basics of developing for embedded systems

... cases, targeted for software systems Although requirements management process for software systems can be equally well used in embedded system development due to similar nature of development ... description of the phases of iterative requirements management process Some of its core concepts are reused in this work Other references on general requirement management of software systems include for ... benefit of UML profiling is the fast and easy transformation of MOF meta-model into a deployable UML profile This is because UML is defined with MOF [6] Therefore, same UML tool can be used for defining...

Ngày tải lên: 21/06/2014, 05:20

... an information exchange medium A BSN is an example of such a system wherein the PEs form centers of computation and wireless communication forms the information exchange medium Application software ... that for a set of tasks of different current consumption, sequencing them in a strictly decreasing current profile results in maximum lifetime of the battery For example consider Figure 2.9 Profile ... start of the schedule to endures a decreasing current profile The performance of the algorithm was evaluated by means of synthetic load profiles, generated by observing the current consumption of...

Ngày tải lên: 04/10/2015, 15:44

... going on within the system Embedded Real-Time Systems and Linux • Requirements for Embedded Real-Time Systems Real-time software is most commonly found in embedded systems Since the line between ... deadlines of selected critical tasks must still be guaranteed In their pursuit of all of these objectives, real-time systems make use of a variety of scheduling algorithms These methods of analysis ... Managing Real-Time Systems Requirements for Embedded Real-Time Systems Common Problems with Using Linux for Embedded Real-Time Systems ...

Ngày tải lên: 08/03/2016, 09:24

... http://free­electrons.com Free Software tools for embedded systems C library for the target device C library options Free Software tools for embedded systems © Copyright 2004­2008, Free Electrons ... Jan 24, 2008 http://free­electrons.com 14 Free Software tools for embedded systems GNU / Linux workstation Cross­compiling toolchains Free Software tools for embedded systems © Copyright 2004­2008, Free Electrons ... Jan 24, 2008 http://free­electrons.com 34 Free Software tools for embedded systems GNU / Linux workstation Various tools Free Software tools for embedded systems © Copyright 2004­2008, Free Electrons...

Ngày tải lên: 20/10/2013, 00:15

... liability for damages resulting from the use of the information in this book or for any infringement of the intellectual property rights of third parties that would result from the use of this information ... With software development as our focus, we make choices and tradeoffs that any designer will need to make 1.2— Benefits of C in Embedded Systems The direct benefits of using C in Embedded Systems ... did not wash the dishes forever, as promised Page vii Table of Contents Acknowledgments v Chapter Introduction Role of This Book Benefits of C in Embedded Systems Outline of the Book Typographical...

Ngày tải lên: 22/12/2013, 02:17

... Journal of Science, Mathematics - Physics 23 (2007) 15-21 Figure Overview of Kaffe architecture Figure Co-design of Embedded Kaffe For the purpose of using a java-like technology for embedded systems, ... Naveed Ahmad, Saddaf Mumtaz, Software architecture of Kaffe, 2006 [3] J.Fleischmann, A Hardware/Software Prototyping Environment for Dynamically Reconfigurable Embedded Systems, 1998 [4] Kenneth B.Kent, ... software platform for porting Kaffe environment is an embedded Linux, adapted to real-time systems A co-design environment using Kaffe is showed in Figure Vu Quang Dung et al / VNU Journal of Science,...

Ngày tải lên: 13/02/2014, 03:20

... After developing protothreads, we found that they reduced the complexity of writing software for Contiki For the purpose of this paper, we measure the implementation of a distribution program for ... mechanisms for assisting development of hard real-time systems Conclusions We present protothreads, a novel abstraction for memoryconstrained embedded systems Due to memory-constraints, such systems ... amount of protothreads, memory for the state of all protothreads can be statically allocated in advance Memory for the state of a protothread can also be dynamically allocated if the number of protothreads...

Ngày tải lên: 23/03/2014, 13:20

... and Performance Analysis in Heterogeneous Embedded Systems Performance Prediction of Distributed Platforms Lothar Thiele and Simon Perathoner SystemC-Based Performance Analysis of Embedded ... such platforms, and we review different analysis approaches Model-Based Design for Embedded Systems 1.1.1 Distributed Embedded Platforms Embedded systems are special-purpose computer systems that ... study on the design of a software-defined radio platform Part III Design Tools and Methodology for Multidomain Embedded Systems Part III covers Model-Based Design for multidomain systems Continuoustime...

Ngày tải lên: 02/07/2014, 15:20

... SystemC-Based Performance Analysis of Embedded Systems 35 2.4 Proposed Hybrid Approach for Accurate Software Timing Simulation In this section, a hybrid approach for the performance simulation of the embedded ... flow for the embedded software beginning at the platform-independent software down to the platform-specific target software By stepwise refinement of the system model, a design at lower levels of ... methodology for SystemC-based performance analysis of embedded systems This methodology is based on a cycle-accurate simulation approach for the embedded software that also allows the integration of abstract...

