CN110072148A - A kind of implementation method of the inter-vehicle information system based on master slave mode - Google Patents
A kind of implementation method of the inter-vehicle information system based on master slave mode Download PDFInfo
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- CN110072148A CN110072148A CN201910254497.2A CN201910254497A CN110072148A CN 110072148 A CN110072148 A CN 110072148A CN 201910254497 A CN201910254497 A CN 201910254497A CN 110072148 A CN110072148 A CN 110072148A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41422—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance located in transportation means, e.g. personal vehicle
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/44213—Monitoring of end-user related data
- H04N21/44222—Analytics of user selections, e.g. selection of programs or purchase activity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4438—Window management, e.g. event handling following interaction with the user interface
Abstract
The present invention provides the implementation method of the inter-vehicle information system based on master slave mode, the inter-vehicle information system based on master slave mode, including main computer unit and appendent computer system, and the main computer unit is based on real time operating system, and appendent computer system is based on open source operating system.Inter-vehicle information system based on master slave mode of the invention had both had the characteristics that QNX system operational safety degree was high, starting speed is fast, highly reliable, mobile interchange, the third-party application extension, open feature that Android system has have been taken into account again, improve user experience.
Description
Technical field
The present invention relates to vehicle electronics technical field more particularly to a kind of realities of the inter-vehicle information system based on master slave mode
Existing method.
Background technique
The mainstream operation system that the host of inter-vehicle information system uses at present has WinCE, QNX, Android system etc., these
Operating system advantage and disadvantage are all obvious.The advantage of QNX operating system is: the speed of service is very fast, and security of system is leaned on, it is
A Mach includes multiple layers or server, even if one of them is closed or crashes, other layers or server
Will not be impacted, there is high stable reliability.QNX operating system is by the automobile including Ford, Porsche, BMW
Manufacturer chooses, and becomes the operating system of vehicular map, communications and entertainment system.But as the operating system of a relative closure,
Application is not abundant enough.Opposite QNX operating system, Android system are increased income completely, and various applications, service have become connection and use
Tie of the family with internet.But operating system of the Android system as on-vehicle host, exist starting speed it is slow, reliability is not high
Problem.
Summary of the invention
The present invention provides a kind of implementation method of inter-vehicle information system based on master slave mode, it is intended to solve in the prior art
Defect, realize the respective advantage of fusion QNX system, android system, improve the stability and scalability of inter-vehicle information system.
In order to achieve the above objectives, the technical solution used in the present invention are as follows:
One aspect of the present invention provides a kind of inter-vehicle information system based on master slave mode, including main computer unit and slave list
Member, the main computer unit are based on real time operating system, and appendent computer system is based on open source operating system；
Specifically, the main computer unit includes touch screen, touches switching module, host touch parsing module, video input
Interface module, video frequency switching module, video processing module, display screen, audio input interface module, Audio conversion module, audio
Amplification module, master slave mode switching module, priority judgment module, switch logic control module, host communication module；
The appendent computer system includes slave audio output module, slave Video Output Modules, slave communication module, slave touching
Touch parsing module；
The touch screen, for receiving the touch operation of user；
The touch switching module, according to the touch data that slave mode receives touch screen be switched to host or from
Machine；
The host touches parsing module, for explaining the touch data for being sent to host；
The video input interface module, for external video signal to be linked into host；
Video channel is switched to host or slave according to slave mode by the video frequency switching module；
The video processing module is converted to the video format to match with display screen for input video；
The display screen, for showing human-computer interaction interface；
The audio input interface module, for external audio signal to be linked into host；
Voice-grade channel is switched to host or slave according to slave mode by the Audio conversion module；
The audio amplification block, for audio signal to be carried out power amplification；
The master slave mode switching module, receives the model selection of user；
The priority judgment module, the priority level of the application program for judging to initiate request；
The switch logic control module controls the audio-video and touch screen of host according to the priority level of application program；
The host communication module, for being communicated with slave；
The slave audio output module, for exporting the audio data of slave；
The slave Video Output Modules, for exporting the video data of slave；
The slave communication module, is used for and host communication；
The slave touches parsing module, for parsing the touch data of host transmission, executes corresponding operating.
Specifically, the touch screen is capacitive touch screen.
Specifically, the real time operating system is QNX system, and the open source operating system is Android system.
Specifically, main computer unit and appendent computer system are communicated by serial ports.
