多核用于嵌入式实时系统 Overview

Real-TimeComputing,LIAOYong,Chapter1Overview,1WhatisReal-TimeComputing,BrakeSystem(Anti-lockBrakingSystem(ABS),Realtime&Safety!,WirelessSensorNetworks(WSN)sensors+microcontroller+radio+networksAllfeasibleatverysmallscalee.g.,BerkeleySmartDust，MICA2Mote,/pister/SmartDust/,1WhatisReal-TimeComputing,Cornercube三面直角棱镜Retroreflector回射器Interrogating询问Beamsteering光束控制Photodetector光电探测器,1WhatisReal-TimeComputing,ApplicationofWSN,1WhatisReal-TimeComputing,PervasiveComputing(UbiquitousComputing)Pervasivecomputingisthetrendtowardsincreasinglyubiquitous,connectedcomputingdevicesintheenvironment,atrendbeingbroughtaboutbyaconvergenceofadvancedelectronic(particularlywireless)technologiesandtheInternet.,1WhatisReal-TimeComputing,Avionics,1WhatisReal-TimeComputing,Avionics,1WhatisReal-TimeComputing,Avionics,1WhatisReal-TimeComputing,PervasiveComputing(UbiquitousComputing)Pervasivecomputingisthetrendtowardsincreasinglyubiquitous,connectedcomputingdevicesintheenvironment,atrendbeingbroughtaboutbyaconvergenceofadvancedelectronic(particularlywireless)technologiesandtheInternet.,1WhatisReal-TimeComputing,ExamplesAvionic(flightcontrol,firecontrol,missilelaunching)MarsroverManufacturingNucleusreactorcontrolWhatisRTS?“AnysystemwhereatimelyresponsebythecomputertoexternalstimuliisvitalisaReal-TimeSystem”.,JustfunctionallyworkingisNOTenough!,2WhatareReal-TimeSystems(RTS),ClassificationofRTS?TherelationshipbetweenEmbeddedSystems&RTS,ES:EmbeddedSystemsERTS:EmbeddedReal-TimeSystems,2WhatareReal-TimeSystems(RTS),ApplicationspecificSpecializeandoptimizethedesignforspecificapplicationNotageneral-purposecomputer(Dontneedallthebellsandwhistles,e.g.,harddrive,monitor,keyboard)Havetoworryaboutbothhardwareandsoftware,JustfunctionallyworkingisNOTenough!,Havetoworryaboutnon-functionalconstraintsReal-timeMemoryPowerCostReliability(Security,Safety),2WhatareReal-TimeSystems(RTS),DoesERTSneedsOS?SoftwarearchitectureofERTS(P10)PollingloopForeground/Background(Interruption&Cocurruncy)MultitaskMultitask&OperatingSystem(OS)WhatisthedifferencebetweengeneralOSandERTOS(RTOS)?,2WhatareReal-TimeSystems(RTS),PopularERTOS?VxWorks,INTEGRITY(MULTI),TinyOS,Nuclear,WindowsCE,Wondowsmobile,uC/OS,DeltaOS,pSOS+,VRTX,QNX,RTEMS,Cisco-IOS,NOKIAERISON-EPOC,AndroidLinuxRTLinux,RTAI,Linux-SRT,www.cl.cam.ac.uk/dmi1000/linux-srtEmbdix,ETLinux,sa.it/etlinuxuCLinux,uLinux,www.sunsite.auc.dk/mulinux,2WhatareReal-TimeSystems(RTS),ReadingC.M.Krishna,KangG.Shin,REAL-TIMESYSTEMS,TsinghuaUniversityPress,McGraw-Hill邵贝贝等译.嵌入式实时操作系统uC/OS-II(第2版).北京:北京航天航空大学出版社,2003WayneWolfComputersasComponents：PrinciplesofEmbeddedComputingSystemDesignJeanJ.Labrosse.,3Reference,ReadingIEEEReal-TimeSystemSymposium(RTSS)IEEEReal-TimeTechnologyandApplicationsSymposium(RTAS)PervasiveComputingJournalofReal-TimeSystems(0.605)IEEETRANSACTIONSONCOMPUTER(2.327)JOURNALOFPARALLELANDDISTRIBUTEDCOMPUTING(0.353)IEEETRANSACTIONSONPARALLELANDDISTRIBUTEDSYSTEMS(0.853),3Reference,ReadingC程序设计语言,许宝文(译),机械工业出版社CPrimerPlus(第五版)