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GPS data validity clean-up; it was a mess, now it's more robust. Thanks to Dave Luff for reporting.

This commit is contained in:
jmt 2009-10-18 20:42:14 +00:00 committed by Tim Moore
parent 87141b47a7
commit 332e7fc59b
2 changed files with 71 additions and 67 deletions

View file

@ -280,7 +280,9 @@ GPS::Config::setExternalCourse(double aCourseDeg)
////////////////////////////////////////////////////////////////////////////
GPS::GPS ( SGPropertyNode *node) :
_last_valid(false),
_dataValid(false),
_lastPosValid(false),
_mode("init"),
_name(node->getStringValue("name", "gps")),
_num(node->getIntValue("number", 0)),
_computeTurnData(false),
@ -334,7 +336,6 @@ GPS::init ()
_magnetic_bug_error_node = node->getChild("magnetic-bug-error-deg", 0, true);
// command system
_mode = "obs";
node->tie("mode", SGRawValueMethods<GPS, const char*>(*this, &GPS::getMode, NULL));
node->tie("command", SGRawValueMethods<GPS, const char*>(*this, &GPS::getCommand, &GPS::setCommand));
@ -454,23 +455,16 @@ GPS::init ()
// last thing, add the deprecated prop watcher
new DeprecatedPropListener(node);
// initialise in OBS mode, with waypt set to the nearest airport.
// keep in mind at this point, _last_valid is not set
auto_ptr<FGPositioned::Filter> f(createFilter(FGPositioned::AIRPORT));
FGPositionedRef apt = FGPositioned::findClosest(_position.get(), 20.0, f.get());
if (apt) {
setScratchFromPositioned(apt, 0);
selectOBSMode();
}
clearOutput();
}
void
GPS::clearOutput()
{
_last_valid = false;
_dataValid = false;
_last_speed_kts = 0.0;
_last_pos = SGGeod();
_lastPosValid = false;
_indicated_pos = SGGeod();
_last_vertical_speed = 0.0;
_last_true_track = 0.0;
@ -543,50 +537,55 @@ GPS::update (double delta_time_sec)
printf("%f %f \n", error_length, error_angle);
*/
_raim_node->setDoubleValue(1.0);
_indicated_pos = _position.get();
_raim_node->setDoubleValue(1.0);
_indicated_pos = _position.get();
updateBasicData(delta_time_sec);
if (_last_valid) {
updateWithValid(delta_time_sec);
if (_dataValid) {
if (_mode == "obs") {
_selectedCourse = _config.getExternalCourse();
} else {
_last_valid = true;
if (_route_active_node->getBoolValue()) {
// GPS init with active route
SG_LOG(SG_INSTR, SG_INFO, "GPS init with active route");
_listener->setGuard(true);
routeActivated();
routeManagerSequenced();
_listener->setGuard(false);
updateTurn();
}
updateWaypoints();
updateTrackingBug();
updateReferenceNavaid(delta_time_sec);
updateRouteData();
driveAutopilot();
}
if (_dataValid && (_mode == "init")) {
// allow a realistic delay in the future, here
SG_LOG(SG_INSTR, SG_INFO, "GPS initialisation complete");
if (_route_active_node->getBoolValue()) {
// GPS init with active route
SG_LOG(SG_INSTR, SG_INFO, "GPS init with active route");
selectLegMode();
} else {
// initialise in OBS mode, with waypt set to the nearest airport.
// keep in mind at this point, _dataValid is not set
auto_ptr<FGPositioned::Filter> f(createFilter(FGPositioned::AIRPORT));
FGPositionedRef apt = FGPositioned::findClosest(_position.get(), 20.0, f.get());
if (apt) {
setScratchFromPositioned(apt, 0);
selectOBSMode();
}
}
_last_pos = _indicated_pos;
}
void
GPS::updateWithValid(double dt)
{
assert(_last_valid);
updateBasicData(dt);
} // of init mode check
if (_mode == "obs") {
_selectedCourse = _config.getExternalCourse();
} else {
updateTurn();
}
updateWaypoints();
updateTrackingBug();
updateReferenceNavaid(dt);
updateRouteData();
driveAutopilot();
_last_pos = _indicated_pos;
_lastPosValid = true;
}
void
GPS::updateBasicData(double dt)
{
if (!_lastPosValid) {
return;
}
double distance_m;
double track2_deg;
SGGeodesy::inverse(_last_pos, _indicated_pos, _last_true_track, track2_deg, distance_m );