One aspect of the present invention provides a kind of implementation method of inter-vehicle information system based on master slave mode, comprising:
The operational mode of acquisition system；
Touch data is sent according to the operational mode；
Obtain the audio-video priority and interrupt requests of application program；
Switch audio-video channel according to the audio-video priority and interrupt requests.
Specifically, described the step of sending touch data according to the operational mode, includes:
Step 201 judges whether current system is host mode, is that touch data is sent to host and is parsed,
Otherwise enter in next step；
Step 202 judges whether current interactive interface has been superimposed the child window of host application program, is then into next
Step, it is no to then follow the steps 204；
Step 203 judges whether touch area is located in the child window, is to then follow the steps 205, no to then follow the steps
204；
Touch data is sent to slave and parses by step 204；
Touch data is transmitted to aster Resolution by slave by step 205.
Specifically, described to include: according to the step of audio-video priority and interrupt requests switching audio-video channel
Step 401 obtains the first application program in host front stage operation and the second application in host running background
Program；
Video channel is switched to the first application program by step 402；
Step 403, the audio priory grade for obtaining first application program and the second application program；
Voice-grade channel is switched to the high channel of the audio priory grade by step 404；
Step 405 obtains audio or/and video breaks request；
The priority and first application program, second of step 406, the audio or/and video breaks request
The audio-video priority height of application program；
Voice-grade channel is switched to the highest application program of audio priory grade by step 407, and video channel is switched to video
The application program of highest priority.
The beneficial effects of the present invention are: the present invention is made by merging QNX system, android system respectively advantage based on master
The inter-vehicle information system of slave pattern had not only had the characteristics that QNX system operational safety degree was high, starting speed is fast, highly reliable, but also took into account
Mobile interchange that Android system has, third-party application extension, open feature, improve user experience.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the inter-vehicle information system of the invention based on master slave mode；
Fig. 2 is the implementation method flow chart of the inter-vehicle information system of the invention based on master slave mode.
Specific embodiment
Specifically illustrate embodiments of the present invention with reference to the accompanying drawing, attached drawing is only for reference and illustrates use, does not constitute pair
The limitation of the invention patent protection scope.
On the one hand the embodiment of the present invention provides a kind of inter-vehicle information system based on master slave mode, including main computer unit and
Appendent computer system, the main computer unit are based on a real time operating system, and appendent computer system is based on an open source operating system, as shown in Figure 1.
Specifically, the real time operating system is QNX system, and the open source operating system is Android system.
Specifically, main computer unit and appendent computer system are communicated by serial ports (such as I2C, SPI, UART etc.).
Main computer unit is built-in with the high application program of priority level height, real-time, security requirement, such as navigation, bluetooth
Deng；The application program that then built-in priority level is relatively low for appendent computer system, real-time, security requirement are relatively low, for example, it is more
The application program that the users such as media play, internet browsing, social activity can voluntarily install.Main computer unit has the sound to system
Frequently, the control authority that video, man-machine interactive operation switch, when inter-vehicle information system is switched to slave mode by user, slave
Unit is by obtaining corresponding audio-video, man-machine interactive operation resource to main computer unit application permission.
Specifically, the main computer unit includes touch screen, touches switching module, host touch parsing module, video input
Interface module, video frequency switching module, video processing module, display screen, audio input interface module, Audio conversion module, audio
Amplification module, master slave mode switching module, priority judgment module, switch logic control module, host communication module；
The appendent computer system includes slave audio output module, slave Video Output Modules, slave communication module, slave touching
Touch parsing module；
Specifically, the touch screen is capacitive touch screen, for receiving the touch operation of user；
The touch switching module, according to the touch data that slave mode receives touch screen be switched to host or from
Machine；
The host touches parsing module, for explaining the touch data for being sent to host；
The video input interface module, for external video signal to be linked into host, such as slave output video,
The first-class video of AUX, ATV, DVR, reversing camera；
Video channel is switched to host or slave according to slave mode by the video frequency switching module；
The video processing module is converted to the video format to match with display screen for input video；
The display screen, for showing human-computer interaction interface；
The audio input interface module, for external audio signal to be linked into host, such as slave output audio,
The audio of AUX, ATV, DVR etc.；
Voice-grade channel is switched to host or slave according to slave mode by the Audio conversion module；
The audio amplification block, for audio signal to be carried out power amplification；
The master slave mode switching module, receives the model selection of user, can touch icon for one, or one is real
Body button, or the device of specific trigger signal, such as voice control, gesture control can be generated etc.；
The priority judgment module, the priority level of the application program for judging to initiate request；
The switch logic control module controls the audio-video and touch screen of host according to the priority level of application program；
The host communication module, for being communicated with slave；
The slave audio output module, for exporting the audio data of slave；
The slave Video Output Modules, for exporting the video data of slave；
The slave communication module, is used for and host communication；
The slave touches parsing module, for parsing the touch data of host transmission, executes corresponding operating.
