X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=algo%2Fcrc.h;h=bc442b7e19d942356c665c139eb4dce1df257bdf;hb=HEAD;hp=475e70d14a5ef56aa941e17f200c5eb561029c45;hpb=35ae4275d8730a376ca61a92f08fb447eb2935b3;p=bertos.git

diff --git a/algo/crc.h b/algo/crc.h
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--- a/algo/crc.h
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-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction.  Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License.  This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2003, 2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 1999 Bernardo Innocenti <bernie@develer.com>
- *
- * -->
- *
- * \brief XModem-CRC16 algorithm (interface)
- *
- * \note This algorithm is incompatible with the CCITT-CRC16.
- *
- * This code is based on the article Copyright 1986 Stephen Satchell.
- *
- * Programmers may incorporate any or all code into their programs,
- * giving proper credit within the source. Publication of the
- * source routines is permitted so long as proper credit is given
- * to Stephen Satchell, Satchell Evaluations and Chuck Forsberg,
- * Omen Technology.
- *
- * \version $Id$
- * \author Bernardo Innocenti <bernie@develer.com>
- */
-
-#ifndef CRC_H
-#define CRC_H
-
-#include <cfg/compiler.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-
-
-/* CRC table */
-extern const uint16_t crc16tab[256];
-
-
-/**
- * \brief Compute the updated CRC16 value for one octet (macro version)
- *
- * \note This version is only intended for old/broken compilers.
- *       Use the inline function in new code.
- *
- * \param c New octet (range 0-255)
- * \param oldcrc Previous CRC16 value (referenced twice, beware of side effects)
- */
-#define UPDCRC16(c, oldcrc) (crc16tab[((oldcrc) >> 8) ^ ((unsigned char)(c))] ^ ((oldcrc) << 8))
-
-
-#ifdef INLINE
-/**
- * \brief Compute the updated CRC16 value for one octet (macro version)
- */
-INLINE uint16_t updcrc16(uint8_t c, uint16_t oldcrc)
-{
-	return crc16tab[(oldcrc >> 8) ^ c] ^ (oldcrc << 8);
-}
-#endif // INLINE
-
-
-/**
- * This function implements the CRC 16 calculation on a buffer.
- *
- * \param crc  Current CRC16 value.
- * \param buf  The buffer to perform CRC calculation on.
- * \param len  The length of the Buffer.
- *
- * \return The updated CRC16 value.
- */
-extern uint16_t crc16(uint16_t crc, const void *buf, size_t len);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-#endif /* CRC_H */