CN106792131B - Data transmission method and device - Google Patents
Data transmission method and device Download PDFInfo
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- CN106792131B CN106792131B CN201611208835.1A CN201611208835A CN106792131B CN 106792131 B CN106792131 B CN 106792131B CN 201611208835 A CN201611208835 A CN 201611208835A CN 106792131 B CN106792131 B CN 106792131B
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- slimport
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- adapter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
Abstract
This disclosure relates to a kind of data transmission method and device, applied to the terminal with slimport module and data-interface.The data transmission method comprises determining that the data-interface access external equipment；Judge whether the external equipment is slimport adapter；When the external equipment is slimport adapter, detection function of the battery charging management module to the data-interface of the terminal is closed；After detection function closing, start the slimport module to transmit data.The disclosure passes through whether the external equipment for judging to access data-interface is slimport adapter, and when it is slimport adapter that judgement is described, close detection function of the battery charging management module to the data-interface of the mobile terminal, and then interference when avoiding the slimport module transfer data by the battery charging management module, solve the problems, such as that battery charging management module will affect the transmission of slimport data to the detection of data-interface.
Description
Technical field
This disclosure relates to the communications field, and in particular, to a kind of data transmission method and device.
Background technique
Slimport technology can on mobile terminal high definition 2D and 3D video and audio output to there is HDMI/
In the equipment of Displayport/DVI/VGA.It is a cable in Slimport form, one end is miniUSB interface, the other end
It is HDMI/Displayport/DVI/VGA interface, certainly, this needs mobile device to have related chip to send data, while outer
Also there is corresponding chip on portion's Slimport cable to be received and converted into video, the audio signal of common format.SlimPort
Solution allows users to show their mobile desktop on large screen, to enhance user experience, obtains preferably raw
Force of labor.
After Slimport adapter is inserted into data-interface, Slimport transmits number by the D+ pin of USB, D- pin
According to.And the battery charging management module inside mobile device then by detection USB interface D+ pin and D- pin whether short circuit come
Judge whether to be charger access device.Therefore, after Slimport is accessed and is started to work, battery charging management module starts
When whether detection D+ pin, D- pin are short-circuit, the transmission of slimport data-signal will affect.
Summary of the invention
Purpose of this disclosure is to provide a kind of data transmission method and devices, to solve battery charging management module logarithm
The problem of will affect the transmission of slimport data according to the detection of interface.
To achieve the goals above, the disclosure provides a kind of data transmission method, be applied to have slimport module and
The mobile terminal of data-interface, the data transmission method include:
Determine the data-interface access external equipment；
Judge whether the external equipment is slimport adapter；
When the external equipment is slimport adapter, the battery charging management module pair of the mobile terminal is closed
The detection function of the data-interface；
After detection function closing, start the slimport module to transmit data.
Optionally, the data-interface is USB interface, described to judge whether the external equipment is slimport adaptation
Device, comprising:
Judge the ID pin of the USB interface and is with the featured resistance of slimport characteristic value in the external equipment
No connect and ground；
When the ID pin and the featured resistance connect and ground, determine the external equipment for slimport adaptation
Device.
Optionally, detection function of the battery charging management module for closing the mobile terminal to the data-interface
It can, comprising:
The battery charging management module is closed to the D+ pin of the USB interface and the detection function of D- pin.
Optionally, further includes:
Judge whether the connection between the data-interface and the slimport adapter disconnects；
When the connection between the data-interface and the slimport adapter disconnects, the slimport mould is closed
Block；
After slimport module closing, restore the battery charging management module of the mobile terminal to the data
The detection function of interface.
Optionally, the data-interface is USB interface, the judgement data-interface and the slimport adapter
Between connection whether disconnect, comprising:
Whether the ID pin for detecting the USB interface is vacant state；
When the ID pin is vacant state, the company between the slimport adapter and the USB interface is determined
Connect disconnection.
The disclosure additionally provides a kind of data transmission device, applied to the movement with slimport module and data-interface
Terminal, the data transmission device include:
Determining module, for determining the data-interface access external equipment；
First judgment module, for judging whether the external equipment is slimport adapter；
First closedown module, for closing the mobile terminal when the external equipment is slimport adapter
Detection function of the battery charging management module to the data-interface；And
Starting module, for starting the slimport module to transmit data after detection function closing.
