CN108038035A - A kind of detection method and relevant apparatus of flash reading and writing state - Google Patents
A kind of detection method and relevant apparatus of flash reading and writing state Download PDFInfo
- Publication number
- CN108038035A CN108038035A CN201711294915.8A CN201711294915A CN108038035A CN 108038035 A CN108038035 A CN 108038035A CN 201711294915 A CN201711294915 A CN 201711294915A CN 108038035 A CN108038035 A CN 108038035A
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- flash memory
- write
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
-
- 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
- G06F3/0619—Improving the reliability of storage systems in relation to data integrity, e.g. data losses, bit errors
-
- 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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- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Computer Hardware Design (AREA)
- Quality & Reliability (AREA)
- Computer Security & Cryptography (AREA)
- Read Only Memory (AREA)
Abstract
The invention discloses a kind of detection method of flash reading and writing state, and the described method includes the flash memory for calling carry；Pre-set file is write into the flash memory；When it is described the write-in failure of pre-set file is write into the flash memory when, the read-write state for determining the flash memory is read-only；Detection method disclosed in this invention, can write pre-set file into flash memory, if write-in failure, then it represents that system is that the read-write state of that is, described flash memory is read-only with read-only state carry by the flash memory；If writing successfully, the read-write state of the flash memory is read-write.By the above method, the current read-write state of flash memory can be detected in advance, avoid, when needing in useful data write-in flash memory, just finding since the read-write state of flash memory can not perform write operation to be read-only, so as to avoid influencing the operation of whole system；Present invention also offers relevant apparatus, equally with above-mentioned beneficial effect.
Description
Technical field
The present invention relates to state-detection field, detection method and related dress more particularly to a kind of flash reading and writing state
Put.
Background technology
As science and technology is constantly progressive in recent years, this storage medium of flash memory is applied more and more in people's daily life
Extensively.Flash memory will not be lost as a kind of nonvolatile memory, after power is turned off data, be often used as system disk storage
Related data.
The advantages of flash memory is that access speed ratio is very fast, noiseless, and radiate small, small volume etc., but in use
Its stability has been short of.System is sometimes by flash memory with read-only state carry, in write-in data in needing toward flash memory, just
There is a situation where flash memory can not be write data into, the operation of whole system can be influenced whether at this time.
The content of the invention
The object of the present invention is to provide a kind of detection method of flash reading and writing state, the read-write state of flash memory can be detected；
Another object of the present invention is to provide a kind of relevant apparatus for detecting flash reading and writing state, the read-write shape of flash memory can be detected
State.
In order to solve the above technical problems, the present invention provides a kind of detection method of flash reading and writing state, the described method includes：
Call the flash memory of carry；
Pre-set file is write into the flash memory；
When it is described the write-in failure of pre-set file is write into the flash memory when, determine the read-write state of the flash memory
To be read-only.
Optionally, the pre-set file is empty file.
Optionally, after the read-write state for determining the flash memory is read-only, further include：
Return and report and characterize the error message that pre-set file write-in failure is write into the flash memory.
Optionally, the error message is the error code of written document error.
Optionally, the flash memory for calling carry includes：
Judge whether the memory block of the flash memory is full, if it is not, then calling the flash memory.
Present invention also offers a kind of detection device of flash reading and writing state, described device includes：
Calling module：For calling the flash memory of carry；
Writing module：For writing pre-set file into the flash memory；
Determining module：For when it is described the write-in failure of pre-set file is write into the flash memory when, determine described
The read-write state of flash memory is read-only.
Optionally, described device further includes：
Reporting modules：Pre-set file write-in failure is write into the flash memory for returning to and reporting that characterization is described
Error message.
Optionally, the calling module is specifically used for：
Judge whether the memory block of the flash memory is full, if it is not, then calling the flash memory.
Present invention also offers a kind of detection device of flash reading and writing state, including：
Memory：For storing computer program；
Processor：The detection side of flash reading and writing state described in any of the above-described is realized during for performing the computer program
The step of method.
Present invention also offers a kind of computer-readable recording medium, meter is stored with the computer-readable recording medium
Calculation machine program, the computer program realize the detection method of flash reading and writing state described in any of the above-described when being executed by processor
The step of.
