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With the rapid advancements in hand-held devices, traditional phone have also been developed into smart multifunctional mobile phones, which feature numerous functions and flexible operation. Such rapid advancement results from transformations of the embedded system architecture. In the mode of a multi-core cooperative work, the work requiring greater mathematical operations, such as video decoding,...
This paper presents a case study in which an inexpensive embedded control system has been designed and built on top of an open-source real-time operating system. A COTS protocol stack for the well-known MODBUS protocol has been selected and enhanced to provide network communications with a wider address space and a periodic election of the bus master. This design technique has proved very effective...
This paper presents the development and test of the standard IEC-60870-5 application layer protocol for a Remote Terminal Unit (RTU) based on open hardware and software. The RTU hardware is an embedded system, a SoC-type design using FPGA that has been programmed with the open core LEON with Linux operating system running over it, so both the hardware and IOS are open source. For prototyping the GR-XC3S-1500...
One of the drawbacks of currently available smart camera solutions is the gap in comfort and power between software development on the PC and on the embedded system side. This paper describes efforts of bringing high level computer vision software from PCs to the constrained environments of smart cameras. We show that software development with Intel's Open Source Library OpenCV on smart cameras is...
The following topics are dealt with: open source software development; service oriented architectures; Web computing; model driven engineering; software process and product improvement; software management; service and component based software engineering; dependable embedded systems; and Internet technologies, quality of service and applications.
This paper proposes a framework to (i) analyse the contexts of socially embedded systems and (ii) support the understanding of change during their evolutions. Our finding is based on a cooperative project with a government agency developing a partially-automated variability configurator for an open source software product family. By employing our framework, we realised that the way variations and...
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