41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* crc5.h
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* Declaration of CRC-5 routines and table
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*
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* 2019 Tomasz Mon <desowin@gmail.com>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __CRC5_H__
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#define __CRC5_H__
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#include "ws_symbol_export.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/** Compute the 5-bit CRC value of a input value matching the CRC-5
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defined in USB 2.0 Specification. This function calculates the CRC
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on low 11 bits of the input value. High bits are ignored.
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@param input Source data for which the CRC-5 should be calculated.
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@return the CRC5 checksum for input value */
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WS_DLL_PUBLIC guint8 crc5_usb_11bit_input(guint16 input);
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/** Compute the 5-bit CRC value of a input value matching the CRC-5
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defined in USB 2.0 Specification. This function calculates the CRC
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on low 19 bits of the input value. High bits are ignored.
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@param input Source data for which the CRC-5 should be calculated.
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@return the CRC5 checksum for input value */
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WS_DLL_PUBLIC guint8 crc5_usb_19bit_input(guint32 input);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __CRC5_H__ */
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