本文關(guān)鍵詞： 安卓操作系統(tǒng) 低功耗藍(lán)牙 藍(lán)牙移植 應(yīng)用層服務(wù) 信號(hào)強(qiáng)度 測(cè)距　出處：《華中科技大學(xué)》2016年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：安卓(Android)移動(dòng)操作系統(tǒng)基于Linux內(nèi)核,具有自由開(kāi)放的源碼、兼容豐富硬件和易于開(kāi)發(fā)等特點(diǎn);隨著Google的大力推廣,安卓已占領(lǐng)智能可穿戴設(shè)備和車(chē)載移動(dòng)設(shè)備等市場(chǎng)。近年來(lái),三網(wǎng)融合和物聯(lián)網(wǎng)迅速發(fā)展,移動(dòng)智能終端和各種可穿戴設(shè)備越來(lái)越多地使用無(wú)線(xiàn)協(xié)議來(lái)通訊,其中低功耗藍(lán)牙(Bluetooth Low Energy,BLE)正占據(jù)越來(lái)越大的市場(chǎng),未來(lái)潛力巨大,基于安卓的BLE研究與應(yīng)用已成為熱點(diǎn)。武漢精倫電子公司開(kāi)發(fā)的廣告機(jī)基于rk3288芯片,采用AP6335藍(lán)牙芯片,基于安卓5.0操作系統(tǒng),通過(guò)發(fā)射低功耗藍(lán)牙廣播實(shí)現(xiàn)廣告功能�；诎沧康姆謱咏Y(jié)構(gòu),在各層對(duì)BLE進(jìn)行移植,并開(kāi)發(fā)BLE應(yīng)用服務(wù)BLEService。對(duì)BLE的移植工作包括:在內(nèi)核層針對(duì)AP6335藍(lán)牙芯片配置dts和config,比如對(duì)芯片管腳的配置;在其他層使能安卓發(fā)射BLE的功能。應(yīng)用層服務(wù)BLEService通過(guò)封裝Android BLE API,實(shí)現(xiàn)發(fā)射和接收BLE藍(lán)牙廣播的功能。為此,BLEService分為發(fā)射模塊和掃描模塊。發(fā)射模塊主要提供廣播設(shè)置接口方便用戶(hù)設(shè)置自己的廣播內(nèi)容。掃描模塊以軟件堆層的形式分成接口層、管理層、服務(wù)層和功能層,其中功能層包括測(cè)距模塊和掃描封裝模塊2個(gè)功能,其中管理層和服務(wù)層利用Messenger通信,管理層暴露的接口從而提高應(yīng)用程序員開(kāi)發(fā)BLE應(yīng)用程序的效率。在應(yīng)用程序?qū)訉?duì)BLEService服務(wù)的發(fā)射模塊進(jìn)行功能測(cè)試,對(duì)掃描模塊進(jìn)行性能測(cè)試。發(fā)射模塊的功能測(cè)試:發(fā)射式廣播對(duì)廠(chǎng)商信息的定制,交互式廣播的通信;掃描模塊的性能測(cè)試:測(cè)試接收BLE藍(lán)牙信號(hào)的能力和對(duì)BLE信號(hào)距離的計(jì)算。
[Abstract]:The Android mobile operating system is based on the Linux kernel, has the characteristics of free and open source, compatible with rich hardware and easy to develop. With the promotion of Google, Android has occupied the market of smart wearable devices and vehicle-mounted mobile devices. In recent years, the convergence of three networks and the Internet of things have developed rapidly. Mobile smart terminals and various wearable devices increasingly use wireless protocols to communicate, including low-power Bluetooth Low Energy. BLE based on Android has become a hot spot. The advertising machine developed by Wuhan Jinglun Electronics Company is based on rk3288 chip. Using AP6335 Bluetooth chip, based on Android 5.0 operating system, the advertising function is realized by transmitting low power Bluetooth broadcast. Based on the layered structure of Android, the BLE is transplanted in each layer. The porting work of BLE includes: configuring dts and config for AP6335 Bluetooth chip in kernel layer. Such as the chip pin configuration; Enable Android to deliver BLE functionality on other layers. Application layer service BLEService encapsulates Android BLE API. Realize the function of transmitting and receiving BLE Bluetooth broadcast. BLEService is divided into transmitting module and scanning module. Transmitting module mainly provides broadcast setting interface to facilitate users to set their broadcast content. Scanning module is divided into interface layer in the form of software stack layer. Management layer, service layer and function layer, wherein the function layer includes two functions: ranging module and scanning encapsulation module, in which the management layer and service layer use Messenger to communicate. Management exposes interfaces that improve the efficiency of application programmers in developing BLE applications. Functional testing of BLEService service emitters at the application level. Testing the performance of the scanning module. The function test of the emitter module: the customization of the manufacturer's information by the emitter broadcast, the communication of the interactive broadcast; Scan module performance test: test the ability to receive BLE Bluetooth signal and calculate the distance of BLE signal.
【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：TP316;TN925

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