#include <Cockpit/radiostack.hxx>
#include <Controls/controls.hxx>
#include <FDM/flight.hxx>
-#include <Main/bfi.hxx>
#include <Main/globals.hxx>
#include <Scenery/scenery.hxx>
// Climb speed constants
-const double min_climb = 70.0; // kts
-const double best_climb = 75.0; // kts
+// const double min_climb = 70.0; // kts
+// const double best_climb = 75.0; // kts
// const double ideal_climb_rate = 500.0 * SG_FEET_TO_METER; // fpm -> mpm
// const double ideal_decent_rate = 1000.0 * SG_FEET_TO_METER; // fpm -> mpm
// constructor
-FGAutopilot::FGAutopilot():
-TargetClimbRate(1000 * SG_FEET_TO_METER)
+FGAutopilot::FGAutopilot()
{
+ TargetClimbRate
+ = fgGetNode("/autopilot/config/target-climb-rate-fpm", true);
+ TargetDescentRate
+ = fgGetNode("/autopilot/config/target-descent-rate-fpm", true);
+ min_climb = fgGetNode("/autopilot/config/min-climb-speed-kt", true);
+ best_climb = fgGetNode("/autopilot/config/best-climb-speed-kt", true);
+ elevator_adj_factor
+ = fgGetNode("/autopilot/config/elevator-adj-factor", true);
+ integral_contrib
+ = fgGetNode("/autopilot/config/integral-contribution", true);
+ cout << "elevadj = " << elevator_adj_factor->getFloatValue() << endl;
+ // initialize with defaults (in case config isn't there)
+ if ( TargetClimbRate->getFloatValue() < 1 )
+ fgSetFloat( "/autopilot/config/target-climb-rate-fpm", 500);
+ if ( TargetDescentRate->getFloatValue() < 1 )
+ fgSetFloat( "/autopilot/config/target-descent-rate-fpm", 1000 );
+ if ( min_climb->getFloatValue() < 1)
+ fgSetFloat( "/autopilot/config/min-climb-speed-kt", 70 );
+ if (best_climb->getFloatValue() < 1)
+ fgSetFloat( "/autopilot/config/best-climb-speed-kt", 120 );
+ if (elevator_adj_factor->getFloatValue() < 1)
+ fgSetFloat( "/autopilot/config/elevator-adj-factor", 5000 );
+ if ( integral_contrib->getFloatValue() < 0.0000001 )
+ fgSetFloat( "/autopilot/config/integral-contribution", 0.01 );
}
// destructor
static inline double get_ground_speed() {
// starts in ft/s so we convert to kts
+ static const SGPropertyNode * speedup_node = fgGetNode("/sim/speed-up");
+
double ft_s = cur_fdm_state->get_V_ground_speed()
- * fgGetInt("/sim/speed-up"); // FIXME: inefficient
+ * speedup_node->getIntValue();
double kts = ft_s * SG_FEET_TO_METER * 3600 * SG_METER_TO_NM;
return kts;
void FGAutopilot::update_old_control_values() {
- old_aileron = controls.get_aileron();
- old_elevator = controls.get_elevator();
- old_elevator_trim = controls.get_elevator_trim();
- old_rudder = controls.get_rudder();
+ old_aileron = globals->get_controls()->get_aileron();
+ old_elevator = globals->get_controls()->get_elevator();
+ old_elevator_trim = globals->get_controls()->get_elevator_trim();
+ old_rudder = globals->get_controls()->get_rudder();
}
void FGAutopilot::init() {
SG_LOG( SG_AUTOPILOT, SG_INFO, "Init AutoPilot Subsystem" );
+ latitude_node = fgGetNode("/position/latitude-deg", true);
+ longitude_node = fgGetNode("/position/longitude-deg", true);
+ altitude_node = fgGetNode("/position/altitude-ft", true);
+ altitude_agl_node = fgGetNode("/position/altitude-agl-ft", true);
+ vertical_speed_node = fgGetNode("/velocities/vertical-speed-fps", true);
+ heading_node = fgGetNode("/orientation/heading-deg", true);
+ roll_node = fgGetNode("/orientation/roll-deg", true);
+
heading_hold = false ; // turn the heading hold off
