CN105095132B - The electronic installation and its operating method for the USB master-slave equipment pattern that can automatically switch - Google Patents
The electronic installation and its operating method for the USB master-slave equipment pattern that can automatically switch Download PDFInfo
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- CN105095132B CN105095132B CN201410181039.8A CN201410181039A CN105095132B CN 105095132 B CN105095132 B CN 105095132B CN 201410181039 A CN201410181039 A CN 201410181039A CN 105095132 B CN105095132 B CN 105095132B
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Abstract
One kind can automatically switch USB (Universal Serial Bus, USB) master-slave equipment pattern electronic installation include a microprocessor, a USB master slave modes switching circuit and a usb hub.Multiple external equipments couple microprocessor or usb hub through USB master slave modes switching circuit.When microprocessor, which does not detect Wai portion Xin Time, USB a master slave mode switching circuit, external equipment is coupled microprocessor, external equipment is operated in slave unit pattern.When microprocessor, which detects Wai portion Xin Time, USB a master slave mode switching circuit, external equipment is coupled usb hub, wherein external equipment operation is in main equipment pattern, remaining external equipment is operated in slave unit pattern.
Description
Technical field
The invention relates to a kind of electronic installation, it can automatically switch USB in particular to one kind
The electronic installation and its operating method of (Universal Serial Bus, USB) master-slave equipment pattern.
Background technology
There is plug and play due to universal serial bus (Universal Serial Bus, USB) interface specification, can at most contact
127 USB devices, the advantages of 5V electric power can be provided and only an IRQ need to be taken, and by numerous users happiness by.
At present, many electronic installations are attached to exchange during data by USB interface and different external electronic devices, need
Main equipment pattern (HOST) or slave unit pattern are operated according to the type selecting of the external electronic accessed
(DEVICE) state.So, when electronic installation is connected with external electronic by USB interface, electronic installation is accomplished by root
Automatically selected according to the external electronic connected in main equipment pattern or slave unit pattern.However, at present, it is existing
USB master-slave equipment mode switching circuit structure is complex, relatively more using electronic component, electronic component it is excessive not
But cause manufacturing cost to increase and increase the consumption of electricity.
In view of this, it is necessary to which a kind of switching device for the USB master-slave equipment patterns that automatically switch is provided, can be according to difference
External device types, electronic installation carries out the switching of master-slave equipment pattern automatically.
The content of the invention
According to the aspect of the present invention one is included there is provided a kind of electronic installation for the USB master-slave equipment patterns that automatically switch
Microprocessor, a USB master slave modes switching circuit and a usb hub.Multiple external equipments switch through USB master slave modes
Circuit couples microprocessor or usb hub.When microprocessor does not detect an external signal, USB master slave modes switching electricity
When road makes external equipment coupling microprocessor, external equipment is operated in slave unit pattern.When microprocessor detects an outside letter
Number when, USB master slave mode switching circuits make external equipment couple usb hub, wherein an external equipment operation in main equipment mould
Formula, remaining external equipment is operated in slave unit pattern.
In one embodiment, USB master slave modes switching circuit further includes multiple switching switches, and each switching switch is one or three
Hold component, including a first end, one second end and one the 3rd end.
In one embodiment, the 3rd end coupling of this multiple external equipment respectively with switching switch.
In one embodiment, microprocessor further includes multiple USB interfaces, what this multiple USB interface was switched with switching respectively
First end is coupled.
In one embodiment, usb hub further includes a upstream Interface and multiple downstream interfaces, wherein upstream Interface with
And the second end coupling of this multiple downstream interface respectively with switching switch.
In one embodiment, external equipment and the three of the switching switch of coupling upstream Interface of the operation in main equipment pattern
Coupling is held, the 3rd end coupling for operating remaining external equipment in slave unit pattern to be switched respectively with the switching of coupling downstream interface
Connect.
In one embodiment, external signal is a multi-media signal or a video detecting signal.
