CN107329971A - The file system synchronization update method of double terminal access wireless U-discs - Google Patents
The file system synchronization update method of double terminal access wireless U-discs Download PDFInfo
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- CN107329971A CN107329971A CN201710371226.6A CN201710371226A CN107329971A CN 107329971 A CN107329971 A CN 107329971A CN 201710371226 A CN201710371226 A CN 201710371226A CN 107329971 A CN107329971 A CN 107329971A
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- terminal
- file
- write operation
- storage area
- data storage
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/16—File or folder operations, e.g. details of user interfaces specifically adapted to file systems
- G06F16/162—Delete operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/176—Support for shared access to files; File sharing support
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/178—Techniques for file synchronisation in file systems
Abstract
The embodiments of the invention provide the file system synchronization update method of a kind of pair of terminal access wireless U-disc.Methods described includes：First terminal, which is received, asks the file write operation of data storage area on wireless U-disc；Asked according to file write operation, first terminal carries out alignment processing on data storage area；The pin level of D+ interfaces on wireless U-disc is set to high level by first terminal；First terminal receives the access of second terminal data memory area, so that second terminal synchronizes renewal processing to the data storage area after processing.The file write operation that first terminal receives the data memory area that second terminal is sent by D+ interfaces on wireless U-disc is asked；Asked according to file write operation, first terminal judges whether second terminal has completed the write operation of data memory area；If having completed write operation, first terminal synchronizes renewal processing to the file system module that first terminal includes according to the data storage area for having completed write operation.
Description
Technical field
The present invention relates to numeral taking photo technology field, the control field of smart home, File Sharing Technique field is especially related to
And the file system synchronization update method of a kind of pair of terminal access wireless U-disc.
Background technology
USB flash disk, full name USB (English：Universal Serial Bus, referred to as：USB) flash disk (English：
USB flash disk).It is a kind of miniature high power capacity product without phisical drive of use USB interface, leads to
Cross USB interface to be connected with computer, realize plug and play.USB main equipment (English can also have been accessed：USB HOST) interface its
His smart machine, such as smart mobile phone.
Wireless U-disc extends wireless transmission function relative to traditional USB flash disk, and it can be real by way of wireless access
Show itself exchange files with other-end equipment, i.e. terminal device is uploaded data in wireless U-disc, can also be from wireless U-disc
In download the data to it is local.Wireless U-disc is as one of node of wireless network, with multiple-working mode, typical Working mould
Formula includes：Access point (English：Access Point, referred to as：AP) pattern, website (English：Station) pattern, Wi-Fi direct
(English：Wi-Fi Direct) pattern, it is point-to-point (English：Ad-hoc) pattern, wireless U-disc is depended in which kind of mode of operation
The usage scenario of equipment.
But, existing wireless U-disc carries out exchange files with terminal device and following defects also occurs：1) when wireless U-disc data
After the data variation of memory block, multiple second ends that the first terminal for loading wireless U-disc software systems can not be with access wireless U-disc
End carries out data syn-chronization, can not sharing data in time between terminal；2) first terminal or second terminal are deposited to the data of wireless U-disc
When storage area carries out write operation, because first terminal can not carry out real time data synchronization with second terminal so that first terminal or the
The write operation of two SS laters does not carry out the data of real-time synchronization before covering, cause the data of first terminal or second terminal
Lose, reduce user experience.
The content of the invention
The embodiments of the invention provide the file system synchronization update method of a kind of pair of terminal access wireless U-disc, realize
Timely sharing data between the data of real-time synchronization first terminal and second terminal, terminal, it is ensured that first terminal or second is eventually
The follow-up write operation in end does not carry out the data of real-time synchronization before will not covering, data are not easy to lose, improve user experience.
In a first aspect, the embodiments of the invention provide the file system synchronization renewal of a kind of pair of terminal access wireless U-disc
Method, methods described includes：
First terminal, which is received, asks the file write operation of data storage area on wireless U-disc in the first terminal；
When file write operation request is the establishment file write operation requests, the first terminal is in the data
Establishment file on memory block；
When file write operation request is the deletion file write operation request, the first terminal is in the data
File is deleted on memory block；
The pin level of D+ interfaces on the wireless U-disc is set to high level by the first terminal；
The first terminal receives access of the second terminal to the data storage area, so that the second terminal pair
Create the data storage area after the file and synchronize renewal processing, or, to deleting the number after the file
Renewal processing is synchronized according to memory block.
Alternatively, the first terminal is received writes behaviour to the file of data storage area on wireless U-disc in the first terminal
Ask, specifically include：
The file write operation to data storage area on the wireless U-disc that the first terminal receives intelligent terminal transmission please
Ask；Or
The file system module that the first terminal receives the first terminal and included send to number on the wireless U-disc
Asked according to the file write operation of memory block.
Alternatively, the first terminal is received writes behaviour to the file of data storage area on wireless U-disc in the first terminal
After asking, methods described also includes：
The first terminal is periodically detected whether the second terminal carries out write operation to the data storage area；
If the first terminal is not detected by the second terminal and write operation is carried out to the data storage area, described
The pin level of D+ interfaces on the wireless U-disc is set to low level by first terminal, so as to be created in the first terminal
When file or deletion file, the second terminal stops the access to the D+ interfaces.
Alternatively, the first terminal is on the data storage area after establishment file, and methods described also includes：
The first terminal receives the file data that intelligent terminal is sent；
The first terminal writes the file data in the file created.
Alternatively, methods described also includes：
The first terminal receives the second terminal by the D+ interfaces transmission on the wireless U-disc to the data
The file write operation request of memory block；
Asked according to the file write operation, the first terminal judges whether the second terminal has been completed to the number
According to the write operation of memory block；
If the first terminal detects the second terminal and has completed write operation to the data storage area, institute
First terminal is stated according to the data storage area for having completed write operation, the file system module that the first terminal includes is entered
The processing of row synchronized update；
If the first terminal detects the unfinished write operation to the data storage area of the second terminal, institute
State the designated sector that the data sent when the second terminal is performed write operation by first terminal write the data storage area.
