Communication method and device for dual-core electric energy meter, and storage medium

Abstract

The invention discloses a communication method and device for a dual-core electric energy meter, and a storage medium. The communication method comprises the steps: dividing a transmitted message of amanagement unit into a message header and a message body, and transmitting the message header and the message body to a metering unit of the dual-core electric energy meter; formulating a first response message format and a second response message format of the metering unit, and when response data of the metering unit is prepared, replying the first response message format to the management unit; and when the response data of the metering unit is not prepared, replying to the management unit according to the second response message format. According to the communication method, the problem of overrun of SPI high-speed communication data in the prior art is solved; however, the technical problems that the simulation speed is low, when a metering unit sends data to a management unit in aninterrupt mode, the metering unit is interrupted by interrupt with higher priority, so that an SPI bus sends wrong data, and the management unit receives wrong byte data, and a final message is distorted exist.

Description

technical field [0001] The present application relates to the technical field of superconducting power, in particular to a communication method, device and storage medium for a dual-core electric energy meter. Background technique [0002] The dual-core electric energy meter separated by law is composed of a management unit and a metering unit. The management unit and the metering unit are connected through a communication interface. The commonly used communication interface in the electric energy meter is UART. When the amount of data exchanged between the management unit and the metering unit is increasing When it is large, the communication rate of UART used in dual-core communication is difficult to reach the communication rate of 1Mbps, and the communication rate of UART is difficult to meet the needs of high-speed communication, and UART needs the rate matching of the two parties to communicate, and the two parties must set the same communication rate. [0003] Dual-co...

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Problems solved by technology

[0004] This application provides a communication method, device and storage medium for a dual-core electric energy meter, which solves the problem of overrun of SPI high-speed communication data in the prior art, but there is a problem that the simulation speed is slow, and the metering unit sends to the management unit through an interrupt The data is interrupted by a higher priority interrupt due to an interrupt, causing the SPI bus to send wrong data, causing the management unit to receive wrong byte data and distorting the final message.

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