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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096
Bluetooth Low Energyをはじめよう
既存のBLE ペリフェラルと通信するアプリケーションの設計だけに関心があるのなら、
このレ ベ ルまで 詳しい 情 報 が 必 要となることは 少 ないだろう。しかし、独 自 の ペリフェラル
を設計するハードウェア設計者やファームウェア技術者がコードを書いたり特定のレイテ
ンシやスループットの問題をデバッグしたりするためには、これが非常に役立つはずだ。
CC2540 USB
ドングルと
SmartRF
スニファ
Texas Instruments は、CC254xフ ァミリ IC の開発エコシステムの一部として
CC2540EMK-USB（図6-4）を設 計した。これは低コストの CC2540ベースの USBドン
グ ル で 、フ リ ー の SmartRFソ フ ト ウ ェ ア（ 図 6-5）と組み合わせることによって、BLEスニ
ファとして使える。この組み合わせでは、無線経由で発信されるすべてのBLEデ ータを 可
能な限り低いレベルで確認することが可能だ。
図
6
-
4
CC2540EMK-USB
6. デ バッグツール
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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.