--- /dev/null
+// native_ctrls.cxx -- FGFS "Native" controls I/O class
+//
+// Written by Curtis Olson, started July 2001.
+//
+// Copyright (C) 2001 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.
+//
+// $Id$
+
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/io/iochannel.hxx>
+
+#include "native_ctrls.hxx"
+
+
+FGNativeCtrls::FGNativeCtrls() {
+}
+
+FGNativeCtrls::~FGNativeCtrls() {
+}
+
+
+// open hailing frequencies
+bool FGNativeCtrls::open() {
+ if ( is_enabled() ) {
+ SG_LOG( SG_IO, SG_ALERT, "This shouldn't happen, but the channel "
+ << "is already in use, ignoring" );
+ return false;
+ }
+
+ SGIOChannel *io = get_io_channel();
+
+ if ( ! io->open( get_direction() ) ) {
+ SG_LOG( SG_IO, SG_ALERT, "Error opening channel communication layer." );
+ return false;
+ }
+
+ set_enabled( true );
+
+ return true;
+}
+
+
+static void global2raw( FGControls *global, FGRawCtrls *raw ) {
+ int i;
+
+ raw->aileron = globals->get_controls()->get_aileron();
+ raw->elevator = globals->get_controls()->get_elevator();
+ raw->elevator_trim = globals->get_controls()->get_elevator_trim();
+ raw->rudder = globals->get_controls()->get_rudder();
+ raw->flaps = globals->get_controls()->get_flaps();
+ for ( i = 0; i < FG_MAX_ENGINES; ++i ) {
+ raw->throttle[i] = globals->get_controls()->get_throttle(i);
+ raw->mixture[i] = globals->get_controls()->get_mixture(i);
+ raw->prop_advance[i] = globals->get_controls()->get_prop_advance(i);
+ }
+ for ( i = 0; i < FG_MAX_WHEELS; ++i ) {
+ raw->brake[i] = globals->get_controls()->get_brake(i);
+ }
+}
+
+
+static void raw2global( FGRawCtrls *raw, FGControls *global ) {
+ int i;
+
+ globals->get_controls()->set_aileron( raw->aileron );
+ globals->get_controls()->set_elevator( raw->elevator );
+ globals->get_controls()->set_elevator_trim( raw->elevator_trim );
+ globals->get_controls()->set_rudder( raw->rudder );
+ globals->get_controls()->set_flaps( raw->flaps );
+ for ( i = 0; i < FG_MAX_ENGINES; ++i ) {
+ globals->get_controls()->set_throttle( i, raw->throttle[i] );
+ globals->get_controls()->set_mixture( i, raw->mixture[i] );
+ globals->get_controls()->set_prop_advance( i, raw->prop_advance[i] );
+ }
+ for ( i = 0; i < FG_MAX_WHEELS; ++i ) {
+ globals->get_controls()->set_brake( i, raw->brake[i] );
+ }
+}
+
+
+// process work for this port
+bool FGNativeCtrls::process() {
+ SGIOChannel *io = get_io_channel();
+ int length = sizeof(FGRawCtrls);
+
+ if ( get_direction() == SG_IO_OUT ) {
+ // cout << "size of cur_fdm_state = " << length << endl;
+
+ global2raw( globals->get_controls(), &raw_ctrls );
+
+ if ( ! io->write( (char *)(& raw_ctrls), length ) ) {
+ SG_LOG( SG_IO, SG_ALERT, "Error writing data." );
+ return false;
+ }
+ } else if ( get_direction() == SG_IO_IN ) {
+ if ( io->get_type() == sgFileType ) {
+ if ( io->read( (char *)(& raw_ctrls), length ) == length ) {
+ SG_LOG( SG_IO, SG_DEBUG, "Success reading data." );
+ raw2global( &raw_ctrls, globals->get_controls() );
+ }
+ } else {
+ while ( io->read( (char *)(& raw_ctrls), length ) == length ) {
+ SG_LOG( SG_IO, SG_DEBUG, "Success reading data." );
+ raw2global( &raw_ctrls, globals->get_controls() );
+ }
+ }
+ }
+
+ return true;
+}
+
+
+// close the channel
+bool FGNativeCtrls::close() {
+ SGIOChannel *io = get_io_channel();
+
+ set_enabled( false );
+
+ if ( ! io->close() ) {
+ return false;
+ }
+
+ return true;
+}
--- /dev/null
+// native_ctrls.hxx -- FGFS "Native" controls I/O class
+//
+// Written by Curtis Olson, started July 2001.
+//
+// Copyright (C) 2001 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_NATIVE_CTRLS_HXX
+#define _FG_NATIVE_CTRLS_HXX
+
+
+#include <simgear/compiler.h>
+
+#include STL_STRING
+
+#include <Controls/controls.hxx>
+
+#include "protocol.hxx"
+#include "raw_ctrls.hxx"
+
+SG_USING_STD(string);
+
+
+class FGNativeCtrls : public FGProtocol {
+
+ FGRawCtrls raw_ctrls;
+ FGControls ctrls;
+
+ int length;
+
+public:
+
+ FGNativeCtrls();
+ ~FGNativeCtrls();
+
+ // open hailing frequencies
+ bool open();
+
+ // process work for this port
+ bool process();
+
+ // close the channel
+ bool close();
+};
+
+
+#endif // _FG_NATIVE_CTRLS_HXX
+
+
--- /dev/null
+// raw_ctrls.hxx -- defines a common raw I/O interface to the flight
+// sim controls
+//
+// Written by Curtis Olson, started July 2001.
+//
+// Copyright (C) 2001 Curtis L. Olson - curt@flightgear.com
+//
+// 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 _RAW_CTRLS_HXX
+#define _RAW_CTRLS_HXX
+
+
+#ifndef __cplusplus
+# error This library requires C++
+#endif
+
+
+const int FG_MAX_ENGINES = 10;
+const int FG_MAX_WHEELS = 3;
+
+// Define a structure containing the control parameters
+
+class FGRawCtrls {
+
+public:
+
+ double aileron; // -1 ... 1
+ double elevator; // -1 ... 1
+ double elevator_trim; // -1 ... 1
+ double rudder; // -1 ... 1
+ double flaps; // 0 ... 1
+ double throttle[FG_MAX_ENGINES]; // 0 ... 1
+ double mixture[FG_MAX_ENGINES]; // 0 ... 1
+ double prop_advance[FG_MAX_ENGINES]; // 0 ... 1
+ double brake[FG_MAX_WHEELS]; // 0 ... 1
+
+};
+
+
+#endif // _RAW_CTRLS_HXX
+
+
projects / flightgear.git / commitdiff