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/*
* Copyright (c) Nordic Semiconductor ASA
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of Nordic Semiconductor ASA nor the names of other
* contributors to this software may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/** @file
*
* @defgroup crc_compute CRC compute
* @{
* @ingroup hci_transport
*
* @brief This module implements the CRC-16 calculation in the blocks.
*/
#ifndef CRC16_H__
#define CRC16_H__
#include <stdint.h>
/**@brief Function for calculating CRC-16 in blocks.
*
* Feed each consecutive data block into this function, along with the current value of p_crc as
* returned by the previous call of this function. The first call of this function should pass NULL
* as the initial value of the crc in p_crc.
*
* @param[in] p_data The input data block for computation.
* @param[in] size The size of the input data block in bytes.
* @param[in] p_crc The previous calculated CRC-16 value or NULL if first call.
*
* @return The updated CRC-16 value, based on the input supplied.
*/
uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc);
#endif // CRC16_H__
/** @} */
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