Ngày tải lên: 02/07/2014, 15:20

... methodology for the SystemC-based performance analysis of embedded systems To obtain a high accuracy with an acceptable runtime, a hybrid approach for a high-performance timing simulation of the embedded ... using such formal methods for the early evaluation and exploration of a design, as well as for a formally complete performance verification toward the end of the design cycle—neither of which could ... The maximum number of columns that SystemC-Based Performance Analysis of Embedded Systems 43 have to be considered does not have to be larger than the maximum number of cycles for which a single...

Ngày tải lên: 02/07/2014, 15:20

... efficiently design complex embedded systems 80 Model-Based Design for Embedded Systems Unknown quality of performance data: First, robustness is desirable to account for data quality issues in ... models for the analysis of heterogeneous multiprocessor systems In Proceedings of the 6th IEEE/ACM/IFIP International Conference on 92 Model-Based Design for Embedded Systems Hardware/Software ... model and the values of the performance metrics This is especially important for system properties leading to a discontinuous behavior of the Formal Performance Analysis 77 performance metrics The...

Ngày tải lên: 02/07/2014, 15:20

... tutorial on UPPAAL In Formal Methods for the Design of Real-Time Systems: Fourth International School on Formal Methods for the Design of Computer, Communication, and Software Systems, SFM-RT 2004, ... To model the computations of a system, the notion of Modeling and Analysis Framework for Embedded Systems 131 a “state”, which is a snapshot of the state of affairs of the individual processing ... for different power contributions depending on the state of the task 5.4 Model of Computation In the following, we will give a rather informal presentation of the model of computation For a formal...

Ngày tải lên: 02/07/2014, 15:20

... performance and power effective platform for the consumer-dominated convergence platforms will be composed of a heterogeneous composition of the following PE types: • A medium to high-performance, ... characteristics of the underlying platform It needs to capture the type of high-level parallelism supported by the platform This is because most platforms are designed to naturally support one main class of ... description and the underlying heterogeneous platform 182 Model-Based Design for Embedded Systems We believe that at least three classes of platform programming models are needed: Application...

Ngày tải lên: 02/07/2014, 15:20

... Automation of Electronic Systems (TODAES), Vol 13, No 3, Article 39, July 2008 207 208 Model-Based Design for Embedded Systems design methodology of MPSoC, most efforts have focused on the design of ... limited class of applications after a long period of extensive research [7] In order to increase the design productivity of embedded software, we propose a novel methodology for embedded software design ... Design for Embedded Systems 7.3.4 The High-Level Platform Specification The high-level platform specification is an abstraction of the processing, communication, and storage resources of the target...

Ngày tải lên: 02/07/2014, 15:20

... use of the concept of a software development platform to debug the software before the hardware is ready, thus allowing parallel hardware–software design As illustrated in Figure 9.2, the software ... development platform is an abstract model of the architecture in form of a run time library or simulator aimed to execute the software The combination of this platform with the software code given ... efficient The use of programming models for the software design of heterogeneous MPSoC requires the definition of new design automation methods to enable concurrent design of hardware and software This...

Ngày tải lên: 02/07/2014, 15:20

... software hardware architecture platform for embedded systems, Proceeding of CODES+ISSS 2006, Seoul, Korea, 2006, pp 167–172 J Turley, Survey says: Software tools more important than chips, Embedded ... trade-offs involved in the selection of the number and characteristics of platforms relate to the size of the design space to be explored and the accuracy of the estimation of the characteristics of ... implementation We then define the specification of a design as the combination of functionality, 264 Model-Based Design for Embedded Systems platforms, and performance indexes The functionality specifies...

Ngày tải lên: 02/07/2014, 15:20

... functionality of the system without committing to any particular platform At the same time, platform models are developed as sets of subsystems and technologies that provide a coherent set of functionality ... use of structural and scheduling constraints for fast generation and exploration of architectures is a promising avenue of future research Ptolemy II is a design environment for heterogeneous systems ... be imposed on the interactions to induce a unique choice of transition 300 Model-Based Design for Embedded Systems One of the strengths of the BIP framework is the ability to check certain properties,...

Ngày tải lên: 02/07/2014, 15:20

... that use 316 Model-Based Design for Embedded Systems embedded systems We argued in favor of the need of a unified way of thinking about system design as the basis for a novel system science One ... Research Center, the support of NSF-sponsored Center for Hybrid and Embedded Software Systems, the support of the EU networks of excellence ARTIST and HYCON, and of the European community project ... model based integrated simulation framework for design of embedded systems In Proceedings of the Workshop on Languages, Compilers and Tools for Embedded Systems (LCTES 2001), Snowbird, UT, June...

Ngày tải lên: 02/07/2014, 15:20

... powerful mechanism for FPGA systems, since every FPGA design typically has an application-specific mix of peripherals For FPGA Platforms for Embedded Systems 363 most operating systems, including ... RISC dedicated FIGURE 12.1 Summary of some existing embedded processing platforms with control processors FPGA Platforms for Embedded Systems 355 Regardless of the processor core architecture, ... waveform supporting data traffic 12.2.4 Reusable FPGA Platforms for Embedded Systems Typically, the SRP concept is seen largely as a mechanism for enabling better use of the reconfigurability of...

Ngày tải lên: 02/07/2014, 15:20