CN105392210B - Wireless direct-connected connection method and device - Google Patents
Wireless direct-connected connection method and device Download PDFInfo
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- CN105392210B CN105392210B CN201510666985.6A CN201510666985A CN105392210B CN 105392210 B CN105392210 B CN 105392210B CN 201510666985 A CN201510666985 A CN 201510666985A CN 105392210 B CN105392210 B CN 105392210B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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Abstract
The invention discloses a kind of wireless direct-connected connection methods, comprising: when first terminal enters wireless direct-connected mode, acquisition, which is currently located in wireless network, interferes the corresponding channel number of the smallest channel；The first terminal generates graphic code according to the channel number, so that the second terminal scans the graphic code to obtain the channel number；After the direct-connected request for receiving second terminal transmission, the first terminal carries out wireless direct-connected connection according to the channel number and second terminal.The invention also discloses a kind of wireless direct connection devices.The present invention, which is realized, determines that terminal carries out the channel number of Miracast connection by scanning figure shape code, improves Miracast application joint efficiency.
Description
Technical field
The present invention relates to radio transmission technical field more particularly to a kind of wireless direct-connected connection method and devices.
Background technique
With the high speed development of Radio Transmission Technology, especially short range wireless transmission --- the rise of Wi-Fi is undoubtedly given
Daily life brings great convenience, for example, people may browse through webpage, viewing video etc. by Wi-Fi.Cause
This, a wireless direct-connected application based on Wi-Fi Direct is come into being, for example, Miracast.Miracast application can
So that the content on a terminal screen is projected on another terminal screen by wireless network, entertained to meet people
Requirement in terms of demand and Product Experience.
The method of the connection of Miracast application at present includes: whether two terminals of detection are connected to the same wireless network
On, if two terminals are all connected on the same wireless network, the channel that two terminals directly pass through wireless network is carried out
Miracast connection；If two terminals are not attached on same wireless network, first terminal and second terminal are scanned
Its all channel of wireless network accessed is to select high-quality channel, first terminal and second terminal to pass through selected high-quality letter
Road makes Miracast application connection.
Although Miracast application connection may be implemented in this method, but two terminals require to scan wireless network one by one
Channel determination be on the same high-quality channel after can just be attached, Miracast is extended to the scanning of disconnected channel
Cause Miracast application joint efficiency low using the Connection Time.
Summary of the invention
The main purpose of the present invention is to provide a kind of wireless direct-connected connection method and devices, it is intended to solve Miracast company
The problem of connecing low efficiency.
To achieve the above object, a kind of wireless direct-connected connection method provided by the invention, comprising:
When first terminal enters wireless direct-connected mode, acquisition, which is currently located in wireless network, interferes the smallest channel corresponding
Channel number；
The first terminal generates graphic code according to the channel number, for the second terminal scan the graphic code with
Obtain the channel number；
After the direct-connected request for receiving second terminal transmission, the first terminal is according to the channel number and second terminal
Carry out wireless direct-connected connection.
Preferably, the acquisition be currently located in wireless network the step of interfering the smallest channel corresponding channel number it
Before, the wireless direct-connected connection method includes:
When the first terminal enters wireless direct-connected mode, the first terminal is by the direct-connected parameter level of local terminal and in advance
If direct-connected parameter level be compared；
When the direct-connected parameter level of local terminal is equal to and presets direct-connected parameter level, executes acquisition and be currently located wireless network
The step of corresponding channel number of the smallest channel is interfered in network.
Preferably, the direct-connected parameter level of local terminal is compared the first terminal with preset direct-connected parameter level
After step, the wireless direct-connected method comprising steps of
When the direct-connected parameter level of local terminal is less than and presets direct-connected parameter level, the first terminal broadcast is direct-connected to be asked
It asks；
The first terminal shows that graphic code scans interface；
When scanning interface scanning to graphic code based on the graphic code, the first terminal solves the graphic code
Analysis is to obtain channel number；
When receiving response message of the terminal for providing graphic code based on the direct-connected request feedback, the first terminal
The channel number based on acquisition is established wireless direct-connected between the terminal for providing the graphic code.
Preferably, the step of first terminal carries out wireless direct-connected connection with second terminal according to the channel number is wrapped
It includes:
The first terminal detects whether wireless direct-connected module starts；
When the wireless direct-connected module is inactive, the first terminal starting wireless direct-connected module；
The first terminal is based on the wireless direct-connected module and the channel number got is established and second terminal
Between wireless direct-connected connection.
Preferably, the acquisition is currently located in wireless network the step of interfering the smallest channel corresponding channel number packet
It includes:
The first terminal scanning is currently located all channels of wireless network；
Using the strongest channel of channel signal intensity as the smallest channel of interference, and obtain the interference most
The corresponding channel number of small channel.
In addition, to achieve the above object, the present invention also provides a kind of wireless direct-connected attachment devices, comprising:
Module is obtained, when entering wireless direct-connected mode for the first terminal where it, acquisition is currently located wireless network
The corresponding channel number of the smallest channel is interfered in network；
Generation module, for generating graphic code according to the channel number, so that the second terminal scans the graphic code
To obtain the channel number；
Link block, for after the direct-connected request for receiving second terminal transmission, the first terminal to be according to the letter
Taoist monastic name and second terminal carry out wireless direct-connected connection.
Preferably, the wireless direct connection device further include:
Comparison module, when for entering wireless direct-connected mode, the first terminal is by the direct-connected parameter level of local terminal and in advance
If direct-connected parameter level be compared；
The acquisition module is also used to obtain when the direct-connected parameter level of local terminal is equal to and presets direct-connected parameter level
It takes to be currently located in wireless network and interferes the corresponding channel number of the smallest channel.
