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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [crc16.h] - Rev 82

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/*
 *	crc16.h - CRC-16 routine
 *
 * Implements the standard CRC-16:
 *   Width 16
 *   Poly  0x8005 (x^16 + x^15 + x^2 + 1)
 *   Init  0
 *
 * Copyright (c) 2005 Ben Gardner <bgardner@wabtec.com>
 *
 * This source code is licensed under the GNU General Public License,
 * Version 2. See the file COPYING for more details.
 */
 
#ifndef __CRC16_H
#define __CRC16_H
 
#include <linux/types.h>
 
extern u16 const crc16_table[256];
 
extern u16 crc16(u16 crc, const u8 *buffer, size_t len);
 
static inline u16 crc16_byte(u16 crc, const u8 data)
{
	return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff];
}
 
#endif /* __CRC16_H */
 
 

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