"
#include <string>
SG_USING_STD(string);
// Constructor
FGNavRadio::FGNavRadio(SGPropertyNode *node) :
lon_node(fgGetNode("/position/longitude-deg", true)),
lat_node(fgGetNode("/position/latitude-deg", true)),
alt_node(fgGetNode("/position/altitude-ft", true)),
last_nav_id(""),
last_nav_vor(false),
nav_play_count(0),
nav_last_time(0),
need_update(true),
power_btn(true),
audio_btn(true),
nav_freq(0.0),
nav_alt_freq(0.0),
nav_heading(0.0),
nav_radial(0.0),
nav_target_radial(0.0),
nav_target_radial_true(0.0),
nav_target_auto_hdg(0.0),
nav_gs_rate_of_climb(0.0),
nav_vol_btn(0.0),
nav_ident_btn(true),
horiz_vel(0.0),
last_x(0.0),
name("nav"),
num(0)
{
SGPath path( globals->get_fg_root() );
SGPath term = path;
term.append( "Navaids/range.term" );
SGPath low = path;
low.append( "Navaids/range.low" );
SGPath high = path;
high.append( "Navaids/range.high" );
term_tbl = new SGInterpTable( term.str() );
low_tbl = new SGInterpTable( low.str() );
high_tbl = new SGInterpTable( high.str() );
int i;
for ( i = 0; i < node->nChildren(); ++i ) {
SGPropertyNode *child = node->getChild(i);
string cname = child->getName();
string cval = child->getStringValue();
if ( cname == "name" ) {
name = cval;
} else if ( cname == "number" ) {
num = child->getIntValue();
} else {
SG_LOG( SG_INSTR, SG_WARN,
"Error in nav radio config logic" );
if ( name.length() ) {
SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
}
}
}
}
// Destructor
FGNavRadio::~FGNavRadio()
{
delete term_tbl;
delete low_tbl;
delete high_tbl;
}
void
FGNavRadio::init ()
{
morse.init();
string branch;
branch = "/instrumentation/" + name;
SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
bus_power =
fgGetNode(("/systems/electrical/outputs/" + name).c_str(), true);
nav_serviceable = node->getChild("serviceable", 0, true);
cdi_serviceable = (node->getChild("cdi", 0, true))
->getChild("serviceable", 0, true);
gs_serviceable = (node->getChild("gs", 0, true))
->getNode("serviceable");
tofrom_serviceable = (node->getChild("to-from", 0, true))
->getChild("serviceable", 0, true);
}
void
FGNavRadio::bind ()
{
std::ostringstream temp;
string branch;
temp << num;
branch = "/instrumentation/" + name + "[" + temp.str() + "]";
// User inputs
fgTie( (branch + "/frequencies/selected-mhz").c_str() , this,
&FGNavRadio::get_nav_freq, &FGNavRadio::set_nav_freq );
fgSetArchivable( (branch + "/frequencies/selected-mhz").c_str() );
fgTie( (branch + "/frequencies/standby-mhz").c_str() , this,
&FGNavRadio::get_nav_alt_freq, &FGNavRadio::set_nav_alt_freq);
fgSetArchivable( (branch + "/frequencies/standby-mhz").c_str() );
fgTie( (branch + "/radials/selected-deg").c_str() , this,
&FGNavRadio::get_nav_sel_radial, &FGNavRadio::set_nav_sel_radial );
fgSetArchivable((branch + "/radials/selected-deg").c_str() );
fgTie( (branch + "/volume").c_str() , this,
&FGNavRadio::get_nav_vol_btn, &FGNavRadio::set_nav_vol_btn );
fgSetArchivable( (branch + "/volume").c_str() );
fgTie( (branch + "/ident").c_str(), this,
&FGNavRadio::get_nav_ident_btn, &FGNavRadio::set_nav_ident_btn );
fgSetArchivable( (branch + "/ident").c_str() );
// Radio outputs
fgTie( (branch + "/audio-btn").c_str(), this,
&FGNavRadio::get_audio_btn, &FGNavRadio::set_audio_btn );
fgSetArchivable( (branch + "/audio-btn").c_str() );
fgTie( (branch + "/heading-deg").c_str(),
this, &FGNavRadio::get_nav_heading );
fgTie( (branch + "/radials/actual-deg").c_str(),
this, &FGNavRadio::get_nav_radial );
fgTie( (branch + "/radials/target-radial-deg").c_str(),
this, &FGNavRadio::get_nav_target_radial_true );
fgTie( (branch + "/radials/target-auto-hdg-deg").c_str(),
this, &FGNavRadio::get_nav_target_auto_hdg );
fgTie( (branch + "/to-flag").c_str(),
this, &FGNavRadio::get_nav_to_flag );
fgTie( (branch + "/from-flag").c_str(),
this, &FGNavRadio::get_nav_from_flag );
fgTie( (branch + "/in-range").c_str(),
this, &FGNavRadio::get_nav_inrange );
fgTie( (branch + "/heading-needle-deflection").c_str(),
this, &FGNavRadio::get_nav_cdi_deflection );
fgTie( (branch + "/crosstrack-error-m").c_str(),
this, &FGNavRadio::get_nav_cdi_xtrack_error );