Optionally, the data-interface is USB interface, and the first judgment module includes:
Judging submodule has slimport special in the ID pin and the external equipment for judging the USB interface
The featured resistance of value indicative whether connect and ground；And
First determines submodule, described outer for determining when the ID pin and the featured resistance connect and ground
Connecing equipment is slimport adapter.
Optionally, first closedown module is specifically used for closing the battery charging management module to the USB interface
D+ pin and D- pin detection function.
Optionally, further includes:
Second judgment module, for judging whether the connection between the data-interface and the slimport adapter breaks
It opens；
Second closedown module, for when between the data-interface and the slimport adapter connection disconnect when,
Close the slimport module；And
Recovery module, for restoring the battery charging management of the mobile terminal after slimport module closing
Detection function of the module to the data-interface.
Optionally, the data-interface is USB interface, and second judgment module includes:
Detection sub-module, whether the ID pin for detecting the USB interface is vacant state；And
Second determine submodule, for when the ID pin be vacant state when, determine the slimport adapter with
Connection between the USB interface disconnects.
The technical scheme provided by this disclosed embodiment can include the following benefits:
Whether the external equipment by judging to access the data-interface of mobile terminal is slimport adapter, and is being determined
It is described be slimport adapter when, close detection of the battery charging management module of the mobile terminal to the data-interface
Function, and then interference when avoiding the slimport module transfer data by the battery charging management module, solve
The problem of battery charging management module will affect the transmission of slimport data to the detection of data-interface.
Other feature and advantage of the disclosure will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is and to constitute part of specification for providing further understanding of the disclosure, with following tool
Body embodiment is used to explain the disclosure together, but does not constitute the limitation to the disclosure.In the accompanying drawings:
Fig. 1 is a kind of flow chart of data transmission method shown according to an exemplary embodiment.
Fig. 2 is to judge external equipment during a kind of data transmission method shown according to an exemplary embodiment includes the steps that
Whether be slimport adapter flow chart.
Fig. 3 is a kind of another flow chart of data transmission method shown according to an exemplary embodiment.
Fig. 4 is a kind of another flow chart of data transmission method shown according to an exemplary embodiment.
Fig. 5 is to judge data-interface during a kind of data transmission method shown according to an exemplary embodiment includes the steps that
The flow chart whether connection between slimport adapter disconnects.
Fig. 6 is a kind of block diagram of data transmission device shown according to an exemplary embodiment.
Fig. 7 is a kind of block diagram of the first judgment module of data transmission device shown according to an exemplary embodiment.
Fig. 8 is a kind of another block diagram of data transmission device shown according to an exemplary embodiment.
Fig. 9 is a kind of block diagram of the first judgment module of data transmission device shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of data transmission method shown according to an exemplary embodiment, as shown in Figure 1, described
Data transmission method is applied in the mobile terminal with slimport module and data-interface, includes the following steps.
In step s 11, the data-interface access external equipment is determined.
In step s 12, judge whether the external equipment is slimport adapter.
In step s 13, when the external equipment is the slimport adapter, the electricity of the mobile terminal is closed
Detection function of the pond charge management module to the data-interface；Wherein, the detection function is for detecting the data-interface
Whether charging equipment is accessed.
In step S14, after detection function closing, start the slimport module to transmit data.
Mobile terminal in the disclosure may be smart phone, smartwatch, Intelligent bracelet, tablet computer etc..The shifting
Dynamic terminal has slimport module and data-interface, for example, the smart phone with slimport chip and USB interface.
Firstly, in step s 11, determining the data-interface access external equipment.Wherein, the external equipment can be
Charger for charging to the mobile terminal is also possible to slimport adapter, is also possible to data storage and sets
It is standby, such as hard disk.After detecting that the external equipment is inserted into the data-interface, step S12 is executed.
In S12, judge whether the external equipment is slimport adapter.Judging that the external equipment is
After slimport adapter, detection function of the battery charging management module to the data-interface of the mobile terminal is closed.
Since battery charging management module can be by detecting the data-interface, to determine whether that charger is inserted into the number
According to interface, and this detection will affect the data transmission of slimport module, therefore, connect in slimport adapter insertion data
After mouthful, and before slimport module transfer data, battery charging management module is shut off to the detection function of the data-interface
Can, step S14 is then executed, starts the slimport module to transmit data.
