CN103365808A - USB (universal serial bus) equipment sharing method and system - Google Patents
USB (universal serial bus) equipment sharing method and system Download PDFInfo
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- CN103365808A CN103365808A CN2012100828412A CN201210082841A CN103365808A CN 103365808 A CN103365808 A CN 103365808A CN 2012100828412 A CN2012100828412 A CN 2012100828412A CN 201210082841 A CN201210082841 A CN 201210082841A CN 103365808 A CN103365808 A CN 103365808A
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Abstract
An embodiment of the invention discloses USB (universal serial bus) equipment sharing method and system, relates to the technical field of communications and solves the problems that switching contents displayed on an AIO (all-in-one) for operation requires two USB devices in the prior art, so a whole system is high in cost; one USB device applied needs to be demounted and mounted at the position requiring the application of the USB device, so the whole application process is complex and slow. The method includes: switching the contents displayed on a display of the AIO between the AIO and a second master so as to display the contents of the AIO or the second master, switching the USB devices between the AIO and the second master so as to allow the USB devices to manage and control the AIO or allow a first AUX channel between the second master and the display of the AIO to manage and control the second master. The USB equipment sharing method and system are applicable to sharing display technologies.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and system of a kind of shared use USB (universal serial bus) (Universal Serial Bus is called for short USB) equipment.
Background technology
A current one desktop computer (the All In One that utilizes, being called for short AIO) mode used as the display of an other main frame is very general, because described AIO is provided with display input (Display Port In, be called for short DP IN) interface, therefore when a described other main frame needs described AIO to show the content of a described other main frame, the picture material of an other main frame can be presented on the display screen of described AIO, and when a described other main frame did not need the demonstration of AIO, described AIO can show the picture material of self.In real work, the upper content that shows of described AIO can be switched as required in real time.
The processes such as operation of current described AIO and a described other main frame generally need some general-purpose serial bus USB equipment (for example mouse, keyboard, shooting are first-class), when described AIO is used for showing the picture material of an other main frame, need by the USB device on the described other main frame of operation, when described AIO is used for showing the picture material of self, then need by operating the USB device on the described AIO, perhaps the USB device on the described other main frame is unloaded, and be installed in the enterprising enforcement usefulness of described AIO.
In the process that realizes the embodiment of the invention, the inventor finds that there are the following problems at least in the prior art:
Repeatedly switching content that described AIO shows when carrying out work, need to use respectively USB device on the described AIO and the USB device on the described other main frame, cause the cost of system higher, perhaps adopt the USB device on the described other main frame of dismounting and be installed in the upper method of using of described AIO, cause slowly problem of whole use procedure complexity.
Summary of the invention
Embodiments of the invention provide a kind of method and system of shared use USB device, can solve in the prior art owing to switch the upper content that shows of described AIO to carry out work, need to connect respectively USB device with being connected on the main frame at AIO, cause the whole system cost higher, perhaps adopt the USB device on the described other main frame of dismounting and be installed in the upper method of using of described AIO, the whole use procedure complexity that causes is problem slowly.
For achieving the above object, the present invention adopts following technical scheme:
A kind of method of shared use USB device, be applied to a kind of shared display system, described shared display system comprises one with one desktop computer and second main frame of display, described one desktop computer is connected with USB device, be provided with the first accessory channel between described the second main frame and the described one desktop computer, described the first accessory channel is used for connecting the display of described the second main frame and described one desktop computer, and described method comprises:
Between described one desktop computer and described the second main frame, switch the displaying contents of the display of described one desktop computer, show with the content to described one desktop computer or described the second main frame;
Between described one desktop computer and described the second main frame, switch described USB device, so that the management of described USB device is controlled described one desktop computer or managed described the second main frame of control by described the first accessory channel.
A kind of system of shared use USB device, comprise one with one desktop computer and second main frame of display, described one desktop computer is connected with USB device, be provided with the first accessory channel between described the second main frame and the described one desktop computer, described the first accessory channel is used for connecting the display of described the second main frame and described one desktop computer, and described system also comprises:
Share display unit, be used between described one desktop computer and described the second main frame, switching the displaying contents of the display of described one desktop computer, show with the content to described one desktop computer or described the second main frame;
Share the USB device unit, be used for the described USB device of switching between described one desktop computer and described the second main frame, so that the management of described USB device is controlled described one desktop computer or controlled described the second main frame by described the first accessory channel management.
