lon_node(fgGetNode("/position/longitude-deg", true)),
lat_node(fgGetNode("/position/latitude-deg", true)),
alt_node(fgGetNode("/position/altitude-ft", true)),
+ power_btn(NULL),
+ nav_freq(NULL),
+ nav_alt_freq(NULL),
+ fmt_freq(NULL),
+ fmt_alt_freq(NULL),
+ nav_sel_radial(NULL),
+ nav_vol_btn(NULL),
+ nav_ident_btn(NULL),
+ audio_btn(NULL),
+ nav_heading(NULL),
+ nav_radial(NULL),
+ reciprocal_radial(NULL),
+ nav_target_radial_true(NULL),
+ nav_target_auto_hdg(NULL),
+ nav_to_flag(NULL),
+ nav_from_flag(NULL),
+ nav_inrange(NULL),
+ nav_cdi_deflection(NULL),
+ nav_cdi_xtrack_error(NULL),
+ nav_has_gs(NULL),
+ nav_loc(NULL),
+ nav_loc_dist(NULL),
+ nav_gs_deflection(NULL),
+ nav_gs_rate_of_climb(NULL),
+ nav_gs_dist(NULL),
+ nav_id(NULL),
+ nav_id_c1(NULL),
+ nav_id_c2(NULL),
+ nav_id_c3(NULL),
+ nav_id_c4(NULL),
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),
- fmt_freq(""),
- fmt_alt_freq(""),
- 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"),
bus_power =
fgGetNode(("/systems/electrical/outputs/" + name).c_str(), true);
+
+ // inputs
+ power_btn = node->getChild("power-btn", 0, true);
+ power_btn->setBoolValue( true );
+ nav_vol_btn = node->getChild("volume", 0, true);
+ nav_ident_btn = node->getChild("ident", 0, true);
+ nav_ident_btn->setBoolValue( true );
+ audio_btn = node->getChild("audio-btn", 0, true);
+ audio_btn->setBoolValue( true );
+
+ // frequencies
+ SGPropertyNode *subnode = node->getChild("frequencies", 0, true);
+ nav_freq = subnode->getChild("selected-mhz", 0, true);
+ nav_alt_freq = subnode->getChild("standby-mhz", 0, true);
+ fmt_freq = subnode->getChild("selected-mhz-fmt", 0, true);
+ fmt_alt_freq = subnode->getChild("standby-mhz-fmt", 0, true);
+
+ // radials
+ subnode = node->getChild("radials", 0, true);
+ nav_sel_radial = subnode->getChild("selected-deg", 0, true);
+ nav_radial = subnode->getChild("actual-deg", 0, true);
+ reciprocal_radial = subnode->getChild("reciprocal-radial-deg", 0, true);
+ nav_target_radial_true = subnode->getChild("target-radial-deg", 0, true);
+ nav_target_auto_hdg = subnode->getChild("target-auto-hdg-deg", 0, true);
+
+ // outputs
+ nav_heading = node->getChild("heading-deg", 0, true);
+ nav_to_flag = node->getChild("to-flag", 0, true);
+ nav_from_flag = node->getChild("from-flag", 0, true);
+ nav_inrange = node->getChild("in-range", 0, true);
+ nav_cdi_deflection = node->getChild("heading-needle-deflection", 0, true);
+ nav_cdi_xtrack_error = node->getChild("crosstrack-error-m", 0, true);
+ nav_has_gs = node->getChild("has-gs", 0, true);
+ nav_loc = node->getChild("nav-loc", 0, true);
+ nav_loc_dist = node->getChild("nav-distance", 0, true);
+ nav_gs_deflection = node->getChild("gs-needle-deflection", 0, true);
+ nav_gs_rate_of_climb = node->getChild("gs-rate-of-climb", 0, true);
+ nav_gs_dist = node->getChild("gs-distance", 0, true);
+ nav_id = node->getChild("nav-id", 0, true);
+ nav_id_c1 = node->getChild("nav-id_asc1", 0, true);
+ nav_id_c2 = node->getChild("nav-id_asc2", 0, true);
+ nav_id_c3 = node->getChild("nav-id_asc3", 0, true);
+ nav_id_c4 = node->getChild("nav-id_asc4", 0, true);
+
nav_serviceable = node->getChild("serviceable", 0, true);
cdi_serviceable = (node->getChild("cdi", 0, true))
->getChild("serviceable", 0, true);
gps_cdi_deflection = fgGetNode("/instrumentation/gps/cdi-deflection", true);
gps_to_flag = fgGetNode("/instrumentation/gps/to-flag", true);
+ gps_from_flag = fgGetNode("/instrumentation/gps/from-flag", true);