Alternatively, methods described also includes：
When the first terminal, which detects the second terminal, carries out write operation to the data storage area, described first
Terminal forbids carrying out write operation to the file of the data storage area.
Alternatively, methods described also includes：
The first terminal receives the access request that intelligent terminal is sent, and the access request is used to make the intelligent terminal
The data storage area is checked.
In second aspect, the embodiments of the invention provide the file system synchronization renewal of a kind of pair of terminal access wireless U-disc
Method, methods described includes：
When the pin level of the D+ interfaces in first terminal on wireless U-disc is high level, second terminal is to the wireless U
Data storage area conducts interviews on disk；
The second terminal synchronizes renewal processing to the data storage area after establishment file, or, to deleting
The data storage area after file synchronizes renewal processing.
Alternatively, methods described also includes：
When the pin level of the D+ interfaces on the wireless U-disc is low level, second terminal stops to the D+ interfaces
Access.
Alternatively, methods described also includes：
The second terminal is sent to the data storage by the D+ interfaces on the wireless U-disc to the first terminal
The file write operation request in area；
The second terminal sends data to the first terminal so that the first terminal write said data to it is described
The designated sector of data storage area.
Alternatively, the file write operation request specifically includes establishment file write operation requests or deletes file write operation
Request.
In the third aspect, the embodiments of the invention provide the file system synchronization renewal of a kind of pair of terminal access wireless U-disc
Device, applied to first terminal, described device includes：
Receiving unit, for receiving to the file write operation of data storage area is asked on wireless U-disc in the first terminal；
Creating unit, for when file write operation request is the establishment file write operation requests, in the number
According to establishment file on memory block；
Unit is deleted, for when file write operation request is the deletion file write operation request, in the number
According to deleting file on memory block；
Setting unit, for the pin level of the D+ interfaces on the wireless U-disc to be set into high level；
Access unit, for receiving access of the second terminal to the data storage area, so that the second terminal
Renewal processing is synchronized to creating the data storage area after the file, or, described in deleting after the file
Data storage area synchronizes renewal processing.
Alternatively, the receiving unit specifically for, receive intelligent terminal send to data storage on the wireless U-disc
The file write operation request in area；Or
The text to data storage area on the wireless U-disc that the file system module that receiving the first terminal includes is sent
Part write operation requests.
Alternatively, described device also includes：
Detection unit, for being periodically detected whether the second terminal carries out write operation to the data storage area；
The setting unit is additionally operable to, if being not detected by the second terminal enters row write behaviour to the data storage area
Make, then the pin level of the D+ interfaces on the wireless U-disc is set to low level, so that in the first terminal establishment file
Or when deleting file, the second terminal stops the access to the D+ interfaces.
Alternatively, the receiving unit is additionally operable to, and receives the file data that intelligent terminal is sent；
Described device also includes：Writing unit, for the file data to be write in the file created.
Alternatively, the receiving unit is additionally operable to, and is received the second terminal and is sent out by the D+ interfaces on the wireless U-disc
The file write operation to the data storage area sent is asked；
Described device also includes：Judging unit, for being asked according to the file write operation, judges that the second terminal is
The no write operation completed to the data storage area；
Updating block, if having completed write operation to the data storage area for detecting the second terminal,
According to the data storage area for having completed write operation, renewal is synchronized to the file system module that the first terminal includes
Processing；
Said write unit is additionally operable to, if the first terminal detects the second terminal and do not completed to the data
The write operation of memory block, the then data sent when the second terminal is performed write operation by the first terminal write the data
The designated sector of memory block.
Alternatively, described device also includes：
Processing unit, for entering row write behaviour to the data storage area when the first terminal detects the second terminal
When making, the first terminal is forbidden to carry out write operation to the file of the data storage area.
Alternatively, the receiving unit is additionally operable to, and receives the access request that intelligent terminal is sent, and the access request is used for
The intelligent terminal is set to check the data storage area.
In fourth aspect, the embodiments of the invention provide the file system synchronization renewal of a kind of pair of terminal access wireless U-disc
Device, applied to second terminal, described device includes：
Access unit, for when the pin level of the D+ interfaces in first terminal on wireless U-disc is high level, to described
Data storage area conducts interviews on wireless U-disc；
Updating block, for synchronizing renewal processing to the data storage area after establishment file, or, to deleting
The data storage area after file synchronizes renewal processing.
Alternatively, described device also includes：
Processing unit, for when the pin level of the D+ interfaces on the wireless U-disc is low level, stopping to the D+
The access of interface.
Alternatively, described device also includes：
The data are deposited by transmitting element for being sent by the D+ interfaces on the wireless U-disc to the first terminal
The file write operation request of storage area；
Data are sent to the first terminal, so that the first terminal writes said data to the data storage area
Designated sector.
Alternatively, the file write operation request specifically includes establishment file write operation requests or deletes file write operation
Request.
Compared to prior art, first terminal, which is received, asks the file write operation of data storage area on wireless U-disc.According to
File write operation is asked, and first terminal creates or deleted file on data storage area.First terminal meets the D+ on wireless U-disc
The pin level of mouth is set to high level, and receives the access of second terminal data memory area, so that second terminal is to creating
Data storage area after file synchronizes renewal processing, or, synchronize renewal to deleting the data storage area after file
Processing.The file system synchronization update method of provided in an embodiment of the present invention pair of terminal access wireless U-disc realizes real-time synchronization
Timely sharing data between the data of first terminal and second terminal, terminal；Simultaneously, it is ensured that first terminal or second terminal
Follow-up write operation does not carry out the data of real-time synchronization before will not covering, data are not easy to lose, improves user experience.
