# include <config.h>
#endif
+#include <stdio.h> // snprintf
+
#include <simgear/compiler.h>
#include <simgear/math/sg_random.h>
#include <Navaids/ilslist.hxx>
#include <Navaids/mkrbeacons.hxx>
#include <Navaids/navlist.hxx>
-#include <Time/event.hxx>
+#include <Time/FGEventMgr.hxx>
#include "radiostack.hxx"
-static int nav1_play_count = 0;
-static int nav2_play_count = 0;
-static int adf_play_count = 0;
-static time_t nav1_last_time = 0;
-static time_t nav2_last_time = 0;
-static time_t adf_last_time = 0;
+#include <string>
+SG_USING_STD(string);
FGRadioStack *current_radiostack;
}
-// periodic radio station search wrapper
-static void fgRadioSearch( void ) {
- current_radiostack->search();
-}
-
// Constructor
FGRadioStack::FGRadioStack() :
lon_node(fgGetNode("/position/longitude-deg", true)),
lat_node(fgGetNode("/position/latitude-deg", true)),
alt_node(fgGetNode("/position/altitude-ft", true)),
need_update(true),
- nav1_radial(0.0),
- nav1_dme_dist(0.0),
- nav2_radial(0.0),
- nav2_dme_dist(0.0)
+ dme_freq(0.0),
+ dme_dist(0.0),
+ dme_prev_dist(0.0),
+ dme_spd(0.0),
+ dme_ete(0.0),
+ outer_blink(false),
+ middle_blink(false),
+ inner_blink(false)
{
SGPath path( globals->get_fg_root() );
SGPath term = path;
term_tbl = new SGInterpTable( term.str() );
low_tbl = new SGInterpTable( low.str() );
high_tbl = new SGInterpTable( high.str() );
+ dme_last_time.stamp();
}
// Destructor
FGRadioStack::~FGRadioStack()
{
+ navcom1.unbind();
+ navcom2.unbind();
+ adf.unbind();
+ xponder.unbind();
unbind(); // FIXME: should be called externally
delete term_tbl;
void
FGRadioStack::init ()
{
+ navcom1.set_bind_index( 0 );
+ navcom1.init();
+
+ navcom2.set_bind_index( 1 );
+ navcom2.init();
+
+ adf.init();
+ xponder.init();
+
morse.init();
beacon.init();
blink.stamp();
search();
- update();
+ navcom1.search();
+ navcom2.search();
+ adf.search();
+ xponder.search();
+
+ update(0); // FIXME: use dt
+ navcom1.update(0);
+ navcom2.update(0);
+ adf.update(0);
+ xponder.update(0);
// Search radio database once per second
- global_events.Register( "fgRadioSearch()", fgRadioSearch,
- fgEVENT::FG_EVENT_READY, 1000);
+ global_events.Register( "fgRadioSearch()",
+ current_radiostack, &FGRadioStack::search,
+ 1000 );
}
void
FGRadioStack::bind ()
{
+
// User inputs
- fgTie("/radios/nav[0]/frequencies/selected-mhz", this,
- &FGRadioStack::get_nav1_freq, &FGRadioStack::set_nav1_freq);
- fgSetArchivable("/radios/nav[0]/frequencies/selected-mhz");
- fgTie("/radios/nav[0]/standby-mhz", this,
- &FGRadioStack::get_nav1_alt_freq, &FGRadioStack::set_nav1_alt_freq);
- fgSetArchivable("/radios/nav[0]/standby-mhz");
- fgTie("/radios/nav[0]/radials/selected-deg", this,
- &FGRadioStack::get_nav1_sel_radial,
- &FGRadioStack::set_nav1_sel_radial);
- fgSetArchivable("/radios/nav[0]/radials/selected-deg");
- fgTie("/radios/nav[0]/volume", this,
- &FGRadioStack::get_nav1_vol_btn,
- &FGRadioStack::set_nav1_vol_btn);
- fgSetArchivable("/radios/nav[0]/volume");
- fgTie("/radios/nav[0]/ident", this,
- &FGRadioStack::get_nav1_ident_btn,
- &FGRadioStack::set_nav1_ident_btn);
- fgSetArchivable("/radios/nav[0]/ident");
+ fgTie("/radios/dme/frequencies/selected-khz", this,
+ &FGRadioStack::get_dme_freq, &FGRadioStack::set_dme_freq);
// Radio outputs
- fgTie("/radios/nav[0]/radials/actual-deg", this,
- &FGRadioStack::get_nav1_radial);
- fgTie("/radios/nav[0]/to-flag", this, &FGRadioStack::get_nav1_to_flag);
- fgTie("/radios/nav[0]/from-flag", this, &FGRadioStack::get_nav1_from_flag);
- fgTie("/radios/nav[0]/in-range", this, &FGRadioStack::get_nav1_inrange);
- fgTie("/radios/nav[0]/dme/distance-nm", this,
- &FGRadioStack::get_nav1_dme_dist);
- fgTie("/radios/nav[0]/dme/in-range", this,
- &FGRadioStack::get_nav1_dme_inrange);
- fgTie("/radios/nav[0]/heading-needle-deflection", this,
- &FGRadioStack::get_nav1_heading_needle_deflection);
- fgTie("/radios/nav[0]/gs-needle-deflection", this,
- &FGRadioStack::get_nav1_gs_needle_deflection);
+ fgTie("/radios/dme/in-range", this, &FGRadioStack::get_dme_inrange);
- // User inputs
- fgTie("/radios/nav[1]/frequencies/selected-mhz", this,