Preferably, the wireless direct connection device further include:
Broadcast module when for the direct-connected parameter level in local terminal less than direct-connected parameter level is preset, is broadcasted direct-connected
Request；
Display module, for showing that graphic code scans interface；
Parsing module, for based on the graphic code scanning interface scanning arrive graphic code when, to the graphic code progress
Parsing is to obtain channel number；
The link block is also used to receiving response of the terminal based on the direct-connected request feedback for providing graphic code
When information, the first terminal establishes the nothing between the terminal for providing the graphic code based on the channel number of acquisition
Line is direct-connected.
Preferably, the link block includes:
Detection unit, for detecting whether wireless direct-connected module starts；
Start unit, for starting the wireless direct-connected module when the wireless direct-connected module is inactive；
Connection unit, for based on the wireless direct-connected module and the channel number foundation got and second terminal
Between wireless direct-connected connection.
Preferably, the acquisition module includes:
Scanning element is currently located all channels of wireless network for scanning；
Acquiring unit is used for using the strongest channel of channel signal intensity as the smallest channel of interference, and
Obtain the corresponding channel number of the smallest channel of interference.
The present invention is parsed graphic code and obtains channel number, carried out according to channel number by the graphic code on end of scan
Miracast connection makes terminal clearly determine the channel number for carrying out Miracast connection, and does not have to by successively scanning wireless network
The channel of network determines the channel number of Miracast connection, to reduce the sweep time of the scanning to disconnected channel, improves
Miracast joint efficiency.
Detailed description of the invention
Fig. 1 is the flow diagram of the first embodiment of the wireless direct-connected connection method of the present invention；
Fig. 2 is the flow diagram of the second embodiment of the wireless direct-connected connection method of the present invention；
Fig. 3 is the flow diagram of the 3rd embodiment of the wireless direct-connected connection method of the present invention；
Fig. 4 is first terminal in the fourth embodiment of the wireless direct-connected connection method of the present invention according to the channel number and second
The refinement flow diagram that terminal is wirelessly connected；
Fig. 5 is the refinement stream that the smallest channel number is interfered in acquisition in the 5th embodiment of the wireless direct-connected connection method of the present invention
Journey schematic diagram；
Fig. 6 is the functional block diagram of the first embodiment of the wireless direct-connected attachment device of the present invention；
Fig. 7 is the functional block diagram of the second embodiment of the wireless direct-connected attachment device of the present invention；
Fig. 8 is the functional block diagram of the 3rd embodiment of the wireless direct-connected attachment device of the present invention；
Fig. 9 is the refinement the functional block diagram of link block of the present invention；
Figure 10 is the refinement the functional block diagram of receiving module of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Based on the above issues, the present invention provides a kind of wireless direct-connected connection method.
Referring to Fig.1, Fig. 1 is the flow diagram of the first embodiment of the wireless direct-connected connection method of the present invention.
In the present embodiment, the wireless direct-connected connection method includes:
Step S10, when first terminal enters wireless direct-connected mode, acquisition be currently located in wireless network interfere it is the smallest
The corresponding channel number of channel；
In the present embodiment, in first terminal register Miracast event monitoring, for Miracast application open with
It closes, equipment connects and the monitoring of the events such as terminal.When first terminal receives the request for opening Miracast application switch, open
Miracast application switch scans all channels of radio band used in active wireless network immediately, selects a high-quality channel, institute
Stating high-quality channel can be understood as, and the other signals intensity most weak high-quality minimum by other signal the space occupied
Channel obtains the channel number of the high-quality channel.It should be noted that the wireless network can mention under wireless direct-connected mode
For 2.4GHz transmitting frequency range, totally 13 communication channels or 5GHz emit frequency range totally 23 communication channels.
When the first terminal enters wireless direct-connected mode, for example, carrying out Miracast connection, first terminal, which is used as, to be drawn
Terminal is led, second terminal is used as and is guided terminal.Second terminal, will be described direct-connected when detecting the direct-connected request of user's triggering
Request is sent to first terminal；Alternatively, second terminal enters in active wireless network coverage area, Miracast application can be automatic
Active wireless network is detected, direct-connected request is triggered.The direct-connected request includes opening Miracast application switch, terminal device company
It connects and interrupts.The wireless network includes but is not limited to Wi-Fi.
Step S20, the first terminal generate graphic code according to the channel number, for described in second terminal scanning
Graphic code is to obtain channel number；
After getting and being currently located in wireless network and interfere the corresponding channel number of the smallest channel, first terminal is to acquisition
Channel number carry out automatic pattern coding；Alternatively, first terminal detects the graphic code coded command of the channel number, and according to
The channel number of the graphic code coded command locking detected carries out graphic code coding；Alternatively, any other applicable mode.It is described
Graphic code includes but is not limited to two dimensional code and bar code.In the present embodiment by taking two dimensional code as an example.Two dimensional code uses certain specific
Graphic code between item that geometric figure is distributed on plane (two-dimensional directional) according to certain rule, Kongxiang records data symbol letter
Breath.Second terminal obtains the channel number by scanning the two dimensional code, and confirmation carries out wireless direct-connected connection with first terminal
Channel after sending direct-connected request, waits return information in the channel.
Step S30, receive second terminal transmission direct-connected request after, the first terminal according to the channel number with
Second terminal carries out wireless direct-connected connection.
