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Automobile controller software refreshing method

A car controller and controller technology, applied in electrical testing/monitoring, etc., can solve problems such as low efficiency, achieve the effect of easy use and reduce the software development process

Inactive Publication Date: 2008-10-15
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The object of the present invention is to provide a kind of convenient and stable method to realize the software refresh of ECU controller, solve the inefficiency problem of aspect such as the hardware of refreshing method in the prior art, condition

Method used

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  • Automobile controller software refreshing method
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Embodiment Construction

[0045] 1. Several terms for software refresh:

[0046] Diagnostic mode: Diagnostic mode. This article contains the default diagnostic mode, which includes the basic diagnostic services necessary for diagnosis; reprogramming diagnostic mode: includes refresh data upload and download diagnostic services, entry / exit, security verification and other diagnostic services.

[0047] Application Software: application program, application software

[0048] Bootloader Software: Corresponding to the application software, mainly the underlying software, and some software associated with the hardware.

[0049] ECU: Electric Control Unit electronic controller, during diagnostic communication, replying to relevant diagnostic information; during the refresh process, the object of uploading data.

[0050] Tester: diagnostic test equipment, diagnostic instrument, also known as diagnostic instrument, in diagnostic communication, it is responsible for issuing commands, receiving ECU data and dis...

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Abstract

The invention relates to a method for automobile controller software refreshing; a diagnosis technique is applied to the software refreshing of the controller; the refreshing process is realized by diagnosis communication; the refreshing development can be carried out based on the existing hardware of an ECU controller and diagnosis testing equipment and additional hardware is not required to be added; existing diagnosis communication service is used and a refreshing special service is added, thus completing the refreshing function. The method for automobile controller software refreshing greatly shortens the refreshing development period and the working quantity, reduces the development cost and is beneficial to the host machine factories to carry out after-sale services and controls.

Description

technical field [0001] The invention relates to the field of automobile automation, and further relates to vehicle-mounted diagnosis, a method for updating software of an electronic controller, and the like. Background technique [0002] 1. Automotive diagnostic technology and refresh [0003] The rapid development of automotive electronics technology has brought about the application and progress of automotive diagnostic technology. Currently, automotive diagnostic technology has not been widely used in China. Even if the electronic control module has diagnostic functions, it is limited to reading and clearing fault codes or reading data in the controller. Streaming, other features of the diagnostic technique are seldom used. The automotive diagnostic technology is more than that, and the combination of automotive diagnostic technology and specific functions inside the automotive controller has become a new development direction. [0004] With the improvement of people's ...

Claims

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Application Information

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IPC IPC(8): G05B23/02
Inventor 李娟娟王金龙王平
Owner CHERY AUTOMOBILE CO LTD
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