CN105786424B - The method that the quick split screen display available of the single-screen of embedded system solves - Google Patents
The method that the quick split screen display available of the single-screen of embedded system solves Download PDFInfo
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- CN105786424B CN105786424B CN201510977906.3A CN201510977906A CN105786424B CN 105786424 B CN105786424 B CN 105786424B CN 201510977906 A CN201510977906 A CN 201510977906A CN 105786424 B CN105786424 B CN 105786424B
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Abstract
A kind of method that the quick split screen display available of the single-screen of embedded system solves, this is to meet the operation interface for needing to rapidly enter application program after being switched on, and accomplish the method for split screen display available on the same screen, a part of screen is controlled by the application module of embedded OS, as the application module of Android system is responsible for, another part is controlled by the functional module based on operating system nucleus, such as Linux Kernel operating system, realize the effect that two regions can be shown simultaneously, and accomplish display and touch operation is mutually isolated, the functional module of kernel based on operating system can be shown at once after kernel starting, it goes and shows again after the application module starting for withouting waiting for embedded OS.
Description
Technical field
The invention belongs to field of embedded technology, and in particular to a kind of quick split screen display available solution of the single-screen of embedded system
Method certainly.
Background technique
Bootloader is the first segment code that embedded system executes after power, in its completion CPU and related hardware
Initialization and then kernel by operating system, especially Linux Kernel, which is loaded into memory, then branches to operation
Space where system, the operation of start-up operation system.After the kernel starting of operating system finishes, guidance init process can be opened
The system service of dynamic embedded OS, guiding starting of embedded operation system.
1) interface of embedded OS is shown, especially android is shown
The interface for showing embedded OS, if the interface of android is the kernel by operating system, such as Linux
Video drive (Video Driver) display of Kernel, i.e., as Linux Kernel is written in image by Android system
Device file ("/dev/graphics/fbx ", x are number), image is shown on the home screen.
2)Hardware Overlay
Hardware Overlay function is a kind of function that video drive provides.Video driver can provide corresponding equipment
File.Picture is written to this device file by application program, and picture meeting Overlapping display is on the home screen.The superposition of picture is by regarding
Frequency driving operation is completed, and is needed not move through the processing of central processing unit (CPU), is not consumed cpu resource.And with key frame
Display is independent from each other, and does not need picture synchronization refreshing.
Through retrieving, Chinese Patent Application No. 201210480625.3, the applying date is on November 12nd, 2012, innovation and creation name
Referred to as：The method of the vehicle-mounted android operating system of quick start when supporting to move backward, this scheme are based on U-boot and Linux
The display application program of Kernel can only be continuously display in some stage, cannot continue to show after android starting, and
It is only able to display reverse image, does not support touch operation, not can control other mobile units.The display meeting of Android system itself
Influence the reality of video, it may appear that refresh nonsynchronous phenomenon.
Chinese Patent Application No. 201210237481.9, the applying date are on July 11st, 2012, and invention and created name is：One
Method that kind vehicle-mounted Android platform accelerates back-up video to show the time, this scheme, which can only control, to be in standby
Android equipment is not available the equipment just powered on then.If equipment just powers on, need that Android system is waited to start
After could use, poor user experience.Equipment still power consumption in standby mode, will affect the service life of automobile batteries.
Current embedded OS, especially Android system are answered in the prevalence of slow disadvantage is started certain
With in occasion, such as vehicle-mounted computer, excessively slow starting speed can seriously reduce user experience.But due to Android system sheet
The limitation of body is opened even if still needing 15 seconds even more starting time in the extraordinary situation of hardware condition at this
In the dynamic time, user can not operate computer control air-conditioning or other equipment.And this problem is for quite a long time
It is inside still insurmountable, limits embedded OS, such as application of the Android system on vehicle-mounted computer.
Summary of the invention
It is an object of the invention to provide the methods that a kind of quick split screen display available of the single-screen of embedded system solves, in order to meet
It needs to rapidly enter the operation interface of application program after being switched on, and accomplishes the method for split screen display available, screen on the same screen
A part controlled by the application module of embedded OS, if Android system application module be responsible for, another portion
Divide and controlled by the kernel based on operating system, is such as controlled by Linux Kernel, that is, realizing two regions can be simultaneously
The effect of display, and accomplished display and touch operation is mutually isolated, the functional module of the kernel based on operating system can be with
It is shown at once after kernel starting, withouts waiting for row display again after the application module starting of embedded OS.