- &FGRadioStack::get_nav2_freq, &FGRadioStack::set_nav2_freq);
- fgSetArchivable("/radios/nav[1]/frequencies/selected-mhz");
- fgTie("/radios/nav[1]/standby-mhz", this,
- &FGRadioStack::get_nav2_alt_freq, &FGRadioStack::set_nav2_alt_freq);
- fgSetArchivable("/radios/nav[1]/standby-mhz");
- fgTie("/radios/nav[1]/radials/selected-deg", this,
- &FGRadioStack::get_nav2_sel_radial,
- &FGRadioStack::set_nav2_sel_radial);
- fgSetArchivable("/radios/nav[1]/radials/selected-deg");
- fgTie("/radios/nav[1]/volume", this,
- &FGRadioStack::get_nav2_vol_btn,
- &FGRadioStack::set_nav2_vol_btn);
- fgSetArchivable("/radios/nav[1]/volume");
- fgTie("/radios/nav[1]/ident", this,
- &FGRadioStack::get_nav2_ident_btn,
- &FGRadioStack::set_nav2_ident_btn);
- fgSetArchivable("/radios/nav[1]/ident");
+ fgTie("/radios/dme/distance-nm", this, &FGRadioStack::get_dme_dist);
- // Radio outputs
- fgTie("/radios/nav[1]/radials/actual-deg", this,
- &FGRadioStack::get_nav2_radial);
- fgTie("/radios/nav[1]/to-flag", this, &FGRadioStack::get_nav2_to_flag);
- fgTie("/radios/nav[1]/from-flag", this, &FGRadioStack::get_nav2_from_flag);
- fgTie("/radios/nav[1]/in-range", this, &FGRadioStack::get_nav2_inrange);
- fgTie("/radios/nav[1]/dme/distance-nm", this,
- &FGRadioStack::get_nav2_dme_dist);
- fgTie("/radios/nav[1]/dme/in-range", this,
- &FGRadioStack::get_nav2_dme_inrange);
- fgTie("/radios/nav[1]/heading-needle-deflection", this,
- &FGRadioStack::get_nav2_heading_needle_deflection);
- fgTie("/radios/nav[1]/gs-needle-deflection", this,
- &FGRadioStack::get_nav2_gs_needle_deflection);
+ fgTie("/radios/dme/speed-kt", this, &FGRadioStack::get_dme_spd);
- // User inputs
- fgTie("/radios/adf/frequencies/selected-khz", this,
- &FGRadioStack::get_adf_freq, &FGRadioStack::set_adf_freq);
- fgSetArchivable("/radios/adf/frequencies/selected-khz");
- fgTie("/radios/adf/frequencies/standby-khz", this,
- &FGRadioStack::get_adf_alt_freq, &FGRadioStack::set_adf_alt_freq);
- fgSetArchivable("/radios/adf/frequencies/standby-khz");
- fgTie("/radios/adf/rotation-deg", this,
- &FGRadioStack::get_adf_rotation, &FGRadioStack::set_adf_rotation);
- fgSetArchivable("/radios/adf/rotation-deg");
- fgTie("/radios/adf/volume", this,
- &FGRadioStack::get_adf_vol_btn,
- &FGRadioStack::set_adf_vol_btn);
- fgSetArchivable("/radios/adf/volume");
- fgTie("/radios/adf/ident", this,
- &FGRadioStack::get_adf_ident_btn,
- &FGRadioStack::set_adf_ident_btn);
- fgSetArchivable("/radios/adf/ident");
+ fgTie("/radios/dme/ete-min", this, &FGRadioStack::get_dme_ete);
fgTie("/radios/marker-beacon/inner", this,
&FGRadioStack::get_inner_blink);
+
fgTie("/radios/marker-beacon/middle", this,
&FGRadioStack::get_middle_blink);
+
fgTie("/radios/marker-beacon/outer", this,
&FGRadioStack::get_outer_blink);
+
+ navcom1.set_bind_index( 0 );
+ navcom1.bind();
+ navcom2.set_bind_index( 1 );
+ navcom2.bind();
+ adf.bind();
+ xponder.bind();
}
void
FGRadioStack::unbind ()
{
- fgUntie("/radios/nav[0]/frequencies/selected-mhz");
- fgUntie("/radios/nav[0]/standby-mhz");
- fgUntie("/radios/nav[0]/radials/actual-deg");
- fgUntie("/radios/nav[0]/radials/selected-deg");
- fgUntie("/radios/nav[0]/on");
- fgUntie("/radios/nav[0]/ident");
- fgUntie("/radios/nav[0]/to-flag");
- fgUntie("/radios/nav[0]/from-flag");
- fgUntie("/radios/nav[0]/in-range");
- fgUntie("/radios/nav[0]/dme/distance-nm");
- fgUntie("/radios/nav[0]/dme/in-range");
- fgUntie("/radios/nav[0]/heading-needle-deflection");
- fgUntie("/radios/nav[0]/gs-needle-deflection");
-
- fgUntie("/radios/nav[1]/frequencies/selected-mhz");
- fgUntie("/radios/nav[1]/standby-mhz");
- fgUntie("/radios/nav[1]//radials/actual-deg");
- fgUntie("/radios/nav[1]/radials/selected-deg");
- fgUntie("/radios/nav[1]/on");
- fgUntie("/radios/nav[1]/ident");
- fgUntie("/radios/nav[1]/to-flag");
- fgUntie("/radios/nav[1]/from-flag");
- fgUntie("/radios/nav[1]/in-range");
- fgUntie("/radios/nav[1]/dme/distance-nm");
- fgUntie("/radios/nav[1]/dme/in-range");
- fgUntie("/radios/nav[1]/heading-needle-deflection");
- fgUntie("/radios/nav[1]/gs-needle-deflection");
-
