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flightgear/src/Instrumentation/transponder.hxx
James Turner 06dd219a83 Transponder instrument replaces KT-70.
Generic transponder can emulate KT-70 props. These emulated props
will likely die in the future, based on feedback from aircraft devs.

See (upcoming) Wiki docs on the transponder for more info.
2013-05-11 16:15:36 +01:00

109 lines
3 KiB
C++

// transponder.hxx -- class to impliment a transponder
//
// Written by Roy Vegard Ovesen, started September 2004.
//
// Copyright (C) 2004 Roy Vegard Ovesen - rvovesen@tiscali.no
// Copyright (C) 2013 Clement de l'Hamaide - clemaez@hotmail.fr
//
// 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 TRANSPONDER_HXX
#define TRANSPONDER_HXX 1
#ifndef __cplusplus
# error This library requires C++
#endif
#include <Main/fg_props.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/props/tiedpropertylist.hxx>
class Transponder : public SGSubsystem, public SGPropertyChangeListener
{
public:
Transponder(SGPropertyNode *node);
virtual ~Transponder();
virtual void init ();
virtual void update (double dt);
virtual void bind();
virtual void unbind();
private:
enum Mode
{
MODE_A = 0,
MODE_C,
MODE_S
};
enum KnobPosition
{
KNOB_OFF = 0,
KNOB_STANDBY,
KNOB_TEST,
KNOB_GROUND,
KNOB_ON,
KNOB_ALT
};
// annunciators, for KT-70 compatability only
// these should be replaced with conditionals in the instrument
bool getFLAnnunciator() const;
bool getAltAnnunciator() const;
bool getGroundAnnuciator() const;
bool getOnAnnunciator() const;
bool getStandbyAnnunciator() const;
bool getReplyAnnunciator() const;
// Inputs
SGPropertyNode_ptr _pressureAltitude_node;
SGPropertyNode_ptr _busPower_node;
SGPropertyNode_ptr _serviceable_node;
SGPropertyNode_ptr _mode_node;
SGPropertyNode_ptr _knob_node;
SGPropertyNode_ptr _idCode_node;
SGPropertyNode_ptr _digit_node[4];
simgear::TiedPropertyList _tiedProperties;
SGPropertyNode_ptr _identBtn_node;
bool _identMode;
bool _kt70Compat;
// Outputs
SGPropertyNode_ptr _altitude_node;
SGPropertyNode_ptr _altitudeValid_node;
SGPropertyNode_ptr _transmittedId_node;
SGPropertyNode_ptr _ident_node;
// Internal
std::string _name;
int _num;
Mode _mode;
KnobPosition _knob;
double _identTime;
int _listener_active;
double _requiredBusVolts;
std::string _altitudeSourcePath;
void valueChanged (SGPropertyNode *);
int setMinMax(int val);
bool has_power() const;
};
#endif // TRANSPONDER_HXX