一文读懂低功耗蓝牙BLE4.2 数据包
BLE = BTLE = Bluetooth Low Energy (低功耗蓝牙）1. 怎样抓取（侦听）BLE4.2 空中数据包 (全频道抓取：37,38,39 同时)
* 硬件:
1) 一台BLE4.2 设备 (如: Nordic 52832, NXP QN9080, Telink 8266, EM9304, ...);
2) 一台智能手机（平板）：如 Pixel 2 或者 iPhone7 (或者更高版本);
3) 一台纬图Hollong BLE4.2 侦听仪
* 软件: Hollong BLE4.2 侦听仪软件
下载地址:
纬图Hollong BLE4.2 侦听仪软件
2. 广播包（Advertising ）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/0020268iftt8fvi5y358vi.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001901dkg0uugdrccl2skq.png
3.扫描请求（SCAN REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/0036231ph1pls1jvnlefe5.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/003612rcmgtmk111ootmyk.png
4.扫描响应（SCAN RESPONSE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/003626x03z0yvzt0r0tvj3.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/00361636vtzvfiofafpzch.png
5.连接请求（CONNECTION REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/003620rraqwana4uwnuprj.png
http://www.viewtool.com/forum/data/attachment/forum/201712/21/003604gy76igzxyg0g8ti5.png
http://www.viewtool.com/forum/data/attachment/forum/201712/21/003608j1mv0pymfyavy3gm.png
6.版本号指示（VERSION INDICATE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/002031xq1sxmrp31igqxq9.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001911a8bdqb8rn00qrga9.png
7. 功能请求（FEATURE REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/0052306kmmlsj8ls6js67v.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001916gn6dkg409tgk8ccp.png
8. 功能响应（FEATURE RESPONSE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/005232297nyy3xnlzlhii7.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001921z52fitptvpf53ppp.png
9. 长度请求及响应（LL_LENGTH_REQ and LL_LENGTH_RSP）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/005628bzpp144m1twx414w.jpg
请求:
http://www.viewtool.com/forum/data/attachment/forum/201712/21/010044r1mklm133u7g1z3m.png
响应：
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001938clnuwnnoo3um5w4z.png
10. 最大传输单位请求（MTU REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/010547wyy3wtnw39ywnzn0.png
http://www.viewtool.com/forum/data/attachment/forum/201712/21/0019429q3yinjnoj6ix89u.png
11. 最大传输单位响应（MTU RESPONSE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/0105490y00mw3xc03ettex.png
http://www.viewtool.com/forum/data/attachment/forum/201712/21/01055288qq7r3jch3rgqzc.png
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001947nrfjaurrkc8crpa8.png
12. 读取组类型请求（READ BY GROUP TYPE REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/011828jszw48c899w42fsa.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001957u6nyutt86nln8wbh.png
13. 读取组类型响应（READ BY GROUP TYPE RESPONSE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/01182676dma9mgg96779jx.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/002002arotz4z53olowk85.png
14. 类型读取请求（READ BY TYPE REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/011831k9v957gj4kytkcj9.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/002006vclq34nnvpqp4cvv.png
15. 类型读取响应（READ BY TYPE RESPONSE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/0118356fojdc2c0cffhihh.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/002013o42fjpovfd9fd9cf.png
16. 寻找信息请求（FIND INFORMATION REQUEST）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/012525iccac1zlf2ar1frn.jpg
http://www.viewtool.com/forum/data/attachment/forum/201712/21/001927itbiru2kkxzkuiff.png
17. 寻找信息响应（FIND INFORMATION RESPONSE）
http://www.viewtool.com/forum/data/attachment/forum/201712/21/012527s9g8vw8wweg90sgo.jpg
因帖子长度限制，此处为节选，更多内容请访问纬图官方论坛www.viewtool.com
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