/* -*- c++ -*- */
/*
 * Copyright 2001,2004 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_I2C_BBIO_H
#define INCLUDED_I2C_BBIO_H

#include <gr_core_api.h>
#include <boost/shared_ptr.hpp>

class i2c_bbio;
typedef boost::shared_ptr<i2c_bbio>	i2c_bbio_sptr;


/*!
 * \brief abstract class that implements bit banging i/o for i2c bus.
 * \ingroup base
 */
class GR_CORE_API i2c_bbio {
 public:

  i2c_bbio () {}
  virtual ~i2c_bbio ();

  virtual void set_scl (bool state) = 0;
  virtual void set_sda (bool state) = 0;
  virtual bool get_sda () = 0;

  virtual void lock () = 0;
  virtual void unlock () = 0;
};

#endif /* INCLUDED_I2C_BBIO_H */