HONEYWELL霍尼韦尔51197012-10051197012-10051197012-100【图片仅供参考,实际产品电话或***咨询】[诚信经营][质量可靠][进口原装][拆包防伪][大量库存][当天付款][顺风速运][欢迎***]EmbeddedICE提供的断点及观察点将使处理器偏离正常执行序列，***了软件的实时行为，它不能完成实时操作调试功能。ARM结构的处理器采用嵌入式跟踪宏单元ETM很好的解决了系统实时调试的问题。4.1硬件电路EmbeddedICE单元支持断点和观察点功能并提供主机和目标软件的通信通道。ETM单元[5]压缩处理器接口信息并通过跟踪端口送到片外。这两个单元都由JTAG端口控制。SoC外部的EmbeddedICE控制器用于将主机系统连接到JTAG端口，跟踪端口分析器使主机系统与跟踪端口对接。主机通过一个网络可以与跟踪端口分析器和EmbeddedICE二者连接。4.2实现原理由调试软件配置并通过标准JTAG接口传输到ETM上。在程序执行时ETM可以通过产生对处理器地址、数据及控制总线活动的***(Trace)来获得处理器的全速操作情况。在实时仿真时外设和中断程序依然能够继续运行。用户控制断点和观察点的设置并可以配置各种跟踪功能。跟踪触发条件可以指定，跟踪采集可以在触发之前、之后或以触发为中心可以选择跟踪是否包括数据访问。跟踪采集可以是数据访问的地址、数据本身，也可以是两者兼有。ETM是使用软件通过JTAG端口进行配置的，所使用的软件是ARM软件开发工具的一个扩展。跟踪数据从跟踪端口分析仪***并解压，***终反链接到源代码。5应用实例下面以S3CEV40开发板[4]为例，介绍ARM调试结构应用。S3CEV40采用的CPU为Samsung公司的S3***4B0X，是国内应用广泛的基于ARM7TDMI内核的SoC。其调试系统的硬件结构如图2：计算机的并行口和EmbestPowerICEforARM仿真器的DB25接口通过标准的DB25公、母转换电缆连接。EmbestPowerICEforARM仿真器通过一个的IDC头的直通电缆(1-1，2-2，…20-20)与目标板的JTAG接口相连接。20芯的EmbestPowerICEforARM仿真器接口的定义如图3所示：S3CEV40所用到的调试软件为EmbestIDE集成开发环境，它提供源码级调试，提供了图形和命令行两种调试方式，可进行断点设置、单步执行、异常处理，可查看修改内存、寄存器、变量等，可查看函数栈，可进行反汇编等。它为用户提供2种调试方法：脱机调试：EmbestIDEforARM带ARM指令集模拟器，用户能在PC上调试ARM应用软件。***调试：EmbestIDE将程序通过仿真器***到开发板，直接进行调试。EmbestIDE的调试功能包括：断点功能;程序的单步执行;变量监视功能，随程序运行同步更新变量，变量值即时修改;寄存器即时查看与修改;存储器查看与修改，存储器内容显示格式定制;堆栈显示;同时提供图形界面操作和命令行操作方式;支持被调试代码的多种显示模式，能以源码、汇编、混合等形式来显示程序;具有与MSVisualStudio类似的调试菜单功能：Go，Stop，Reset，Stepinto，RuntoCursor等;程序的上载和***。6结束语本文介绍了32位ARM嵌入式处理器的调试技术。在JTAG边界扫描技术的基础上介绍了ARM的EmbeddedICE及嵌入式跟踪并在此基础上介绍了一个系统调试实例。嵌入式调试技术是嵌入式软硬件开发中必要的一环，掌握了它能在开发中起到事半功倍的作用。嵌入式技术正在日新月异的发展着，嵌入式调试技术也不是一成不变的，它必将随着高速、低功耗Soc的发展而进步。基于ARM的包括EmbeddedICE模块的系统芯片通过JTAG端口和协议转换器与主计算机连接。这种配置支持正常的断点、观察点以及处理器和系统状态访问，(除上面介绍的comms端口以外)这是程序设计人员在本地或基于ICE的调试中习惯采用的方式。采用适当的主机调试软件，以较少的硬件代价得到完全的源代码级调试功能。OsakaTD711/1111-CTurboVacuumPumpControllerVarianTurbo-VTV81-MTurboVacuumPumpEBARAET-2500WSTurboVacuumPumpPfeifferTPH1600TurboVacuumPump,Serial#12338634OsakaTD701/1101TurboVacuumPumpControllerAdixen/AlcatelVacuum5150,#9752124,TurboVacuumPu...OsakaTG1103MTurboVacuumPump,SerialTG1100M-164VarianV300ICETurbo-VPumpController:90daywarrant...LeyboldMAGorFASDriveDigitalor2700TurboPumpCon...SeikoSeikiSTP-301HTurboVacuumPump:TestedGoodOerlikonLeyboldMAG400CTTurboVacuumPump#A9201002...SeikoSeikiSTP-H451C1TurboVacuumPump:Rebuilt,1Ye...LeyboldNT340MTurboPumpControllerOerlikonLeyboldCone.Trol200TurboPump&Controller:...OerlikonLeyboldTMP50TurboVacuumPump:Rebuilt,6M...SeikoSeikiSTP-H2001C1TurboVacuumPump,Serial#23S...PfeifferTPH-190TurboVacuumPumpTPH190,PMP01630/M...Varian300HTTurboVacuumPump,Model#969-9083S001AM