altitude_hold = false ; // turn the altitude hold off
auto_throttle = false ; // turn the auto throttle off
DGTargetHeading = sg_random() * 360.0;
// Initialize target location to startup location
- old_lat = FGBFI::getLatitude();
- old_lon = FGBFI::getLongitude();
+ old_lat = latitude_node->getDoubleValue();
+ old_lon = longitude_node->getDoubleValue();
// set_WayPoint( old_lon, old_lat, 0.0, "default" );
MakeTargetLatLonStr( get_TargetLatitude(), get_TargetLongitude() );
sprintf( NewTgtAirportId, "%s", fgGetString("/sim/startup/airport-id").c_str() );
- // TargetLatitude = FGBFI::getLatitude();
- // TargetLongitude = FGBFI::getLongitude();
- // set_WayPoint( FGBFI::getLongitude(), FGBFI::getLatitude(), 0.0, "reset" );
-
MakeTargetLatLonStr( get_TargetLatitude(), get_TargetLongitude() );
}
// passing in the data pointer
// get control settings
- // double aileron = FGBFI::getAileron();
- // double elevator = FGBFI::getElevator();
- // double elevator_trim = FGBFI::getElevatorTrim();
- // double rudder = FGBFI::getRudder();
- double lat = FGBFI::getLatitude();
- double lon = FGBFI::getLongitude();
- double alt = FGBFI::getAltitude() * SG_FEET_TO_METER;
+ double lat = latitude_node->getDoubleValue();
+ double lon = longitude_node->getDoubleValue();
+ double alt = altitude_node->getDoubleValue() * SG_FEET_TO_METER;
+ SG_LOG( SG_ALL, SG_DEBUG, "FGAutopilot::run() lat = " << lat <<
+ " lon = " << lon << " alt = " << alt );
+
#ifdef FG_FORCE_AUTO_DISENGAGE
// see if somebody else has changed them
if( fabs(aileron - old_aileron) > disengage_threshold ||
// end of the line
heading_mode = FG_TRUE_HEADING_LOCK;
// use current heading
- TargetHeading = FGBFI::getHeading();
+ TargetHeading = heading_node->getDoubleValue();
}
}
MakeTargetHeadingStr( TargetHeading );
double AileronSet = -turn / 2.0;
if ( AileronSet < -1.0 ) { AileronSet = -1.0; }
if ( AileronSet > 1.0 ) { AileronSet = 1.0; }
- controls.set_aileron( AileronSet );
- controls.set_rudder( AileronSet / 4.0 );
+ globals->get_controls()->set_aileron( AileronSet );
+ globals->get_controls()->set_rudder( AileronSet / 4.0 );
} else {
// steer towards the target heading
double AileronSet;
RelHeading
- = NormalizeDegrees( TargetHeading - FGBFI::getHeading() );
+ = NormalizeDegrees( TargetHeading
+ - heading_node->getDoubleValue() );
// figure out how far off we are from desired heading
// Now it is time to deterime how far we should be rolled.
SG_LOG( SG_COCKPIT, SG_BULK, "TargetRoll: " << TargetRoll );
- RelRoll = NormalizeDegrees( TargetRoll - FGBFI::getRoll() );
+ RelRoll = NormalizeDegrees( TargetRoll
+ - roll_node->getDoubleValue() );
// Check if we are further from heading than the roll out
// smooth point
MaxAileron );
}
- controls.set_aileron( AileronSet );
- controls.set_rudder( AileronSet / 4.0 );
+ globals->get_controls()->set_aileron( AileronSet );
+ globals->get_controls()->set_rudder( AileronSet / 4.0 );
// controls.set_rudder( 0.0 );
}
}
double prop_adj, int_adj, total_adj;
if ( altitude_mode == FG_ALTITUDE_LOCK ) {
- // normal altitude hold
- // cout << "TargetAltitude = " << TargetAltitude
- // << "Altitude = " << FGBFI::getAltitude() * SG_FEET_TO_METER
- // << endl;
climb_rate =
( TargetAltitude - FGSteam::get_ALT_ft() * SG_FEET_TO_METER ) * 8.0;
} else if ( altitude_mode == FG_ALTITUDE_GS1 ) {
