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TARGET_NRF51_MICROBIT/TARGET_NORDIC/TARGET_MCU_NRF51822/Lib/nordic_sdk/components/libraries/crc16/crc16.h
- Committer:
- daitangio
- Date:
- 2017-01-20
- Revision:
- 4:271bc3554c8f
- Parent:
- 0:e1a608bb55e8
File content as of revision 4:271bc3554c8f:
/* 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__ /** @} */