AnalogInput.hpp

00001 /***************************************************************************
00002   tag: Peter Soetens  Thu Apr 22 20:40:58 CEST 2004  AnalogInput.hpp
00003 
00004                         AnalogInput.hpp -  description
00005                            -------------------
00006     begin                : Thu April 22 2004
00007     copyright            : (C) 2004 Peter Soetens
00008     email                : peter.soetens@mech.kuleuven.ac.be
00009 
00010  ***************************************************************************
00011  *   This library is free software; you can redistribute it and/or         *
00012  *   modify it under the terms of the GNU General Public                   *
00013  *   License as published by the Free Software Foundation;                 *
00014  *   version 2 of the License.                                             *
00015  *                                                                         *
00016  *   As a special exception, you may use this file as part of a free       *
00017  *   software library without restriction.  Specifically, if other files   *
00018  *   instantiate templates or use macros or inline functions from this     *
00019  *   file, or you compile this file and link it with other files to        *
00020  *   produce an executable, this file does not by itself cause the         *
00021  *   resulting executable to be covered by the GNU General Public          *
00022  *   License.  This exception does not however invalidate any other        *
00023  *   reasons why the executable file might be covered by the GNU General   *
00024  *   Public License.                                                       *
00025  *                                                                         *
00026  *   This library is distributed in the hope that it will be useful,       *
00027  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00028  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00029  *   Lesser General Public License for more details.                       *
00030  *                                                                         *
00031  *   You should have received a copy of the GNU General Public             *
00032  *   License along with this library; if not, write to the Free Software   *
00033  *   Foundation, Inc., 59 Temple Place,                                    *
00034  *   Suite 330, Boston, MA  02111-1307  USA                                *
00035  *                                                                         *
00036  ***************************************************************************/
00037 
00038 #ifndef ANALOGINPUT_HPP
00039 #define ANALOGINPUT_HPP
00040 
00041 #include "AnalogInInterface.hpp"
00042 
00043 namespace RTT
00044 {
00050     class RTT_API AnalogInput
00051     {
00052     public:
00059         AnalogInput( AnalogInInterface* ana_in, unsigned int channel_nr )
00060             :board(ana_in), channel(channel_nr)
00061         {
00062         }
00063 
00067         ~AnalogInput() {};
00068 
00072         double value() const
00073         {
00074             double r(0.0);
00075             board->read(channel, r);
00076             return r;
00077         }
00078 
00082         int rawValue() const
00083         {
00084             int r(0);
00085             board->rawRead(channel, r);
00086             return r;
00087         }
00088 
00089     private:
00090         AnalogInInterface *board;
00091         int channel;
00092     };
00093 }
00094 
00095 #endif // ANALOGINPUT_HPP
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