Nordic Semiconductor / nrf51-sdk

Nordic nrf51 sdk sources. Mirrored from https://github.com/ARMmbed/nrf51-sdk.

Dependents:   nRF51822 nRF51822

source/nordic_sdk/components/libraries/crc16/crc16.h@28:041dac1366b2, 2016-04-07 (annotated)

Committer:
vcoubard
Date:
Thu Apr 07 17:37:56 2016 +0100
Revision:
28:041dac1366b2
Parent:
20:a90c48eb1d30
Child:
29:286940b7ee5a
Synchronized with git rev 012b8118

Author: Liyou Zhou

Pull in files from sdk 10.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vcoubard 28:041dac1366b2 1 /* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
vcoubard 28:041dac1366b2 2 *
vcoubard 28:041dac1366b2 3 * The information contained herein is property of Nordic Semiconductor ASA.
vcoubard 28:041dac1366b2 4 * Terms and conditions of usage are described in detail in NORDIC
vcoubard 28:041dac1366b2 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
vcoubard 28:041dac1366b2 6 *
vcoubard 28:041dac1366b2 7 * Licensees are granted free, non-transferable use of the information. NO
vcoubard 28:041dac1366b2 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
vcoubard 28:041dac1366b2 9 * the file.
vcoubard 28:041dac1366b2 10 *
Vincent Coubard 0:f2542974c862 11 */
Vincent Coubard 0:f2542974c862 12
Vincent Coubard 0:f2542974c862 13 /** @file
Vincent Coubard 0:f2542974c862 14 *
Vincent Coubard 0:f2542974c862 15 * @defgroup crc_compute CRC compute
Vincent Coubard 0:f2542974c862 16 * @{
Vincent Coubard 0:f2542974c862 17 * @ingroup hci_transport
Vincent Coubard 0:f2542974c862 18 *
Vincent Coubard 0:f2542974c862 19 * @brief This module implements the CRC-16 calculation in the blocks.
Vincent Coubard 0:f2542974c862 20 */
Vincent Coubard 0:f2542974c862 21
Vincent Coubard 0:f2542974c862 22 #ifndef CRC16_H__
Vincent Coubard 0:f2542974c862 23 #define CRC16_H__
Vincent Coubard 0:f2542974c862 24
Vincent Coubard 0:f2542974c862 25 #include <stdint.h>
Vincent Coubard 0:f2542974c862 26
Vincent Coubard 0:f2542974c862 27 /**@brief Function for calculating CRC-16 in blocks.
Vincent Coubard 0:f2542974c862 28 *
Vincent Coubard 0:f2542974c862 29 * Feed each consecutive data block into this function, along with the current value of p_crc as
Vincent Coubard 0:f2542974c862 30 * returned by the previous call of this function. The first call of this function should pass NULL
Vincent Coubard 0:f2542974c862 31 * as the initial value of the crc in p_crc.
Vincent Coubard 0:f2542974c862 32 *
Vincent Coubard 0:f2542974c862 33 * @param[in] p_data The input data block for computation.
Vincent Coubard 0:f2542974c862 34 * @param[in] size The size of the input data block in bytes.
Vincent Coubard 0:f2542974c862 35 * @param[in] p_crc The previous calculated CRC-16 value or NULL if first call.
Vincent Coubard 0:f2542974c862 36 *
Vincent Coubard 0:f2542974c862 37 * @return The updated CRC-16 value, based on the input supplied.
Vincent Coubard 0:f2542974c862 38 */
Vincent Coubard 0:f2542974c862 39 uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc);
Vincent Coubard 0:f2542974c862 40
Vincent Coubard 0:f2542974c862 41 #endif // CRC16_H__
Vincent Coubard 0:f2542974c862 42
vcoubard 1:ebc0e0ef0a11 43 /** @} */