CN105404600B - Take into account the method and device of USB eye patterns performance and OTG functions - Google Patents
Take into account the method and device of USB eye patterns performance and OTG functions Download PDFInfo
- Publication number
- CN105404600B CN105404600B CN201510703554.2A CN201510703554A CN105404600B CN 105404600 B CN105404600 B CN 105404600B CN 201510703554 A CN201510703554 A CN 201510703554A CN 105404600 B CN105404600 B CN 105404600B
- Authority
- CN
- China
- Prior art keywords
- usb
- mobile terminal
- external equipment
- driving current
- usb driving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- 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
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention discloses a kind of method and devices for taking into account USB eye patterns performance and OTG functions.This method includes：Detect whether that external equipment accesses mobile terminal by USB interface；When there is external equipment to access mobile terminal, judge it is as slave device or as main equipment when mobile terminal is communicated with external equipment；When mobile terminal is as slave device, according to the first USB driving current parameter setting USB driving currents；When mobile terminal is as main equipment, according to the 2nd USB driving current parameter setting USB driving currents；Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, and the 2nd USB driving current parameters are according to the definite USB driving current parameters of OTG compatibility.This invention ensures that USB transmission performance when mobile terminal is as slave device, while OTG compatibility when ensure that mobile terminal as main equipment.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of sides for taking into account USB eye patterns performance and OTG functions
Method and device.
Background technology
With the development of intelligent mobile terminal, USB-OTG functions have become standard configuration, it is known that USB-OTG and common
USB (Universal Serial Bus, universal serial bus) function be all to be realized by USB interface.Common USB work(
Can, mobile phone is as slave device, and computer is as main equipment；And USB-OTG is precisely to allow mobile phone as main equipment and be inserted into mobile phone
Another equipment as slave device so that between mobile terminal file transmission it is more convenient.Wherein, USB-OTG is
The abbreviation of USB On The Go is the technology that developed recently gets up, and on December 18th, 2001 is by USB Implementers
Forum (USB implementer forum) is announced, and is mainly used in the connection of a variety of equipment or mobile equipment room, is carried out data
It exchanges.
Since mobile terminal screen size is increasing, general design is all that USB interface is placed on mobile phone lower end, main core
Piece is very long so as to cause USB cablings in mobile phone upper end, at the same USB as contraposition interface can on signal wire parallel connection ESD
(Electro-Static discharge, Electro-static Driven Comb) device also has USB to prevent electrostatic damage port on synchronous signal line
Switching device, it is difficult to meet the requirements that these factors, which ultimately result in USB eye diagram qualities,.USB connects as the most common interface of mobile phone
Mouthful speed quickly, if bad may result in data transmission procedure of USB eye diagram qualities is malfunctioned.
In order to promote USB eye diagram qualities, common method is to improve USB driving currents, and improvement is it is obvious that as schemed
1a, Fig. 1 b, shown in Fig. 2 a and Fig. 2 b.But for supporting the design of OTG functions, by improving USB driving currents
Improving countermeasure can affect OTG compatibility, may be decreased the recognition success rate of OTG.Therefore USB driving currents pair are improved
It is conflicting for USB transmission and OTG transmission, how to ensure the compatibility of OTG while USB transmission performance is ensured is
A problem to be solved.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of method and device for taking into account USB eye patterns performance and OTG functions, with
Ensure the compatibility of OTG while USB transmission performance is ensured.
In a first aspect, an embodiment of the present invention provides a kind of method for taking into account USB eye patterns performance and OTG functions, the sides
Method includes：
Detect whether that external equipment accesses mobile terminal by USB interface；
When have external equipment access mobile terminal when, judge be when the mobile terminal is communicated with the external equipment
Main equipment is still used as slave device；
When being as slave device when the mobile terminal is communicated with the external equipment, driven according to the first USB
Current parameters set USB driving currents；
When being as main equipment when the mobile terminal is communicated with the external equipment, driven according to the 2nd USB
Current parameters set USB driving currents；
Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, institute
It is according to the definite USB driving current parameters of OTG compatibility to state the 2nd USB driving current parameters.
Second aspect, the embodiment of the present invention additionally provides a kind of device for taking into account USB eye patterns performance and OTG functions, described
Device includes：
Detection module, for detecting whether there is external equipment to access mobile terminal by USB interface；
Judgment module, for when there is external equipment to access mobile terminal, judging that the mobile terminal is set with the outside
Standby is as slave device or as main equipment when being communicated；
First setup module, for being as slave device when the mobile terminal is communicated with the external equipment
When, according to the first USB driving current parameter setting USB driving currents；
Second setup module, for being as main equipment when the mobile terminal is communicated with the external equipment
When, according to the 2nd USB driving current parameter setting USB driving currents；
Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, institute
It is according to the definite USB driving current parameters of OTG compatibility to state the 2nd USB driving current parameters.
