Initial revision of a Bendix/King KT 70 transponder.
This commit is contained in:
parent
ac61b8323e
commit
5f37f2eaa5
6 changed files with 340 additions and 66 deletions
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@ -8,6 +8,7 @@ libCockpit_a_SOURCES = \
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hud_lat.cxx hud_lon.cxx \
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hud_lat.cxx hud_lon.cxx \
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hud_scal.cxx hud_tbi.cxx \
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hud_scal.cxx hud_tbi.cxx \
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kr_87.cxx kr_87.hxx \
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kr_87.cxx kr_87.hxx \
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kt_70.cxx kt_70.hxx \
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panel.cxx panel.hxx \
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panel.cxx panel.hxx \
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panel_io.cxx panel_io.hxx \
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panel_io.cxx panel_io.hxx \
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radiostack.cxx radiostack.hxx \
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radiostack.cxx radiostack.hxx \
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212
src/Cockpit/kt_70.cxx
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212
src/Cockpit/kt_70.cxx
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@ -0,0 +1,212 @@
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// kt-70.cxx -- class to impliment the King KT 70 panel-m transponder
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//
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// Written by Curtis Olson, started July 2002.
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//
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// Copyright (C) 2002 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h> // snprintf
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#include <simgear/compiler.h>
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#include <simgear/math/sg_random.h>
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#include <Aircraft/aircraft.hxx>
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#include "kt_70.hxx"
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// Constructor
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FGKT_70::FGKT_70() :
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lon_node(fgGetNode("/position/longitude-deg", true)),
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lat_node(fgGetNode("/position/latitude-deg", true)),
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alt_node(fgGetNode("/position/altitude-ft", true)),
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r_flash_time(0.0),
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ident_mode(false),
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ident_btn(false),
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last_ident_btn(false),
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digit1(1), digit2(2), digit3(0), digit4(0),
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func_knob(4),
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id_code(1200),
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flight_level(0),
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fl_ann(0),
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alt_ann(0),
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gnd_ann(0),
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on_ann(0),
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sby_ann(0),
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reply_ann(0)
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{
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}
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// Destructor
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FGKT_70::~FGKT_70() { }
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void FGKT_70::init () {
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update(0); // FIXME: use dt
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}
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void FGKT_70::bind () {
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// internal values
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// modes
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// input and buttons
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fgTie("/radios/kt-70/inputs/ident-btn", this,
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&FGKT_70::get_ident_btn, &FGKT_70::set_ident_btn);
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fgSetArchivable("/radios/kt-70/inputs/rotation-deg");
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fgTie("/radios/kt-70/inputs/digit1", this,
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&FGKT_70::get_digit1, &FGKT_70::set_digit1);
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fgSetArchivable("/radios/kt-70/inputs/digit1");
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fgTie("/radios/kt-70/inputs/digit2", this,
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&FGKT_70::get_digit2, &FGKT_70::set_digit2);
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fgSetArchivable("/radios/kt-70/inputs/digit2");
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fgTie("/radios/kt-70/inputs/digit3", this,
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&FGKT_70::get_digit3, &FGKT_70::set_digit3);
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fgSetArchivable("/radios/kt-70/inputs/digit3");
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fgTie("/radios/kt-70/inputs/digit4", this,
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&FGKT_70::get_digit4, &FGKT_70::set_digit4);
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fgSetArchivable("/radios/kt-70/inputs/digit4");
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fgTie("/radios/kt-70/inputs/func-knob", this,
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&FGKT_70::get_func_knob, &FGKT_70::set_func_knob);
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fgSetArchivable("/radios/kt-70/inputs/func-knob");
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// outputs
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fgTie("/radios/kt-70/outputs/id-code", this,
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&FGKT_70::get_id_code, &FGKT_70::set_id_code);
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fgSetArchivable("/radios/kt-70/outputs/id-code");
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fgTie("/radios/kt-70/outputs/flight-level", this,
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&FGKT_70::get_flight_level);
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// annunciators
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fgTie("/radios/kt-70/annunciators/fl", this, &FGKT_70::get_fl_ann );
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fgTie("/radios/kt-70/annunciators/alt", this, &FGKT_70::get_alt_ann );
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fgTie("/radios/kt-70/annunciators/gnd", this, &FGKT_70::get_gnd_ann );
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fgTie("/radios/kt-70/annunciators/on", this, &FGKT_70::get_on_ann );
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fgTie("/radios/kt-70/annunciators/sby", this, &FGKT_70::get_sby_ann );
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fgTie("/radios/kt-70/annunciators/reply", this, &FGKT_70::get_reply_ann );
