flipflop.hxx

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// flipflop.hxx - implementation of multiple flip flop types
//
// Written by Torsten Dreyer
//
// Copyright (C) 2010  Torsten Dreyer - Torsten (at) t3r (dot) de
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
#ifndef __FLIPFLOPCOMPONENT_HXX
#define __FLIPFLOPCOMPONENT_HXX 1
 
#include "logic.hxx"
 
namespace FGXMLAutopilot {

class FlipFlopImplementation : public SGReferenced {
protected:
  virtual bool configure( SGPropertyNode& cfg_node,
                          const std::string& cfg_name,
                          SGPropertyNode& prop_root )
  { return false; }
public:
  virtual ~FlipFlopImplementation() {}
  virtual bool getState( double dt, DigitalComponent::InputMap input, bool & q ) { return false; }

  bool configure( SGPropertyNode& prop_root,
                  SGPropertyNode& cfg );
 
  virtual bool isConfigProperty(const std::string& cfg_name) const { return false; }
};

class FlipFlop : public Logic
{
public:
    // Subsystem identification.
    static const char* staticSubsystemClassId() { return "flipflop"; }
 
protected:
    virtual bool configure( SGPropertyNode& cfg_node,
                            const std::string& cfg_name,
                            SGPropertyNode& prop_root );

    void update( bool firstTime, double dt );
 
private:
    SGSharedPtr<FlipFlopImplementation> _implementation;
};
 
}
#endif // FLIPFLOPCOMPONENT_HXX