CN105760112A - Data storage method, reading method and systems for prolonging service life of memory - Google Patents
Data storage method, reading method and systems for prolonging service life of memory Download PDFInfo
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- CN105760112A CN105760112A CN201610071036.8A CN201610071036A CN105760112A CN 105760112 A CN105760112 A CN 105760112A CN 201610071036 A CN201610071036 A CN 201610071036A CN 105760112 A CN105760112 A CN 105760112A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0616—Improving the reliability of storage systems in relation to life time, e.g. increasing Mean Time Between Failures [MTBF]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0638—Organizing or formatting or addressing of data
- G06F3/064—Management of blocks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0679—Non-volatile semiconductor memory device, e.g. flash memory, one time programmable memory [OTP]
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- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention discloses a data storage method, reading method and systems for prolonging the service life of a memory.The data storage method includes the steps that firstly, one or more storage areas are allocated for data to be stored in the memory in advance; secondly, in the data storage process, the data to be stored is stored in the memory in the mode that the storage areas are switched in turn.The data reading method includes the steps that firstly, marking variables FLAG in the storage areas are read; secondly, according to the marking variables FLAG of the storage areas, the storage area where the latest data is located is judged; thirdly, data of the storage area corresponding to a judgment result is read to serve as effective data.The storage system comprises a storage area allocation module and a data processing module.The reading system comprises a marking variable reading module, a judgment module and an execution module.The utilization rate of the memory is maximized through the methods, system design requirements can still be met even if a memory low in number of operation times is selected and used, and accordingly cost is lowered.
Description
Technical field
The present invention relates to the technical field of electric automobile, more specifically, relate to a kind of memorizer that extends and use the date storage method of time, read method and system.
Background technology
In recent years, development along with information technology, the safety of data and the recovery capability of data that store on storage medium draw attention day by day, this is without damage to ensure the data wherein stored for proposing increasingly higher requirement the service life storing the storage medium of data, and also wish when maloperation or virus are invaded and harassed, it is possible to recover the data being accidentally deleted.In the prior art, during data storage, erasable operation is frequently repeated in a certain piece of region in memorizer, and other memory areas seldom even never carry out erasable operation, and cause memorizer utilization rate low, ultimately resulting in memorizer uses the time shorter, for needing the data stream frequently carrying out storing, the life-span of memorizer is likely to not reach requirement of system design.It addition, need, in the application of replacing hardware, to be likely to so that the loss of data in original system after changing hardware at some.
Summary of the invention
It is an object of the invention to overcome drawbacks described above of the prior art, a kind of memorizer that extends is provided to use the date storage method of time, read method and system, change memory area dividing condition when supporting not revise software and meet the storage of different parameters, reducing the loaded down with trivial details of amendment software.
For achieving the above object, technical scheme provided by the invention is as follows:
The invention provides a kind of memorizer that extends and use the date storage method of time, the method comprises the following steps:
(1) it is that data to be stored distribute more than one memory area in advance in memory；
(2), in data storage procedure, data to be stored are stored in memory in the way of switching memory area in turn.
As preferred technical scheme, described step (2) comprises the following steps:
(21) for one indexed variable FLAG of data setting to be stored；
(22), during write data, determine currently stored operation is by which memory area is data to be stored write according to indexed variable FLAG；
(23) memory area will determined in data to be stored and indexed variable FLAG write step (22) thereof.
As preferred technical scheme, in described step (21), indexed variable FLAG initial value is 0, and before often storing a secondary data, this mark scalar FLAG adds up 1；
Described step (22) being determined, data to be stored are write the process of which memory area and are by currently stored operation:
Remembering that the memory area that data to be stored are write by currently stored operation is the n-th memory area, wherein, the n value equal to mark scalar FLAG is divided by the remainder of the number of pre-assigned memory area.
Present invention also offers a kind of memorizer that extends and use the method for reading data of time, it is characterised in that comprise the following steps:
A reads the indexed variable FLAG in each memory area；
B judges the memory area at latest data place according to the indexed variable FLAG of each memory area；
C reads the data of memory area corresponding to above-mentioned judged result as valid data.
As preferred technical scheme, the process of described step B is as follows:
The relatively size of the indexed variable FLAG of each memory area, using the memory area maximum for the indexed variable FLAG memory area as latest data place.
