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Flash system and engine

A technology for writing information and writing data, which is applied in the direction of instruments, electrical digital data processing, input/output to record carriers, etc., and can solve problems such as waste of resources

Pending Publication Date: 2020-03-17
WEICHAI POWER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of writing the cached modification information into the write-in area in the flash memory by the above-mentioned random access memory, the capacity of the write-in area is usually the same as that of the random access memory, resulting in a waste of resources in the random access memory cache

Method used

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  • Flash system and engine
  • Flash system and engine
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Embodiment Construction

[0038] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of the present invention , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects and not necessarily Describe a specific order or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein a...

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Abstract

The invention provides a flash system and an engine. The flash system comprises a controller, a random access memory and a writing device, wherein the controller is respectively connected with the writing device and the random access memory, the controller is used for receiving the first write-in information sent by a write-in device, determining the caching times according to the first write-in information and the first preset capacity, and sending the first write-in information to the random access memory according to the caching times. The flash system and the engine are used for saving thecaching resources of a random access memory.

Description

technical field [0001] The present application relates to the technical field of engines, in particular to a flashing system and an engine. Background technique [0002] The vehicle is usually equipped with a controller (Electronic Control Unit, ECU) and a memory, wherein the memory is used to store relevant parameters of the vehicle, such as fine-tuning external characteristics, vehicle configuration data, etc., and the controller is used to write relevant parameters into the memory , or modify the relevant parameters already written in the memory. [0003] At present, the memory provided in the vehicle includes: random access memory and flash memory. In practical applications, the controller writes relevant parameters into the flash memory through the random access memory, or modifies the relevant parameters already written in the flash memory through the random access memory. For example, the process for the controller to modify the relevant parameters written in the fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F3/06
CPCG06F3/0608G06F3/0679G06F3/061
Inventor 王怀宽刘月美
Owner WEICHAI POWER CO LTD
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