The embodiment of the present invention is by when having detected that external equipment accesses mobile terminal by USB interface, described in judgement
Mobile terminal is as slave device or as main equipment when being communicated with the external equipment, is conduct according to mobile terminal
Main equipment or slave device set corresponding USB driving currents, i.e., according to according to USB eye patterns when mobile terminal is as slave device
The first USB driving current parameter setting USB driving currents that performance determines, when mobile terminal is as main equipment according to basis
The 2nd definite USB driving current parameter setting USB driving currents of OTG compatibility, when ensure that mobile terminal as slave device
USB transmission performance, while OTG compatibility when ensure that mobile terminal as main equipment.
Description of the drawings
Fig. 1 a are the analogous diagrams of near-end USB eye patterns when not improving USB driving currents in the prior art；
Fig. 1 b are the analogous diagrams of distal end USB eye patterns when not improving USB driving currents in the prior art；
Fig. 2 a be in the prior art by improving USB driving currents when near-end USB eye patterns analogous diagram；
Fig. 2 b be in the prior art by improving USB driving currents when distal end USB eye patterns analogous diagram；
Fig. 3 is a kind of flow chart for method for taking into account USB eye patterns performance and OTG functions that the embodiment of the present invention one provides；
Fig. 4 is a kind of flow chart of method for taking into account USB eye patterns performance and OTG functions provided by Embodiment 2 of the present invention；
Fig. 5 is a kind of structural representation for device for taking into account USB eye patterns performance and OTG functions that the embodiment of the present invention three provides
Figure.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than full content are illustrated only in description, attached drawing.
Embodiment one
Fig. 3 is a kind of flow chart for method for taking into account USB eye patterns performance and OTG functions that the embodiment of the present invention one provides,
The mobile terminal that the present embodiment is applicable to have the function of USB-OTG ensures the compatibility of OTG while USB eye pattern performances are ensured
Property, this method can be performed by having the function of the mobile terminal of USB-OTG, specifically comprised the following steps：
Step 310, detected whether that external equipment accesses mobile terminal by USB interface.
Mobile terminal has detected whether that external equipment is connect by USB interface by detecting the signal intensity of USB hardware circuit
Enter the mobile terminal.
Wherein, detected whether that external equipment accesses mobile terminal by USB interface, preferably included：
By detecting the level change of USB interface, detect whether that external equipment accesses mobile terminal by USB interface.
When there is external equipment to access mobile terminal by USB interface, the level change of USB interface can be caused, according to this
The level change of USB interface, it is possible to detect that external equipment has accessed mobile terminal by USB interface, work as USB interface
Level when not changing, represent that no external equipment accesses the mobile terminal by USB interface.
Step 320, when there is external equipment to access mobile terminal, judge that the mobile terminal is carried out with the external equipment
It is as slave device or as main equipment during communication.
When having detected that external equipment accesses mobile terminal, judge that the mobile terminal is led to the external equipment
During letter, the mobile terminal is as slave device or as main equipment.Specifically there can be the USB of OTG by judgement
The level change situation of interface chip, to be as slave device when judging that the mobile terminal is communicated with the external equipment
Or as main equipment.
When judging that the mobile terminal is communicated with the external equipment, be as slave device or as main equipment,
It specifically includes：
By judging USB ID pin levels, judge when the mobile terminal is communicated with the external equipment it is conduct
Slave device is still used as main equipment.
The mobile terminal for having the function of USB-OTG adds the 5th pin-ID, for being identified by USB interface access
External equipment be as main equipment or slave device, so as to configure itself as corresponding slave device or main equipment, specifically,
When mobile terminal detection ID pins ground connection, the external equipment that represents access mobile terminal be as USB device, i.e. slave device,
Itself is configured to USB main equipment by mobile terminal at this time；And when mobile terminal detects that ID pins are hanging, represent access movement
The external equipment of terminal is as USB main equipment, and mobile terminal itself will be configured to USB device, i.e. slave device at this time.
Step 330, when being as slave device when the mobile terminal is communicated with the external equipment, according to first
USB driving current parameter setting USB driving currents.
Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, i.e.,
When being as slave device when mobile terminal is communicated with the external equipment, then ensure that the eye pattern of USB is functional so that
The signal quality of USB eye patterns reaches optimal, it is ensured that USB data transmission quality so that the intersymbol interference between data is minimum.
