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