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crc_8_16.h

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00001 /* 
00002  *
00003  * This file is part of the 'NewsService Journaline(R) Decoder'
00004  * 
00005  * Copyright (c) 2003, 2004 by Fraunhofer IIS, Erlangen, Germany
00006  * 
00007  * --------------------------------------------------------------------
00008  * 
00009  * For NON-COMMERCIAL USE,
00010  * the 'NewsService Journaline(R) Decoder' is free software;
00011  * you can redistribute it and/or modify it under the terms of
00012  * the GNU General Public License as published by the
00013  * Free Software Foundation; either version 2 of the License, or
00014  * (at your option) any later version.
00015  * 
00016  * The 'NewsService Journaline(R) Decoder' is distributed in the hope
00017  * that it will be useful, but WITHOUT ANY WARRANTY;
00018  * without even the implied warranty of
00019  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020  * GNU General Public License for more details.
00021  * 
00022  * You should have received a copy of the GNU General Public License
00023  * along with the 'NewsService Journaline(R) Decoder';
00024  * if not, write to the Free Software Foundation, Inc.,
00025  * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00026  * 
00027  * 
00028  * If you use this software in a project with user interaction, please
00029  * provide the following text to the user in an appropriate place:
00030  * "Features NewsService Journaline(R) decoder technology by
00031  * Fraunhofer IIS, Erlangen, Germany.
00032  * For more information visit http://www.iis.fhg.de/dab"
00033  * 
00034  * --------------------------------------------------------------------
00035  * 
00036  * To use the 'NewsService Journaline(R) Decoder' software for
00037  * COMMERCIAL purposes, please contact Fraunhofer IIS for a
00038  * commercial license (see below for contact information)!
00039  * 
00040  * --------------------------------------------------------------------
00041  * 
00042  * Contact:
00043  *   Fraunhofer IIS, Department 'Broadcast Applications'
00044  *   Am Wolfsmantel 33, 91058 Erlangen, Germany
00045  *   http://www.iis.fraunhofer.de/dab
00046  *   mailto:bc-info@iis.fraunhofer.de
00047  * 
00048  */
00049 
00050 
00051 
00070 #include <stdio.h>
00071 #include <stdlib.h>
00072 #include <assert.h>
00073 #include <malloc.h>
00074 
00075 
00076 #ifdef __cplusplus
00077 extern "C"
00078 {
00079 #endif /* __cplusplus */
00080 
00081 /* calculates the CRC-16 value */
00082 unsigned short CRC_Build_16(const unsigned char *cDataPointer, 
00083                             const unsigned long iLength);
00084 
00085 /* calculates the CRC-8 value */
00086 unsigned char CRC_Build_8(const unsigned char *cDataPointer, 
00087                           const unsigned long iLength);
00088 
00089 /* checks if there are errors in the received data */
00090 char CRC_Check_16(const unsigned char *cDataPointer, 
00091                   const unsigned long iLength, 
00092                   const unsigned short iCRC_16);
00093 
00094 /* checks if there are errors in the received data */
00095 char CRC_Check_8(const unsigned char *cDataPointer, 
00096                  const unsigned long iLength,
00097                  const unsigned char iCRC_8);
00098 
00099 
00100 #ifdef __cplusplus
00101 }
00102 #endif /* __cplusplus */

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