A kind of quick split screen of the single-screen of embedded system is aobvious in order to overcome the deficiencies in the prior art, the present invention provides
Show the solution of the method for solution, it is specific as follows：
A kind of method that the quick split screen display available of the single-screen of embedded system solves, steps are as follows：
Step 1：It is provided in split screen module and enhanced in the mobile terminal with embedded OS first
Core component, the inner core component of the enhanced constitute a part of the kernel of operating system, then start mobile terminal, and
And two device files, respectively the first device file and the second device file are constructed in the terminal in advance, it is described
The interface that first device file is to provide to show embedded OS；Second device file is to provide to show
The interface of split screen module, first device file includes the screen resolution, coordinate, Pixel Information of mobile terminal；Institute
The second device file stated includes the resolution ratio in the region of screen required for split screen module, coordinate, Pixel Information；
Step 2：When starting mobile terminal, BootLoader is triggered, BootLoader is loaded into the kernel of operating system
It is run in memory, while the kernel of operating system is loaded into embedded OS and the operation of split screen module；
Step 3：The kernel of operating system is divided with synchronous or parallel form operation split screen module and enhanced inner core component
The information of the application program of split screen display available required for panel module is read in, the information of the application program includes the figure of application program
Information, resource state information and hardware information are marked, then the information according to the application program, in conjunction with the second device file
Resolution ratio and pixel as information, enhanced inner core component simultaneously in the coordinate range of the second device file setting for should
The display in the display position of setting to the application program is realized with this in the display position of application program；
Step 4：And embedded OS is also run simultaneously, the embedded OS is just in remaining viewing area
Domain carries out the display to the interface of embedded OS.
The purpose of the present invention is alloing user after device power, without waiting for embedded OS, such as android
System start completely can operation touch-screen, improve user experience, and solve while showing that two pictures introduce brush
New nonsynchronous problem.
Specific embodiment
The present invention provides one kind to be based on embedded OS, and such as Android system has strict demand to the starting time
Scene under, realize system quick start and can operation touch-screen scheme.And schemes all at present all can only be single
Show application program or embedded OS, such as Android system, and the present invention can accomplish to show simultaneously and not do mutually
It disturbs.
Below according to embodiment, further explanation of the contents of the invention are made：
The method that the quick split screen display available of the single-screen of embedded system solves, steps are as follows：
Step 1：It is provided in split screen module and enhanced in the mobile terminal with embedded OS first
Core component, the inner core component of the enhanced constitute a part of the kernel of operating system, then start mobile terminal, and
And two device files, respectively the first device file and the second device file are constructed in the terminal in advance, it is described
The interface that first device file is to provide to show embedded OS；Second device file is to provide to show
The interface of split screen module, first device file includes the screen resolution, coordinate, Pixel Information of mobile terminal；Institute
The second device file stated includes the resolution ratio in the region of screen required for split screen module, coordinate, Pixel Information, herein such as
The embedded OS that fruit uses can obtain the source code of android for Android system by obtaining；And modify it
The default resolution of the source code of Linux Kernel, setting Hardware Overlay is the resolution ratio needed, is thus divided
The resolution ratio in the region of screen required for panel module；
Step 2：When starting mobile terminal, BootLoader is triggered, BootLoader is loaded into the kernel of operating system
It is run in memory, while the kernel of operating system is loaded into embedded OS and the operation of split screen module；
Step 3：The kernel of operating system is divided with synchronous or parallel form operation split screen module and enhanced inner core component
The information of the application program of split screen display available required for panel module is read in, the information of the application program includes the figure of application program
Information, resource state information and hardware information are marked, then the information according to the application program, in conjunction with the second device file
Resolution ratio and pixel as information, enhanced inner core component simultaneously in the coordinate range of the second device file setting for should
The display in the display position of setting to the application program is realized with this in the display position of application program；Thus it just can be carried out
The operation to the application program is carried out in the split screen region.
Step 4：And embedded OS is also run simultaneously, the embedded OS is just in remaining viewing area
Domain carries out the display to the interface of embedded OS.
The embedded OS includes Android system, linux system or other embedded OSs.
The mobile terminal includes smart phone, PDA, tablet computer or vehicle-mounted computer.
The application program includes wechat, QQ or other application programs.
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result：
1) from device power to can be using the time of operation touch-screen as the starting time of kernel, rather than entire embedded behaviour
Make system, such as the starting time of Android system, the waiting time is substantially reduced.
2) application program is shown and embedded OS, as Android system can show picture, touch operation simultaneously
It does not interfere with each other, there has been no schemes, and this effect may be implemented.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
For the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention, according to the technical essence of the invention,
Within the spirit and principles in the present invention, any simple modifications, equivalent substitutions and improvements to the above embodiments etc., still
Belong within the protection scope of technical solution of the present invention.
Claims (4)
1. a kind of method that the quick split screen display available of the single-screen of embedded system solves, which is characterized in that steps are as follows：
Step 1：The kernel structure of split screen module and enhanced is provided in the mobile terminal with embedded OS first
Part, the inner core component of the enhanced constitute a part of the kernel of operating system, then start mobile terminal, and pre-
First construct two device files, respectively the first device file and the second device file in the terminal, described first
The interface that device file is to provide to show embedded OS；Second device file, which is to provide, carrys out split-screen display
The interface of module, first device file includes the screen resolution, coordinate, Pixel Information of mobile terminal；Described
Second device file includes resolution ratio, coordinate, the Pixel Information in the region of screen required for split screen module；
Step 2：When starting mobile terminal, BootLoader is triggered, the kernel of operating system is loaded into memory by BootLoader
Middle operation, while the kernel of operating system is loaded into embedded OS and the operation of split screen module；
Step 3：The kernel of operating system is with synchronous or parallel form operation split screen module and enhanced inner core component, split screen mould
The information of the application program of split screen display available required for block is read in, the information of the application program include the icon letter of application program
Breath, resource state information and hardware information, subsequent enhanced inner core component is according to the information of the application program and the
The resolution ratio of two device files and the information of pixel set for this application in the coordinate range of the second device file
The display in the display position of setting to the application program is realized with this in display position；
Step 4：And embedded OS is also run simultaneously, the embedded OS just remaining display area into
Display of the row to the interface of embedded OS.
