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*2008-11-27,2009-02-06**:(QD200303)***,,1982,,::1003-5850(2009)03-0042-03ARMTheDesignofEmbeddedImageAcquisitingSystembasedonARM罗发秀 文环明 马晓红(河北科技大学信息学院 石家庄 050018)设计针对广泛应用于安全防控系统、视频监控系统、视频网络系统以及机器视觉等领域中的核心图像采集处理单元提出的。目标是设计出一个基于32位嵌入式微处理器ARM(S3C2410)和嵌入式操作系统ARM-Linux的视频图像采集系统。旨在用最少的硬件,完成高质量的图像采集功能。介绍了视频图像采集处理系统的总体设计及其具体实现。嵌入式系统,图像采集,ARM,S3C2410:TP317.4:AABSTRACTThisdesigniswidelyusedforthepreventionandcontrolsecuritysystems,videosurveillancesystems,videonetworksystemsinareassuchasmachinevision,aswellasthecentralprocessingunitimageacquisitionTheaimistodesigna32-bitembeddedmicroprocessorsbasedonARM(S3C2410)andARM-Linuxembeddedoperatingsystem,thevideoimageacquisitionsystemItcompleteshigh-qualityimagecapturefunction,withtheleasthardwareThisthesisintroducesthemacrodesignofthesystemanditsdetailedrealization.KEYWORDSembeddedsystem,imageacquisition,ARM,S3C241070%,,,,,,[1],3G,IP,[2],,,DSP,,,32S3C2410,,1,,I/O1.1,S3C2410RESETFLASHRAM:JTAGLEDLCD142(214)ARM2009,,ARM920TS3C2410NANDFlashK9F1208SDRAMHynixHY57V561620BT-HUSBUSBhub,USB,bmp,LCDLCDSharp3.5inLCD,240320b1.2S3C2410S3C2410SamsungARM920T16/32RISCS3C2410203MHz,MMU(MemoryManagementUnit),5,1.8V,0.7mW/MHz,S3C2410ARM920T,:1LCD,STNTFT;(SDRAM);3UART;4DMA,I/O,;4PWM16/116,;810ADC,500kB/s,10;;IIS;2USB,1USB;2SPI;SDMMC;16;117I/O24;810AD;1.3YF2410YF2410S3C2410,YF24102,12MHz,CPUPLL200MHzNandFlashBOOTROM64M,SDRAM64MbyteTFTLCD,3UART,USB,1,1USB,SD/MMC,EmbeddedICE,RTC(),IIC,ADC,SPI2YF2410/,IIS,EINT,10M,,IDE/ATA,2arm-linux,MMU,,I/O(I/OI/O),,[3-6]:USB;2.1USBLinux,,I/OVideo4LinuxLinux,Linuxv4lMultimediaDevicesVideoforLinux,v4LlLinux81,,USBI/Oopenreadwriteclose,,I/Oioctlstructfileoperation,,LinuxstructfileoperationUSB,USB,USB,insmod,USB43223(215)[7-10]2.2,,,,VideoforLinux,,kernelvideodev.h,3,,,,2.3,NFSNFS,video,,lsmod,ov511.o,,insmodov511.o,lsmod,,!,,Minicom:#./v41capVideo/dev/v41/video0caputure:320x240framebuffer:320x240,16bpp,0x25800byte:video0320240320240160x25800B3,,,,,LCD,,444,,:,,,[1].[M].:,1999.[2],,.ARM[J].,2003(11):31-34.[3],,.[M].:,2005.[4],,.Linux[M].:,2004.[5]A.P.BOVET.C.MARCO.UnderstandingtheLinuxKernel.IEEReview,2000,43(2):45-52.[6]CAlan.Video4LinuxProgramming.[7]H.SMichael,DIBill.VideoforLinuxTwoAPISpecification:RealTimeMagazing,2004(3):83-88.[8].LinuxS3C2410[J].,2005,12(6):122-124.[9],.32[J].,2003(4):59-61.[10],,.LinuxSitSangusb[J].,2005(7):54-55.44(216)ARM2009