@ -602,6 +601,11 @@ GPS::updateBasicData(double dt)
_odometer_node->setDoubleValue(odometer + distance_m * SG_METER_TO_NM);
odometer = _trip_odometer_node->getDoubleValue();
_trip_odometer_node->setDoubleValue(odometer + distance_m * SG_METER_TO_NM);
if (!_dataValid) {
SG_LOG(SG_INSTR, SG_INFO, "GPS setting data valid");
_dataValid = true;
}
}
void
@ -1016,7 +1020,7 @@ void GPS::wp1Changed()
double GPS::getLegDistance() const
{
if (!_last_valid || (_mode == "obs")) {
if (!_dataValid || (_mode == "obs")) {
return -1;
}
@ -1025,7 +1029,7 @@ double GPS::getLegDistance() const
double GPS::getLegCourse() const
{
if (!_last_valid || (_mode == "obs")) {
if (!_dataValid || (_mode == "obs")) {
return -9999.0;
}
@ -1034,7 +1038,7 @@ double GPS::getLegCourse() const
double GPS::getLegMagCourse() const
{
if (!_last_valid || (_mode == "obs")) {
if (!_dataValid || (_mode == "obs")) {
return 0.0;
}
@ -1045,7 +1049,7 @@ double GPS::getLegMagCourse() const
double GPS::getAltDistanceRatio() const
{
if (!_last_valid || (_mode == "obs")) {
if (!_dataValid || (_mode == "obs")) {
return 0.0;
}
@ -1060,7 +1064,7 @@ double GPS::getAltDistanceRatio() const
double GPS::getMagTrack() const
{
if (!_last_valid) {
if (!_dataValid) {
return 0.0;
}
@ -1071,7 +1075,7 @@ double GPS::getMagTrack() const
double GPS::getCDIDeflection() const
{
if (!_last_valid) {
if (!_dataValid) {
return 0.0;
}
@ -1091,7 +1095,7 @@ double GPS::getCDIDeflection() const
const char* GPS::getWP0Ident() const
{
if (!_last_valid || (_mode != "leg")) {
if (!_dataValid || (_mode != "leg")) {
return "";
}
@ -1100,7 +1104,7 @@ const char* GPS::getWP0Ident() const
const char* GPS::getWP0Name() const
{
if (!_last_valid || (_mode != "leg")) {
if (!_dataValid || (_mode != "leg")) {
return "";
}
@ -1109,7 +1113,7 @@ const char* GPS::getWP0Name() const
const char* GPS::getWP1Ident() const
{
if (!_last_valid) {
if (!_dataValid) {
return "";
}
@ -1118,7 +1122,7 @@ const char* GPS::getWP1Ident() const
const char* GPS::getWP1Name() const
{
if (!_last_valid) {
if (!_dataValid) {
return "";
}
@ -1127,7 +1131,7 @@ const char* GPS::getWP1Name() const
double GPS::getWP1Distance() const
{
if (!_last_valid) {
if (!_dataValid) {
return -1.0;
}
@ -1136,7 +1140,7 @@ double GPS::getWP1Distance() const
double GPS::getWP1TTW() const
{
if (!_last_valid) {
if (!_dataValid) {
return -1.0;
}
@ -1149,7 +1153,7 @@ double GPS::getWP1TTW() const
const char* GPS::getWP1TTWString() const
{
if (!_last_valid) {
if (!_dataValid) {
return "";
}
@ -1158,7 +1162,7 @@ const char* GPS::getWP1TTWString() const
double GPS::getWP1Bearing() const
{
if (!_last_valid) {
if (!_dataValid) {
return -9999.0;
}
@ -1167,7 +1171,7 @@ double GPS::getWP1Bearing() const
double GPS::getWP1MagBearing() const
{
if (!_last_valid) {
if (!_dataValid) {
return -9999.0;
}
@ -1176,7 +1180,7 @@ double GPS::getWP1MagBearing() const
double GPS::getWP1CourseDeviation() const
{
if (!_last_valid) {
if (!_dataValid) {
return 0.0;
}
@ -1195,7 +1199,7 @@ double GPS::getWP1CourseDeviation() const
double GPS::getWP1CourseErrorNm() const
{
if (!_last_valid) {
if (!_dataValid) {
return 0.0;
}
@ -1206,7 +1210,7 @@ double GPS::getWP1CourseErrorNm() const
bool GPS::getWP1ToFlag() const
{
if (!_last_valid) {
if (!_dataValid) {
return false;
}
@ -1218,7 +1222,7 @@ bool GPS::getWP1ToFlag() const
bool GPS::getWP1FromFlag() const
{
if (!_last_valid) {
if (!_dataValid) {
return false;
}

View file

@ -193,7 +193,6 @@ private:
*/
void clearOutput();
void updateWithValid(double dt);
void updateBasicData(double dt);
void updateWaypoints();
@ -336,8 +335,9 @@ private:
double _selectedCourse;
bool _last_valid;
bool _dataValid;
SGGeod _last_pos;
bool _lastPosValid;
double _last_speed_kts;
double _last_true_track;
double _last_vertical_speed;