2. the method that the quick split screen display available of the single-screen of embedded system according to claim 1 solves, it is characterised in that
The embedded OS includes Android system or LINUX system.
3. the method that the quick split screen display available of the single-screen of embedded system according to claim 1 solves, it is characterised in that
The mobile terminal includes smart phone, PDA, tablet computer or vehicle-mounted computer.
4. the method that the quick split screen display available of the single-screen of embedded system according to claim 1 solves, it is characterised in that
The application program includes wechat or QQ.
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| CN105786424B true CN105786424B (en) | 2018-11-16 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106843831A (en) * | 2016-12-14 | 2017-06-13 | 南京富士通南大软件技术有限公司 | A kind of quick multi-screen display method of single-screen |
| CN108255524A (en) * | 2016-12-28 | 2018-07-06 | 中科创达软件股份有限公司 | A kind of booting Logo display methods, device and embedded device |
| CN108008923A (en) * | 2016-12-29 | 2018-05-08 | 北京车和家信息技术有限责任公司 | Display methods, device, in-vehicle display system and the vehicle of on-vehicle information |
| CN108248509A (en) * | 2018-01-17 | 2018-07-06 | 深圳市路畅科技股份有限公司 | A kind of method, apparatus that reverse image is controlled to show and automatic navigator |
| CN109766144B (en) * | 2019-01-22 | 2021-09-24 | 湖北亿咖通科技有限公司 | Control event response method and device |
| CN112644276B (en) * | 2019-10-12 | 2022-05-03 | 博泰车联网科技(上海)股份有限公司 | Screen display method, vehicle and computer storage medium |
| CN114185508B (en) * | 2022-02-15 | 2022-04-26 | 麒麟软件有限公司 | Method for left-right screen splitting on Linux compatible android system |
| CN114510294B (en) * | 2022-02-18 | 2024-07-23 | 蔚来汽车科技(安徽)有限公司 | Vehicle-mounted fusion display method, system and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493783A (en) * | 2009-02-11 | 2009-07-29 | 魏新成 | Method for integrating two operating system desktops in one computer screen |
| CN104123113A (en) * | 2014-07-31 | 2014-10-29 | 深圳市中兴移动通信有限公司 | Mobile terminal and multi-system split screen display method and device thereof |
| CN104123110A (en) * | 2013-04-26 | 2014-10-29 | 上海赤炫信息科技有限公司 | Android double-screen extraordinary image display method |
| CN104268017A (en) * | 2014-09-19 | 2015-01-07 | 福建升腾资讯有限公司 | Method for simultaneously running Android/Linux operating systems |
| CN104461414A (en) * | 2013-09-16 | 2015-03-25 | 研祥智能科技股份有限公司 | Multi-screen display control terminal and method |
| CN104571979A (en) * | 2013-10-09 | 2015-04-29 | 腾讯科技（深圳）有限公司 | Method and device for realizing split-screen views |
| CN104765623A (en) * | 2014-01-03 | 2015-07-08 | 中兴通讯股份有限公司 | Data processing method of multiple operating systems and terminal equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216772A (en) * | 2013-06-03 | 2014-12-17 | 上海帛茂信息科技有限公司 | Method for electronic equipment supporting multiple windows to control audio frequency corresponding to different windows |
-
2015
- 2015-12-23 CN CN201510977906.3A patent/CN105786424B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101493783A (en) * | 2009-02-11 | 2009-07-29 | 魏新成 | Method for integrating two operating system desktops in one computer screen |
| CN104123110A (en) * | 2013-04-26 | 2014-10-29 | 上海赤炫信息科技有限公司 | Android double-screen extraordinary image display method |
| CN104461414A (en) * | 2013-09-16 | 2015-03-25 | 研祥智能科技股份有限公司 | Multi-screen display control terminal and method |
| CN104571979A (en) * | 2013-10-09 | 2015-04-29 | 腾讯科技（深圳）有限公司 | Method and device for realizing split-screen views |
| CN104765623A (en) * | 2014-01-03 | 2015-07-08 | 中兴通讯股份有限公司 | Data processing method of multiple operating systems and terminal equipment |
| CN104123113A (en) * | 2014-07-31 | 2014-10-29 | 深圳市中兴移动通信有限公司 | Mobile terminal and multi-system split screen display method and device thereof |
| CN104268017A (en) * | 2014-09-19 | 2015-01-07 | 福建升腾资讯有限公司 | Method for simultaneously running Android/Linux operating systems |
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