double x = current_radiostack->get_nav1_gs_dist();
- double y = (FGBFI::getAltitude()
+ double y = (altitude_node->getDoubleValue()
- current_radiostack->get_nav1_elev()) * SG_FEET_TO_METER;
double current_angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
// cout << "current angle = " << current_angle << endl;
} else if ( altitude_mode == FG_ALTITUDE_TERRAIN ) {
// brain dead ground hugging with no look ahead
climb_rate =
- ( TargetAGL - FGBFI::getAGL()*SG_FEET_TO_METER ) * 16.0;
+ ( TargetAGL - altitude_agl_node->getDoubleValue()
+ * SG_FEET_TO_METER ) * 16.0;
// cout << "target agl = " << TargetAGL
// << " current agl = " << fgAPget_agl()
// << " target climb rate = " << climb_rate
speed = get_speed();
- if ( speed < min_climb ) {
+ if ( speed < min_climb->getFloatValue() ) {
max_climb = 0.0;
- } else if ( speed < best_climb ) {
- max_climb = ((best_climb - min_climb) - (best_climb - speed))
- * fabs(TargetClimbRate)
- / (best_climb - min_climb);
+ } else if ( speed < best_climb->getFloatValue() ) {
+ max_climb = ((best_climb->getFloatValue()
+ - min_climb->getFloatValue())
+ - (best_climb->getFloatValue() - speed))
+ * fabs(TargetClimbRate->getFloatValue() * SG_FEET_TO_METER)
+ / (best_climb->getFloatValue() - min_climb->getFloatValue());
} else {
- max_climb = ( speed - best_climb ) * 10.0 + fabs(TargetClimbRate);
+ max_climb = ( speed - best_climb->getFloatValue() ) * 10.0
+ + fabs(TargetClimbRate->getFloatValue() * SG_FEET_TO_METER);
}
// this first one could be optional if we wanted to allow
// better climb performance assuming we have the airspeed to
// support it.
- if ( climb_rate > fabs(TargetClimbRate) ) {
- climb_rate = fabs(TargetClimbRate);
+ if ( climb_rate >
+ fabs(TargetClimbRate->getFloatValue() * SG_FEET_TO_METER) ) {
+ climb_rate
+ = fabs(TargetClimbRate->getFloatValue() * SG_FEET_TO_METER);
}
if ( climb_rate > max_climb ) {
climb_rate = max_climb;
}
- if ( climb_rate < -fabs(TargetClimbRate) ) {
- climb_rate = -fabs(TargetClimbRate);
+ if ( climb_rate <
+ -fabs(TargetDescentRate->getFloatValue() * SG_FEET_TO_METER) ) {
+ climb_rate
+ = -fabs(TargetDescentRate->getFloatValue() * SG_FEET_TO_METER);
}
+
// cout << "Target climb rate = " << TargetClimbRate << endl;
// cout << "given our speed, modified desired climb rate = "
// << climb_rate * SG_METER_TO_FEET
// << " fpm" << endl;
+ // cout << "Current climb rate = "
+ // << vertical_speed_node->getDoubleValue() * 60 << " fpm" << endl;
- error = FGBFI::getVerticalSpeed() * SG_FEET_TO_METER - climb_rate;
- // cout << "climb rate = " << FGBFI::getVerticalSpeed()
- // << " vsi rate = " << FGSteam::get_VSI_fps() << endl;
+ error = vertical_speed_node->getDoubleValue() * 60
+ - climb_rate * SG_METER_TO_FEET;
// accumulate the error under the curve ... this really should
// be *= delta t
// calculate integral error, and adjustment amount
int_error = alt_error_accum;
// printf("error = %.2f int_error = %.2f\n", error, int_error);
- int_adj = int_error / 20000.0;
+ int_adj = int_error / elevator_adj_factor->getFloatValue();
// caclulate proportional error
prop_error = error;
- prop_adj = prop_error / 2000.0;
+ prop_adj = prop_error / elevator_adj_factor->getFloatValue();
- total_adj = 0.9 * prop_adj + 0.1 * int_adj;
+ total_adj = (1.0 - integral_contrib->getFloatValue()) * prop_adj
+ + integral_contrib->getFloatValue() * int_adj;
