CN108512810A - The system that mobile terminal is communicated with car-mounted terminal - Google Patents
The system that mobile terminal is communicated with car-mounted terminal Download PDFInfo
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- CN108512810A CN108512810A CN201710104799.2A CN201710104799A CN108512810A CN 108512810 A CN108512810 A CN 108512810A CN 201710104799 A CN201710104799 A CN 201710104799A CN 108512810 A CN108512810 A CN 108512810A
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- audio
- mounted terminal
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- 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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
- H04M1/72439—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages for image or video messaging
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
Abstract
The embodiment of the present invention discloses a kind of system that mobile terminal is communicated with car-mounted terminal, and the mobile terminal includes the screen data acquisition module being connected with each other, audio recording module, audio frequency control module, data transmission module；The car-mounted terminal includes the throwing screen display module being connected with each other, audio playing module, countercharge module；The data transmission module is communicated to connect with the car-mounted terminal；The screen data acquisition module obtains the mobile terminal screen data, and transmit the screen data to the car-mounted terminal by the data transmission module is shown by throwing screen display module；The audio recording module obtains audio data, and transmit the audio data to the car-mounted terminal by the data transmission module is played out by the audio playing module；The audio frequency control module plays out control；The countercharge module detects operation data, and transmit the operation data to the data transmission module carries out respective operations by the mobile terminal.
Description
Technical field
The present invention relates to the systems that automotive field more particularly to a kind of mobile terminal are communicated with car-mounted terminal.
Background technology
Car-mounted terminal is the important component of vehicle, and car-mounted terminal can provide entertainment selection for driver, and alleviation is driven
Sail fatigue.
But the entertainment selection that car-mounted terminal provides is limited, and mobile terminal (such as mobile phone) has abundant application.Such as
Fruit shows car-mounted terminal and communication of mobile terminal, then can greatly promote user experience.
Invention content
The embodiment of the present invention provides a kind of system that mobile terminal is communicated with car-mounted terminal, can realize car-mounted terminal and move
Dynamic terminal communication.
The embodiment of the present invention adopts the following technical scheme that：
A kind of system that mobile terminal is communicated with car-mounted terminal, the mobile terminal include that the screen data being connected with each other obtains
Modulus block, audio recording module, audio frequency control module, data transmission module；The car-mounted terminal includes the throwing screen being connected with each other
Display module, audio playing module, countercharge module；
The data transmission module is communicated to connect with the car-mounted terminal；
The screen data acquisition module obtains the mobile terminal screen data, by the data transmission module to institute
The car-mounted terminal transmission screen data is stated to be shown by throwing screen display module；
The audio recording module obtains audio data, and institute is transmitted to the car-mounted terminal by the data transmission module
Audio data is stated to be played out by the audio playing module；
The audio frequency control module plays out control；
The countercharge module detects operation data, and the operation data is transmitted by the movement to the data transmission module
Terminal carries out respective operations.
Optionally, the data transmission module includes wifi transmission units, USB transmission unit, the wifi transmission units
Or the USB transmission unit is communicated to connect with the car-mounted terminal；
The wifi transmission units connect the car-mounted terminal with AP P2P connection types；The USB transmission unit is answered
With ADB technologies to the car-mounted terminal transmission data.
Optionally, the screen data acquisition module includes applying interior screenshotss unit and system screenshotss unit, using interior section
Shield unit and obtain the mobile terminal screen display data, the system screenshotss unit obtains the mobile terminal screen and shows number
According to and the mobile terminal application data.
Optionally, the data transmission module connection interior screenshotss unit of the application and the system screenshotss unit, it is described
Data transmission module is packaged the screen data with Bitmap formats or video flows to the car-mounted terminal and transmits.
Optionally, the audio recording module includes applying interior audio data acquiring unit and system audio data acquisition list
Member, the interior audio acquiring unit of application obtain the mobile terminal and apply interior audio data, the system audio data acquisition
Unit obtains the mobile terminal system audio data.
Optionally, the data transmission module connection interior audio data acquiring unit of the application and the system audio number
According to acquiring unit, the system audio data are sent to described vehicle-mounted by the data transmission module application USB Audio technologies
Application layer audio data is sent to the car-mounted terminal by terminal, the data transmission module with MP3 message packet formats.
Optionally, the throwing screen display module includes that Bitmap decoding units, decoding video stream unit and picture draw list
Member.
