Vehicle instrument upgrading method and system

Abstract

The invention relates to a vehicle instrument upgrading method and system, and belongs to the technical field of vehicle instruments, and the method comprises the steps that an upper computer obtainsan interface upgrading material of a vehicle instrument, and recognizes a plurality of high-frequency repeated regions in the interface upgrading material; the upper computer calculates a feature BINcharacter string corresponding to each high-frequency repetition region, and sets an identification character corresponding to the feature BIN character string; the upper computer generates a BIN fileof the interface upgrading material, and replaces a feature BIN character string in the BIN file with an identification character; in the replaced BIN file, the upper computer modifies the charactercontent of multiple bytes with the same continuous content into the character content of a single byte and the number of the bytes; and the upper computer transmits the modified BIN file to a storagespace of the vehicle instrument, so that a control chip of the vehicle instrument performs instrument interface upgrading according to the BIN file. By adopting the method and the device, a vehicle instrument interface can be quickly upgraded, and particularly, the material upgrading of the liquid crystal instrument interface of an engineering machinery vehicle can be conveniently and quickly realized.

Description

technical field [0001] The present application relates to the technical field of vehicle instrumentation, more specifically, it relates to a method and system for upgrading vehicle instrumentation. Background technique [0002] The vehicle instrument is the main interface used to display the vehicle's operating parameters. The driver can intuitively and conveniently know the real-time status of the vehicle through the vehicle instrument. With the rapid development of automobile technology and display technology, traditional mechanical vehicle instruments have been gradually replaced by digital instruments. Correspondingly, the information display of vehicle instruments is more efficient, beautiful and rich. With the rapid development of automotive electronics technology, in addition to passenger cars and commercial vehicles, the vehicle instrumentation technology of engineering machinery vehicles is also advancing rapidly, and drivers have higher and higher requirements for ...

AI Technical Summary

Problems solved by technology

[0005] In the process of upgrading the instrument interface material, because the data volume of the instrument interface material is generally large, if you choose to upgrade the vehicle instrument by removing the shell, the upgrade process is very cumbersome and difficult, and professional developers must operate it. It is difficult for after-sales maintenance personnel and users to operate; if the CAN interface of OBD is used to upgrade the network, the CAN network of engineering vehicles generally uses low-speed CAN, which is often difficult to meet the data transmission requirements of large amounts of data, and it takes a long time. The probability of errors and other problems is high, so there is an urgent need for a convenient, fast and practical instrument interface material upgrade method suitable for engineering vehicles

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