example micro:bit pedometer
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Diff: TARGET_NRF51_MICROBIT/TARGET_NORDIC/TARGET_MCU_NRF51822/Lib/nordic_sdk/components/libraries/crc16/crc16.h
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diff -r 000000000000 -r e1a608bb55e8 TARGET_NRF51_MICROBIT/TARGET_NORDIC/TARGET_MCU_NRF51822/Lib/nordic_sdk/components/libraries/crc16/crc16.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NRF51_MICROBIT/TARGET_NORDIC/TARGET_MCU_NRF51822/Lib/nordic_sdk/components/libraries/crc16/crc16.h Thu Apr 07 18:33:58 2016 +0100 @@ -0,0 +1,51 @@ +/* Copyright (c) 2013 Nordic Semiconductor. All Rights Reserved. + * + * The information contained herein is property of Nordic Semiconductor ASA. + * Terms and conditions of usage are described in detail in NORDIC + * SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. + * + * Licensees are granted free, non-transferable use of the information. NO + * WARRANTY of ANY KIND is provided. This heading must NOT be removed from + * the file. + * + */ + +/** @file + * + * @defgroup crc_compute CRC compute + * @{ + * @ingroup hci_transport + * + * @brief This module implements the CRC-16 calculation in the blocks. + */ + +#ifndef CRC16_H__ +#define CRC16_H__ + +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/**@brief Function for calculating CRC-16 in blocks. + * + * Feed each consecutive data block into this function, along with the current value of p_crc as + * returned by the previous call of this function. The first call of this function should pass NULL + * as the initial value of the crc in p_crc. + * + * @param[in] p_data The input data block for computation. + * @param[in] size The size of the input data block in bytes. + * @param[in] p_crc The previous calculated CRC-16 value or NULL if first call. + * + * @return The updated CRC-16 value, based on the input supplied. + */ +uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc); + +#ifdef __cplusplus +} +#endif + +#endif // CRC16_H__ + +/** @} */