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问题描述
谁能帮我定义一下 GATT 和 ATT 之间的区别是什么?我没能理解.
我知道它们都是处理 BLE 服务的通用协议.但并没有真正理解它.请解释.
谢谢！
Can anyone please define for me what are the differences between GATT and ATT? I didn't manage to understand.
I know that they are both generic protocol to handle BLE services. but didn't really understand it. Please explain.
Thanks!
推荐答案
ATT 是一种低得多的机制，它基本上定义了如何传输一个数据单元(一个属性).GATT 建立在 ATT 之上，定义了更高级别服务的组成方式以及在这些服务上运行的框架.
ATT is a much lower level mechanism that basically defines how to transfer a unit of data (an attribute). GATT is built on top of ATT and defines how higher level services are composed and the framework for operating on those services.
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