/* -*- 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 */