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/* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
/** @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>
#ifdef __cplusplus
extern "C" {
#endif
/**@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);
#ifdef __cplusplus
}
#endif
#endif // CRC16_H__
/** @} */
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