In the present embodiment, connected in the session stage of establishing of Miracast, first terminal and second terminal by establishing TCP
It connects road and carries out capability negotiation, the connection signal of input is packaged into respective class according to default connection signal type by first terminal
The connection signal message of type is sent to the second terminal, and the second terminal is according to preset connection signal type, to reception
To connection signal message parsed, the connection signal after being parsed realizes the first terminal according to the channel number
Miracast connection is carried out with second terminal.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include mobile terminal or
Fixed terminal.Mobile terminal, such as mobile phone, smart phone, laptop, lion radio receiver, PDA (a number
Word assistant), PAD (tablet computer), PMP (portable media player), navigation device etc.；Fixed terminal, such as number TV,
Desktop computer etc..Comparatively it is large screen the other is smaller screen that the mobile terminal or fixed terminal, which can all have one,
Curtain.In the present embodiment, it is believed that first terminal is the fixed terminal of relatively large screen, and second terminal is relatively smaller screen
The mobile terminal of curtain.For example, user can allow the content on smart phone logical by the Miracast connection for opening two terminals
Wireless network is crossed to project on the large-size screen monitors such as smart television；Alternatively, user can also allow the content on smart television screen to pass through nothing
Gauze network projects on the small screen terminal device such as smart phone.
The present invention is parsed graphic code and obtains channel number, carried out according to channel number by the graphic code on end of scan
Miracast connection makes terminal clearly determine the channel number for carrying out Miracast connection, and does not have to by successively scanning wireless network
The channel of network determines the channel number of Miracast connection, to reduce the sweep time of the scanning to disconnected channel, improves
Miracast joint efficiency.
Further, it is based on first embodiment, the second embodiment of the wireless direct-connected connection method of the present invention is proposed, in this reality
It applies in example, referring to before Fig. 2 above-mentioned steps S10, further includes:
Step S40, when the first terminal enters wireless direct-connected mode, the first terminal is by the direct-connected parameter of local terminal
Grade is compared with preset direct-connected parameter level；
In the present embodiment, in the first terminal system, the direct-connected ginseng in the wireless network program being arranged is read
Number, determines the grade of the direct-connected parameter.User can be direct-connected according to the wireless network for needing to be arranged the first terminal system
Direct-connected parameter p2p_go_intent is different brackets in configuration file p2p_supplicant, the difference of direct-connected parameter level,
Determine that first terminal is as leading end or as being guided to hold in direct-connected connection.Enter in the first terminal wireless straight
When gang mould formula, compares the direct-connected parameter level of local terminal and preset the size of direct-connected parameter level.The direct-connected configuration file is from nothing
It is read in line network program.For example, direct-connected parameter p2p_ in Wi-Fi direct configuration file p2p_supplicant in terminal system
There are two types of form p2p_go_intent=15 or p2p_go_intent < 15 for the grade of go_intent.
When the direct-connected parameter level of local terminal is equal to and presets direct-connected parameter level, executes step S10 and obtain currently
The corresponding channel number of the smallest channel is interfered in the wireless network.
In the present embodiment, terminal system parameter in wireless direct-connected configuration file p2p_supplicant in the wireless network
The grade of p2p_go_intent setting is different, and the terminal will be interchangeable in leading end with end is guided, i.e., the described terminal
It will be interchangeable between graphic code terminal and scanning figure shape code terminal generating.It is equal in the direct-connected parameter level of local terminal default
When direct-connected parameter level, i.e., direct-connected parameter p2p_go_ in Wi-Fi direct configuration file p2p_supplicant in terminal system
When the grade of intent setting is p2p_go_intent=15, the first terminal is determined as leading end, and scanning is currently located ring
The channel of border wireless network obtains in wireless network and interferes the corresponding channel number of the smallest channel.The leading end includes feedback
Direct-connected boot request generates graphic code and scanning wireless network signal etc..
Those skilled in the art are it is understood that terminal passes through the direct-connected parameter level for comparing local terminal and presets
Direct-connected parameter level size, can determine that local terminal is that leading end is also brought to hold, so that local terminal be made to execute different function
Energy.
Further, first or second embodiments are based on, propose the 3rd embodiment of the wireless direct-connected connection method of the present invention,
In the present embodiment, referring to after Fig. 3 above-mentioned steps S40, further includes:
Step S50, when the direct-connected parameter level of local terminal is less than and presets direct-connected parameter level, the first terminal is wide
Broadcast direct-connected request；
In the present embodiment, the configuration file p2p_ direct-connected in the wireless network of the first terminal got
The highest priority of direct-connected parameter p2p_go_intent setting determines that the first terminal is to sweep less than 15 in supplicant
Tracing shape code terminal is guided to hold.The wireless direct-connected module of first terminal broadcasts direct-connected request automatically；Alternatively, based on user's
The wireless direct-connected module for triggering first terminal broadcasts direct-connected request.The receiving end of the direct-connected request is not limited to one, can be with
Have multiple.
Step S60, the first terminal show that graphic code scans interface；
After the first terminal broadcasts direct-connected request, the information alert that user can click direct-connected request broadcast is direct
Show that graphic code scans interface into first terminal, for example, the graphic code double-clicked on locking screen interface scans interface shortcut icon；Or
Person user finds after graphic code scanning interface application is clicked and shows that graphic code scans interface.
Specifically, the terminal broadcast affiliate application in wireless network signal coverage area where wireless network to its
Prompt mount message.The terminal for needing as scanning figure shape code terminal and not installing the associated application is mentioned receiving this
After showing mount message, user can download according to corresponding prompt step and install the associated application.The affiliate application is
It identifies the application program of two dimensional code, the format of APP can be used.The wireless network includes but is not limited to Wi-Fi wireless network
Network.The wireless network signal coverage area can be, for example, wireless router is mounted in room, wireless network
The range of signal covering is the region where room；It is mounted with wireless router in public places, wireless network signal covering
Range is the region where public place.
Step S70, when scanning interface scanning to graphic code based on the graphic code, the first terminal is to the figure
Code is parsed to obtain channel number；
When first terminal is using two dimensional code outside the associated application scanning recognition one, the affiliate application is obtained
Take the corresponding channel number of the two dimensional code.First terminal monitors two dimensional code and parses event, obtains the letter for being used for Miracast connection
After Taoist monastic name, the first terminal automatically opens the Miracast according to the channel number and switchs.The first terminal is to offer
The terminal of the graphic code sends direct-connected request, and the information to be feedback such as on the channel got.Herein, it provides described
The terminal of graphic code can be second terminal, be also possible to other terminals being currently located in wireless network.