std::ostringstream temp;
temp << name << "nav-ident" << num;
string branch;
temp << num;
branch = "/instrumentation/" + name + "[" + temp.str() + "]";
-
- // User inputs
- fgTie( (branch + "power-btn").c_str(), this,
- &FGNavRadio::get_power_btn, &FGNavRadio::set_power_btn );
- fgSetArchivable( (branch + "power-btn").c_str() );
-
- 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 + "/frequencies/selected-mhz-fmt").c_str() , this,
- &FGNavRadio::get_fmt_freq, &FGNavRadio::set_fmt_freq );
- fgSetArchivable( (branch + "/frequencies/selected-mhz-fmt").c_str() );
-
- fgTie( (branch + "/frequencies/standby-mhz-fmt").c_str() , this,
- &FGNavRadio::get_fmt_alt_freq, &FGNavRadio::set_fmt_alt_freq);
- fgSetArchivable( (branch + "/frequencies/standby-mhz-fmt").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/reciprocal-radial-deg").c_str(),
- this, &FGNavRadio::get_nav_reciprocal_radial );
-
- 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 + "/gs-distance").c_str(),
- this, &FGNavRadio::get_nav_gs_dist_signed );
-
- fgTie( (branch + "/nav-distance").c_str(),
- this, &FGNavRadio::get_nav_loc_dist );
-
- 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
}
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() );
}
double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
double elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
- need_update = false;
+ // SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
Point3D aircraft = sgGeodToCart( Point3D( lon, lat, elev ) );
Point3D station;
// Create "formatted" versions of the nav frequencies for
// consistant display output.
char tmp[16];
- sprintf( tmp, "%.2f", nav_freq );
- fmt_freq = tmp;
- sprintf( tmp, "%.2f", nav_alt_freq );
- fmt_alt_freq = tmp;
+ sprintf( tmp, "%.2f", nav_freq->getDoubleValue() );
+ fmt_freq->setStringValue(tmp);
+ sprintf( tmp, "%.2f", nav_alt_freq->getDoubleValue() );
+ fmt_alt_freq->setStringValue(tmp);
// On timeout, scan again
_time_before_search_sec -= dt;
////////////////////////////////////////////////////////////////////////
// cout << "nav_valid = " << nav_valid
- // << " power_btn = " << power_btn
+ // << " power_btn = " << power_btn->getBoolValue()
// << " bus_power = " << bus_power->getDoubleValue()
// << " nav_serviceable = " << nav_serviceable->getBoolValue()
// << endl;
- if ( nav_valid && power_btn && (bus_power->getDoubleValue() > 1.0)
+ if ( nav_valid && power_btn->getBoolValue()
+ && (bus_power->getDoubleValue() > 1.0)
&& nav_serviceable->getBoolValue() )
{
station = Point3D( nav_x, nav_y, nav_z );
- nav_loc_dist = aircraft.distance3D( station );
- // cout << "station = " << station << " dist = " << nav_loc_dist
- // << endl;
+ nav_loc_dist->setDoubleValue( aircraft.distance3D( station ) );
+ // cout << "station = " << station << " dist = "
+ // << nav_loc_dist->getDoubleValue() << endl;
- if ( nav_has_gs ) {
+ if ( nav_has_gs->getBoolValue() ) {
// find closest distance to the gs base line
sgdVec3 p;
sgdSetVec3( p, aircraft.x(), aircraft.y(), aircraft.z() );
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;
+ nav_gs_dist->setDoubleValue( sqrt( dist ) );
+ // cout << "nav_gs_dist = " << nav_gs_dist->getDoubleValue()
+ // << endl;
Point3D tmp( nav_gs_x, nav_gs_y, nav_gs_z );
// cout << " (" << aircraft.distance3D( tmp ) << ")" << endl;
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;
+ nav_gs_dist_signed = nav_gs_dist->getDoubleValue();
} else {