The method and system of the shared use USB device that the embodiment of the invention provides, because described one desktop computer is connected with USB device, by the transmission of the first accessory channel between the display of using described the second main frame and described one desktop computer usb data, when switching the demonstration of described one desktop computer between described one desktop computer and described the second main frame, the USB device that connects described one desktop computer can be by described the second main frame of described the first accessory channel management control.Compared with prior art, the embodiment of the invention has only been used a cover USB device, has saved the cost of whole system, and use procedure is easy.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The process flow diagram of the method for the shared use USB device that Fig. 1 provides for the embodiment of the invention;
The process flow diagram one of the method for the shared use USB device that Fig. 2 provides for further embodiment of this invention;
The flowchart 2 of the method for the shared use USB device that Fig. 3 provides for further embodiment of this invention;
The flow chart 3 of the method for the shared use USB device that Fig. 4 provides for further embodiment of this invention;
The process flow diagram four of the method for the shared use USB device that Fig. 5 provides for further embodiment of this invention;
The system architecture synoptic diagram one of the shared use USB device that Fig. 6 provides for the embodiment of the invention;
The system architecture synoptic diagram two of the shared use USB device that Fig. 7 provides for the embodiment of the invention;
The system architecture synoptic diagram three of the shared use USB device that Fig. 8 provides for the embodiment of the invention;
The system architecture synoptic diagram four of the shared use USB device that Fig. 9 provides for the embodiment of the invention;
The system architecture synoptic diagram five of the shared use USB device that Figure 10 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
For the advantage that makes technical solution of the present invention is clearer, below in conjunction with drawings and Examples the present invention is elaborated.
As shown in Figure 1, the method of the shared use general-purpose serial bus USB equipment that the embodiment of the invention provides, be applied to a kind of shared display system, described shared display system comprises one with one desktop computer AIO and second main frame of display, described AIO is connected with USB device, described the second main frame is connected by the first accessory channel AUX with the display of described AIO, and described method comprises:
Step 101, between described AIO and described the second main frame, switch the displaying contents of the display of described AIO, show with the content to described AIO or described the second main frame.
Wherein, the USB device that connects described AIO can adopt AIO to connect a USB multiport transponder, be provided with a plurality of USB port on the described USB multiport transponder, described USB device (such as mouse, keyboard etc.) is connected with described AIO by described a plurality of USB port, but not only is confined to this.
Step 102, between described AIO and described the second main frame, switch described USB device, so that the described USB device management described AIO of control or control described the second main frame by a described AUX channel management.
Wherein, when the display of described AIO shows the content of described AIO, the described AIO of USB device management control, when the display of described AIO shows the content of described the second main frame, described USB device is controlled described the second main frame by a described AUX channel management, described management control can be that the USB device such as mouse, keyboard are inputted to described the second main frame, and perhaps camera is taken pictures and is input to described the second main frame, but not only is confined to this.
The method of the shared use USB device that the embodiment of the invention provides, because described AIO is connected with USB device, by using the AUX transmission usb data between described the second main frame and the described AIO, when switching the demonstration of described AIO between described AIO and described the second main frame, the USB device that connects described AIO can be controlled described the second main frame by a described AUX channel management.Compared with prior art, the embodiment of the invention has only been used a cover USB device, has saved the cost of whole system, and use procedure is easy.
In order to make those skilled in the art better understand the present invention, below in conjunction with accompanying drawing and another specific embodiment the present invention is elaborated.
As shown in Figure 2, the method of the shared use USB device that further embodiment of this invention provides, be applied to a kind of shared display system, described shared display system comprises one with one desktop computer AIO and second main frame of display, described AIO is connected with USB device, and described the second main frame is connected by the first accessory channel AUX with the display of described AIO.
Because the displaying contents of the display of described AIO can switch between the content of the content of described AIO and described the second main frame, the below is described take a content that switches to described the second main frame of demonstration from the content that shows AIO as a process.
The display of described AIO is connected by one the 2nd AUX passage with the main frame of described AIO, and described method comprises:
The main frame of step 201, described AIO obtains the monitor information of described AIO by described the 2nd AUX passage.
Wherein, described monitor information can comprise the information such as resolution of display.
The main frame of step 202, described AIO makes the display of described AIO show the content of described AIO according to the monitor information of described AIO.
Concrete, acquire the information such as resolution of described display at the main frame of described AIO, can the content of described AIO be sent according to corresponding resolution to the display of described AIO.
Concrete, when the monitor information of described the 2nd AUX channel transfer AIO, described the 2nd AUX passage wouldn't transmit the data of described USB device, when described the 2nd AUX passage is idle, namely after the monitor information of described the 2nd AUX channel transfer AIO is complete, the data of the described USB device of described the 2nd AUX channel transfer.