fgTie( (branch + "/has-gs").c_str(),
this, &FGNavRadio::get_nav_has_gs );
fgTie( (branch + "/nav-loc").c_str(),
this, &FGNavRadio::get_nav_loc );
fgTie( (branch + "/gs-rate-of-climb").c_str(),
this, &FGNavRadio::get_nav_gs_rate_of_climb );
fgTie( (branch + "/gs-needle-deflection").c_str(),
this, &FGNavRadio::get_nav_gs_deflection );
fgTie( (branch + "/nav-id").c_str(),
this, &FGNavRadio::get_nav_id );
// put nav_id characters into seperate properties for instrument displays
fgTie( (branch + "/nav-id_asc1").c_str(),
this, &FGNavRadio::get_nav_id_c1 );
fgTie( (branch + "/nav-id_asc2").c_str(),
this, &FGNavRadio::get_nav_id_c2 );
fgTie( (branch + "/nav-id_asc3").c_str(),
this, &FGNavRadio::get_nav_id_c3 );
fgTie( (branch + "/nav-id_asc4").c_str(),
this, &FGNavRadio::get_nav_id_c4 );
// end of binding
}
void
FGNavRadio::unbind ()
{
std::ostringstream temp;
string branch;
temp << num;
branch = "/instrumentation/" + name + "[" + temp.str() + "]";
fgUntie( (branch + "/frequencies/selected-mhz").c_str() );
fgUntie( (branch + "/frequencies/standby-mhz").c_str() );
fgUntie( (branch + "/radials/actual-deg").c_str() );
fgUntie( (branch + "/radials/selected-deg").c_str() );
fgUntie( (branch + "/ident").c_str() );
fgUntie( (branch + "/to-flag").c_str() );
fgUntie( (branch + "/from-flag").c_str() );
fgUntie( (branch + "/in-range").c_str() );
fgUntie( (branch + "/heading-needle-deflection").c_str() );
fgUntie( (branch + "/gs-needle-deflection").c_str() );
}
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double FGNavRadio::adjustNavRange( double stationElev, double aircraftElev,
double nominalRange )
{
// extend out actual usable range to be 1.3x the published safe range
const double usability_factor = 1.3;
// assumptions we model the standard service volume, plus
// ... rather than specifying a cylinder, we model a cone that
// contains the cylinder. Then we put an upside down cone on top
// to model diminishing returns at too-high altitudes.
// altitude difference
double alt = ( aircraftElev * SG_METER_TO_FEET - stationElev );
// cout << "aircraft elev = " << aircraftElev * SG_METER_TO_FEET
// << " station elev = " << stationElev << endl;
if ( nominalRange < 25.0 + SG_EPSILON ) {
// Standard Terminal Service Volume
return term_tbl->interpolate( alt ) * usability_factor;
} else if ( nominalRange < 50.0 + SG_EPSILON ) {
// Standard Low Altitude Service Volume
// table is based on range of 40, scale to actual range
return low_tbl->interpolate( alt ) * nominalRange / 40.0
* usability_factor;
} else {
// Standard High Altitude Service Volume
// table is based on range of 130, scale to actual range
return high_tbl->interpolate( alt ) * nominalRange / 130.0
* usability_factor;
}
}
// model standard ILS service volumes as per AIM 1-1-9
double FGNavRadio::adjustILSRange( double stationElev, double aircraftElev,
double offsetDegrees, double distance )
{
// assumptions we model the standard service volume, plus
// altitude difference
// double alt = ( aircraftElev * SG_METER_TO_FEET - stationElev );
// double offset = fabs( offsetDegrees );
// if ( offset < 10 ) {
// return FG_ILS_DEFAULT_RANGE;
// } else if ( offset < 35 ) {
// return 10 + (35 - offset) * (FG_ILS_DEFAULT_RANGE - 10) / 25;
// } else if ( offset < 45 ) {
// return (45 - offset);
// } else if ( offset > 170 ) {
// return FG_ILS_DEFAULT_RANGE;
// } else if ( offset > 145 ) {
// return 10 + (offset - 145) * (FG_ILS_DEFAULT_RANGE - 10) / 25;
// } else if ( offset > 135 ) {
// return (offset - 135);
// } else {
// return 0;
// }
return FG_LOC_DEFAULT_RANGE;
}
// Update the various nav values based on position and valid tuned in navs
void
FGNavRadio::update(double dt)
{
double lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
need_update = false;
Point3D aircraft = sgGeodToCart( Point3D( lon, lat, elev ) );
Point3D station;
double az1, az2, s;
// On timeout, scan again
_time_before_search_sec -= dt;
if ( _time_before_search_sec < 0 ) {
search();
}
////////////////////////////////////////////////////////////////////////
// Nav.