- nav_gs_dist_signed = -nav_gs_dist;
+ nav_gs_dist_signed = -nav_gs_dist->getDoubleValue();
}
/* cout << "Target Radial = " << nav_target_radial
<< " Bearing = " << az1
<< endl; */
} else {
- nav_gs_dist = 0.0;
+ nav_gs_dist->setDoubleValue( 0.0 );
}
// wgs84 heading to localizer
+ double hdg;
geo_inverse_wgs_84( elev,
lat * SGD_RADIANS_TO_DEGREES,
lon * SGD_RADIANS_TO_DEGREES,
nav_loclat, nav_loclon,
- &nav_heading, &az2, &s );
+ &hdg, &az2, &s );
// cout << "az1 = " << az1 << " magvar = " << nav_magvar << endl;
- nav_radial = az2 - nav_twist;
+ nav_heading->setDoubleValue( hdg );
+ double radial = az2 - nav_twist;
+ double recip = radial + 180.0;
+ if ( recip >= 360.0 ) { recip -= 360.0; }
+ nav_radial->setDoubleValue( radial );
+ reciprocal_radial->setDoubleValue( recip );
// cout << " heading = " << nav_heading
// << " dist = " << nav_dist << endl;
- if ( nav_loc ) {
- double offset = nav_radial - nav_target_radial;
+ if ( nav_loc->getBoolValue() ) {
+ double offset = 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 );
+ nav_loc_dist->getDoubleValue()
+ * 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);
+ if ( nav_loc_dist->getDoubleValue()
+ < nav_effective_range * SG_NM_TO_METER )
+ {
+ nav_inrange->setBoolValue( true );
+ } else if ( nav_loc_dist->getDoubleValue()
+ < 2 * nav_effective_range * SG_NM_TO_METER )
+ {
+ nav_inrange->setBoolValue( sg_random() <
+ ( 2 * nav_effective_range * SG_NM_TO_METER
+ - nav_loc_dist->getDoubleValue() ) /
+ (nav_effective_range * SG_NM_TO_METER) );
} else {
- nav_inrange = false;
+ nav_inrange->setBoolValue( false );
}
- if ( !nav_loc ) {
- nav_target_radial = nav_sel_radial;
+ if ( !nav_loc->getBoolValue() ) {
+ nav_target_radial = nav_sel_radial->getDoubleValue();
}
// Calculate some values for the nav/ils hold autopilot
- double cur_radial = get_nav_reciprocal_radial();
- if ( nav_loc ) {
+ double cur_radial = recip;
+ if ( nav_loc->getBoolValue() ) {
// ILS localizers radials are already "true" in our
// database
} else {
cur_radial += nav_twist;
}
- if ( get_nav_from_flag() ) {
+ if ( nav_from_flag->getBoolValue() ) {
cur_radial += 180.0;
while ( cur_radial >= 360.0 ) { cur_radial -= 360.0; }
}
- // AUTOPILOT HELPERS
+ // AUTOPILOT/FLIGHT-DIRECTOR HELPERS
// determine the target radial in "true" heading
- nav_target_radial_true = nav_target_radial;
- if ( nav_loc ) {
+ double trtrue = 0.0;
+ if ( nav_loc->getBoolValue() ) {
// ILS localizers radials are already "true" in our
// database
+ trtrue = nav_target_radial;
} else {
// VOR radials need to have that vor's offset added in
- nav_target_radial_true += nav_twist;
+ trtrue = nav_target_radial + 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;
- }
+ while ( trtrue < 0.0 ) { trtrue += 360.0; }
+ while ( trtrue > 360.0 ) { trtrue -= 360.0; }
+ nav_target_radial_true->setDoubleValue( trtrue );
// determine the heading adjustment needed.
// over 8km scale by 3.0
// 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;
+ if (nav_loc_dist->getDoubleValue() > 8000) {
+ adjustment = nav_cdi_deflection->getDoubleValue() * 3.0;
} else {
- adjustment = get_nav_cdi_deflection() * 10.0;
+ adjustment = nav_cdi_deflection->getDoubleValue() * 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; }
+ double nta_hdg = trtrue + adjustment;
+ while ( nta_hdg < 0.0 ) { nta_hdg += 360.0; }
+ while ( nta_hdg > 360.0 ) { nta_hdg -= 360.0; }
+ nav_target_auto_hdg->setDoubleValue( nta_hdg );
// cross track error
// ????