Step 340, when being as main equipment when the mobile terminal is communicated with the external equipment, according to second
USB driving current parameter setting USB driving currents.
Wherein, the 2nd USB driving current parameters are according to the definite USB driving current parameters of OTG compatibility, that is, are worked as
When mobile terminal is as main equipment when being communicated with the external equipment, then ensures OTG compatibility, that is, ensure the knowledge of OTG
Other success rate can successfully identify corresponding equipment.
Wherein, the first USB driving currents parameter is more than the 2nd USB driving current parameters, so as to ensure USB's
The identification compatibility of eye pattern performance and OTG, the setting of the first USB driving currents parameter and the 2nd USB driving current parameters
Processor related to the processor of mobile terminal, different, corresponding driving current parameter may be different, but general satisfaction first
USB driving currents parameter is more than the 2nd USB driving current parameters.
The present embodiment is by when having detected that external equipment accesses mobile terminal by USB interface, judging the movement
Terminal is as slave device or as main equipment, when as slave device, according to root when being communicated with the external equipment
The first USB driving current parameter setting USB driving currents determined according to USB eye pattern performances, as main equipment when according to basis
The 2nd definite USB driving current parameter setting USB driving currents of OTG compatibility, according to mobile terminal be as main equipment also
It is that slave device sets corresponding USB driving currents, USB transmission performance when ensure that mobile terminal as slave device is protected simultaneously
OTG compatibility when demonstrate,proving mobile terminal as main equipment.
Embodiment two
Fig. 4 is a kind of flow chart of method for taking into account USB eye patterns performance and OTG functions provided by Embodiment 2 of the present invention,
Embodiment one is optimized in the present embodiment, specifically comprises the following steps：
Step 410, detected whether that external equipment accesses mobile terminal by USB interface.
Step 420, when there is external equipment to access mobile terminal, judge that the mobile terminal is carried out with the external equipment
It is as slave device or as main equipment during communication.
Step 430, when being as slave device when the mobile terminal is communicated with the external equipment, according to first
USB driving current parameter setting USB driving currents.
Step 440, when being as main equipment when the mobile terminal is communicated with the external equipment, according to second
USB driving current parameter setting USB driving currents.
Step 450, when detecting that the external equipment extracts the USB interface of mobile terminal, electricity is driven according to the first USB
Flow parameter setting USB driving currents.
When being as main equipment when the mobile terminal communicates with the external equipment into school, driven according to the 2nd USB
After streaming current parameter setting USB driving currents, the external equipment is detected in real time whether extract the USB of the mobile terminal and connect
Mouthful, when detecting that the external equipment extracts the USB interface of the mobile terminal, USB driving current parameters are arranged to first
USB driving current parameters, because when external equipment is inserted into mobile terminal, which is largely as slave device, institute
To give tacit consent to USB driving currents parameter as the first USB driving current parameters, ensure the eye pattern performance of USB.
The present embodiment is by when having detected that external equipment accesses mobile terminal by USB interface, judging the movement
Terminal is as slave device or as main equipment, when as slave device, according to root when being communicated with the external equipment
The first USB driving current parameter setting USB driving currents determined according to USB eye pattern performances, as main equipment when according to basis
The 2nd definite USB driving current parameter setting USB driving currents of OTG compatibility are moved when detecting that the external equipment is extracted
It is as master according to mobile terminal according to the first USB driving current parameter setting USB driving currents during the USB interface of dynamic terminal
Equipment or the corresponding USB driving currents of slave device setting, USB transmission performance when ensure that mobile terminal as slave device,
OTG when ensureing mobile terminal as main equipment is compatible simultaneously, compared with embodiment one, when mobile terminal is as main equipment,
After the 2nd USB driving current parameter setting USB driving currents, when detecting that external equipment extracts mobile terminal, by USB
Driving current parameter is arranged to the first driving current parameter, that is, gives tacit consent to when mobile terminal is communicated with external equipment as USB
Slave device, because most of mobile terminals drive with being as slave device during external device communication so as to omit configuration USB
This step of streaming current parameter, so as to save the time.
Embodiment three
Fig. 5 is a kind of structural representation for device for taking into account USB eye patterns performance and OTG functions that the embodiment of the present invention three provides
Figure, as shown in figure 5, take into account the USB eye patterns performance and the device of OTG functions described in the present embodiment include detection module 510, judge
Module 520, the first setup module 530 and the second setup module 540.