////////////////////////////////////////////////////////////////////////
if ( nav_valid && power_btn && (bus_power->getDoubleValue() > 1.0)
&& nav_serviceable->getBoolValue() )
{
station = Point3D( nav_x, nav_y, nav_z );
nav_loc_dist = aircraft.distance3D( station );
if ( nav_has_gs ) {
// find closest distance to the gs base line
sgdVec3 p;
sgdSetVec3( p, aircraft.x(), aircraft.y(), aircraft.z() );
sgdVec3 p0;
sgdSetVec3( p0, nav_gs_x, nav_gs_y, nav_gs_z );
double dist = sgdClosestPointToLineDistSquared( p, p0,
gs_base_vec );
nav_gs_dist = sqrt( dist );
// cout << "nav_gs_dist = " << nav_gs_dist << endl;
Point3D tmp( nav_gs_x, nav_gs_y, nav_gs_z );
// cout << " (" << aircraft.distance3D( tmp ) << ")" << endl;
// wgs84 heading to glide slope (to determine sign of distance)
geo_inverse_wgs_84( elev,
lat * SGD_RADIANS_TO_DEGREES,
lon * SGD_RADIANS_TO_DEGREES,
nav_gslat, nav_gslon,
&az1, &az2, &s );
double r = az1 - nav_target_radial;
while ( r > 180.0 ) { r -= 360.0;}
while ( r < -180.0 ) { r += 360.0;}
if ( r >= -90.0 && r <= 90.0 ) {
nav_gs_dist_signed = nav_gs_dist;
} else {
nav_gs_dist_signed = -nav_gs_dist;
}
/* cout << "Target Radial = " << nav_target_radial
<< " Bearing = " << az1
<< " dist (signed) = " << nav_gs_dist_signed
<< endl; */
} else {
nav_gs_dist = 0.0;
}
// wgs84 heading to localizer
geo_inverse_wgs_84( elev,
lat * SGD_RADIANS_TO_DEGREES,
lon * SGD_RADIANS_TO_DEGREES,
nav_loclat, nav_loclon,
&nav_heading, &az2, &s );
// cout << "az1 = " << az1 << " magvar = " << nav_magvar << endl;
nav_radial = az2 - nav_twist;
// cout << " heading = " << nav_heading
// << " dist = " << nav_dist << endl;
if ( nav_loc ) {
double offset = nav_radial - nav_target_radial;
while ( offset < -180.0 ) { offset += 360.0; }
while ( offset > 180.0 ) { offset -= 360.0; }
// cout << "ils offset = " << offset << endl;
nav_effective_range
= adjustILSRange( nav_elev, elev, offset,
nav_loc_dist * SG_METER_TO_NM );
} else {
nav_effective_range = adjustNavRange( nav_elev, elev, nav_range );
}
// cout << "nav range = " << nav_effective_range
// << " (" << nav_range << ")" << endl;
if ( nav_loc_dist < nav_effective_range * SG_NM_TO_METER ) {
nav_inrange = true;
} else if ( nav_loc_dist < 2 * nav_effective_range * SG_NM_TO_METER ) {
nav_inrange = sg_random() <
( 2 * nav_effective_range * SG_NM_TO_METER - nav_loc_dist ) /
(nav_effective_range * SG_NM_TO_METER);
} else {
nav_inrange = false;
}
if ( !nav_loc ) {
nav_target_radial = nav_sel_radial;
}
// Calculate some values for the nav/ils hold autopilot
double cur_radial = get_nav_reciprocal_radial();
if ( nav_loc ) {
// ILS localizers radials are already "true" in our
// database
} else {
cur_radial += nav_twist;
}
if ( get_nav_from_flag() ) {
cur_radial += 180.0;
while ( cur_radial >= 360.0 ) { cur_radial -= 360.0; }
}
// AUTOPILOT HELPERS
// determine the target radial in "true" heading
nav_target_radial_true = nav_target_radial;
if ( nav_loc ) {
// ILS localizers radials are already "true" in our
// database
} else {
// VOR radials need to have that vor's offset added in
nav_target_radial_true += nav_twist;
}
while ( nav_target_radial_true < 0.0 ) {
nav_target_radial_true += 360.0;
}
while ( nav_target_radial_true > 360.0 ) {
nav_target_radial_true -= 360.0;
}
// determine the heading adjustment needed.