// if ( total_adj > 0.6 ) {
// total_adj = 0.6;
// } else if ( total_adj < -0.2 ) {
total_adj = -1.0;
}
- controls.set_elevator( total_adj );
+ globals->get_controls()->set_elevator_trim( total_adj );
}
// auto throttle
total_adj = 0.0;
}
- controls.set_throttle( FGControls::ALL_ENGINES, total_adj );
+ globals->get_controls()->set_throttle( FGControls::ALL_ENGINES,
+ total_adj );
}
#ifdef THIS_CODE_IS_NOT_USED
// stash this runs control settings
// update_old_control_values();
- old_aileron = controls.get_aileron();
- old_elevator = controls.get_elevator();
- old_elevator_trim = controls.get_elevator_trim();
- old_rudder = controls.get_rudder();
+ old_aileron = globals->get_controls()->get_aileron();
+ old_elevator = globals->get_controls()->get_elevator();
+ old_elevator_trim = globals->get_controls()->get_elevator_trim();
+ old_rudder = globals->get_controls()->get_rudder();
// for cross track error
old_lat = lat;
old_lon = lon;
- // Ok, we are done
+ // Ok, we are done
+ SG_LOG( SG_ALL, SG_DEBUG, "FGAutopilot::run( returns )" );
+
return 0;
}
// set autopilot to hold a zero turn (as reported by the TC)
} else if ( heading_mode == FG_TRUE_HEADING_LOCK ) {
// set heading hold to current heading
- TargetHeading = FGBFI::getHeading();
+ TargetHeading = heading_node->getDoubleValue();
} else if ( heading_mode == FG_HEADING_WAYPOINT ) {
if ( globals->get_route()->size() ) {
double course, distance;
- old_lat = FGBFI::getLatitude();
- old_lon = FGBFI::getLongitude();
+ old_lat = latitude_node->getDoubleValue();
+ old_lon = longitude_node->getDoubleValue();
waypoint = globals->get_route()->get_first();
- waypoint.CourseAndDistance( FGBFI::getLongitude(),
- FGBFI::getLatitude(),
- FGBFI::getLatitude() * SG_FEET_TO_METER,
+ waypoint.CourseAndDistance( longitude_node->getDoubleValue(),
+ latitude_node->getDoubleValue(),
+ altitude_node->getDoubleValue()
+ * SG_FEET_TO_METER,
&course, &distance );
TargetHeading = course;
TargetDistance = distance;
} else {
// no more way points, default to heading lock.
heading_mode = FG_TC_HEADING_LOCK;
- // TargetHeading = FGBFI::getHeading();
}
}
alt_error_accum = 0.0;
if ( altitude_mode == FG_ALTITUDE_LOCK ) {
- if ( TargetAltitude < FGBFI::getAGL() * SG_FEET_TO_METER ) {
- // TargetAltitude = FGBFI::getAltitude() * SG_FEET_TO_METER;
+ if ( TargetAltitude < altitude_agl_node->getDoubleValue()
+ * SG_FEET_TO_METER ) {
}
if ( fgGetString("/sim/startup/units") == "feet" ) {
climb_error_accum = 0.0;
} else if ( altitude_mode == FG_ALTITUDE_TERRAIN ) {
- TargetAGL = FGBFI::getAGL() * SG_FEET_TO_METER;
+ TargetAGL = altitude_agl_node->getDoubleValue() * SG_FEET_TO_METER;
if ( fgGetString("/sim/startup/units") == "feet" ) {
MakeTargetAltitudeStr( TargetAGL * SG_METER_TO_FEET );
double agl;
agl = cur_fdm_state->get_Altitude() * SG_FEET_TO_METER
- - scenery.cur_elev;
+ - scenery.get_cur_elev();
return( agl );
}
target_alt = new_altitude * SG_FEET_TO_METER;
}
- if( target_alt < scenery.cur_elev ) {
- target_alt = scenery.cur_elev;
+ if( target_alt < scenery.get_cur_elev() ) {
+ target_alt = scenery.get_cur_elev();
}
TargetAltitude = target_alt;
auto_throttle = value;
if ( auto_throttle == true ) {
- TargetSpeed = FGBFI::getAirspeed();
+ TargetSpeed = fgGetDouble("/velocities/airspeed-kt");
speed_error_accum = 0.0;
}
projects / flightgear.git / blobdiff