CN103546704A - Method and television for recognizing USB (universal serial bus) devices plugged in television - Google Patents
Method and television for recognizing USB (universal serial bus) devices plugged in television Download PDFInfo
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Abstract
The invention discloses a method and a television for recognizing USB (universal serial bus) devices plugged in the television. The method comprises the following steps of recognizing a USB interface at a television end; marking a USB physical port number on the USB interface; starting a VOLD to confirm a USB port number in a device path of a current USB device and enabling the USB port number in the device path to correspond to the USB physical port number of the current USB interface when the USB device is plugged in the television end; and fixedly setting a mounting point number on the current USB device according to the USB port number in the device path. Each plugged USB device corresponds to the corresponding fixed mounting point number, so that a user can conveniently distinguish displaying states of a plurality of USB devices on the television and the corresponding mounting point numbers of the USB devices, and the problems that in the prior art, the mounting point numbers are distributed randomly, the USB devices are difficult to distinguish clearly, and operation mistakes are easy to cause are solved.
Description
Technical field
The present invention relates to USB device recognition technology, particularly a kind of for identifying method and the TV of the USB device of inserting TV.
Background technology
At present, on the shell of intelligent television, be provided with a plurality of interfaces and be connected with external equipment, carry out the transmission of data-signal, with realize its powerful function and represent on peripheral hardware content.For example, the standing AV(Audio Video that is equipped with on intelligent TV set based on Android system, video/audio) signal, audio frequency, HDMI(HighDefinitionMultimediaInterface, HDMI (High Definition Multimedia Interface)) and USB interface, to realize the broadcasting of audio, video data, and can facilitate user to read the content of USB device by USB interface.In order to support a plurality of USB device, use the standing a plurality of USB interface, USB1 as shown in Figure 1, USB2, USB3 of putting of a side at intelligent TV set simultaneously ... USBx.
In prior art, the normal peripheral hardware that adopts VOLD (volume daemon storage class finger daemon) to process carry can demonstrate the name of peripheral hardware when multimedia and browsing file.If inserted a plurality of USB device, by the title of different mount points, come, to each USB device name, to be differently shown.But, want in this case to extract one of them USB device, be but difficult to the title of the mount point showing on TV end is corresponding one by one with the USB device being inserted in USB interface.This is because in existing intelligent television, USB interface is when carry USB device, the title of mount point is Random assignment, no matter be inserted in which USB interface, the title of mount point be all according to the sequencing inserting from sda1, sdb1, sdc1 ... start down to distribute successively.Therefore, at present when television set inserts USB device, do not allow mount point corresponding to fixing USB interface.User is difficult to accurately tell which USB device on the corresponding housing of TV set of which mount point, if select mistake, has extracted the USB device of reading and writing, can cause the program of current operation to report an error, loss of data, even damages USB device, brings constant to user.
Thereby prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind ofly for identifying method and the TV of the USB device of inserting TV, to solve prior art, cannot accurately tell mount point name corresponding to USB device and lead to errors and extract and damage the problem of USB device.
In order to achieve the above object, the present invention has taked following technical scheme:
A method of identifying the USB device of inserting TV, it comprises:
The USB interface of A, identification TV end, and to described USB interface mark USB physical port number;
B, when USB device is inserted TV end, start the USB port number in the device path that VOLD confirms current USB device, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface;
C, according to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.
Described for identifying the method for the USB device of inserting TV, in described steps A, described USB interface is a plurality of;
When mark USB physical port number, the position of arranging on TV end according to USB interface, from top to bottom successively the USB physical port number of mark USB interface be USB1, USB2, to USB x, x is natural number.
Described for identifying the method for the USB device of inserting TV, described step B specifically comprises:
B1, when USB device is inserted USB interface, TV end is driving floor to obtain the USB port number of current USB interface;
B2, VOLD create link, obtain the USB port number that drives floor to report;
B3, VOLD guide, and parse the device path of current USB interface according to described USB port number, the USB port in this device path number are changed to the USB physical port number of current USB interface.
Described for identifying the method for the USB device of inserting TV, described device path is expressed as devpath=' device/platform/USB port numbers/', the device path after change be devpath=' device/platform/USB physical port number/'.
Described for identifying the method for the USB device of inserting TV, described step C specifically comprises:
C1, VOLD carry out event handling, obtain the device path after current USB interface change;
C2, the mount point numbering corresponding according to the USB port in this device path number identification.
Described for identifying the method for the USB device of inserting TV, the assignment of described mount point numbering is set to sda1, sdb1, sdc1 according to the order of sequence, to sdz1, before step C, also comprise the equivalence value that mount point numbering is set; Make sda1 to sdz1 corresponding one by one with USB1 to USB26 respectively, be recorded as equivalence value form storage.