Brief description of the drawings
The system that Fig. 1 updates for the file system synchronization of a kind of pair of terminal access wireless U-disc provided in an embodiment of the present invention
Configuration diagram；
Fig. 2 for another pair of terminal access wireless U-disc provided in an embodiment of the present invention file system synchronization update be
System configuration diagram；
Fig. 3 is for what the file system synchronization of another double terminal access wireless U-disc provided in an embodiment of the present invention updated
System configuration diagram；
Fig. 4 is the file system synchronization update method stream of a kind of pair of terminal access wireless U-disc provided in an embodiment of the present invention
Cheng Tu；
Fig. 5 is the file system synchronization update method of another pair of terminal access wireless U-disc provided in an embodiment of the present invention
Flow chart；
Fig. 6 is write operation flow chart of the synchronous first terminal of second terminal provided in an embodiment of the present invention to wireless U-disc；
Fig. 7 is write operation flow chart of the synchronous second terminal of first terminal provided in an embodiment of the present invention to wireless U-disc；
Fig. 8 is the file system synchronization updating device knot of a kind of pair of terminal access wireless U-disc provided in an embodiment of the present invention
Structure schematic diagram；
Fig. 9 is the file system synchronization updating device of another pair of terminal access wireless U-disc provided in an embodiment of the present invention
Structural representation.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, institute
The embodiment of description is only a part of embodiment of the 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 are obtained under the premise of creative work is not paid, belongs to this hair
The scope of bright protection.
Fig. 1-Fig. 3 is refer to, Fig. 1 is the file system of a kind of pair of terminal access wireless U-disc provided in an embodiment of the present invention
The system architecture schematic diagram of synchronized update；Fig. 2 is the file of another pair of terminal access wireless U-disc provided in an embodiment of the present invention
The system architecture schematic diagram that system synchronization updates；Fig. 3 is another double terminal access wireless U-disc provided in an embodiment of the present invention
The system architecture schematic diagram that file system synchronization updates.System architecture provided in an embodiment of the present invention is by first terminal, the second end
End and intelligent terminal are constituted.
In embodiments of the present invention, first terminal is specially the software systems operated on wireless U-disc, and the system passes through interior
The integrated file system in portion conducts interviews to the data storage area of wireless U-disc.Second terminal refers to by usb bus physical interface
The equipment for accessing wireless U-disc.Second terminal can include notebook computer, smart camera etc..Intelligent terminal can include intelligence
Mobile phone, tablet personal computer, wearable device etc. possess the mobile device of WiFi function.
Include file system module and wireless U-disc data memory module in first terminal.File system module and nothing
Line USB flash disk data memory module is connected by internal bus.File system module is integrated in inside first terminal, wireless U-disc data
Memory module includes data storage area, and the data such as video and audio, photo, word are stored in data storage area.First terminal is also wrapped
The software system module of wireless U-disc can be run by including, and the software system module can be accessed on wireless U-disc by file system module
Data storage area, the data of data memory area memory storage are written and read operation.First terminal also includes network access module,
The module can make first terminal set up wireless communication connection with intelligent terminal, and the module can be specially WiFi function module.
In the embodiment of the present invention, the module is not illustrated individually, but the module is merged with file system module and provided.In reality
In, file system module can be individually present with network access module, or merge presence.
Second terminal includes usb bus and corresponding physical interface, and the is accessed by usb bus and physical interface
Data storage area on wireless U-disc in one terminal, the data of data memory area memory storage are written and read operation.
Intelligent terminal includes WiFi function module.By WiFi function module intelligent terminal directly or indirectly with insertion the
Wireless U-disc in two terminals sets up communication connection, accesses the data of data storage area memory storage.Intelligent terminal also include have to
Wireless U-disc uploads data, downloading data or deletes application (APP) or network (web) browser of data.Wherein, using (APP)
The data synchronization updating frequency of intelligent terminal and wireless U-disc can be set, for example, carrying out a data syn-chronization more every 1 hour
Newly.Also include upper arq mode, automatic downloading mode and manual intervention pattern automatically using (APP).Automatic downloading mode, that is, answering
The assigned catalogue and data type needed with being set on (APP) on the wireless U-disc downloaded automatically.Using (APP) according to setting
Data synchronization updating frequency accesses wireless U-disc automatically, checks assigned catalogue, the time of specified type with the presence or absence of renewal, if
In the presence of renewal, then intelligent terminal is voluntarily downloaded to；Automatically upper arq mode, i.e., set needs to be automatically uploaded in application (APP)
Assigned catalogue and data type on wireless U-disc, it is local according to the data synchronization updating frequency automatic detection of setting using (APP)
The data of specified type if there is renewal, are then voluntarily uploaded to wireless U-disc with the presence or absence of updating；Manual intervention pattern, refers to
It can just carry out, can enter for any catalogue, any type of data after leading to artificial selection using (APP) upload or downloading data
OK.
In Fig. 1-Fig. 3, intelligent terminal can pass through wireless U-disc in plurality of access modes (direct or indirect) and second terminal
Set up communication connection.In Fig. 1, intelligent terminal can directly be set up with wireless U-disc by the WiFi function module of itself and wirelessly be connected
Connect.In fig. 2, intelligent terminal first passes through LAN WiFi or by RJ45 network interface access in radio wireless routers, wireless routing
Device sets up wireless connection by WiFi network and wireless U-disc again.In figure 3, intelligent terminal first passes through LAN WiFi or passed through
RJ45 network interfaces the first wireless router of access in radio, the first wireless router passes through Internet Server and the second wireless routing again
Device is connected, and the second last wireless router sets up wireless connection by WiFi network and wireless U-disc.
It is understood that describe intelligent terminal by way of example above sets up the side of wireless connection with wireless U-disc
Formula, in actual applications, is not restricted to this.
Below in conjunction with the accompanying drawings 4, the scheme that embodiments of the invention are provided is illustrated.Fig. 4 carries for the embodiment of the present invention
The file system synchronization update method flow chart of a kind of pair of terminal access wireless U-disc supplied, in the process, executive agent is
First terminal.The write operation that methods described is done by second terminal synchronized update first terminal to wireless U-disc.Specifically include following
Step：
Step 410, first terminal are received please to the file write operation of data storage area on wireless U-disc in the first terminal
Ask.
