117 lines
3 KiB
C++
117 lines
3 KiB
C++
// dme.hxx -- class to manage an instance of the DME
|
|
//
|
|
// Written by Curtis Olson, started April 2000.
|
|
//
|
|
// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
|
|
//
|
|
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
//
|
|
// $Id$
|
|
|
|
|
|
#ifndef _FG_DME_HXX
|
|
#define _FG_DME_HXX
|
|
|
|
|
|
#include <Main/fg_props.hxx>
|
|
|
|
#include <simgear/compiler.h>
|
|
#include <simgear/structure/subsystem_mgr.hxx>
|
|
// #include <simgear/math/interpolater.hxx>
|
|
#include <simgear/timing/timestamp.hxx>
|
|
|
|
// #include <Navaids/ilslist.hxx>
|
|
#include <Navaids/navlist.hxx>
|
|
// #include <Sound/beacon.hxx>
|
|
#include <Sound/morse.hxx>
|
|
|
|
// #include "kr_87.hxx" // ADF
|
|
// #include "kt_70.hxx" // Transponder
|
|
// #include "navcom.hxx"
|
|
|
|
class FGDME : public SGSubsystem
|
|
{
|
|
SGPropertyNode *lon_node;
|
|
SGPropertyNode *lat_node;
|
|
SGPropertyNode *alt_node;
|
|
SGPropertyNode *bus_power;
|
|
SGPropertyNode *navcom1_bus_power, *navcom2_bus_power;
|
|
SGPropertyNode *navcom1_power_btn, *navcom2_power_btn;
|
|
SGPropertyNode *navcom1_freq, *navcom2_freq;
|
|
|
|
bool need_update;
|
|
|
|
bool valid;
|
|
int switch_pos;
|
|
bool inrange;
|
|
double freq;
|
|
double lon;
|
|
double lat;
|
|
double elev;
|
|
double range;
|
|
double effective_range;
|
|
double x;
|
|
double y;
|
|
double z;
|
|
double bias;
|
|
double dist;
|
|
double prev_dist;
|
|
double spd;
|
|
double ete;
|
|
SGTimeStamp last_time;
|
|
|
|
public:
|
|
|
|
FGDME();
|
|
~FGDME();
|
|
|
|
void init ();
|
|
void bind ();
|
|
void unbind ();
|
|
void update (double dt);
|
|
|
|
// Update dme based on current postition
|
|
void search ();
|
|
|
|
// DME Setters
|
|
inline void set_freq (double freq) {
|
|
freq = freq; need_update = true;
|
|
}
|
|
|
|
|
|
// DME Accessors
|
|
inline bool has_power() const {
|
|
return (switch_pos > 0)
|
|
&& (bus_power->getDoubleValue() > 1.0);
|
|
}
|
|
inline bool navcom1_on() const {
|
|
return (navcom1_bus_power->getDoubleValue() > 1.0)
|
|
&& navcom1_power_btn->getBoolValue();
|
|
}
|
|
inline bool navcom2_on() const {
|
|
return (navcom2_bus_power->getDoubleValue() > 1.0)
|
|
&& navcom2_power_btn->getBoolValue();
|
|
}
|
|
inline double get_freq () const { return freq; }
|
|
|
|
// Calculated values.
|
|
inline bool get_inrange () const { return inrange; }
|
|
inline double get_dist () const { return dist; }
|
|
inline double get_spd () const { return spd; }
|
|
inline double get_ete () const { return ete; }
|
|
};
|
|
|
|
|
|
#endif // _FG_DME_HXX
|