As shown in Fig. 2, another aspect of the present invention provides a kind of implementation method of inter-vehicle information system based on master slave mode,
Specifically:
Step 1, the operational mode for obtaining system；
Step 2 sends touch data according to the operational mode；
Step 3, the audio-video priority and interrupt requests for obtaining application program；
Step 4 switches audio-video channel according to the audio-video priority and interrupt requests.
Specifically, the step 2 includes:
Step 201 judges whether current system is host mode, is that touch data is sent to host and is parsed,
Otherwise enter in next step；
Step 202 judges whether current interactive interface has been superimposed the child window of host application program, is then into next
Step, it is no to then follow the steps 204；
Step 203 judges whether touch area is located in the child window, is to then follow the steps 205, no to then follow the steps
204；
Touch data is sent to slave and parses by step 204；
Touch data is transmitted to aster Resolution by slave by step 205.
Since appendent computer system shares the touch screen of main computer unit, therefore, it is necessary to first determine whether operational mode locating for system
It is host mode or slave mode.When being host mode, host directly handles touch screen operation, when being slave mode,
The data (such as coordinate) of touch screen are sent to slave by host, carry out dissection process by slave.Sometimes, although system operation from
The program (such as navigation) of machine unit, still, at this time if there is the program of the higher main computer unit of priority level (such as bluetooth electricity
Words) it needs to run, and the program of main computer unit is not necessarily to all cover the program of appendent computer system, then it can be in appendent computer system
Program runnable interface on be superimposed main computer unit program, i.e., current interactive interface superposition host application program child window；
As previously mentioned, main computer unit and appendent computer system share touch screen, when current interactive interface has been superimposed the sub- window of host application program
When mouth, if touch operation is occurred in the child window of host application program, since slave obtains making for touch screen at this time
With permission, it is therefore desirable to which touch data is transmitted to aster Resolution by slave, whereas if touch operation occurs in host application journey
Outside the child window of sequence, then touch data is directly sent to slave and parsed.
Specifically, the step 4 includes:
Step 401 obtains the first application program in host front stage operation and the second application in host running background
Program；
For example, the first application program in front stage operation is navigation in host, the second application program of running background is
Internet radio in slave.
Video channel is switched to the first application program by step 402；
At this point, the navigation interface in front stage operation is shown in system.
Step 403, the audio priory grade for obtaining first application program and the second application program；
The audio priory grade of first application program and the second application program has preset and has stored in design
In a program, such as the audio priory grade of the navigation application program is lower than the internet radio.And user is voluntarily pacified
The audio priory grade of the third party application of dress, is defaulted as highest level, and user can also be allowed voluntarily to specify third-party application
The audio priory grade of program, and store into system.
Voice-grade channel is switched to the high channel of the audio priory grade by step 404；
In the present embodiment, voice-grade channel is switched to internet radio.
Step 405 obtains audio or/and video breaks request；
The audio or/and video breaks request, can also not necessarily from just in foreground or the application program of running background
To be the bluetooth telephone program in system in other application program, such as host.
The priority and first application program, second of step 406, the audio or/and video breaks request
The audio-video priority height of application program；
Voice-grade channel is switched to the highest application program of audio priory grade by step 407, and video channel is switched to video
The application program of highest priority.
Generally, bluetooth telephone pre-sets very high priority, therefore, when the bluetooth telephone in host generates interruption
When, bluetooth telephone interface need to be shown, and voice-grade channel is switched to Bluetooth channels, to receive calls.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit rights protection model of the invention with this
It encloses, therefore according to equivalent variations made by scope of the present invention patent, is still within the scope of the present invention.
Claims (3)
1. a kind of implementation method of the inter-vehicle information system based on master slave mode characterized by comprising
The operational mode of acquisition system；
Touch data is sent according to the operational mode；
Obtain the audio-video priority and interrupt requests of application program；
Switch audio-video channel according to the audio-video priority and interrupt requests.
