CN106383796A - Host operation system type identification method and system - Google Patents
Host operation system type identification method and system Download PDFInfo
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- CN106383796A CN106383796A CN201610907096.9A CN201610907096A CN106383796A CN 106383796 A CN106383796 A CN 106383796A CN 201610907096 A CN201610907096 A CN 201610907096A CN 106383796 A CN106383796 A CN 106383796A
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- operating system
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- main frame
- host operating
- host
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stored Programmes (AREA)
Abstract
The invention discloses a host operation system type identification method. The method comprises the steps of mounting a readable-writable USB memory device to a host; in response to a folder generation request of the host, generating a first folder in a root directory of mounting; monitoring an operation behavior of the host to the first folder generated in the root directory, and obtaining currently operated folder information; and identifying a currently connected host operation system type according to the currently operated folder information. The invention furthermore discloses a host operation system type identification system. The currently connected operation system of the USB device can be conveniently and accurately identified, thereby facilitating subsequent installation of corresponding applications.
Description
Technical field
The present invention relates to operating system application, more particularly, to a kind of recognition methods of host operating system type and be
System.
Background technology
Continually developing with USB device, increasing USB device is applied to different fields.For example, it is based on
The wireless screen transmission technology of USB, only USB device need to be connected on computer the current picture it is possible to by the computer connecting
It is sent on predetermined display screen.
Before USB device is operated, USB device needs the operating system of the current computer connecting of identification, to pacify
Dress and the current corresponding application software of operating system connecting or drive software.A kind of side of existing at present identification operating system
Method is to enumerate the difference of USB device process according to operating system, judges, at USB device end, the operating system that USB device is connected.
But if USB device connects on a virtual machine, the process due to enumerating is completed by host (running the environment of virtual machine), so
And the environment of actual motion is the operating system of virtual machine.If host system is different with virtual system, mistake will be identified.
For example, user connects USB device to Windows virtual machine, and this virtual machine operates on OSX host, due to equipment piece
The process lifted is completed by OSX system, and equipment will thinking of mistake oneself be connected in OSX system, thus providing OSX system institute
The software needing, but this software normally cannot run on Windows virtual machine, so can cause software with operating system not
Join, in turn result in the problem that cannot use.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of recognition methods of host operating system type and be
System, can accurately judge the operating system of the actual connection of USB device.
The invention provides a kind of recognition methods of host operating system type, methods described includes：
It is expressed as read-write USB storage device carry to main frame；
The file responding described main frame generates request, generates the first file under the root of carry；
Monitor the operation behavior to the first file generating under described root for the described main frame, acquisition is currently operated
Folder information；
According to the current host operating system type connecting of the described folder information currently being operated identification.
Preferably, described read-write USB storage device carry to the step of main frame that is expressed as is specially：
It is expressed as read-write portable hard drive carry to main frame.
Preferably, the form of the disk mirroring of carry is FAT32.
Preferably, described main frame includes the read-write to file place sector to the operation behavior of described first file.
Preferably, described folder information includes title and/or the type of file.
Preferably, the host operating system that described basis is currently connected with the identification of the described folder information currently being operated
The step of type is specially：
If the described file that currently operated is the RECYCLER file corresponding to Windows operating system, when
The host operating system of front connection is Windows operating system；
If the described file that currently operated is the .DS_STORE file corresponding to OSX operating system, currently connect
The host operating system connecing is OSX operating system.
Preferably, the host operating system that described basis is currently connected with the identification of the described folder information currently being operated
After the step of type, also include：
Disconnect current disk mirroring, and load disk mirroring corresponding with host operating system type, install and work as with described
The corresponding application program of host operating system type of front connection.
Preferably, described it is expressed as read-write USB storage device carry and also includes to after the step of main frame：
According to operating system, the enumeration process identification of USB device is executed with the OS Type of described enumeration process.
Preferably, if the described behaviour that according to operating system, the enumeration process identification of USB device is executed with described enumeration process
Make the host operating system that the type of system is currently connected with the identification of the described folder information currently being operated with described basis
Type is different, then current hosts environment is virtual machine environment, and current hosts operating system is in the operating system of host.