A kind of detection method of flash reading and writing state provided by the present invention, can write pre-set text into flash memory
Part, if write-in failure, then it represents that system is that the read-write state of that is, described flash memory is only with read-only state carry by the flash memory
Read；If writing successfully, the read-write state of the flash memory is read-write.By the above method, it can detect that flash memory is worked as in advance
Preceding read-write state, avoids, when needing in useful data write-in flash memory, just finding the read-write state due to flash memory for only
Read and write operation can not be performed, so as to avoid influencing the operation of whole system.
Present invention also offers a kind of detection device of flash reading and writing state, a kind of flash reading and writing state detection device and
A kind of computer-readable recording medium, equally with above-mentioned beneficial effect, is no longer repeated herein.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or the technical solution of the prior art
Attached drawing is briefly described needed in technology description, it should be apparent that, drawings in the following description are only this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
The flow chart for the first flash reading and writing condition detection method that Fig. 1 is provided by the embodiment of the present invention；
The flow chart for second of flash reading and writing condition detection method that Fig. 2 is provided by the embodiment of the present invention；
Fig. 3 is a kind of structure diagram of the detection device of flash reading and writing state provided in an embodiment of the present invention；
Fig. 4 is a kind of structure diagram of the detection device of flash reading and writing state provided in an embodiment of the present invention.
Embodiment
The core of the present invention is to provide a kind of detection method of flash reading and writing state.Flash memory its stability in use
It has been short of.To find out its cause, be often as flash memory when handling some orders, for example, host section of processing order when, respond
Can not in time, so as to cause file system to read time-out in the data stored in reading flash memory.After time-out is read,
System can be by flash memory with read-only state carry, but system needs to hang flash memory with read-write state under normal circumstances
Carry.Can not be toward data be write in flash memory, so as to influence the operation of whole system which results in user.
And a kind of detection method of flash reading and writing state provided by the present invention, it can be write into flash memory pre-set
File, if write-in failure, then it represents that system is that the read-write state of that is, described flash memory is only with read-only state carry by the flash memory
Read；If writing successfully, the read-write state of the flash memory is read-write.By the above method, it can detect that flash memory is worked as in advance
Preceding read-write state, avoids, when needing in useful data write-in flash memory, just finding the read-write state due to flash memory for only
Read and write operation can not be performed, so as to avoid influencing the operation of whole system.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiment is only part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
Please refer to Fig.1, the flow for the first flash reading and writing condition detection method that Fig. 1 is provided by the embodiment of the present invention
Figure, this method include：
S101：Call the flash memory of carry；
In embodiments of the present invention, usually when system starts, system can be by flash memory carry.Should be in normal state
With flash memory described in read-write state carry, but since flash memory is when handling some orders, such as the order of host sections of processing
When, response can not in time, so as to cause file system to read time-out in the data stored in reading flash memory.It is super when reading
When after, system can be by flash memory with read-only state carry.
In this step, the flash memory of carry can be first called, using the beginning as following each steps.
S102：Pre-set file is write into flash memory.
In this step, pre-set file first can be automatically write into above-mentioned flash memory.Two kinds of feelings occur at this time
Condition：
The first：Write pre-set file into flash memory to write successfully, it is meant that this subsystem is with can by flash memory
The state of read-write carries out carry.
Second：Pre-set file write-in failure is write into flash memory, it is meant that this subsystem is with only by flash memory
The state of reading carries out carry.
No matter there is which kind of above-mentioned situation, can determine the read-write state of current flash.
Further, above-mentioned pre-set file can be arranged to empty file, i.e., can be write in this step into flash memory
Enter an empty file.Since empty file contains only the essential informations such as filename, a position in file allocation table can be occupied,
But the memory space in flash memory itself is hardly taken up, in other words, only only takes up the storage of a least unit in flash memory
Space.By the way that file is arranged to empty file, the memory space in flash memory can be greatly saved.
S103：When writing pre-set file write-in failure into flash memory, the read-write state for determining flash memory is read-only.
In this step, when writing above-mentioned file write-in failure into flash memory, the read-write state of the flash memory is determined that
To be read-only；When writing above-mentioned file into flash memory and writing successfully, the read-write state for equally determining the flash memory is read-write.
A kind of detection method of flash reading and writing state provided by the present invention, can write pre-set text into flash memory
Part, if write-in failure, then it represents that system is that the read-write state of that is, described flash memory is only with read-only state carry by the flash memory
Read；If writing successfully, the read-write state of the flash memory is read-write.By the above method, it can detect that flash memory is worked as in advance
Preceding read-write state, avoids, when needing in useful data write-in flash memory, just finding the read-write state due to flash memory for only
Read and write operation can not be performed, so as to avoid influencing the operation of whole system.