// Calculate desired rate of climb for intercepting the GS
- double x = nav_gs_dist;
+ double x = nav_gs_dist->getDoubleValue();
double y = (alt_node->getDoubleValue() - nav_elev)
* SG_FEET_TO_METER;
double current_angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
// 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;
+ nav_gs_rate_of_climb
+ ->setDoubleValue( -sin( des_angle * SGD_DEGREES_TO_RADIANS )
+ * horiz_vel * SG_METER_TO_FEET );
}
} else {
- nav_inrange = false;
+ nav_inrange->setBoolValue( false );
// cout << "not picking up vor. :-(" << endl;
}
- if ( nav_valid && nav_inrange && nav_serviceable->getBoolValue() ) {
+ // compute to/from flag status
+ double value = false;
+ double offset = fabs(nav_radial->getDoubleValue() - nav_target_radial);
+ if ( nav_slaved_to_gps->getBoolValue() ) {
+ value = gps_to_flag->getBoolValue();
+ } else if ( nav_inrange->getBoolValue()
+ && nav_serviceable->getBoolValue()
+ && tofrom_serviceable->getBoolValue() )
+ {
+ if ( nav_loc->getBoolValue() ) {
+ value = true;
+ } else {
+ value = !(offset <= 90.0 || offset >= 270.0);
+ }
+ }
+ nav_to_flag->setBoolValue( value );
+
+ value = false;
+ if ( nav_slaved_to_gps->getBoolValue() ) {
+ value = gps_from_flag->getBoolValue();
+ } else if ( nav_inrange->getBoolValue()
+ && nav_serviceable->getBoolValue()
+ && tofrom_serviceable->getBoolValue() )
+ {
+ if ( nav_loc->getBoolValue() ) {
+ value = false;
+ } else {
+ value = !(offset > 90.0 && offset < 270.0);
+ }
+ }
+ nav_from_flag->setBoolValue( value );
+
+ // compute the deflection of the CDI needle, clamped to the range
+ // of ( -10 , 10 )
+ double r;
+ if ( nav_slaved_to_gps->getBoolValue() ) {
+ r = gps_cdi_deflection->getDoubleValue();
+ // We want +- 5 dots deflection for the gps, so clamp to -12.5/12.5
+ if ( r < -12.5 ) { r = -12.5; }
+ if ( r > 12.5 ) { r = 12.5; }
+ } else if ( nav_inrange->getBoolValue() && nav_serviceable->getBoolValue()
+ && cdi_serviceable->getBoolValue()
+ && !nav_slaved_to_gps->getBoolValue() )
+ {
+ r = nav_radial->getDoubleValue() - nav_target_radial;
+ // cout << "Target radial = " << nav_target_radial
+ // << " Actual radial = " << nav_radial->getDoubleValue() << 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->getBoolValue() ) { r *= 4.0; }
+ if ( r < -10.0 ) { r = -10.0; }
+ if ( r > 10.0 ) { r = 10.0; }
+ } else {
+ r = 0.0;
+ }
+ nav_cdi_deflection->setDoubleValue( r );
+
+ // compute the amount of cross track distance error in meters
+ double m;
+ if ( nav_inrange->getBoolValue()
+ && nav_serviceable->getBoolValue() && cdi_serviceable->getBoolValue() )
+ {
+ r = nav_radial->getDoubleValue() - nav_target_radial;
+ // cout << "Target radial = " << nav_target_radial
+ // << " Actual radial = " << nav_radial->getDoubleValue()
+ // << " 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->getDoubleValue() * sin(r * SGD_DEGREES_TO_RADIANS);
+
+ } else {
+ m = 0.0;
+ }
+ nav_cdi_xtrack_error->setDoubleValue( m );
+
+ // compute the amount of glide slope needle deflection (.i.e. the
+ // number of degrees we are off the glide slope * 5.0
+ if ( nav_inrange->getBoolValue() && nav_has_gs->getBoolValue()
+ && nav_serviceable->getBoolValue()
+ && gs_serviceable->getBoolValue()
+ && !nav_slaved_to_gps->getBoolValue() )
+ {
+ double x = nav_gs_dist->getDoubleValue();
+ 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;
+ r = (nav_target_gs - angle) * 5.0;
+ } else {
+ r = 0.0;
+ }
+ nav_gs_deflection->setDoubleValue( r );
+
+ // audio effects
+ if ( nav_valid
+ && nav_inrange->getBoolValue()
+ && 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 )
+ if ( power_btn->getBoolValue() && (bus_power->getDoubleValue() > 1.0)
+ && nav_ident_btn->getBoolValue() && audio_btn->getBoolValue() )
{
SGSoundSample *sound;
sound = globals->get_soundmgr()->find( nav_fx_name );
+ double vol = nav_vol_btn->getDoubleValue();
+ if ( vol < 0.0 ) { vol = 0.0; }
+ if ( vol > 1.0 ) { vol = 1.0; }
if ( sound != NULL ) {
- sound->set_volume( nav_vol_btn );
+ sound->set_volume( vol );
} 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 );
+ sound->set_volume( vol );
} else {
SG_LOG( SG_COCKPIT, SG_ALERT,
"Can't find nav-dme-ident sound" );
// Nav.
