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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NRF51822/TOOLCHAIN_GCC_ARM/crc16.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 104:b9ad9a133dc7 1 /* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
Kojto 104:b9ad9a133dc7 2 *
Kojto 104:b9ad9a133dc7 3 * The information contained herein is property of Nordic Semiconductor ASA.
Kojto 104:b9ad9a133dc7 4 * Terms and conditions of usage are described in detail in NORDIC
Kojto 104:b9ad9a133dc7 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
Kojto 104:b9ad9a133dc7 6 *
Kojto 104:b9ad9a133dc7 7 * Licensees are granted free, non-transferable use of the information. NO
Kojto 104:b9ad9a133dc7 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
Kojto 104:b9ad9a133dc7 9 * the file.
Kojto 104:b9ad9a133dc7 10 *
Kojto 104:b9ad9a133dc7 11 */
Kojto 104:b9ad9a133dc7 12
Kojto 104:b9ad9a133dc7 13 /** @file
Kojto 104:b9ad9a133dc7 14 *
Kojto 104:b9ad9a133dc7 15 * @defgroup crc_compute CRC compute
Kojto 104:b9ad9a133dc7 16 * @{
Kojto 104:b9ad9a133dc7 17 * @ingroup hci_transport
Kojto 104:b9ad9a133dc7 18 *
Kojto 104:b9ad9a133dc7 19 * @brief This module implements the CRC-16 calculation in the blocks.
Kojto 104:b9ad9a133dc7 20 */
Kojto 104:b9ad9a133dc7 21
Kojto 104:b9ad9a133dc7 22 #ifndef CRC16_H__
Kojto 104:b9ad9a133dc7 23 #define CRC16_H__
Kojto 104:b9ad9a133dc7 24
Kojto 104:b9ad9a133dc7 25 #include <stdint.h>
Kojto 104:b9ad9a133dc7 26
Kojto 104:b9ad9a133dc7 27 #ifdef __cplusplus
Kojto 104:b9ad9a133dc7 28 extern "C" {
Kojto 104:b9ad9a133dc7 29 #endif
Kojto 104:b9ad9a133dc7 30
Kojto 104:b9ad9a133dc7 31 /**@brief Function for calculating CRC-16 in blocks.
Kojto 104:b9ad9a133dc7 32 *
Kojto 104:b9ad9a133dc7 33 * Feed each consecutive data block into this function, along with the current value of p_crc as
Kojto 104:b9ad9a133dc7 34 * returned by the previous call of this function. The first call of this function should pass NULL
Kojto 104:b9ad9a133dc7 35 * as the initial value of the crc in p_crc.
Kojto 104:b9ad9a133dc7 36 *
Kojto 104:b9ad9a133dc7 37 * @param[in] p_data The input data block for computation.
Kojto 104:b9ad9a133dc7 38 * @param[in] size The size of the input data block in bytes.
Kojto 104:b9ad9a133dc7 39 * @param[in] p_crc The previous calculated CRC-16 value or NULL if first call.
Kojto 104:b9ad9a133dc7 40 *
Kojto 104:b9ad9a133dc7 41 * @return The updated CRC-16 value, based on the input supplied.
Kojto 104:b9ad9a133dc7 42 */
Kojto 104:b9ad9a133dc7 43 uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc);
Kojto 104:b9ad9a133dc7 44
Kojto 104:b9ad9a133dc7 45 #ifdef __cplusplus
Kojto 104:b9ad9a133dc7 46 }
Kojto 104:b9ad9a133dc7 47 #endif
Kojto 104:b9ad9a133dc7 48
Kojto 104:b9ad9a133dc7 49 #endif // CRC16_H__
Kojto 104:b9ad9a133dc7 50
Kojto 104:b9ad9a133dc7 51 /** @} */