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/*
* 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 code was taken from the linux kernel. The license is GPL Version 2.
*/
#ifndef __CRC16_H__
#define __CRC16_H__
#include <stdlib.h>
#include <stdint.h>
extern uint16_t const crc16_table[256];
extern uint16_t crc16(uint16_t crc, const uint8_t *buffer, size_t len);
static inline uint16_t crc16_byte(uint16_t crc, const uint8_t data)
{
return (crc >> 8) ^ crc16_table[(crc ^ data) & 0xff];
}
#endif /* __CRC16_H__ */