3、。withsimlifyingandseedingroductinterfacedeveloment,thusreducingcosts,aWEBinterfacecanalsogreatlyextendthecaabilitiesoffielddevicestorovidefunctionssuchas:)automaticallygeneratemaintenancerequests,)remotediagnostics,)remotefirmwareugrading,andsoonForexamle,imagineaairconditionhasdetectedaneventualfailureconditioninitsdrivemotorThebestthecurrentgenerationofcontrollersorintelligentdevicescoulddoiswritingtoalogfileanddislayamessageonanoeratorinterfacetoindicatethatservicewasrequiredInaWEBbasedservicesworld,thedevicemayexecutetherevioustwostes,butalsocallwhataearstotheGUIrogrammertobealocaleventnotificationfunctionUsingstandardservercomonentsembeddedinthedevice,aWEBserviceroxywouldtakethisnotification,wraitinanencodedmessageandinvokearemoteeventWEBserviceTheeventWEBservicewouldtakethisevent,amotorfailure,androcessitaccordingtoitsredefinedworkflowandbusinessrulesTheresultofthatrocessingmaybetheinvocationofotherWEBservices；suchassubmissionofaservicereques。
2、noftheseroosedsystemscanbemoreeffectiveandefficientEmbeddedTCPIProtocolTheTCPIPstackreferstoacollectionofrotocolsOtherleadingERTOSvendorsuseTCPIPstacksdeveloedforUnixbasedsystemsThesestacksareoftenbasedonSTREAMS,whichwasinventedforUnixsystemv,oroldBSDimlementationsTheyareoorlysuitedforuseinEmbeddedInternet,forwhichtheywereneverintendedTheyhavelargememoryrequirementsandrovideoorerformanceMemoryandmemorymanagementalsobecomeanimortantissuewhenthesoftwarewasmovedfromthedevelomentPCtotheembeddedboardPeolearerushingtoaddInternettechnologiesandembeddedWEBservertotheirroductlinestorovideamoreoenandeconomicalmeansofthenetworkingdevicesAlthoug。uClinux的内核远小于Linux内核的源码,一个WEB接口可以大大提高现场装置的功能,WEB服务代理会接受此通知,
1、intoafieldservicealicationform,aswellasacheckontheavailabilityofasaremotorfromaninventorymanagementsystemrunningonanothercomuterThroughthisuseofWEBservices,theaircondition'sselfdiagnosisofanwwwwoccomerrorconditionrequiringarelacementmotormaytriggeravarietyofactionswithinthesuortiveenterriseAsimlecomonentfailurecanautomaticallysetintomotionacomlexseriesofevents(beforethecustomermayevenbeawareoftheroblem)ThatultimatelyresultsinafasterresonsetotheroblemandahighdegreeofcustomersatisfactionInadditiontoallowingoutboundinvocationofWEBservices,manyembeddedsystemrovidersmayalsoberequiredtoofferaWEBserviceTocontinuetheexamleabove,let'ssaythatt。尽管在减少网络服务器的大小和成本方面取得了长足进展,个可编程输入输出口和网络集成电路,两个计时器,两个串口,专为无内存管理单元的微处理器所设计。最好的操控器或智能装置可以做的是将其写入一个日志文件,但对于大多数机器来说它仍然过于庞大和昂贵,以一种更加开放和经济的方式提供网络装置。这是因为WEB浏览器能够为各种客户机服务器应用提供一个GUI(GrahicalUserInterface的简称,假设一个空调已经侦测到其驱动马达发生故障。事实上WEB浏览器已成为多种运用的标准用户界面。另外,其潜在的技术远不止只是对浏览网页有益。厂商纷纷将网络技术和嵌入式网络服务器加入到他们的生产线中,具有位精简指令集。新的嵌入式系统开发平台和嵌入式WEB服务器技术是可以实现的,内存和内存管理成为一个重要的问题。它为管理员随时随地提供一个用户友好、跨平台、开放和无处不在的方式去管理嵌入式系统。为建设嵌入式网络系统提供的更好的工具将进一步加速新的WEB启用的产品的使用,即图形用户接口)界面而不执行一个单独的客户端。使用一个嵌入在装置中的标准服务器,可以使装置和传感器制造商为他们的产品迅速开发先进的和易于使用的图形界面。它们有大量的记忆要求,向图形用户接口程序员通知消息。
,在编码的邮件中隐藏,在每台装置上安装网络服务器以便从互联网上管理它们是讲得通的,因为它们从未这样打算过。通过使用WEB服务,在装置和传感器中嵌入一个WEB服务器允许用户在世。11、格以及检测运行在另一台计算机上清单管理系统上是否有空闲马达。
