2004-12-24 01:23:27 +00:00
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// ATC-Outputs.hxx -- Translate FGFS properties into ATC hardware outputs
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//
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// Written by Curtis Olson, started November 2004.
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//
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// Copyright (C) 2004 Curtis L. Olson - http://www.flightgear.org/~curt
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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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2006-02-21 01:16:04 +00:00
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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2004-12-24 01:23:27 +00:00
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//
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// $Id$
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#ifndef _FG_ATC_OUTPUTS_HXX
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#define _FG_ATC_OUTPUTS_HXX
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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 <Main/fg_props.hxx>
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#define ATC_RADIO_DISPLAY_BYTES 48
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#define ATC_COMPASS_CH 5
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#define ATC_STEPPER_HOME 0xC0
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class FGATCOutput {
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int is_open;
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int board;
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SGPath config;
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int lock_fd;
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int lamps_fd;
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int radio_display_fd;
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int stepper_fd;
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char lamps_file[256];
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char radio_display_file[256];
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char stepper_file[256];
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unsigned char radio_display_data[ATC_RADIO_DISPLAY_BYTES];
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SGPropertyNode *lamps_out_node;
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SGPropertyNode *radio_display_node;
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SGPropertyNode *steppers_node;
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void init_config();
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bool do_lamps();
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bool do_radio_display();
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bool do_steppers();
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// hardwired stepper motor code
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float compass_position;
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public:
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// Constructor: The _board parameter specifies which board to
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// reference. Possible values are 0 or 1. The _config_file
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// parameter specifies the location of the output config file (xml)
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FGATCOutput( const int _board, const SGPath &_config_file );
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// Destructor
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~FGATCOutput() { }
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// need to pass in atc hardware lock_fd so that the radios and
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// lamps can be blanked and so that the compass can be homed.
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bool open( int lock_fd );
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// process the hardware outputs. This code assumes the calling
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// layer will lock the hardware.
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bool process();
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bool close();
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};
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#endif // _FG_ATC_OUTPUTS_HXX
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