By taking the smart phone with USB interface and slimport module as an example, firstly, when user wants smart phone screen
Curtain display picture transmission arrive video screen when, user can by one end of slimport adapter insertion smart phone USB connect
The data-interface of mouth and TV.Then, smart phone judges described external after having detected external equipment access USB interface
Whether equipment is slimport adapter.It then, is described in the external equipment for judging that user is inserted into the USB interface
After slimport adapter, detection function of the battery charging management module to the USB interface of the smart phone is closed.Most
Afterwards, after detection function closing, start the slimport module, by the display picture transmission of the smart phone screen
To video screen.
The disclosure, which passes through, judges to access whether the external equipment of the data-interface of mobile terminal is slimport adapter, and
When it is slimport adapter that judgement is described, the battery charging management module of the mobile terminal is closed to the data-interface
Detection function, and then while avoiding the slimport module transfer data, is done by the battery charging management module
It disturbs, solves the problems, such as that battery charging management module will affect the transmission of slimport data to the detection of data-interface.
Fig. 2 is to judge external equipment during a kind of data transmission method shown according to an exemplary embodiment includes the steps that
Whether be slimport adapter flow chart, as shown in Fig. 2, the data-interface be USB interface, it is described judgement it is described external
Whether equipment is slimport adapter, be may comprise steps of.
In step S121, judge that there is slimport feature in the ID pin and the external equipment of the USB interface
The featured resistance of value whether connect and ground.
In step S122, when the ID pin and the featured resistance connect and ground, the external equipment is determined
For slimport adapter.
By taking the smart phone with USB interface and slimport module as an example, firstly, when user wants smart phone screen
Curtain display picture transmission arrive video screen when, user can by one end of slimport adapter insertion smart phone USB connect
The data-interface of mouth and TV.It should be noted that the ID pin in slimport adapter is connected with an electricity for pulling down to ground
Resistance, the resistance are characterized resistance, and the resistance value of the featured resistance is specifically that the resistance value of this feature resistance is
Slimport characteristic value.When smart phone detected external equipment access USB interface after, detect the ID of the USB interface
Featured resistance in pin and the external equipment with slimport characteristic value whether connect and ground, detecting
When the featured resistance and ID pin connect and ground of slimport characteristic value, it is determined that the external equipment is slimport
Adapter.Then, smart phone can close detection function of the battery charging management module to the USB interface of the smart phone
Energy.Finally, starting the slimport module, by the display picture of the smart phone screen after detection function closing
Face is transferred to video screen.
Fig. 3 is a kind of another flow chart of data transmission method shown according to an exemplary embodiment, as shown in figure 3,
The data transmission method is applied in the mobile terminal with slimport module and USB interface, includes the following steps.
In the step s 21, the USB interface access external equipment is determined.
In step S22, judge whether the external equipment is slimport adapter.
In step S23, when the external equipment is slimport adapter, the battery charging management module is closed
The detection function of D+ pin and D- pin to the USB interface.
In step s 24, after detection function closing, start the slimport module to transmit data.
By taking the smart phone with USB interface and slimport module as an example, firstly, when user wants smart phone screen
Curtain display picture transmission arrive video screen when, user can by one end of slimport adapter insertion smart phone USB connect
The data-interface of mouth and TV.Then, smart phone judges described external after having detected external equipment access USB interface
Whether equipment is slimport adapter.It then, is described in the external equipment for judging that user is inserted into the USB interface
After slimport adapter, by down trigger slimport driver, the slimport driver first calls battery
The power function of charge management module driving, closes detection of the power function to the D+ pin and D- pin of the USB interface
Function.Finally, the slimport driver starts the slimport module, by institute after detection function closing
The display picture transmission of smart phone screen is stated to video screen.
Fig. 4 is a kind of another flow chart of data transmission method shown according to an exemplary embodiment, as shown in figure 4,
The data transmission method is applied in the mobile terminal with slimport module and data-interface, includes the following steps.
In step S41, the data-interface access external equipment is determined.
In step S42, judge whether the external equipment is slimport adapter.
In step S43, when the external equipment is slimport adapter, the battery for closing the mobile terminal fills
Detection function of the electric management module to the data-interface.
In step S44, after detection function closing, start the slimport module to transmit data.
In step S45, judge whether the connection between the data-interface and the slimport adapter disconnects.
In step S46, when the connection between the data-interface and the slimport adapter disconnects, institute is closed
State slimport module.