Step S80, it is described when receiving response message of the terminal for providing graphic code based on the direct-connected request feedback
First terminal is established wireless direct-connected between the terminal for providing the graphic code based on the channel number of acquisition.
When carrying out direct-connected connection, the terminal for providing the graphic code is leading end, generates graphic code for first
Terminal is based on the graphic code and is scanned operation, and the first terminal is to be guided to hold.It is described that the end of the graphic code is provided
The wireless direct-connected link information of generation returns to first terminal after end listens to direct-connected request.It is described that the terminal of the graphic code is provided
It can receive multiple terminals and send direct-connected request, and direct-connected requested to multiple terminal feedback response informations based on described.First eventually
After end receives response message on the channel got, Miracast connection is carried out according to the channel number and first terminal.
Illustrate how the above method is realized below by a specific embodiment.
In the room, all channels of television, that is, second terminal scanning active wireless network signal cover,
It determines a high-quality channel, to obtain the channel number of the high-quality channel, image in 2 D code is generated according to the channel number.It is described
Image in 2 D code can be shown on the screen of television in the form of icon, can also print patch in the room.It is described
Television sends the broadcast of the prompt information of the related application of installation Miracast connection.When user enters the wireless network
After network signal cover, then receive the broadcast for installing the prompt information of the related application of Miracast connection, according to wide
Broadcast prompt installation associated application.Mobile phone terminal, that is, first terminal scans the image in 2 D code, obtains and described two
The channel number for tieing up the corresponding wireless network of code image provides another terminal, that is, television hair of image in 2 D code from trend
Direct-connected request is sent, after receiving response message, Miracast is established with the television and connect.
The present embodiment sends direct-connected request to the terminal for providing the graphic code by first terminal, and described first eventually
End provides graphic code and scans interface, realizes first terminal and exchanges from leading end to end is guided, effective solution leading end
The problem of scanning radio network information channel, increasing sweep time is required with end is guided.
Further, it is based on first embodiment, the fourth embodiment of the wireless direct-connected connection method of the present invention is proposed, in this reality
It applies in example, includes: referring to Fig. 4 above-mentioned steps S30
Step S31, the first terminal detect whether wireless direct-connected module starts；
After the direct-connected request for receiving second terminal transmission, judge whether the wireless direct-connected module of first terminal starts.
The wireless direct-connected module monitors direct-connected request, Miracast switch, the connection of equipment and sends opening to local terminal
The instruction of Miracast switch.In the case where the Miracast of local terminal switch has turned on, Miracast connection can be directly carried out.
Step S32, when the wireless direct-connected module is inactive, the first terminal starting wireless direct-connected module；
In the case where wireless direct-connected module is not opened, the first terminal receives the opening Miracast that local terminal is sent and opens
The instruction of pass, and the channel number got from the graphic code that local terminal parses, according to the instruction of the opening Miracast switch
And channel number automatically turns on the wireless direct-connected module；Alternatively, triggering Miracast switch based on user.
Step S33, the first terminal based on the wireless direct-connected module and the channel number got establish with
Wireless direct-connected connection between second terminal.
In the present embodiment, the second terminal using Miracast agreement receive the first terminal connection signal and
Real-time control, and the content share on first terminal screen is shown on second terminal screen, it is hard by the second terminal
Part system is decoded and encodes to signal, and the signal of suitable large screen is transmitted in the small screen by realization.The Miracast
Agreement receives the connection signal of the first end and real-time control includes establishing TCP connection channel to carry out capability negotiation.
Alternatively, the second terminal is grasped using the connection signal that Miracast agreement receives the first terminal with real-time
Control, and the content share on second terminal screen is shown on first terminal screen, pass through the first terminal hardware system
Signal is decoded and is encoded, the signal of suitable the small screen is transmitted on large screen by realization.
It will be appreciated by those skilled in the art that Miracast is not used in application, Miracast application is opened
Pass is to close, and reduces the power consumption of terminal and reduces terminal to the occupancy of wireless network；It is opened by obtaining opening Miracast
The instruction of pass and channel number automatically open the switch of Miracast application, improve the Experience Degree of application.
Further, it is based on any of the above-described embodiment, proposes the 5th embodiment of the wireless direct-connected connection method of the present invention,
In the present embodiment, above-mentioned steps S10 includes:
Step S11, the first terminal scanning are currently located all channels of wireless network；
First terminal compares the direct-connected parameter level and the preset direct-connected parameter level of local terminal of local terminal, determines the direct-connected of local terminal
Parameter level is after highest priority 15, the first terminal is that leading end scans active wireless network channel.First terminal inspection
Measure active wireless network signal.
Step S22 using the strongest channel of channel signal intensity as the smallest channel of interference, and obtains institute
State the corresponding channel number of the smallest channel of interference.
In the present embodiment, the strongest wireless network of signal strength in first terminal selection active wireless network；
Alternatively, a wireless network signal strength threshold value is arranged, if detected when first terminal detects wireless network
Signal strength be less than the preset wireless network signal strength threshold value, then abandon, continue to test wireless in current environment
Network signal intensity, until detecting that channel strength is greater than the wireless network signal of the wireless network signal strength threshold value.Such as
The wireless network signal that the channel strength that fruit detects is greater than the wireless network signal strength threshold value is greater than one, then by these
Signal strength is compared, and obtains the maximum wireless network signal of signal strength, and first terminal bottom starts wireless network scan
Function, obtains the channel for including in the wireless network and channel/bandwidth occupancy states information, and Enable/Disable uses channel/band
Wide status information.