Present invention also offers a kind of memorizer that extends and use the data-storage system of time, this system includes memory area distribution module and data processing module；
Described memory area distribution module, for being the data to be stored more than one memory areas of distribution in advance in memory；
Described data processing module, for, in data storage procedure, storing data to be stored in memory in the way of switching memory area in turn.
As preferred technical scheme, described data processing module includes indexed variable setting module, memory area selects module and writing module；
Described indexed variable setting module, is used for as one indexed variable FLAG of data setting to be stored；
Described memory area selects module, during for write data, determines currently stored operation is by which memory area is data to be stored write according to indexed variable FLAG；
Said write module, for writing, by data to be stored and indexed variable FLAG thereof, the memory area that memory area selects to determine in module.
As preferred technical scheme, in described indexed variable setting module, indexed variable FLAG initial value is 0, and before often storing a secondary data, this mark scalar FLAG adds up 1；
Described memory area selects in module, it is determined that data to be stored are write the process of which memory area by currently stored operation is:
Remembering that the memory area that data to be stored are write by currently stored operation is the n-th memory area, wherein, the n value equal to mark scalar FLAG is divided by the remainder of the number of pre-assigned memory area.
Present invention also offers a kind of memorizer that extends and use the data reading system of time, this system includes indexed variable read module, judge module and performs module；
Described read module, for reading the indexed variable FLAG in each memory area；；
Described judge module, for judging the memory area at latest data place according to the indexed variable FLAG of each memory area；
Described execution module, is used for the data reading memory area corresponding to above-mentioned judged result as valid data.
As preferred technical scheme, the judge process of described judge module is as follows:
The relatively size of the indexed variable FLAG of each memory area, using the memory area maximum for the indexed variable FLAG memory area as latest data place.
Compared with prior art, the beneficial effects of the present invention is:
1, the present invention by storing in memory by data to be stored in the way of switching memory area in turn, the utilization rate making memorizer reaches to maximize, and change memory area dividing condition when supporting not revise software and meet the storage of different parameters, reduce the loaded down with trivial details of amendment software.
Even if 2, requirement of system design still can be reached by the method when the memorizer that the operable number of times of selection is relatively low, thus reducing cost.
3, the present invention can support data inspection function, meets commissioning requirements；In the application needing replacing hardware, it is possible to after importing and exporting data guarantee hardware replacement, keep consistent with system legacy data.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the date storage method extending the memorizer use time that the embodiment of the present invention one provides；
Fig. 2 determines in the embodiment of the present invention one that data to be stored are write the schematic diagram of which memory area by currently stored operation；
Fig. 3 is the flow chart of the method for reading data extending the memorizer use time that the embodiment of the present invention two provides；
Fig. 4 is the block diagram of the data-storage system extending the memorizer use time that the embodiment of the present invention three provides；
Fig. 5 is the block diagram of the data reading system extending the memorizer use time that the embodiment of the present invention four provides；
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
Embodiments of the invention one provide a kind of memorizer that extends and use time and the method for storage data query, and Fig. 1 is the method flow diagram of the embodiment of the present invention one, refer to Fig. 1, and the method for the embodiment of the present invention comprises the following steps:
Step S101, in advance be in memory data to be stored distribute more than one memory areas；
In step S102, data storage procedure, data to be stored are stored in memory in the way of switching memory area in turn.
For better implementing the present invention, described step 102 comprises the steps:
Step S1021, for one indexed variable FLAG of data setting to be stored；
When step S1022, write data, determine currently stored operation is by which memory area is data to be stored write according to indexed variable FLAG；
Step S1023, the memory area will determined in data to be stored and indexed variable FLAG write step S1022 thereof.
In described step S1021, indexed variable FLAG initial value is 0, and before often storing a secondary data, this mark scalar FLAG adds up 1；
As in figure 2 it is shown, described step S1022 determining, data to be stored are write the process of which memory area and are by currently stored operation:
Remembering that the memory area that data to be stored are write by currently stored operation is the n-th memory area, wherein, the n value equal to mark scalar FLAG is divided by the remainder of the number of pre-assigned memory area.
