CN109525639A - Vehicle electronic device connects the method that smart phone realizes online by USB line - Google Patents
Vehicle electronic device connects the method that smart phone realizes online by USB line Download PDFInfo
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- CN109525639A CN109525639A CN201811203399.8A CN201811203399A CN109525639A CN 109525639 A CN109525639 A CN 109525639A CN 201811203399 A CN201811203399 A CN 201811203399A CN 109525639 A CN109525639 A CN 109525639A
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- electronic device
- smart phone
- vehicle electronic
- usb
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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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 vehicle electronic devices to connect the method that smart phone realizes online by USB line, includes the following steps: to establish USB data transmission link between 1. smart phones and vehicle electronic device；2. vehicle electronic device opening network is acted on behalf of, WIFI network address is configured, and by the data forwarding of the WIFI network node of interception to network agent client；3. smart phone is established TCP socket with vehicle electronic device and is connect；4. being connected by TCP socket, smart phone receives the data that vehicle electronic device is sent；5. the data that smart phone will be got from external network server are sent to vehicle electronic device by USB data transmission link, to realize the function of vehicle electronic device online.The present invention is easy, low in cost with using, and is connected to the network stable feature.
Description
Technical field
The present invention relates to vehicle electronics technical fields, and easy, low in cost more particularly, to a kind of use, network connection is steady
Fixed vehicle electronic device connects the method that smart phone realizes online by USB line.
Background technique
In recent years, quickly propelling with automobile " four change " (motorized, intelligence, net connectionization, sharedization), produces to automobile
Industry brings new technological change tide, and vehicle electronic device net connectionization is increasingly becoming main trend.In order to realize vehicle mounted electric
The power of sub- equipment, can surf the Internet will become primary demand.Realize that vehicle electronic device is surfed the Internet, one is 4G mould is housed
Block is surfed the Internet by 4G module, and this mode is surfed the Internet, and hardware cost and flow cost are very high；One is WIFI module is equipped with, need
The online of mobile phone hot spot, this mode surfs the Internet, needs to go to connect manually, and Connection Step is more, very inconvenient, especially in driving conditions
In in this way operation can bring very big security risk.
Therefore, it is easy, low in cost to design a kind of use, is connected to the network stable vehicle electronic device and passes through USB line company
The method that smart phone realizes online is connect, is just seemed very necessary.
Summary of the invention
The present invention is to realize that there are hardware costs and flow cost for vehicle electronic device online to overcome in the prior art
Excessively high, the cumbersome problem of Connection Step provides a kind of using easy, low in cost, is connected to the network stable vehicle electronics and sets
It is standby that the method that smart phone realizes online is connected by USB line.
To achieve the above object, the invention adopts the following technical scheme:
A kind of method that vehicle electronic device connects smart phone realization online by USB line, including smart phone and vehicle mounted electric
Sub- equipment is equipped with external network proxy services end and USB Device communication interface on smart phone, and vehicle electronic device includes
WIFI module, USB Host communication interface are also equipped with network agent client on vehicle electronic device；Smart phone passes through
4G/WIFI module accesses internet online, and vehicle electronic device is connect by USB data line with smart phone；The present invention also wraps
Include following steps:
(1-1) establishes USB data transmission link between smart phone and vehicle electronic device:
Smart phone is connect with vehicle electronic device by USB data line, establishes USB data transmission link, and pass through vehicle mounted electric
The USB Host communication interface of sub- equipment and the USB Device communication interface of smart phone realize usb data communication and TCP number
According to the mutual conversion of communication；
(1-2) vehicle electronic device opening network agency, configures WIFI network address, and by the number of the WIFI network node of interception
According to being forwarded to network agent client；
(1-3) smart phone is established TCP socket with vehicle electronic device and is connect:
The network agent client of vehicle electronic device and smart phone external network proxy services end pass through described in step (1-1)
Usb data communication is established TCP socket with the mutual conversion function that TCP data communicates and is connect；
(1-4) is connected by TCP socket, and smart phone receives the data that vehicle electronic device is sent；
The data that (1-5) smart phone will be got from external network server are sent to vehicle mounted electric by USB data transmission link
Sub- equipment.
