#include <simgear/compiler.h>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/math/sg_random.h>
+#include <simgear/timing/sg_time.hxx>
#include <Main/fg_props.hxx>
#include <Main/util.hxx>
#include <Navaids/navlist.hxx>
#include "adf.hxx"
+#include <Sound/morse.hxx>
+#include <simgear/sound/sample_group.hxx>
#include <iostream>
#include <string>
#include <sstream>
+using std::string;
// Use a bigger number to be more responsive, or a smaller number
// to be more sluggish.
ADF::ADF (SGPropertyNode *node )
:
+ _name(node->getStringValue("name", "adf")),
+ _num(node->getIntValue("number", 0)),
_time_before_search_sec(0),
_last_frequency_khz(-1),
_transmitter_valid(false),
_ident_count(0),
_last_ident_time(0),
_last_volume(-1),
- name("adf"),
- 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 adf config logic" );
- if ( name.length() ) {
- SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
- }
- }
- }
-}
-
-
-ADF::ADF ()
- : _time_before_search_sec(0),
- _last_frequency_khz(-1),
- _transmitter_valid(false),
- _transmitter_pos(SGGeod::fromDeg(0, 0)),
- _transmitter_cart(0, 0, 0),
- _transmitter_range_nm(0),
- _ident_count(0),
- _last_ident_time(0),
- _last_volume(-1),
- name("adf"),
- num(0)
+ _sgr(0)
{
}
ADF::init ()
{
string branch;
- branch = "/instrumentation/" + name;
-
- SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
- _longitude_node = fgGetNode("/position/longitude-deg", true);
- _latitude_node = fgGetNode("/position/latitude-deg", true);
- _altitude_node = fgGetNode("/position/altitude-ft", true);
- _heading_node = fgGetNode("/orientation/heading-deg", true);
- _serviceable_node = node->getChild("serviceable", 0, true);
- _error_node = node->getChild("error-deg", 0, true);
- _electrical_node = fgGetNode("/systems/electrical/outputs/adf", true);
- branch = branch + "/frequencies";
- SGPropertyNode *fnode = node->getChild("frequencies", 0, true);
- _frequency_node = fnode->getChild("selected-khz", 0, true);
- _mode_node = node->getChild("mode", 0, true);
- _volume_node = node->getChild("volume-norm", 0, true);
- _in_range_node = node->getChild("in-range", 0, true);
- _bearing_node = node->getChild("indicated-bearing-deg", 0, true);
- _ident_node = node->getChild("ident", 0, true);
+ branch = "/instrumentation/" + _name;
+ SGPropertyNode *node = fgGetNode(branch.c_str(), _num, true );
+
+ // instrument properties
+ _error_node = node->getChild("error-deg", 0, true);
+ _mode_node = node->getChild("mode", 0, true);
+ _volume_node = node->getChild("volume-norm", 0, true);
+ _in_range_node = node->getChild("in-range", 0, true);
+ _bearing_node = node->getChild("indicated-bearing-deg", 0, true);
+ _ident_node = node->getChild("ident", 0, true);
_ident_audible_node = node->getChild("ident-audible", 0, true);
+ _serviceable_node = node->getChild("serviceable", 0, true);
+ _power_btn_node = node->getChild("power-btn", 0, true);
+ _operable_node = node->getChild("operable", 0, true);
+
+ // frequency properties
+ SGPropertyNode *fnode = node->getChild("frequencies", 0, true);
+ _frequency_node = fnode->getChild("selected-khz", 0, true);
+
+ // foreign simulator properties
+ _electrical_node = fgGetNode("/systems/electrical/outputs/adf", true);
+ _heading_node = fgGetNode("/orientation/heading-deg", true);
+
+ // backward compatibility check
+ if (_power_btn_node->getType() == simgear::props::NONE)
+ _power_btn_node->setBoolValue(true); // front end didn't implement a power button
- morse.init();
+ // sound support (audible ident code)
+ SGSoundMgr *smgr = globals->get_soundmgr();
+ _sgr = smgr->find("avionics", true);
+ _sgr->tie_to_listener();
std::ostringstream temp;
- temp << name << num;
- adf_ident = temp.str();
+ temp << _name << _num;
+ _adf_ident = temp.str();
}
void
ADF::update (double delta_time_sec)
{
// If it's off, don't waste any time.
- if (!_electrical_node->getBoolValue() ||
- !_serviceable_node->getBoolValue()) {
- set_bearing(delta_time_sec, 90);
+ if (_electrical_node->getDoubleValue() < 8.0
+ || !_serviceable_node->getBoolValue()
+ || !_power_btn_node->getBoolValue() ) {
+ _in_range_node->setBoolValue(false);
+ _operable_node->setBoolValue(false);
_ident_node->setStringValue("");
return;
}
+ _operable_node->setBoolValue(true);
+
+ string mode = _mode_node->getStringValue();
+ if (mode == "ant" || mode == "test") set_bearing(delta_time_sec, 90);
+ if (mode != "bfo" && mode != "adf") {
+ _in_range_node->setBoolValue(false);
+ _ident_node->setStringValue("");
+ return;
+ }
// Get the frequency
int frequency_khz = _frequency_node->getIntValue();
if (frequency_khz != _last_frequency_khz) {
_last_frequency_khz = frequency_khz;
}
- // Get the aircraft position
- double longitude_deg = _longitude_node->getDoubleValue();
- double latitude_deg = _latitude_node->getDoubleValue();
- double altitude_m = _altitude_node->getDoubleValue();
-
- double longitude_rad = longitude_deg * SGD_DEGREES_TO_RADIANS;
- double latitude_rad = latitude_deg * SGD_DEGREES_TO_RADIANS;
-
+ SGGeod acPos(globals->get_aircraft_position());
+
// On timeout, scan again
_time_before_search_sec -= delta_time_sec;
if (_time_before_search_sec < 0)
- search(frequency_khz, longitude_rad, latitude_rad, altitude_m);
+ search(frequency_khz, acPos);
- // If it's off, don't bother.