////////////////////////////////////////////////////////////////////////
- nav = globals->get_navlist()->findByFreq(nav_freq, lon, lat, elev);
- dme = globals->get_dmelist()->findByFreq(nav_freq, lon, lat, elev);
+ double freq = nav_freq->getDoubleValue();
+ nav = globals->get_navlist()->findByFreq(freq, lon, lat, elev);
+ dme = globals->get_dmelist()->findByFreq(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);
+ loc = globals->get_loclist()->findByFreq(freq, lon, lat, elev);
+ gs = globals->get_gslist()->findByFreq(freq, lon, lat, elev);
}
if ( loc != NULL ) {
- nav_id = loc->get_ident();
- // cout << "localizer = " << nav_id << endl;
+ nav_id->setStringValue( loc->get_ident() );
+ // cout << "localizer = " << nav_id->getStringValue() << endl;
nav_valid = true;
- if ( last_nav_id != nav_id || last_nav_vor ) {
+ if ( last_nav_id != nav_id->getStringValue() || 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; }
nav_x = loc->get_x();
nav_y = loc->get_y();
nav_z = loc->get_z();
- last_nav_id = nav_id;
+ last_nav_id = nav_id->getStringValue();
last_nav_vor = false;
- nav_loc = true;
+ nav_loc->setBoolValue( true );
nav_has_dme = (dme != NULL);
- nav_has_gs = (gs != NULL);
- if ( nav_has_gs ) {
+ nav_has_gs->setBoolValue( gs != NULL );
+ if ( nav_has_gs->getBoolValue() ) {
nav_gslon = gs->get_lon();
nav_gslat = gs->get_lat();
nav_elev = gs->get_elev_ft();
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_loc = " << nav_loc->getBoolValue() << endl;
// cout << nav_gslon << "," << nav_gslat << " "
// << tlon << "," << tlat << " (" << nav_elev << ")"
// << endl;
// cout << " id = " << loc->get_locident() << endl;
}
} else if ( nav != NULL ) {
- nav_id = nav->get_ident();
- // cout << "nav = " << nav_id << endl;
+ nav_id->setStringValue( nav->get_ident() );
+ // cout << "nav = " << nav_id->getStringValue() << endl;
nav_valid = true;
- if ( last_nav_id != nav_id || !last_nav_vor ) {
- last_nav_id = nav_id;
+ if ( last_nav_id != nav_id->getStringValue() || !last_nav_vor ) {
+ last_nav_id = nav_id->getStringValue();
last_nav_vor = true;
nav_trans_ident = nav->get_trans_ident();
- nav_loc = false;
+ nav_loc->setBoolValue( false );
nav_has_dme = (dme != NULL);
- nav_has_gs = false;
+ nav_has_gs->setBoolValue( false );
nav_loclon = nav->get_lon();
nav_loclat = nav->get_lat();
nav_elev = nav->get_elev_ft();
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_target_radial = nav_sel_radial->getDoubleValue();
nav_x = nav->get_x();
nav_y = nav->get_y();
nav_z = nav->get_z();
}
} else {
nav_valid = false;
- nav_id = "";
+ nav_id->setStringValue( "" );
nav_target_radial = 0;
nav_trans_ident = "";
last_nav_id = "";
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() && !nav_slaved_to_gps->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 if ( nav_slaved_to_gps->getBoolValue() ) {
- r = gps_cdi_deflection->getDoubleValue();
- // We want +- 5 dots deflection for the gps, so clamp to -12.5/12.5
- if ( r < -12.5 ) { r = -12.5; }
- if ( r > 12.5 ) { r = 12.5; }
- } 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() && !nav_slaved_to_gps->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()
- && !nav_slaved_to_gps->getBoolValue() )
- {
- double offset = fabs(nav_radial - nav_target_radial);
- if (nav_loc) {
- return true;
- } else {
- return !(offset <= 90.0 || offset >= 270.0);
- }
- } else if( nav_slaved_to_gps->getBoolValue() ) {