In one embodiment, electronic installation, further includes one first power supply, a second source and at least one equipment electricity
Source, wherein the USB power source that the first power supply is provided by microprocessor, outside of the second source for operation under main equipment pattern
The USB power source that equipment is provided.
In one embodiment, when this multiple external equipment operation is in slave unit pattern, microprocessor sends a power supply control
The USB power source that signal processed, the first power supply of control and at least one device power supply (DPS) offer microprocessor are provided is to external equipment.
In one embodiment, when the operation of one of this multiple external equipment is in main equipment pattern, remaining external equipment
Operation is in slave unit pattern, and microprocessor sends a power control signal, control second source and at least one equipment electricity
Source provide for operation in USB power source that the external equipment under main equipment pattern provided to remaining operation under slave unit pattern
External equipment.
The present invention also provides a kind of operating method of the electronic installation for the USB master-slave equipment patterns that automatically switch.It is micro- first
The external signal of Chu Li Qi Jin rows one is detected.Secondly, when not detecting an external signal, USB master slave mode switching circuits are multiple
External equipment couples microprocessor, and wherein this little external equipment operation is under slave unit pattern.And, believe when detecting an outside
Number when, USB master slave mode switching circuits make external equipment couple a usb hub, one of them external equipment operation master sets
Standby pattern, remaining external equipment is operated in slave unit pattern.
Summary is sayed, through the framework of the present invention, and microprocessor can control USB master slave modes according to an external signal
Switching circuit, uses the external equipment mode of operation of conversion coupling, main equipment pattern or slave unit pattern, reaches automatic switchover
Purpose.
It will be easier to understand feature and advantage of the invention with reference to following description and claim.It should be understood that
It is that description and the following detailed description of the above are only to illustrate example and for further illustrating that the present invention's applies for a patent model
Enclose, be not used to limit to scope of the invention.
Brief description of the drawings
For above and other objects of the present invention, feature, advantage and embodiment can be become apparent, institute accompanying drawings are said
It is bright as follows：
Fig. 1 illustrates electronic installation skeleton diagram when slave unit pattern is operated according to a preferred embodiment of the present invention.
Fig. 2 is illustrated operates in main equipment pattern according to one of a preferred embodiment of the present invention external equipment, remaining
The electronic installation skeleton diagram that external equipment is operated under slave unit pattern.
Fig. 3 illustrates electronic installation skeleton diagram when main equipment pattern is operated according to another preferred embodiment of the invention.
Fig. 4 is illustrated operates in main equipment pattern according to one of another preferred embodiment of the invention external equipment, remaining
Electronic installation skeleton diagram of external equipment when operating in slave unit pattern.
Fig. 5 illustrates the operational flowchart according to a preferred embodiment of the present invention automatic switchover USB master-slave equipment patterns.
Description of reference numerals
100 electronic installations
101 microprocessors
102USB master slave mode switching circuits
103USB hubs
105 external signals
106 control signals
107 first ends
108 second ends
109 the 3rd ends
110 first power supplys
111 second sources
112 device power supply (DPS)s
113 first power control signals
114 second source control signals
115 the 3rd power control signals
116 switch-over control signals
117 switches
118 the 4th power control signals
1011,1012 ..., 101n USB interfaces
1021,1022 ..., 102n USB switching switches
1031 upstream Interfaces
1032,1033 ..., 103n downstream interfaces
1041,1042 ..., 104n external equipments
501-503 steps
Embodiment
Described in detail below for preferred embodiment of the present invention with appended icon, following explanation and icon is used
Identical reference numeral then gives omission to represent same or like component in the same or like component of repeated description.
