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More tweaks to radios so we can listen to Nav2 and ADF as well.

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Fixed a bug which could make a station appear to be out of range when it isn't.
Expanded usable range to 1.3x times the FAA guaranteed service volume.
This commit is contained in:
curt 2001-03-14 23:37:50 +00:00
parent bdde4e0581
commit 07c23f5866
2 changed files with 201 additions and 35 deletions
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228
src/Cockpit/radiostack.cxx
View file

@ -32,7 +32,11 @@
#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;
FGRadioStack *current_radiostack;
@ -179,6 +183,12 @@ FGRadioStack::bind ()
&FGRadioStack::get_adf_alt_freq, &FGRadioStack::set_adf_alt_freq);
fgTie("/radios/adf/rotation", this,
&FGRadioStack::get_adf_rotation, &FGRadioStack::set_adf_rotation);
fgTie("/radios/adf/on", this,
&FGRadioStack::get_adf_on_btn,
&FGRadioStack::set_adf_on_btn);
fgTie("/radios/adf/ident", this,
&FGRadioStack::get_adf_ident_btn,
&FGRadioStack::set_adf_ident_btn);
}
void
@ -215,6 +225,8 @@ FGRadioStack::unbind ()
fgUntie("/radios/adf/frequencies/selected");
fgUntie("/radios/adf/frequencies/standby");
fgUntie("/radios/adf/rotation");
fgUntie("/radios/adf/on");
fgUntie("/radios/adf/ident");
}
@ -222,6 +234,9 @@ FGRadioStack::unbind ()
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
@ -234,15 +249,17 @@ double FGRadioStack::adjustNavRange( double stationElev, double aircraftElev,
if ( nominalRange < 25.0 + FG_EPSILON ) {
// Standard Terminal Service Volume
return term_tbl->interpolate( alt );
return term_tbl->interpolate( alt ) * usability_factor;
} else if ( nominalRange < 50.0 + FG_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;
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;
return high_tbl->interpolate( alt ) * nominalRange / 130.0
* usability_factor;
}
}
@ -315,14 +332,14 @@ FGRadioStack::update()
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;
// cout << "ils offset = " << offset << endl;
nav1_effective_range = adjustILSRange(nav1_elev, elev, offset,
nav1_loc_dist * METER_TO_NM );
} else {
nav1_effective_range = adjustNavRange(nav1_elev, elev, nav1_range);
}
cout << "nav1 range = " << nav1_effective_range
<< " (" << nav1_range << ")" << endl;
// cout << "nav1 range = " << nav1_effective_range
// << " (" << nav1_range << ")" << endl;
if ( nav1_loc_dist < nav1_effective_range * NM_TO_METER ) {
nav1_inrange = true;
@ -403,14 +420,14 @@ FGRadioStack::update()
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;
// cout << "ils offset = " << offset << endl;
nav2_effective_range = adjustILSRange(nav2_elev, elev, offset,
nav2_loc_dist * METER_TO_NM );
} else {
nav2_effective_range = adjustNavRange(nav2_elev, elev, nav2_range);
}
cout << "nav2 range = " << nav2_effective_range
<< " (" << nav2_range << ")" << endl;
// cout << "nav2 range = " << nav2_effective_range
// << " (" << nav2_range << ")" << endl;
if ( nav2_loc_dist < nav2_effective_range * NM_TO_METER ) {
nav2_inrange = true;
@ -431,6 +448,35 @@ FGRadioStack::update()
// cout << "not picking up vor. :-(" << endl;
}
if ( nav2_valid && nav2_inrange ) {
// play station ident via audio system if on + ident,
// otherwise turn it off
if ( nav2_on_btn && nav2_ident_btn ) {
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" );
}
}
// adf
if ( adf_valid ) {
// staightline distance
@ -458,6 +504,27 @@ FGRadioStack::update()
} else {
adf_inrange = false;
}
if ( adf_valid && adf_inrange ) {
// play station ident via audio system if on + ident,
// otherwise turn it off
if ( adf_on_btn && adf_ident_btn ) {
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" );
}
}
}
@ -474,15 +541,16 @@ void FGRadioStack::search()
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_valid = true;
nav1_loc = true;
nav1_has_dme = ils.get_has_dme();
nav1_has_gs = ils.get_has_gs();
@ -530,20 +598,22 @@ void FGRadioStack::search()
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;
// cout << "offset = " << offset << " play_count = "
// << nav1_play_count
// << " nav1_last_time = " << nav1_last_time
// << " current time = "
// << globals->get_time_params()->get_cur_time() << endl;
cout << "Found an ils station in range" << endl;
cout << " id = " << ils.get_locident() << endl;
// 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_valid = true;
nav1_loc = false;
nav1_has_dme = nav.get_has_dme();
nav1_has_gs = false;
@ -578,30 +648,33 @@ void FGRadioStack::search()
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;
// cout << "offset = " << offset << " play_count = "
// << nav1_play_count << " nav1_last_time = "
// << nav1_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;
// cout << "Found a vor station in range" << endl;
// cout << " id = " << nav.get_ident() << endl;
}
} else {
nav1_valid = false;
nav1_ident = "";
nav1_radial = 0;
nav1_dme_dist = 0;
nav1_trans_ident = "";
last_nav1_ident = "";
globals->get_soundmgr()->remove( "nav1-vor-ident" );
globals->get_soundmgr()->remove( "nav1-dme-ident" );
cout << "not picking up vor1. :-(" << endl;
// cout << "not picking up vor1. :-(" << endl;
}
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_valid = true;
nav2_loc = true;
nav2_has_dme = ils.get_has_dme();
nav2_has_gs = ils.get_has_gs();
@ -625,16 +698,41 @@ void FGRadioStack::search()
nav2_dme_x = ils.get_dme_x();
nav2_dme_y = ils.get_dme_y();
nav2_dme_z = ils.get_dme_z();
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;
// 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_valid = true;
nav2_loc = false;
nav2_has_dme = nav.get_has_dme();
nav2_has_dme = false;
@ -649,6 +747,31 @@ void FGRadioStack::search()
nav2_x = nav2_dme_x = nav.get_x();
nav2_y = nav2_dme_y = nav.get_y();
nav2_z = nav2_dme_z = nav.get_z();
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;
// cout << "Found a vor station in range" << endl;
// cout << " id = " << nav.get_ident() << endl;
}
@ -657,25 +780,60 @@ void FGRadioStack::search()
nav2_ident = "";
nav2_radial = 0;
nav2_dme_dist = 0;
// cout << "not picking up vor2. :-(" << endl;
nav2_trans_ident = "";
last_nav2_ident = "";
globals->get_soundmgr()->remove( "nav2-vor-ident" );
globals->get_soundmgr()->remove( "nav2-dme-ident" );
// cout << "not picking up vor1. :-(" << endl;
}
// adf
if ( current_navlist->query( lon, lat, elev, adf_freq, &nav ) ) {
char freq[128];
snprintf( freq, 10, "%.0f", adf_freq );
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_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();
// cout << "Found an adf station in range" << endl;
// cout << " id = " << nav.get_ident() << endl;
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();
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;
// cout << "Found an adf station in range" << endl;
// cout << " id = " << nav.get_ident() << endl;
}
} else {
adf_valid = false;
adf_ident = "";
adf_trans_ident = "";
globals->get_soundmgr()->remove( "adf-ident" );
last_adf_ident = "";
// cout << "not picking up adf. :-(" << endl;
}
}