It will be appreciated by those skilled in the art that can preferentially select Wi-Fi signal ratio when terminal connects Wi-Fi
Stronger channel is attached.Due to small and described by other signals the space occupied in the stronger channel of the signal
The intensity of other signals is weak.Therefore, the interference of the stronger channel of the signal is small, communicates smooth.So terminal is carrying out
When Miracast connection, the strongest channel of the signal is determined as high-quality by the meeting weaker channel of priority scan Wi-Fi signal
Channel, and obtain the channel number of the high-quality channel.
The present invention further provides a kind of wireless direct-connected attachment devices.
Referring to the functional block diagram for the first embodiment that Fig. 6, Fig. 6 are the wireless direct-connected attachment device of the present invention.
In the present embodiment, described device includes: to obtain module 10, generation module 20, link block 30.
The acquisition module 10, when entering wireless direct-connected mode for the first terminal where it, acquisition is currently located
The corresponding channel number of the smallest channel is interfered in wireless network；
In the present embodiment, in the link block 30 of the first terminal register Miracast event monitoring, for pair
The monitoring of the events such as Miracast application Push And Release, equipment connection and terminal.When the receiving module 10 of the first terminal receives
When opening the request of Miracast application switch, Miracast application switch is opened, scans penetrated used in active wireless network immediately
All channels of frequency range, select a high-quality channel, and the high-quality channel can be understood as by other signal the space occupied
At least, and the most weak high-quality channel of the other signals intensity, the channel number of the high-quality channel is obtained.It needs to illustrate
It is that under wireless direct-connected mode, the wireless network can provide 2.4GHz transmitting frequency range totally 13 communication channels or 5GHz transmitting
Frequency range totally 23 communication channels.
When carrying out wireless direct-connected connection, for example, carry out Miracast connection, first terminal is as guiding terminal, and second
Terminal is used as and is guided terminal.The direct-connected request is sent to by second terminal when detecting the direct-connected request of user's triggering
The receiving module 10 of the first terminal；Alternatively, second terminal enters in active wireless network coverage area, Miracast application
Active wireless network can be detected automatically, trigger direct-connected request.The direct-connected request includes opening Miracast application switch, terminal
Equipment connection and interruption.The wireless network includes but is not limited to Wi-Fi.
The generation module 20, for generating graphic code according to the channel number, for described in second terminal scanning
Graphic code is to obtain the channel number；
After getting and being currently located in wireless network and interfere the corresponding channel number of the smallest channel, the generation module 20
Channel number carry out automatic pattern coding；Alternatively, the generation module 20 detects the graphic code coded command of the channel number,
And graphic code coding is carried out according to the channel number of the graphic code coded command locking detected；Alternatively, any other applicable side
Formula.The graphic code includes but is not limited to two dimensional code and bar code.In the present embodiment by taking two dimensional code as an example.Two dimensional code uses certain
Graphic code between item that specific geometric figure is distributed on plane (two-dimensional directional) according to certain rule, Kongxiang records data
Symbolic information.Second terminal obtains the channel number by scanning the two dimensional code, and confirmation carries out wireless direct-connected with first terminal
The channel of connection after sending direct-connected request, waits return information in the channel.
The link block 30, for receive second terminal transmission direct-connected request after, the first terminal according to
The channel number and second terminal carry out wireless direct-connected connection.
In the present embodiment, in the session stage of establishing of Miracast, the link block 30 and second terminal of first terminal
Capability negotiation is carried out by establishing TCP connection channel, the link block 30 is according to default connection signal type, by the company of input
It connects signal assemble and is sent to the second terminal at the connection signal message of respective type, the second terminal is according to preset company
Signal type is connect, the connection signal message received is parsed, the connection signal after being parsed, realizes that described first is whole
End carries out Miracast connection according to the channel number and second terminal.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include mobile terminal or
Fixed terminal.Mobile terminal, such as mobile phone, smart phone, laptop, lion radio receiver, PDA (a number
Word assistant), PAD (tablet computer), PMP (portable media player), navigation device etc.；Fixed terminal, such as number TV,
Desktop computer etc..Comparatively it is large screen the other is smaller screen that the mobile terminal or fixed terminal, which can all have one,
Curtain.In the present embodiment, it is believed that first terminal is the fixed terminal of relatively large screen, and second terminal is relatively smaller screen
The mobile terminal of curtain.For example, user can allow the content on smart phone logical by the Miracast connection for opening two terminals
Wireless network is crossed to project on the large-size screen monitors such as smart television；Alternatively, user can also allow the content on smart television screen to pass through nothing
Gauze network projects on the small screen terminal device such as smart phone.
The present embodiment is parsed graphic code and obtains channel number, carried out according to channel number by the graphic code on end of scan
Miracast connection makes terminal clearly determine the channel number for carrying out Miracast connection, and does not have to by successively scanning wireless network
The channel of network determines the channel number of Miracast connection, to reduce the sweep time of the scanning to disconnected channel, improves
Miracast joint efficiency.
Referring to the functional block diagram for the second embodiment that Fig. 7, Fig. 7 are the wireless direct-connected attachment device of the present invention.
In the present embodiment, described device further include: comparison module 40.