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}
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void FGKT_70::unbind () {
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// internal values
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// modes
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// input and buttons
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fgUntie("/radios/kt-70/inputs/ident-btn");
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fgUntie("/radios/kt-70/inputs/digit1");
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fgUntie("/radios/kt-70/inputs/digit2");
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fgUntie("/radios/kt-70/inputs/digit3");
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fgUntie("/radios/kt-70/inputs/digit4");
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fgUntie("/radios/kt-70/inputs/func-knob");
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// outputs
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fgUntie("/radios/kt-70/outputs/id-code");
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fgUntie("/radios/kt-70/outputs/flight-level");
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// annunciators
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fgUntie("/radios/kt-70/annunciators/fl");
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fgUntie("/radios/kt-70/annunciators/alt");
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fgUntie("/radios/kt-70/annunciators/gnd");
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fgUntie("/radios/kt-70/annunciators/on");
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fgUntie("/radios/kt-70/annunciators/sby");
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fgUntie("/radios/kt-70/annunciators/reply");
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}
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// Update the various nav values based on position and valid tuned in navs
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void FGKT_70::update( double dt ) {
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double acft_lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
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double acft_lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
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double acft_elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
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Point3D aircraft = sgGeodToCart( Point3D( acft_lon, acft_lat, acft_elev ) );
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// sanity checks
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if ( digit1 < 0 ) { digit1 = 0; }
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if ( digit1 > 7 ) { digit1 = 7; }
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if ( digit2 < 0 ) { digit2 = 0; }
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if ( digit2 > 7 ) { digit2 = 7; }
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if ( digit3 < 0 ) { digit3 = 0; }
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if ( digit3 > 7 ) { digit3 = 7; }
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if ( digit4 < 0 ) { digit4 = 0; }
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if ( digit4 > 7 ) { digit4 = 7; }
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id_code = digit1 * 1000 + digit2 * 100 + digit3 * 10 + digit4;
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// flight level computation
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// FIXME!!!! This needs to be computed relative to 29.92 inHg, but
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// for the moment, until I figure out how to do that, I'll just
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// use true altitude.
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flight_level = (int)( (alt_node->getDoubleValue() + 50.0) / 100.0);
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// ident button
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if ( ident_btn && !last_ident_btn ) {
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// ident button depressed
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r_flash_time = 0.0;
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ident_mode = true;
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}
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r_flash_time += dt;
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if ( r_flash_time > 18.0 ) {
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ident_mode = false;
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}
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// start with all annunciators off (reply ann is handled
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// separately) and then turn on the ones we want
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fl_ann = false;
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alt_ann = false;
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gnd_ann = false;
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on_ann = false;
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sby_ann = false;
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if ( ident_mode ) {
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reply_ann = true;
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} else {
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reply_ann = false;
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}
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if ( func_knob == 0 ) {
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// leave everything off
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} else if ( func_knob == 1 ) {
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sby_ann = true;
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} else if ( func_knob == 2 ) {
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fl_ann = true;
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alt_ann = true;
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gnd_ann = true;
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on_ann = true;
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sby_ann = true;
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reply_ann = true;
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} else if ( func_knob == 3 ) {
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fl_ann = true;
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gnd_ann = true;
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} else if ( func_knob == 4 ) {
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on_ann = true;
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} else if ( func_knob == 5 ) {
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fl_ann = true;
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alt_ann = true;
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}
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}
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117
src/Cockpit/kt_70.hxx
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117
src/Cockpit/kt_70.hxx
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@ -0,0 +1,117 @@
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// kt-70.hxx -- class to impliment the King KT 70 panel-m transponder
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//
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// Written by Curtis Olson, started July 2002.
