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