The present invention realizes that smart phone is vehicle while charging by USB connection smart phone and vehicle electronic device
It carries electronic equipment and the function of networking is provided, extreme enrichment vehicle electronic device using resource and enhances using function.In addition, this
In invention vehicle electronic device online by user's smart phone share flow, greatly saved user buy hardware at
This is equipped with the campus network of independent sim card online with saving.The present invention is easy, low in cost with using, and network connection is steady
Fixed feature.
Preferably, step (1-2) further includes following steps:
The network agent client terminal start-up external network proxy services installed on vehicle electronic device are bound the port TCP/IP and are monitored
The port TCP/IP；Configure the WIFI network address of vehicle electronic device；Iptables rule is added, by the WIFI network interface card
TCP/IP communication data package capture is forwarded to the TCP/IP socket port of the external network proxy services.
Preferably, step (1-4) further includes following steps:
The network agent client of vehicle electronic device passes through TCP socket connection described in step (1-3), sending step (1-
2) communication data packet intercepted in gives smart phone external network proxy services end, and external network proxy services end solves received data
Analysis obtains the information such as the outer net target ip address that network is accessed in data packet, port numbers, agreement.
Preferably, step (1-5) further includes following steps:
External network proxy services end on smart phone by data information described in step (1-4) by the network of smart phone with
The target ip address, port numbers external network server establish TCP connection, specific data are sent to external network server, and will
The data that the external network server returns pass through the TCP socket connection that step (1-3) is established, and are sent to vehicle electronics and set
Standby upper network agent client, to realize the function of vehicle electronic device online.
Preferably, being additionally provided with the Microsoft Loopback Adapter for replacing WIFI module in vehicle electronic device.Pass through Microsoft Loopback Adapter
It realizes a network node and configures the network address of Microsoft Loopback Adapter, addition iptables intercepts forward rule, intercepts virtual net
The data of card network node can also equally realize that vehicle electronic device is surfed the Internet.
Preferably, vehicle electronic device is as USB Host equipment, smart phone is as USB Device equipment.
In addition, heretofore described vehicle electronic device refers to the equipment with embedded OS, including but unlimited
In these equipment, such as vehicle-mounted multimedia equipment, navigation equipment, backsight mirror device etc..
Therefore, smart phone is connected by USB data line the invention has the following beneficial effects: (1) to set with vehicle electronics
It is standby, realize that smart phone provides the function of networking while charging for vehicle electronic device, extreme enrichment vehicle electronics is set
It is standby to use resource and enhance using function；(2) flow that vehicle electronic device online is shared by user's smart phone, greatly
User has been saved to buy the cost of hardware and save the campus network for being equipped with independent sim card online；(3) wired transmission is utilized
Mode keeps network connection more stable.
Detailed description of the invention
Fig. 1 is a kind of functional block diagram of the invention；
Fig. 2 is a kind of flow chart of the invention；
Fig. 3 is the flow chart that equipment certification is carried out after the vehicle electronic device in the present invention is connect with smart phone.
In figure: smart phone 1, vehicle electronic device 2, external network proxy services end 3, USB Device communication interface 4, WIFI
Module 5, USB Host communication interface 6, network agent client 7,4G/WIFI module 8.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing:
Embodiment: a kind of vehicle electronic device as shown in Figure 1 connects the method that smart phone realizes online, packet by USB line
Smart phone 1 and vehicle electronic device 2 are included, external network proxy services end 3 is installed on smart phone and USB Device communication connects
Mouth 4, vehicle electronic device includes WIFI module 5, USB Host communication interface 6, is also equipped with network on vehicle electronic device
Agent client 7；Smart phone accesses internet online by 4G/WIFI module 8, and vehicle electronic device passes through USB data line
It is connect with smart phone.Wherein, vehicle electronic device is as USB Host equipment, and smart phone is as USB Device equipment.
