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Method and system for communication between upper computer and lower computer

A communication method and the technology of the lower computer, which are applied in the direction of instruments, electrical digital data processing, etc., can solve the problems of low communication efficiency and complex command analysis, and achieve the effect of improving communication efficiency and reducing complexity

Inactive Publication Date: 2012-10-24
INST OF ACOUSTICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0003] At present, the upper computer and the lower computer communicate through byte streams or data frames, and the lower computer needs to provide supporting hardware circuit support to analyze the commands, so the communication efficiency is not high.

Method used

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  • Method and system for communication between upper computer and lower computer
  • Method and system for communication between upper computer and lower computer
  • Method and system for communication between upper computer and lower computer

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Embodiment Construction

[0017] In the embodiment of the present invention, the upper computer writes the command for guiding the operation of the lower computer into the command storage, the upper computer writes the data to be downloaded into the downlink data storage, or the lower computer writes the data to be uploaded into the upload data storage. One of the upper computer and the lower computer writes the communication state into the state memory as required, and the other reads the communication state from the state memory and responds. Separating the command from the data to be transmitted can reduce the complexity of command processing by the lower computer, improve communication efficiency, and solve the problem of low communication efficiency between the upper computer and the lower computer in the prior art.

[0018] The technical solutions of the present invention will be further described below with reference to the drawings and embodiments.

[0019] Embedded system development boards de...

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Abstract

The invention relates to a method and a system for communication between an upper computer and a lower computer. One of an upper computer and a lower computer writes commands and transmission data into different memories of a shared memory, and the other of the upper computer and the lower computer reads the commands from a command memory and executes the commands to achieve the communication between the upper computer and the lower computer. According to the method and the system for the communication between the upper computer and the lower computer, the commands of the communication between the upper computer and the lower computer and data required to be transmitted are written into the different memories of the shared memory, so that the complexity of command processing of the lower computer is reduced, and communication efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of embedded communication, in particular to a communication method and system between an upper computer and a lower computer. Background technique [0002] In an embedded system, the target system waiting for debugging is usually called the lower computer, and the corresponding host computer (PC) is called the upper computer. It is a common method for the upper computer to realize the control of the lower computer through asynchronous serial communication, and the shared memory provides various operations such as uploading and downloading of data between the upper computer and the lower computer. In the communication process, the upper computer is usually used as the master terminal to send commands, while the lower computer is used as the controlled terminal to receive and execute commands. [0003] At present, the upper computer and the lower computer communicate through byte streams or data frames. The l...

Claims

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Application Information

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IPC IPC(8): G06F13/16
Inventor 朱浩彭楚吴殿丞王东辉洪缨
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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