Linux bluetooth编程的相关内容

linux下bluetooth编程（八）SDP层编程

BlueZ提供的SDP API，常见的如下： 1. sdp_session_t *sdp_create(int sk, uint32_t flags) 参数1：sk: socket 参数2：SDP flags. 取值如下： #define SDP_RETRY_IF_BUSY...

linux下bluetooth编程（七）SDP协议

Service Discovery Protocol(SDP)提供一种能力，让应用程序有方法发现哪种服务可用以及这种服务的特性。服务发现协议(SDP或Bluetooth SDP)在蓝牙协议栈中对蓝牙环境中的应用程序有特殊的含意，发现哪个服务是可用的和确定这些可用服务的特征。SDP定义...

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linux下bluetooth编程（六）L2CAP层编程实例

例一：发送Signaling Packet： Signaling Command是2个Bluetooth实体之间的L2CAP层命令传输。所以得Signaling Command使用CID 0x0001. 多个Command可以在一个C-frame（control frame）中发送。 ...

linux下bluetooth编程（四）L2CAP层编程

一：L2CAP协议简介： Logical Link Control and Adaptation Protocol(L2CAP) 逻辑连接控制和适配协议(L2CAP) 为上层协议提供面向连接和无连接的数据服务，并提供多协议功能和分割重组操作。L2CAP充许上层协议和应用软...

linux下bluetooth编程（三）HCI层编程

1. HCI层协议概述： HCI提供一套统一的方法来访问Bluetooth底层。如图所示：从图上可以看出，Host Controller Interface(HCI) 就是用来沟通Host和Module。Host通常就是PC， Mod...

linux下bluetooth编程（二）blueZ协议栈

Linux下开放的蓝牙协议栈主要包括IBM公司的BlueDrekar，Nokia公司的Affix, Axis公司的OpenBT和官方协议栈BlueZ。我们主要对Bluez进行探讨。 BlueZ基础代码均是由Maxim Krasnyansky完成的。包括：HCI，L2CAP，RFCOMM...

linux下bluetooth编程（一）基础概念

一：Bluetooth基本概念： Bluetooth是爱立信、诺基亚、东芝、IBM和Intel 5家公司在1998年联合推出的一项无线网络技术。其宗旨是提供一种短距离、低成本的无线传输应用技术。在行业协会筹备阶段,需要一个极具有表现力的名字来命名这项高新技术。行业组织人员...

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