蓝牙RFCOMM协议的研究与实现-通信与信息系统专业论文.docxVIP

摘要蓝牙已经成为数字设备之、短距离无线互联的一种全球统一的技术标准，其 摘要 蓝牙已经成为数字设备之、短距离无线互联的一种全球统一的技术标准，其 阿的就是要取代计算机与外设及其他电子设备之问的电缆，实现语音和数据的传 输。利用蓝牙技术，具有蓝牙功能的各种数字设备还可以方便的构成监牙微微网 fPicnet)和蓝牙散射髓](Scatternet)，形成个人身边的无线区域型网络。 一个监牙系统在整体上可以分为底层硬件系统和上层软件系统。蓝牙软件协 议栈是整个蓝牙结构体系中的重要核心部分，是实现蓝牙各种功能的关键冈素。 本论文主要描述了蓝牙协议栈中串广|仿真(RFCOMM)协议层的研制和开发，并 实现计算机上基于RFCOMM的数据传输。 首先本文介绍了蓝牙技术的基本概念和技术特点，叙述RFCOMM协议在蓝 牙体系的整体框架结构中的位置和作用。然后分别详细阐述了监牙RFCOMM层 协议的内容和具体实现过程，还说明了本层协议和其他协议的相互调用。最后， 将奉层协议和小组其他成员研发的协议层合成一个完整的蓝牙协议栈，在 Windows XP平台下丌发出了相应的应用软件。实现了蓝牙曲、议栈的基本功能， 为进一步开发嵌入式蓝牙系统打好了基础。 关键词：蓝牙串口仿真协议逻辑链路控制与适配协议服务发现协议 AbstractBluetooth Abstract Bluetooth technology has become a global technology standard of short range communication between digital equipments，which is intended to transmit voice and data without having to cable computer and other sorts of electronic equipment．By Bluetooth technology,digital equipments with Bluctooth function could construct a Bluetooth Picnet or Scatter net，and form a Personal Area Network． A Bluetooth system may be divided to two parts：low hardware layer and hi曲 software layer．Bluetooth software protocol stack is an important part of the structure． It also is the key of all kinds of Bluetooth function．This paper describes the research of RFCOMM protocol layer and realizes the data transmission of RFCOMM on computer． In this thesis，firstly,the basic concepts and technical features of Bluetooth are introduced．The position and function of RFCOMM protocol in Bluetooth system’S framework structure have been described．Then，the detailed content and implementation process are expatiated respectively．The relation between RFCOMM layer and other protocol is also explained．Finally,RFCOMM protocol and other layer protocol developed by other members of the group are integrated to a complete Bluetooth protocol stack，provides an application based on Windows XP platform． Realization of the basic functions of the Bluetooth protocol stack will lay the foundation for the further development of embedded Bluetooth system． Key