Fig. 1 is illustrated can automatically switch USB (USB) master-slave equipment pattern according to a preferred embodiment of the present invention
Electronic installation skeleton diagram.This electronic installation 100 include a microprocessor 101, a USB master slave modes switching circuit 102 and
One usb hub 103.Wherein microprocessor 101 includes multiple usb 1 011,1012 ... 101n, in the present embodiment,
Each usb 1 011,1012 ... 101n can be Mini USB interfaces or type A or the USB interface of type B.USB master slave modes
Switching circuit 102 includes multiple USB switchings switch 1021,1022 ..., 102n.This little usb 1 011,1012 ... 101n points
Not Tou Guo usb bus and corresponding USB switching switch 1021,1022 ..., 102n coupling.Usb hub 103 includes on one
Line interface 1031 and multiple downstream interfaces 1032,1033 ..., 103n.This little upstream Interfaces 1031 and downstream interface 1032,
1033 ..., 103n also switchs 1021,1022 through usb bus and corresponding USB switchings respectively ..., 102n couplings.In this reality
Apply in mode, 1021,1022 ..., 102n of every USB switching switch is a three-terminal assembly, first end 107 therein and correspondingly
The corresponding upstream Interface 1031 of the USB interface coupling of microprocessor 101, the second end 108 and correspondence usb hub 103 and under
Shape interface 1032,1033 ..., 103n couplings, the 3rd the end 109 then corresponding external equipment 1041,1042 ... with one, 104n couplings
Connect.According to this, when USB master slave modes switching circuit 102 is connected with multiple external equipments, microprocessor 101 is can pass through according to one
The control signal 106 that external signal 105 is sent, switching USB master slave modes switching circuit 102, to cause external equipment 1041,
1042 ..., 104n and microprocessor 101 are coupled, or are coupled with usb hub 103, are used and are changed this little external equipment 1041,
1042 ..., 104n mode of operation, main equipment pattern or slave unit pattern.In the present embodiment, external signal 105 is one
Video detecting signal or a multi-media signal.
In one embodiment, the second end of the coupling USB switchings of upstream Interface 1031 switch 1021 of usb hub 103
108.Now, when microprocessor 101, which does not detect external signal 105, to be inputted, microprocessor 101 sends control signal 106,
USB master slave modes switching circuit 102 is according to this control signal 106 so that external equipment 1041,1042 ..., and 104n is through correspondence
USB switchings switch 1021,1022 ..., usb 1 011,1012 ... the 101n of 102n and microprocessor 101 coupling.According to
This, external equipment 1041,1042 ..., 104n is operated in slave unit pattern, is used as the slave unit of microprocessor 101.Wherein, exist
In one embodiment, outer video signal includes DP, HDMI, VGA, simulation video signal and the digital video signal such as DVI.The opposing party
Face, as shown in Fig. 2 when microprocessor 101 has detected external signal 105 and inputted, microprocessor 101 sends control signal
106, USB master slave mode switching circuits 102 are according to this control signal 106 so that external equipment 1041,1042 ..., and 104n is passed through
Corresponding USB switching switch 1021,1022 ..., 102n respectively with the upstream Interface 1031 of usb hub 103 and multiple descending
Interface 1032,1033 ..., 103n couplings.According to this, because the upstream Interface 1031 of usb hub 103 is to switch to switch with USB
1021 couplings, remaining USB switchings switch 1022,1023 ..., 102n then couples the downstream interface 1032 of hub 103,
1033,…,103n.Therefore, through hub 103, external equipment 1041 is operated in main equipment pattern, as a main equipment, and
External equipment 1042,1043 ..., 104n is operated in slave unit pattern, is used as the slave unit of external equipment 1041.
Fig. 3 illustrate according to another preferred embodiment of the invention can automatically switch USB master-slave equipment patterns electronic installation it is general
Sketch map.In this embodiment, electronic installation 100 further includes one first power supply 110, a second source 111, multiple equipment power supply
112 and switch 117.The USB power source that wherein the first power supply 110 is provided by microprocessor 101.Second source 111 is as master
The USB power source that the external equipment of equipment is provided.The coupling of multiple equipment power supply 112 switch 117, a switch-over control signal 116 is controlled
System switch 117, the USB power source that selection microprocessor 101 is provided is as multiple equipment power supply 112, or selects by USB set line
Device is transmitted, and the USB power source provided by the external equipment as main equipment is as multiple equipment power supply 112.