In the present invention, when writing pre-set file write-in failure into the flash memory, can further return
Return and report an error message, the particular content in relation to the error message will do in following inventive embodiments and retouch in detail
State.
Please refer to Fig.2, the flow for second of flash reading and writing condition detection method that Fig. 2 is provided by the embodiment of the present invention
Figure, this method include：
S201：Judge whether the memory block of flash memory is full, if it is not, then performing S202；If so, then terminate flow.
In this step, before the flash memory described in foregoing invention embodiment is called, can first judge to store in flash memory
Whether block is full, if memory block is full in flash memory, even if system is to be hung the flash memory with read-write state
Carry, also without new data are stored in the normal direction flash memory, at this time system either by the flash memory with read-only state carry or
It is that the flash memory is all changed without normal direction in actual mechanical process and file is automatically write in flash memory with read-write state carry,
Difference is judged to the read-write state of flash memory described in system carry.So when this step judging result is yes, then can directly tie
Line journey；If judging result is no, following flows can be continued.
S202：Call the flash memory of carry.
This step is identical with S101 in foregoing invention embodiment, and detailed content is made specifically in foregoing invention embodiment
It is bright, no longer repeated herein.
S203：Pre-set file is write into flash memory.
S204：When writing pre-set file write-in failure into flash memory, the read-write state for determining flash memory is read-only.
In embodiments of the present invention, S203 and S204 is identical with S102 and S103 in foregoing invention embodiment respectively, in detail
Content refer to foregoing invention embodiment, no longer carry out expansion description herein.
S205：Return and report that characterization writes the error message of pre-set file write-in failure into flash memory.
In this step, i.e., can after S203 write-in failures when the read-write state that flash memory is confirmed in S204 is read-only
To return to and report error message, which, which characterizes, writes pre-set file write-in failure into flash memory.Usual feelings
Under condition, the error message is the error code that written document as defined in industry malfunctions.Certainly, the error message there may also be other
The form of expression, pre-set file write-in failure this content is write into flash memory as long as can characterize, is implemented in the present invention
It is not especially limited in example.
Further, when in S204, pre-set file being write into flash memory writing successfully, the flash memory is determined
Read-write state to be read-write, the pre-set file that can will write flash memory in S203 at this time is deleted, that is, is deleted
The pre-set file, to save the memory space of the flash memory.
A kind of detection method of flash reading and writing state provided by the present invention, can first pass through and judge memory block in flash memory
It is whether full, to improve the accuracy for judging flash reading and writing state.And reminded by way of returning and reporting error message
The read-write state of user's current flash is read-only, it is necessary to be repaired accordingly.
A kind of detection device of flash reading and writing state provided in an embodiment of the present invention is introduced below, it is described below
Detection device can correspond reference with above-described detection method.
Fig. 3 is a kind of structure diagram of the detection device of flash reading and writing state provided in an embodiment of the present invention, reference Fig. 3,
The detection device can include：
Calling module 100：For calling the flash memory of carry.
Writing module 200：For writing pre-set file into flash memory.
Determining module 300：For when writing pre-set file write-in failure into flash memory, determining the read-write of flash memory
State is read-only.
In embodiments of the present invention, said write module 200 can be specifically used for：
Pre-set file is write into flash memory, pre-set file is empty file.
In embodiments of the present invention, described device may further include：
Reporting modules 400：For returning to and reporting that characterization writes the mistake of pre-set file write-in failure into flash memory
False information.
In embodiments of the present invention, the reporting modules 400 can be specifically used for：
Return and report that characterization writes the error message of pre-set file write-in failure into flash memory, error message is
The error code of written document error.
In embodiments of the present invention, the calling module 100 can be specifically used for：
Judge whether the memory block of flash memory is full, if it is not, then calling flash memory.
The detection device of the present embodiment is used for realization foregoing detection method, therefore the embodiment in detection device
It can be seen that the embodiment part of detection method hereinbefore, for example, calling module 100, writing module 200, determining module 300, point
Step S101, S102 and S103 in above-mentioned detection method are not used for realization, so, its embodiment is referred to accordingly
The description of various pieces embodiment, details are not described herein.
A kind of detection device of flash reading and writing state provided in an embodiment of the present invention is introduced below, it is described below
Detection device can correspond reference with above-described detection method and detection device.
Fig. 4 is a kind of structure diagram of the detection device of flash reading and writing state provided in an embodiment of the present invention, reference Fig. 4,
The detection device can include processor 500 and memory 600.
