February 2015
Intermediate to advanced
200 pages
4h 48m
Japanese
Content preview from Bluetooth Low Energyをはじめよう
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095
PCA10000 USB
ドングルと
Wireshark
BLEペリフェラルとのインタラクションがとても 簡 単 にできる Master Control Panel（091
ペ ー ジ の「 PCA10000 USBドングルと Master Control Panel」）だが 、ユースケースに
よってはもっと低いレベルでBLEデータへ の アクセスが 必 要となる場 合もある。このよう
な場 合のために、Nordicでは PCA10000または PCA10001（ 両 方 とも nRF51822-EK
開 発キットに 含まれる）用 のカスタムファームウェアイメージとツールも提 供している。これ
を使えば、1 台 の ペ リフ ェ ラ ル デ バ イ ス か ら のト ラ フ ィック を スニッフ（sniff）し 、そ の デ ー タ
をWireshark（https://www.wireshark.org/）へプッシュすることが できるの だ 。
Wiresharkはデータキャプチャと解 析を行う成 熟した強 力なオープンソースのツールで、
簡単にデータをパケットやバイトのレベルまで可視化できる。Nordicの Wiresharkプラ
グ イ ン（ 図 6-3に 示 す ）は 、 Nordicの サ ポ ー ト サ イ ト（ http://www.nordicsemi.com/）
でnRF51822-EK 開発キットを登録すれば入手でき、nRF51822-EKボ ード を 使 っ て キ
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.