A buffer memory management design and implementation method in an industrial internet of things

Abstract

The invention discloses a buffer memory management design and implementation method in an industrial internet of things. The method comprises the following steps: adopting an FPGA as a main controllerto complete SDRAM initialization and design of a main state machine; the SDRAM memory is divided into an index area and a data area, and in order to facilitate memory management, the SDRAM data areais further divided into 1KB memory blocks with the same size; and completing the design of a data processing module, a read-write index module, a read-write data module and an address control module in the memory management part. The method solves the unreliable problems of data disorder and the like caused by reading a plurality of data frames from an SDRAM (synchronous dynamic random access memory) when the industrial high-speed communication has traffic jam cache, and improves the stability of a communication system.

Description

technical field [0001] The invention relates to the field of the industrial internet of things, in particular to the design and implementation of buffer memory management when traffic congestion occurs during high-speed communication. Background technique [0002] With the development of society, high-speed real-time communication plays an indispensable role in many industries, such as military, security monitoring, industrial motion control, industrial Internet of Things and other fields. All walks of life have higher and higher requirements for high-speed data transmission, so high-speed and large-capacity memory plays a very important role in it. Compared with other memories, SDRAM has the advantages of large capacity, small size, high read and write efficiency, and low price. Therefore, it is often used as a data buffer in systems with a large amount of data processing. [0003] In the past, SDRAM was only used as a simple data storage. However, if there is traffic cong...

AI Technical Summary

Problems solved by technology

In practical applications, this design can complete the orderly caching of a large amount of data by identifying external operations. The operation is simple, safe and reliable, and can effectively solve problems such as traffic congestion.

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