Communication method between two processors
A dual-processor, communication method technology, applied in the direction of electrical digital data processing, instruments, computers, etc., can solve the problems of increased hardware design difficulty and cost, poor flexibility and versatility, shorten the cycle of integration and transplantation, realize Real-time communication, the effect of isolating differences
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[0021] The basic idea of the present invention is that in a system including processor A and processor B, processor B triggers the interrupt of processor A twice at a fixed time interval, and after the interrupt is triggered, processor A and processor B simultaneously A read or write operation is performed on a specific area of the DPRAM to realize two-way data and message communication between processor A and processor B during the time interval.
[0022] The present invention will be described in detail below with reference to the drawings and embodiments.
[0023] FIG. 1 is a schematic structural diagram of a dual-processor system communicating through DPRAM. As shown in FIG. 1 , the system includes processor A, processor B and DPRAM. Wherein, processor A and processor B are connected with DPRAM by address and data bus. In addition, there is an interrupt control line between processor A and DPRAM.
[0024] Among them, processor A is usually an embedded processor with ...
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