- fgUntie("/radios/adf/frequencies/selected-khz");
- fgUntie("/radios/adf/frequencies/standby-khz");
- fgUntie("/radios/adf/rotation-deg");
- fgUntie("/radios/adf/on");
- fgUntie("/radios/adf/ident");
+ fgUntie("/radios/dme/frequencies/selected-khz");
+
+ // Radio outputs
+ fgUntie("/radios/dme/in-range");
+ fgUntie("/radios/dme/distance-nm");
+ fgUntie("/radios/dme/speed-kt");
+ fgUntie("/radios/dme/ete-min");
fgUntie("/radios/marker-beacon/inner");
fgUntie("/radios/marker-beacon/middle");
fgUntie("/radios/marker-beacon/outer");
-}
-
-// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
-double FGRadioStack::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 FGRadioStack::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 {
- return 0;
- }
+ navcom1.unbind();
+ navcom2.unbind();
+ adf.unbind();
+ xponder.unbind();
}
// Update the various nav values based on position and valid tuned in navs
void
-FGRadioStack::update()
+FGRadioStack::update(double dt)
{
double lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
Point3D aircraft = sgGeodToCart( Point3D( lon, lat, elev ) );
Point3D station;
- double az1, az2, s;
-
- if ( nav1_valid ) {
- station = Point3D( nav1_x, nav1_y, nav1_z );
- nav1_loc_dist = aircraft.distance3D( station );
-
- if ( nav1_has_dme ) {
- // staightline distance
- station = Point3D( nav1_dme_x, nav1_dme_y, nav1_dme_z );
- nav1_dme_dist = aircraft.distance3D( station );
- } else {
- nav1_dme_dist = 0.0;
- }
- if ( nav1_has_gs ) {
- station = Point3D( nav1_gs_x, nav1_gs_y, nav1_gs_z );
- nav1_gs_dist = aircraft.distance3D( station );
- } else {
- nav1_gs_dist = 0.0;
- }
-
- // wgs84 heading
- geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
- nav1_loclat, nav1_loclon,
- &az1, &az2, &s );
- // cout << "az1 = " << az1 << " magvar = " << nav1_magvar << endl;
- nav1_heading = az1 - nav1_magvar;
- // cout << " heading = " << nav1_heading
- // << " dist = " << nav1_dist << endl;
-
- if ( nav1_loc ) {
- double offset = nav1_heading - nav1_radial;
- while ( offset < -180.0 ) { offset += 360.0; }
- while ( offset > 180.0 ) { offset -= 360.0; }
- // cout << "ils offset = " << offset << endl;
- nav1_effective_range = adjustILSRange(nav1_elev, elev, offset,
- nav1_loc_dist * SG_METER_TO_NM );
+ navcom1.update( dt );
+ navcom2.update( dt );
+
+ ////////////////////////////////////////////////////////////////////////
+ // DME.
+ ////////////////////////////////////////////////////////////////////////
+
+ if ( dme_valid ) {
+ station = Point3D( dme_x, dme_y, dme_z );
+ dme_dist = aircraft.distance3D( station ) * SG_METER_TO_NM;
+ dme_effective_range = kludgeRange(dme_elev, elev, dme_range);
+ if (dme_dist < dme_effective_range * SG_NM_TO_METER) {
+ dme_inrange = true;
+ } else if (dme_dist < 2 * dme_effective_range * SG_NM_TO_METER) {
+ dme_inrange = sg_random() <
+ (2 * dme_effective_range * SG_NM_TO_METER - dme_dist) /
+ (dme_effective_range * SG_NM_TO_METER);
} else {
- nav1_effective_range = adjustNavRange(nav1_elev, elev, nav1_range);
+ dme_inrange = false;
}
- // cout << "nav1 range = " << nav1_effective_range
- // << " (" << nav1_range << ")" << endl;
-
- if ( nav1_loc_dist < nav1_effective_range * SG_NM_TO_METER ) {
- nav1_inrange = true;
- } else if ( nav1_loc_dist < 2 * nav1_effective_range * SG_NM_TO_METER ) {
- nav1_inrange = sg_random() <
- ( 2 * nav1_effective_range * SG_NM_TO_METER - nav1_loc_dist ) /
- (nav1_effective_range * SG_NM_TO_METER);
- } else {
- nav1_inrange = false;
- }
-
- if ( !nav1_loc ) {
- nav1_radial = nav1_sel_radial;
+ if ( dme_inrange ) {
+ SGTimeStamp current_time;
+ station = Point3D( dme_x, dme_y, dme_z );
+ dme_dist = aircraft.distance3D( station ) * SG_METER_TO_NM;
+ current_time.stamp();
+ long dMs = (current_time - dme_last_time) / 1000;
+ // Update every second
+ if (dMs >= 1000) {
+ double dDist = dme_dist - dme_prev_dist;
+ dme_spd = fabs((dDist/dMs) * 3600000);
+ // FIXME: the panel should be able to
+ // handle this!!!
+ if (dme_spd > 999.0)
+ dme_spd = 999.0;
+ dme_ete = fabs((dme_dist/dme_spd) * 60.0);
+ // FIXME: the panel should be able to
+ // handle this!!!