// over 8km scale by 3.0
// (3 is chosen because max deflection is 10
// and 30 is clamped angle to radial)
// under 8km scale by 10.0
// because the overstated error helps drive it to the radial in a
// moderate cross wind.
double adjustment = 0.0;
if (nav_loc_dist > 8000) {
adjustment = get_nav_cdi_deflection() * 3.0;
} else {
adjustment = get_nav_cdi_deflection() * 10.0;
}
SG_CLAMP_RANGE( adjustment, -30.0, 30.0 );
// determine the target heading to fly to intercept the
// tgt_radial
nav_target_auto_hdg = nav_target_radial_true + adjustment;
while ( nav_target_auto_hdg < 0.0 ) { nav_target_auto_hdg += 360.0; }
while ( nav_target_auto_hdg > 360.0 ) { nav_target_auto_hdg -= 360.0; }
// cross track error
// ????
// Calculate desired rate of climb for intercepting the GS
double x = nav_gs_dist;
double y = (alt_node->getDoubleValue() - nav_elev)
* SG_FEET_TO_METER;
double current_angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
double target_angle = nav_target_gs;
double gs_diff = target_angle - current_angle;
// convert desired vertical path angle into a climb rate
double des_angle = current_angle - 10 * gs_diff;
// estimate horizontal speed towards ILS in meters per minute
double dist = last_x - x;
last_x = x;
if ( dt > 0.0 ) {
// avoid nan
double new_vel = ( dist / dt );
horiz_vel = 0.75 * horiz_vel + 0.25 * new_vel;
// double horiz_vel = cur_fdm_state->get_V_ground_speed()
// * SG_FEET_TO_METER * 60.0;
// double horiz_vel = airspeed_node->getFloatValue()
// * SG_FEET_TO_METER * 60.0;
nav_gs_rate_of_climb = -sin( des_angle * SGD_DEGREES_TO_RADIANS )
* horiz_vel * SG_METER_TO_FEET;
}
} else {
nav_inrange = false;
// cout << "not picking up vor. :-(" << endl;
}
if ( nav_valid && nav_inrange && nav_serviceable->getBoolValue() ) {
// play station ident via audio system if on + ident,
// otherwise turn it off
if ( power_btn && (bus_power->getDoubleValue() > 1.0)
&& nav_ident_btn && audio_btn )
{
SGSoundSample *sound;
sound = globals->get_soundmgr()->find( nav_fx_name );
if ( sound != NULL ) {
sound->set_volume( nav_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav-vor-ident sound" );
}
sound = globals->get_soundmgr()->find( dme_fx_name );
if ( sound != NULL ) {
sound->set_volume( nav_vol_btn );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav-dme-ident sound" );
}
// cout << "nav_last_time = " << nav_last_time << " ";
// cout << "cur_time = "
// << globals->get_time_params()->get_cur_time();
if ( nav_last_time <
globals->get_time_params()->get_cur_time() - 30 ) {
nav_last_time = globals->get_time_params()->get_cur_time();
nav_play_count = 0;
}
// cout << " nav_play_count = " << nav_play_count << endl;
// cout << "playing = "
// << globals->get_soundmgr()->is_playing(nav_fx_name)
// << endl;
if ( nav_play_count < 4 ) {
// play VOR ident
if ( !globals->get_soundmgr()->is_playing(nav_fx_name) ) {
globals->get_soundmgr()->play_once( nav_fx_name );
++nav_play_count;
}
} else if ( nav_play_count < 5 && nav_has_dme ) {
// play DME ident
if ( !globals->get_soundmgr()->is_playing(nav_fx_name) &&
!globals->get_soundmgr()->is_playing(dme_fx_name) ) {
globals->get_soundmgr()->play_once( dme_fx_name );
++nav_play_count;
}
}
} else {
globals->get_soundmgr()->stop( nav_fx_name );
globals->get_soundmgr()->stop( dme_fx_name );
}
}
}
// Update current nav/adf radio stations based on current postition
void FGNavRadio::search()
{
// reset search time
_time_before_search_sec = 1.0;
double lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
FGNavRecord *nav = NULL;
FGNavRecord *loc = NULL;
FGNavRecord *dme = NULL;
FGNavRecord *gs = NULL;
////////////////////////////////////////////////////////////////////////
// Nav.