10、emotorThebestthecurrentgenerationofcontrollersorintelligentdevicescoulddoiswritingtoalogfileanddislayamessageonanoeratorinterfacetoindicatethatservicewasrequiredInaWEBbasedservicesworld,thedevicemayexecutetherevioustwostes,butalsocallwhataearstotheGUIrogrammertobealocaleventnotificationfunctionUsingstandardservercomonentsembeddedinthedevice,aWEBserviceroxywouldtakethisnotification,wraitinanencodedmessageandinvokearemoteeventWEBserviceTheeventWEBservicewouldtakethisevent,amotorfailure,androcessitaccordingtoitsredefinedworkflowandbusinessrulesTheresultofthatrocessingmaybetheinvocationofotherWEBservices；suchassubmissionofaservicerequest。edinstructionsetInadditions,theSCBOXrocessorfeaturesaconfigurableunifiedKbytecacheSRAM,anCserialinterface,twoUARTs,twotimers,rogrammableIorts,andnetworkICsuchasCSAcanbeusedtoerformallofthedecodingencodingonincomingandoutgoingdata；therefore,mostEthernetfunctionscanberealizedOneofthemostimortantfeaturesofSamsungSCBOXisthatanuClinuxcanbeorteduClinuxisderivedbasedonLinuxkernelandisdesignedformicrocontrollerswithoutMemoryManagementUnits(MMUs)TheuClinuxkernelismuchsmallerthantheoriginalLinuxkernel,whileretainingthemainadvantagesoftheLinuxsuchasstability,sueriornetworkcaability,andexcellentfilesystemsuortWithuClinux,thedesignandimlementationoftheseroosedsystemscanbemoreeffectiveandefficientEmbeddedTCPIProtocolTheTCPIPstackreferstoacollectionofrotocolsOtherleadingERTOSvendorsuseTCPIPstacksdeveloedforUnixbasedsystemsThesestacksareoftenbasedonSTREAMS,whichwasinventedforUnixsystemv,oroldBSDimlementationsTheyareoorlysuitedforuseinEmbeddedInternet,forwhichthey。
#p#分页标题#e#9、gmilieuwithanewlevelofoennessOtherwise,embeddingaWEBwwwwoccomserverinadeviceorsensorallowsuserstoaccessthesedevicesfromanywhereintheworldutilizingastandardInternetBrowserAstheWorldWideWEB(orWEB)continuestoevolve,itisclearthatitsunderlyingtechnologiesareusefulformuchmorethanjustowsingtheWEBWEBowsershavebecomethefactostandarduserinterfaceforavarietyofalicationsThisisbecauseWEBowserscanrovideaGUIinterfacetovariousclientserveralicationswithouthavingtoimlementasearateclientItrovidedauserfriendly,crosslatform,oenandubiquitousmethodtomonitorembeddedsystemforadministratorsanywhereandanytimeNewembeddedsystemdevelomentlatformandembeddedWEBserv。
8、torovidetheinterconnectionbetweenembeddeddevicesandtheInternet,soembeddedInternet(EI)mustbedeloyed,asshowninFigureAfterembeddingthisserveruserwwwwoccomcanvisittheirdevicesthroughtheInternetconvenientlyanywhereatanytimeOururoseinthisexerimentistodesignaminiembeddedWEBserverandembeddedittokindsofdevicessothedifferentdevicesthatcangiveuserauniforminterfacetoaccessthroughaowserInfacttheyonlyneedaowserItgivesauniformInternetinterfacetotraditionalequimentsEmbeddedsystemThemicrorocessorusedintheembeddedsystemisabitARMTDMInetworkrocessorSCBOXmanufacturedbySamsungElectronicsCo,LtdTheSCBOXisalowowerbitRISCmacrocellincororatingtheThumbbitcomres。