+ if (dme_ete > 99.0)
+ dme_ete = 99.0;
+ dme_prev_dist = dme_dist;
+ dme_last_time.stamp();
+ }
}
} else {
- nav1_inrange = false;
- nav1_dme_dist = 0.0;
- // cout << "not picking up vor. :-(" << endl;
+ dme_inrange = false;
+ dme_dist = 0.0;
+ dme_prev_dist = 0.0;
+ dme_spd = 0.0;
+ dme_ete = 0.0;
}
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( nav1_valid && nav1_inrange ) {
- // play station ident via audio system if on + ident,
- // otherwise turn it off
- if ( nav1_vol_btn > 0.1 && nav1_ident_btn ) {
- FGSimpleSound *sound;
- sound = globals->get_soundmgr()->find( "nav1-vor-ident" );
- sound->set_volume( nav1_vol_btn * 0.3 );
- sound = globals->get_soundmgr()->find( "nav1-dme-ident" );
- sound->set_volume( nav1_vol_btn * 0.3 );
- if ( nav1_last_time <
- globals->get_time_params()->get_cur_time() - 30 ) {
- nav1_last_time = globals->get_time_params()->get_cur_time();
- nav1_play_count = 0;
- }
- if ( nav1_play_count < 4 ) {
- // play VOR ident
- if ( !globals->get_soundmgr()->is_playing("nav1-vor-ident") ) {
- globals->get_soundmgr()->play_once( "nav1-vor-ident" );
- ++nav1_play_count;
- }
- } else if ( nav1_play_count < 5 && nav1_has_dme ) {
- // play DME ident
- if ( !globals->get_soundmgr()->is_playing("nav1-vor-ident") &&
- !globals->get_soundmgr()->is_playing("nav1-dme-ident") ) {
- globals->get_soundmgr()->play_once( "nav1-dme-ident" );
- ++nav1_play_count;
- }
- }
- } else {
- globals->get_soundmgr()->stop( "nav1-vor-ident" );
- globals->get_soundmgr()->stop( "nav1-dme-ident" );
- }
- }
-#endif
-
- if ( nav2_valid ) {
- station = Point3D( nav2_x, nav2_y, nav2_z );
- nav2_loc_dist = aircraft.distance3D( station );
-
- if ( nav2_has_dme ) {
- // staightline distance
- station = Point3D( nav2_dme_x, nav2_dme_y, nav2_dme_z );
- nav2_dme_dist = aircraft.distance3D( station );
- } else {
- nav2_dme_dist = 0.0;
- }
-
- if ( nav2_has_gs ) {
- station = Point3D( nav2_gs_x, nav2_gs_y, nav2_gs_z );
- nav2_gs_dist = aircraft.distance3D( station );
- } else {
- nav2_gs_dist = 0.0;
- }
-
- // wgs84 heading
- geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
- nav2_loclat, nav2_loclon,
- &az1, &az2, &s );
- nav2_heading = az1 - nav2_magvar;
- // cout << " heading = " << nav2_heading
- // << " dist = " << nav2_dist << endl;
-
- if ( nav2_loc ) {
- double offset = nav2_heading - nav2_radial;
- while ( offset < -180.0 ) { offset += 360.0; }
- while ( offset > 180.0 ) { offset -= 360.0; }
- // cout << "ils offset = " << offset << endl;
- nav2_effective_range = adjustILSRange(nav2_elev, elev, offset,
- nav2_loc_dist * SG_METER_TO_NM );
- } else {
- nav2_effective_range = adjustNavRange(nav2_elev, elev, nav2_range);
- }
- // cout << "nav2 range = " << nav2_effective_range
- // << " (" << nav2_range << ")" << endl;
-
- if ( nav2_loc_dist < nav2_effective_range * SG_NM_TO_METER ) {
- nav2_inrange = true;
- } else if ( nav2_loc_dist < 2 * nav2_effective_range * SG_NM_TO_METER ) {
- nav2_inrange = sg_random() <
- ( 2 * nav2_effective_range * SG_NM_TO_METER - nav2_loc_dist ) /
- (nav2_effective_range * SG_NM_TO_METER);
- } else {
- nav2_inrange = false;
- }
-
- if ( !nav2_loc ) {
- nav2_radial = nav2_sel_radial;
- }
- } else {
- nav2_inrange = false;
- nav2_dme_dist = 0.0;
- // cout << "not picking up vor. :-(" << endl;
- }
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( nav2_valid && nav2_inrange ) {
- // play station ident via audio system if on + ident,
- // otherwise turn it off
- if ( nav2_vol_btn > 0.1 && nav2_ident_btn ) {
- FGSimpleSound *sound;
- sound = globals->get_soundmgr()->find( "nav2-vor-ident" );
- sound->set_volume( nav2_vol_btn * 0.3 );
- sound = globals->get_soundmgr()->find( "nav2-dme-ident" );
- sound->set_volume( nav2_vol_btn * 0.3 );
- if ( nav2_last_time <
- globals->get_time_params()->get_cur_time() - 30 ) {
- nav2_last_time = globals->get_time_params()->get_cur_time();
- nav2_play_count = 0;
- }
- if ( nav2_play_count < 4 ) {
- // play VOR ident
- if ( !globals->get_soundmgr()->is_playing("nav2-vor-ident") ) {
- globals->get_soundmgr()->play_once( "nav2-vor-ident" );
- ++nav2_play_count;
- }
- } else if ( nav2_play_count < 5 && nav2_has_dme ) {
- // play DME ident
