--- /dev/null
+// kt-70.cxx -- class to impliment the King KT 70 panel-m transponder
+//
+// Written by Curtis Olson, started July 2002.
+//
+// Copyright (C) 2002 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.
+//
+// $Id$
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdio.h> // snprintf
+
+#include <simgear/compiler.h>
+#include <simgear/math/sg_random.h>
+
+#include <Aircraft/aircraft.hxx>
+
+#include "kt_70.hxx"
+
+
+// Constructor
+FGKT_70::FGKT_70() :
+ lon_node(fgGetNode("/position/longitude-deg", true)),
+ lat_node(fgGetNode("/position/latitude-deg", true)),
+ alt_node(fgGetNode("/position/altitude-ft", true)),
+ r_flash_time(0.0),
+ ident_mode(false),
+ ident_btn(false),
+ last_ident_btn(false),
+ digit1(1), digit2(2), digit3(0), digit4(0),
+ func_knob(4),
+ id_code(1200),
+ flight_level(0),
+ fl_ann(0),
+ alt_ann(0),
+ gnd_ann(0),
+ on_ann(0),
+ sby_ann(0),
+ reply_ann(0)
+{
+}
+
+
+// Destructor
+FGKT_70::~FGKT_70() { }
+
+
+void FGKT_70::init () {
+ update(0); // FIXME: use dt
+}
+
+
+void FGKT_70::bind () {
+ // internal values
+
+ // modes
+
+ // input and buttons
+ fgTie("/radios/kt-70/inputs/ident-btn", this,
+ &FGKT_70::get_ident_btn, &FGKT_70::set_ident_btn);
+ fgSetArchivable("/radios/kt-70/inputs/rotation-deg");
+ fgTie("/radios/kt-70/inputs/digit1", this,
+ &FGKT_70::get_digit1, &FGKT_70::set_digit1);
+ fgSetArchivable("/radios/kt-70/inputs/digit1");
+ fgTie("/radios/kt-70/inputs/digit2", this,
+ &FGKT_70::get_digit2, &FGKT_70::set_digit2);
+ fgSetArchivable("/radios/kt-70/inputs/digit2");
+ fgTie("/radios/kt-70/inputs/digit3", this,
+ &FGKT_70::get_digit3, &FGKT_70::set_digit3);
+ fgSetArchivable("/radios/kt-70/inputs/digit3");
+ fgTie("/radios/kt-70/inputs/digit4", this,
+ &FGKT_70::get_digit4, &FGKT_70::set_digit4);
+ fgSetArchivable("/radios/kt-70/inputs/digit4");
+ fgTie("/radios/kt-70/inputs/func-knob", this,
+ &FGKT_70::get_func_knob, &FGKT_70::set_func_knob);
+ fgSetArchivable("/radios/kt-70/inputs/func-knob");
+
+ // outputs
+ fgTie("/radios/kt-70/outputs/id-code", this,
+ &FGKT_70::get_id_code, &FGKT_70::set_id_code);
+ fgSetArchivable("/radios/kt-70/outputs/id-code");
+ fgTie("/radios/kt-70/outputs/flight-level", this,
+ &FGKT_70::get_flight_level);
+
+ // annunciators
+ fgTie("/radios/kt-70/annunciators/fl", this, &FGKT_70::get_fl_ann );
+ fgTie("/radios/kt-70/annunciators/alt", this, &FGKT_70::get_alt_ann );
+ fgTie("/radios/kt-70/annunciators/gnd", this, &FGKT_70::get_gnd_ann );
+ fgTie("/radios/kt-70/annunciators/on", this, &FGKT_70::get_on_ann );
+ fgTie("/radios/kt-70/annunciators/sby", this, &FGKT_70::get_sby_ann );
+ fgTie("/radios/kt-70/annunciators/reply", this, &FGKT_70::get_reply_ann );
+}
+
+
+void FGKT_70::unbind () {
+ // internal values
+
+ // modes
+
+ // input and buttons
+ fgUntie("/radios/kt-70/inputs/ident-btn");
+ fgUntie("/radios/kt-70/inputs/digit1");
+ fgUntie("/radios/kt-70/inputs/digit2");
+ fgUntie("/radios/kt-70/inputs/digit3");
+ fgUntie("/radios/kt-70/inputs/digit4");
+ fgUntie("/radios/kt-70/inputs/func-knob");
+
+ // outputs
+ fgUntie("/radios/kt-70/outputs/id-code");
+ fgUntie("/radios/kt-70/outputs/flight-level");
+
+ // annunciators
+ fgUntie("/radios/kt-70/annunciators/fl");
+ fgUntie("/radios/kt-70/annunciators/alt");
+ fgUntie("/radios/kt-70/annunciators/gnd");
+ fgUntie("/radios/kt-70/annunciators/on");
+ fgUntie("/radios/kt-70/annunciators/sby");
+ fgUntie("/radios/kt-70/annunciators/reply");
+}
+
+
+// Update the various nav values based on position and valid tuned in navs
+void FGKT_70::update( double dt ) {
+ double acft_lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double acft_lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ double acft_elev = alt_node->getDoubleValue() * SG_FEET_TO_METER;
+
+ Point3D aircraft = sgGeodToCart( Point3D( acft_lon, acft_lat, acft_elev ) );
+
+ // sanity checks
+ if ( digit1 < 0 ) { digit1 = 0; }
+ if ( digit1 > 7 ) { digit1 = 7; }
+ if ( digit2 < 0 ) { digit2 = 0; }
+ if ( digit2 > 7 ) { digit2 = 7; }
+ if ( digit3 < 0 ) { digit3 = 0; }
+ if ( digit3 > 7 ) { digit3 = 7; }
+ if ( digit4 < 0 ) { digit4 = 0; }
+ if ( digit4 > 7 ) { digit4 = 7; }
+
+ id_code = digit1 * 1000 + digit2 * 100 + digit3 * 10 + digit4;
+
+ // flight level computation
+
+ // FIXME!!!! This needs to be computed relative to 29.92 inHg, but
+ // for the moment, until I figure out how to do that, I'll just
+ // use true altitude.