According to this, when microprocessor 101, which does not detect external signal 105, to be inputted, please refer to Fig. 1 and Fig. 3, microprocessor
The control USB master slave modes of device 101 switching circuit 102 so that external equipment 1041,1042 ..., 104n is operated in slave unit mould
Formula, is used as the slave unit of microprocessor 101.Now microprocessor 101 sends the first power control signal 113, the electricity of control first
The slave unit 1041 of the usb 1 011 of the 110 pairs of coupling microprocessors 101 in source provides USB power source, while a switch-over control signal
116, controlling switch 117, the 3rd power control signal 115 that selection control microprocessor 101 is sent is with control device power supply 112
Correspondence external equipment 1042 is given ..., 104n.
On the other hand, it is micro- please refer to Fig. 2 and Fig. 4 when microprocessor 101, which has detected external signal 105, to be inputted
The control USB master slave modes of processor 101 switching circuit 102 so that the upstream Interface of external equipment 1041 and usb hub 103
The downstream interface 1032,1033 ... of 1031 couplings, external equipment 1042 ..., 104n and usb hub 103,103n couplings.Its
In, external equipment 1041 is operated in main equipment pattern, as a main equipment, and external equipment 1042,1043 ..., 104n operations
In slave unit pattern, the slave unit of external equipment 1041 is used as.Now microprocessor 101 sends second source control signal 114,
The USB power source that external equipment 1041 as main equipment is provided sends the evidence of usb hub 103 to as second source 111
To produce one the 4th power control signal 118.Switch-over control signal 116, controlling switch 117, select usb hub 103 simultaneously
The 4th power control signal 118 sent gives correspondence external equipment 1042 with control device power supply 112 ..., 104n.
Fig. 5 illustrates the operational flowchart according to a preferred embodiment of the present invention automatic switchover USB master-slave equipment patterns.Please be same
When refer to the 1,2nd figure and Fig. 5.First in step 501, microprocessor carries out an external signal detecting.In one embodiment, outside
Portion's signal 105 is a video detecting signal or a multi-media signal.Then step 502, when microprocessor is not detected outside one
During signal, USB master slave mode switching circuits make multiple external equipment coupling microprocessors, and wherein external equipment operation is in slave unit
Pattern.In one embodiment, when microprocessor 101 does not detect external signal 105, microprocessor 101 sends control letter
Numbers 106 control USB master slave modes switching circuits 102 so that external equipment 1041,1042 ..., 104n is cut through corresponding USB
Switch 1021,1022 is changed ..., usb 1 011,1012 ... the 101n couplings of 102n and microprocessor 101.According to this, outside is set
Standby 1041,1042 ..., 104n are operated in slave unit pattern, are used as the slave unit of microprocessor 101.
On the other hand, step 503, when microprocessor detects an external signal, USB master slave mode switching circuits make outer
Portion equipment couples a usb hub, the operation of one of them external equipment in main equipment pattern, the operation of remaining external equipment from
Equipment mode.In one embodiment, when microprocessor 101, which has detected external signal 105, to be inputted, microprocessor 101 is sent out
Go out the control USB master slave modes of control signal 106 switching circuit 102 so that external equipment 1041,1042 ..., 104n is through correspondence
USB switching switch 1021,1022 ..., the upstream Interfaces 1031 and multiple downstream interfaces of 102n respectively with usb hub 103
1032,1033 ..., 103n couplings.According to this, because the upstream Interface 1031 of usb hub 103 is and USB switchings switch 1021
Coupling, remaining USB switchings switch 1022,1023 ..., 102n then couples the downstream interface 1032,1033 ... of hub 103,
103n.Therefore, through hub 103, external equipment 1041 is operated in main equipment pattern, as a main equipment, and external equipment
1042,1043 ..., 104n are operated in slave unit pattern, are used as the slave unit of external equipment 1041.