2. the implementation method of the inter-vehicle information system according to claim 1 based on master slave mode, which is characterized in that described
Include: according to the step of operational mode transmission touch data
Step 201 judges whether current system is host mode, is that touch data is sent to host and is parsed, otherwise
Into in next step；
Step 202 judges whether current interactive interface has been superimposed the child window of host application program, is then to enter in next step, no
Then follow the steps 204；
Step 203 judges whether touch area is located in the child window, is to then follow the steps 205, no to then follow the steps 204；
Touch data is sent to slave and parses by step 204.
Touch data is transmitted to aster Resolution by slave by step 205.
3. the implementation method of the inter-vehicle information system according to claim 1 based on master slave mode, which is characterized in that described
Include: according to the step of audio-video priority and interrupt requests switching audio-video channel
Step 401 obtains the first application program in host front stage operation and the second application program in host running background；
Video channel is switched to the first application program by step 402；
Step 403, the audio priory grade for obtaining first application program and the second application program；
Voice-grade channel is switched to the high channel of the audio priory grade by step 404；
Step 405 obtains audio or/and video breaks request；
Step 406, the priority of the audio or/and video breaks request and first application program, the second application
The audio-video priority height of program；
Voice-grade channel is switched to the highest application program of audio priory grade by step 407, and video channel is switched to video priority
The highest application program of grade.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254497.2A CN110072148B (en) | 2016-09-30 | 2016-09-30 | Method for implementing vehicle-mounted information system based on master-slave mode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910254497.2A CN110072148B (en) | 2016-09-30 | 2016-09-30 | Method for implementing vehicle-mounted information system based on master-slave mode |
| CN201610875743.2A CN106358084A (en) | 2016-09-30 | 2016-09-30 | Vehicle-mounted information system based on master-slave mode and implementation method thereof |
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| CN201610875743.2A Division CN106358084A (en) | 2016-09-30 | 2016-09-30 | Vehicle-mounted information system based on master-slave mode and implementation method thereof |
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| CN110072148A true CN110072148A (en) | 2019-07-30 |
| CN110072148B CN110072148B (en) | 2022-07-26 |
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| CN201610875743.2A Pending CN106358084A (en) | 2016-09-30 | 2016-09-30 | Vehicle-mounted information system based on master-slave mode and implementation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113326070A (en) * | 2021-05-11 | 2021-08-31 | 广州小鹏智慧出行科技有限公司 | Meter display method, vehicle and computer readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111114469B (en) * | 2019-12-31 | 2021-07-06 | 长城汽车股份有限公司 | Reversing image starting method and system and vehicle |
| CN115871560A (en) * | 2023-01-29 | 2023-03-31 | 蔚来汽车科技(安徽)有限公司 | Reverse image display method, control device, vehicle and computer storage medium |
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| US20020054088A1 (en) * | 1999-05-28 | 2002-05-09 | Erkki Tanskanen | Real-time, interactive and personalized video services |
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| CN102169329A (en) * | 2011-04-29 | 2011-08-31 | 深圳市大富科技股份有限公司 | Vehicle-mounted information terminal and control method thereof |
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| CN102169390B (en) * | 2011-04-29 | 2013-03-20 | 深圳市大富科技股份有限公司 | Information terminal and touch control method thereof |
| CN202120160U (en) * | 2011-04-29 | 2012-01-18 | 深圳市大富科技股份有限公司 | Vehicle-mounted information terminal |
| CN103763168A (en) * | 2013-12-30 | 2014-04-30 | 深圳市航盛电子股份有限公司 | Method for isolating vehicle-mounted control system from media entertainment system |
| US9688283B2 (en) * | 2014-02-25 | 2017-06-27 | Cartasite, Llc | Enhanced driver and vehicle performance and analysis |
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- 2016-09-30 CN CN201610875743.2A patent/CN106358084A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020054088A1 (en) * | 1999-05-28 | 2002-05-09 | Erkki Tanskanen | Real-time, interactive and personalized video services |
| CN102114811A (en) * | 2010-01-04 | 2011-07-06 | 上海通用汽车有限公司 | Vehicle-mounted navigation system, support used on same and control method of same |
| CN102169329A (en) * | 2011-04-29 | 2011-08-31 | 深圳市大富科技股份有限公司 | Vehicle-mounted information terminal and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113326070A (en) * | 2021-05-11 | 2021-08-31 | 广州小鹏智慧出行科技有限公司 | Meter display method, vehicle and computer readable storage medium |
Also Published As
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| CN106358084A (en) | 2017-01-25 |
| CN110072148B (en) | 2022-07-26 |
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