generic attribute profile (GATT)
The Generic Attributes (GATT) define a hierarchical data structure that is exposed to connected Bluetooth LE devices.
一.UUID
GATT Services
GATT Attribute Types
GATT Characteristic Descriptors
GATT Characteristic Types
更多UUID分配:https://www.bluetooth.com/specifications/assigned-numbers
二.分析
![](http://img.e-com-net.com/image/info8/e8ba7b6a781e479d9438844775ad33b7.jpg)
![](http://img.e-com-net.com/image/info8/47e37c745ffe4541a601873a544b9219.jpg)
![](http://img.e-com-net.com/image/info8/02a5ba2f88dd4e019b5109fcde7dd440.jpg)
再贴几个例子:
![](http://img.e-com-net.com/image/info8/1d4dde9bb2ba40ceb2e33d0df18d749e.jpg)
![](http://img.e-com-net.com/image/info8/8a631e45467245e0865f8c839b283dc1.jpg)