CN106993288A - WiFi control method and device - Google Patents
WiFi control method and device Download PDFInfo
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- CN106993288A CN106993288A CN201710259388.0A CN201710259388A CN106993288A CN 106993288 A CN106993288 A CN 106993288A CN 201710259388 A CN201710259388 A CN 201710259388A CN 106993288 A CN106993288 A CN 106993288A
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- wifi
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of WiFi control method, applied to OBD onboard diagnostic systems, it the described method comprises the following steps：OBD opens Wi-Fi hotspot according to the instruction received, and is attached by the Wi-Fi hotspot and client of unlatching, with realization and client communication；The WiFi addresses in preset range are obtained, and the WiFi addresses got are sent to client；WiFi addresses and correspondence password that client is sent are received, WiFi is connected by the WiFi addresses and correspondence password.The invention also discloses the control method device of WiFi a kind of.The present invention can realize the Wi-Fi hotspot for opening and sharing OBD itself while the WiFi that OBD connections other equipment is shared, and reduce the cost of addition mobile network or cable network.
Description
Technical field
The present invention relates to radio network technique field, more particularly to a kind of WiFi control method and device.
Background technology
The effect of onboard diagnostic system (On Board Diagnostic, OBD) be detection each system operational parameters of automobile with
And vehicle operation data, its initial purpose are read primarily to detecting motor vehicle exhaust emission, to meet the requirement of environmental protection,
OBD is the revolution of primary system to automobile.With the development of technology, current OBD application is considerably beyond simple environmental protection inspection
Survey and expand to the detection of complete each sensor of car and the access of vehicle-mounted computer.System can respectively enter engine, change after starting
The systems such as fast case are by vehicle-mounted computer read failure code and other sensing datas, eventually through mark of the configuration below steering wheel
Quasi- OBD interfaces carry out data access with external equipment.With the development of car networking technology, increasing people begin one's study from
The method that OBD interfaces obtain travelling data, then transfers data to server end and is analyzed, and handles.Traditional OBD master controls
For the low single-chip microcomputer of disposal ability, in the same time, (Wireless-Fidelity is wirelessly protected general only support connection WiFi
Very), so as to carry out data access, or support open focus, realize and client between communication, OBD do not support it is wired or
In the case of person mobile network, OBD can not just access network after connection client.
The content of the invention
It is a primary object of the present invention to propose a kind of WiFi control method and device, it is intended to which solution is not supported in OBD
In the case of wired or mobile network, OBD can not just access the technical problem of network after connection client.
To achieve the above object, the present invention provides a kind of WiFi control method, and methods described includes：
OBD opens Wi-Fi hotspot according to the instruction received, and is attached by the Wi-Fi hotspot and client of unlatching,
With realization and client communication；
Obtain the WiFi addresses in preset range；
The WiFi addresses got are sent to client；
WiFi addresses and correspondence password that client is sent are received, is connected by the WiFi addresses and correspondence password
WiFi。
Alternatively, it is described obtain preset range in WiFi addresses the step of after also include：
Judge in the WiFi addresses with the presence or absence of the WiFi connected；
If in the presence of the WiFi connected, directly extracting connection password, and enter by the WiFi addresses and connection password
Row connection, otherwise, is performed described the step of the WiFi addresses got are sent to client.
Alternatively, it is described to receive WiFi addresses and the correspondence password that client is sent, by the WiFi addresses and correspondingly
The step of password connects WiFi includes：
When the WiFi addresses and correspondence password that receive have multiple, the WiFi received is arranged according to signal intensity
Sequence, signal most strong WiFi addresses and corresponding password connect WiFi in being sorted by WiFi signal intensity；
Or the order according to the WiFi addresses and correspondence password received in lists, the first by being in list
WiFi addresses and correspondence password connection WiFi.
Alternatively, the OBD onboard systems open Wi-Fi hotspot, and focus by unlatching is attached with client
Also include before step：
In OBD onboard system chip, the chip is used for the unlatching and connection for realizing that OBD controls WiFi.
In addition, to achieve the above object, the present invention also provides a kind of WiFi control device, and described device includes：
Opening module, Wi-Fi hotspot, and the Wi-Fi hotspot by unlatching and visitor are opened for OBD according to the instruction received
Family end is attached, with realization and client communication；
Acquisition module, for obtaining the WiFi addresses in preset range；
Sending module, for the WiFi got addresses to be sent to client；
First link block, WiFi addresses and correspondence password for receiving client transmission, passes through the WiFi addresses
And correspondence password connection WiFi.
