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Fixed the DG heading bug hold to work with the new DG instrumentation.

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It was slightly goofed up before by about the amount of the magnetic
variation.
This commit is contained in:
curt 2002-10-23 16:27:30 +00:00
parent 66e8d3fe65
commit 2214f540e2
2 changed files with 9 additions and 6 deletions
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14
src/Autopilot/newauto.cxx
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@ -213,6 +213,9 @@ void FGAutopilot::init ()
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);
dg_heading_node
= fgGetNode("/instrumentation/heading-indicator/indicated-heading-deg",
true);
roll_node = fgGetNode("/orientation/roll-deg", true);
pitch_node = fgGetNode("/orientation/pitch-deg", true);
@ -484,8 +487,10 @@ FGAutopilot::update (double dt)
// heading hold
if ( heading_hold == true ) {
if ( heading_mode == FG_DG_HEADING_LOCK ) {
TargetHeading = DGTargetHeading +
globals->get_steam()->get_DG_err();
double dg_error = heading_node->getDoubleValue()
- dg_heading_node->getDoubleValue();
TargetHeading = DGTargetHeading + dg_error;
// cout << "dg_error = " << dg_error << endl;
while ( TargetHeading < 0.0 ) { TargetHeading += 360.0; }
while ( TargetHeading > 360.0 ) { TargetHeading -= 360.0; }
MakeTargetHeadingStr( TargetHeading );
@ -887,10 +892,7 @@ void FGAutopilot::set_HeadingMode( fgAutoHeadingMode mode ) {
heading_mode = mode;
if ( heading_mode == FG_DG_HEADING_LOCK ) {
// set heading hold to current heading (as read from DG)
// ... no, leave target heading along ... just use the current
// heading bug value
// DGTargetHeading = FGSteam::get_DG_deg();
// use current heading bug value
} else if ( heading_mode == FG_TC_HEADING_LOCK ) {
// set autopilot to hold a zero turn (as reported by the TC)
} else if ( heading_mode == FG_TRUE_HEADING_LOCK ) {

1
src/Autopilot/newauto.hxx
View file

@ -124,6 +124,7 @@ private:
SGPropertyNode *altitude_agl_node;
SGPropertyNode *vertical_speed_node;
SGPropertyNode *heading_node;
SGPropertyNode *dg_heading_node;
SGPropertyNode *roll_node;
SGPropertyNode *pitch_node;