- return( gps_to_flag->getBoolValue() );
- } 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;
+ char tmpid[5];
+ strncpy( tmpid, nav_id->getStringValue(), 5 );
+ nav_id_c1->setIntValue( (int)tmpid[0] );
+ nav_id_c2->setIntValue( (int)tmpid[1] );
+ nav_id_c3->setIntValue( (int)tmpid[2] );
+ nav_id_c4->setIntValue( (int)tmpid[3] );
}
SGPropertyNode *lat_node;
SGPropertyNode *alt_node;
SGPropertyNode *bus_power;
+
+ // inputs
+ SGPropertyNode *power_btn;
+ SGPropertyNode *nav_freq; // primary freq
+ SGPropertyNode *nav_alt_freq; // standby freq
+ SGPropertyNode *nav_sel_radial; // selected radial
+ SGPropertyNode *nav_vol_btn;
+ SGPropertyNode *nav_ident_btn;
+ SGPropertyNode *audio_btn;
+
+ // outputs
+ SGPropertyNode *fmt_freq; // formated frequency
+ SGPropertyNode *fmt_alt_freq; // formated alternate frequency
+ SGPropertyNode *nav_heading; // true heading to nav station
+ SGPropertyNode *nav_radial; // current radial we are on (taking
+ // into consideration the vor station
+ // alignment which likely doesn't
+ // match the magnetic alignment
+ // exactly.)
+ SGPropertyNode *reciprocal_radial;
+ // nav_radial + 180 (convenience value)
+ SGPropertyNode *nav_target_radial_true;
+ // true heading of selected radial
+ SGPropertyNode *nav_target_auto_hdg;
+ SGPropertyNode *nav_to_flag;
+ SGPropertyNode *nav_from_flag;
+ SGPropertyNode *nav_inrange;
+ SGPropertyNode *nav_cdi_deflection;
+ SGPropertyNode *nav_cdi_xtrack_error;
+ SGPropertyNode *nav_has_gs;
+ SGPropertyNode *nav_loc;
+ SGPropertyNode *nav_loc_dist;
+ SGPropertyNode *nav_gs_deflection;
+ SGPropertyNode *nav_gs_rate_of_climb;
+ SGPropertyNode *nav_gs_dist;
+ SGPropertyNode *nav_id;
+ SGPropertyNode *nav_id_c1;
+ SGPropertyNode *nav_id_c2;
+ SGPropertyNode *nav_id_c3;
+ SGPropertyNode *nav_id_c4;
+
+ // unfiled
SGPropertyNode *nav_serviceable;
SGPropertyNode *cdi_serviceable, *gs_serviceable, *tofrom_serviceable;
SGPropertyNode *nav_slaved_to_gps;
- SGPropertyNode *gps_cdi_deflection, *gps_to_flag;
+ SGPropertyNode *gps_cdi_deflection, *gps_to_flag, *gps_from_flag;
string last_nav_id;
bool last_nav_vor;
string nav_fx_name;
string dme_fx_name;
- bool need_update;
-
- bool power_btn;
- bool audio_btn;
-
- string nav_id;
+ // internal (unexported) values
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;
- string fmt_freq; // formated frequency
- string fmt_alt_freq; // formated alternate frequency
- 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_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;
}
*/
- // 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_fmt_freq( const char *freq ) { fmt_freq = freq; }
- inline void set_nav_alt_freq( double freq ) { nav_alt_freq = freq; }
- inline void set_fmt_alt_freq( const char *freq ) { fmt_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);
+ return power_btn->getBoolValue() && (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 const char *get_fmt_freq () const { return fmt_freq.c_str(); }
- inline double get_nav_alt_freq () const { return nav_alt_freq; }
- inline const char *get_fmt_alt_freq () const {
- return fmt_alt_freq.c_str();
- }
- 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;
+ return nav_inrange->getBoolValue() && 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]; }
+ //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]; }
};
projects / flightgear.git / commitdiff