Wherein, detection module 510 is for detecting whether there is external equipment to access mobile terminal by USB interface；
Judgment module 520 is used to, when there is external equipment to access mobile terminal, judge the mobile terminal and the outside
It is as slave device or as main equipment when equipment is communicated；
First setup module 530 is used to be as slave device when the mobile terminal is communicated with the external equipment
When, according to the first USB driving current parameter setting USB driving currents；
Second setup module 540 is used to be as main equipment when the mobile terminal is communicated with the external equipment
When, according to the 2nd USB driving current parameter setting USB driving currents；
Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, institute
It is according to the definite USB driving current parameters of OTG compatibility to state the 2nd USB driving current parameters.
Wherein, the first USB driving current parameters are preferably greater than the 2nd USB driving current parameters.
Preferably, the judgment module is specifically used for：
By judging USB ID pin levels, judge when the mobile terminal is communicated with the external equipment it is conduct
Slave device is still used as main equipment.
Preferably, the detection module is specifically used for：
By detecting the level change of USB interface, detect whether that external equipment accesses mobile terminal by USB interface.
Preferably, this takes into account USB eye patterns performance and the device of OTG functions further includes：
3rd setup module, for being as main equipment when the mobile terminal is communicated with the external equipment
When, after the 2nd USB driving current parameter setting USB driving currents, moved eventually when detecting that the external equipment is extracted
During the USB interface at end, according to the first USB driving current parameter setting USB driving currents.
The said goods can perform the method that any embodiment of the present invention is provided, and possess the corresponding function module of execution method
And advantageous effect.
Note that it above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various apparent variations,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
It can include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. method for taking into account USB eye patterns performance and OTG functions, which is characterized in that the described method includes：Detect whether that external equipment accesses mobile terminal by USB interface；When there is external equipment to access mobile terminal, judge when the mobile terminal is communicated with the external equipment it is conduct Slave device is still used as main equipment；When being as slave device when the mobile terminal is communicated with the external equipment, according to the first USB driving currents Parameter setting USB driving currents；When being as main equipment when the mobile terminal is communicated with the external equipment, according to the 2nd USB driving currents Parameter setting USB driving currents；Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, described Two USB driving current parameters are according to the definite USB driving current parameters of OTG compatibility, the first USB driving current parameters It is determined with the 2nd USB driving currents parameter by the processor of the mobile terminal.
- 2. according to the method described in claim 1, it is characterized in that, the first USB driving currents parameter is more than described second USB driving current parameters.
- 3. according to the method described in claim 1, it is characterized in that, judge that the mobile terminal is led to the external equipment During letter, be as slave device or as main equipment, including：By judging USB ID pin levels, judge it is as from setting when the mobile terminal is communicated with the external equipment It is standby to be still used as main equipment.
- 4. it according to the method described in claim 1, is moved it is characterized in that, having detected whether that external equipment is accessed by USB interface Dynamic terminal, including：By detecting the level change of USB interface, detect whether that external equipment accesses mobile terminal by USB interface.
- 5. according to any methods of claim 1-4, which is characterized in that when the mobile terminal and the external equipment When being as main equipment when being communicated, after the 2nd USB driving current parameter setting USB driving currents, further include：When detecting that the external equipment extracts the USB interface of mobile terminal, according to the first USB driving current parameter settings USB driving currents.
- 6. a kind of device for taking into account USB eye patterns performance and OTG functions, which is characterized in that described device includes：Detection module, for detecting whether there is external equipment to access mobile terminal by USB interface；Judgment module, for when there is external equipment to access mobile terminal, judge the mobile terminal and the external equipment into It is as slave device or as main equipment during row communication；First setup module during for being as slave device when the mobile terminal is communicated with the external equipment, is pressed According to the first USB driving current parameter setting USB driving currents；Second setup module during for being as main equipment when the mobile terminal is communicated with the external equipment, is pressed According to the 2nd USB driving current parameter setting USB driving currents；Wherein, the first USB driving current parameters are the USB driving current parameters determined according to USB eye pattern performances, described Two USB driving current parameters are according to the definite USB driving current parameters of OTG compatibility, the first USB driving current parameters It is determined with the 2nd USB driving currents parameter by the processor of the mobile terminal.
- 7. device according to claim 6, which is characterized in that the first USB driving currents parameter is more than described second USB driving current parameters.
- 8. device according to claim 6, which is characterized in that the judgment module is specifically used for：By judging USB ID pin levels, judge it is as from setting when the mobile terminal is communicated with the external equipment It is standby to be still used as main equipment.
- 9. device according to claim 6, which is characterized in that the detection module is specifically used for：By detecting the level change of USB interface, detect whether that external equipment accesses mobile terminal by USB interface.
