obsolete through changes to Instrumentation/{instrument_mgr,altimeter}.?xx
and Systems/static.?xx, and addition of Environment/atmosphere.?xx
This commit is contained in:
parent
7e6bc192ba
commit
ed4f3afcdf
2 changed files with 0 additions and 173 deletions
|
@ -1,112 +0,0 @@
|
|||
// encoder.cxx -- class to impliment an altitude encoder
|
||||
//
|
||||
// Written by Roy Vegard Ovesen, started September 2004.
|
||||
//
|
||||
// Copyright (C) 2004 Roy Vegard Ovesen - rvovesen@tiscali.no
|
||||
//
|
||||
// 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.
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include "encoder.hxx"
|
||||
|
||||
|
||||
// Altitude based on pressure difference from sea level.
|
||||
// pressure difference inHG, altitude ft
|
||||
static double altitude_data[][2] = {
|
||||
{ -8.41, -8858.27 },
|
||||
{ 0.00, 0.00 },
|
||||
{ 3.05, 2952.76 },
|
||||
{ 5.86, 5905.51 },
|
||||
{ 8.41, 8858.27 },
|
||||
{ 10.74, 11811.02 },
|
||||
{ 12.87, 14763.78 },
|
||||
{ 14.78, 17716.54 },
|
||||
{ 16.55, 20669.29 },
|
||||
{ 18.13, 23622.05 },
|
||||
{ 19.62, 26574.80 },
|
||||
{ 20.82, 29527.56 },
|
||||
{ 21.96, 32480.31 },
|
||||
{ 23.01, 35433.07 },
|
||||
{ 23.91, 38385.83 },
|
||||
{ 24.71, 41338.58 },
|
||||
{ 25.40, 44291.34 },
|
||||
{ 26.00, 47244.09 },
|
||||
{ 26.51, 50196.85 },
|
||||
{ 26.96, 53149.61 },
|
||||
{ 27.35, 56102.36 },
|
||||
{ 27.68, 59055.12 },
|
||||
{ 27.98, 62007.87 },
|
||||
{ 29.62, 100000.00 }, // just to fill it in
|
||||
{ -1, -1 }
|
||||
};
|
||||
|
||||
int round (double value, int nearest=1)
|
||||
{
|
||||
return ((int) (value/nearest + 0.5)) * nearest;
|
||||
}
|
||||
|
||||
|
||||
Encoder::Encoder(SGPropertyNode *node)
|
||||
:
|
||||
_name(node->getStringValue("name", "encoder")),
|
||||
_num(node->getIntValue("number", 0)),
|
||||
_static_pressure(node->getStringValue("static-pressure", "/systems/static/pressure-inhg")),
|
||||
altitudeTable(new SGInterpTable)
|
||||
{
|
||||
int i;
|
||||
for ( i = 0; altitude_data[i][0] != -1; i++ )
|
||||
altitudeTable->addEntry(altitude_data[i][0], altitude_data[i][1]);
|
||||
}
|
||||
|
||||
|
||||
Encoder::~Encoder()
|
||||
{
|
||||
delete altitudeTable;
|
||||
}
|
||||
|
||||
|
||||
void Encoder::init()
|
||||
{
|
||||
string branch;
|
||||
branch = "/instrumentation/" + _name;
|
||||
|
||||
SGPropertyNode *node = fgGetNode(branch.c_str(), _num, true );
|
||||
// Inputs
|
||||
staticPressureNode = fgGetNode(_static_pressure.c_str(), true);
|
||||
busPowerNode = fgGetNode("/systems/electrical/outputs/encoder", true);
|
||||
serviceableNode = node->getChild("serviceable", 0, true);
|
||||
// Outputs
|
||||
pressureAltitudeNode = node->getChild("pressure-alt-ft", 0, true);
|
||||
modeCAltitudeNode = node->getChild("mode-c-alt-ft", 0, true);
|
||||
}
|
||||
|
||||
|
||||
void Encoder::update(double dt)
|
||||
{
|
||||
if (serviceableNode->getBoolValue())
|
||||
{
|
||||
double staticPressure = staticPressureNode->getDoubleValue();
|
||||
double pressureAltitude =
|
||||
altitudeTable->interpolate(29.92 - staticPressure);
|
||||
int pressureAlt = round(pressureAltitude, 10);
|
||||
int modeCAltitude = round(pressureAltitude, 100);
|
||||
|
||||
pressureAltitudeNode->setIntValue(pressureAlt);
|
||||
modeCAltitudeNode->setIntValue(modeCAltitude);
|
||||
}
|
||||
}
|
|
@ -1,61 +0,0 @@
|
|||
// encoder.hxx -- class to impliment an altitude encoder
|
||||
//
|
||||
// Written by Roy Vegard Ovesen, started September 2004.
|
||||
//
|
||||
// Copyright (C) 2004 Roy Vegard Ovesen - rvovesen@tiscali.no
|
||||
//
|
||||
// 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 ENCODER_HXX
|
||||
#define ENCODER_HXX 1
|
||||
|
||||
#ifndef __cplusplus
|
||||
# error This library requires C++
|
||||
#endif
|
||||
|
||||
#include <Main/fg_props.hxx>
|
||||
|
||||
#include <simgear/math/interpolater.hxx>
|
||||
#include <simgear/structure/subsystem_mgr.hxx>
|
||||
|
||||
|
||||
class Encoder : public SGSubsystem
|
||||
{
|
||||
public:
|
||||
Encoder(SGPropertyNode *node);
|
||||
~Encoder();
|
||||
|
||||
void init ();
|
||||
void update (double dt);
|
||||
|
||||
private:
|
||||
// Inputs
|
||||
SGPropertyNode_ptr staticPressureNode;
|
||||
SGPropertyNode_ptr busPowerNode;
|
||||
SGPropertyNode_ptr serviceableNode;
|
||||
|
||||
// Outputs
|
||||
SGPropertyNode_ptr pressureAltitudeNode;
|
||||
SGPropertyNode_ptr modeCAltitudeNode;
|
||||
|
||||
// Internal
|
||||
string _name;
|
||||
int _num;
|
||||
string _static_pressure;
|
||||
|
||||
SGInterpTable* altitudeTable;
|
||||
};
|
||||
|
||||
#endif // ENCODER_HXX
|
Loading…
Reference in a new issue