Data storage method, device and equipment for optimizing service life of FLASH and medium
A data storage and life-span technology, applied in electrical digital data processing, data processing input/output process, instruments, etc., can solve problems such as increasing stored data verification, achieve a balance of use times, ensure data reliability, and improve the system. The effect of stored data reliability
Pending Publication Date: 2022-02-11
BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD
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[0014] In order to overcome the deficiencies in the prior art and achieve at least one of the above objectives, the present invention provides a FLASH life-optimized data storage method, device, equipment, and medium, which design a storage data model, and store data in the same cycle according to the storage model Encapsulation, to ensure that the data of the same cycle is stored in the same Flash sector; increase the stored data checksum, calculate and store the stored data in the same Flash sector, which can ensure the reliability of the stored data and facilitate data processing; establish the stored data Index, the Flash sector number corresponds to the number of erasures, so as to use all storage sectors in a balanced manner, reduce the unbalanced erasure times of each sector of the Flash, and monitor the life of the Flash through the index
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[0049] The following describes the present invention in detail, and the features and advantages of the present invention will become more clear and definite along with these descriptions.
[0050] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
[0051] According to the first aspect of the present invention, a kind of FLASH life-span optimized data storage method is provided, the set of data that needs to be stored in the application program single cycle is p, and its data length is lp; The storage capacity of Flash memory is v, and the set of sectors is s, its number is k, and the capacity of a single sector is ls; the memory cache is r, and its le...
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The invention provides a data storage method, device and equipment for optimizing the service life of FLASH and a medium. The data storage method comprises the steps of: designing a storage data model, packaging the storage data in the same period according to the storage model, and guaranteeing that the data in the same period is stored in the same Flash sector; adding storage data verification, and calculating the checksum of the storage data in the same Flash sector and storing the checksum, so that the reliability of the storage data can be ensured, and data processing is facilitated; establishing a storage data index, wherein the Flash sector number corresponds to the number of times of erasure, so that all storage sectors are used in a balanced manner, the situation that the number of times of erasure of all the Flash sectors are unbalanced is reduced, and the service life condition of the Flash can be monitored through the index.
Description
technical field [0001] The invention belongs to the technical field of embedded system application software, and in particular relates to a data storage method, device, equipment and medium for optimizing the lifetime of FLASH. Background technique [0002] During the operation of the embedded system, there is a large amount of non-volatile storage requirements for data such as performance parameters and working status, so as to conduct post-event analysis and maintenance diagnosis based on the stored data. As a typical non-volatile memory, Flash has the characteristics of large capacity, low power consumption, high rewritable times, and flexible control, so it is widely used to build non-volatile storage spaces inside or outside embedded systems. Different from storage media such as memory and disk, each storage unit of Flash memory can only write data after being erased. The basic unit of erasing is composed of a certain number of reading and writing basic units. An erasab...
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Login to View More IPC IPC(8): G06F3/06
CPCG06F3/0679G06F3/0616G06F3/0638
Inventor 李长春许午啸李丹华李晶
Owner BEIJING AEROSPACE ERA LASER NAVIGATION TECH CO LTD