本文選題：平板電腦　切入點(diǎn)：Android　出處：《南昌航空大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

【摘要】：目前，隨著集成芯片的快速發(fā)展，使得平板電腦作為一個(gè)新生產(chǎn)品出現(xiàn)，具有照相、聽音樂、看電影、GPS導(dǎo)航、上網(wǎng)、打電話等各種功能，最大的特點(diǎn)是它的體積很小，非常方便攜帶，因此越來越受到人們的喜愛。 平板電腦操作系統(tǒng)有Android、蘋果、Win7等操作系統(tǒng)，Android作為唯一開源的操作系統(tǒng)受到大量企業(yè)的追捧，平板電腦的開發(fā)主要包過3個(gè)過程：硬件、驅(qū)動(dòng)、應(yīng)用程序。本文主要對(duì)硬件和驅(qū)動(dòng)進(jìn)行分析，對(duì)平板電腦的各種用途和產(chǎn)生的原理做專門的介紹。硬件平臺(tái)核心處理器采用的飛思卡爾公司的IMX535,并與FLASH、SDRAM、電源以及各種外部設(shè)備一起組成平板電腦的完整系統(tǒng)。本文對(duì)各個(gè)設(shè)備的驅(qū)動(dòng)電路設(shè)計(jì)和程序設(shè)計(jì)及其調(diào)試進(jìn)行了深入的分析，并且對(duì)整個(gè)平板電腦整體架構(gòu)，從開機(jī)啟動(dòng)到如何執(zhí)行到各個(gè)模塊功能，系統(tǒng)如何進(jìn)行更新和還原進(jìn)行分析，電源系統(tǒng)采用MC34708芯片，這是專門為IMX51系列處理器定制的電源管理芯片。 平板電腦用途很廣泛，既可以做為消費(fèi)電子，還可以用于車載、醫(yī)療等專門用途，設(shè)備驅(qū)動(dòng)作為平板電腦開發(fā)最關(guān)鍵的地方，決定了設(shè)備能否使用，給上層應(yīng)用提供各種接口。本文將重點(diǎn)講解的內(nèi)容如下：3G語(yǔ)音通信，包含了3G模塊的開啟以及音頻各個(gè)通道的相互切換；雙攝像頭功能，，攝像頭的切換以及攝像頭各種模式的實(shí)現(xiàn)；存儲(chǔ)器INAND與NAND的區(qū)別，以及分區(qū)方式；GPS；按鍵功能；開機(jī)圖片和動(dòng)畫；更新功能Recovery模式，介紹更新全部過程；LCD、TV-OUT和HDMI各種顯示之間的切換；藍(lán)牙wifi模塊的調(diào)試已經(jīng)藍(lán)牙鍵盤功能的實(shí)現(xiàn)；多點(diǎn)帶按鍵觸摸屏調(diào)試與實(shí)現(xiàn)過程。
[Abstract]:At present, with the rapid development of integrated chips, tablet computers have emerged as a new product with many functions, such as photography, listening to music, watching movies and GPS navigation, surfing the Internet, making phone calls, etc. The biggest feature is that it is very small in size. Very easy to carry, so more and more people like it. Android, the only open source operating system for tablet computers, has been popular with a large number of companies. The development of tablets has gone through three main processes: hardware, drivers, and so on. This article focuses on the analysis of hardware and drivers, The hardware platform core processor used in Freescale's IMX535, together with flash SDRAM, power supply and various external devices, constitute the complete system of tablet computer. In this paper, the driving circuit design and program design of each device and its debugging are deeply analyzed. And the whole structure of the tablet computer, from startup to how to execute to each module function, the system how to update and restore analysis, power system using MC34708 chip, This is a power management chip tailored for IMX51 series processors. Tablets are widely used as consumer electronics, as well as for vehicular, medical and other specialuses. Device drivers, as the most critical part of tablet development, determine whether the device can be used. The main contents of this paper are as follows: 3G voice communication, including the opening of 3G module and the switching of audio channels. The switch of camera and the realization of various modes of camera; the difference between memory INAND and NAND, and the partition mode of GPS; keystroke function; boot picture and animation; update function Recovery mode, This paper introduces the switching between the display of LCD-TV-OUT and HDMI, the debugging of Bluetooth wifi module and the realization of Bluetooth keyboard function, and the debugging and realization of touch screen with multi-point button.
【學(xué)位授予單位】：南昌航空大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TP368.3

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