The memory 600 is used to store computer program；When the processor 500 is used to perform the computer program
Realize the detection method described in foregoing invention embodiment.
Processor 500 is used to install the detection device described in above-mentioned inventive embodiments in the detection device of the present embodiment,
Simultaneous processor 500 is combined the detection method that can be realized described in foregoing invention embodiment with memory 600.Therefore detect
The embodiment part of the visible detection method hereinbefore of embodiment in equipment, its embodiment are referred to phase
The description for the various pieces embodiment answered, details are not described herein.
Present invention also offers a kind of computer-readable recording medium, meter is stored with the computer-readable recording medium
Calculation machine program, the computer program realize the detection method described in foregoing invention embodiment when being executed by processor.Its
Remaining content is referred to the prior art, no longer carries out expansion description herein.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be with it is other
The difference of embodiment, between each embodiment same or similar part mutually referring to.For dress disclosed in embodiment
For putting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is referring to method part
Explanation.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes each exemplary composition and step according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical solution.Specialty
Technical staff can realize described function to each specific application using distinct methods, but this realization should not
Think beyond the scope of this invention.
Can directly it be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The detection method and relevant apparatus of a kind of flash reading and writing state provided by the present invention have been carried out in detail above
Introduce.Specific case used herein is set forth the principle of the present invention and embodiment, the explanation of above example
It is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that the ordinary skill people for the art
For member, without departing from the principle of the present invention, some improvement and modification can also be carried out to the present invention, these improve and
Modification is also fallen into the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. detection method of flash reading and writing state, it is characterised in that the described method includes：Call the flash memory of carry；Pre-set file is write into the flash memory；When it is described the write-in failure of pre-set file is write into the flash memory when, determine the read-write state of the flash memory for only Read.
- 2. according to the method described in claim 1, it is characterized in that, the pre-set file is empty file.
- 3. according to the method described in claim 1, it is characterized in that, it is described determine the flash memory read-write state for it is read-only it Afterwards, further include：Return and report and characterize the error message that pre-set file write-in failure is write into the flash memory.
- 4. according to the method described in claim 3, it is characterized in that, the error message is the error code of written document error.
- 5. method according to any one of claims 1 to 4, it is characterised in that the flash memory for calling carry includes：Judge whether the memory block of the flash memory is full, if it is not, then calling the flash memory.
- 6. a kind of detection device of flash reading and writing state, it is characterised in that described device includes：Calling module：For calling the flash memory of carry；Writing module：For writing pre-set file into the flash memory；Determining module：For when it is described the write-in failure of pre-set file is write into the flash memory when, determine the flash memory Read-write state to be read-only.
- 7. device according to claim 6, it is characterised in that described device further includes：Reporting modules：The mistake that pre-set file write-in failure is write into the flash memory is characterized for returning and reporting False information.
- 8. the device according to claim 6 or 7, it is characterised in that the calling module is specifically used for：Judge whether the memory block of the flash memory is full, if it is not, then calling the flash memory.
- A kind of 9. detection device of flash reading and writing state, it is characterised in that including：Memory：For storing computer program；Processor：The flash reading and writing state as described in any one of claim 1 to 5 being realized during for performing the computer program The step of detection method.
- 10. a kind of computer-readable recording medium, it is characterised in that be stored with computer on the computer-readable recording medium Program, realizes the inspection of the flash reading and writing state as described in any one of claim 1 to 5 when the computer program is executed by processor The step of survey method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294915.8A CN108038035A (en) | 2017-12-08 | 2017-12-08 | A kind of detection method and relevant apparatus of flash reading and writing state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294915.8A CN108038035A (en) | 2017-12-08 | 2017-12-08 | A kind of detection method and relevant apparatus of flash reading and writing state |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111090539A (en) * | 2019-10-30 | 2020-05-01 | 苏州浪潮智能科技有限公司 | Dual-flash-memory self-repairing method and device based on CPLD |
| CN113282240A (en) * | 2021-05-24 | 2021-08-20 | 深圳市盈和致远科技有限公司 | Storage space data read-write method, equipment, storage medium and program product |
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| US20050088941A1 (en) * | 2003-10-24 | 2005-04-28 | Liang-Tang Huang | Method for erasing a re-writable disk |
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| CN111090539A (en) * | 2019-10-30 | 2020-05-01 | 苏州浪潮智能科技有限公司 | Dual-flash-memory self-repairing method and device based on CPLD |
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