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3.9.12 气体传感器接口................................................................................................55
3.9.13 人体感应器接口................................................................................................55
3.4 本章小结......................................................................................................................... 56
第 4 章 BLE 协议栈入门.......................................................................................................... 56
4.1 BLE 协议栈.....................................................................................................................56
4.1.1 什么是 BLE 协议栈.......................................................................................... 57
4.1.2 如何使用 BLE 协议栈...................................................................................... 57
4.1.3 BLE 协议栈的安装、编译与下载..................................................................... 57
4.2 BLE 协议栈基础实验：数据传输实验........................................................................ 63
4.2.1 SimpleBLECentral 主机编程.............................................................................. 63
4.2.2 SimpleBLEPeripheral 从机编程...................................................................... 69
4.2.3 Central 和 Peripheral 从机通信测试........................................................74
4.2.4 iPhone LightBlue 与开发板之间的通信实验.................................................. 80
4.2.5 PC 与开发板之间的通过 Btool 的通信实验.................................................. 84
4.3 BLE 数据传输实验剖析................................................................................................ 89
4.3.1 数据发送.............................................................................................................. 90
4.3.2 数据接收.............................................................................................................. 91
4.3.3 从机接收主机发来的数据..................................................................................91
4.4 BLE 数据包的捕获........................................................................................................ 91
4.4.1 如何构建 BLE 协议分析仪.............................................................................. 91
4.4.2 BLE 数据包的结构............................................................................................. 94
4.4.3 数据收发实验回顾..............................................................................................98
4.5 本章小结......................................................................................................................... 99
第 5 章 BLE 协议栈开发提高.................................................................................................. 99
5.1 深入理解 BLE 协议栈的构成..................................................................................... 99
5.1.1 BLE 协议层....................................................................................................... 100
5.1.2 拓扑结构和设备状态........................................................................................101
5.1.3 BLE 状态以及连接过程................................................................................... 101
5.1.4 BLE 和快递服务类比....................................................................................... 101
5.1.5 BLE 广播事件................................................................................................... 102
5.1.6 BLE 广播间隔................................................................................................... 102
5.1.7 BLE 扫描事件................................................................................................... 102
5.1.8 BLE 发起连接................................................................................................... 103
5.1.9 BLE 连接参数................................................................................................... 103
5.1.10 BLE 连接事件................................................................................................. 103
5.1.11 Slave 的潜伏.................................................................................................... 104
5.1.12 连接参数的设定..............................................................................................104
5.1.13 终止连接..........................................................................................................105
5.1.14 ATT 的 Client/Server 架构............................................................................ 105
5.1.15 ATT 的 AttributeTable Example（属性表示例）......................................... 105
5.1.16 GATT 的 Client/Server 架构......................................................................... 106
5.1.17 GATT 的 Profile 层次结构............................................................................106
5.1.18 GATT Service Example.................................................................................... 107
5.1.19 GATT 的 Characteristic Declaration...............................................................108
5.1.20 GATT 的 Characteristic Configuration...........................................................109
5.1.21 GATT 的 Client Commands............................................................................109
5.2 TI-BLE 协议栈简介......................................................................................................110
5.2.1 协议栈 demo 分类........................................................................................... 110
5.2.2 协议栈 demo 工程目录结构........................................................................... 111
5.2.3 BLE 协议栈执行流程....................................................................................... 113
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