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/* -*- c++ -*- */
/*
* Copyright 2001,2003 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio 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 3, or (at your option)
* any later version.
*
* GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_PPIO_PPDEV_H
#define INCLUDED_PPIO_PPDEV_H
#include <gr_core_api.h>
#include <ppio.h>
class ppio_ppdev;
typedef boost::shared_ptr<ppio_ppdev> ppio_ppdev_sptr;
/*!
* \brief access to parallel port bits using the linux ppdev interface
* \ingroup hardware
*/
class GR_CORE_API ppio_ppdev : public ppio {
friend GR_CORE_API ppio_ppdev_sptr make_ppio_ppdev (int which = 0);
ppio_ppdev (int which = 0);
public:
virtual ~ppio_ppdev ();
virtual void write_data (unsigned char v);
virtual unsigned char read_data ();
virtual void write_control (unsigned char v);
virtual unsigned char read_control ();
virtual unsigned char read_status ();
virtual void lock ();
virtual void unlock ();
private:
int d_fd;
};
ppio_ppdev_sptr
make_ppio_ppdev (int which);
#endif /* INCLUDED_PPIO_PPDEV_H */
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