Alternatively, described device also includes：
Judge module, for judging in the WiFi addresses with the presence or absence of the WiFi connected；
Second link block, if in the presence of the WiFi connected, directly extracting connection password, and pass through the WiFi
Address and connection password are attached, and otherwise, the WiFi addresses got are sent to client.
Alternatively, first link block includes：
Connection unit, for when the WiFi addresses that receive and correspondence password have multiple, by the WiFi received according to
Signal intensity is ranked up, and signal most strong WiFi addresses and corresponding password connect WiFi in being sorted by WiFi signal intensity；
Or the order according to the WiFi addresses that receive and correspondence password in lists, by list in the first WiFi addresses and
Correspondence password connection WiFi.
Alternatively, described device also includes：
Module is installed, in OBD onboard system chip, the chip to be used for the unlatching for realizing that OBD controls WiFi
And connection.
WiFi proposed by the present invention control method and device, first OBD open Wi-Fi hotspot according to the instruction received,
And be attached by the Wi-Fi hotspot and client of unlatching, with realization and client communication；Then obtain in preset range
WiFi addresses, and the WiFi addresses got are sent to client；When the WiFi addresses for receiving client transmission and correspondingly
During password, WiFi is connected by the WiFi addresses and correspondence password, so as to realize that OBD is opening the same of the Wi-Fi hotspot of itself
When connection other equipment open WiFi, in the case where OBD does not support wired or mobile network, connection client after
OBD can also access network, so as to realize the diagnostic data that car running computer is obtained by OBD interfaces, then pass diagnostic data
It is defeated to be analyzed and processed to server end, to complete the diagnosis to vehicle.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of WiFi of the present invention control method first embodiment；
Fig. 2 is the schematic flow sheet of WiFi of the present invention control method second embodiment；
Fig. 3 is the high-level schematic functional block diagram of WiFi of the present invention control device first embodiment；
Fig. 4 is the high-level schematic functional block diagram of WiFi of the present invention control device second embodiment.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
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.
The present invention provides a kind of WiFi control method.
Reference picture 1, Fig. 1 is the schematic flow sheet of WiFi of the present invention control method first embodiment.
In the present embodiment, this method includes：
Step S10, OBD open Wi-Fi hotspot, and the Wi-Fi hotspot and client for passing through unlatching according to the instruction received
It is attached, with realization and client communication；
In the present embodiment, with the rise of car networking concept, increasing electronic equipment is occurred in that on orthodox car,
How quick obtaining fault data, diagnosis and prediction failure are practical problems that each equipment manufacturer will face, existing
Technology is that all kinds of diagnostic datas are obtained from vehicle OBD, passes through SD (Secure Digital Memory Card, safe digital
Card) card is locally preserved or depot's service technician after sale uses cable data connected mode and car by dedicated diagnostic device
The connection of OBD interfaces is carried, so as to obtain diagnostic data.The weak point of this method is, it is necessary to existing by professional and technical personnel
Field export diagnostic data, operation is equal inconvenient with using, and data acquisition is delayed, it is impossible to carry out fault diagnosis in real time.And in OBD
Cable network is not supported and without in the case of SD card, it is impossible to obtain diagnostic data.Therefore the present embodiment proposes a kind of WiFi
Control method, be generally used in OBD, specific implementation process, be also applied in other products, such as mobile terminal.
Automobile is started before diagnosis, the switch for opening OBD focuses is first clicked on, to open OBD focus.Opening OBD focus
Afterwards, client connects OBD focus, with the communication between realization and OBD, it is not necessary to be attached by cable data, from
And the step of operating is reduced, improve operating efficiency.
Step S20, obtains the WiFi addresses in preset range；
After being communicated with client, OBD current location can be positioned by OBD locating module,
The locating module can be positioning chip, i.e., directly installing positioning chip in OBD can be positioned, and the positioning chip can
Think GPS location chip, or be Beidou navigation positioning chip etc., do not limit, determined in the current location to OBD herein
After position, a preset range is then divided, then the available WiFi adjusted the distance in OBD preset ranges is scanned, and acquisition is swept
The WiFi retouched address.
Step S30, the WiFi addresses got are sent to client；
After the WiFi addresses in preset range are obtained, because now OBD does not connect network, therefore can not obtain
WiFi passwords, OBD therefore also can not input WiFi password not used for the interface of input directly in OBD, therefore now need
The WiFi addresses got are sent to client, so that user inputs WiFi password in the client.
