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include/crc.h
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/* *========================================================================== * * crc.h * * Interface for the CRC algorithms. * *========================================================================== |
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* SPDX-License-Identifier: eCos-2.0 |
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*========================================================================== *#####DESCRIPTIONBEGIN#### * * Author(s): Andrew Lunn * Contributors: Andrew Lunn * Date: 2002-08-06 * Purpose: * Description: * * This code is part of eCos (tm). * *####DESCRIPTIONEND#### * *========================================================================== */ |
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#ifndef _SERVICES_CRC_CRC_H_ #define _SERVICES_CRC_CRC_H_ #include <linux/types.h> #ifndef __externC # ifdef __cplusplus # define __externC extern "C" # else # define __externC extern # endif #endif |
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/* Compute a CRC, using the POSIX 1003 definition */ extern uint32_t |
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cyg_posix_crc32(unsigned char *s, int len); |
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/* Gary S. Brown's 32 bit CRC */ |
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extern uint32_t |
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cyg_crc32(unsigned char *s, int len); |
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/* Gary S. Brown's 32 bit CRC, but accumulate the result from a */ /* previous CRC calculation */ |
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extern uint32_t |
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cyg_crc32_accumulate(uint32_t crc, unsigned char *s, int len); |
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/* Ethernet FCS Algorithm */ |
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extern uint32_t |
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cyg_ether_crc32(unsigned char *s, int len); |
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/* Ethernet FCS algorithm, but accumulate the result from a previous */ /* CRC calculation. */ |
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extern uint32_t |
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cyg_ether_crc32_accumulate(uint32_t crc, unsigned char *s, int len); |
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/* 16 bit CRC with polynomial x^16+x^12+x^5+1 */ |
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extern uint16_t cyg_crc16(unsigned char *s, int len); |
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#endif /* _SERVICES_CRC_CRC_H_ */ |