Bizan Nishimura / Mbed 2 deprecated MiniSteer2

AndroidのBLEラジコンプロポアプリ「BLEPropo」と接続し、RCサーボとDCモータを制御するプログラムです。 mbed HRM1017で動作を確認しています。 BLEPropo → https://github.com/lipoyang/BLEPropo

Dependencies:   BLE_API mbed

Fork of BLE_RCBController2 by Junichi Katsu

BLEを使ったAndroid用ラジコンプロポアプリ「BLEPropo」に対応するmbed HRM1017用ファームウェアです。
BLEPropoは、GitHubにて公開中。
https://github.com/lipoyang/BLEPropo
/media/uploads/lipoyang/blepropo_ui.png
ラジコンは、mbed HRM1017とRCサーボやDCモータを組み合わせて作ります。
/media/uploads/lipoyang/ble_wiring.png

HRM1017/nordic/app_common/crc16.cpp

Committer:
lipoyang
Date:
2015-03-14
Revision:
7:505a9a98b776
Parent:
4:ebda47d22091

File content as of revision 7:505a9a98b776:

/* 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;
}