Serial port communication protocol automatic adaptation middleware

A technology of serial port communication and serial port protocol, which is applied in the field of communication, can solve the problems of increasing the difficulty of platform data processing and maintenance, the inability of the platform to uniformly analyze the user layer protocol, and reducing the speed of equipment access to the platform, etc.

Inactive Publication Date: 2019-06-25
宁波中科集成电路设计中心有限公司 +1
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Problems solved by technology

Since different types of serial device manufacturers have different communication protocol formats, the platform cannot uniformly analyze the user layer protocol. It is necessary to identify the device t

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  • Serial port communication protocol automatic adaptation middleware
  • Serial port communication protocol automatic adaptation middleware

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0015] The embodiment of the present invention provides a serial port communication protocol automatic adaptation middleware, the middleware is a communication link connecting various self-defined serial port devices and the Internet of Things cloud platform in series, and provides automatic data analysis and splicing for serial device access to the cloud platform services, reducing device access complexity and development and maintenance costs.

[0016] like figure 1 shown. The software structure of the embodiment of the present invention includes a relational database for describing the protocol structure, a cache database for storing the protocol structure, and an analysis middleware for analyzing the custom serial port protocol. Among them, the serial port protocol description information stored in the relational database provides confi...

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Abstract

The invention discloses serial port communication protocol automatic adaptation middleware which is applied to the communication process between serial port equipment and an equipment cloud platform and structurally comprises a relational database provided with a description protocol structure, a cache database for storing a protocol structure and an analysis module for analyzing a user-defined serial port protocol. User-defined serial port data protocols in different formats, such as a fixed-length fixed-sequence format, a fixed-lengths variable-sequence format, a variable-length fixed-sequence format, a fixed length array and an unfixed-length array, are analyzed; inputting the protocol configuration information into a relational database and synchronizing the protocol configuration information to a cache database; and the analysis module analyzes the serial port data uploaded by the equipment through the protocol configuration information in the cache database, uniformly converts the serial port data into data in a JSON format and uploads the data to the platform for processing, so that the development and maintenance cost of accessing the serial port equipment into the cloud platform is reduced, and the access speed is increased.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to an automatic adaptation middleware of a serial port communication protocol. Background technique [0002] With the large-scale popularization and blowout development of the Internet of Things, more and more different types of devices are connected to the network, among which serial communication devices account for half of the country. The serial port is a common communication interface for instrumentation equipment. The serial port communication protocol is used to obtain data from remote acquisition equipment. Each bit of the information byte is transmitted in a fixed order, which has the advantages of strong anti-interference ability, low cost and long transmission distance. The data collected from the serial port is sent to the cloud through WI-FI or GPRS, which is a common way for traditional devices to go to the cloud. [0003] The serial port communication protocol ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
Inventor 卓琳黄晁潘意杰方浩杰王磊龚迪军
Owner 宁波中科集成电路设计中心有限公司
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