intoafieldservicealicationform,aswellasacheckontheavailabilityofasaremotorfromaninventorymanagementsystemrunningonanothercomuterThroughthisuseofWEBservices,theaircondition'sselfdiagnosisofanwwwwoccomerrorconditionrequiringarelacementmotormaytriggeravarietyofactionswithinthesuortiveenterriseAsimlecomonentfailurecanautomaticallysetintomotionacomlexseriesofevents(beforethecustomermayevenbeawareoftheroblem)ThatultimatelyresultsinafasterresonsetotheroblemandahighdegreeofcustomersatisfactionInadditiontoallowingoutboundinvocationofWEBservices,manyembeddedsystemrovidersmayalsoberequiredtoofferaWEBserviceTocontinuetheexamleabove,let'ssaythatthefieldservicealicationhassentawirelessnotificationtoafieldtechnician'sPDAUsingstandardtechnology,thetechnicianmaycallthecustomertoscheduleavisit,arriveatthesite,anderformasetofdiagnosticroutinesontheairconditionAlltoooftenthisdiagnosticsequencemayresultintheneedforadditionalartsormaintenance,lengtheningtherocessofreai。
7、hefieldservicealicationhassentawirelessnotificationtoafieldtechnician'sPDAUsingstandardtechnology,thetechnicianmaycallthecustomertoscheduleavisit,arriveatthesite,anderformasetofdiagnosticroutinesontheairconditionAlltoooftenthisdiagnosticsequencemayresultintheneedforadditionalartsormaintenance,lengtheningtherocessofreairInaWEBbasedservicesworld,thetechnicianmightusehisPDAtoremotelyinvokethediagnosticroutines,lettingthePDAbetheclienttoaWEBserviceofferedbytheairconditionvendorOtherfunctionssuchasfirmwareugradesandremotecontrolcouldalsoberovidedusingtheWEBservicestandardsembeddedinthefielddeviceExerimentalsetuThegoalofembeddedWEBserveris。uClinux是由Linux内核驱动,在装置和传感器中嵌入一个WEB服务器允许用户在世界。三星SCBOX的最重要的一个特点是可移植uClinux操作系统。连续的诊断经常发生会导致额外的零部件维护需求,对于小型装置来说,如：）自动生成维修请求,如CSA可用于实现所有在输入输出数据中解码和编码；因此,大部分以太网的功能可以实现。
12、edinstructionsetInadditions,theSCBOXrocessorfeaturesaconfigurableunifiedKbytecacheSRAM,anCserialinterface,twoUARTs,twotimers,rogrammableIorts,andnetworkICsuchasCSAcanbeusedtoerformallofthedecodingencodingonincomingandoutgoingdata；therefore,mostEthernetfunctionscanberealizedOneofthemostimortantfeaturesofSamsungSCBOXisthatanuClinuxcanbeorteduClinuxisderivedbasedonLinuxkernelandisdesignedformicrocontrollerswithoutMemoryManagementUnits(MMUs)TheuClinuxkernelismuchsmallerthantheoriginalLinuxkernel,whileretainingthemainadvantagesoftheLinuxsuchasstability,sueriornetworkcaability,andexcellentfilesystemsuortWithuClinux,thedesignandimlementatiowereneverintendedTheyhavelargememoryrequirementsandrovideoorerformanceMemoryandmemorymanagementalsobecomeanimortantissuewhenthesoftwarewasmovedfromthedevelomentPCtotheembeddedboardPeolearerushingtoaddInternettechnologiesandembeddedWEBservertotheirroductlinestorovideamoreoenandeconomicalmeansofthenetworkingdevicesAlthoughgreatstrideshavebeenmadeinreducingthesizeandcostofsuchWEBservers,itisstilltoolargeandtoocostlyformostalicationsItmakessensetohaveaWEBserverineverydevicetomakethemmanageablefromthewwwwoccomInternetWithsmalldevices,itisnecessarytoreducetheWEBservertoitsessentialcomonents,requiringjustafewKbytesofmemoryatthedeviceFurthermore,havinganEmbeddedTCPIPstackateverydevicemaWEB服务器嵌入式internet的发展方面所做的工作,对空调执行一套例行的诊断。嵌入式系统在嵌入式系统中使用的微处理器是一款由三星电子有限公司生产的位ARMTDMI的网络处理器SCBOX 。它给传统的装置提供了一个统一的互联网界面。实际上他们只需要一个浏览器即可。用户通过一个浏览器由一个统一的界面访问这些装置。因为万维网在继续发展,将网络服务器减少到只剩必需的部分是有必要的,将其嵌入到各种装置中。
4、的任何一个地方利用标准的因特网浏览器访问这些装置。在基于WEB服务的世界里,小型装置只需要很少的几K字节的内存即。在基于网络服务的世界里,并在操作员界面上显示消息来表明有服务需求。在该实验中我们的目的是设计一款小型嵌入式网络服务器,成本因此降低,很明显,延长修复的进程。在嵌入这种服务器之后用户可以随时随地的通过互联网便捷的访问他们的装置。当软件从个人电脑开发转移到嵌入式开发板时,技术员可以致电客户预约一次访问,技术员可以用他的掌上wwwwoccom电脑远程请求诊断例程,所以嵌入式互联网必须配置如图一所示。为了允许调用外部的WEB服务,提供欠佳的表现。它们不适合使用在嵌入式互联网中,提高了客户的满意度。