The display of step 204, described AIO sends switching command to described the second main frame.
Concrete, be provided with Master control chip on the display of described AIO, can send switching command to described the second main frame, and then the content that the display of described AIO shows be switched to the content of described the second main frame.
A described AUX passage and the 2nd AUX channel bandwidth can reach 720,000,000 per seconds, and the bandwidth of transmission usb data (for example USB2.0) only needs 480,000,000 per seconds, the bandwidth of transmitting the monitor information of described AIO only needs 1,000,000 per seconds, then a described AUX passage can be divided into two parts, be first passage and second channel, described the 2nd AUX passage is divided into two parts, be third channel and four-way, the bandwidth of described second channel and described four-way more than or equal to the bandwidth of 480,000,000 per seconds and described first passage and described four-way more than or equal to 1,000,000 per seconds, then as shown in Figure 3, described method comprises:
The main frame of step 301, described AIO obtains the monitor information of described AIO by described third channel.
The main frame of step 302, described AIO makes the display of described AIO show the content of described AIO according to the monitor information of described AIO.
Concrete, described AIO obtains the monitor information of described AIO, and is different from the passage of the described AIO of described USB device management control, and by described third channel and four-way, described step 301 can be carried out simultaneously with step 303.
The display of step 304, described AIO sends switching command to described the second main frame.
If the display of described AIO is connected by USB passage and Low Voltage Differential Signal LVDS passage with the main frame of described AIO, then step 201 step 301 to step 303 to step 203 and Fig. 3 can realize by following step among above-mentioned Fig. 2, as shown in Figure 4 and Figure 5:
The main frame of step 401, described AIO obtains the monitor information of described AIO by described LVDS passage.
The main frame of step 402, described AIO makes the display of described AIO show the content of described AIO according to the monitor information of described AIO.
Concrete, can draw a plurality of USB port on the mainboard of the main frame of described AIO and connect USB device, control described AIO by the USB channel management.
Adopt described LVDS passage and USB passage can reduce the cost that uses the 2nd AUX passage.
The method of the shared use USB device that further embodiment of this invention provides, because described AIO is connected with USB device, by the transmission of the AUX between the display of using described the second main frame and described AIO usb data, when switching the demonstration of described AIO between described AIO and described the second main frame, the USB device that connects described AIO can be controlled described the second main frame by a described AUX channel management.Compared with prior art, the embodiment of the invention has only been used a cover USB device, has saved the cost of whole system, and use procedure is easy.
As shown in Figure 6, the system of the shared use general-purpose serial bus USB equipment that the embodiment of the invention provides, comprise one with one desktop computer AIO and second main frame of display, described AIO is connected with USB device, described the second main frame is connected by the first accessory channel AUX with the display of described AIO, and described system also comprises:
Share USB device unit 62, be used between described AIO and described the second main frame, switching described USB device, so that the management of described USB device is controlled described AIO or controlled described the second main frame by a described AUX channel management.Its specific implementation repeats no more referring among Fig. 1 shown in the step 102 herein.
Further, as described in Figure 7, described the second main frame comprises:
First information acquiring unit 63 is for the monitor information of obtaining described AIO by a described AUX passage.Its specific implementation repeats no more referring among Fig. 2 shown in the step 205 herein.
Described shared USB device unit 62 comprises:
The first management control module 621 is used for after described the second main frame obtains the monitor information of described AIO by a described AUX passage, and described USB device is controlled described the second main frame by a described AUX channel management.Its specific implementation repeats no more referring among Fig. 2 shown in the step 207 herein.
Further, as shown in Figure 7, the display of described AIO is connected by the 2nd AUX passage with the main frame of described AIO, and described AIO comprises:
The second information acquisition unit 64 is for the monitor information of obtaining described AIO by described the 2nd AUX passage.Its specific implementation repeats no more referring among Fig. 2 shown in the step 201 herein.
Described shared USB device unit 62 comprises:
The second management control module 622 is used for after described AIO obtains the monitor information of described AIO by described the 2nd AUX passage, and described USB device is controlled described AIO by described the 2nd AUX channel management.Its specific implementation repeats no more referring among Fig. 2 shown in the step 203 herein.
Perhaps, as shown in Figure 8, the display of described AIO is connected by USB passage and Low Voltage Differential Signal LVDS passage with the main frame of described AIO, and described AIO comprises:
The 3rd information acquisition unit 65 is for the monitor information of obtaining described AIO by described LVDS passage.Its specific implementation repeats no more referring among Fig. 4 shown in the step 401 herein.
