3 * Copyright 2001,2004 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with GNU Radio; see the file COPYING. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street,
20 * Boston, MA 02110-1301, USA.
23 #ifndef INCLUDED_I2C_H
24 #define INCLUDED_I2C_H
26 #include <boost/shared_ptr.hpp>
29 typedef boost::shared_ptr<i2c> i2c_sptr;
32 * \brief abstract class for controlling i2c bus
40 //! \returns true iff successful
41 virtual bool write (int addr, const unsigned char *buf, int nbytes) = 0;
43 //! \returns number of bytes read or -1 if error
44 virtual int read (int addr, unsigned char *buf, int max_bytes) = 0;
47 #endif /* INCLUDED_I2C_H */