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/** @file
* Declaration of CRC-5 routines and table
*
* 2019 Tomasz Mon <desowin@gmail.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __CRC5_H__
#define __CRC5_H__
#include <wireshark.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/** Compute the 5-bit CRC value of a input value matching the CRC-5
defined in USB 2.0 Specification. This function calculates the CRC
on low 11 bits of the input value. High bits are ignored.
@param input Source data for which the CRC-5 should be calculated.
@return the CRC5 checksum for input value */
WS_DLL_PUBLIC uint8_t crc5_usb_11bit_input(uint16_t input);
/** Compute the 5-bit CRC value of a input value matching the CRC-5
defined in USB 2.0 Specification. This function calculates the CRC
on low 19 bits of the input value. High bits are ignored.
@param input Source data for which the CRC-5 should be calculated.
@return the CRC5 checksum for input value */
WS_DLL_PUBLIC uint8_t crc5_usb_19bit_input(uint32_t input);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CRC5_H__ */
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