In step S47, after slimport module closing, restore the battery charging management mould of the mobile terminal
Detection function of the block to the data-interface.
By taking the smart phone with USB interface and slimport module as an example, firstly, when user wants smart phone screen
Curtain display picture transmission arrive video screen when, user can by one end of slimport adapter insertion smart phone USB connect
The data-interface of mouth and TV.Then, smart phone judges described external after having detected external equipment access USB interface
Whether equipment is slimport adapter.It then, is described in the external equipment for judging that user is inserted into the USB interface
After slimport adapter, detection function of the battery charging management module to the USB interface of the smart phone is closed.It connects
, after detection function closing, start the slimport module, by the display picture transmission of the smart phone screen
To video screen.When user does not need the display picture transmission of smart phone screen to video screen, will disconnect described
Slimport adapter is contacted with the smart phone.Smart phone can be judged described outer by existing usb protocol
Connect whether the connection between equipment and smart phone disconnects.When smart phone determines that the USB interface and the slimport are suitable
When connection between orchestration disconnects, the slimport module is closed.Then, after slimport module closing, restore
Detection function of the battery charging management module to the USB interface.
Fig. 5 is to judge data-interface during a kind of data transmission method shown according to an exemplary embodiment includes the steps that
The flow chart whether connection between slimport adapter disconnects moves as shown in Fig. 2, the data-interface is USB interface
Terminal is moved except through that can judge whether the connection between the slimport adapter breaks by existing usb protocol
Over, it can also judge whether the connection between the slimport adapter and the USB interface disconnects by following steps.
In step S451, whether the ID pin for detecting the USB interface is vacant state.
In step S452, when the ID pin is vacant state, the slimport adapter and the USB are determined
Connection between interface disconnects.
By taking the smart phone with USB interface and slimport module as an example, firstly, when user does not need smart phone
When the display picture transmission of screen is to video screen, contacting for the slimport adapter and the smart phone will disconnect.
Whether smart phone is vacant state by the ID pin for detecting the USB interface, that is, the ID pin for detecting the USB interface is
No output high level signal.When the ID pin is vacant state, smart phone determine the USB interface with it is described
Connection between slimport adapter disconnects, and interrupts at this point, triggering the slimport driver, the slimport drives
Dynamic program first stops the slimport module；Then, the slimport driver recalls battery charging management module
The power function of driving restores the power function to the D+ pin of the USB interface and the detection function of D- pin.
Fig. 6 is a kind of block diagram of data transmission device shown according to an exemplary embodiment.Referring to Fig. 6, the data
Transmitting device 600 is applied to the mobile terminal with slimport module and data-interface, including determining module 610, first sentences
Disconnected module 620, the first closedown module 630 and starting module 640.
The determining module 610 is for determining the data-interface access external equipment.
The first judgment module 620 is for judging whether the external equipment is slimport adapter；
First closedown module 630 is used to close the movement when the external equipment is slimport adapter
Detection function of the battery charging management module of terminal to the data-interface；And
The starting module 640 is used for after detection function closing, starts the slimport module to transmit number
According to.
Optionally, as shown in fig. 7, Fig. 7 is the first of a kind of data transmission device shown according to an exemplary embodiment
The block diagram of judgment module, the first judgment module 620 may include:
Judging submodule 621, for judge the USB interface ID pin and the external equipment in have slimport
The featured resistance of characteristic value whether connect and ground；And
First determines submodule 622, described in determining when the ID pin and the featured resistance connect and ground
External equipment is slimport adapter.
Optionally, first closedown module 630 meets the USB specifically for closing the battery charging management module
The D+ pin of mouth and the detection function of D- pin.
Optionally, as shown in figure 8, Fig. 8 is a kind of the another of data transmission device shown according to an exemplary embodiment
Block diagram, the data transmission device 600 remove including determining module 610, first judgment module 620, the first closedown module 630 and
Outside starting module 640, can also include:
Second judgment module 650, for judging that the connection between the data-interface and the slimport adapter is
No disconnection；
Second closedown module 660, for being disconnected when the connection between the data-interface and the slimport adapter
When, close the slimport module；And
Recovery module 670, for restoring the battery charging valve of the mobile terminal after slimport module closing
Module is managed to the detection function of the data-interface.