...Pfeiffer/Balzer?sTPU450HTurboVacuumPump,Serial#...ShimadzuTMP-3403LMCTurboVacuumPump&EI-D3403MTurb...PfeifferTMU-260TurboVacuumPumpBalzersTMU260,PM0...Pfeiffer/Balzer?sTCP040TurboPumpController:RebuiltSeikoSeikiSCU-21DTurboPumpController:RebuiltPfeiffer/Balzer?sTCP120TurboPumpControllerEBARAET600WTurboPumpControllerET600WAdixen/AlcatelCFF450TurboPumpControllerPfeiffer/Balzer?sTCP300TurboPumpControllerVarianV550TurboPumpController:90daywarranty.EBARAET-1600WSVacuumTurboPump:RebuiltVarianV2000ICETurboPumpControllerVarianV1000TurboPumpController:90daywarranty.Pfeiffer/Balzer?sTCP600TurboPumpController:90day...SeikoSeikiSCU-301/301CTurboPumpController:90day...VarianTV551N***MacroTorrTurboVacuumPump:Factory...LeyboldTW700TurboVacuumPump#800051V0002:Factory...SeikoSeikiSCU-603CTurboPumpController:Rebuilt,90...Edwa***EXC120TurboPumpController,Part#D39616000...SeikoSeikiSTP-H2001K2TurboPumpController,Serial#...SeikoSeikiSTP-H1301L1TurboVacuumPump-H1301:Rebu...SeikoSeikiSTP-603CTurboVacuumPump,S/NM841980:Re...OerlikonLeyboldTMP1000CTurboVacuumPump:11764,Re...VarianTV70DTurboVacuumPump,Model#969-9361:Rebu...OerlikonLeyboldTMP1100CTurboVacuumPump:FactoryR...LeyboldTW300TurboVacuumPump800170V2101:FactoryR...OerlikonLeyboldMAGW1300CTurboVacuumPump400110V...OerlikonLeyboldTMP1000CTurboVacuumPump:855351Ye...OerlikonLeyboldMAG3200TurboVacuumPump:FactoryRe...OerlikonLeyboldTW701TurboVacuumPump:FactoryRebu...OerlikonLeyboldT1600TurboVacuumPump:FactoryRebui...PfeifferTPH-1500TurboVacuumPump,PMP01840-A/N841OsakaTG550TurboVacuumPump,Serial#G550-1XXX1OsakaTG1000TurboVacuumPump,Serial#G100015EBARAET-300WSVacuumTurboPump:ET300WSShimadzuTurboPumpControlCable0011-00009ShimadzuTurboPumpACPowerCable0011-00011OsakaTH542ASAWTurboVacuumPump,Serial#1287:TH542...PfeifferTPH-240TurboVacuumPumpTPH240,PMP01320B...PfeifferTMU1600MPCTurboVacuumPump,Serial#1308...OerlikonLeyboldTurbovacSL80TurboVacuumPumpEdwa***/SeikoSeikiSTP-F2203CTurboVacuumPumpPfeifferTPH-170TurboVacuumPumpLeybold-HeraeusTurbovac450TurboVacuumPump,Serial...PfeifferTPU-180HTurboVacuumPumpOerlikonLeyboldTW261w/TDSTurboVacuumPumpTW261Adixen/AlcatelATH1000MTurboVacuumPumpAlcatel/AdixenATP400TurboVacuumPump#N355322VarianTurbo-VTV81-MTurboVacuumPumpEBARAET-2500WSTurboVacuumPumpPfeifferTPH1600TurboVacuumPump,Serial#12338634Adixen/AlcatelVacuum5150,#9752124,TurboVacuumPu...OsakaTG1103MTurboVacuumPump,SerialTG1100M-164SeikoSeikiSTP-301HTurboVacuumPump:TestedGoodOerlikonLeyboldMAG400CTTurboVacuumPump#A9201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