- if ( !globals->get_soundmgr()->is_playing("nav2-vor-ident") &&
- !globals->get_soundmgr()->is_playing("nav2-dme-ident") ) {
- globals->get_soundmgr()->play_once( "nav2-dme-ident" );
- ++nav2_play_count;
- }
- }
- } else {
- globals->get_soundmgr()->stop( "nav2-vor-ident" );
- globals->get_soundmgr()->stop( "nav2-dme-ident" );
- }
- }
-#endif
-
- // adf
- if ( adf_valid ) {
- // staightline distance
- station = Point3D( adf_x, adf_y, adf_z );
- adf_dist = aircraft.distance3D( station );
-
- // wgs84 heading
- geo_inverse_wgs_84( elev, lat * SGD_RADIANS_TO_DEGREES, lon * SGD_RADIANS_TO_DEGREES,
- adf_lat, adf_lon,
- &az1, &az2, &s );
- adf_heading = az1;
- // cout << " heading = " << nav2_heading
- // << " dist = " << nav2_dist << endl;
-
- adf_effective_range = kludgeRange(adf_elev, elev, adf_range);
- if ( adf_dist < adf_effective_range * SG_NM_TO_METER ) {
- adf_inrange = true;
- } else if ( adf_dist < 2 * adf_effective_range * SG_NM_TO_METER ) {
- adf_inrange = sg_random() <
- ( 2 * adf_effective_range * SG_NM_TO_METER - adf_dist ) /
- (adf_effective_range * SG_NM_TO_METER);
- } else {
- adf_inrange = false;
- }
- } else {
- adf_inrange = false;
- }
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( adf_valid && adf_inrange ) {
- // play station ident via audio system if on + ident,
- // otherwise turn it off
- if ( adf_vol_btn > 0.1 && adf_ident_btn ) {
- FGSimpleSound *sound;
- sound = globals->get_soundmgr()->find( "adf-ident" );
- sound->set_volume( adf_vol_btn * 0.3 );
- if ( adf_last_time <
- globals->get_time_params()->get_cur_time() - 30 ) {
- adf_last_time = globals->get_time_params()->get_cur_time();
- adf_play_count = 0;
- }
- if ( adf_play_count < 4 ) {
- // play ADF ident
- if ( !globals->get_soundmgr()->is_playing("adf-ident") ) {
- globals->get_soundmgr()->play_once( "adf-ident" );
- ++adf_play_count;
- }
- }
- } else {
- globals->get_soundmgr()->stop( "adf-ident" );
- }
- }
-#endif
-
// marker beacon blinking
bool light_on = ( outer_blink || middle_blink || inner_blink );
SGTimeStamp current;
}
// cout << outer_blink << " " << middle_blink << " " << inner_blink << endl;
+
+ adf.update( dt );
+ xponder.update( dt );
}
double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
- // nav1
+ // FIXME: the panel should handle this
+ // don't worry about overhead for now,
+ // since this is handled only periodically
+ int dme_switch_pos = fgGetInt("/radios/dme/switch-position");
+ if ( dme_switch_pos == 1 && navcom1.has_power() ) {
+ if ( dme_freq != navcom1.get_nav_freq() ) {
+ dme_freq = navcom1.get_nav_freq();
+ need_update = true;
+ }
+ } else if ( dme_switch_pos == 3 && navcom2.has_power() ) {
+ if ( dme_freq != navcom2.get_nav_freq() ) {
+ dme_freq = navcom2.get_nav_freq();
+ need_update = true;
+ }
+ } else {
+ dme_freq = 0;
+ dme_inrange = false;
+ }
+
FGILS ils;
FGNav nav;
- static string last_nav1_ident = "";
- static string last_nav2_ident = "";
- static string last_adf_ident = "";
- static bool last_nav1_vor = false;
- static bool last_nav2_vor = false;
- if ( current_ilslist->query( lon, lat, elev, nav1_freq, &ils ) ) {
- nav1_ident = ils.get_locident();
- nav1_valid = true;
- if ( last_nav1_ident != nav1_ident || last_nav1_vor ) {
- nav1_trans_ident = ils.get_trans_ident();
- last_nav1_ident = nav1_ident;
- last_nav1_vor = false;
- nav1_loc = true;
- nav1_has_dme = ils.get_has_dme();
- nav1_has_gs = ils.get_has_gs();
-
- nav1_loclon = ils.get_loclon();
- nav1_loclat = ils.get_loclat();
- nav1_gslon = ils.get_gslon();
- nav1_gslat = ils.get_gslat();
- nav1_dmelon = ils.get_dmelon();
- nav1_dmelat = ils.get_dmelat();
- nav1_elev = ils.get_gselev();
- nav1_magvar = 0;
- nav1_range = FG_ILS_DEFAULT_RANGE;
- nav1_effective_range = nav1_range;
- nav1_target_gs = ils.get_gsangle();
- nav1_radial = ils.get_locheading();
- while ( nav1_radial < 0.0 ) { nav1_radial += 360.0; }
- while ( nav1_radial > 360.0 ) { nav1_radial -= 360.0; }
- nav1_x = ils.get_x();
- nav1_y = ils.get_y();
- nav1_z = ils.get_z();
- nav1_gs_x = ils.get_gs_x();
- nav1_gs_y = ils.get_gs_y();
- nav1_gs_z = ils.get_gs_z();
- nav1_dme_x = ils.get_dme_x();
- nav1_dme_y = ils.get_dme_y();
- nav1_dme_z = ils.get_dme_z();
