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ppio.h

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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 _PPIO_H_ 00024 #define _PPIO_H_ 00025 00030 class ppio { 00031 public: 00032 ppio () {} 00033 virtual ~ppio (); 00034 00035 virtual void write_data (unsigned char v) = 0; 00036 virtual unsigned char read_data () = 0; 00037 virtual void write_control (unsigned char v) = 0; 00038 virtual unsigned char read_control () = 0; 00039 virtual unsigned char read_status () = 0; 00040 00041 virtual void lock () = 0; 00042 virtual void unlock () = 0; 00043 00044 static ppio *make (int which_pp); 00045 }; 00046 00047 00048 #endif /* _PPIO_H_ */

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