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79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
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/**
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* \file
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* PETSCII/ASCII conversion functions.
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* \author Adam Dunkels <adam@dunkels.com>
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*
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* The Commodore based Contiki targets all have a special character
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* encoding called PETSCII which differs from the ASCII encoding that
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* normally is used for representing characters.
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*
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* \note For targets that do not use PETSCII encoding the C compiler
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* define WITH_ASCII should be used to avoid the PETSCII converting
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* functions.
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*
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*/
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/*
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* Copyright (c) 2002, Adam Dunkels.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the Contiki desktop environment for the C64.
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*
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*
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*/
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#ifndef __PETSCIICONV_H__
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#define __PETSCIICONV_H__
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#ifdef WITH_PETSCII
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#include "contiki-conf.h"
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/**
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* Convert a text buffer from PETSCII to ASCII.
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*
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* \param buf A pointer to the buffer which is to be converted.
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* \param len The length of the buffer to be converted.
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*/
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void petsciiconv_toascii(char *buf, unsigned int len);
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/**
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* Convert a text buffer from ASCII to PETSCII.
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*
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* \param buf A pointer to the buffer which is to be converted.
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* \param len The length of the buffer to be converted.
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*/
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void petsciiconv_topetscii(char *buf, unsigned int len);
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#else /* WITH_PETSCII */
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#define petsciiconv_toascii(buf, len)
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#define petsciiconv_topetscii(buf, len)
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#endif /* WITH_PETSCII */
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#endif /* __PETSCIICONV_H__ */
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