A kind of vehicle electronic device as shown in Figure 2 connects the method that smart phone realizes online by USB line, including such as
Lower step:
(1-1) establishes USB data transmission link between smart phone and vehicle electronic device:
Smart phone is connect with vehicle electronic device by USB data line, establishes USB data transmission link, and pass through vehicle mounted electric
The USB Host communication interface of sub- equipment and the USB Device communication interface of smart phone realize usb data communication and TCP number
According to the mutual conversion of communication；
(1-2) vehicle electronic device opening network agency, configures WIFI network address, and by the number of the WIFI network node of interception
According to being forwarded to network agent client:
The network agent client terminal start-up external network proxy services installed on vehicle electronic device are bound the port TCP/IP and are monitored
The port TCP/IP；Configure the WIFI network address of vehicle electronic device；Iptables rule is added, by the WIFI network interface card
TCP/IP communication data package capture is forwarded to the TCP/IP socket port of the external network proxy services；
(1-3) smart phone is established TCP socket with vehicle electronic device and is connect:
The network agent client of vehicle electronic device and smart phone external network proxy services end pass through described in step (1-1)
Usb data communication is established TCP socket with the mutual conversion function that TCP data communicates and is connect；
(1-4) is connected by TCP socket, and smart phone receives the data that vehicle electronic device is sent:
The network agent client of vehicle electronic device passes through TCP socket connection described in step (1-3), sending step (1-
2) communication data packet intercepted in gives smart phone external network proxy services end, and external network proxy services end solves received data
Analysis obtains the information such as the outer net target ip address that network is accessed in data packet, port numbers, agreement；
The data that (1-5) smart phone will be got from external network server are sent to vehicle mounted electric by USB data transmission link
Sub- equipment:
External network proxy services end on smart phone by data information described in step (1-4) by the network of smart phone with
The target ip address, port numbers external network server establish TCP connection, specific data are sent to external network server, and will
The data that the external network server returns pass through the TCP socket connection that step (1-3) is established, and are sent to vehicle electronics and set
Standby upper network agent client, to realize the function of vehicle electronic device online.
In addition, being additionally provided with the Microsoft Loopback Adapter for replacing WIFI module in vehicle electronic device.It is realized by Microsoft Loopback Adapter
One network node and the network address for configuring Microsoft Loopback Adapter, addition iptables intercept forward rule, intercept Microsoft Loopback Adapter net
The data of network node can also equally realize that vehicle electronic device is surfed the Internet.
In addition, being also equipped with USB Host communication module in vehicle electronic device, USB is also equipped in smart phone
Device communication module, as shown in figure 3, vehicle electronic device is set after being connect with smart phone by USB data line
Standby certification, the first step establishes USB data transmission link, and creates TCP Socket connection.Second step carries out equipment certification, vehicle-mounted
USB Host communication module in electronic equipment generates a group encryption Key at random, and then USB Host communication module is the Key
The USB Device communication module being sent to by the TCP Socket connection established in smart phone；USB Device communication
After module receives encryption Key, the encryption Key is saved, and according to generating one group of reply data after specific cryptographic calculation, and
The USB Host communication module reply data being sent in vehicle electronic device；USB Host communication module receives institute
After stating reply data, according to specific decryption operation, successful decryption is then completed equipment identifying procedure, is disconnected if decrypting failure
Above-mentioned TCP Socket connection.Third step, after being authenticated by equipment, all communication datas are all logical using the encryption Key
It is transmitted after crossing specific cryptographic calculation.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (6)
1. a kind of vehicle electronic device connects the method that smart phone realizes online, including smart phone (1) and vehicle by USB line
It carries electronic equipment (2), characterized in that external network proxy services end (3) and USB Device communication interface are installed on smart phone
(4), vehicle electronic device includes WIFI module (5), USB Host communication interface (6), is also equipped on vehicle electronic device
Network agent client (7)；Smart phone accesses internet online by 4G/WIFI module (8), and vehicle electronic device passes through
USB data line is connect with smart phone；Further include following steps:
(1-1) establishes USB data transmission link between smart phone and vehicle electronic device:
Smart phone is connect with vehicle electronic device by USB data line, establishes USB data transmission link, and pass through vehicle mounted electric
The USB Host communication interface of sub- equipment and the USB Device communication interface of smart phone realize usb data communication and TCP number
According to the mutual conversion of communication；
(1-2) vehicle electronic device opening network agency, configures WIFI network address, and by the number of the WIFI network node of interception
According to being forwarded to network agent client；
(1-3) smart phone is established TCP socket with vehicle electronic device and is connect:
The network agent client of vehicle electronic device and smart phone external network proxy services end pass through described in step (1-1)
Usb data communication is established TCP socket with the mutual conversion function that TCP data communicates and is connect；
(1-4) is connected by TCP socket, and smart phone receives the data that vehicle electronic device is sent；
The data that (1-5) smart phone will be got from external network server are sent to vehicle mounted electric by USB data transmission link
Sub- equipment.