Step 40, WiFi addresses and correspondence password that client is sent are received, passes through the WiFi addresses and correspondence password
Connect WiFi.
Sent by WiFi addresses to client, user can input corresponding in the inputting interface of client
WiFi passwords, then by the WiFi addresses received and correspondence cipher feedback to OBD, OBD is by the WiFi addresses and correspondingly
Password can connect WiFi.When the WiFi addresses and correspondence password that client is sent have multiple, OBD can be according to receiving
Wifi addresses and correspondence password are selected, so that it is determined that the WiFi being attached, such as carried out according to each WiFi intensity
The password of connection is selected, or the order sent according to client selects the WiFi of connection, certainly, selects the WiFi of connection side
Method has a variety of, does not limit herein.After connection WiFi, you can vehicle is diagnosed, then obtain each from vehicle OBD
Class diagnostic data, then sent all kinds of diagnostic datas to dedicated diagnostic device by WiFi, it is not necessary to pass through separate diagnostic
Equipment is connected using cable data connected mode and vehicle-mounted OBD interfaces, so as to obtain diagnostic data.Professional technique need not be passed through
Personnel on site exports diagnostic data, and operation is with using more convenient, realizing and carrying out fault diagnosis in real time.
The control method for the WiFi that the present embodiment is proposed, first OBD opens Wi-Fi hotspot according to the instruction received, and leads to
Cross the Wi-Fi hotspot opened to be attached with client, with realization and client communication；Then the WiFi in preset range is obtained
Address, and the WiFi addresses got are sent to client；When the WiFi addresses and correspondence password that receive client transmission
When, WiFi is connected by the WiFi addresses and correspondence password, so as to realize that OBD connects while the Wi-Fi hotspot of itself is opened
The WiFi of other equipment unlatching is met, in the case where OBD does not support wired or mobile network, the OBD after connection client
Network can also be accessed, so as to realize the diagnostic data that car running computer is obtained by OBD interfaces, is then transferred to diagnostic data
Server end is analyzed and processed, to complete the diagnosis to vehicle.
Further, reference picture 2, the control method first embodiment based on WiFi of the present invention proposes WiFi of the present invention control
Method second embodiment processed.
In the present embodiment, also include after the step S20：
Step S50, judges in the WiFi addresses with the presence or absence of the WiFi connected；
Step S60, if in the presence of the WiFi connected, directly extracting connection password, and pass through the WiFi addresses and company
Password is connect to be attached；
Otherwise, the step S30 is performed.
In the present embodiment, after the WiFi addresses in preset range are got, the WiFi can be determined whether
Whether comprising the WiFi connected in address, if in the presence of the WiFi connected, connection password is directly extracted, and by described
WiFi addresses and connection password are attached, it is not necessary to sent wifi addresses and searched or inputted again password to client,
So as to shorten OBD connections wifi time, connection wifi efficiency is improved.If in the absence of the WiFi connected, will obtain
The WiFi addresses got in preset range are sent to client, and password is searched or inputted again will pass through client.
The control method for the WiFi that the present embodiment is proposed, by obtaining the WiFi addresses in preset range after, further
Judge with the presence or absence of the WiFi connected in the WiFi addresses, if in the presence of the WiFi connected, directly extracting connection password,
And by the WiFi addresses and connection password be attached, it is not necessary to WiFi addresses are sent to client searched again or
Password is inputted, so as to shorten OBD connections WiFi time, connection WiFi efficiency is improved.
Further, the control method first embodiment based on present invention connection WiFi proposes WiFi of the present invention controlling party
Method 3rd embodiment.
In the present embodiment, the step S40 includes：
When the WiFi addresses and correspondence password that receive have multiple, the WiFi received is arranged according to signal intensity
Sequence, signal most strong WiFi addresses and corresponding password connect WiFi in being sorted by WiFi signal intensity；
Or the order according to the WiFi addresses and correspondence password received in lists, the first by being in list
WiFi addresses and correspondence password connection WiFi.