The comparison module 40, when for entering wireless direct-connected mode, the first terminal is by the direct-connected parameter etc. of local terminal
Grade is compared with preset direct-connected parameter level；
In the present embodiment, in the comparison module 40, the direct-connected parameter in the wireless network program being arranged is read,
Determine the grade of the direct-connected parameter.User can be according to the direct-connected configuration text of wireless network for needing to be arranged the comparison module 40
Direct-connected parameter p2p_go_intent is different brackets in part p2p_supplicant, the difference of direct-connected parameter level, determines
One terminal is as leading end or as being guided to hold in direct-connected connection.Enter wireless direct-connected mode in the first terminal
When, compare and the direct-connected parameter level of local terminal is compared by the comparison module 40 and presets the size of direct-connected parameter level.It is described
Direct-connected configuration file is read from wireless network program.For example, Wi-Fi direct configuration file p2p_ in terminal system
There are two types of form p2p_go_intent=15 or p2p_go_ for the grade of direct-connected parameter p2p_go_intent in supplicant
intent<15。
The acquisition module 10, when the direct-connected parameter level of local terminal is equal to and presets direct-connected parameter level, acquisition is worked as
It is preceding to interfere the corresponding channel number of the smallest channel in the wireless network.
In the present embodiment, terminal system is direct-connected in wireless direct-connected configuration file p2p_supplicant in the wireless network
The parameter p2p_go_intent setting grade is different, and the terminal will be interchangeable in leading end with end is guided, i.e.,
The terminal will be interchangeable between graphic code terminal and scanning figure shape code terminal generating.The acquisition module 10 detects
When the direct-connected parameter level of local terminal is equal to and presets direct-connected parameter level, i.e., Wi-Fi direct configuration file p2p_ in terminal system
When the grade of direct-connected parameter p2p_go_intent setting is p2p_go_intent=15 in supplicant, the first terminal
It is determined as leading end, scanning is currently located the channel of environment wireless network, obtains and interferes the smallest channel corresponding in wireless network
Channel number.
Those skilled in the art are it is understood that terminal passes through the direct-connected parameter level for comparing local terminal and presets
Direct-connected parameter level size, can determine that local terminal is that leading end is also brought to hold, so that local terminal be made to execute different function
Energy.
Referring to the functional block diagram for the 3rd embodiment that Fig. 8, Fig. 8 are the wireless direct-connected attachment device of the present invention.
In the present embodiment, described device further include: broadcast module 60, display module 70, parsing module 80.
The broadcast module 50, when for the direct-connected parameter level in local terminal less than direct-connected parameter level is preset, extensively
Broadcast direct-connected request；
In the present embodiment, the configuration direct-connected in the wireless network for obtaining the first terminal that module 10 is got
The highest priority of direct-connected parameter p2p_go_intent setting determines described second less than 15 in file p2p_supplicant
Terminal is scanning figure shape code terminal.The wireless direct-connected module of the broadcast module 50 of first terminal broadcasts direct-connected request automatically；
Alternatively, the broadcast module 50 is in the wireless direct-connected module broadcast request for triggering first terminal based on user.The direct-connected request
Receiving end be not limited to one, can have multiple.
The display module 60, for showing that graphic code scans interface；
After the broadcast module 50 of the first terminal broadcasts direct-connected request, it is wide that user can click direct-connected request
The graphic code scanning interface that the display module 60 that the information alert broadcast is directly entered first terminal is shown, for example, double-clicking lock
The graphic code shielded on interface scans interface shortcut icon；Or user finds after graphic code scanning interface application is clicked and shows figure
Code scanning interface.
Specifically, the terminal broadcast affiliate application in wireless network signal coverage area where wireless network to its
Prompt mount message.The terminal for needing as scanning figure shape code terminal and not installing the associated application is mentioned receiving this
After showing mount message, user can download according to corresponding prompt step and install the associated application.The affiliate application is
It identifies the application program of two dimensional code, the format of APP can be used.The wireless network includes but is not limited to Wi-Fi wireless network
Network.The wireless network signal coverage area can be, for example, wireless router is mounted in room, wireless network
The range of signal covering is the region where room；It is mounted with wireless router in public places, wireless network signal covering
Range is the region where public place.
The parsing module 70, for based on the graphic code scanning interface scanning arrive graphic code when, it is described first end
End parses to obtain channel number the graphic code.
When the parsing module 70 is using two dimensional code outside the associated application scanning recognition one, the associated application
Program obtains the corresponding channel number of the two dimensional code.The link block 30 of the first terminal monitors two dimensional code and parses event, obtains
It takes after the channel number of Miracast connection, the first terminal automatically opens the Miracast according to the channel number and opens
It closes.The first terminal sends direct-connected request to the terminal for providing the graphic code, and waits on the channel got
Feedback information.Herein, the terminal for providing the graphic code can be second terminal, be also possible to be currently located in wireless network
Other terminals.
The link block 30 is also used to receiving the terminal for providing the graphic code based on the direct-connected request feedback
Response message when, the first terminal based on the channel number of acquisition establish with the terminal that the graphic code is provided it
Between it is wireless direct-connected.
When carrying out direct-connected connection, the terminal for providing the graphic code is leading end, generates graphic code for first
Terminal is based on the graphic code and is scanned operation, and the first terminal is to be guided to hold.It is described that the end of the graphic code is provided
The wireless direct-connected link information of generation returns to first terminal after end listens to direct-connected request.It is described that the terminal of the graphic code is provided
It can receive multiple terminals and send direct-connected request, and direct-connected requested to multiple terminal feedback response informations based on described.The company
After connection module 30 receives response message on the channel got, Miracast is carried out according to the channel number and first terminal
Connection.
Illustrate how the above method is realized below by a specific embodiment.
In the room, all channels of television, that is, second terminal scanning active wireless network signal cover,
It determines a high-quality channel, to obtain the channel number of the high-quality channel, image in 2 D code is generated according to the channel number.It is described
Image in 2 D code can be shown on the screen of television in the form of icon, can also print patch in the room.It is described
Television sends the broadcast of the prompt information of the related application of installation Miracast connection.When user enters the wireless network
After network signal cover, then receive the broadcast for installing the prompt information of the related application of Miracast connection, according to wide
Broadcast prompt installation associated application.Mobile phone terminal, that is, first terminal scans the image in 2 D code, obtains and described two
The channel number for tieing up the corresponding wireless network of code image provides another terminal, that is, television hair of image in 2 D code from trend
Direct-connected request is sent, after receiving response message, Miracast is established with the television and connect.