////////////////////////////////////////////////////////////////////////
nav = globals->get_navlist()->findByFreq(nav_freq, lon, lat, elev);
dme = globals->get_dmelist()->findByFreq(nav_freq, lon, lat, elev);
if ( nav == NULL ) {
loc = globals->get_loclist()->findByFreq(nav_freq, lon, lat, elev);
gs = globals->get_gslist()->findByFreq(nav_freq, lon, lat, elev);
}
if ( loc != NULL ) {
nav_id = loc->get_ident();
// cout << "localizer = " << nav_id << endl;
nav_valid = true;
if ( last_nav_id != nav_id || last_nav_vor ) {
nav_trans_ident = loc->get_trans_ident();
nav_target_radial = loc->get_multiuse();
while ( nav_target_radial < 0.0 ) { nav_target_radial += 360.0; }
while ( nav_target_radial > 360.0 ) { nav_target_radial -= 360.0; }
nav_loclon = loc->get_lon();
nav_loclat = loc->get_lat();
nav_x = loc->get_x();
nav_y = loc->get_y();
nav_z = loc->get_z();
last_nav_id = nav_id;
last_nav_vor = false;
nav_loc = true;
nav_has_dme = (dme != NULL);
nav_has_gs = (gs != NULL);
if ( nav_has_gs ) {
nav_gslon = gs->get_lon();
nav_gslat = gs->get_lat();
nav_elev = gs->get_elev_ft();
int tmp = (int)(gs->get_multiuse() / 1000.0);
nav_target_gs = (double)tmp / 100.0;
nav_gs_x = gs->get_x();
nav_gs_y = gs->get_y();
nav_gs_z = gs->get_z();
// derive GS baseline (perpendicular to the runay
// along the ground)
double tlon, tlat, taz;
geo_direct_wgs_84 ( 0.0, nav_gslat, nav_gslon,
nav_target_radial + 90,
100.0, &tlat, &tlon, &taz );
// cout << "nav_target_radial = " << nav_target_radial << endl;
// cout << "nav_loc = " << nav_loc << endl;
// cout << nav_gslon << "," << nav_gslat << " "
// << tlon << "," << tlat << " (" << nav_elev << ")"
// << endl;
Point3D p1 = sgGeodToCart( Point3D(tlon*SGD_DEGREES_TO_RADIANS,
tlat*SGD_DEGREES_TO_RADIANS,
nav_elev*SG_FEET_TO_METER)
);
// cout << nav_gs_x << "," << nav_gs_y << "," << nav_gs_z
// << endl;
// cout << p1 << endl;
sgdSetVec3( gs_base_vec,
p1.x()-nav_gs_x, p1.y()-nav_gs_y, p1.z()-nav_gs_z );
// cout << gs_base_vec[0] << "," << gs_base_vec[1] << ","
// << gs_base_vec[2] << endl;
} else {
nav_elev = loc->get_elev_ft();
}
nav_twist = 0;
nav_range = FG_LOC_DEFAULT_RANGE;
nav_effective_range = nav_range;
if ( globals->get_soundmgr()->exists( nav_fx_name ) ) {
globals->get_soundmgr()->remove( nav_fx_name );
}
SGSoundSample *sound;
sound = morse.make_ident( nav_trans_ident, LO_FREQUENCY );
sound->set_volume( 0.3 );
globals->get_soundmgr()->add( sound, nav_fx_name );
if ( globals->get_soundmgr()->exists( dme_fx_name ) ) {
globals->get_soundmgr()->remove( dme_fx_name );
}
sound = morse.make_ident( nav_trans_ident, HI_FREQUENCY );
sound->set_volume( 0.3 );
globals->get_soundmgr()->add( sound, dme_fx_name );
int offset = (int)(sg_random() * 30.0);
nav_play_count = offset / 4;
nav_last_time = globals->get_time_params()->get_cur_time() -
offset;
// cout << "offset = " << offset << " play_count = "
// << nav_play_count
// << " nav_last_time = " << nav_last_time
// << " current time = "
// << globals->get_time_params()->get_cur_time() << endl;
// cout << "Found an loc station in range" << endl;
// cout << " id = " << loc->get_locident() << endl;
}
} else if ( nav != NULL ) {
nav_id = nav->get_ident();
// cout << "nav = " << nav_id << endl;
nav_valid = true;
if ( last_nav_id != nav_id || !last_nav_vor ) {
last_nav_id = nav_id;
last_nav_vor = true;
nav_trans_ident = nav->get_trans_ident();
nav_loc = false;
nav_has_dme = (dme != NULL);
nav_has_gs = false;
nav_loclon = nav->get_lon();
nav_loclat = nav->get_lat();
nav_elev = nav->get_elev_ft();
nav_twist = nav->get_multiuse();
nav_range = nav->get_range();
