Hardware/software partitioning of embedded system in OCAPI-xl
Proceedings of the ninth international symposium on Hardware/software codesign
An overview of reconfigurable hardware in embedded systems
EURASIP Journal on Embedded Systems
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This paper describes the design of a reconfigurable Internet camera, Cam-E-leon, combining reconfigurable hardware and embedded software. The software is based on the µClinux operating system. The network appliance implements a secure VPN (Virtual Private Network) with 3DES encryption and Internet camera server (including JPEG compression). The appliance's hardware can be reconfigured at run-time by the client, thus allowing to switch between several available image manipulation functions. The reconfiguration information is retrieved from a reconfiguration server on the network, thus allowing a flexible implementation of new services.The paper describes the hardware and software architecture of the platform, the run-time reconfiguration features of the platform including the integration of the platform in the network, and the design process followed to implement the appliance starting from a high-level executable specification.