The present embodiment sends direct-connected request to the terminal for providing the graphic code by first terminal, and described first eventually
End provides graphic code and scans interface, realizes first terminal and exchanges from leading end to end is guided, effective solution leading end
The problem of scanning radio network information channel, increasing sweep time is required with end is guided.
It is the functional block diagram of 30 1 embodiment of link block of the present invention referring to Fig. 9, Fig. 9.
In the present embodiment, the link block 30 includes detection unit 31, start unit 32, connection unit 33.
The detection unit 31, for detecting whether wireless direct-connected module starts；
After the direct-connected request for receiving second terminal transmission, the detection unit 31 judges the wireless direct-connected of first terminal
Whether module starts.The wireless direct-connected module monitors direct-connected request, Miracast switch, the connection of equipment and Xiang Benduan
Send the instruction for opening Miracast switch.The detection unit 31, which is detected, switchs the feelings having turned in the Miracast of local terminal
Under condition, Miracast connection can be directly carried out.
The start unit 32, for starting the wireless direct-connected module when the wireless direct-connected module is inactive；
The detection unit 31 detects local terminal in the case where wireless direct-connected module is not opened, and the described of first terminal is opened
Moving cell 32 receives the instruction for opening Miracast switch that local terminal is sent, and the letter got from the graphic code that local terminal parses
Taoist monastic name automatically turns on the wireless direct-connected module according to the instruction of the opening Miracast switch and channel number；Alternatively, being based on
User triggers Miracast switch.
The connection unit 33, for being established and the based on the wireless direct-connected module and the channel number got
Wireless direct-connected connection between two terminals.
In the present embodiment, the connection unit 33 of the second terminal receives described first using Miracast agreement
The connection signal and real-time control of terminal, and the content share on first terminal screen is shown on second terminal screen, lead to
The connection unit 33 for crossing the second terminal is decoded and encodes to signal, realizes and transmits the signal of suitable large screen
Onto the small screen.The Miracast agreement receives the connection signal of the first end and real-time control includes establishing TCP connection
Channel carries out capability negotiation.
Alternatively, the connection unit 33 of the second terminal receives the company of the first terminal using Miracast agreement
Signal and real-time control are connect, and the content share on second terminal screen is shown on first terminal screen, passes through described
One terminal hardware system is decoded and encodes to signal, and the signal of suitable the small screen is transmitted on large screen by realization.
It will be appreciated by those skilled in the art that Miracast is not used in application, Miracast application is opened
Pass is to close, and reduces the power consumption of terminal and reduces terminal to the occupancy of wireless network；It is opened by obtaining opening Miracast
The instruction of pass and channel number automatically open the switch of Miracast application, improve the Experience Degree of application.
0, Figure 10 is the functional block diagram that the present invention obtains 10 1 embodiment of module referring to Fig.1.
In the present embodiment, the acquisition module 10 includes scan module 11, acquiring unit 12.
The scanning element 11 is currently located all channels of wireless network for scanning；
The direct-connected parameter level and the preset direct-connected parameter level of local terminal of local terminal are compared in first terminal, determines the straight of local terminal
After even parameter level is highest priority 15, the first terminal is leading end, scans current nothing by the scanning element 11
Line network channel.First terminal detects active wireless network signal.
The acquiring unit 12, for using the strongest channel of channel signal intensity as the smallest letter of interference
Road, and obtain the corresponding channel number of the smallest channel of interference.
In the present embodiment, the acquiring unit 12 of first terminal selects signal strength in active wireless network strongest
Wireless network；
Alternatively, the acquiring unit 12 described in first terminal when detecting wireless network, presets a wireless network letter
Number intensity threshold is abandoned if the signal strength detected is less than the preset wireless network signal strength threshold value, is continued
The wireless network signal strength in current environment is detected, until detecting that channel strength is greater than the wireless network signal strength threshold
The wireless network signal of value.If the wireless network that the channel strength detected is greater than the wireless network signal strength threshold value is believed
Number be greater than one, then these signal strengths are compared, obtain the strongest wireless network signal of signal strength, first terminal bottom
Layer starting wireless network scan function, obtains the channel for including in the wireless network and channel/bandwidth occupancy states information, permits
Perhaps/it is forbidden to use channel/bandwidth status information.
It will be appreciated by those skilled in the art that can preferentially select Wi-Fi signal ratio when terminal connects Wi-Fi
Stronger channel is attached.Due to small and described by other signals the space occupied in the stronger channel of the signal
The intensity of other signals is weak.Therefore, the interference of the stronger channel of the signal is small, communicates smooth.So terminal is carrying out
When Miracast connection, the strongest channel of the signal is determined as high-quality by the meeting weaker channel of priority scan Wi-Fi signal
Channel, and obtain the channel number of the high-quality channel.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of wireless direct-connected connection method, which is characterized in that comprising steps of
When first terminal enters wireless direct-connected mode, the first terminal by the direct-connected parameter level of local terminal with it is preset direct-connected
Parameter level is compared；
When the direct-connected parameter level of local terminal is equal to and presets direct-connected parameter level, acquisition, which is currently located in wireless network, to be interfered
The corresponding channel number of the smallest channel；
The first terminal generates graphic code according to the channel number, so that the second terminal scanning graphic code is described to obtain
Channel number；
After receiving the direct-connected request that the second terminal is sent, the first terminal is according to the channel number and described second
Terminal carries out wireless direct-connected connection.