nav_effective_range = adjustNavRange(nav_elev, elev, nav_range);
nav_target_gs = 0.0;
nav_target_radial = nav_sel_radial;
nav_x = nav->get_x();
nav_y = nav->get_y();
nav_z = nav->get_z();
if ( globals->get_soundmgr()->exists( nav_fx_name ) ) {
globals->get_soundmgr()->remove( nav_fx_name );
}
SGSoundSample *sound;
sound = morse.make_ident( nav_trans_ident, LO_FREQUENCY );
sound->set_volume( 0.3 );
if ( globals->get_soundmgr()->add( sound, nav_fx_name ) ) {
// cout << "Added nav-vor-ident sound" << endl;
} else {
SG_LOG(SG_COCKPIT, SG_WARN, "Failed to add v1-vor-ident sound");
}
if ( globals->get_soundmgr()->exists( dme_fx_name ) ) {
globals->get_soundmgr()->remove( dme_fx_name );
}
sound = morse.make_ident( nav_trans_ident, HI_FREQUENCY );
sound->set_volume( 0.3 );
globals->get_soundmgr()->add( sound, dme_fx_name );
int offset = (int)(sg_random() * 30.0);
nav_play_count = offset / 4;
nav_last_time = globals->get_time_params()->get_cur_time() -
offset;
// cout << "offset = " << offset << " play_count = "
// << nav_play_count << " nav_last_time = "
// << nav_last_time << " current time = "
// << globals->get_time_params()->get_cur_time() << endl;
// cout << "Found a vor station in range" << endl;
// cout << " id = " << nav->get_ident() << endl;
}
} else {
nav_valid = false;
nav_id = "";
nav_target_radial = 0;
nav_trans_ident = "";
last_nav_id = "";
if ( ! globals->get_soundmgr()->remove( nav_fx_name ) ) {
SG_LOG(SG_COCKPIT, SG_WARN, "Failed to remove nav-vor-ident sound");
}
globals->get_soundmgr()->remove( dme_fx_name );
// cout << "not picking up vor1. :-(" << endl;
}
}
// return the amount of heading needle deflection, returns a value
// clamped to the range of ( -10 , 10 )
double FGNavRadio::get_nav_cdi_deflection() const {
double r;
if ( nav_inrange
&& nav_serviceable->getBoolValue() && cdi_serviceable->getBoolValue() )
{
r = nav_radial - nav_target_radial;
// cout << "Target radial = " << nav_target_radial
// << " Actual radial = " << nav_radial << endl;
while ( r > 180.0 ) { r -= 360.0;}
while ( r < -180.0 ) { r += 360.0;}
if ( fabs(r) > 90.0 )
r = ( r<0.0 ? -r-180.0 : -r+180.0 );
// According to Robin Peel, the ILS is 4x more sensitive than a vor
r = -r; // reverse, since radial is outbound
if ( nav_loc ) { r *= 4.0; }
if ( r < -10.0 ) { r = -10.0; }
if ( r > 10.0 ) { r = 10.0; }
} else {
r = 0.0;
}
return r;
}
// return the amount of cross track distance error, returns a meters
double FGNavRadio::get_nav_cdi_xtrack_error() const {
double r, m;
if ( nav_inrange
&& nav_serviceable->getBoolValue() && cdi_serviceable->getBoolValue() )
{
r = nav_radial - nav_target_radial;
// cout << "Target radial = " << nav_target_radial
// << " Actual radial = " << nav_radial
// << " r = " << r << endl;
while ( r > 180.0 ) { r -= 360.0;}
while ( r < -180.0 ) { r += 360.0;}
if ( fabs(r) > 90.0 )
r = ( r<0.0 ? -r-180.0 : -r+180.0 );
r = -r; // reverse, since radial is outbound
m = nav_loc_dist * sin(r * SGD_DEGREES_TO_RADIANS);
} else {
m = 0.0;
}
return m;
}
// return the amount of glide slope needle deflection (.i.e. the
// number of degrees we are off the glide slope * 5.0
double FGNavRadio::get_nav_gs_deflection() const {
if ( nav_inrange && nav_has_gs
&& nav_serviceable->getBoolValue() && gs_serviceable->getBoolValue() )
{
double x = nav_gs_dist;
double y = (fgGetDouble("/position/altitude-ft") - nav_elev)
* SG_FEET_TO_METER;
// cout << "dist = " << x << " height = " << y << endl;
double angle = asin( y / x ) * SGD_RADIANS_TO_DEGREES;
return (nav_target_gs - angle) * 5.0;
} else {
return 0.0;
}
}
/**
* Return true if the NAV TO flag should be active.