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//
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// Copyright (C) 2002 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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#ifndef _FG_KT_70_HXX
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#define _FG_KT_70_HXX
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#include <Main/fgfs.hxx>
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#include <Main/fg_props.hxx>
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#include <simgear/compiler.h>
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#include <simgear/math/interpolater.hxx>
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#include <simgear/timing/timestamp.hxx>
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#include <Navaids/navlist.hxx>
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#include <Sound/beacon.hxx>
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#include <Sound/morse.hxx>
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class FGKT_70 : public FGSubsystem
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{
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SGPropertyNode *lon_node;
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SGPropertyNode *lat_node;
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SGPropertyNode *alt_node;
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// internal values
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double r_flash_time;
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// modes
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bool ident_mode; // false = normal, true = ident/squawk
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// input and buttons
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bool ident_btn;
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bool last_ident_btn;
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int digit1, digit2, digit3, digit4;
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int func_knob; // 0 = OFF, 1 = SBY, 2 = TST, 3 = GND, 4 = ON,
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// 5 = ALT
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// outputs
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int id_code;
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int flight_level;
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// annunciators
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bool fl_ann; // flight level
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bool alt_ann; // altitude
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bool gnd_ann; // ground
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bool on_ann; // on
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bool sby_ann; // standby
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bool reply_ann; // reply
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public:
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FGKT_70();
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~FGKT_70();
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void init ();
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void bind ();
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void unbind ();
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void update (double dt);
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void search () { /* empty placeholder */ }
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// internal values
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// modes
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// inline int get_stby_mode() const { return stby_mode; }
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// input and buttons
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inline bool get_ident_btn() const { return ident_btn; }
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inline void set_ident_btn( bool val ) { ident_btn = val; }
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inline int get_digit1() const { return digit1; }
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inline void set_digit1( int val ) { digit1 = val; }
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inline int get_digit2() const { return digit2; }
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inline void set_digit2( int val ) { digit2 = val; }
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inline int get_digit3() const { return digit3; }
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inline void set_digit3( int val ) { digit3 = val; }
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inline int get_digit4() const { return digit4; }
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inline void set_digit4( int val ) { digit4 = val; }
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inline int get_func_knob() const { return func_knob; }
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inline void set_func_knob( int val ) { func_knob = val; }
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// outputs
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inline int get_id_code () const { return id_code; }
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inline void set_id_code( int c ) { id_code = c; }
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inline int get_flight_level () const { return flight_level; }
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// annunciators
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inline bool get_fl_ann() const { return fl_ann; }
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inline bool get_alt_ann() const { return alt_ann; }
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inline bool get_gnd_ann() const { return gnd_ann; }
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inline bool get_on_ann() const { return on_ann; }
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inline bool get_sby_ann() const { return sby_ann; }
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inline bool get_reply_ann() const { return reply_ann; }
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};
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#endif // _FG_KT_70_HXX
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@ -123,6 +123,7 @@ FGRadioStack::FGRadioStack() :
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FGRadioStack::~FGRadioStack()
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FGRadioStack::~FGRadioStack()
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{
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{
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adf.unbind();
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adf.unbind();
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xponder.unbind();
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unbind(); // FIXME: should be called externally