Described for identifying the method for the USB device of inserting TV, described step C2 specifically comprises:
C21, obtain the USB port number in device path;
C22, inquiry equivalence value form, find out and show this USB port number corresponding mount point numbering.
A TV of identifying the method for the USB device of inserting TV, it comprises:
Interface processing module, for identifying the USB interface of TV end, and to described USB interface mark USB physical port number;
VOLD processing module, for when USB device is inserted TV end, TV end is confirmed the USB port number in the device path of current USB device in the processing procedure that starts VOLD, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface; According to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.
In described TV, described VOLD processing module comprises:
Acquiring unit, for when USB device is inserted USB interface, is driving floor to obtain the USB port number of current USB interface;
Create link unit, for obtaining the USB port number that drives floor to report;
Guidance unit, for parse the device path of current USB interface according to described USB port number, changes to the USB port in this device path number the USB physical port number of current USB interface;
Event handling unit, for obtaining the device path after current USB interface change, identifies corresponding mount point numbering according to the USB port in this device path number.
In described TV, described VOLD processing module also comprises setting unit, for the assignment of mount point numbering being set to according to the order of sequence to sda1, sdb1, sdc1, to sdz1, the equivalence value of mount point numbering is set; Make sda1 to sdz1 corresponding one by one with USB1 to USB26 respectively, be recorded as equivalence value form storage.
Compared to prior art, provided by the invention for identifying method and the TV of the USB device of inserting TV, first to USB interface mark USB physical port number, when USB device is inserted TV end, start the USB port number in the device path that VOLD confirms current USB device, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface, finally according to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device; The corresponding fixing mount point of the USB device of each insertion is numbered like this, facilitate user to recognize state that a plurality of USB device show and corresponding mount point numbering thereof on TV, avoid occurring that in prior art, the Random assignment of mount point numbering makes USB device be difficult to offer a clear explanation, easily occur the problem of operating mistake.
Accompanying drawing explanation
Fig. 1 is the external interface schematic diagram of existing intelligent television.
Fig. 2 is provided by the invention for identifying the method flow diagram of the USB device of inserting TV.
Fig. 3 is provided by the invention for identifying the structured flowchart of the TV of the USB device of inserting TV.
Embodiment
The invention provides a kind ofly for identifying method and the TV of the USB device of inserting TV, for making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Provided by the invention for identifying method and the TV of the USB device of inserting TV, the first corresponding USB physical port number of each USB interface mark to TV end.When inserting a USB device, adopt VOLD that the USB port in the device path of USB device is number corresponding with USB physical port number.Finally according to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.Each USB device is fixedly installed a mount point numbering, and user can corresponding find out associated USB device according to the mount point numbering showing, has facilitated the management of a plurality of USB device, has greatly reduced the risk of selecting USB device to make mistakes.TV of the present invention is based on Android(Android system) intelligent television.Refer to Fig. 2, described for identifying the method for the USB device of inserting TV, comprising:
The USB interface of S100, identification TV end, and to described USB interface mark USB physical port number;
S200, when USB device is inserted TV end, start the USB port number in the device path that VOLD confirms current USB device, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface;
S300, according to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.
As can be seen from Figure 1, the peripheral hardware kind that intelligent television is supported is more, has AV signaling interface, has audio interface, USB interface etc., and that USB interface has is a plurality of.When a plurality of USB interface are all inserted peripheral hardware, based on a plurality of USB interface, all belong to identical type, the mount point numbering that TV end inside is differently shown to it is Random assignment, user is difficult to distinguish corresponding which USB device of which mount point numbering.Therefore, in step S100, first identifying which interface is USB interface, and mark is the insert port of USB device herein.Then the different USB physical port number of these USB interface marks is distinguished.
In the specific implementation, described USB interface is a plurality of; When mark USB physical port number: the position of arranging on TV end according to USB interface, from top to bottom successively the USB physical port number of mark USB interface be USB1, USB2, to USBx, x is natural number.In the present embodiment 1,2 ... x represents USB interface putting in order from top to bottom.Before TV dispatches from the factory, on TV shell, indicate the title of USB interface, be also labeled as successively in accordance with the order from top to bottom USB1, USB2, to USBx.Make the outside title showing of USB interface corresponding with the USB physical port number of internal software definition.
Fix after USB physical port number corresponding to each USB interface, just need to these USB physical port numbers are corresponding one by one with mount point numbering.In TV end, adopt VOLD to process the carry task of USB device.It is embodiment that the USB device A of take below inserts second USB interface of counting from top to bottom on TV end, specifically sets forth the processing procedure of VOLD.