Optionally, the audio playing module includes player creating unit and audio data broadcast unit.
Optionally, the countercharge module obtains the car-mounted terminal and clicks event composition countercharge data packet, by the control number
It is transmitted to the data transmission module according to packet, the countercharge module simulates click event according to the countercharge data packet.
Screen data and audio data are transmitted to vehicle-mounted by communication system based on the above-mentioned technical proposal, acquisition mobile terminal
Terminal is shown by car-mounted terminal and is played, and to realize the data interaction of mobile terminal and car-mounted terminal, enhances user's body
It tests.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the present invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
One.
Fig. 2 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
Two.
Fig. 3 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
Three.
Fig. 4 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
Four.
Fig. 5 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
Five.
Fig. 6 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
Six.
Fig. 7 be a kind of structural schematic diagram of system that is communicated with car-mounted terminal of mobile terminal shown in the embodiment of the present invention it
Seven.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, shall fall within the protection scope of the present invention.
In the embodiment of the present invention, car-mounted terminal is the equipment that can be mounted on automobile, such as car running computer, vehicle-mounted control
Platform etc.；Mobile terminal can be the equipment with communication function such as mobile phone.
As shown in Figure 1, the embodiment of the present invention provides a kind of system that mobile terminal is communicated with car-mounted terminal, including：It is mobile
Terminal 100 and car-mounted terminal 200.
The mobile terminal 100 includes the screen data acquisition module 11 being connected with each other, audio recording module 12, audio control
Molding block 13, data transmission module 14；The car-mounted terminal 200 includes the throwing screen display module 21 being connected with each other, audio broadcasting
Module 22, countercharge module 23.
The data transmission module 14 is communicated to connect with the car-mounted terminal.
The screen data acquisition module 11 obtains 100 screen data of the mobile terminal, passes through the data transmission mould
Block 14 transmits the screen data to the car-mounted terminal and is shown by throwing screen display module 21.
Wherein, screen data acquisition module 11 obtains 100 screen data of the mobile terminal.
The audio recording module 12 obtains 100 audio data of the mobile terminal, passes through the data transmission module 14
The audio data is transmitted to the car-mounted terminal to be played out by the audio playing module 22.
The audio frequency control module 13 plays out control.
The countercharge module 23 detects 200 operation data of car-mounted terminal, and the behaviour is transmitted to the data transmission module 14
Make data, respective operations are carried out by the mobile terminal.
The format of the screen data is：
Protocol header：Including agreement packet length, cipher mode, agreement packet length=protocol header length+encrypted protocol entity
Length+verification code length, cipher mode determine encrypting and decrypting type, encrypt only for protocol entity；
Protocol entity：Including message header and message body, message header determines that type of message, message body define between mobile phone and vehicle device
The content of operation；
Check code：By in protocol header cipher mode, message header, all bytes carry out what exclusive or obtained successively in message body
As a result；
The format of the audio data is：
Protocol header：Including agreement packet length, cipher mode, agreement packet length=protocol header length+encrypted protocol entity
Length+verification code length, cipher mode determine encrypting and decrypting type, encrypt only for protocol entity；
Protocol entity：Including message header and message body, message header determines that type of message, message body define between mobile phone and vehicle device
The content of operation；
Check code：By in protocol header cipher mode, message header, all bytes carry out what exclusive or obtained successively in message body
As a result；
The format of the operation data is：
Protocol header：Including agreement packet length, cipher mode, agreement packet length=protocol header length+encrypted protocol entity
Length+verification code length, cipher mode determine encrypting and decrypting type, encrypt only for protocol entity；
Protocol entity：Including message header and message body, message header determines that type of message, message body define between mobile phone and vehicle device
The content of operation；
Check code：By in protocol header cipher mode, message header, all bytes carry out what exclusive or obtained successively in message body
As a result.
