turn_indicator.hxx

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/*
 * SPDX-FileName: turn_indicator.hxx
 * SPDX-FileComment: an electric-powered turn indicator.
 * SPDX-License-Identifier: GPL-2.0-or-later
 * SPDX-FileContributor:  Written by David Megginson, started 2002.
 */
 
 
#pragma once
 
#include <Instrumentation/AbstractInstrument.hxx>
 
#include "gyro.hxx"
 

class TurnIndicator : public AbstractInstrument
{
public:
    TurnIndicator ( SGPropertyNode *node );
    virtual ~TurnIndicator ();
 
    // Subsystem API.
    void init() override;
    void reinit() override;
    void update(double dt) override;
 
    // Subsystem identification.
    static const char* staticSubsystemClassId() { return "turn-indicator"; }
 
private:
    Gyro _gyro;
    double _last_rate;
    double _gyro_spin_up, _gyro_spin_down;
 
    SGPropertyNode_ptr _roll_rate_node;
    SGPropertyNode_ptr _yaw_rate_node;
    SGPropertyNode_ptr _rate_out_node;
    SGPropertyNode_ptr _spin_node, _gyro_spin_up_node, _gyro_spin_down_node;
};