*/
bool
FGNavRadio::get_nav_to_flag () const
{
if ( nav_inrange
&& nav_serviceable->getBoolValue()
&& tofrom_serviceable->getBoolValue() )
{
double offset = fabs(nav_radial - nav_target_radial);
if (nav_loc) {
return true;
} else {
return !(offset <= 90.0 || offset >= 270.0);
}
} else {
return false;
}
}
/**
* Return true if the NAV FROM flag should be active.
*/
bool
FGNavRadio::get_nav_from_flag () const
{
if ( nav_inrange
&& nav_serviceable->getBoolValue()
&& tofrom_serviceable->getBoolValue() ) {
double offset = fabs(nav_radial - nav_target_radial);
if (nav_loc) {
return false;
} else {
return !(offset > 90.0 && offset < 270.0);
}
} else {
return false;
}
}
/**
* Return the true heading to station
*/
double
FGNavRadio::get_nav_heading () const
{
return nav_heading;
}
/**
* Return the current radial.
*/
double
FGNavRadio::get_nav_radial () const
{
return nav_radial;
}
double
FGNavRadio::get_nav_reciprocal_radial () const
{
double recip = nav_radial + 180;
if ( recip >= 360 ) {
recip -= 360;
}
return recip;
}

223
src/Instrumentation/navradio.hxx Normal file
View file

@ -0,0 +1,223 @@
// navradio.hxx -- class to manage a nav radio instance
//
// Written by Curtis Olson, started April 2000.
//
// Copyright (C) 2000 - 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
#ifndef _FG_NAVRADIO_HXX
#define _FG_NAVRADIO_HXX
#include <Main/fg_props.hxx>
#include <simgear/compiler.h>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/math/interpolater.hxx>
#include <simgear/timing/timestamp.hxx>
#include <Navaids/navlist.hxx>
#include <Sound/morse.hxx>
class FGNavRadio : public SGSubsystem
{
FGMorse morse;
SGInterpTable *term_tbl;
SGInterpTable *low_tbl;
SGInterpTable *high_tbl;
SGPropertyNode *lon_node;
SGPropertyNode *lat_node;
SGPropertyNode *alt_node;
SGPropertyNode *bus_power;
SGPropertyNode *nav_serviceable;
SGPropertyNode *cdi_serviceable, *gs_serviceable, *tofrom_serviceable;
string last_nav_id;
bool last_nav_vor;
int nav_play_count;
time_t nav_last_time;
int index; // used for property binding
char nav_fx_name[256];
char dme_fx_name[256];
bool need_update;
bool power_btn;
bool audio_btn;
string nav_id;
string nav_trans_ident;
bool nav_valid;
bool nav_inrange;
bool nav_has_dme;
bool nav_has_gs;
bool nav_loc;
double nav_freq;
double nav_alt_freq;
double nav_heading; // true heading to nav station
double nav_radial; // current radial we are on (taking
// into consideration the vor station
// alignment which likely doesn't
// match the magnetic alignment
// exactly.)