Described shared USB device unit 62 comprises:
The 3rd management control module 623 is used for after described AIO obtains the monitor information of described AIO by described LVDS passage, and described USB device is controlled described AIO by described USB channel management.
Further, as shown in Figure 9, a described AUX passage comprises first passage and second channel, and described the second main frame comprises:
The 4th information acquisition unit 66 is for the monitor information of obtaining described AIO by described first passage.Its specific implementation repeats no more referring among Fig. 3 shown in the step 305 herein.
Described shared USB device unit 62 comprises:
The 4th management control module 624 is used for described USB device by described the second main frame of described second channel management control.Its specific implementation repeats no more referring among Fig. 3 shown in the step 307 herein.
Further, as shown in figure 10, the display of described AIO is connected by the 2nd AUX passage with the main frame of described AIO, and described the 2nd AUX passage comprises third channel and four-way, and described AIO comprises:
The 5th information acquisition unit 67 is for the monitor information of obtaining described AIO by described third channel.Its specific implementation repeats no more referring among Fig. 3 shown in the step 301 herein.
Described shared USB device unit 62 comprises:
The 5th management control unit 625 is used for described USB device by the described AIO of described four-way management control.Its specific implementation repeats no more referring among Fig. 3 shown in the step 303 herein.
The system of the shared use USB device that the embodiment of the invention provides, because described AIO is connected with USB device, by the transmission of the AUX between the display of using described the second main frame and described AIO usb data, when sharing display unit and switch demonstration between described AIO and described the second main frame, the USB device that connects described AIO can be controlled described the second main frame by an AUX channel management by shared USB device unit.Compared with prior art, the embodiment of the invention has only been used a cover USB device, has saved the cost of whole system, and use procedure is easy.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better embodiment in a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk such as computing machine, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection domain with claim.
Claims (12)
1. share the method for using general-purpose serial bus USB equipment for one kind, be applied to a kind of shared display system, described shared display system comprises one with one desktop computer and second main frame of display, described one desktop computer is connected with USB device, be provided with the first accessory channel between described the second main frame and the described one desktop computer, described the first accessory channel is used for connecting the display of described the second main frame and described one desktop computer, it is characterized in that described method comprises:
Between described one desktop computer and described the second main frame, switch the displaying contents of the display of described one desktop computer, show with the content to described one desktop computer or described the second main frame;
Between described one desktop computer and described the second main frame, switch described USB device, so that the management of described USB device is controlled described one desktop computer or managed described the second main frame of control by described the first accessory channel.
2. method according to claim 1 is characterized in that, described content to described one desktop computer or described the second main frame shows, comprises before:
Described the second main frame obtains the monitor information of described one desktop computer by described the first accessory channel;
By described the second main frame of described the first accessory channel management control, comprising:
After described the second main frame obtained the monitor information of described one desktop computer by described the first accessory channel, described USB device was by described the second main frame of described the first accessory channel management control.
3. method according to claim 1, it is characterized in that, be provided with the second accessory channel between the main frame of the display of described one desktop computer and described one desktop computer, described the second accessory channel is used for connecting the main frame of described one desktop computer and the display of described one desktop computer, described content to described one desktop computer or described the second main frame shows, comprises before:
The desk-top computer expert of described one crosses the monitor information that described the second accessory channel obtains described one desktop computer;
The described one desktop computer of described USB device management control comprises:
After the desk-top computer expert of described one crossed described the second accessory channel and obtains the monitor information of described one desktop computer, described USB device was by the described one desktop computer of described the second accessory channel management control.
4. method according to claim 1, it is characterized in that, the display of described one desktop computer is connected by USB passage and Low Voltage Differential Signal passage with the main frame of described one desktop computer, described content to described one desktop computer or described the second main frame shows, comprises before:
The desk-top computer expert of described one crosses the monitor information that described Low Voltage Differential Signal passage obtains described one desktop computer;
The described one desktop computer of described USB device management control comprises:
After the desk-top computer expert of described one crossed described Low Voltage Differential Signal passage and obtains the monitor information of described one desktop computer, described USB device was controlled described one desktop computer by described USB channel management.
5. method according to claim 1 is characterized in that, described the first accessory channel comprises first passage and second channel, and described content to described one desktop computer or described the second main frame shows, comprises before:
Described the second main frame obtains the monitor information of described one desktop computer by described first passage;
Described by described the second main frame of described the first accessory channel management control, comprising:
Described USB device is by described the second main frame of described second channel management control.