8
src/Cockpit/radiostack.hxx
View file

@ -127,6 +127,8 @@ class FGRadioStack : public FGSubsystem
bool nav2_on_btn;
bool nav2_ident_btn;
string adf_ident;
string adf_trans_ident;
bool adf_valid;
bool adf_inrange;
double adf_freq;
@ -142,6 +144,8 @@ class FGRadioStack : public FGSubsystem
double adf_x;
double adf_y;
double adf_z;
bool adf_on_btn;
bool adf_ident_btn;
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
double adjustNavRange( double stationElev, double aircraftElev,
@ -192,6 +196,8 @@ public:
}
inline void set_adf_alt_freq( double freq ) { adf_alt_freq = freq; }
inline void set_adf_rotation( double rot ) { adf_rotation = rot; }
inline void set_adf_on_btn( bool val ) { adf_on_btn = val; }
inline void set_adf_ident_btn( bool val ) { adf_ident_btn = val; }
// NAV1 Accessors
@ -270,6 +276,8 @@ public:
inline double get_adf_lon() const { return adf_lon; }
inline double get_adf_lat() const { return adf_lat; }
inline double get_adf_heading() const { return adf_heading; }
inline bool get_adf_on_btn() const { return adf_on_btn; }
inline bool get_adf_ident_btn() const { return adf_ident_btn; }
};