double nav_sel_radial;
double nav_target_radial;
double nav_target_radial_true;
double nav_target_auto_hdg;
double nav_loclon;
double nav_loclat;
double nav_x;
double nav_y;
double nav_z;
double nav_loc_dist;
double nav_gslon;
double nav_gslat;
double nav_elev; // use gs elev if available
double nav_gs_x;
double nav_gs_y;
double nav_gs_z;
sgdVec3 gs_base_vec;
double nav_gs_dist;
double nav_gs_dist_signed;
double nav_gs_rate_of_climb;
SGTimeStamp prev_time;
SGTimeStamp curr_time;
double nav_range;
double nav_effective_range;
double nav_target_gs;
double nav_twist;
double nav_vol_btn;
bool nav_ident_btn;
double horiz_vel;
double last_x;
string name;
int num;
// internal periodic station search timer
double _time_before_search_sec;
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double adjustNavRange( double stationElev, double aircraftElev,
double nominalRange );
// model standard ILS service volumes as per AIM 1-1-9
double adjustILSRange( double stationElev, double aircraftElev,
double offsetDegrees, double distance );
public:
FGNavRadio(SGPropertyNode *node);
~FGNavRadio();
void init ();
void bind ();
void unbind ();
void update (double dt);
// Update nav/adf radios based on current postition
void search ();
inline void set_bind_index( int i ) {
index = i;
sprintf( nav_fx_name, "nav%d-vor-ident", index );
sprintf( dme_fx_name, "dme%d-vor-ident", index );
}
// NavCom Setters
inline void set_power_btn( bool val ) { power_btn = val; }
inline void set_audio_btn( bool val ) { audio_btn = val; }
// NAV Setters
inline void set_nav_freq( double freq ) {
nav_freq = freq; need_update = true;
}
inline void set_nav_alt_freq( double freq ) { nav_alt_freq = freq; }
inline void set_nav_sel_radial( double radial ) {
nav_sel_radial = radial; need_update = true;
}
inline void set_nav_vol_btn( double val ) {
if ( val < 0.0 ) val = 0.0;
if ( val > 1.0 ) val = 1.0;
nav_vol_btn = val;
}
inline void set_nav_ident_btn( bool val ) { nav_ident_btn = val; }
// NavCom Accessors
inline bool has_power() const {
return power_btn && (bus_power->getDoubleValue() > 1.0);
}
inline bool get_power_btn() const { return power_btn; }
inline bool get_audio_btn() const { return audio_btn; }
// NAV Accessors
inline double get_nav_freq () const { return nav_freq; }
inline double get_nav_alt_freq () const { return nav_alt_freq; }
inline double get_nav_sel_radial() const { return nav_sel_radial; }
inline double get_nav_target_radial() const { return nav_target_radial; }
inline double get_nav_target_radial_true() const {
return nav_target_radial_true;
}
inline double get_nav_target_auto_hdg() const {
return nav_target_auto_hdg;
}
// Calculated values.
inline bool get_nav_inrange() const { return nav_inrange; }
bool get_nav_to_flag () const;
bool get_nav_from_flag () const;
inline bool get_nav_has_dme() const { return nav_has_dme; }
inline bool get_nav_dme_inrange () const {
return nav_inrange && nav_has_dme;
}
inline bool get_nav_has_gs() const { return nav_has_gs; }
inline bool get_nav_loc() const { return nav_loc; }
inline double get_nav_loclon() const { return nav_loclon; }
inline double get_nav_loclat() const { return nav_loclat; }
inline double get_nav_loc_dist() const { return nav_loc_dist; }
inline double get_nav_gslon() const { return nav_gslon; }
inline double get_nav_gslat() const { return nav_gslat; }
inline double get_nav_gs_dist() const { return nav_gs_dist; }
inline double get_nav_gs_dist_signed() const { return nav_gs_dist_signed; }
inline double get_nav_gs_rate_of_climb() const {
return nav_gs_rate_of_climb;
}
inline double get_nav_elev() const { return nav_elev; }
double get_nav_heading() const;
double get_nav_radial() const;
double get_nav_reciprocal_radial() const;
inline double get_nav_target_gs() const { return nav_target_gs; }
inline double get_nav_twist() const { return nav_twist; }
double get_nav_cdi_deflection() const;
double get_nav_cdi_xtrack_error() const;
double get_nav_gs_deflection() const;
inline double get_nav_vol_btn() const { return nav_vol_btn; }
inline bool get_nav_ident_btn() const { return nav_ident_btn; }
inline const char * get_nav_id() const { return nav_id.c_str(); }
inline int get_nav_id_c1() const { return nav_id.c_str()[0]; }
inline int get_nav_id_c2() const { return nav_id.c_str()[1]; }
inline int get_nav_id_c3() const { return nav_id.c_str()[2]; }
inline int get_nav_id_c4() const { return nav_id.c_str()[3]; }
};
#endif // _FG_NAVRADIO_HXX