mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

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

TARGET_NRF51_DK/TARGET_NORDIC/TARGET_MCU_NRF51822/Lib/nrf-sdk/app_common/crc16.h@91:031413cf7a89, 2014-10-29 (annotated)

Committer:
Kojto
Date:
Wed Oct 29 11:02:04 2014 +0000
Revision:
91:031413cf7a89
Release 91 of the mbed library



Changes:



- RBLAB_NANO - new target addition

- NRF51_DK - new target addition

- NRF51_DONGLE - new target addition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 91:031413cf7a89 1 /* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved.
Kojto 91:031413cf7a89 2 *
Kojto 91:031413cf7a89 3 * The information contained herein is property of Nordic Semiconductor ASA.
Kojto 91:031413cf7a89 4 * Terms and conditions of usage are described in detail in NORDIC
Kojto 91:031413cf7a89 5 * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
Kojto 91:031413cf7a89 6 *
Kojto 91:031413cf7a89 7 * Licensees are granted free, non-transferable use of the information. NO
Kojto 91:031413cf7a89 8 * WARRANTY of ANY KIND is provided. This heading must NOT be removed from
Kojto 91:031413cf7a89 9 * the file.
Kojto 91:031413cf7a89 10 *
Kojto 91:031413cf7a89 11 */
Kojto 91:031413cf7a89 12
Kojto 91:031413cf7a89 13 /** @file
Kojto 91:031413cf7a89 14 *
Kojto 91:031413cf7a89 15 * @defgroup crc_compute CRC compute
Kojto 91:031413cf7a89 16 * @{
Kojto 91:031413cf7a89 17 * @ingroup hci_transport
Kojto 91:031413cf7a89 18 *
Kojto 91:031413cf7a89 19 * @brief This module implements the CRC-16 calculation in the blocks.
Kojto 91:031413cf7a89 20 */
Kojto 91:031413cf7a89 21
Kojto 91:031413cf7a89 22 #ifndef CRC16_H__
Kojto 91:031413cf7a89 23 #define CRC16_H__
Kojto 91:031413cf7a89 24
Kojto 91:031413cf7a89 25 #include <stdint.h>
Kojto 91:031413cf7a89 26
Kojto 91:031413cf7a89 27 #ifdef __cplusplus
Kojto 91:031413cf7a89 28 extern "C" {
Kojto 91:031413cf7a89 29 #endif
Kojto 91:031413cf7a89 30
Kojto 91:031413cf7a89 31 /**@brief Function for calculating CRC-16 in blocks.
Kojto 91:031413cf7a89 32 *
Kojto 91:031413cf7a89 33 * Feed each consecutive data block into this function, along with the current value of p_crc as
Kojto 91:031413cf7a89 34 * returned by the previous call of this function. The first call of this function should pass NULL
Kojto 91:031413cf7a89 35 * as the initial value of the crc in p_crc.
Kojto 91:031413cf7a89 36 *
Kojto 91:031413cf7a89 37 * @param[in] p_data The input data block for computation.
Kojto 91:031413cf7a89 38 * @param[in] size The size of the input data block in bytes.
Kojto 91:031413cf7a89 39 * @param[in] p_crc The previous calculated CRC-16 value or NULL if first call.
Kojto 91:031413cf7a89 40 *
Kojto 91:031413cf7a89 41 * @return The updated CRC-16 value, based on the input supplied.
Kojto 91:031413cf7a89 42 */
Kojto 91:031413cf7a89 43 uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc);
Kojto 91:031413cf7a89 44
Kojto 91:031413cf7a89 45 #ifdef __cplusplus
Kojto 91:031413cf7a89 46 }
Kojto 91:031413cf7a89 47 #endif
Kojto 91:031413cf7a89 48
Kojto 91:031413cf7a89 49
Kojto 91:031413cf7a89 50 #endif // CRC16_H__
Kojto 91:031413cf7a89 51
Kojto 91:031413cf7a89 52 /** @} */