Fig. 9 is a kind of block diagram of the first judgment module of data transmission device shown according to an exemplary embodiment.Such as
Shown in Fig. 9, the data-interface is USB interface, and second judgment module 650 includes:
Detection sub-module 651, whether the ID pin for detecting the USB interface is vacant state；And
Second determines submodule 652, for determining the slimport adapter when the ID pin is vacant state
Connection between the USB interface disconnects.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
The preferred embodiment of the disclosure is described in detail in conjunction with attached drawing above, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection scope of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the disclosure to it is various can
No further explanation will be given for the combination of energy.
In addition, any combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of data transmission method, applied to the mobile terminal with slimport module and data-interface, which is characterized in that
The data transmission method includes:
Determine the data-interface access external equipment；
Judge whether the external equipment is slimport adapter；
When the external equipment is the slimport adapter, the battery charging management module pair of the mobile terminal is closed
The detection function of the data-interface, wherein the detection function is for detecting whether the data-interface accesses charging equipment；
After detection function closing, start the slimport module to transmit data.
2. data transmission method according to claim 1, which is characterized in that the data-interface is USB interface, described to sentence
Whether the external equipment that breaks is the slimport adapter, comprising:
Whether the ID pin and the featured resistance in the external equipment with slimport characteristic value for judging the USB interface connect
It connects and is grounded；
When the ID pin and the featured resistance connect and ground, determine that the external equipment is slimport adapter.
3. data transmission method according to claim 2, which is characterized in that the battery for closing the mobile terminal fills
Detection function of the electric management module to the data-interface, comprising:
The battery charging management module is closed to the D+ pin of the USB interface and the detection function of D- pin.
4. data transmission method according to claim 1, which is characterized in that further include:
Judge whether the connection between the data-interface and the slimport adapter disconnects；
When the connection between the data-interface and the slimport adapter disconnects, the slimport module is closed；
After slimport module closing, restore the battery charging management module of the mobile terminal to the data-interface
Detection function.
5. data transmission method according to claim 4, which is characterized in that the data-interface is USB interface, described to sentence
Whether the connection broken between the data-interface and the slimport adapter disconnects, comprising:
Whether the ID pin for detecting the USB interface is vacant state；
When the ID pin is vacant state, determine that the connection between the slimport adapter and the USB interface is disconnected
It opens.
6. a kind of data transmission device, applied to the mobile terminal with slimport module and data-interface, which is characterized in that
The data transmission device includes:
Determining module, for determining the data-interface access external equipment；
First judgment module, for judging whether the external equipment is slimport adapter；
First closedown module, for closing the mobile terminal when the external equipment is the slimport adapter
Detection function of the battery charging management module to the data-interface, wherein the detection function connects for detecting the data
Whether mouth accesses charging equipment；And
Starting module, for starting the slimport module to transmit data after detection function closing.
7. data transmission device according to claim 6, which is characterized in that the data-interface is USB interface, described the
One judgment module includes:
Judging submodule, for judge the USB interface ID pin and the external equipment in have slimport characteristic value
Featured resistance whether connect and ground；And
First determines submodule, for when the ID pin and when the featured resistance connect and ground, determining described external set
Standby is slimport adapter.
8. data transmission device according to claim 7, which is characterized in that first closedown module is specifically used for closing
The battery charging management module is to the D+ pin of the USB interface and the detection function of D- pin.
9. data transmission device according to claim 6, which is characterized in that further include:
Second judgment module, for judging whether the connection between the data-interface and the slimport adapter disconnects；
Second closedown module, for closing when the connection between the data-interface and the slimport adapter disconnects
The slimport module；And
Recovery module, for restoring the battery charging management module of the mobile terminal after slimport module closing
To the detection function of the data-interface.
10. data transmission device according to claim 9, which is characterized in that the data-interface is USB interface, described
Second judgment module includes:
Detection sub-module, whether the ID pin for detecting the USB interface is vacant state；And
Second determine submodule, for when the ID pin be vacant state when, determine the slimport adapter with it is described
Connection between USB interface disconnects.
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| CN201611208835.1A CN106792131B (en) | 2016-12-23 | 2016-12-23 | Data transmission method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611208835.1A CN106792131B (en) | 2016-12-23 | 2016-12-23 | Data transmission method and device |
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| CN106792131A CN106792131A (en) | 2017-05-31 |
| CN106792131B true CN106792131B (en) | 2019-08-02 |
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| Publication number | Publication date |
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| CN106792131A (en) | 2017-05-31 |
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