【摘要】：現(xiàn)有數(shù)碼播放器一般采用DSP或MCU的架構(gòu),結(jié)構(gòu)相對比較復(fù)雜,且不易升級和擴展功能。針對此問題,本文設(shè)計并實現(xiàn)了一種基于S3C6410芯片的嵌入式數(shù)碼播放平臺方案。 該方案采用硬件和嵌入式軟件相結(jié)合的方式,硬件部分由嵌入式處理器核心電路和擴展電路部分組成。嵌入式處理器核心電路由三星公司的ARM11S3C6410芯片、1GB的NAND FLASH存儲器和128MB的DDR存儲器組成。擴展電路包括USB接口、串行接口、網(wǎng)絡(luò)接口、音頻電路、觸摸屏電路和LCD視頻處理電路等部分組成。軟件部分選擇Linux2.6.28作為嵌入式操作系統(tǒng)內(nèi)核,而應(yīng)用程序根據(jù)數(shù)碼播放器的功能選用開源的音視頻播放軟件Mplayer。通過配置、編譯等軟件設(shè)計,解決了Linux操作系統(tǒng)在ARM11S3C6410處理器上的移植問題,在此基礎(chǔ)上,通過移植根文件系統(tǒng),完成了Linux軟件平臺的構(gòu)建。最終,通過配置、編譯和移植音視頻播放軟件Mplayer,完成了基于ARM嵌入式處理器的數(shù)碼播放平臺的開發(fā)。 硬件測試結(jié)果表明,該平臺實現(xiàn)了數(shù)碼播放的功能,相對于現(xiàn)行的數(shù)碼播放器而言具有更好的功能擴展特性和便于升級的優(yōu)勢。這對未來多功能數(shù)碼播放產(chǎn)品的研制具有重要的參考意義。
[Abstract]:Existing digital players generally use DSP or MCU architecture, the structure is relatively complex, and it is not easy to upgrade and expand functions. In order to solve this problem, an embedded digital playing platform based on S3C6410 chip is designed and implemented in this paper. The scheme adopts the combination of hardware and embedded software. The hardware part is composed of the core circuit of embedded processor and the extended circuit. The core circuit of embedded processor is composed of Samsung ARM11S3C6410 chip, 1GB NAND FLASH memory and 128MB DDR memory. The expansion circuit consists of USB interface, serial interface, network interface, audio circuit, touch screen circuit and LCD video processing circuit. In the software part, Linux2.6.28 is chosen as the kernel of the embedded operating system, while the application chooses the open source audio and video playback software Mplayer. according to the function of the digital player. The transplant problem of Linux operating system on ARM11S3C6410 processor is solved by software design such as configuration and compilation. On this basis, the construction of Linux software platform is completed by transplanting root file system. Finally, the development of digital playback platform based on ARM embedded processor is completed by configuring, compiling and porting audio and video playback software Mplayer,. The hardware test results show that the platform realizes the function of digital playback, and it has better function expansion characteristics and the advantage of easy to upgrade than the current digital player. This has important reference significance for the development of multi-functional digital playback products in the future.
【學位授予單位】：湖南師范大學
【學位級別】：碩士
【學位授予年份】：2012
【分類號】：TP368.1;TN946

【引證文獻】

相關(guān)碩士學位論文 前1條

1 張宇;車載多媒體ECU硬件系統(tǒng)設(shè)計與實現(xiàn)[D];南京理工大學;2013年

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本文編號：2451989