Specifically, the file write operation to data storage area on wireless U-disc that first terminal reception intelligent terminal is sent please
Ask；Or
First terminal receives the text to data storage area on wireless U-disc for the file system module transmission that first terminal includes
Part write operation requests.
In embodiments of the present invention, the write operation requests, which specifically include establishment file write operation and delete file, writes behaviour
Make.
Step 420, when the file write operation request be the establishment file write operation requests when, the first terminal exists
Establishment file on the data storage area.
Specifically, when first terminal determines the file write operation request received for establishment file write operation requests, first eventually
End establishment file on data storage area.
Step 430, when the file write operation request for it is described deletion file write operation request when, the first terminal exists
File is deleted on the data storage area.
Specifically, first terminal determines the file write operation request received to delete during file write operation request, and first eventually
File is deleted on data storage area in end.
The pin level of D+ interfaces on the wireless U-disc is set to high level by step 440, the first terminal.
Specifically, when the pin level of the D+ interfaces on wireless U-disc is set to high level by first terminal, second terminal can
Conducted interviews by D+ interfaces data memory area.
Step 450, the first terminal receive the access of the second terminal to the data storage area, so that described the
The data storage area that two terminal-pairs are created after the file synchronizes renewal processing, or, to deleting after the file
The data storage area synchronize renewal processing.
Specifically, second terminal determines that the pin level of the D+ interfaces on wireless U-disc is set to high level, second terminal pair
Data storage area conducts interviews.If the write operation of first terminal is establishment file, second terminal can check first terminal
The file of establishment, second terminal synchronizes renewal processing to the data storage area after establishment file, or, if first terminal
Write operation be delete file, then second terminal can not check again first terminal delete file, but second terminal to delete text
Data storage area after part synchronizes renewal processing.
In embodiments of the present invention, when the pin level of the D+ interfaces on wireless U-disc is set to high level by first terminal,
First terminal simulation wireless U-disc insertion, second terminal meeting re-enumeration wireless U-disc, and according to the data storage area of first terminal
Renewal processing is synchronized, and the follow-up write operation to wireless U-disc of second terminal will not also cover the write operation of first terminal.
Therefore, in embodiments of the present invention, first terminal is received asks to the file write operation of data storage area on wireless U-disc
Ask.Asked according to file write operation, first terminal creates or deleted file on data storage area.First terminal is by wireless U-disc
On the pin levels of D+ interfaces be set to high level, and receive the access of second terminal data memory area, so that second eventually
End synchronizes renewal processing to the data storage area after establishment file, or, carried out to deleting the data storage area after file
Synchronized update processing.The file system synchronization update method of provided in an embodiment of the present invention pair of terminal access wireless U-disc is realized
Can not sharing data in time between the data of real-time synchronization first terminal and second terminal, terminal；Simultaneously, it is ensured that first eventually
End or the follow-up write operation of second terminal do not carry out the data of real-time synchronization before will not covering, data are not easy to lose, improve and use
Family Experience Degree.
Alternatively, first terminal is received asks it to the file write operation of data storage area on wireless U-disc in first terminal
Afterwards, in addition to the pin level of the D+ interfaces on wireless U-disc is set to low level step by first terminal.
Specifically, first terminal be periodically detected second terminal whether data memory area carry out write operation；If first
Terminal is not detected by second terminal data memory area and carries out write operation, then first terminal drawing the D+ interfaces on wireless U-disc
Pin level is set to low level, so that in first terminal establishment file or deletion file, second terminal stops to D+ interfaces
Access.If first terminal detects second terminal data memory area and carries out write operation, it is right that first terminal terminates this
The write operation of data storage area, no longer data memory area carry out write operation.
Alternatively, when the file write operation that first terminal is received asks to be intelligent terminal transmission to data on wireless U-disc
During the file write operation request of memory block, first terminal is on data storage area after establishment file, and first terminal receives intelligence
The step of terminal sends file data.
Specifically, first terminal receives the file data that intelligent terminal is sent；File data is write and created by first terminal
File in.
Alternatively, in the embodiment of the present invention, in addition to writing of being done to wireless U-disc of first terminal synchronized update second terminal
The step of operation.
Specifically, first terminal receives the data memory area that second terminal is sent by the D+ interfaces on wireless U-disc
File write operation is asked；Asked according to file write operation, first terminal judges whether second terminal has completed data memory area
Write operation；If first terminal detects the write operation that second terminal has completed data memory area, first terminal according to
The data storage area of write operation has been completed, renewal processing is synchronized to the file system module that first terminal includes；If the
One terminal detects the write operation that second terminal does not complete data memory area, then second terminal is performed write operation by first terminal
When the data that send write the designated sector of data storage area.
Alternatively, in embodiments of the present invention, row write behaviour is entered when first terminal detects second terminal data memory area
When making, first terminal forbids the file of data memory area to carry out write operation, to ensure current time, only exists a terminal-pair
The file of data storage area carries out write operation, improves data safety, also improves user experience.
Alternatively, in embodiments of the present invention, the file of the mutual data memory area of first terminal, second terminal, data
Synchronize after renewal processing, first terminal can also receive the access request of intelligent terminal transmission, the access request is used to make
Intelligent terminal data memory area is checked.
Intelligent terminal also can data memory area carry out file write operation, for example, upper transmitting file is to data storage area, in number
According to establishment, deletion file etc. in memory block.Intelligent terminal can also download file into local storage from data storage area.
In one example, in wireless U-disc insertion digital camera, under automatic downloading mode, shooting process need not be interrupted,
Without manually operating, you can realize photo files, on video file automatic synchronization to intelligent terminal, user according to the actual requirements,
Both can locally preview, related edit can be carried out again, and share internet.
In wireless U-disc insertion digital camera, file is uploaded to nothing by intelligent terminal by application (APP) or web browser
After line USB flash disk, without inserting and drawing wireless USB flash disk again, re-powered without digital camera, the file of upload just can be by digital camera
Detect.If what is uploaded is the photo or video file that digital camera can be parsed, digital camera can be with the preview photo
Or play the video file, and digital camera continue to take pictures or record a video after will not cover the file of upload.