The present invention also provides a kind of identifying system of host operating system type, and the USB being connected with main frame including main frame is set
It is standby,
Described USB device, for itself being expressed as read-write USB storage device carry to main frame, and responds described
The file of main frame generates request, generates the first file under the root of carry；
Described main frame, for operating to the first file under described root object；
Described USB device, is additionally operable to monitor the operation behavior to the first file under described root for the described main frame, obtains
Take the folder information currently being operated, and according to the current USB device of the described folder information currently being operated identification even
The host operating system type connecing.
The recognition methods of host operating system type and system that the present invention provides, according to operating system to specific file
Reading/writing characteristics, judge the operating system of the actual connection of USB device, compared to prior art, are not affected by virtual machine environment,
Special application program need not be installed to run in computer system and operating system, you can carry out operating system identification, and
Judged result is accurate.
Brief description
In order to be illustrated more clearly that technical scheme, below by the accompanying drawing work to use required in embodiment
Simply introduce it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the recognition methods of host operating system type of one embodiment of the invention.
Fig. 2 is the structural representation of the identifying system of host operating system type of one embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1, it is the flow chart of the recognition methods of host operating system type of one embodiment of the invention, it can be by
USB device is executing, and at least comprises the steps：
S101, is expressed as read-write USB storage device carry to main frame.
In embodiments of the present invention, described USB device is after being linked into main frame, main frame after the equipment that detected accesses,
Send inquiry request, described USB device, when receiving from the inquiry request of main frame, sends the equipment description of itself to main frame
Symbol (as USB device descriptor), to be connected according to the agreement and main frame foundation of device descriptor definition, thus by described USB
Equipment is expressed as read-write USB storage device (being such as expressed as read-write portable hard drive) carry to main frame.
Wherein, device descriptor describes the Global Information of equipment, with equipment itself correspond, device descriptor by
14 field compositions, 18 bytes of overall length.
Wherein part field and implication are：
bcdUSB：The USB version number that this equipment is followed, is represented with binary-coded decimal, and USB1.1 is 0x0101, and USB2.0 is
0x0200.
bDeviceClass：Standard device class belonging to this equipment, is classified to common equipment in usb protocol.
When this field value is 0x01～0xFE, expression is defined equipment class in usb protocol, and conventional HID device class is numbered and is
0x03.
bDeviceProtocol：For representing the equipment class agreement that USB device class is adopted, its value and
BDeviceClass with bDeviceSubClass is relevant.When this field is 0, represents and do not use any equipment class agreement.If
This USB device belongs to certain equipment class and device subclass, then should continue to indicate adopted equipment class agreement.When this field is
During 0xFF, show equipment class agreement by Vendor-specific.
idVendor：For representing the ID of USB device supplier.Specify that every kind of product all must comprise one in USB tissue
Individual supplier ID, so can make main frame load suitable driver.
idProduct：For representing the ID of USB product, provided by equipment supplier.IdProduct is used for representing specific
USB device, on USB device electricity when can help usb host select suitable driver.
bcdDevice：For representing the version number of USB device, it is represented in the form of binary-coded decimal.In general
BcdDevcie is specified by equipment supplier, and usb host can be helped on USB device when electricity to select suitable driving journey
Sequence.
iManufacturer：For representing the index value of supplier's character string descriptor.The content of concrete character string is rear
Defined in the character string descriptor of face.Without supplier's character string, can set to 0.
iSerialNumber：For representing the index value of equipment Serial Number character string descriptor, if it did not, can put
For 0.
S102, the file responding described main frame generates request, generates the first file under the root of carry.
In embodiments of the present invention, described USB device can be mounted with embedded system, and the preset disk mirroring that is stored with
(form can be FAT32), after carry to described main frame, described main frame is corresponding with host operating system type by sending foundation
File request, described USB device load described disk mirroring after, respond described main frame request according to connect behaviour
Make system type and generate the first file corresponding to this OS Type being located under described root.
It should be noted that in embodiments of the present invention, described under described root corresponding to host service function system
System the first file can be：
RECYCLER file corresponding to Windows operating system.