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( globals->get_soundmgr()->exists( "nav1-vor-ident" ) ) {
- globals->get_soundmgr()->remove( "nav1-vor-ident" );
- }
- FGSimpleSound *sound;
- sound = morse.make_ident( nav1_trans_ident, LO_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav1-vor-ident" );
-
- if ( globals->get_soundmgr()->exists( "nav1-dme-ident" ) ) {
- globals->get_soundmgr()->remove( "nav1-dme-ident" );
- }
- sound = morse.make_ident( nav1_trans_ident, HI_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav1-dme-ident" );
-
- int offset = (int)(sg_random() * 30.0);
- nav1_play_count = offset / 4;
- nav1_last_time = globals->get_time_params()->get_cur_time() -
- offset;
- // cout << "offset = " << offset << " play_count = "
- // << nav1_play_count
- // << " nav1_last_time = " << nav1_last_time
- // << " current time = "
- // << globals->get_time_params()->get_cur_time() << endl;
-#endif
-
- // cout << "Found an ils station in range" << endl;
- // cout << " id = " << ils.get_locident() << endl;
- }
- } else if ( current_navlist->query( lon, lat, elev, nav1_freq, &nav ) ) {
- nav1_ident = nav.get_ident();
- nav1_valid = true;
- if ( last_nav1_ident != nav1_ident || !last_nav1_vor ) {
- last_nav1_ident = nav1_ident;
- last_nav1_vor = true;
- nav1_trans_ident = nav.get_trans_ident();
- nav1_loc = false;
- nav1_has_dme = nav.get_has_dme();
- nav1_has_gs = false;
- nav1_loclon = nav.get_lon();
- nav1_loclat = nav.get_lat();
- nav1_elev = nav.get_elev();
- nav1_magvar = nav.get_magvar();
- nav1_range = nav.get_range();
- nav1_effective_range = adjustNavRange(nav1_elev, elev, nav1_range);
- nav1_target_gs = 0.0;
- nav1_radial = nav1_sel_radial;
- nav1_x = nav1_dme_x = nav.get_x();
- nav1_y = nav1_dme_y = nav.get_y();
- nav1_z = nav1_dme_z = nav.get_z();
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( globals->get_soundmgr()->exists( "nav1-vor-ident" ) ) {
- globals->get_soundmgr()->remove( "nav1-vor-ident" );
- }
- FGSimpleSound *sound;
- sound = morse.make_ident( nav1_trans_ident, LO_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav1-vor-ident" );
-
- if ( globals->get_soundmgr()->exists( "nav1-dme-ident" ) ) {
- globals->get_soundmgr()->remove( "nav1-dme-ident" );
- }
- sound = morse.make_ident( nav1_trans_ident, HI_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav1-dme-ident" );
-
- int offset = (int)(sg_random() * 30.0);
- nav1_play_count = offset / 4;
- nav1_last_time = globals->get_time_params()->get_cur_time() -
- offset;
- // cout << "offset = " << offset << " play_count = "
- // << nav1_play_count << " nav1_last_time = "
- // << nav1_last_time << " current time = "
- // << globals->get_time_params()->get_cur_time() << endl;
-#endif
-
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
- }
+ navcom1.search();
+ navcom2.search();
+
+ ////////////////////////////////////////////////////////////////////////
+ // DME
+ ////////////////////////////////////////////////////////////////////////
+
+ if ( current_ilslist->query( lon, lat, elev, dme_freq, &ils ) ) {
+ if (ils.get_has_dme()) {
+ dme_valid = true;
+ dme_lon = ils.get_loclon();
+ dme_lat = ils.get_loclat();
+ dme_elev = ils.get_gselev();
+ dme_range = FG_ILS_DEFAULT_RANGE;
+ dme_effective_range = kludgeRange(dme_elev, elev, dme_range);
+ dme_x = ils.get_dme_x();
+ dme_y = ils.get_dme_y();
+ dme_z = ils.get_dme_z();
+ }
+ } else if ( current_navlist->query( lon, lat, elev, dme_freq, &nav ) ) {
+ if (nav.get_has_dme()) {
+ dme_valid = true;
+ dme_lon = nav.get_lon();
+ dme_lat = nav.get_lat();
+ dme_elev = nav.get_elev();
+ dme_range = nav.get_range();
+ dme_effective_range = kludgeRange(dme_elev, elev, dme_range);
+ dme_x = nav.get_x();
+ dme_y = nav.get_y();
+ dme_z = nav.get_z();
+ }
} else {
- nav1_valid = false;
- nav1_ident = "";
- nav1_radial = 0;
- nav1_dme_dist = 0;
- nav1_trans_ident = "";
- last_nav1_ident = "";
-#ifdef ENABLE_AUDIO_SUPPORT
- globals->get_soundmgr()->remove( "nav1-vor-ident" );
- globals->get_soundmgr()->remove( "nav1-dme-ident" );
-#endif
- // cout << "not picking up vor1. :-(" << endl;
+ dme_valid = false;
+ dme_dist = 0;
}
- if ( current_ilslist->query( lon, lat, elev, nav2_freq, &ils ) ) {
