Eric Lee / smarc-uboot

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include/crc.h 1002 Bytes
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d41ce506b   Eric Lee   Initial Release, ... 
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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
  
  /* 16 bit CRC with polynomial x^16+x^12+x^5+1 (CRC-CCITT) */
  
  uint16_t crc16_ccitt(uint16_t crc_start, unsigned char *s, int len);
  
  #endif /* _SERVICES_CRC_CRC_H_ */