Method and device for realizing historical record storage and loading management of embedded device
An embedded device and history recording technology, which is applied in memory systems, electrical digital data processing, memory address/allocation/relocation, etc., can solve the problems of storage, shared versatility and poor speed, and meet the requirements of speed and versatility requirements, compact structure, and universal formats
Active Publication Date: 2017-02-22
XUJI GRP +5
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[0003] The object of the present invention is to provide a method and device for implementing historical record storage and loading management of embedded devices, so as to solve the problem of universality and rapidity of storage, sharing and loading of historical record data between embedded devices or between devices and computers poor problem
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[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings.
[0040] Such as figure 1 As shown, it is a schematic diagram of the structure of the embedded device history record management handle of the present invention. The management handle is a control structure used for history record storage management, and it is a necessary component for history record storage management to control and manage history records. , mainly including the following domains (the domains are stored sequentially):
[0041] 1) The data is ready to be marked: the length is 4 bytes, and the storage information of the marked history record has been prepared and is allowed to be stored;
[0042] 2) CPU ID: 4 bytes in length, identifying the logic CPU module to which the history record belongs;
[0043] 3) The maximum number of sections: the length is 2 bytes, indicating the maximum number of sections that can be managed by the history record m...
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The invention relates to a method and device for realizing historical record storage and loading management of an embedded device. A historical record management method with a general format, a compact structure and simple storing and loading operations is adopted for realizing the general safe fast access for the historical record in the embedded device, and then the modeling for the record head information, section head information and user-defined section historic data and the operation handle management are performed so as to complete the storing and loading operations for the historical record. The device provided by the invention can self-adapt to different CPU storage types (big-end storage type and small-end storage type) and can realize compact storage; the historical record storage data can be loaded by different devices or computers in an appointed format; and the requirements of the embedded device for rapidity and universality can be met.
Description
technical field [0001] The invention belongs to the technical field of electric power engineering relay protection, and in particular relates to a method and device for implementing historical record storage and loading management of an embedded device. Background technique [0002] Embedded systems especially relate to embedded devices in the field of relay protection automation in power engineering, which have very high requirements for system reliability, speed, flexibility and versatility. In embedded devices, there is an increasingly urgent need for reliable storage, fast access, and flexible use of internal history records, especially in the exchange and conversion of business data between multiple modules, multiple CPUs, and between devices and computers. The problem of low efficiency requires a common format, business-independent, flexible and efficient storage and loading management design. Contents of the invention [0003] The object of the present invention is...
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IPC IPC(8): G06F12/06
CPCG06F12/0653
Inventor 马卫平杨智德倪传坤徐艳艳李杰叶留义尹剑仑郭亚楠张玉龙陈献庆裘愉涛
Owner XUJI GRP