- nav2_ident = ils.get_locident();
- nav2_valid = true;
- if ( last_nav2_ident != nav2_ident || last_nav2_vor ) {
- last_nav2_ident = nav2_ident;
- last_nav2_vor = false;
- nav2_trans_ident = ils.get_trans_ident();
- nav2_loc = true;
- nav2_has_dme = ils.get_has_dme();
- nav2_has_gs = ils.get_has_gs();
-
- nav2_loclon = ils.get_loclon();
- nav2_loclat = ils.get_loclat();
- nav2_elev = ils.get_gselev();
- nav2_magvar = 0;
- nav2_range = FG_ILS_DEFAULT_RANGE;
- nav2_effective_range = nav2_range;
- nav2_target_gs = ils.get_gsangle();
- nav2_radial = ils.get_locheading();
- while ( nav2_radial < 0.0 ) { nav2_radial += 360.0; }
- while ( nav2_radial > 360.0 ) { nav2_radial -= 360.0; }
- nav2_x = ils.get_x();
- nav2_y = ils.get_y();
- nav2_z = ils.get_z();
- nav2_gs_x = ils.get_gs_x();
- nav2_gs_y = ils.get_gs_y();
- nav2_gs_z = ils.get_gs_z();
- nav2_dme_x = ils.get_dme_x();
- nav2_dme_y = ils.get_dme_y();
- nav2_dme_z = ils.get_dme_z();
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( globals->get_soundmgr()->exists( "nav2-vor-ident" ) ) {
- globals->get_soundmgr()->remove( "nav2-vor-ident" );
- }
- FGSimpleSound *sound;
- sound = morse.make_ident( nav2_trans_ident, LO_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav2-vor-ident" );
-
- if ( globals->get_soundmgr()->exists( "nav2-dme-ident" ) ) {
- globals->get_soundmgr()->remove( "nav2-dme-ident" );
- }
- sound = morse.make_ident( nav2_trans_ident, HI_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav2-dme-ident" );
-
- int offset = (int)(sg_random() * 30.0);
- nav2_play_count = offset / 4;
- nav2_last_time = globals->get_time_params()->get_cur_time() -
- offset;
- // cout << "offset = " << offset << " play_count = "
- // << nav2_play_count << " nav2_last_time = "
- // << nav2_last_time << " current time = "
- // << globals->get_time_params()->get_cur_time() << endl;
-#endif
-
- // cout << "Found an ils station in range" << endl;
- // cout << " id = " << ils.get_locident() << endl;
- }
- } else if ( current_navlist->query( lon, lat, elev, nav2_freq, &nav ) ) {
- nav2_ident = nav.get_ident();
- nav2_valid = true;
- if ( last_nav2_ident != nav2_ident || !last_nav2_vor ) {
- last_nav2_ident = nav2_ident;
- last_nav2_vor = true;
- nav2_trans_ident = nav.get_trans_ident();
- nav2_loc = false;
- nav2_has_dme = nav.get_has_dme();
- nav2_has_dme = false;
- nav2_loclon = nav.get_lon();
- nav2_loclat = nav.get_lat();
- nav2_elev = nav.get_elev();
- nav2_magvar = nav.get_magvar();
- nav2_range = nav.get_range();
- nav2_effective_range = adjustNavRange(nav2_elev, elev, nav2_range);
- nav2_target_gs = 0.0;
- nav2_radial = nav2_sel_radial;
- nav2_x = nav2_dme_x = nav.get_x();
- nav2_y = nav2_dme_y = nav.get_y();
- nav2_z = nav2_dme_z = nav.get_z();
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( globals->get_soundmgr()->exists( "nav2-vor-ident" ) ) {
- globals->get_soundmgr()->remove( "nav2-vor-ident" );
- }
- FGSimpleSound *sound;
- sound = morse.make_ident( nav2_trans_ident, LO_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav2-vor-ident" );
-
- if ( globals->get_soundmgr()->exists( "nav2-dme-ident" ) ) {
- globals->get_soundmgr()->remove( "nav2-dme-ident" );
- }
- sound = morse.make_ident( nav2_trans_ident, HI_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "nav2-dme-ident" );
-
- int offset = (int)(sg_random() * 30.0);
- nav2_play_count = offset / 4;
- nav2_last_time = globals->get_time_params()->get_cur_time() -
- offset;
- // cout << "offset = " << offset << " play_count = "
- // << nav2_play_count << " nav2_last_time = "
- // << nav2_last_time << " current time = "
- // << globals->get_time_params()->get_cur_time() << endl;
-#endif
- // cout << "Found a vor station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
- }
- } else {
- nav2_valid = false;
- nav2_ident = "";
- nav2_radial = 0;
- nav2_dme_dist = 0;
- nav2_trans_ident = "";
- last_nav2_ident = "";
-#ifdef ENABLE_AUDIO_SUPPORT
- globals->get_soundmgr()->remove( "nav2-vor-ident" );
- globals->get_soundmgr()->remove( "nav2-dme-ident" );
-#endif
- // cout << "not picking up vor1. :-(" << endl;
- }
+ ////////////////////////////////////////////////////////////////////////
+ // Beacons.