In wireless U-disc insertion digital camera, intelligent terminal deletes wireless U-disc by application (APP) or web browser
After specified file, without inserting and drawing wireless USB flash disk again, re-powered without digital camera, digital camera can not check deletion
File.
In another example, wireless U-disc insertion computer (or other can access USB flash disk equipment) can be copied on computer
Any file of shellfish is to wireless U-disc.Under automatic downloading mode, if the file of copy is to set the file type downloaded automatically,
Without manually operating, you can realize any file automatic synchronization to intelligent terminal.User can according to the actual requirements, both can be with
It is local to read, can also real-time sharing to internet；
Wireless U-disc insertion computer (or other can access USB flash disk equipment), intelligent terminal, which passes through, applies (APP) or network
Browser is uploaded files to after wireless U-disc, without inserting and drawing wireless USB flash disk again, you can to check, access the text uploaded on computers
Part, and computer any file newly-built on wireless U-disc will not cover the file of upload.
Wireless U-disc insertion computer (or other can access USB flash disk equipment), intelligent terminal, which passes through, applies (APP) or network
Browser is deleted on wireless U-disc after the specified file of data storage area, and without inserting and drawing wireless USB flash disk again, computer can not be checked and deleted
The file removed.
In another example, if wireless U-disc inserts multimedia play equipment, and the file uploaded is audio or regarded
Frequency file, then without inserting and drawing wireless USB flash disk, multimedia player just can detect and play the multimedia file of upload in real time.From
Dynamic upper arq mode is significant to multimedia play equipment, as long as in wireless U-disc insertion multimedia play equipment, working as wireless U-disc
Set up with intelligent terminal after connection, the multimedia file increased newly on intelligent terminal just can be simplified with automatic synchronization to wireless U-disc
The shared flow of multimedia file.
Below in conjunction with the accompanying drawings 5, the scheme that embodiments of the invention are provided is illustrated.Fig. 5 carries for the embodiment of the present invention
Another file system synchronization update method flow chart supplied, in the process, executive agent is second terminal.Methods described
The write operation done by second terminal synchronized update first terminal to wireless U-disc.Specifically include following steps：
Step 510, when the D+ interfaces in first terminal on wireless U-disc pin level be high level when, second terminal pair
Data storage area conducts interviews on the wireless U-disc.
Specifically, the pin level of the D+ interfaces on wireless U-disc is set to high level by first terminal.When drawing for D+ interfaces
When pin level is high level, second terminal can be conducted interviews by D+ interfaces data memory area.
Step 520, the second terminal synchronize renewal processing to the data storage area after establishment file, or
Person, renewal processing is synchronized to deleting the data storage area after file.
Specifically, second terminal data memory area conducts interviews.If the write operation of first terminal is establishment file,
Second terminal can check the file that first terminal is created, and second terminal is synchronized more to the data storage area after establishment file
New processing, or, if the write operation of first terminal is to delete file, second terminal can not check what first terminal was deleted again
File, but second terminal synchronizes renewal processing to deleting the data storage area after file.
In embodiments of the present invention, when the pin level of the D+ interfaces on wireless U-disc is set to high level by first terminal,
First terminal simulation wireless U-disc insertion, second terminal meeting re-enumeration wireless U-disc, and according to the data storage area of first terminal
Renewal processing is synchronized, and the follow-up write operation to wireless U-disc of second terminal will not also cover the write operation of first terminal.
Therefore, in embodiments of the present invention, first terminal is received asks to the file write operation of data storage area on wireless U-disc
Ask.Asked according to file write operation, first terminal creates or deleted file on data storage area.First terminal is by wireless U-disc
On the pin levels of D+ interfaces be set to high level, and receive the access of second terminal data memory area, so that second eventually
End synchronizes renewal processing to the data storage area after establishment file, or, carried out to deleting the data storage area after file
Synchronized update processing.The file system synchronization update method of provided in an embodiment of the present invention pair of terminal access wireless U-disc is realized
Can not sharing data in time between the data of real-time synchronization first terminal and second terminal, terminal；Simultaneously, it is ensured that first eventually
End or the follow-up write operation of second terminal do not carry out the data of real-time synchronization before will not covering, data are not easy to lose, improve and use
Family Experience Degree.
Alternatively, the embodiment of the present invention also includes when the pin level of D+ interfaces is set to low level, and second terminal is stopped
The step of only being conducted interviews to D+ interfaces.
Specifically, first terminal be periodically detected second terminal whether data memory area carry out write operation；If first
Terminal is not detected by second terminal data memory area and carries out write operation, then first terminal drawing the D+ interfaces on wireless U-disc
Pin level is set to low level, so that in first terminal establishment file or deletion file, second terminal stops to D+ interfaces
Access.If first terminal detects second terminal data memory area and carries out write operation, it is right that first terminal terminates this
The write operation of data storage area, no longer data memory area carry out write operation.
Alternatively, methods described also includes：Second terminal is asked the file write operation of the data storage area of first terminal
The step of.
Specifically, second terminal sends the file of data memory area by the D+ interfaces on wireless U-disc to first terminal
Write operation requests；The file of second terminal data memory area carries out write request, and the write request includes establishment file or deletion
File.Second terminal sends data to first terminal, so that first terminal writes data into the designated sector of data storage area.
Below in conjunction with the accompanying drawings 6, accompanying drawing 7, is illustrated to the scheme that embodiments of the invention are provided.Fig. 6 is real for the present invention
Write operation flow chart of the synchronous first terminal of second terminal to wireless U-disc of example offer is provided.Fig. 7 is provided in an embodiment of the present invention
Write operation flow chart of the first terminal synchronization second terminal to wireless U-disc.