6. method according to claim 1, it is characterized in that, be provided with the second accessory channel between the main frame of the display of described one desktop computer and described one desktop computer, described the second accessory channel is used for connecting the main frame of described one desktop computer and the display of described one desktop computer, described the second accessory channel comprises third channel and four-way, described content to described one desktop computer or described the second main frame shows, comprises before:
The desk-top computer expert of described one crosses the monitor information that described third channel obtains described one desktop computer;
The described one desktop computer of described USB device management control comprises:
Described USB device is by the described one desktop computer of described four-way management control.
7. share the system that uses general-purpose serial bus USB equipment for one kind, comprise one with one desktop computer and second main frame of display, described one desktop computer is connected with USB device, be provided with the first accessory channel between described the second main frame and the described one desktop computer, described the first accessory channel is used for connecting the display of described the second main frame and described one desktop computer, it is characterized in that described system also comprises:
Share display unit, be used between described one desktop computer and described the second main frame, switching the displaying contents of the display of described one desktop computer, show with the content to described one desktop computer or described the second main frame;
Share the USB device unit, be used for the described USB device of switching between described one desktop computer and described the second main frame, so that the management of described USB device is controlled described one desktop computer or controlled described the second main frame by described the first accessory channel management.
8. system according to claim 7 is characterized in that, described the second main frame comprises:
First information acquiring unit is for the monitor information of obtaining described one desktop computer by described the first accessory channel;
Described shared USB device unit comprises:
The first management control module is used for after described the second main frame obtains the monitor information of described one desktop computer by described the first accessory channel, and described USB device is by described the second main frame of described the first accessory channel management control.
9. system according to claim 7, it is characterized in that, be provided with the second accessory channel between the main frame of the display of described one desktop computer and described one desktop computer, described the second accessory channel is used for connecting the main frame of described one desktop computer and the display of described one desktop computer, and the desk-top computer package of described one is drawn together:
The second information acquisition unit is for the monitor information of obtaining described one desktop computer by described the second accessory channel;
Described shared USB device unit comprises:
The second management control module is used for after the desk-top computer expert of described one crosses described the second accessory channel and obtains the monitor information of described one desktop computer, and described USB device is controlled described one desktop computer by described the second accessory channel management.
10. system according to claim 7 is characterized in that, the display of described one desktop computer is connected by USB passage and Low Voltage Differential Signal passage with the main frame of described one desktop computer, and the desk-top computer package of described one is drawn together:
The 3rd information acquisition unit is for the monitor information of obtaining described one desktop computer by described Low Voltage Differential Signal passage;
Described shared USB device unit comprises:
The 3rd management control module is used for after the desk-top computer expert of described one crosses described Low Voltage Differential Signal passage and obtains the monitor information of described one desktop computer, and described USB device is controlled described one desktop computer by described USB channel management.
11. system according to claim 7 is characterized in that, described the first accessory channel comprises first passage and second channel, and described the second main frame comprises:
The 4th information acquisition unit is for the monitor information of obtaining described one desktop computer by described first passage;
Described shared USB device unit comprises:
The 4th management control module is used for described USB device by described the second main frame of described second channel management control.
12. system according to claim 7, it is characterized in that, be provided with between the main frame of the display of described one desktop computer and described one desktop computer by the second accessory channel, described the second accessory channel is used for connecting the main frame of described one desktop computer and the display of described one desktop computer, described the second accessory channel comprises third channel and four-way, and the desk-top computer package of described one is drawn together:
The 5th information acquisition unit is for the monitor information of obtaining described one desktop computer by described third channel;
Described shared USB device unit comprises:
The 5th management control unit is used for described USB device by the described one desktop computer of described four-way management control.
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| CN201804328U (en) * | 2010-09-27 | 2011-04-20 | 宇龙计算机通信科技(深圳)有限公司 | Universal serial bus (USB) control system and communication terminal comprising same |
| CN201945915U (en) * | 2011-01-04 | 2011-08-24 | 联想(北京)有限公司 | Integrated machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106844273A (en) * | 2016-12-13 | 2017-06-13 | 硅谷数模半导体（北京）有限公司 | Access the method and device of DP accessory channels |
| CN110069100A (en) * | 2019-03-29 | 2019-07-30 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN110069100B (en) * | 2019-03-29 | 2020-10-27 | 联想(北京)有限公司 | Electronic equipment |
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