GNU Radio 2.x: ppio.h Source File

00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2001,2003 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 
00023 #ifndef INCLUDED_PPIO_H
00024 #define INCLUDED_PPIO_H
00025 
00026 #include <boost/shared_ptr.hpp>
00027 
00028 class ppio;
00029 typedef boost::shared_ptr<ppio> ppio_sptr;
00030 
00031 
00036 class ppio {
00037  public:
00038   ppio () {}
00039   virtual ~ppio ();
00040 
00041   virtual void write_data (unsigned char v) = 0;
00042   virtual unsigned char read_data () = 0;
00043   virtual void write_control (unsigned char v) = 0;
00044   virtual unsigned char read_control () = 0;
00045   virtual unsigned char read_status () = 0;
00046 
00047   virtual void lock () = 0;
00048   virtual void unlock () = 0;
00049 };
00050 
00057 ppio_sptr make_ppio (int which_pp);
00058 
00059 
00060 #endif /* INCLUDED_PPIO_H */
00061