Method for obtaining highly reliable multi-computer communication architecture in embedded system

Abstract

The invention discloses a method for obtaining a highly reliable multi-computer communication architecture in an embedded system. The method comprises the steps of a, layered communication design, wherein a hardware layer, a communication layer and a protocol layer are arranged from bottom to top in sequence, and each layer provides service for the upper layer and utilizes service from the lower layer; b, buffer mechanism design, wherein buffering zones are arranged at each communication port of the communication layer; c, error detection mechanism design, wherein error detection is conducted in both hardware stage level and software level; d, virtual channel and state design, wherein a virtual channel is arranged on a multi-interface embedded processor for working mode conversion, and working state conversion is conducted through input data of a corresponding communication port. Compared with the prior art, the method has the advantages that the multi-computer communication architecture in the embedded system with complicated communication and the designing method of the architecture are provided, the complexity of communication design of the system can be reduced greatly and the reliability of the system is improved by means of the architecture, and expandability is high.

Description

technical field [0001] The invention relates to the communication field, in particular to a highly reliable multi-computer communication framework method in an embedded system. Background technique [0002] At present, there is no unified architecture for system communication in complex embedded systems. In the system design, most of the stand-alone machines are directly connected to achieve data interaction. With the increase of stand-alone machines and the diversification of communication data formats, this architecture can no longer meet the needs of embedded systems. Application of high reliability and high real-time requirements. This paper proposes a highly reliable multi-computer communication architecture in embedded systems, which can well handle complex protocol communication issues among multiple single-computers. The following problems exist in the traditional multi-computer communication when the system communication is complex: (a) the physical communication l...

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Problems solved by technology

The traditional multi-computer communication has the following problems when the system communication is complicated: (a) the communication physical line is complicated, and a physical line is required between the single-machines of the communication; (b) there are many interfaces between the single-machines, which leads to the complexity of the communication protocol; (c) the new When adding a single machine, more hardware and communication protocols need to be modified, and the scalability is not good; (d) the data processing is complicated and the real-time performance is not high; (e) the error detection mechanism is not perfect and the reliability is not high

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