Serial peripheral interface communication data analysis method, computing equipment and storage medium

Abstract

The invention discloses a serial peripheral interface communication data analysis method, computing equipment and a storage medium. The method comprises: S10, monitoring whether data transmission is started on a serial peripheral interface communication bus or not; S12, reading data on the serial peripheral interface communication bus and storing the read data until data transmission is finished on the serial peripheral interface communication bus is monitored; S14, comparing the stored data with pre-stored standard data, wherein the pre-stored standard data is a read-write instruction sent toserial peripheral interface equipment by a micro-processing unit through the serial peripheral interface; and S16, outputting a comparison result to display equipment for display. The SPI communication data packet does not need to be recognized through manual calculation, the SPI communication process can be automatically recognized through software codes, all data in SPI communication are automatically calculated and stored according to a standard SPI communication protocol, and then error data in the SPI communication process can be rapidly and accurately judged.

Description

technical field [0001] The invention relates to the field of communication data analysis. More specifically, it relates to a method for analyzing communication data of a serial peripheral interface, a computing device and a storage medium. Background technique [0002] In the process of software development, MCU often uses the SPI communication protocol to send read and write commands to external devices to achieve the purpose of controlling the working status of the devices. Due to the large number of equipment instructions, during the communication process, once a certain instruction is sent incorrectly, the equipment will not work normally. The current conventional solution is to use an oscilloscope to detect the SPI communication timing, and then manually calculate the command data to determine whether the data is normal. When there are few SPI instructions (within 10 bytes), this method can indeed solve the problem better, but once there are many instructions, and SPI...

AI Technical Summary

Problems solved by technology

When there are few SPI instructions (within 10 bytes), this method can indeed solve the problem better, but once there are many instructions, and SPI sends dozens of bytes at a time, or even more bytes, the oscilloscope detects The data signal will be very dense. At this time, it will be extremely difficult to distinguish the data through manual calculation, and it is easy to make mistakes and the efficiency is very low.

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