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unbind(); // FIXME: should be called externally
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delete term_tbl;
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delete term_tbl;
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@ -135,6 +136,7 @@ void
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FGRadioStack::init ()
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FGRadioStack::init ()
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{
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{
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adf.init();
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adf.init();
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xponder.init();
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morse.init();
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morse.init();
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beacon.init();
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beacon.init();
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@ -142,9 +144,11 @@ FGRadioStack::init ()
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search();
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search();
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adf.search();
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adf.search();
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xponder.search();
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update(0); // FIXME: use dt
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update(0); // FIXME: use dt
|
||||||
adf.update(0);
|
adf.update(0);
|
||||||
|
xponder.update(0);
|
||||||
|
|
||||||
// Search radio database once per second
|
// Search radio database once per second
|
||||||
global_events.Register( "fgRadioSearch()",
|
global_events.Register( "fgRadioSearch()",
|
||||||
|
@ -265,6 +269,7 @@ FGRadioStack::bind ()
|
||||||
&FGRadioStack::get_outer_blink);
|
&FGRadioStack::get_outer_blink);
|
||||||
|
|
||||||
adf.bind();
|
adf.bind();
|
||||||
|
xponder.bind();
|
||||||
}
|
}
|
||||||
|
|
||||||
void
|
void
|
||||||
|
@ -317,6 +322,7 @@ FGRadioStack::unbind ()
|
||||||
fgUntie("/radios/marker-beacon/outer");
|
fgUntie("/radios/marker-beacon/outer");
|
||||||
|
|
||||||
adf.unbind();
|
adf.unbind();
|
||||||
|
xponder.unbind();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -685,6 +691,7 @@ FGRadioStack::update(double dt)
|
||||||
// cout << outer_blink << " " << middle_blink << " " << inner_blink << endl;
|
// cout << outer_blink << " " << middle_blink << " " << inner_blink << endl;
|
||||||
|
|
||||||
adf.update( dt );
|
adf.update( dt );
|
||||||
|
xponder.update( dt );
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@ -1085,6 +1092,7 @@ void FGRadioStack::search()
|
||||||
last_beacon = beacon_type;
|
last_beacon = beacon_type;
|
||||||
|
|
||||||
adf.search();
|
adf.search();
|
||||||
|
xponder.search();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
|
@ -39,6 +39,7 @@
|
||||||
#include <Sound/morse.hxx>
|
#include <Sound/morse.hxx>
|
||||||
|
|
||||||
#include "kr_87.hxx" // ADF
|
#include "kr_87.hxx" // ADF
|
||||||
|
#include "kt_70.hxx" // Transponder
|
||||||
|
|
||||||
class FGRadioStack : public FGSubsystem
|
class FGRadioStack : public FGSubsystem
|
||||||
{
|
{
|
||||||
|
@ -178,6 +179,7 @@ class FGRadioStack : public FGSubsystem
|
||||||
bool inner_blink;
|
bool inner_blink;
|
||||||
|
|
||||||
FGKR_87 adf; // King KR 87 Digital ADF model
|
FGKR_87 adf; // King KR 87 Digital ADF model
|
||||||
|
FGKT_70 xponder; // Bendix/King KT 70 Panel-Mounted Transponder
|
||||||
|
|
||||||
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
|
// model standard VOR/DME/TACAN service volumes as per AIM 1-1-8
|
||||||
double adjustNavRange( double stationElev, double aircraftElev,
|
double adjustNavRange( double stationElev, double aircraftElev,
|
||||||
|
|
|
@ -392,76 +392,10 @@ void FGSteam::_CatchUp()
|
||||||
// Everything below is a transient hack; expect it to disappear
|
// Everything below is a transient hack; expect it to disappear
|
||||||
////////////////////////////////////////////////////////////////////////
|
////////////////////////////////////////////////////////////////////////
|
||||||
|
|
||||||
|
|
||||||
#if 0
|
|
||||||
|
|
||||||
double FGSteam::get_HackGS_deg () {
|
|
||||||
if ( current_radiostack->get_nav1_inrange() &&
|
|
||||||
current_radiostack->get_nav1_has_gs() )
|
|
||||||
{
|
|
||||||
double x = current_radiostack->get_nav1_gs_dist();
|
|
||||||
double y = (fgGetDouble("/position/altitude-ft")
|
|
||||||
- current_radiostack->get_nav1_elev())
|
|
||||||
* SG_FEET_TO_METER;
|
|
||||||
double angle = atan2( y, x ) * SGD_RADIANS_TO_DEGREES;
|
|
||||||
return (current_radiostack->get_nav1_target_gs() - angle) * 5.0;
|
|
||||||
} else {
|
|
||||||
return 0.0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
double FGSteam::get_HackVOR1_deg () {
|
|
||||||
double r;
|
|
||||||
|
|
||||||
if ( current_radiostack->get_nav1_inrange() ) {
|
|
||||||
r = current_radiostack->get_nav1_heading()
|
|
||||||
- current_radiostack->get_nav1_radial();
|
|
||||||
// cout << "Radial = " << current_radiostack->get_nav1_radial()
|
|
||||||
// << " Bearing = " << current_radiostack->get_nav1_heading()
|
|
||||||
// << endl;
|
|
||||||
|
|
||||||
if (r> 180.0) r-=360.0; else
|
|
||||||
if (r<-180.0) r+=360.0;
|
|
||||||
if ( fabs(r) > 90.0 )
|
|
||||||
r = ( r<0.0 ? -r-180.0 : -r+180.0 );
|
|
||||||
// According to Robin Peel, the ILS is 4x more sensitive than a vor
|
|
||||||
if ( current_radiostack->get_nav1_loc() ) r *= 4.0;
|
|
||||||
} else {
|
|
||||||
r = 0.0;
|
|
||||||
}
|
|
||||||
|
|
||||||
return r;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
double FGSteam::get_HackVOR2_deg () {
|
|
||||||
double r;
|
|
||||||
|
|
||||||
if ( current_radiostack->get_nav2_inrange() ) {
|
|
||||||
r = current_radiostack->get_nav2_heading()
|
|
||||||
- current_radiostack->get_nav2_radial();
|
|
||||||
// cout << "Radial = " << current_radiostack->get_nav1_radial()
|
|
||||||
// << " Bearing = " << current_radiostack->get_nav1_heading() << endl;
|
|
||||||
|
|
||||||
if (r> 180.0) r-=360.0; else
|
|
||||||
if (r<-180.0) r+=360.0;
|
|
||||||
if ( fabs(r) > 90.0 )
|
|
||||||
r = ( r<0.0 ? -r-180.0 : -r+180.0 );
|
|
||||||
} else {
|
|
||||||
r = 0.0;
|
|
||||||
}
|
|
||||||
|
|
||||||
return r;
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
|
|
||||||
double FGSteam::get_HackOBS1_deg () {
|
double FGSteam::get_HackOBS1_deg () {
|
||||||
return current_radiostack->get_nav1_radial();
|
return current_radiostack->get_nav1_radial();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
double FGSteam::get_HackOBS2_deg () {
|
double FGSteam::get_HackOBS2_deg () {
|
||||||
return current_radiostack->get_nav2_radial();
|
return current_radiostack->get_nav2_radial();
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue