DigitalInput.hpp
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1 /***************************************************************************
2  tag: Peter Soetens Mon Jan 19 14:11:20 CET 2004 DigitalInput.hpp
3 
4  DigitalInput.hpp - description
5  -------------------
6  begin : Mon January 19 2004
7  copyright : (C) 2004 Peter Soetens
8  email : peter.soetens@mech.kuleuven.ac.be
9 
10  ***************************************************************************
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37 
38 #ifndef DIGITALINPUT_HPP
39 #define DIGITALINPUT_HPP
40 
41 #include "DigitalInInterface.hpp"
42 
43 namespace RTT
44 { namespace dev {
45 
54  class RTT_API DigitalInput
55  {
56  public:
65  DigitalInput( DigitalInInterface* dig_in, unsigned int bit_nr, bool invert = false )
66  :board(dig_in), bitnumber(bit_nr) , minvert(invert), mvalue(invert)
67  {
68  }
69 
78  DigitalInput( const bool& value, bool invert = false )
79  :board(0), bitnumber(0), minvert(invert), mvalue(value)
80  {
81  }
82 
87 
93  bool isOn() const
94  {
95  // Q: who knew that != is logical xor ?
96  return board ? minvert != board->isOn(bitnumber) : minvert != mvalue;
97  }
98 
99  private:
102  bool minvert;
103  const bool& mvalue;
104  };
105 }}
106 
107 #endif // DIGITALINPUT_HPP
DigitalInput(const bool &value, bool invert=false)
DigitalInput(DigitalInInterface *dig_in, unsigned int bit_nr, bool invert=false)
DigitalInInterface * board
Contains TaskContext, Activity, OperationCaller, Operation, Property, InputPort, OutputPort, Attribute.
Definition: Activity.cpp:53


rtt
Author(s): RTT Developers
autogenerated on Tue Jun 25 2019 19:33:24