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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Bluetooth Low Energyをはじめよう
その他の
GAP
定義
すべての役割、モード、そして手順の他にも、GAPにはアプリケーション開 発者なら知っ
ておきたい 2つの追加的な項目が導入されている。
アド バ タイズ データのフォーマット
これまで 、アドバタイズ（ および スキャン 応 答 ）パケットによって 伝 達 できるユーザーデー
タについて説明してきたが、このデータが収納されるべきフォーマットについては触れてこ
なかった。汎用的なコンテナはGAP のコア規格に定義されており、これは単純に長さ（1
バ イト ）、 AD Type（ アド バ タイズ デ ー タ 種 別 、1バイト）、そして実際のデータ（可変長）から
なるデータ構造体のシーケンスで構成されている。各構造体には、ユーザーデータの個別
のアイテムが含まれる。
許 容される AD Typeの 完 全 な リ スト は 、Bluetooth SIGの「規格に採用された文書」のペー
ジ（ https://www.bluetooth.org/ja-jp/specification/adopted-specifications）の
コア仕様補完（CSS、現時点でバージョン4）か ら 取 得 で き る 。 表 3-3は 、通 常 の ア プ リ ケ ー
ション 開 発 でよく使 わ れ る AD Typeを説明したものだ。このリストは完 全なものではないが、
より詳しい情報が必要であればAD Typeについて調べてみて
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.