c for embedded systems course

Tài liệu C Programming for Embedded Systems docx

... the prescalar and starting the clock are tasks of the software developer. Knowing the processor clock frequency, and choosing correct prescalar values, you can achieve accurate timer clock periods.The ... instructions to the COPCR register. Interestingly, the COP watchdog is dependent upon the system clock; a clock monitor circuit resets the MCU if the clock stops, and thereby renders the COP watchdog ... to C necessary for targeting an embedded environment, and the common components of a successful development project. C is the language of choice for programming larger microcontrollers (MCU),...

C Programming for Embedded Systems ppt

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... ensures that application source code can be recompiled for different microcontroller targets. Page 11 (c) Wait for keystroke(1) If key is pressed, wait for debounce period and check again.(d) ... 3.2 shows the COP8 vector table, as required for the COP8SAA7 device. The rank is as enforced by the VIS instruction.Table 3.2 COP8 vectored interruptsRank Source Description Vector Address ... recorded in main (or data) memory: the Microchip PIC and Scenix SX architectures use a stack space outside of user RAM.It is important to check the depth of return information stored by function...

Practical Statecharts in C/C++ Quantum Programming for Embedded Systems phần 1 pps

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Practical Statecharts in C/C++ Quantum Programming for Embedded Systems phần 10 pptx

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Free Software tools for embedded systems

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... 20FreeSoftwaretoolsforembeddedsystemsâCopyright2004ư2008,FreeElectronsCreativeCommonsAttributionưShareAlike2.5licensehttp://freeưelectrons.comJan24,2008Platformspecifictoolchains(2)ColdfireCodeSourcery(supportsELF,GNU/LinuxanduClinux):http://www.codesourcery.com/gnu_toolchains/coldfirePowerPCCodeSourcery(supportsGNU/LinuxandEABI)http://www.codesourcery.com/gnu_toolchains/power.html ... 16FreeSoftwaretoolsforembeddedsystemsâCopyright2004ư2008,FreeElectronsCreativeCommonsAttributionưShareAlike2.5licensehttp://freeưelectrons.comJan24,2008StandalonetoolchainbuildBuildingacrossưcompilingtoolchainbyyourselfisadifficultandpainfultask!Cantakedaysorweeks!Lotsofdetailstolearn.Severalcomponentstobuild(buildinggcctwice:onceforgcc+onceforcompilersthatneedtheClibrary).Lotsofdecisionstomake(suchasClibraryversionandconfigurationforyourplatform)NeedkernelheadersandClibrarysourcesNeedtobefamiliarwithcurrentgccissuesandpatchesonyourplatformUsefultobefamiliarwithbuildingandconfiguringtoolshttp://www.aleph1.co.uk/armlinux/docs/toolchain/toolchHOWTO.pdfcanshowyouhowfunitcanbe! ... 15FreeSoftwaretoolsforembeddedsystemsâCopyright2004ư2008,FreeElectronsCreativeCommonsAttributionưShareAlike2.5licensehttp://freeưelectrons.comJan24,2008FreeSoftwaretoolsforembeddedsystemsGNU/LinuxworkstationCrossưcompilingtoolchains 9FreeSoftwaretoolsforembeddedsystemsâCopyright2004ư2008,FreeElectronsCreativeCommonsAttributionưShareAlike2.5licensehttp://freeưelectrons.comJan24,2008uClibchttp://www.uclibc.org/fromCodePoetConsultingLicense:LGPLLightweightClibraryforsmallembeddedsystems,withmostfeaturesthough.ThewholeDebianWoodywasportedtoit...

Tài liệu Báo cáo "Dynamically reconfiguration architecture for embedded systems using Kaffe " doc

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... instruction and datacaches as well as the interface controller. Instructions for execution flow through the interface andinto the instruction cache for execution.The interface controller maintains ... 32-bit architecture. Theexception is the connection between the Stack cache and the arithmetic units that is 96 bits. Thisallows for long operands to pass from the cache to the arithmetic units ... of eEmbedded Kaffe systems The target architecture for such systems consists of a microprocessor running a Kaffe virtualmachine, and a hardware processor consisting of a core from the ARM family....

Model-Based Design for Embedded Systems- P1 pdf

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... Design for Embedded Systems 1.1.1 Distributed Embedded Platforms Embedded systems are special-purpose computer systems that are inte-grated into products such as cars, telecommunication devices, consumerelectronics, ... CaliforniaLaura Barrachina-SaraleguiInstitut de Microelectrònica deBarcelonaCentre Nacional de MicroelectrònicaBarcelona, SpainOlivier BennySTMicroelectronics, Inc.Ottawa, Ontario, CanadaAlbertBenvenisteInstitut ... the direct application of the proposedapproach for optical link synthesis and technology performance characteri-zation by analyzing optical link performance for two sets of photonic com-ponent...

Model-Based Design for Embedded Systems- P2 doc

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... an abstract and a concrete GPC.Abstract components transform input VCCs into output VCCs, that is,they are characterized by a transfer function that relates input VCCs to out-put VCCs. We say ... Systems UT/LTUntimed/timedstructural communicationCDMATiming approximatecommunicationCANUTUntimed/timedp-2-p communicationATCycle-accuratecommunicationCANRefinement flowFIGURE 2.1The communication refinement ... SystemC code. Thiscode can be compiled for any host machine to be used for a target platform-independent simulation.Communication calls in the automatically created SystemC models areencapsulated...