RECYCLER file is the file being used under Windows sequence of maneuvers system, and it is mainly used in placing quilt
The file that user deletes.In Windows operating system, user all can be helped to automatically create recycle bin file, and will delete
File is saved in inside RECYCLER file.
.DS_STORE file corresponding to OSX operating system.
.DS_Store (Desktop Services Store) is that apple Mac OSX operating system is used for storing certain literary composition
Part clip icon position and the file of background picture one generic attribute.
S103, monitors the operation behavior to the first file under described root for the described main frame, obtains and is currently operated
Folder information.
In embodiments of the present invention, described main frame is specially main frame pair to the operation behavior of the first file under root
The read-write operation of this first file place sector.Wherein, file leaves on hard disk, and the file directory on hard disk is fat table,
Have recorded file position (cluster), hard disk is connected to instruction and reads certain file, by reading fat table, find associated documents and deposit
After putting position, directly positioning magnetic head goes to read file place sector.
In embodiments of the present invention, the folder information that described USB device obtains includes title and/or the class of file
Type.
S104, according to the current host operating system type connecting of the described folder information currently being operated identification.
Specifically, the title according to the file obtaining and/or the current host operating system type connecting of type identification,
For example：If the described file that currently operated is the RECYCLER file corresponding to Windows operating system, described
The current host operating system connecting of USB device is Windows operating system；
If the described file that currently operated is the .DS_STORE file corresponding to OSX operating system, described
The current host operating system connecting of USB device is OSX operating system.
The recognition methods of the host operating system type that the present invention provides, special to the read-write of specific file according to operating system
Levy, judge the operating system of the actual connection of USB device, compared to prior art, need not install special application program with
Run in computer system and operating system, you can carry out operating system identification, and judged result is accurate.
Preferably, after step s 104, also include：
S105, disconnects current disk mirroring, and loads disk mirroring corresponding with host operating system type, installs and institute
State the corresponding application program of host operating system type of current connection.
In embodiments of the present invention, described USB device can be provided with different subregions (a corresponding disk mirroring), each point
Area realizes different functions.The current disk mirroring loading is served only for judging the operating system that described USB device is connected.When obtaining
After getting the information of operating system of current connection, initial handling is used for judging that the disk mirroring of operating system is no longer necessary to, and breaks
After opening current disk mirroring, according to the difference of operating system, load disk mirroring corresponding with host operating system type, from
And the corresponding application program of host operating system type with described current connection is installed, and so that described main frame uses, for example, institute
Stating application program can be various drivings.
Preferably, also include：
S106, executes the operating system of described enumeration process according to operating system to the enumeration process identification of USB device
Type.
S107, if the described operation that according to operating system, the enumeration process identification of USB device is executed with described enumeration process
The host operating system class that the type of system is currently connected with the identification of the described folder information currently being operated with described basis
Type is different, then current hosts environment is virtual machine environment, and current hosts operating system is in the operating system of host.
In the preferred embodiment, the enumeration process identification execution institute to USB device itself also while listening for operating system
State the type of the operating system of enumeration process, then basis is enumerated the OS Type obtaining and step identified as described above
Identify that the host operating system type of the current connection obtaining is contrasted, if the two is different, show that current hosts environment is
Virtual machine environment, current hosts operating system is in the operating system of host.
Based on this preferred embodiment it can be determined that whether current hosts environment is virtual machine environment, and if virtual machine ring
Border, can also determine whether the OS Type of host and the OS Type of virtual machine, so that user is directly perceived
The described main frame of understanding running environment, facilitate follow-up various operations, such as input of software installation or control instruction etc..
Refer to Fig. 2, the embodiment of the present invention also provides a kind of identifying system of host operating system type, including main frame
The USB device 100 that 200 are connected with main frame 200, wherein：
Described USB device 100, for itself being expressed as read-write USB storage device carry to main frame 200, and rings
The file answering described main frame 200 generates request, generates the first file under the root of carry；
Described main frame 200, for operating to the first file under described root object；
Described USB device 100, is additionally operable to monitor the operation to the first file under described root for the described main frame 200
Behavior, obtains the folder information currently being operated, and identifies current USB according to the described folder information currently being operated
The host operating system type that equipment 100 connects.