Summary is sayed that, through the framework of the present invention, microprocessor can be according to the output control for detecting an external signal
USB master slave mode switching circuits, use the external equipment mode of operation of conversion coupling, main equipment pattern or slave unit pattern, reach
To the purpose of automatic switchover.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any to be familiar with this skill
Person, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection scope of the present invention is worked as
Depending on appended claims, the person of defining is defined.
Claims (8)
1. one kind can automatically switch, the electronic installation of USB (USB) master-slave equipment pattern, is comprised at least：
One microprocessor；
One usb hub；And
One USB master slave mode switching circuits, a point Do couples the microprocessor and the usb hub, to make multiple external equipments
The microprocessor or the usb hub are coupled through the USB master slave modes switching circuit, the usb hub is included on one
Line interface and multiple downstream interfaces, the USB master slave modes switching circuit include multiple switching switches, and each switching switch is
One three-terminal assembly, including a first end, one second end and one the 3rd end, wherein the microprocessor and the multiple switching are opened
The first end coupling closed, the upstream Interface and the multiple downstream interface of the usb hub respectively with it is described many
Second end coupling of individual switching switch, the 3rd end coupling of the multiple external equipment respectively with the multiple switching switch
Connect,
Wherein when the microprocessor does not detect an external signal, the USB master slave modes switching circuit makes described many
Individual external equipment couples the microprocessor, and the multiple external equipment is operated in slave unit pattern, and
When the microprocessor detects an external signal, switching the USB master slave modes switching circuit makes outside the multiple
Portion equipment couples the usb hub, and the operation of one of the multiple external equipment is set in main equipment pattern, outside remaining
Standby operation is in slave unit pattern.
2. the electronic installation for the USB master-slave equipment patterns that can automatically switch as claimed in claim 1, it is characterised in that described micro-
Processor further includes multiple USB interfaces, wherein the first end coupling of the multiple USB interface respectively with the multiple switching switch
Connect.
3. the electronic installation for the USB master-slave equipment patterns that can automatically switch as claimed in claim 1, it is characterised in that operation exists
The external equipment of main equipment pattern and couple the upstream Interface switching switch the coupling of the 3rd end, operation from
What the multiple external equipment of remaining of equipment mode was switched with the multiple switching for coupling the multiple lower shape interface respectively
3rd end is coupled.
4. the electronic installation for the USB master-slave equipment patterns that can automatically switch as claimed in claim 1, it is characterised in that described outer
Portion's signal is a multi-media signal or a video detecting signal.
5. the electronic installation for the USB master-slave equipment patterns that can automatically switch as claimed in claim 1, it is characterised in that further include
One first power supply, a second source and at least one device power supply (DPS), wherein first power supply is provided by the microprocessor
A USB power source, the USB power source that the second source is provided by the external equipment of the operation under main equipment pattern.
6. the electronic installation for the USB master-slave equipment patterns that can automatically switch as claimed in claim 5, it is characterised in that when described
Multiple external equipment operations are in slave unit pattern, and the microprocessor sends a power control signal, control first electricity
The USB power source that source and at least one described device power supply (DPS) offer microprocessor are provided is to the multiple external equipment.
7. the electronic installation for the USB master-slave equipment patterns that can automatically switch as claimed in claim 5, it is characterised in that when described
The operation of one of multiple external equipments is in main equipment pattern, and remaining the multiple external equipment operation is in slave unit pattern
When, the microprocessor sends a power control signal, controls the second source and at least one described device power supply (DPS) to carry
For operating the USB power source that the external equipment under main equipment pattern is provided, to this, remaining is operated under slave unit pattern
The multiple external equipment.