Model-Based Design for Embedded Systems- P3 pptx

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... number of cycles caused by mispredictedbranch and cache behaviors. At the end of each basic block, the generationof previously calculated cycles (static cycles plus correction cycles) can occur(Figure ... the processor.Annotation of C code for a basic blockArchitecturalmodel C code corresponding to the cacheanalysis blocks of the basic blockCachemodelBranch pre-diction model C code corresponding ... a basic blockFunction call of consume functionif necessary (e.g. before I/O access)consume(getTaskTime());delay(cycleCalculationICache(tag, iStart, iEnd));delay(cycleCalculationForConditionalBranch());delay(statically...

Model-Based Design for Embedded Systems- P4 ppt

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... DDR for two consideredsystem properties subject to maximization.Shared memoryHWIP1 IP2SigOutECU1eval1ctrl1eval2ctrl2calcctrl3exec2exec1mon2mon3mon1Multicore ECUECU4CAN Bus C5 C4 C3 C2 C1 ECU2ECU3Sens3Sens2Sens1Act2Act1ESPParking ... in which both scenarios can impress load artifacts on thesystem.Each scenario is characterized by a specific behavior and is associatedwith a specific set of tasks. A scenario change (SC) from ... consequence of the echo effect, for the worst-case response time calcu-lation across the SC of the low-priority unchanged communication task C5 ,it is not sufficient to consider only its activations...

Model-Based Design for Embedded Systems- P6 pps

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... thateach τjis characterized by “best-case” and “worst-case” execution times,bcetj∈ N and wcetj∈ N, respectively. At the start of each new period,there is a nondeterministic choice concerning ... a collectionofcommunicating sequentialtasks. Each task is characterized by four timing properties, describedlater. The dependencies between tasks are captured by an acyclicdirected graph (called ... larger capacity than strictly necessary cannotbe justified.Feedback control is a common application type in embedded systems, and many wireless embedded systems are networked control systems, ...

Model-Based Design for Embedded Systems- P7 pot

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... Finally,customer-specific developments and controlled access to the domain-specific parallel subsystems will usually occur via this general-purposeprocessor and OS pair.ã Domain-specific subsystems composed ... improve-ment, wireless communications, and 3D graphics).ã Tightly coupled hardware PEs for domain-specific data processingfunctions.ã Domain-specific I/O blocks, which are becoming increasingly flexible.7.2 ... Pallottino. A component-based approach to localization and collisionavoidance for mobile multi-agent systems. In Proceedings of the EuropeanControl Conference (ECC), Kos, Greece, 2007.3. T.R....

Model-Based Design for Embedded Systems- P8 pps

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... processor p C commis the communication cost required for the communication of task twith the preceding tasks C succrepresents a look-ahead cost concerning the successor tasks, the min-imal cost ... and receiver (rx). The blockstx_crc_0(70)rx_crc_0(70)rx_crc_1(70)rx_vtd_1(205)rx_vtd_0(205)tx_crc_1(70)aaaaabbcbbbbccddccaabatx_vtc_0(75)tx_vtc_1(75)tx_rm(40)tx_fi(80)rx_fi(80)tx_rfs(30)rx_rfa(30)rx_rm(40)tx_si(80)rx_rake(175)tx_si(80)tx_sm(170)MA C Radiointerfa c eFIGURE ... inputs:Application specificationClient/server StreamingAbstractplatformspecificationPerformanceanalysisComponent assemblyVisualizationApplicationconstraints,profilingApplicationcore C functionsStreamingStatictoolsStreamingDynamictoolsIntermediate...

Model-Based Design for Embedded Systems- P9 ppt

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... by SkillicornAbstraction Level Typical Languages Explicit ConceptsImplicit concurrency PPP, crystal NoneParallel level Concurrent Prolog ConcurrencyThread level SDL Concurrency, decompositionAgent ... Emerald, CORBA Concurrency, decomposition,mappingProcess network Kahn process network Concurrency, decomposition,mapping, communicationMessage passing MPI, OCCAM Concurrency, decomposition,mapping, ... linksVirtualarchitectureData exchange, e.g.,send–receive(data)Implicit tasks control,e.g., threads inSystemCSpecific I/Oprotocolsrelated toarchitectureTransactionaccuratearchitectureData access...

Model-Based Design for Embedded Systems- P10 pot

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... spaceApplication spacePlatform instanceMappedFunctionspacePlatforminstanceMappedPlatform(architectural space)Platform(architectural space)FunctionspacePlatformmappingPlatformdesign-spaceexportFunction ... architecture, virtual architecture, transaction accu-rate architecture, and virtual prototype levels are described, respectively.9.6.1 Application and Architecture SpeciﬁcationThe H.264 encoder ... upon a complex MPSoC architecture toexecute efficiently the H.264 video encoder application and to explore differ-ent communication schemes. Nicolescu/Model-Based Design for Embedded Systems...