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This paper studies the problem of data communication protocols for multiprocessor smart sensors and embedded applications with hard real-time (HRT) or critical requirements. We propose a time-triggered communication interface and set of protocols, called Predictable ARchitecture for Sensor Communication Systems (PARSECS), specifically designed to sustain, at low costs and complexity, the predictable...
This paper presents a data communication interface specifically designed to sustain the predictable operation of hard real-time systems. The general interface architecture, data format and communication protocols are discussed, along with a case study - the full-duplex SPI (serial peripheral interface) for the HARETICK kernel. Some of the most interesting experimental results are also presented.
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