In the present embodiment, after the WiFi addresses of client transmission and correspondence password is received, the OBD can be first
First judge whether the WiFi addresses that receive and correspondence password are multiple, when the WiFi addresses and correspondence password that receive have multiple
When, the WiFi received can be ranked up according to WiFi signal intensity, signal in then being sorted by WiFi signal intensity
Most strong WiFi addresses and correspondence password connection WiFi, so that the WiFi that OBD is connected to is most strong for signal, so as to improve OBD
Access the bandwidth of data.Or the order according to the WiFi addresses and correspondence password received in lists, by locating in list
In the first WiFi addresses and correspondence password connection WiFi, to improve connection WiFi efficiency.
Further, any embodiment of control method first to the 3rd based on WiFi of the present invention proposes WiFi's of the present invention
Control method fourth embodiment.
In the present embodiment, before the step S10 the step of, also includes：
In OBD onboard system chip, the chip is used for the unlatching and connection for realizing that OBD controls WiFi.
In the present embodiment, opened because existing OBD can not be realized while the WiFi that other equipment is shared is connected
And share OBD itself Wi-Fi hotspot, therefore, it is necessary to install AP6212 chips before the present embodiment is implemented, and change
The driving source code of AP6212 chips, opens and shares while the WiFi that OBD connections other equipment is shared so that OBD can be realized
The function of OBD itself Wi-Fi hotspot.In specific implementation process, other chips can also be realized, driving source code of modifying.
The present invention further provides a kind of WiFi control device.
Reference picture 3, Fig. 3 is the high-level schematic functional block diagram of WiFi of the present invention control device first embodiment.
In the present embodiment, the device includes：
Opening module 10, Wi-Fi hotspot is opened for OBD according to the instruction that receives, and the Wi-Fi hotspot by unlatching with
Client is attached, with realization and client communication；
In the present embodiment, with the rise of car networking concept, increasing electronic equipment is occurred in that on orthodox car,
How quick obtaining fault data, diagnosis and prediction failure are practical problems that each equipment manufacturer will face, existing
Technology is that all kinds of diagnostic datas are obtained from vehicle OBD, passes through SD (Secure Digital Memory Card, safe digital
Card) card is locally preserved or depot's service technician after sale uses cable data connected mode and car by dedicated diagnostic device
The connection of OBD interfaces is carried, so as to obtain diagnostic data.The weak point of this method is, it is necessary to existing by professional and technical personnel
Field export diagnostic data, operation is equal inconvenient with using, and data acquisition is delayed, it is impossible to carry out fault diagnosis in real time.And in OBD
Cable network is not supported and without in the case of SD card, it is impossible to obtain diagnostic data.Therefore the present embodiment proposes a kind of WiFi
Control device, described device include opening module 10, the switch for opening OBD focuses, before diagnosis is started to automobile,
User first clicks on the switch for opening OBD focuses, to open OBD focus.After OBD focus is opened, client connection
OBD focus, with the communication between realization and OBD, it is not necessary to be attached by cable data, so as to reduce the step of operation
Suddenly, operating efficiency is improved.
Acquisition module 20, for obtaining the WiFi addresses in preset range；
After being communicated with client, OBD current location can be positioned by OBD locating module,
The locating module can be positioning chip, i.e., directly installing positioning chip in OBD can be positioned, and the positioning chip can
Think GPS location chip, or be Beidou navigation positioning chip etc., do not limit, determined in the current location to OBD herein
After position, a preset range is then divided, then the available WiFi adjusted the distance in OBD preset ranges is scanned, and acquisition is swept
The WiFi retouched address.
Sending module 30, for the WiFi got addresses to be sent to client；
After the WiFi addresses in preset range are obtained, because now OBD does not connect network, therefore can not obtain
WiFi passwords, OBD therefore also can not input WiFi password not used for the interface of input directly in OBD, therefore now need
The WiFi addresses got are sent to client, so that user inputs WiFi password in the client.
First link block 40, WiFi addresses and correspondence password for receiving client transmission, by the WiFi
Location and correspondence password connection WiFi.
Sent by WiFi addresses to client, user can input corresponding in the inputting interface of client
WiFi passwords, then by the WiFi addresses received and correspondence cipher feedback to OBD, OBD is by the WiFi addresses and correspondingly
Password can connect WiFi.When the WiFi addresses and correspondence password that client is sent have multiple, OBD can be according to receiving
Wifi addresses and correspondence password are selected, so that it is determined that the WiFi being attached, such as carried out according to each WiFi intensity
The password of connection is selected, or the order sent according to client selects the WiFi of connection, certainly, selects the WiFi of connection side
Method has a variety of, does not limit herein.After connection WiFi, you can vehicle is diagnosed, then obtain each from vehicle OBD
Class diagnostic data, then sent all kinds of diagnostic datas to dedicated diagnostic device by WiFi, it is not necessary to pass through separate diagnostic
Equipment is connected using cable data connected mode and vehicle-mounted OBD interfaces, so as to obtain diagnostic data.Professional technique need not be passed through
Personnel on site exports diagnostic data, and operation is with using more convenient, realizing and carrying out fault diagnosis in real time.
