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A management method of embedded data management file system

A file system and data management technology, applied in file systems, special data processing applications, file access structures, etc., can solve problems such as limited number of memory erasures, unusable memory, complicated data operation sequence, etc., to save memory space , Reduce the number of erasing and improve efficiency

Active Publication Date: 2022-06-17
FUJIAN NEWLAND COMM SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. It is stored in binary format, which is not convenient for data viewing, especially when the data volume is relatively large; 2. When storing different types of data, the operation sequence of data storage and reading is complicated; 3. Adding new data only It can be added in an additional way; 4. The data must be erased every time the memory is rewritten, and the number of erasing of the memory is limited. If the number of erasing exceeds the limit, the memory will not be able to be used normally

Method used

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  • A management method of embedded data management file system
  • A management method of embedded data management file system
  • A management method of embedded data management file system

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Embodiment Construction

[0046] Please refer to Figure 1 to Figure 4 As shown, a preferred embodiment of a management method for an embedded data management file system of the present invention includes the following steps:

[0047] Step S10, create a data linked list, define the file name format, the file creation method and the file opening authority; the data linked list is used to quickly search for files;

[0048] Step S20, call the initialization function (VFS Init()), and initialize the file system (VFS) based on the data linked list; that is, a path is reserved for the directory of the data linked list in the file system, for example, the directory of the computer C disk is: C:\, if there is a file under C drive, that is, C:\ file name or a directory under C drive, and there is a file under the directory, it is C:\directory\file name, the purpose of initialization is to go to flash Read the saved file and directory data in the memory, create the root node of the VFS in the memory, and hang t...

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Abstract

The present invention provides a management method of an embedded data management file system in the technical field of embedded devices, comprising the following steps: step S10, creating a data link list, defining the file name format, file creation method and file opening authority; step S20, File system is initialized based on the data linked list; step S30, obtain the file to be written, the file attributes of the file to be written include file name, file creation method, file length (data size) and open status; based on the The file name format is verified for the file name of the file to be written; step S40, based on the file creation method and the data link list, the file to be written is written into the memory; the data link list includes a directory chain and a file chain, and the directory chain can be as required create. The invention has the advantages of greatly improving the efficiency and stability of embedded device data management.

Description

technical field [0001] The invention relates to the technical field of embedded devices, in particular to a management method of an embedded data management file system. Background technique [0002] After the introduction of the file system, the embedded device makes the operation of the data more flexible than the direct operation of the memory, and provides convenience for the maintenance of the data. However, when the traditional file system stores data, it directly stores the data in binary format, which has the following disadvantages: [0003] 1. Storage in binary format is inconvenient to view data, especially when the amount of data is relatively large; 2. When storing different types of data, the sequence of operations for data storage and reading is complicated; 3. New data only It can be added in an additional way; 4. The data must be erased each time the memory is rewritten, and the number of times of erasing the memory is limited. If the number of erasing exce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/13G06F16/16
CPCG06F16/13G06F16/162
Inventor 曾兴隆陈佳华张磊
Owner FUJIAN NEWLAND COMM SCI TECH