8. a kind of operating method of the electronic installation of claim 1, is comprised at least：
The microprocessor carries out the external signal detecting；
When not detecting the external signal, the USB master slave modes switching circuit makes the multiple external equipment coupling institute
Microprocessor is stated, the multiple external equipment operation is in slave unit pattern；And
When detecting an external signal, the USB master slave modes switching circuit makes the multiple external equipment couple the USB
Hub, one of the multiple external equipment operation is operated in slave unit mould in main equipment pattern, remaining external equipment
Formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181039.8A CN105095132B (en) | 2014-04-30 | 2014-04-30 | The electronic installation and its operating method for the USB master-slave equipment pattern that can automatically switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181039.8A CN105095132B (en) | 2014-04-30 | 2014-04-30 | The electronic installation and its operating method for the USB master-slave equipment pattern that can automatically switch |
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| Publication Number | Publication Date |
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| CN105095132A CN105095132A (en) | 2015-11-25 |
| CN105095132B true CN105095132B (en) | 2017-10-31 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107318037A (en) * | 2016-04-26 | 2017-11-03 | 宏碁股份有限公司 | Electronic installation and image transmission control method |
| KR20180002462A (en) * | 2016-06-29 | 2018-01-08 | 삼성전자주식회사 | Method for determing role of electronic device and electronic device thereof |
| CN107818064B (en) * | 2016-09-14 | 2021-03-09 | 展汇科技股份有限公司 | Operation method of universal serial bus concentrator supporting master-slave conversion |
| CN106484645A (en) * | 2016-09-21 | 2017-03-08 | 乐视控股（北京）有限公司 | USB interface mode switching method, device and intelligent terminal |
| CN106776428B (en) * | 2016-12-06 | 2020-05-08 | 广州视源电子科技股份有限公司 | Terminal device, read-write device, data transmission system and hardware initialization method |
| CN108959141A (en) * | 2018-06-11 | 2018-12-07 | 广州视源电子科技股份有限公司 | Usb interface system, method, apparatus, equipment and the storage medium for distributing USB bandwidth |
| CN113168207A (en) * | 2019-05-31 | 2021-07-23 | 华为技术有限公司 | Interface assembly, chip and electronic equipment |
| TW202145023A (en) * | 2020-05-19 | 2021-12-01 | 智原科技股份有限公司 | Adaptor device |
| CN113656342B (en) * | 2021-08-24 | 2022-05-03 | 深圳市康冠商用科技有限公司 | USB interface switching control method and device, all-in-one machine equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532512B1 (en) * | 1998-08-28 | 2003-03-11 | Matsushita Electric Industrial Co., Ltd. | Selectively coupling an upstream terminal to a USB hub circuit in accordance with a video sync signal |
| TWI225988B (en) * | 2003-03-11 | 2005-01-01 | Prolific Technology Inc | Apparatus provided with USB host/hub and method for controlling the same |
| CN2760671Y (en) * | 2004-12-08 | 2006-02-22 | 希旺科技股份有限公司 | USB interface accessing device capable of switching mode |
| CN100336041C (en) * | 2002-07-26 | 2007-09-05 | 摩托罗拉公司 | Dual-role compatible USB hub device and method |
| CN101526930A (en) * | 2008-10-13 | 2009-09-09 | 建荣集成电路科技(珠海)有限公司 | USB interface master-slave machine detection device and detection method |
-
2014
- 2014-04-30 CN CN201410181039.8A patent/CN105095132B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6532512B1 (en) * | 1998-08-28 | 2003-03-11 | Matsushita Electric Industrial Co., Ltd. | Selectively coupling an upstream terminal to a USB hub circuit in accordance with a video sync signal |
| CN100336041C (en) * | 2002-07-26 | 2007-09-05 | 摩托罗拉公司 | Dual-role compatible USB hub device and method |
| TWI225988B (en) * | 2003-03-11 | 2005-01-01 | Prolific Technology Inc | Apparatus provided with USB host/hub and method for controlling the same |
| CN2760671Y (en) * | 2004-12-08 | 2006-02-22 | 希旺科技股份有限公司 | USB interface accessing device capable of switching mode |
| CN101526930A (en) * | 2008-10-13 | 2009-09-09 | 建荣集成电路科技(珠海)有限公司 | USB interface master-slave machine detection device and detection method |
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