2. vehicle electronic device according to claim 1 connects the method that smart phone realizes online by USB line, special
Sign is that step (1-2) further includes following steps:
The network agent client terminal start-up external network proxy services installed on vehicle electronic device are bound the port TCP/IP and are monitored
The port TCP/IP；Configure the WIFI network address of vehicle electronic device；Iptables rule is added, by the WIFI network interface card
TCP/IP communication data package capture is forwarded to the TCP/IP socket port of the external network proxy services.
3. vehicle electronic device according to claim 2 connects the method that smart phone realizes online by USB line, special
Sign is that step (1-4) further includes following steps:
The network agent client of vehicle electronic device passes through TCP socket connection described in step (1-3), sending step (1-
2) communication data packet intercepted in gives smart phone external network proxy services end, and external network proxy services end solves received data
Analysis obtains the information such as the outer net target ip address that network is accessed in data packet, port numbers, agreement.
4. vehicle electronic device according to claim 1 or 3 connects the method that smart phone realizes online by USB line,
It is characterized in that step (1-5) further includes following steps:
External network proxy services end on smart phone by data information described in step (1-4) by the network of smart phone with
The target ip address, port numbers external network server establish TCP connection, specific data are sent to external network server, and will
The data that the external network server returns pass through the TCP socket connection that step (1-3) is established, and are sent to vehicle electronics and set
Standby upper network agent client, to realize the function of vehicle electronic device online.
5. vehicle electronic device according to claim 1 or 2 or 3 connects the side that smart phone realizes online by USB line
Method, characterized in that the Microsoft Loopback Adapter for replacing WIFI module is additionally provided in vehicle electronic device.
6. vehicle electronic device according to claim 1 connects the method that smart phone realizes online by USB line, special
Sign is that vehicle electronic device is as USB Host equipment, and smart phone is as USB Device equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203399.8A CN109525639A (en) | 2018-10-16 | 2018-10-16 | Vehicle electronic device connects the method that smart phone realizes online by USB line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811203399.8A CN109525639A (en) | 2018-10-16 | 2018-10-16 | Vehicle electronic device connects the method that smart phone realizes online by USB line |
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| CN109525639A true CN109525639A (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811203399.8A Pending CN109525639A (en) | 2018-10-16 | 2018-10-16 | Vehicle electronic device connects the method that smart phone realizes online by USB line |
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Cited By (5)
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| CN110366141A (en) * | 2019-06-17 | 2019-10-22 | 深圳市点嘀互联网络有限公司 | The system and method surfed the Internet simultaneously to vehicle device to equipment charge are realized by usb proxy |
| CN111885605A (en) * | 2020-07-02 | 2020-11-03 | 浙江科技学院 | Method for converting terminal parasitic network |
| CN112437161A (en) * | 2020-11-27 | 2021-03-02 | 北京达佳互联信息技术有限公司 | Network agent control method, device and computer readable storage medium |
| CN112566071A (en) * | 2020-11-18 | 2021-03-26 | 深圳市豪恩汽车电子装备股份有限公司 | Mobile terminal, information communication device and method of mobile terminal |
| CN113473572A (en) * | 2020-03-31 | 2021-10-01 | 苏州佳世达电通有限公司 | Host computer networking system and host computer networking method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110366141A (en) * | 2019-06-17 | 2019-10-22 | 深圳市点嘀互联网络有限公司 | The system and method surfed the Internet simultaneously to vehicle device to equipment charge are realized by usb proxy |
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| CN112437161B (en) * | 2020-11-27 | 2024-04-30 | 北京达佳互联信息技术有限公司 | Network proxy control method, device and computer readable storage medium |
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Application publication date: 20190326 |