- 10. according to any devices of claim 6-9, which is characterized in that further include：3rd setup module, for when being as main equipment when the mobile terminal is communicated with the external equipment, After the 2nd USB driving current parameter setting USB driving currents, when detecting that the external equipment extracts mobile terminal During USB interface, according to the first USB driving current parameter setting USB driving currents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703554.2A CN105404600B (en) | 2015-10-23 | 2015-10-23 | Take into account the method and device of USB eye patterns performance and OTG functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703554.2A CN105404600B (en) | 2015-10-23 | 2015-10-23 | Take into account the method and device of USB eye patterns performance and OTG functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105404600A CN105404600A (en) | 2016-03-16 |
| CN105404600B true CN105404600B (en) | 2018-05-25 |
Family
ID=55470096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703554.2A Active CN105404600B (en) | 2015-10-23 | 2015-10-23 | Take into account the method and device of USB eye patterns performance and OTG functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105404600B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527639B (en) * | 2016-09-21 | 2019-10-25 | 奇酷互联网络科技（深圳）有限公司 | OTG connection control method, main equipment and terminal device |
| CN109921959A (en) * | 2019-03-22 | 2019-06-21 | 维沃移动通信有限公司 | A kind of parameter regulation means and communication equipment |
| CN111858430A (en) * | 2020-07-07 | 2020-10-30 | 上海龙旗科技股份有限公司 | OTG optimization method and system of mobile terminal |
| CN112256610B (en) * | 2020-10-19 | 2022-05-06 | Tcl通讯（宁波）有限公司 | Connection control method, system, storage medium and mobile terminal |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744821A (en) * | 2014-01-10 | 2014-04-23 | 广东欧珀移动通信有限公司 | Method and device for realizing USB OTG (Universal Serial Bus On-The-Go) function of mobile terminal |
| CN104750226A (en) * | 2013-12-31 | 2015-07-01 | 联芯科技有限公司 | USB (universal serial bus) OTG (on-the-go) pattern recognition system and USB OTG pattern recognition method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4659175B2 (en) * | 2000-04-25 | 2011-03-30 | 富士通東芝モバイルコミュニケーションズ株式会社 | Mobile communication terminal |
-
2015
- 2015-10-23 CN CN201510703554.2A patent/CN105404600B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104750226A (en) * | 2013-12-31 | 2015-07-01 | 联芯科技有限公司 | USB (universal serial bus) OTG (on-the-go) pattern recognition system and USB OTG pattern recognition method |
| CN103744821A (en) * | 2014-01-10 | 2014-04-23 | 广东欧珀移动通信有限公司 | Method and device for realizing USB OTG (Universal Serial Bus On-The-Go) function of mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105404600A (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105404600B (en) | Take into account the method and device of USB eye patterns performance and OTG functions | |
| CN106104506B (en) | For entering the method, apparatus and computer program product of attachment joint mode in USB c-type interface | |
| CN100495377C (en) | Method for inspecting type of connected peripheral apparatus and terminal interface | |
| CN103618356B (en) | The charging system of a kind of mobile terminal and charging method thereof | |
| CN108920397B (en) | Device identification method and device, storage medium and electronic device | |
| CN105677420B (en) | interface pin configuration method and device | |
| CN102223439B (en) | Electronic equipment with USB interface and USB communication starting method thereof | |
| CN105071484B (en) | A kind of charging method and device of the terminal with data exchanging function | |
| WO2017161750A1 (en) | Mobile apparatus | |
| CN105183679A (en) | Electronic device and information processing method | |
| CN112799985B (en) | USB interface control method, USB control circuit and intelligent networking equipment mainboard | |
| CN203376424U (en) | Wire harness detection apparatus | |
| CN204576500U (en) | A kind of usb communication circuit of compatible I2C communication and system | |
| CN105048018B (en) | The charging method and device of a kind of terminal with data exchanging function | |
| CN105677596A (en) | Control method and electronic equipment | |
| CN107422825A (en) | A kind of CDP mouths charge control method, device, storage medium and electronic equipment | |
| CN107885688A (en) | A kind of signal switching method and device | |
| CN102761624B (en) | Method and device for debugging Internet access out of panel | |
| CN105068954B (en) | The communication means and device of terminal interface | |
| CN105824732A (en) | USB detection method and detection system | |
| CN107819344A (en) | Charging control circuit, charge control method and mobile terminal | |
| CN204028696U (en) | The proving installation of air conditioner line control machine and system | |
| CN106856289A (en) | Electronic equipment and its circuit, interconnecting device and its circuit and signal processing system | |
| CN206441175U (en) | A kind of isolator of movable storage device | |
| CN104936055A (en) | Terminal with earphone interface and earphone interface adaptive method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |