基于ARM和UC_OSⅡ嵌入式平台的NANDFLASH存储驱动系统设计

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1、西南交通大学硕士学位论文基于ARM和uC/OS-Ⅱ嵌入式平台的NANDFlash存储驱动系统设计姓名：郑千洪申请学位级别：硕士专业：光学工程指导教师：王黎20081201西南交通大学硕士研究生学位论文第VI页AbstractWiththerapiddevelopmentofthemodemcomputertechnologyandintemettechnologies，theembeddedsystemhasbecomeoneofthemainfocusesinthecurrentinformationindustry．Considereditsextraordina

2、ryperformanceandlowpowerconsumption，theARMtechnologyiswidelyusedinthe32-bitembeddedprocessorfield．Withtherapidusageofdigitalcamera，anewproductcalleddi．gitalpictureframeiswidelyused，thedigitalpictureisshowingthedgitalpictureinsteadofthetraditionalpicturethroughttheLEDscreen，thusitismoref

3、lexiblethanthetraditionalframes，besides，itprovidesamorewidelyplatformforthedigitalpictures．Astheoperationsystemaspectmentioned，theuC／OS—IIhasbecometheembeddeddesigners’favoriteforallkindsofembeddeddeviceapplicationwithitsexcellentcharacterassmallkernel，multitask，abundantsystematicservic

4、e，easyusageandsourcecodeispubliclyaccessed．TheembeddedfilesystemuC／FSisconsideredtobestable，easilytransplanted，compatiblewithuC／OS-II，therefore，thisfilesystemismostlyusedintheplatformwhichisbasedontheuC／OS-II．TheNANDFlashstoragedeviceisconsideredtobemassivedatastorage，hi曲lydataaccessed，

5、easilyerasedandwrote，lowpowerconsumption，therefore，itisabestchoicetobeusedintheportableelectronicdatastorageaswellasembeddedcodestorage．’ThehardwareplatformofthisthesisisbasedontheArkmicroTechnologiesCompany’SdigitalpictureframechipprojectARKl600，whichisfullyintegratedtheneededhardwarem

6、odulesfortheembeddedsystemdesigning．ThemaintaskforthisthesisistofulfilltheimplementationoftheNANDFlashDriverbydesigninganembeddedworkingsystem，whichisacombinationoftheuC／OS—IIoperationsystemaswellastheuC／FSfilesystemontheembeddedplatformARKl600．ThethesisUSeStheARMADSsoftwaretocompilecod

7、eundertheWindowsoperationenvironment．AsfortheDebugging，thisthesisusesMulti—ICEasprephaseDebugtoolaswellasUSB—DebuggerasasystematicDebugt001．Thetaskofthisthesisisdividedasthreeparts．ThefirstpartisabouttheresearchingoftheARMstructureandtheuC／OS—II，thentransplantingtheuC／OS—IIoper