The identifying system of the host operating system type that the present invention provides, is pointed to according to currently practical operating system
The read-write behavior of the specific file on USB device 100, judges the actual operating system connecting of USB device 100, compared to existing
There is technology, special application program need not be installed to run in computer system and operating system, you can carry out operating system
Identification, and judged result is accurate.
Above disclosed be only a kind of preferred embodiment of the present invention, certainly the power of the present invention can not be limited with this
Sharp scope, one of ordinary skill in the art will appreciate that realize all or part of flow process of above-described embodiment, and according to present invention power
Profit requires made equivalent variations, still falls within the scope that invention is covered.
One of ordinary skill in the art will appreciate that realizing all or part of flow process in above-described embodiment method, it is permissible
Instruct related hardware to complete by computer program, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Claims (10)
1. a kind of recognition methods of host operating system type is it is characterised in that methods described includes：
It is expressed as read-write USB storage device carry to main frame；
The file responding described main frame generates request, generates the first file under the root of carry；
Monitor the operation behavior to the first file generating under described root for the described main frame, obtain the file currently being operated
Folder information；
According to the current host operating system type connecting of the described folder information currently being operated identification.
2. host operating system type according to claim 1 recognition methods it is characterised in that described be expressed as readable
The USB storage device carry write is specially to the step of main frame：
It is expressed as read-write portable hard drive carry to main frame.
3. the recognition methods of host operating system type according to claim 1 is it is characterised in that the disk mirroring of carry
Form be FAT32.
4. the recognition methods of the host operating system type according to any one of claim 1-3 is it is characterised in that described
Main frame includes the read-write to described first file place sector to the operation behavior of described first file.
5. the recognition methods of the host operating system type according to any one of claim 1-3 is it is characterised in that described
Folder information includes title and/or the type of file.
6. host operating system type according to claim 5 recognition methods it is characterised in that described basis with described
The step of the current host operating system type connecting of folder information identification currently being operated is specially：
If the described file that currently operated is the RECYCLER file corresponding to Windows operating system, currently connect
The host operating system connecing is Windows operating system；
If the described file that currently operated is the .DS_STORE file corresponding to OSX operating system, current connect
Host operating system is OSX operating system.
7. host operating system type according to claim 3 recognition methods it is characterised in that described basis with described
After the current step of host operating system type connecting of folder information identification currently being operated, also include：
Disconnect current disk mirroring, and load disk mirroring corresponding with host operating system type, install and currently connect with described
The corresponding application program of host operating system type connecing.
8. the recognition methods of the host operating system type according to any one of claim 1-3 is it is characterised in that described
It is expressed as read-write USB storage device carry also to include to after the step of main frame：
According to operating system, the enumeration process identification of USB device is executed with the OS Type of described enumeration process.
9. host operating system type according to claim 8 recognition methods it is characterised in that：
If the type of the described operating system that according to operating system, the enumeration process identification of USB device is executed with described enumeration process
Different from the host operating system type that described basis and the identification of the described folder information currently being operated currently are connected, then when
Front hosted environment is virtual machine environment, and current hosts operating system is in the operating system of host.
10. a kind of identifying system of host operating system type, the USB device being connected with main frame including main frame, its feature exists
In：
Described USB device, for itself being expressed as read-write USB storage device carry to main frame, and responds described main frame
File generate request, generate the first file under the root of carry；
Described main frame, for operating to the first file under described root object；
Described USB device, is additionally operable to monitor the operation behavior to the first file under described root for the described main frame, obtains and works as
The front folder information being operated, and identify what current USB device was connected according to the described folder information currently being operated
Host operating system type.
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| CN201610907096.9A CN106383796B (en) | 2016-10-18 | 2016-10-18 | A kind of recognition methods and system of host operating system type |
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| CN111913900A (en) * | 2020-07-21 | 2020-11-10 | 大唐微电子技术有限公司 | Method for communication between host and external equipment, storage medium and electronic device |
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