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  • 學位論文

基於Android平台並支援高畫質內容雙輸出顯示之行動裝置:研究與實作

A Study and Implementation of Mobile Device Supporting Dual Display (HDMI) on Android Platform

指導教授 : 方志鵬
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摘要


本論文是在Android平台研究開發嵌入式行動裝置,目標是實作雙顯示輸出並可支援HDMI數位輸出。硬體方面採用Qualcomm公司的QSD 8系列晶片並搭配ADI公司的HDMI晶片,設計在自製的開發實驗板上。軟體方面是以Android open source code (linux-2.6.27核心) 為主,實做LCD驅動程式以及HDMI驅動程式,達成雙顯示輸出功能,並且得以輸出HDMI數位訊號。讓可攜式行動裝置也能具備有大畫面及數位訊號高畫質延伸輸出的顯示能力,而不再是只能從小螢幕顯示器上觀賞操作的設備。

並列摘要


This thesis is a study and implementation of mobile device on Android platform. To implement the function supports dual display which is a digital HDMI signal to an external output. We used Qualcomm’s QSD 8K series of chip and ADI’s HDMI IC to design the system on our own evaluation board, in which the software is based on Android open source code (linux-2.6.27 core). The implementation which we did supports the High Definition Multimedia Interface (HDMI) output. It made portable device not only support external output for better resolution but also support digital output for better definition.

並列關鍵字

Android HDMI Dual display Frame buffer Video memory

參考文獻


[4] “QSD8250/QSD8650 Snapdragon™ User Guide Rev. A”, QUALCOMM Incorporated, December 2007.
[18] Android documentation, “http://source.android.com/documentation”
[20] Google I/O Session Videos and Slides, “http://sites.google.com/site/io/google-io-sessions”
[1] Daniel P. Bovet, Marco Cesati, “Understanding the Linux Kernel, Third Edition”, O’Reilly, November 2005.
[2] Jonathan Corbet, Alessandro Rubini, and Greg Kroah-Hartman, “Linux Device Drivers, Third Edition”, O’Reilly, February 2005.

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