vo dung / Mbed 2 deprecated ibeacon

project for nrf51822 qfab

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Fork of eddystone_URL by vo dung

nRF51822/nordic/nrf-sdk/app_common/crc16.h@0:76dfa9657d9d, 2014-11-12 (annotated)

Committer:
jksoft
Date:
Wed Nov 12 02:40:34 2014 +0000
Revision:
0:76dfa9657d9d
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Who changed what in which revision?

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jksoft 0:76dfa9657d9d 1 /* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
jksoft 0:76dfa9657d9d 2 *
jksoft 0:76dfa9657d9d 3 * The information contained herein is property of Nordic Semiconductor ASA.
jksoft 0:76dfa9657d9d 4 * Terms and conditions of usage are described in detail in NORDIC
jksoft 0:76dfa9657d9d 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
jksoft 0:76dfa9657d9d 6 *
jksoft 0:76dfa9657d9d 7 * Licensees are granted free, non-transferable use of the information. NO
jksoft 0:76dfa9657d9d 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
jksoft 0:76dfa9657d9d 9 * the file.
jksoft 0:76dfa9657d9d 10 *
jksoft 0:76dfa9657d9d 11 */
jksoft 0:76dfa9657d9d 12
jksoft 0:76dfa9657d9d 13 /** @file
jksoft 0:76dfa9657d9d 14 *
jksoft 0:76dfa9657d9d 15 * @defgroup crc_compute CRC compute
jksoft 0:76dfa9657d9d 16 * @{
jksoft 0:76dfa9657d9d 17 * @ingroup hci_transport
jksoft 0:76dfa9657d9d 18 *
jksoft 0:76dfa9657d9d 19 * @brief This module implements the CRC-16 calculation in the blocks.
jksoft 0:76dfa9657d9d 20 */
jksoft 0:76dfa9657d9d 21
jksoft 0:76dfa9657d9d 22 #ifndef CRC16_H__
jksoft 0:76dfa9657d9d 23 #define CRC16_H__
jksoft 0:76dfa9657d9d 24
jksoft 0:76dfa9657d9d 25 #include <stdint.h>
jksoft 0:76dfa9657d9d 26
jksoft 0:76dfa9657d9d 27 #ifdef __cplusplus
jksoft 0:76dfa9657d9d 28 extern "C" {
jksoft 0:76dfa9657d9d 29 #endif
jksoft 0:76dfa9657d9d 30
jksoft 0:76dfa9657d9d 31 /**@brief Function for calculating CRC-16 in blocks.
jksoft 0:76dfa9657d9d 32 *
jksoft 0:76dfa9657d9d 33 * Feed each consecutive data block into this function, along with the current value of p_crc as
jksoft 0:76dfa9657d9d 34 * returned by the previous call of this function. The first call of this function should pass NULL
jksoft 0:76dfa9657d9d 35 * as the initial value of the crc in p_crc.
jksoft 0:76dfa9657d9d 36 *
jksoft 0:76dfa9657d9d 37 * @param[in] p_data The input data block for computation.
jksoft 0:76dfa9657d9d 38 * @param[in] size The size of the input data block in bytes.
jksoft 0:76dfa9657d9d 39 * @param[in] p_crc The previous calculated CRC-16 value or NULL if first call.
jksoft 0:76dfa9657d9d 40 *
jksoft 0:76dfa9657d9d 41 * @return The updated CRC-16 value, based on the input supplied.
jksoft 0:76dfa9657d9d 42 */
jksoft 0:76dfa9657d9d 43 uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc);
jksoft 0:76dfa9657d9d 44
jksoft 0:76dfa9657d9d 45 #ifdef __cplusplus
jksoft 0:76dfa9657d9d 46 }
jksoft 0:76dfa9657d9d 47 #endif
jksoft 0:76dfa9657d9d 48
jksoft 0:76dfa9657d9d 49
jksoft 0:76dfa9657d9d 50 #endif // CRC16_H__
jksoft 0:76dfa9657d9d 51
jksoft 0:76dfa9657d9d 52 /** @} */