《无线蓝牙耳机》-毕业论文.doc

w w 摘 要 所谓蓝牙技术，实际上是一种短距离 HYPERLINK /view/19599.htm \t _blank 无线电技术，利用“蓝牙”技术，能够有效地简化掌上 HYPERLINK /view/2358.htm \t _blank 电脑、 HYPERLINK /view/7690.htm \t _blank 笔记本电脑和 HYPERLINK /view/49217.htm \t _blank 移动电话手机等移动通信终端设备之间的通信，也能够成功地简化以上这些设备与 HYPERLINK /view/1706.htm \t _blank 因特网Internet之间的通信。 本文选择蓝牙技术为研究对象。首先对蓝牙通信技术协议规范进行了深入地研究，并着重论述了规范的各个协议层，包括基带层、射频、链路管理层、逻辑链路控制与适配层、服务发现协议以及串口仿真协议。其次，根据蓝牙耳机的开发特点，介绍了本课题采用的蓝牙单芯片软件开发平台Bluelab和硬件开发平台。在此基础之上，分析蓝牙技术在移动电话中的应用，根据蓝牙Headset的原理，实现了Headset和语音网关之间从协议栈底层到上层蓝牙链路的建链过程（ACL、L2CAP、RFCOMM链路），并设计出Headset高层应用的系统流程，最终实现软件编程和调试。同时，基于英国CSR公司（Cambridge Silicon Radio）的蓝牙芯片Bluecore2-External，完成了蓝牙耳机的硬件系统设计，并给出具体解决的方案。 综上所述，本文阐述了蓝牙技术的一个应用模型——无线蓝牙耳机，并在此基础上，较全面地论述了蓝牙通信技术的协议规范及其应用开发的方法及步骤，掌握了蓝牙无线接入技术，为将来进一步深入研究蓝牙技术、开发蓝牙产品奠定了坚实的基础。 关键词 蓝牙；协议规范；硬件开发平台；Bluecore2-External；蓝牙耳机 Abstract The so-called Bluetooth technology, is actually a short-range radio technology, the use of Bluetooth technology, which can effectively simplify the palm-sized PCs, notebook computers and mobile phones and other mobile phones for communication between terminal equipment, but also to simplify the success of the above equipment and Internet communications between the Internet. The thesis stressed on Bluetooth technology for the research object. First of all, I deeply researched the protocol specification of Bluetooth technology, including RF, BB, LMP, L2CAP, and RFCOMM. Then, according to the characteristic of Bluetooth Headset, I presented embedded Bluetooth software development platform (Bluelab) and hardware development platform. Based on the application of Bluetooth technology in the mobile telephone, I analyzed the principle of Bluetooth Headset, including the establishment of link from bottom stack up to higher layers (ACL, L2CAP, RFCOMM ) and application movement, and worked out the process of system and application software realization. In addition, I designed hardware model of Bluetooth Wireless Headset and solution using CSR’s Bluecore2-External module and