Al Williams / nRF51822Copy

Copy of nRF51822 library

Fork of nRF51822 by Nordic Semiconductor

nordic/nrf-sdk/app_common/crc16.h@0:eff01767de02, 2014-03-26 (annotated)

Committer:
bogdanm
Date:
Wed Mar 26 14:38:17 2014 +0000
Revision:
0:eff01767de02
Child:
37:c29c330d942c
Initial import of the nRF51822 code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:eff01767de02 1 /* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
bogdanm 0:eff01767de02 2 *
bogdanm 0:eff01767de02 3 * The information contained herein is property of Nordic Semiconductor ASA.
bogdanm 0:eff01767de02 4 * Terms and conditions of usage are described in detail in NORDIC
bogdanm 0:eff01767de02 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
bogdanm 0:eff01767de02 6 *
bogdanm 0:eff01767de02 7 * Licensees are granted free, non-transferable use of the information. NO
bogdanm 0:eff01767de02 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
bogdanm 0:eff01767de02 9 * the file.
bogdanm 0:eff01767de02 10 *
bogdanm 0:eff01767de02 11 */
bogdanm 0:eff01767de02 12
bogdanm 0:eff01767de02 13 /** @file
bogdanm 0:eff01767de02 14 *
bogdanm 0:eff01767de02 15 * @defgroup crc_compute CRC compute
bogdanm 0:eff01767de02 16 * @{
bogdanm 0:eff01767de02 17 * @ingroup hci_transport
bogdanm 0:eff01767de02 18 *
bogdanm 0:eff01767de02 19 * @brief This module implements the CRC-16 calculation in the blocks.
bogdanm 0:eff01767de02 20 */
bogdanm 0:eff01767de02 21
bogdanm 0:eff01767de02 22 #ifndef CRC16_H__
bogdanm 0:eff01767de02 23 #define CRC16_H__
bogdanm 0:eff01767de02 24
bogdanm 0:eff01767de02 25 #include <stdint.h>
bogdanm 0:eff01767de02 26 #include "nordic_global.h"
bogdanm 0:eff01767de02 27
bogdanm 0:eff01767de02 28 /**@brief Function for calculating CRC-16 in blocks.
bogdanm 0:eff01767de02 29 *
bogdanm 0:eff01767de02 30 * Feed each consecutive data block into this function, along with the current value of p_crc as
bogdanm 0:eff01767de02 31 * returned by the previous call of this function. The first call of this function should pass NULL
bogdanm 0:eff01767de02 32 * as the initial value of the crc in p_crc.
bogdanm 0:eff01767de02 33 *
bogdanm 0:eff01767de02 34 * @param[in] p_data The input data block for computation.
bogdanm 0:eff01767de02 35 * @param[in] size The size of the input data block in bytes.
bogdanm 0:eff01767de02 36 * @param[in] p_crc The previous calculated CRC-16 value or NULL if first call.
bogdanm 0:eff01767de02 37 *
bogdanm 0:eff01767de02 38 * @return The updated CRC-16 value, based on the input supplied.
bogdanm 0:eff01767de02 39 */
bogdanm 0:eff01767de02 40 uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc);
bogdanm 0:eff01767de02 41
bogdanm 0:eff01767de02 42 #endif // CRC16_H__
bogdanm 0:eff01767de02 43
bogdanm 0:eff01767de02 44 /** @} */