+ ////////////////////////////////////////////////////////////////////////
FGMkrBeacon::fgMkrBeacType beacon_type
= current_beacons->query( lon * SGD_RADIANS_TO_DEGREES,
}
last_beacon = beacon_type;
- // adf
- if ( current_navlist->query( lon, lat, elev, adf_freq, &nav ) ) {
- char freq[128];
-#if defined( _MSC_VER )
- _snprintf( freq, 10, "%.0f", adf_freq );
-#else
- snprintf( freq, 10, "%.0f", adf_freq );
-#endif
- adf_ident = freq;
- adf_ident += nav.get_ident();
- // cout << "adf ident = " << adf_ident << endl;
- adf_valid = true;
- if ( last_adf_ident != adf_ident ) {
- last_adf_ident = adf_ident;
-
- adf_trans_ident = nav.get_trans_ident();
- adf_lon = nav.get_lon();
- adf_lat = nav.get_lat();
- adf_elev = nav.get_elev();
- adf_range = nav.get_range();
- adf_effective_range = kludgeRange(adf_elev, elev, adf_range);
- adf_x = nav.get_x();
- adf_y = nav.get_y();
- adf_z = nav.get_z();
-
-#ifdef ENABLE_AUDIO_SUPPORT
- if ( globals->get_soundmgr()->exists( "adf-ident" ) ) {
- globals->get_soundmgr()->remove( "adf-ident" );
- }
- FGSimpleSound *sound;
- sound = morse.make_ident( adf_trans_ident, LO_FREQUENCY );
- sound->set_volume( 0.3 );
- globals->get_soundmgr()->add( sound, "adf-ident" );
-
- int offset = (int)(sg_random() * 30.0);
- adf_play_count = offset / 4;
- adf_last_time = globals->get_time_params()->get_cur_time() -
- offset;
- // cout << "offset = " << offset << " play_count = "
- // << adf_play_count << " adf_last_time = "
- // << adf_last_time << " current time = "
- // << globals->get_time_params()->get_cur_time() << endl;
-#endif
-
- // cout << "Found an adf station in range" << endl;
- // cout << " id = " << nav.get_ident() << endl;
- }
- } else {
- adf_valid = false;
- adf_ident = "";
- adf_trans_ident = "";
-#ifdef ENABLE_AUDIO_SUPPORT
- globals->get_soundmgr()->remove( "adf-ident" );
-#endif
- last_adf_ident = "";
- // cout << "not picking up adf. :-(" << endl;
- }
-}
-
-
-// return the amount of heading needle deflection, returns a value
-// clamped to the range of ( -10 , 10 )
-double FGRadioStack::get_nav1_heading_needle_deflection() const {
- double r;
-
- if ( nav1_inrange ) {
- r = nav1_heading - nav1_radial;
- // cout << "Radial = " << nav1_radial
- // << " Bearing = " << nav1_heading << 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 );
- if ( nav1_loc ) {
- r = -r;
- }
- }
-
- // According to Robin Peel, the ILS is 4x more sensitive than a vor
- if ( nav1_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 heading needle deflection, returns a value
-// clamped to the range of ( -10 , 10 )
-double FGRadioStack::get_nav2_heading_needle_deflection() const {
- double r;
-
- if ( nav2_inrange ) {
- r = nav2_heading - nav2_radial;
- // cout << "Radial = " << nav2_radial
- // << " Bearing = " << nav2_heading << 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
- if ( nav2_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 glide slope needle deflection (.i.e. the
-// number of degrees we are off the glide slope * 5.0
-double FGRadioStack::get_nav1_gs_needle_deflection() const {
- if ( nav1_inrange && nav1_has_gs ) {
- double x = nav1_gs_dist;
- double y = (fgGetDouble("/position/altitude-ft") - nav1_elev)
- * SG_FEET_TO_METER;
- double angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
- return (nav1_target_gs - angle) * 5.0;
- } else {
- return 0.0;
- }
-}
-
-
-// return the amount of glide slope needle deflection (.i.e. the
-// number of degrees we are off the glide slope * 5.0
-double FGRadioStack::get_nav2_gs_needle_deflection() const {
- if ( nav2_inrange && nav2_has_gs ) {
- double x = nav2_gs_dist;
- double y = (fgGetDouble("/position/altitude-ft") - nav2_elev)
- * SG_FEET_TO_METER;
- double angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
- return (nav2_target_gs - angle) * 5.0;
- } else {
- return 0.0;
- }
-}
-
-
-/**
- * Return true if the NAV1 TO flag should be active.
- */
-bool
-FGRadioStack::get_nav1_to_flag () const
-{
- if (nav1_inrange) {
- double offset = fabs(nav1_heading - nav1_radial);
- if (nav1_loc)
- return true;
- else
- return (offset <= 90.0 || offset >= 270.0);
- } else {
- return false;
- }
-}
-
-
-/**
- * Return true if the NAV1 FROM flag should be active.
- */
-bool
-FGRadioStack::get_nav1_from_flag () const
-{
- if (nav1_inrange) {
- double offset = fabs(nav1_heading - nav1_radial);
- if (nav1_loc)
- return false;
- else
- return (offset > 90.0 && offset < 270.0);
- } else {
- return false;
- }
+ adf.search();
+ xponder.search();
}
-
-
-/**
- * Return true if the NAV2 TO flag should be active.
- */
-bool
-FGRadioStack::get_nav2_to_flag () const
-{
- if (nav2_inrange) {
- double offset = fabs(nav2_heading - nav2_radial);
- if (nav2_loc)
- return true;
- else
- return (offset <= 90.0 || offset >= 270.0);
- } else {
- return false;
- }
-}
-
-
-/**
- * Return true if the NAV2 FROM flag should be active.
- */
-bool
-FGRadioStack::get_nav2_from_flag () const
-{
- if (nav2_inrange) {
- double offset = fabs(nav2_heading - nav2_radial);
- if (nav2_loc)
- return false;
- else
- return (offset > 90.0 && offset < 270.0);
- } else {
- return false;
- }
-}
-
projects / flightgear.git / blobdiff