The control device for the WiFi that the present embodiment is proposed, first OBD opens Wi-Fi hotspot according to the instruction received, and leads to
Cross the Wi-Fi hotspot opened to be attached with client, with realization and client communication；Then the WiFi in preset range is obtained
Address, and the WiFi addresses got are sent to client；When the WiFi addresses and correspondence password that receive client transmission
When, WiFi is connected by the WiFi addresses and correspondence password, so as to realize that OBD connects while the Wi-Fi hotspot of itself is opened
The WiFi of other equipment unlatching is met, in the case where OBD does not support wired or mobile network, the OBD after connection client
Network can also be accessed, so as to realize the diagnostic data that car running computer is obtained by OBD interfaces, is then transferred to diagnostic data
Server end is analyzed and processed, to complete the diagnosis to vehicle.
Further, reference picture 4, the control device first embodiment based on WiFi of the present invention proposes WiFi of the present invention control
Device second embodiment processed.
In the present embodiment, the control device of the WiFi also includes：
Judge module 40, for judging in the WiFi addresses with the presence or absence of the WiFi connected；
Second link block 50, if in the presence of the WiFi connected, directly extracting connection password, and by described
WiFi addresses and connection password are attached, and otherwise, the WiFi addresses got are sent to client.
In the present embodiment, after the WiFi addresses in preset range are got, the WiFi can be determined whether
Whether comprising the WiFi connected in address, if in the presence of the WiFi connected, connection password is directly extracted, and by described
WiFi addresses and connection password are attached, it is not necessary to sent wifi addresses and searched or inputted again password to client,
So as to shorten OBD connections wifi time, connection wifi efficiency is improved.If in the absence of the WiFi connected, will obtain
The WiFi addresses got in preset range are sent to client, and password is searched or inputted again will pass through client.
The control device for the WiFi that the present embodiment is proposed, by obtaining the WiFi addresses in preset range after, further
Judge with the presence or absence of the WiFi connected in the WiFi addresses, if in the presence of the WiFi connected, directly extracting connection password,
And by the WiFi addresses and connection password be attached, it is not necessary to WiFi addresses are sent to client searched again or
Password is inputted, so as to shorten OBD connections WiFi time, connection WiFi efficiency is improved.
Further, control device first embodiment based on WiFi of the present invention proposes WiFi of the present invention control device the
Three embodiments.
In the present embodiment, first link block 40 includes：
Connection unit, for when the WiFi addresses that receive and correspondence password have multiple, by the WiFi received according to
Signal intensity is ranked up, and signal most strong WiFi addresses and corresponding password connect WiFi in being sorted by WiFi signal intensity；
Or the order according to the WiFi addresses that receive and correspondence password in lists, by list in the first WiFi addresses and
Correspondence password connection WiFi.
In the present embodiment, after the WiFi addresses of client transmission and correspondence password is received, the OBD can be first
First judge whether the WiFi addresses that receive and correspondence password are multiple, when the WiFi addresses and correspondence password that receive have multiple
When, the WiFi received can be ranked up according to WiFi signal intensity, signal in then being sorted by WiFi signal intensity
Most strong WiFi addresses and correspondence password connection WiFi, so that the WiFi that OBD is connected to is most strong for signal, so as to improve OBD
Access the bandwidth of data.Or the order according to the WiFi addresses and correspondence password received in lists, by locating in list
In the first WiFi addresses and correspondence password connection WiFi, to improve connection WiFi efficiency.
Further, any embodiment of control device first to the 3rd based on WiFi of the present invention proposes WiFi's of the present invention
Control device fourth embodiment.
In the present embodiment, the control device of the WiFi also includes：
Module is installed, in OBD onboard system chip, the chip to be used for the unlatching for realizing that OBD controls WiFi
And connection.