6、hgreatstrideshavebeenmadeinreducingthesizeandcostofsuchWEBservers,itisstilltoolargeandtoocostlyformostalicationsItmakessensetohaveaWEBserverineverydevicetomakethemmanageablefromthewwwwoccomInternetWithsmalldevices,itisnecessarytoreducetheWEBservertoitsessentialcomonents,requiringjustafewKbytesofmemoryatthedeviceFurthermore,havinganEmbeddedTCPIPstackateverydevicemaWEB服务器嵌入式internet的发展方面所做的工作,普适计算环境将包括数不尽的相互作用、协调合作、访问权wwwwoccom限的放开,普适计算环境将包括数不尽的相互作用、协调合作、访问权wwwwoccom限的放开,无论是我们随身携带的或者嵌入在我们的家里、企业和工厂,无论是我们随身携带的或者嵌入在我们的家里、企业和工厂,数据流是为Unixv操作系统和旧的BSD实现所创造的。
#p#分页标题#e#5、ertechnologiesareavailableandmakeitossibleforequimentandsensormanufacturerstoquicklydevelosohisticatedandeasytousegrahicalinterfacesfortheirroductsTheavailabilityofbettertoolsforbuildingWEBembeddedsystems,willfurtheracceleratetheaceofnewWEBenabledroductsthatareexectedtobecomethereferredinterfacestandardofthefutureAlongwithsimlifyingandseedingroductinterfacedeveloment,thusreducingcosts,aWEBinterfacecanalsogreatlyextendthecaabilitiesoffielddevicestorovidefunctionssuchas:)automaticallygeneratemaintenancerequests,)remotediagnostics,)remotefirmwareugrading,andsoonForexamle,imagineaairconditionhasdetectedaneventualfailureconditioninitsdriv。InaWEBbasedservicesworld,thetechnicianmightusehisPDAtoremotelyinvokethediagnosticroutines,lettingthePDAbetheclienttoaWEBserviceofferedbytheairconditionvendorOtherfunctionssuchasfirmwareugradesandremotecontrolcouldalsoberovidedusingtheWEBservicestandardsembeddedinthefielddeviceExerimentalsetuThegoalofembeddedWEBserveristorovidetheinterconnectionbetweenembeddeddevicesandtheInternet,soembeddedInternet(EI)mustbedeloyed,asshowninFigureAfterembeddingthisserveruserwwwwoccomcanvisittheirdevicesthroughtheInternetconvenientlyanywhereatanytimeOururoseinthisexerimentistodesignaminiembeddedWEBserverandembeddedittokindsofdevicessothedifferentdevicesthatcangiveuserauniforminterfacetoaccessthroughaowserInfacttheyonlyneedaowserItgivesauniformInternetinterfacetotraditionalequimentsEmbeddedsystemThemicrorocessorusedintheembeddedsystemisabitARMTDMInetworkrocessorSCBOXmanufacturedbySamsungElectronicsCo,LtdTheSCBOXisalowowerbitRISCmacrocellincororatingtheThumbbitcomres。处理结果可能是援引其他WEB服务；如将服务请求提交给现场装置的应用表。WEB服务器将会处理马达故障这一事件,根据预定义的工作流程及业务规则处理。利用标准技术,然后调用一个远程的WEB服务。例如,空调的自我诊断故障系统提出更换马达的需求,现场服务应用发送一个无线的通知给技术员的掌上电脑。这些装置,等等。这些装置,经常还包括无形的计算装置。实验装置嵌入式网络服务器的目标是在嵌入式装置和互联网之间提供相互联系,装置可能执行之前的两个步骤,而保留了Linux的主要优点如稳定性,经常还包括无形的计算装置。使用嵌入到现场装置中网络服务标准也可以提供其他功能如固件升级和远程遥控。继续上面的例子,让掌上电脑成为空调供应商提供的网络服务的客户。这些堆栈基于数据流,该芯片处理器统一配置了K字节的缓存SRAM,一个多主IC总线接口,许多嵌入式系统供应商也可能会被要求提供WEB服务。其他主要的ERTO供应商利用TCPIP堆栈开发基于Unix的系统。嵌入式TCPIP协议TCPIP堆栈是指协议的集合。利用uClinux,这些文件的设计和应用将会更会更有效。这一系统的运用使得对问题的反应更快,较好的支持网络能力和杰出的文件支持系统。一个简单零件的故障能够自动设定到一系列复杂事件活动(在客户意识到这个问题之前)。随着简化和加快产品接口的发展,这一需求在一个支持售后服务的企业会引发一系列的行动。而且,进入该站点,这种产品预计将成为未来的接口标准的首选。结果是将网络环境开放到一个新的水平。而且,通过无线和有线链接和另外的嵌入式装置及全球网络基础设施连接到一起。结果是将网络环境开放到一个新的水平。关键词：普适计算、嵌入式WEB服务器、uCLinux导言在不远将来,通过无线和有线链接和另外的嵌入式装置及全球网络基础设施连接到一起。实验结果还表明该嵌入式网络系统可以有效的集成到装置中。关键词：普适计算、嵌入式WEB服务器、uCLinux导言在不远将来,重点是实现TCPIP协议和互动式网站的编程。实验结果还表明该嵌入式网络系统可以有效的集成到装置中。）遥控固件升级,）远程诊断,重点是实现TCPIP协议和互动式网站的编程