6d4ea1494c
off it's correct position once the gyro spins down below a certain threshold (such as what would happen in a vacuum failure.)
71 lines
1.7 KiB
C++
71 lines
1.7 KiB
C++
// attitude_indicator.hxx - a vacuum-powered attitude indicator.
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// Written by David Megginson, started 2002.
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//
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// This file is in the Public Domain and comes with no warranty.
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#ifndef __INSTRUMENTS_ATTITUDE_INDICATOR_HXX
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#define __INSTRUMENTS_ATTITUDE_INDICATOR_HXX 1
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#include <simgear/misc/props.hxx>
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#include <Main/fgfs.hxx>
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#include "gyro.hxx"
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/**
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* Model a vacuum-powered attitude indicator.
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*
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* This first, simple draft is hard-wired to vacuum pump #1.
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*
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* Input properties:
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*
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* /instrumentation/attitude-indicator/config/tumble-flag
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* /instrumentation/attitude-indicator/serviceable
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* /instrumentation/attitude-indicator/caged-flag
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* /instrumentation/attitude-indicator/tumble-norm
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* /orientation/pitch-deg
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* /orientation/roll-deg
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* /systems/vacuum[0]/suction-inhg
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*
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* Output properties:
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*
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* /instrumentation/attitude-indicator/indicated-pitch-deg
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* /instrumentation/attitude-indicator/indicated-roll-deg
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* /instrumentation/attitude-indicator/tumble-norm
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*/
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class AttitudeIndicator : public FGSubsystem
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{
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public:
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AttitudeIndicator ();
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virtual ~AttitudeIndicator ();
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virtual void init ();
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virtual void bind ();
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virtual void unbind ();
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virtual void update (double dt);
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private:
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Gyro _gyro;
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SGPropertyNode_ptr _tumble_flag_node;
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SGPropertyNode_ptr _caged_node;
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SGPropertyNode_ptr _tumble_node;
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SGPropertyNode_ptr _pitch_in_node;
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SGPropertyNode_ptr _roll_in_node;
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SGPropertyNode_ptr _suction_node;
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SGPropertyNode_ptr _pitch_int_node;
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SGPropertyNode_ptr _roll_int_node;
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SGPropertyNode_ptr _pitch_out_node;
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SGPropertyNode_ptr _roll_out_node;
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};
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#endif // __INSTRUMENTS_ATTITUDE_INDICATOR_HXX
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