In one embodiment, it is as follows to collect data resolving for the screen data acquisition module 11：
When the mobile terminal 100 is normally connect with the car-mounted terminal 200, the mobile terminal 100 captures screen
Data and to organize packet procedures as follows：
The first step determines message header；
Second step determines that message body, the message body are the mobile terminal screen data；
Third walks, and all bytes in cipher mode, message header, message body in protocol header are carried out exclusive or successively and are verified
Code；
Message header, message body is encrypted in 4th step, forms protocol entity；
Protocol header length+encrypted agreement body length+verification code length is obtained agreement packet length by the 5th step；
Protocol header, protocol entity, check code three parts are combined, form protocol data packet by the 6th step；
When the car-mounted terminal receives the data that the mobile terminal is sent, the car-mounted terminal is unpacked process：
The first step reads agreement packet length from byte stream, determines protocol data packet length；
Second step reads entire protocol data packet according to agreement packet length；
Third walks, and cipher mode is found according to regulation protocol header length, analysis protocol head in agreement；
4th step calculates encrypted agreement body length, encrypted protocol entity according to agreement packet length, protocol header length
Length=agreement packet length-protocol header length-verification code length；
5th step is decrypted protocol entity, obtains message header according to the cipher mode that the 4th step obtains；
6th step, reads check code from protocol package；
All bytes in cipher mode, message header, message body in protocol header are carried out exclusive or and are verified by the 7th step successively
Code；
8th step compares the check code that the 6th step obtains and the check code that the 7th step obtains, if identical, message is closed
Otherwise method is invalid message；
9th step parses legitimate messages, obtains message header and message body.
Tenth step parses message header, is determined as screenshot data type；
11st step, roundup head parse message body, obtain screenshot data information.
The communication system of the embodiment of the present invention obtains mobile terminal and screen data and audio data is transmitted to vehicle-mounted end
End, is shown by car-mounted terminal and is played, and to realize the data interaction of mobile terminal and car-mounted terminal, enhances user's body
It tests.
In one embodiment, the data transmission module 14 includes wifi transmission units 141, USB transmission as shown in Figure 2
Unit 142, the wifi transmission units 141 or the USB transmission unit 142 are communicated to connect with the car-mounted terminal.
Optionally, the wifi transmission units 141 connect the car-mounted terminal with AP P2P connection types；The USB
Transmission unit 142 applies ADB technologies to the car-mounted terminal transmission data.
In one embodiment, as shown in figure 3, the screen data acquisition module 11 includes using interior screenshotss unit 111
And system screenshotss unit 112, obtaining the mobile terminal 100 using interior screenshotss unit 111, currently (screen display) is applied in operation
Data, the system screenshotss unit 112 obtain the mobile terminal screen display data and the mobile terminal application data.Tool
Body, obtain 100 screen data of mobile terminal or this application data using interior screenshotss unit 111；System screenshotss unit 112 obtains
The data taken are not limited to 100 current application screen data of mobile terminal.In the present embodiment, mobile terminal 100 is by all screen numbers
According to all with the packing of Bitmap format analysis processings or video stream to car-mounted terminal 200.
In one embodiment, as shown in figure 4, throwing screen display module 21 includes Bitmap decoding units 211, video
Flow decoding unit 212 and picture drawing unit 213.
In one embodiment, as shown in figure 5, the data transmission module 14 connects the interior screenshotss unit of the application 111
And the screen data is packaged or is regarded with Bitmap formats by the system screenshotss unit 112, the data transmission module 14
Frequency flows to the car-mounted terminal transmission.
In one embodiment, as shown in fig. 6, the audio recording module 12 includes applying interior audio data acquiring unit
121 and system audio data capture unit 122, it is current that the interior audio acquiring unit of the application 121 obtains the mobile terminal 100
The audio data of the application of operation, the system audio data capture unit 122 obtain 100 system audio number of the mobile terminal
According to.
In one embodiment, the data transmission module 14 connect the interior audio data acquiring unit 141 of the application and
The system audio data capture unit 142, the data transmission module 14 apply USBAudio technologies by the system audio
Data are sent to the car-mounted terminal, and the data transmission module 14 is sent application layer audio data with MP3 message packet formats
To the car-mounted terminal.
In one embodiment, as shown in fig. 7, the audio playing module 22 includes player creating unit 221 and sound
Frequency is according to broadcast unit 222.
In one embodiment, the countercharge module 23 obtains 200 click event of car-mounted terminal composition countercharge data
Packet.
The communication system of the present embodiment obtains mobile terminal and screen data and audio data is transmitted to car-mounted terminal, by
Car-mounted terminal is shown and is played, and to realize the data interaction of mobile terminal and car-mounted terminal, enhances user experience.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or improvement to the technology in market for best explaining each embodiment, or make the art
Other those of ordinary skill can understand each embodiment disclosed herein.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.
