To get started with Seeed Tiny BLE, include detecting motion, button and battery level.
Dependencies: BLE_API eMPL_MPU6050 mbed nRF51822
Diff: nRF51822/nordic-sdk/components/libraries/crc16/crc16.c
- Revision:
- 3:24e365bd1b97
- Parent:
- 2:b61ddbb8528e
--- a/nRF51822/nordic-sdk/components/libraries/crc16/crc16.c Thu Nov 05 02:46:37 2015 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,31 +0,0 @@ -/* 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. - * - */ - -#include "crc16.h" -#include <stdio.h> - -uint16_t crc16_compute(const uint8_t * p_data, uint32_t size, const uint16_t * p_crc) -{ - uint32_t i; - uint16_t crc = (p_crc == NULL) ? 0xffff : *p_crc; - - for (i = 0; i < size; i++) - { - crc = (unsigned char)(crc >> 8) | (crc << 8); - crc ^= p_data[i]; - crc ^= (unsigned char)(crc & 0xff) >> 4; - crc ^= (crc << 8) << 4; - crc ^= ((crc & 0xff) << 4) << 1; - } - - return crc; -} \ No newline at end of file