The present invention by storing in memory by data to be stored in the way of switching memory area in turn, the utilization rate making memorizer reaches to maximize, and change memory area dividing condition when supporting not revise software and enable the storage of different parameters, reduce the loaded down with trivial details of amendment software.
Embodiment two
Embodiments of the invention two provide a kind of memorizer that extends and use the method for reading data of time, are the further technical schemes carried out on the basis of embodiment one.Fig. 3 is the method flow diagram of the embodiment of the present invention two, refer to Fig. 3, and the method for the embodiment of the present invention comprises the following steps:
Step S201, the indexed variable FLAG read in each memory area；
Step S202, indexed variable FLAG according to each memory area judge the memory area at latest data place；
Step S203, read the data of memory area corresponding to above-mentioned judged result as valid data.
The detailed process of described step S202 is as follows:
The relatively size of the indexed variable FLAG of each memory area, using the memory area maximum for the indexed variable FLAG memory area as latest data place.
Embodiment three
Embodiments of the invention three provide a kind of memorizer that extends and use the data-storage system of time, and Fig. 4 is the structured flowchart of the embodiment of the present invention three, refer to Fig. 4, and the renewal system of the embodiment of the present invention includes memory area distribution module 1 and data processing module 2；
Described memory area distribution module 1, for being the data to be stored more than one memory areas of distribution in advance in memory；
Described data processing module 2, for, in data storage procedure, storing data to be stored in memory in the way of switching memory area in turn.
Described data processing module 2 includes indexed variable setting module 21, memory area selects module 22 and writing module 23；
Described indexed variable setting module 21, is used for as one indexed variable FLAG of data setting to be stored；
Described memory area selects module 22, during for write data, determines currently stored operation is by which memory area is data to be stored write according to indexed variable FLAG；
Said write module 23, for writing, by data to be stored and indexed variable FLAG thereof, the memory area that memory area selects to determine in module.
In described indexed variable setting module 21, indexed variable FLAG initial value is 0, often stores this mark scalar FLAG cumulative 1 before a secondary data；
Described memory area selects in module 22, it is determined that data to be stored are write the process of which memory area by currently stored operation is:
Remembering that the memory area that data to be stored are write by currently stored operation is the n-th memory area, wherein, the n value equal to mark scalar FLAG is divided by the remainder of the number of pre-assigned memory area.
Embodiment four
Embodiments of the invention four provide a kind of memorizer that extends and use the data reading system of time, are the further technical schemes carried out on the basis of embodiment three.Refer to Fig. 5, the data reading system of the embodiment of the present invention four includes indexed variable read module 3, judge module 4 and performs module 5；
Described indexed variable read module 3, for reading the indexed variable FLAG in each memory area；；
Described judge module 4, for judging the memory area at latest data place according to the indexed variable FLAG of each memory area；
Described execution module 5, is used for the data reading memory area corresponding to above-mentioned judged result as valid data.
The judge process of described judge module 4 is as follows:
The relatively size of the indexed variable FLAG of each memory area, using the memory area maximum for the indexed variable FLAG memory area as latest data place.
It should be noted that at this, a kind of memorizer that extends that above-described embodiment provides uses the data reading system of time, only it is illustrated with the division of above-mentioned each functional module, in practical application, as desired above-mentioned functions distribution can be completed by different functional modules, it is divided into different functional modules, to complete all or part of function described above by the internal structure of system.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method can be by the hardware that program carrys out instruction relevant and completes, described program can in being stored in a computer read/write memory medium, described storage medium, such as ROM/RAM, disk, CD etc..
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any spirit without departing from the present invention and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. extend memorizer and use the date storage method of time, it is characterised in that comprise the following steps:
(1) it is that data to be stored distribute more than one memory area in advance in memory；
(2), in data storage procedure, data to be stored are stored in memory in the way of switching memory area in turn.
2. prolongation memorizer according to claim 1 uses the date storage method of time, it is characterised in that described step (2) comprises the following steps:
(21) for one indexed variable FLAG of data setting to be stored；
(22), during write data, determine currently stored operation is by which memory area is data to be stored write according to indexed variable FLAG；
(23) memory area will determined in data to be stored and indexed variable FLAG write step (22) thereof.
