Main Page | Namespace List | Class Hierarchy | Class List | Directories | File List | Namespace Members | Class Members | File Members | Related Pages

i2c.h

Go to the documentation of this file.
00001 /* -*-C++-*-
00002 *******************************************************************************
00003 *
00004 * File:         i2c.h
00005 * Description:  
00006 *
00007 *******************************************************************************
00008 */
00009 
00010 /*
00011  * Copyright 2001 Free Software Foundation, Inc.
00012  * 
00013  * This file is part of GNU Radio
00014  * 
00015  * GNU Radio is free software; you can redistribute it and/or modify
00016  * it under the terms of the GNU General Public License as published by
00017  * the Free Software Foundation; either version 2, or (at your option)
00018  * any later version.
00019  * 
00020  * GNU Radio is distributed in the hope that it will be useful,
00021  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00022  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023  * GNU General Public License for more details.
00024  * 
00025  * You should have received a copy of the GNU General Public License
00026  * along with GNU Radio; see the file COPYING.  If not, write to
00027  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00028  * Boston, MA 02111-1307, USA.
00029  */
00030 
00031 #ifndef _I2C_H_
00032 #define _I2C_H_
00033 
00034 #include "i2cio.h"
00035 
00039 class i2c {
00040  public:
00041   
00043   i2c (i2cio *io);
00044   ~i2c () {};
00045   
00047   bool write (int addr, const unsigned char *buf, int nbytes);
00048 
00050   int read (int addr, unsigned char *buf, int max_bytes);
00051 
00052 
00053 private:
00054   void start ();
00055   void stop ();
00056   void write_bit (bool bit);
00057   bool write_byte (char byte);
00058   
00059   void set_sda (bool bit) { d_io->set_sda (bit); }
00060   void set_scl (bool bit) { d_io->set_scl (bit); }
00061   bool get_sda () { return d_io->get_sda (); }
00062 
00063   i2cio *d_io;
00064 };
00065 
00066 #endif /* _I2C_H_ */

Generated on Tue Mar 15 23:55:33 2005 for GNU Radio by  doxygen 1.4.0