Write operation of the second terminal synchronization first terminal to wireless U-disc：
First terminal receives the request of upper transmitting file that intelligent terminal sent by WiFi network or itself establishment file
Request, first terminal establishment file on the data storage area of wireless U-disc by file system module.Or, first terminal connects
Receive the request for the deletion file that intelligent terminal is sent by WiFi network or itself delete the request of file, first terminal passes through text
Part system module deletes the specified file on the data storage area of wireless U-disc.
It is understood that either establishment file still deletes file, it is write operation for wireless U-disc.
First terminal judges whether second terminal carries out write operation in the data storage area to wireless U-disc, if it is not,
The level of the pin of D+ interfaces on wireless U-disc is set to low level by first terminal.First terminal simulates wireless U-disc from second
Extracted in terminal, it is ensured that first terminal is in establishment file, and second terminal can not conduct interviews to D+ interfaces.If so, then
One terminal stops this processing.
If the write operation of first terminal is establishment file, first terminal also receives the data of intelligent terminal transmission, and
Write data into the file of establishment.Meanwhile, first terminal also judges whether intelligent terminal has sent data, if intelligent terminal
Data are sent, then first terminal is completed after write operation, and the level of the pin of D+ interfaces is set into high level.First terminal mould
Intend wireless U-disc insertion, second terminal meeting re-enumeration wireless U-disc, and carry out synchronized update processing, now, second terminal is follow-up
The write operation of first terminal will not be covered to the write operation of wireless U-disc.Otherwise, first terminal continues to intelligent terminal transmission
Data.
If the write operation of first terminal is establishment file, second terminal can check the file that first terminal is created,
If first terminal write operation is to delete file, second terminal can not view the file of first terminal deletion again.
In embodiments of the present invention, first terminal is by controlling the level change modeling wireless U-disc of the pins of D+ interfaces
Into and out realization is to the data storage area of wireless U-disc with synchronizing renewal and write-protect.
Write operation of the first terminal synchronization second terminal to wireless U-disc：
Second terminal is sent to data on wireless U-disc by the D+ interfaces on wireless U-disc in first terminal to first terminal
The file write operation request of memory block.Second terminal completes file write operation by D+ interfaces data memory area.
It is understood that when second terminal data memory area carries out file write operation, first terminal is forbidden to data
The file of memory block carries out write operation.
First terminal periodically judges whether second terminal has completed the write operation of data memory area；If first terminal
The write operation that second terminal has completed data memory area is detected, then first terminal is according to the data storage for having completed write operation
Area, renewal processing is synchronized to the file system module that first terminal includes, to allow file system module to recognize the
The file write operation of two terminal-pair data storage areas；If first terminal detects second terminal and does not complete data memory area
Write operation, the then data sent when second terminal is performed write operation by first terminal write the designated sector of data storage area.
First terminal is synchronized to file system module after renewal processing, run on intelligent terminal and wireless U-disc
The application (APP) matched somebody with somebody or the web browser of matching operation can conduct interviews to wireless U-disc, the text checked after synchronized update
Part.If the file write operation request of second terminal is establishment file write operation requests, intelligent terminal can check second terminal
The file of establishment；If the file write operation request of second terminal is to delete file write operation request, intelligent terminal can not be again
The file that second terminal is deleted is checked, but intelligent terminal can synchronize renewal processing to deleting the data storage area after file.
The file system synchronization update method of double terminal access wireless U-discs can be achieved in the content of above-described embodiment description,
Correspondingly, the embodiment of the present invention additionally provides the file system synchronization updating device of a kind of pair of terminal access wireless U-disc, to reality
The file system synchronization update method of the double terminal access wireless U-discs provided in existing previous embodiment.The device is applied to first
Terminal.As shown in figure 8, described device includes：Receiving unit 801, creating unit 802, delete unit 803, setting unit 804 with
And access unit 805.
The receiving unit 801, for receiving to the file of data storage area writes behaviour on wireless U-disc in the first terminal
Ask；
Creating unit 802, for when file write operation request is the establishment file write operation requests, described
Establishment file on data storage area；
Unit 803 is deleted, for when file write operation request is the deletion file write operation request, described
File is deleted on data storage area；
Setting unit 804, for the pin level of the D+ interfaces on the wireless U-disc to be set into high level；
Access unit 805, for receiving access of the second terminal to the data storage area, so that described second is whole
Hold and synchronize renewal processing to creating the data storage area after the file, or, to deleting the institute after the file
State data storage area and synchronize renewal processing.
Alternatively, the receiving unit 801 specifically for, receive intelligent terminal send to data on the wireless U-disc
The file write operation request of memory block；Or
The text to data storage area on the wireless U-disc that the file system module that receiving the first terminal includes is sent
Part write operation requests.
Alternatively, described device also includes：Detection unit 806, for whether being periodically detected the second terminal to institute
State data storage area and carry out write operation；
The setting unit 804 is additionally operable to, if be not detected by the second terminal enters row write to the data storage area
Operation, then be set to low level by the pin level of the D+ interfaces on the wireless U-disc, so that the first terminal is creating text
When part or deletion file, the second terminal stops the access to the D+ interfaces.
Alternatively, the receiving unit 801 is additionally operable to, and receives the file data that intelligent terminal is sent；
Described device also includes：Writing unit 807, for the file data to be write in the file created.
Alternatively, the receiving unit 801 is additionally operable to, and is received the second terminal and is connect by the D+ on the wireless U-disc
The file write operation to the data storage area that mouth is sent is asked；
Described device also includes：Judging unit 808, for being asked according to the file write operation, judges described second eventually
Whether end has completed the write operation to the data storage area；
Updating block 809, if having completed write operation to the data storage area for detecting the second terminal,
Then according to the data storage area for having completed write operation, the file system module that the first terminal includes is synchronized more
New processing；
Said write unit 807 is additionally operable to, if the first terminal detects the second terminal and do not completed to described
The write operation of data storage area, the then data sent when the second terminal is performed write operation by the first terminal are write described
The designated sector of data storage area.