- string mode = _mode_node->getStringValue();
- if (!_transmitter_valid || (mode != "bfo" && mode != "adf"))
- {
- set_bearing(delta_time_sec, 90);
+ if (!_transmitter_valid) {
+ _in_range_node->setBoolValue(false);
_ident_node->setStringValue("");
return;
}
// Calculate the bearing to the transmitter
- SGGeod geod = SGGeod::fromRadM(longitude_rad, latitude_rad, altitude_m);
- SGVec3d location = SGVec3d::fromGeod(geod);
+ SGVec3d location = globals->get_aircraft_position_cart();
double distance_nm = dist(_transmitter_cart, location) * SG_METER_TO_NM;
double range_nm = adjust_range(_transmitter_pos.getElevationFt(),
- altitude_m * SG_METER_TO_FEET,
+ acPos.getElevationFt(),
_transmitter_range_nm);
+
if (distance_nm <= range_nm) {
double bearing, az2, s;
double heading = _heading_node->getDoubleValue();
- geo_inverse_wgs_84(geod, _transmitter_pos,
+ geo_inverse_wgs_84(acPos, _transmitter_pos,
&bearing, &az2, &s);
_in_range_node->setBoolValue(true);
+ _ident_node->setStringValue(_last_ident);
bearing -= heading;
if (bearing < 0)
set_bearing(delta_time_sec, bearing);
// adf ident sound
- double volume;
+ float volume;
if ( _ident_audible_node->getBoolValue() )
- volume = _volume_node->getDoubleValue();
+ volume = _volume_node->getFloatValue();
else
volume = 0.0;
_last_volume = volume;
SGSoundSample *sound;
- sound = globals->get_soundmgr()->find( adf_ident );
+ sound = _sgr->find( _adf_ident );
if ( sound != NULL )
sound->set_volume( volume );
else
- SG_LOG( SG_GENERAL, SG_ALERT, "Can't find adf-ident sound" );
+ SG_LOG( SG_INSTR, SG_ALERT, "Can't find adf-ident sound" );
}
time_t cur_time = globals->get_time_params()->get_cur_time();
}
if ( _ident_count < 4 ) {
- if ( !globals->get_soundmgr()->is_playing(adf_ident) ) {
- globals->get_soundmgr()->play_once( adf_ident );
+ if ( !_sgr->is_playing(_adf_ident) && (volume > 0.05) ) {
+ _sgr->play_once( _adf_ident );
++_ident_count;
}
}
} else {
_in_range_node->setBoolValue(false);
- set_bearing(delta_time_sec, 90);
_ident_node->setStringValue("");
- globals->get_soundmgr()->stop( adf_ident );
+ _sgr->stop( _adf_ident );
}
}
void
-ADF::search (double frequency_khz, double longitude_rad,
- double latitude_rad, double altitude_m)
+ADF::search (double frequency_khz, const SGGeod& pos)
{
string ident = "";
// reset search time
_time_before_search_sec = 1.0;
- // try the ILS list first
- FGNavRecord *nav =
- globals->get_navlist()->findByFreq(frequency_khz, longitude_rad,
- latitude_rad, altitude_m);
+ FGNavList::TypeFilter filter(FGPositioned::NDB);
+ FGNavRecord *nav = FGNavList::findByFreq(frequency_khz, pos, &filter);
_transmitter_valid = (nav != NULL);
if ( _transmitter_valid ) {
ident = nav->get_trans_ident();
if ( ident != _last_ident ) {
- _transmitter_pos = nav->get_pos();
- _transmitter_cart = nav->get_cart();
+ _transmitter_pos = nav->geod();
+ _transmitter_cart = nav->cart();
_transmitter_range_nm = nav->get_range();
}
}
_last_ident = ident;
_ident_node->setStringValue(ident.c_str());
- if ( globals->get_soundmgr()->exists( adf_ident ) ) {
+ if ( _sgr->exists( _adf_ident ) ) {
// stop is required! -- remove alone wouldn't stop immediately
- globals->get_soundmgr()->stop( adf_ident );
- globals->get_soundmgr()->remove( adf_ident );
+ _sgr->stop( _adf_ident );
+ _sgr->remove( _adf_ident );
}
SGSoundSample *sound;
- sound = morse.make_ident( ident, LO_FREQUENCY );
+ sound = FGMorse::instance()->make_ident( ident, FGMorse::LO_FREQUENCY );
sound->set_volume(_last_volume = 0);
- globals->get_soundmgr()->add( sound, adf_ident );
+ _sgr->add( sound, _adf_ident );
int offset = (int)(sg_random() * 30.0);
_ident_count = offset / 4;