src/Instrumentation/attitude_indicator.hxx

   1 // attitude_indicator.hxx - a vacuum-powered attitude indicator.
   2 // Written by David Megginson, started 2002.
   3 //
   4 // This file is in the Public Domain and comes with no warranty.
   5
   6
   7 #ifndef __INSTRUMENTS_ATTITUDE_INDICATOR_HXX
   8 #define __INSTRUMENTS_ATTITUDE_INDICATOR_HXX 1
   9
  10 #ifndef __cplusplus
  11 # error This library requires C++
  12 #endif
  13
  14 #include <simgear/misc/props.hxx>
  15 #include <Main/fgfs.hxx>
  16
  17
  18 /**
  19  * Model a vacuum-powered attitude indicator.
  20  *
  21  * This first, simple draft is hard-wired to vacuum pump #1.
  22  *
  23  * Input properties:
  24  *
  25  * /instrumentation/attitude-indicator/serviceable
  26  * /instrumentation/attitude-indicator/spin
  27  * /orientation/pitch-deg
  28  * /orientation/roll-deg
  29  * /systems/vacuum[0]/suction-inhg
  30  *
  31  * Output properties:
  32  *
  33  * /instrumentation/attitude-indicator/indicated-pitch-deg
  34  * /instrumentation/attitude-indicator/indicated-roll-deg
  35  */
  36 class AttitudeIndicator : public FGSubsystem
  37 {
  38
  39 public:
  40
  41     AttitudeIndicator ();
  42     virtual ~AttitudeIndicator ();
  43
  44     virtual void init ();
  45     virtual void bind ();
  46     virtual void unbind ();
  47     virtual void update (double dt);
  48
  49 private:
  50
  51     SGPropertyNode_ptr _serviceable_node;
  52     SGPropertyNode_ptr _spin_node;
  53     SGPropertyNode_ptr _pitch_in_node;
  54     SGPropertyNode_ptr _roll_in_node;
  55     SGPropertyNode_ptr _suction_node;
  56     SGPropertyNode_ptr _pitch_out_node;
  57     SGPropertyNode_ptr _roll_out_node;
  58
  59 };
  60
  61 #endif // __INSTRUMENTS_ATTITUDE_INDICATOR_HXX