Alternatively, described device also includes：
Processing unit 810, for being carried out when the first terminal detects the second terminal to the data storage area
During write operation, the first terminal is forbidden to carry out write operation to the file of the data storage area.
Alternatively, the receiving unit 801 is additionally operable to, and receives the access request that intelligent terminal is sent, the access request
For making the intelligent terminal check the data storage area.
Therefore, the file system synchronization more new clothes of provided in an embodiment of the present invention pair of terminal access wireless U-disc of application are passed through
Put, first terminal, which is received, asks the file write operation of data storage area on wireless U-disc.Asked according to file write operation, first
Terminal creates or deleted file on data storage area.The pin level of D+ interfaces on wireless U-disc is set to by first terminal
High level, and receive the access of second terminal data memory area, so that second terminal is to the data storage area after establishment file
Renewal processing is synchronized, or, synchronize renewal processing to deleting the data storage area after file.The embodiment of the present invention is carried
The file system synchronization updating device of the double terminal access wireless U-discs supplied realizes real-time synchronization first terminal and second terminal
Can not sharing data in time between data, terminal；Simultaneously, it is ensured that first terminal or second terminal follow-up write operation will not
The data of real-time synchronization are not carried out before covering, data are not easy to lose, improve user experience.
The file system synchronization update method of double terminal access wireless U-discs can be achieved in the content of above-described embodiment description,
Correspondingly, the embodiment of the present invention additionally provides the file system synchronization updating device of another pair of terminal access wireless U-disc, is used to
The file system synchronization update method of the double terminal access wireless U-discs provided in previous embodiment is provided.The device is applied to the
Two terminals.As shown in figure 9, described device includes：Access unit 910 and updating block 920.
The access unit 910, for being high level when the pin level of the D+ interfaces in first terminal on wireless U-disc
When, data storage area on the wireless U-disc is conducted interviews；
Updating block 920, for synchronizing renewal processing to the data storage area after establishment file, or, it is right
Delete the data storage area after file and synchronize renewal processing.
Alternatively, described device also includes：
Processing unit 930, for when the pin level of the D+ interfaces on the wireless U-disc is low level, stopping to institute
State the access of D+ interfaces.
Alternatively, described device also includes：
Transmitting element 940, for being sent by the D+ interfaces on the wireless U-disc to the first terminal to the data
The file write operation request of memory block；
Data are sent to the first terminal, so that the first terminal writes said data to the data storage area
Designated sector.
Alternatively, the file write operation request specifically includes establishment file write operation requests or deletes file write operation
Request.
Therefore, the file system synchronization more new clothes of provided in an embodiment of the present invention pair of terminal access wireless U-disc of application are passed through
Put, first terminal, which is received, asks the file write operation of data storage area on wireless U-disc.Asked according to file write operation, first
Terminal creates or deleted file on data storage area.The pin level of D+ interfaces on wireless U-disc is set to by first terminal
High level, and receive the access of second terminal data memory area, so that second terminal is to the data storage area after establishment file
Renewal processing is synchronized, or, synchronize renewal processing to deleting the data storage area after file.The embodiment of the present invention is carried
The file system synchronization update method of the double terminal access wireless U-discs supplied realizes real-time synchronization first terminal and second terminal
Can not sharing data in time between data, terminal；Simultaneously, it is ensured that first terminal or second terminal follow-up write operation will not
The data of real-time synchronization are not carried out before covering, data are not easy to lose, improve user experience.
Professional should further appreciate that, each example described with reference to the embodiments described herein
Unit and algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, hard in order to clearly demonstrate
The interchangeability of part and software, generally describes the composition and step of each example according to function in the above description.
These functions are performed with hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.
Professional and technical personnel can realize described function to each specific application using distinct methods, but this realize
It is not considered that beyond the scope of this invention.
The method that is described with reference to the embodiments described herein can use hardware, computing device the step of algorithm
Software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only storage
(ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known to interior.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (22)
1. the file system synchronization update method of a kind of pair of terminal access wireless U-disc, it is characterised in that methods described includes：
First terminal, which is received, asks the file write operation of data storage area on wireless U-disc in the first terminal；
When file write operation request is the establishment file write operation requests, the first terminal is in the data storage
Establishment file in area；
When file write operation request is the deletion file write operation request, the first terminal is in the data storage
File is deleted in area；
The pin level of D+ interfaces on the wireless U-disc is set to high level by the first terminal；
The first terminal receives access of the second terminal to the data storage area, so that the second terminal is to creating
The data storage area after the file synchronizes renewal processing, or, deposited to deleting the data after the file
Storage area synchronizes renewal processing.
2. according to the method described in claim 1, it is characterised in that the first terminal is received to wireless in the first terminal
The file write operation request of data storage area, is specifically included on USB flash disk：
The first terminal receives the file write operation request to data storage area on the wireless U-disc that intelligent terminal is sent；
Or
The first terminal receives being deposited to data on the wireless U-disc for the file system module transmission that the first terminal includes
The file write operation request of storage area.
3. according to the method described in claim 1, it is characterised in that the first terminal is received to wireless in the first terminal
On USB flash disk after the file write operation request of data storage area, methods described also includes：
The first terminal is periodically detected whether the second terminal carries out write operation to the data storage area；
If the first terminal is not detected by the second terminal and carries out write operation, described first to the data storage area
The pin level of D+ interfaces on the wireless U-disc is set to low level by terminal, so that in the first terminal establishment file
Or when deleting file, the second terminal stops the access to the D+ interfaces.
4. according to the method described in claim 1, it is characterised in that the first terminal creates text on the data storage area
After part, methods described also includes：
The first terminal receives the file data that intelligent terminal is sent；
The first terminal writes the file data in the file created.
5. according to the method described in claim 1, it is characterised in that methods described also includes：
The first terminal receives the second terminal by the D+ interfaces transmission on the wireless U-disc to the data storage
The file write operation request in area；
Asked according to the file write operation, the first terminal judges whether the second terminal has completed to deposit the data
The write operation of storage area；
If the first terminal detects the second terminal and has completed write operation to the data storage area, described
One terminal is according to the data storage area for having completed write operation, and the file system module included to the first terminal carries out same
Walk renewal processing；
If the first terminal detects the second terminal and not completed to the write operation of the data storage area, described the
The data that one terminal is sent when the second terminal is performed into write operation write the designated sector of the data storage area.