The processing mode of VOLD comprises establishment link, guiding and event handling.In described step S200, realize the establishment link of VOLD, the process of guiding, it specifically comprises:
While supposing that USB device A inserts second USB interface, its corresponding USB physical port number is USB2.In step 201, when the driving layer of Android system carries out drive load to USB device A, obtain its USB port number, as this number of USB port3(be random value).This USB port number shows USB device access to have been detected second USB interface.
VOLD obtains this USB port number in step 202, is just equivalent to this USB port number to link as creating.Because this USB port USB physical port number that number (being USB port3) is corresponding with its USB interface (for USB2) is not identical, without any corresponding relation.Need in step 203, by guiding, process this USB port number, make it become corresponding relation with USB physical port number.The device path that parses current USB interface according to described USB port number in program, be expressed as devpath=' device/platform/USB port numbers/', as devpath=' device/platform/USB port3/ '.This device path has represented the position that current USB device identifies in system.Device path after changing be expressed as devpath=' device/platform/ USB physical port number/'.
Based on USB physical port number corresponding to USB device A, be USB2, the device path after USB device A change is expressed as devpath=' device/platform/USB2/ '.In like manner can obtain, if hypothesis USB device A insertion is the 4th USB interface, its corresponding USB physical port number is USB4, and the device path after change is expressed as devpath=' device/platform/ USB4/ '.
After on the port numbers of device path is corresponding with USB physical port number, can carry out the event handling of VOLD.Described step S300 specifically comprises:
Step 301, VOLD carry out event handling, obtain the device path after current USB interface change;
Step 302, the mount point numbering corresponding according to the USB port in this device path number identification.
In the present embodiment, the assignment of described mount point numbering is set to sda1, sdb1, sdc1 according to the order of sequence, to sdz1, before step S300, the equivalence value that mount point numbering need to be first set, makes sda1 to sdz1 corresponding one by one with USB1 to USB26 respectively, is specially and makes sda1 equal USB1, sdb1 equals USB2, sdc1 equals USB3, equals USB26 to sdz1 by that analogy, is recorded as equivalence value form storage.Described step 302 specifically comprises:
Step 3021, obtain the USB port number in device path;
Step 3022, inquiry equivalence value form, find out and show this USB port number corresponding mount point numbering.
USB device A inserts second USB interface, and the device path after its change is expressed as devpath=' device/platform/ USB2/ ', and its USB port number is USB2.Inquiry equivalence value form is known, and sdb1 equals USB2, that is to say, second mount point corresponding to USB interface is numbered sdb1; While extracting USB device A, select to eject sdb1.
In the present embodiment, mount point numbering putting in order according to the corresponding USB interface that puts in order of 26 English alphabets, in mount point numbering, the 3rd letter (counting from left to right) be a, corresponding first USB interface (down several from TV end), and its USB physical port number is USB1; In mount point numbering, the 3rd letter is b, corresponding second USB interface, and its USB physical port number is USB2; In mount point numbering, the 3rd letter is c, corresponding the 3rd USB interface, and its USB physical port number is USB3; By that analogy.Which USB interface is USB device insert, and selects to eject mount point numbering corresponding to this USB interface in the time of need to extracting.In USB multimedia application or browsing file application can see mount point numbering.
If what suppose USB device A insertion is the 4th USB interface, its corresponding USB physical port number is USB4, device path after change is expressed as devpath=' device/platform/ USB4/ ', its USB port number is USB4, the known sdd1 of inquiry equivalence value form equals USB4, and the 4th mount point that USB interface is corresponding is numbered sdd1.While extracting the 4th USB device A in USB interface, select to eject sdd1.
For identifying the method for the USB device of inserting TV, the embodiment of the present invention also provides a kind of TV based on above-mentioned, refers to Fig. 3, described TV comprises interface reason module 10 and connected VOLD processing module 20.The USB interface of interface processing module 10 identification TV ends, and to described USB interface mark USB physical port number.When VOLD processing module 20 is inserted TV end in USB device, start the USB port number in the device path that VOLD confirms current USB device, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface; According to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.
Wherein, described VOLD processing module 20 comprises: the acquiring unit 201 connecting successively, establishment link unit 202, guidance unit 203 and event handling unit 204.When USB device is inserted USB interface, acquiring unit 201 is driving floor to obtain the USB port number of current USB interface.Create link unit 202 and obtain the USB port number that drives floor to report.Guidance unit 203 parses the device path of current USB interface according to described USB port number, the USB port in this device path number is changed to the USB physical port number of current USB interface.Event handling unit 204 obtains the device path after current USB interface change, according to the USB port in this device path number, identifies corresponding mount point numbering.
