kopia lustrzana https://github.com/Hamlib/Hamlib
54 wiersze
1.5 KiB
C++
54 wiersze
1.5 KiB
C++
/* -*-C++-*-
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*******************************************************************************
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*
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* File: ppio.h
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* Description:
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*
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*******************************************************************************
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*/
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/*
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* Copyright 2001 Free Software Foundation, Inc.
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*
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* This file is part of GNU Radio
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*
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* GNU Radio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* GNU Radio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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 GNU Radio; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _PPIO_H_
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#define _PPIO_H_
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/*! \brief provide low level access to parallel port bits */
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class ppio {
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public:
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//! \p which specifies the parallel port to use [0,2]
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ppio (int a_which = 1);
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virtual ~ppio () {};
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virtual void write_data (unsigned char v);
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virtual unsigned char read_data ();
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virtual void write_control (unsigned char v);
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virtual unsigned char read_control ();
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virtual unsigned char read_status ();
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private:
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int base;
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};
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#endif /* _PPIO_H_ */
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