Claims (9)
1. the system that a kind of mobile terminal is communicated with car-mounted terminal, which is characterized in that the mobile terminal includes being connected with each other
Screen data acquisition module, audio recording module, audio frequency control module, data transmission module；The car-mounted terminal includes mutual
The throwing screen display module of connection, audio playing module, countercharge module；
The data transmission module is communicated to connect with the car-mounted terminal；
The screen data acquisition module obtains the mobile terminal screen data, by the data transmission module to the vehicle
Mounted terminal transmits the screen data and is shown by throwing screen display module；
The audio recording module obtains audio data, and the sound is transmitted to the car-mounted terminal by the data transmission module
Frequency evidence is played out by the audio playing module；
The audio frequency control module plays out control；
The countercharge module detects operation data, and the operation data is transmitted by the mobile terminal to the data transmission module
Carry out respective operations.
2. according to the method described in claim 1, it is characterized in that, the data transmission module includes wifi transmission units, USB
Transmission unit, the wifi transmission units or the USB transmission unit are communicated to connect with the car-mounted terminal；
The wifi transmission units connect the car-mounted terminal with AP P2P connection types；The USB transmission unit application
ADB technologies are to the car-mounted terminal transmission data.
3. according to the method described in claim 1, it is characterized in that, the screen data acquisition module includes applying interior screenshotss list
Member and system screenshotss unit obtain the mobile terminal screen display data, the system screenshotss unit using interior screenshotss unit
Obtain the mobile terminal screen display data and the mobile terminal application data.
4. according to the method described in claim 3, it is characterized in that, the data transmission module connection interior screenshotss list of application
The first and described system screenshotss unit, the data transmission module is by the screen data with the packing of Bitmap formats or video flowing
It is transmitted to the car-mounted terminal.
5. according to the method described in claim 1, it is characterized in that, the audio recording module includes being obtained using interior audio data
Unit and system audio data capture unit, the interior audio acquiring unit of application is taken to obtain the mobile terminal and apply interior audio
Data, the system audio data capture unit obtain the mobile terminal system audio data.
6. according to the method described in claim 5, it is characterized in that, the data transmission module connection interior audio number of application
According to acquiring unit and the system audio data capture unit, the data transmission module application USB Audio technologies will be described
System audio data are sent to the car-mounted terminal, and the data transmission module is with MP3 message packet formats by application layer audio number
According to being sent to the car-mounted terminal.
7. according to the method described in claim 1, it is characterized in that, the throwing screen display module include Bitmap decoding units,
Decoding video stream unit and picture drawing unit.
8. according to the method described in claim 1, it is characterized in that, the audio playing module include player creating unit and
Audio data broadcast unit.
9. according to the method described in claim 1, it is characterized in that, the countercharge module, which obtains the car-mounted terminal, clicks event
Composition countercharge data packet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104799.2A CN108512810A (en) | 2017-02-24 | 2017-02-24 | The system that mobile terminal is communicated with car-mounted terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710104799.2A CN108512810A (en) | 2017-02-24 | 2017-02-24 | The system that mobile terminal is communicated with car-mounted terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN108512810A true CN108512810A (en) | 2018-09-07 |
Family
ID=63372956
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| CN201710104799.2A Pending CN108512810A (en) | 2017-02-24 | 2017-02-24 | The system that mobile terminal is communicated with car-mounted terminal |
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| CN110381027A (en) * | 2019-06-17 | 2019-10-25 | 深圳市点嘀互联网络有限公司 | Embedded device carries the device and method that carplay agreement connects vehicle device by USB |
| CN110851271A (en) * | 2019-10-28 | 2020-02-28 | 北京梧桐车联科技有限责任公司 | Resource sharing method and device and storage medium |
| CN111107518A (en) * | 2018-10-25 | 2020-05-05 | 上海博泰悦臻电子设备制造有限公司 | Display method, vehicle-mounted terminal, display system and computer-readable storage medium |
| CN112218151A (en) * | 2019-07-11 | 2021-01-12 | 上海博泰悦臻电子设备制造有限公司 | Screen projection method, device, computer storage medium and system |
| CN112423076A (en) * | 2020-11-18 | 2021-02-26 | 努比亚技术有限公司 | Audio screen projection synchronous control method and device and computer readable storage medium |
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