Described VOLD processing module 20 also comprises setting unit, for the assignment of mount point numbering being set to according to the order of sequence to sda1, sdb1, sdc1, to sdz1; The equivalence value of mount point numbering is set; Make sda1 to sdz1 corresponding one by one with USB1 to USB26 respectively, be recorded as equivalence value form storage.
In sum, the present invention arranges its corresponding USB physical port number according to the order of sequence to the USB interface on TV end in advance.When USB device is inserted TV end, driving floor to obtain the USB port number of current USB interface, VOLD obtains the device path that parses current USB interface after USB port number, USB port in this device path number is changed to the USB physical port number of current USB interface, make the USB port in the device path after change number corresponding with USB physical port number, finally according to USB port number, inquiry equivalence value form is found out and is shown USB port number corresponding mount point numbering.In the time that USB device need to being extracted, select to eject its corresponding mount point numbering.In a plurality of USB device and deposit in the situation that, can find out at an easy rate the corresponding relation of the mount point numbering that shows on TV end and external USB device, facilitated user's differentiation; No matter user inserts USB device according to the order of sequence or arbitrarily, and mount point numbering corresponding to this USB device all fixed, and can distinguish quickly and accurately according to the position of USB interface, has avoided the wrong problem that causes loss of data, USB device to be damaged of extracting.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. for identifying a method for the USB device of inserting TV, it is characterized in that, comprising:
The USB interface of A, identification TV end, and to described USB interface mark USB physical port number;
B, when USB device is inserted TV end, start the USB port number in the device path that VOLD confirms current USB device, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface;
C, according to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.
2. according to claim 1ly for identifying the method for the USB device of inserting TV, it is characterized in that, in described steps A, described USB interface is a plurality of;
When mark USB physical port number, the position of arranging on TV end according to USB interface, from top to bottom successively the USB physical port number of mark USB interface be USB1, USB2, to USB x, x is natural number.
3. according to claim 2ly for identifying the method for the USB device of inserting TV, it is characterized in that, described step B specifically comprises:
B1, when USB device is inserted USB interface, driving floor to obtain the USB port number of current USB interface;
B2, VOLD create link, obtain the USB port number that drives floor to report;
B3, VOLD guide, and parse the device path of current USB interface according to described USB port number, the USB port in this device path number are changed to the USB physical port number of current USB interface.
4. according to claim 3 for identifying the method for the USB device of inserting TV, it is characterized in that, described device path is expressed as devpath=' device/platform/USB port numbers/', the device path after change be devpath=' device/platform/USB physical port number/'.
5. according to claim 4ly for identifying the method for the USB device of inserting TV, it is characterized in that, described step C specifically comprises:
C1, VOLD carry out event handling, obtain the device path after current USB interface change;
C2, the mount point numbering corresponding according to the USB port in this device path number identification.
6. according to claim 4 for identifying the method for the USB device of inserting TV, it is characterized in that, the assignment of described mount point numbering is set to sda1, sdb1, sdc1 according to the order of sequence, to sdz1, before step C, also comprise the equivalence value that mount point numbering is set; Make sda1 to sdz1 corresponding one by one with USB1 to USB26 respectively, be recorded as equivalence value form storage.
7. according to claim 6ly for identifying the method for the USB device of inserting TV, it is characterized in that, described step C2 specifically comprises:
C21, obtain the USB port number in device path;
C22, inquiry equivalence value form, find out and show this USB port number corresponding mount point numbering.
8. for identifying a TV for the method for the USB device of inserting TV, it is characterized in that, comprising:
Interface processing module, for identifying the USB interface of TV end, and to described USB interface mark USB physical port number;
VOLD processing module, when inserting TV end when USB device, starts the USB port number in the device path that VOLD confirms current USB device, and the USB port in described device path is number corresponding with the USB physical port number of current USB interface; According to the USB port in described device path number, be fixedly installed a mount point numbering to current USB device.
9. TV according to claim 8, is characterized in that, described VOLD processing module comprises:
Acquiring unit, for when USB device is inserted USB interface, is driving floor to obtain the USB port number of current USB interface;
Create link unit, for obtaining the USB port number that drives floor to report;
Guidance unit, for parse the device path of current USB interface according to described USB port number, changes to the USB port in this device path number the USB physical port number of current USB interface;
Event handling unit, for obtaining the device path after current USB interface change, identifies corresponding mount point numbering according to the USB port in this device path number.
10. TV according to claim 9, is characterized in that, described VOLD processing module also comprises setting unit, for the assignment of mount point numbering being set to according to the order of sequence to sda1, sdb1, sdc1, to sdz1; The equivalence value of mount point numbering is set; Make sda1 to sdz1 corresponding one by one with USB1 to USB26 respectively, be recorded as equivalence value form storage.
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