//
// This file is in the Public Domain and comes with no warranty.
+#include <simgear/compiler.h>
+#include STL_IOSTREAM
+#include STL_STRING
+#include <sstream>
+
#include "turn_indicator.hxx"
#include <Main/fg_props.hxx>
#include <Main/util.hxx>
-TurnIndicator::TurnIndicator ()
+// Use a bigger number to be more responsive, or a smaller number
+// to be more sluggish.
+#define RESPONSIVENESS 0.5
+
+
+TurnIndicator::TurnIndicator ( SGPropertyNode *node) :
+ _last_rate(0),
+ name("turn-indicator"),
+ 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 turn-indicator config logic" );
+ if ( name.length() ) {
+ SG_LOG( SG_INSTR, SG_WARN, "Section = " << name );
+ }
+ }
+ }
+}
+
+TurnIndicator::TurnIndicator () :
+ _last_rate(0)
{
}
void
TurnIndicator::init ()
{
+ string branch;
+ branch = "/instrumentation/" + name;
+
+ SGPropertyNode *node = fgGetNode(branch.c_str(), num, true );
_roll_rate_node = fgGetNode("/orientation/roll-rate-degps", true);
_yaw_rate_node = fgGetNode("/orientation/yaw-rate-degps", true);
_electric_current_node =
fgGetNode("/systems/electrical/outputs/turn-coordinator", true);
- _rate_out_node =
- fgGetNode("/instrumentation/turn-indicator/indicated-turn-rate", true);
+ _rate_out_node = node->getChild("indicated-turn-rate", 0, true);
}
void
TurnIndicator::bind ()
{
- fgTie("/instrumentation/turn-indicator/serviceable",
- &_gyro, &Gyro::is_serviceable);
- fgTie("/instrumentation/turn-indicator/spin",
+ std::ostringstream temp;
+ string branch;
+ temp << num;
+ branch = "/instrumentation/" + name + "[" + temp.str() + "]";
+
+ fgTie((branch + "/serviceable").c_str(),
+ &_gyro, &Gyro::is_serviceable, &Gyro::set_serviceable);
+ fgTie((branch + "/spin").c_str(),
&_gyro, &Gyro::get_spin_norm, &Gyro::set_spin_norm);
}
void
TurnIndicator::unbind ()
{
- fgUntie("/instrumentation/turn-indicator/serviceable");
- fgUntie("/instrumentation/turn-indicator/spin");
+ std::ostringstream temp;
+ string branch;
+ temp << num;
+ branch = "/instrumentation/" + name + "[" + temp.str() + "]";
+
+ fgUntie((branch + "/serviceable").c_str());
+ fgUntie((branch + "/serviceable").c_str());
}
void
TurnIndicator::update (double dt)
{
// Get the spin from the gyro
- _gyro.set_power_norm(_electric_current_node->getDoubleValue()/60.0);
+ double power = _electric_current_node->getDoubleValue() / 24.0;
+ _gyro.set_power_norm(power);
_gyro.update(dt);
double spin = _gyro.get_spin_norm();
else if (rate > 2.5)
rate = 2.5;
- // Add a lag, based on gyro spin
- rate = fgGetLowPass(_last_rate, rate, dt/(factor*3));
+ // Lag left, based on gyro spin
+ rate = -2.5 + (factor * (rate + 2.5));
+ rate = fgGetLowPass(_last_rate, rate, dt*RESPONSIVENESS);
_last_rate = rate;
// Publish the indicated rate