3. the memorizer that extends described in 2 uses the date storage method of time as requested, it is characterised in that in described step (21), indexed variable FLAG initial value is 0, often stores this mark scalar FLAG cumulative 1 before a secondary data；
Described step (22) being determined, data to be stored are write the process of which memory area and are by currently stored operation:
Remembering that the memory area that data to be stored are write by currently stored operation is the n-th memory area, wherein, the n value equal to mark scalar FLAG is divided by the remainder of the number of pre-assigned memory area.
4. based on the method for reading data of the date storage method extending the memorizer use time described in claim 2, it is characterised in that comprise the following steps:
A reads the indexed variable FLAG in each memory area；
B judges the memory area at latest data place according to the indexed variable FLAG of each memory area；
C reads the data of memory area corresponding to above-mentioned judged result as valid data.
5. method for reading data according to claim 4, it is characterised in that the process of described step B is as follows:
The relatively size of the indexed variable FLAG of each memory area, using the memory area maximum for the indexed variable FLAG memory area as latest data place.
6. extend memorizer and use the data-storage system of time, it is characterised in that this system includes memory area distribution module and data processing module；
Described memory area distribution module, for being the data to be stored more than one memory areas of distribution in advance in memory；
Described data processing module, for, in data storage procedure, storing data to be stored in memory in the way of switching memory area in turn.
7. prolongation memorizer according to claim 6 uses the data-storage system of time, it is characterised in that described data processing module includes indexed variable setting module, memory area selects module and writing module；
Described indexed variable setting module, is used for as one indexed variable FLAG of data setting to be stored；
Described memory area selects module, during for write data, determines currently stored operation is by which memory area is data to be stored write according to indexed variable FLAG；
Said write module, for writing, by data to be stored and indexed variable FLAG thereof, the memory area that memory area selects to determine in module.
8. prolongation memorizer according to claim 7 uses the data-storage system of time, it is characterised in that in described indexed variable setting module, indexed variable FLAG initial value is 0, and before often storing a secondary data, this mark scalar FLAG adds up 1；
Described memory area selects in module, it is determined that data to be stored are write the process of which memory area by currently stored operation is:
Remembering that the memory area that data to be stored are write by currently stored operation is the n-th memory area, wherein, the n value equal to mark scalar FLAG is divided by the remainder of the number of pre-assigned memory area.
9. based on the data reading system of the data-storage system extending the memorizer use time described in claim 7, it is characterised in that this system includes indexed variable read module, judge module and performs module；
Described read module, for reading the indexed variable FLAG in each memory area；；
Described judge module, for judging the memory area at latest data place according to the indexed variable FLAG of each memory area；
Described execution module, is used for the data reading memory area corresponding to above-mentioned judged result as valid data.
10. data reading system according to claim 9, it is characterised in that the judge process of described judge module is as follows:
The relatively size of the indexed variable FLAG of each memory area, using the memory area maximum for the indexed variable FLAG memory area as latest data place.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610071036.8A CN105760112B (en) | 2016-02-01 | 2016-02-01 | Extend date storage method, read method and the system of memory use time |
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| CN201610071036.8A CN105760112B (en) | 2016-02-01 | 2016-02-01 | Extend date storage method, read method and the system of memory use time |
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| CN106847341A (en) * | 2016-12-23 | 2017-06-13 | 鸿秦（北京）科技有限公司 | The memory bank self-checking unit and method of a kind of pure electric automobile integrated information storage device |
| CN108121663A (en) * | 2016-11-29 | 2018-06-05 | 群联电子股份有限公司 | Date storage method, memory storage apparatus and memorizer control circuit unit |
| CN108776627A (en) * | 2018-05-29 | 2018-11-09 | 青岛海尔科技有限公司 | A kind of date storage method, device, read method and device |
| CN112817527A (en) * | 2021-01-21 | 2021-05-18 | 深圳市显控科技股份有限公司 | Power failure data storage method, single chip microcomputer and computer readable storage medium |
| WO2021120068A1 (en) * | 2019-12-18 | 2021-06-24 | 深圳市汇顶科技股份有限公司 | Method for managing power supply state of memory, and chip |
| CN112817527B (en) * | 2021-01-21 | 2024-06-04 | 深圳市显控科技股份有限公司 | Power-down data storage method, singlechip and computer-readable storage medium |
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