In the present embodiment, opened because existing OBD can not be realized while the WiFi that other equipment is shared is connected
And share OBD itself Wi-Fi hotspot, therefore, it is necessary to install AP6212 chips before the present embodiment is implemented, and change
The driving source code of AP6212 chips, opens and shares while the WiFi that OBD connections other equipment is shared so that OBD can be realized
The function of OBD itself Wi-Fi hotspot.In specific implementation process, other chips can also be realized, driving source code of modifying.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (8)
1. a kind of WiFi control method, applied to OBD onboard diagnostic systems, it is characterised in that methods described includes following step
Suddenly：
OBD opens Wi-Fi hotspot according to the instruction received, and is attached by the Wi-Fi hotspot and client of unlatching, with reality
Now with client communication；
Obtain the WiFi addresses in preset range；
The WiFi addresses got are sent to client；
WiFi addresses and correspondence password that client is sent are received, WiFi is connected by the WiFi addresses and correspondence password.
2. WiFi as claimed in claim 1 control method, it is characterised in that the WiFi addresses in the acquisition preset range
The step of after also include：
Judge in the WiFi addresses with the presence or absence of the WiFi connected；
If in the presence of the WiFi connected, directly extracting connection password, and connected by the WiFi addresses and connection password
Connect, otherwise, perform described the step of the WiFi addresses got are sent to client.
3. WiFi as claimed in claim 1 control method, it is characterised in that the WiFi addresses that the reception client is sent
And password is corresponded to, the step of connecting WiFi by the WiFi addresses and correspondence password includes：
When the WiFi addresses and correspondence password that receive have multiple, the WiFi received is ranked up according to signal intensity,
Signal most strong WiFi addresses and corresponding password connect WiFi in being sorted by WiFi signal intensity；
Or the order according to the WiFi addresses and correspondence password received in lists, by with being in the first WiFi in list
Location and correspondence password connection WiFi.
4. the control method of the WiFi as described in claim any one of 1-3, it is characterised in that the OBD onboard systems are opened
Wi-Fi hotspot, and the step of be attached by the focus of unlatching with client before also include：
In OBD onboard system chip, the chip is used for the unlatching and connection for realizing that OBD controls WiFi.
5. a kind of WiFi control device, applied to OBD onboard diagnostic systems, it is characterised in that described device includes：
Opening module, Wi-Fi hotspot, and the Wi-Fi hotspot and client for passing through unlatching are opened for OBD according to the instruction received
It is attached, with realization and client communication；
Acquisition module, for obtaining the WiFi addresses in preset range；
Sending module, for the WiFi got addresses to be sent to client；
First link block, WiFi addresses and correspondence password for receiving client transmission, by WiFi addresses and right
Password is answered to connect WiFi.
6. WiFi as claimed in claim 5 control device, it is characterised in that described device also includes：
Judge module, for judging in the WiFi addresses with the presence or absence of the WiFi connected；
Second link block, if in the presence of the WiFi connected, directly extracting connection password, and pass through the WiFi addresses
And connection password is attached, and otherwise, the WiFi addresses got are sent to client.
7. WiFi as claimed in claim 5 control device, it is characterised in that first link block includes：
Connection unit, for when the WiFi addresses and correspondence password that receive have multiple, by the WiFi received according to signal
Intensity is ranked up, and signal most strong WiFi addresses and corresponding password connect WiFi in being sorted by WiFi signal intensity；Or press
According to the order of the WiFi addresses and correspondence password received in lists, by the WiFi addresses in first place in list and correspondingly
Password connects WiFi.
8. the control device of the WiFi as described in claim any one of 5-7, it is characterised in that described device also includes：
Module is installed, in OBD onboard system chip, the chip to be used for unlatching and the company for realizing OBD controls WiFi
Connect.
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|---|---|---|---|
| CN201710259388.0A CN106993288A (en) | 2017-04-19 | 2017-04-19 | WiFi control method and device |
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| CN201710259388.0A CN106993288A (en) | 2017-04-19 | 2017-04-19 | WiFi control method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982118A (en) * | 2018-07-25 | 2018-12-11 | 安徽江淮汽车集团股份有限公司 | Automotive diagnostic system and VCI equipment automatic connection method and system |
| CN109151769A (en) * | 2018-09-05 | 2019-01-04 | 上海汽车集团股份有限公司 | Support the car networking system data processing equipment and processing method of multi-network mode |
| CN111132267A (en) * | 2018-10-31 | 2020-05-08 | 深圳市冠旭电子股份有限公司 | Network distribution method and device and terminal equipment |
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