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ros-jade-openrtm-aist-1.1.0
src
lib
coil
include
coil
crc.h
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// -*- C++ -*-
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#ifndef COIL_CRC_H
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#define COIL_CRC_H
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#include <sys/types.h>
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namespace
coil
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{
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/*
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* @if jp
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*
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* @brief CRC-16 計算関数
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*
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* CRC種類: CRC-CCITT
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* CRC多項式: x^16 + x^12 + x^5 + 1 (0x1021)
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* 初期値: 0xFFFF
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* 出力XOR: 0x0000
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* 入力ビット反転: なし
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* 出力ビット反転: なし
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* ビットシフト: 左
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*
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* @param str データストリーム
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* @param len データ長
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*
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* @return 計算結果
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*
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* @else
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*
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* @brief CRC-16 calculation function
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*
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* CRC type: CRC-CCITT
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* CRC generator polynomial: x^16 + x^12 + x^5 + 1 (0x1021)
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* Initial value: 0xFFFF
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* Output XOR: 0x0000
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* Input bit inversion: None
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* Output bit inversion: None
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* Bit shift: left
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*
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* @param str Data stream
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* @param len Data length
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*
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* @return Result calculation
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*
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* @endif
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*/
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unsigned
short
crc16
(
const
char
* str,
size_t
len);
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unsigned
long
crc32
(
const
char
* str,
size_t
len);
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};
//namespace coil
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#endif // COIL_CRC_H
coil::crc16
unsigned short crc16(const char *str, size_t len)
coil::crc32
unsigned long crc32(const char *str, size_t len)
CRC-32 calculation function.
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