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邵贝贝RTOS讲座课件.ppt


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OpenResourcesofRTOS forEmbeddedSystems BeibeiShaoTsinghuaUniversity ConferenceonNuclearElectronics&Detection ,2002inXiaMenWhyRTOS?LearnRTOS:putermoretheoreticallyUsingRTOS:mercialRTOSProductsVxWorksWindRiverSystem$40k/s&VRTXMicrotec$20K/seatLynxOS$10K/s,BulueCatLinux$ QNX OS-eleratedTech. $20K/swithsourcecodeCMX8051ToolsTasking$ $EmbeddedLinuxGreenHill $ Lineo$5k/YellowDoglinux,HardHatLinux,Other:WhyOpenSource?monLanguage&StandardGoodPerformancesandreliabilitiesLowertheSystemCostFreeRTOSKernelSourceCode“µC/OSTheRealTimeKernel”(1992)“MicroC/OS-IITheReal-timeKernel”(1998)“MicroC/OS-IITheReal-timeKernel”2ndEdit(2002)&DPublications,Incritybasedpreemptivekernel(lookinguptablealgorithm)Upto60tasksAbove90%iswritteninCeasyforportingScalableandROMableSourcecodeforPCenvironmentattachedwithafloppyorCDVerydetailexplanationinexcellentprogrammingstyleLicensing: Youdonotneedalicensetousethiscodeinyourapplication,,indicateinyourproductliteraturethatyouareusingμC/OS,theRealTimeKernel. IfyoudistributeμC/OSinsourcecode, 1992TheµC/OS-IIBook 1998LicensingNolicensingisrequiredifµC/OS-IIisusedforeducationYoumustobtainanObjectCodeDistributionLicensetoembeddedµC/OS-mercialproducthatissoldwiththeintenttomakeprofitThe µC/OS-II BookinChinese µC/OS-IIFrom498pagesto606pagesDelete150pagessourcecodelist250newpagesmoreFrom12Chaptersto18ChaptersMeetRequirementforSafety-CriticalSystem

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  • 时间2020-07-29