+ flight_level = (int)( (alt_node->getDoubleValue() + 50.0) / 100.0);
+
+ // ident button
+ if ( ident_btn && !last_ident_btn ) {
+ // ident button depressed
+ r_flash_time = 0.0;
+ ident_mode = true;
+ }
+ r_flash_time += dt;
+ if ( r_flash_time > 18.0 ) {
+ ident_mode = false;
+ }
+
+ // start with all annunciators off (reply ann is handled
+ // separately) and then turn on the ones we want
+ fl_ann = false;
+ alt_ann = false;
+ gnd_ann = false;
+ on_ann = false;
+ sby_ann = false;
+
+ if ( ident_mode ) {
+ reply_ann = true;
+ } else {
+ reply_ann = false;
+ }
+
+ if ( func_knob == 0 ) {
+ // leave everything off
+ } else if ( func_knob == 1 ) {
+ sby_ann = true;
+ } else if ( func_knob == 2 ) {
+ fl_ann = true;
+ alt_ann = true;
+ gnd_ann = true;
+ on_ann = true;
+ sby_ann = true;
+ reply_ann = true;
+ } else if ( func_knob == 3 ) {
+ fl_ann = true;
+ gnd_ann = true;
+ } else if ( func_knob == 4 ) {
+ on_ann = true;
+ } else if ( func_knob == 5 ) {
+ fl_ann = true;
+ alt_ann = true;
+ }
+
+}
--- /dev/null
+// kt-70.hxx -- class to impliment the King KT 70 panel-m transponder
+//
+// Written by Curtis Olson, started July 2002.
+//
+// Copyright (C) 2002 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_KT_70_HXX
+#define _FG_KT_70_HXX
+
+
+#include <Main/fgfs.hxx>
+#include <Main/fg_props.hxx>
+
+#include <simgear/compiler.h>
+
+#include <simgear/math/interpolater.hxx>
+#include <simgear/timing/timestamp.hxx>
+
+#include <Navaids/navlist.hxx>
+#include <Sound/beacon.hxx>
+#include <Sound/morse.hxx>
+
+
+class FGKT_70 : public FGSubsystem
+{
+ SGPropertyNode *lon_node;
+ SGPropertyNode *lat_node;
+ SGPropertyNode *alt_node;
+
+ // internal values
+ double r_flash_time;
+
+ // modes
+ bool ident_mode; // false = normal, true = ident/squawk
+
+ // input and buttons
+ bool ident_btn;
+ bool last_ident_btn;
+ int digit1, digit2, digit3, digit4;
+ int func_knob; // 0 = OFF, 1 = SBY, 2 = TST, 3 = GND, 4 = ON,
+ // 5 = ALT
+
+ // outputs
+ int id_code;
+ int flight_level;
+
+ // annunciators
+ bool fl_ann; // flight level
+ bool alt_ann; // altitude
+ bool gnd_ann; // ground
+ bool on_ann; // on
+ bool sby_ann; // standby
+ bool reply_ann; // reply
+
+public:
+
+ FGKT_70();
+ ~FGKT_70();
+
+ void init ();
+ void bind ();
+ void unbind ();
+ void update (double dt);
+ void search () { /* empty placeholder */ }
+
+ // internal values
+
+ // modes
+ // inline int get_stby_mode() const { return stby_mode; }
+
+ // input and buttons
+ inline bool get_ident_btn() const { return ident_btn; }
+ inline void set_ident_btn( bool val ) { ident_btn = val; }
+ inline int get_digit1() const { return digit1; }
+ inline void set_digit1( int val ) { digit1 = val; }
+ inline int get_digit2() const { return digit2; }
+ inline void set_digit2( int val ) { digit2 = val; }
+ inline int get_digit3() const { return digit3; }
+ inline void set_digit3( int val ) { digit3 = val; }
+ inline int get_digit4() const { return digit4; }
+ inline void set_digit4( int val ) { digit4 = val; }
+ inline int get_func_knob() const { return func_knob; }
+ inline void set_func_knob( int val ) { func_knob = val; }
+
+ // outputs
+ inline int get_id_code () const { return id_code; }
+ inline void set_id_code( int c ) { id_code = c; }
+ inline int get_flight_level () const { return flight_level; }
+
+ // annunciators
+ inline bool get_fl_ann() const { return fl_ann; }
+ inline bool get_alt_ann() const { return alt_ann; }
+ inline bool get_gnd_ann() const { return gnd_ann; }
+ inline bool get_on_ann() const { return on_ann; }
+ inline bool get_sby_ann() const { return sby_ann; }
+ inline bool get_reply_ann() const { return reply_ann; }
+};
+
+
+#endif // _FG_KT_70_HXX
// 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 () {
return current_radiostack->get_nav1_radial();
}
-
double FGSteam::get_HackOBS2_deg () {
return current_radiostack->get_nav2_radial();
}
projects / flightgear.git / commitdiff