2. direct-connected connection method as described in claim 1 wireless, which is characterized in that the first terminal is by the direct-connected ginseng of local terminal
After number grades the step of being compared with preset direct-connected parameter level, the wirelessly direct-connected method comprising steps of
When the direct-connected parameter level of local terminal is less than and presets direct-connected parameter level, the first terminal broadcasts direct-connected request；
The first terminal shows that graphic code scans interface；
When scanning interface scanning to graphic code based on the graphic code, the first terminal to the graphic code parsed with
Obtain channel number；
When receiving response message of the terminal for providing graphic code based on the direct-connected request feedback, the first terminal is based on
The channel number obtained is established wireless direct-connected between the terminal for providing the graphic code.
3. wireless direct-connected connection method as described in claim 1, which is characterized in that the first terminal is according to the channel number
The step of carrying out wireless direct-connected connection with second terminal include:
The first terminal detects whether wireless direct-connected module starts；
When the wireless direct-connected module is inactive, the first terminal starting wireless direct-connected module；
The first terminal is established between second terminal based on the wireless direct-connected module and the channel number got
Wireless direct-connected connection.
4. wireless direct-connected connection method as described in any one of claims 1-3, which is characterized in that the acquisition is currently located nothing
The step of corresponding channel number of the smallest channel is interfered in gauze network include:
The first terminal scanning is currently located all channels of wireless network；
Using the strongest channel of channel signal intensity as the smallest channel of interference, and it is the smallest to obtain the interference
The corresponding channel number of channel.
5. a kind of wireless direct-connected attachment device characterized by comprising
Comparison module, when entering wireless direct-connected mode for the first terminal where it, by the direct-connected parameter level of local terminal with
Preset direct-connected parameter level is compared；
Module is obtained, when for the direct-connected parameter level in local terminal equal to direct-connected parameter level is preset, acquisition is currently located
The corresponding channel number of the smallest channel is interfered in wireless network；
Generation module, for generating graphic code according to the channel number, so that second terminal scans the graphic code to obtain
State channel number；
Link block, for after receiving the direct-connected request that the second terminal is sent, the first terminal to be according to the letter
Taoist monastic name and the second terminal carry out wireless direct-connected connection.
6. wireless direct-connected attachment device as claimed in claim 5, which is characterized in that the wireless direct connection device further include:
Broadcast module broadcasts direct-connected request when for the direct-connected parameter level in local terminal less than direct-connected parameter level is preset；
Display module, for showing that graphic code scans interface；
Parsing module, for being parsed to the graphic code when scanning interface scanning to graphic code based on the graphic code
To obtain channel number；
The link block is also used to receiving response message of the terminal based on the direct-connected request feedback for providing graphic code
When, the first terminal is established wireless straight between the terminal for providing the graphic code based on the channel number of acquisition
Even.
7. direct-connected attachment device as claimed in claim 5 wireless, which is characterized in that the link block includes:
Detection unit, for detecting whether wireless direct-connected module starts；
Start unit, for starting the wireless direct-connected module when the wireless direct-connected module is inactive；
Connection unit, for being established between second terminal based on the wireless direct-connected module and the channel number got
Wireless direct-connected connection.
8. such as the described in any item wireless direct-connected attachment devices of claim 5-7, which is characterized in that the acquisition module includes:
Scanning element is currently located all channels of wireless network for scanning；
Acquiring unit for interfering the smallest channel using the strongest channel of channel signal intensity as described, and obtains
It is described to interfere the corresponding channel number of the smallest channel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666985.6A CN105392210B (en) | 2015-10-15 | 2015-10-15 | Wireless direct-connected connection method and device |
| PCT/CN2016/084439 WO2017063369A1 (en) | 2015-10-15 | 2016-06-02 | Method of establishing wireless direct connection and device utilizing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666985.6A CN105392210B (en) | 2015-10-15 | 2015-10-15 | Wireless direct-connected connection method and device |
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| CN105392210B true CN105392210B (en) | 2019-03-12 |
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| WO (1) | WO2017063369A1 (en) |
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| CN105392210B (en) * | 2015-10-15 | 2019-03-12 | 深圳Tcl数字技术有限公司 | Wireless direct-connected connection method and device |
| CN108243201A (en) * | 2016-12-23 | 2018-07-03 | 乐视汽车（北京）有限公司 | A kind of system and method for the interconnection of vehicle device and realization vehicle device and mobile terminal |
| CN106604403B (en) * | 2017-01-12 | 2021-11-23 | 惠州Tcl移动通信有限公司 | Miracast protocol-based channel selection method and system |
| CN111357344B (en) | 2017-11-16 | 2022-12-27 | 华为技术有限公司 | Multi-carrier frequency selection method and related equipment |
| CN108055671B (en) * | 2017-12-13 | 2021-11-09 | 深圳创维－Rgb电子有限公司 | Multi-device communication method, device, equipment and storage medium |
| CN111065075B (en) * | 2019-12-25 | 2021-06-01 | 郭晋华 | M2M Internet of things improved communication method, equipment and system applied to new-generation information technology |
| CN112566126B (en) * | 2020-12-02 | 2022-04-26 | 支付宝(杭州)信息技术有限公司 | Method, device and equipment for connecting equipment |
| CN113382457B (en) * | 2021-05-17 | 2022-09-02 | Tcl通讯（宁波）有限公司 | WiFi P2P connection method and device, mobile terminal and storage medium |
| CN113329373A (en) * | 2021-06-08 | 2021-08-31 | 阿波罗智联(北京)科技有限公司 | Vehicle machine interconnection method and device |
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| CN103067052A (en) * | 2012-12-26 | 2013-04-24 | 上海合合信息科技发展有限公司 | Method and system used for establishing bluetooth link and based on two-dimension bar code |
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| WO2017063369A1 (en) | 2017-04-20 |
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