6. method according to claim 5, it is characterised in that methods described also includes：
When the first terminal, which detects the second terminal, carries out write operation to the data storage area, the first terminal
Forbid carrying out write operation to the file of the data storage area.
7. according to the method described in claim 1, it is characterised in that methods described also includes：
The first terminal receives the access request that intelligent terminal is sent, and the access request is used to make the intelligent terminal to institute
Data storage area is stated to be checked.
8. the file system synchronization update method of a kind of pair of terminal access wireless U-disc, it is characterised in that methods described includes：
When the pin level of the D+ interfaces in first terminal on wireless U-disc is high level, second terminal is on the wireless U-disc
Data storage area conducts interviews；
The second terminal synchronizes renewal processing to the data storage area after establishment file, or, to deleting file
The data storage area afterwards synchronizes renewal processing.
9. method according to claim 8, it is characterised in that methods described also includes：
When the pin level of the D+ interfaces on the wireless U-disc is low level, second terminal stops the visit to the D+ interfaces
Ask.
10. method according to claim 8, it is characterised in that methods described also includes：
The second terminal is sent to the data storage area by the D+ interfaces on the wireless U-disc to the first terminal
File write operation is asked；
The second terminal sends data to the first terminal, so that the first terminal writes said data to the data
The designated sector of memory block.
11. the method according to claim 9 or 10, it is characterised in that the file write operation request specifically includes establishment
File write operation request is asked or deleted to file write operation.
12. the file system synchronization updating device of a kind of pair of terminal access wireless U-disc, applied to first terminal, it is characterised in that
Described device includes：
Receiving unit, for receiving to the file write operation of data storage area is asked on wireless U-disc in the first terminal；
Creating unit, for when file write operation request is the establishment file write operation requests, being deposited in the data
Establishment file in storage area；
Unit is deleted, for when file write operation request is the deletion file write operation request, being deposited in the data
File is deleted in storage area；
Setting unit, for the pin level of the D+ interfaces on the wireless U-disc to be set into high level；
Access unit, for receiving access of the second terminal to the data storage area, so that the second terminal is to wound
The data storage area built after the file synchronizes renewal processing, or, to deleting the data after the file
Memory block synchronizes renewal processing.
13. device according to claim 12, it is characterised in that the receiving unit is specifically for receiving intelligent terminal
The file write operation to data storage area on the wireless U-disc sent is asked；Or
The file to data storage area on the wireless U-disc that the file system module that receiving the first terminal includes is sent is write
Operation requests.
14. device according to claim 12, it is characterised in that described device also includes：
Detection unit, for being periodically detected whether the second terminal carries out write operation to the data storage area；
The setting unit is additionally operable to, if be not detected by the second terminal carries out write operation to the data storage area,
The pin level of D+ interfaces on the wireless U-disc is set to low level so that in the first terminal establishment file or
When deleting file, the second terminal stops the access to the D+ interfaces.
15. device according to claim 12, it is characterised in that the receiving unit is additionally operable to, receives intelligent terminal hair
The file data sent；
Described device also includes：Writing unit, for the file data to be write in the file created.
16. device according to claim 15, it is characterised in that the receiving unit is additionally operable to, receives described second eventually
The file write operation to the data storage area that end is sent by the D+ interfaces on the wireless U-disc is asked；
Described device also includes：Whether judging unit, for being asked according to the file write operation, judge the second terminal
Complete the write operation to the data storage area；
Updating block, if having completed write operation to the data storage area, basis for detecting the second terminal
The data storage area of write operation has been completed, the file system module that the first terminal includes has been synchronized at renewal
Reason；
Said write unit is additionally operable to, if the first terminal detects the second terminal and do not completed to the data storage
The write operation in area, the then data sent when the second terminal is performed write operation by the first terminal write the data storage
The designated sector in area.
17. device according to claim 16, it is characterised in that described device also includes：
Processing unit, for carrying out write operation to the data storage area when the first terminal detects the second terminal
When, forbid the first terminal to carry out write operation to the file of the data storage area.
18. device according to claim 12, it is characterised in that the receiving unit is additionally operable to, receives intelligent terminal hair
The access request sent, the access request is used to make the intelligent terminal check the data storage area.
19. the file system synchronization updating device of a kind of pair of terminal access wireless U-disc, applied to second terminal, it is characterised in that
Described device includes：
Access unit, for when the pin level of the D+ interfaces in first terminal on wireless U-disc is high level, to described wireless
Data storage area conducts interviews on USB flash disk；
Updating block, for synchronizing renewal processing to the data storage area after establishment file, or, to deleting file
The data storage area afterwards synchronizes renewal processing.
20. device according to claim 19, it is characterised in that described device also includes：
Processing unit, for when the pin level of the D+ interfaces on the wireless U-disc is low level, stopping to the D+ interfaces
Access.
21. device according to claim 19, it is characterised in that described device also includes：
Transmitting element, for being sent by the D+ interfaces on the wireless U-disc to the first terminal to the data storage area
File write operation request；
Data are sent to the first terminal, so that the first terminal writes said data to specifying for the data storage area
Sector.
22. the device according to claim 20 or 21, it is characterised in that the file write operation request specifically includes establishment
File write operation request is asked or deleted to file write operation.
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| CN201710371226.6A CN107329971A (en) | 2017-05-23 | 2017-05-23 | The file system synchronization update method of double terminal access wireless U-discs |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371226.6A CN107329971A (en) | 2017-05-23 | 2017-05-23 | The file system synchronization update method of double terminal access wireless U-discs |
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| CN116455887A (en) * | 2023-02-15 | 2023-07-18 | 深圳市光逸科技创新有限公司 | File transmission method and device |
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