CN103522961B - A kind of method of quick startup reverse image, system and car machine system - Google Patents
A kind of method of quick startup reverse image, system and car machine system Download PDFInfo
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- CN103522961B CN103522961B CN201310099660.5A CN201310099660A CN103522961B CN 103522961 B CN103522961 B CN 103522961B CN 201310099660 A CN201310099660 A CN 201310099660A CN 103522961 B CN103522961 B CN 103522961B
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Abstract
The present invention discloses a kind of method of quick startup reverse image, system and car machine system, and wherein, described method comprises step: set up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system; When after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detecting Current vehicle simultaneously and whether being in reverse gear state; When detecting that Current vehicle is in reverse gear state, the object of establishment being opened, by the image data transmission of acquisition in the video memory of inner nuclear layer, and showing the reverse image of described view data formation.
Description
Technical field
The present invention relates to car machine system regions, particularly relate to a kind of method of quick startup reverse image, system and car machine system.
Background technology
Along with Eltec is more and more extensive in the application of automotive field, multi-form automobile and engineering products is also come out one after another.At present, the car machine system of android system is increased income owing to having, and comes into vogue gradually.If but only do car machine system with the primal system that Android is current and there is certain drawback: such as system boot is slow, start will bring the place of many inconveniences slowly, such as, just need reversing after automotive ignition, now car machine system there also is not startup to complete, reverse image just cannot normally show, user needs to wait for the longer time, so bring inconvenience to the use of user.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of method of quick startup reverse image, system and car machine system, be intended to solve existing car machine system reverse image when starting and show slow problem.
Technical scheme of the present invention is as follows:
A method for quick startup reverse image, wherein, comprises step:
A, set up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system;
B, when after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detecting Current vehicle simultaneously and whether being in reverse gear state;
C, when detecting that Current vehicle is in reverse gear state, the object of establishment to be opened, by the image data transmission that obtains in the video memory of inner nuclear layer, and showing the reverse image that described view data formed.
The method of described quick startup reverse image, wherein, in described step C, when detecting that Current vehicle is not when being in reverse gear state, start image collecting device by car machine systematic difference layer, and obtain view data and show the reverse image of described view data formation.
The method of described quick startup reverse image, wherein, also comprises step:
D, after car machine system has started, detect that current reverse image is not opened, and when vehicle is in reverse gear state, by the image data transmission that obtains in object in the video memory of inner nuclear layer, and switched the reverse image that display formed to described view data.
The method of described quick startup reverse image, wherein, described car machine system is the operating system based on linux kernel.
A system for quick startup reverse image, wherein, comprising:
Driving arranges module, for setting up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system;
Detection module, for when after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detecting Current vehicle simultaneously and whether being in reverse gear state;
Reverse image display module, for when detecting that Current vehicle is in reverse gear state, opens the object of establishment, by the image data transmission of acquisition in the video memory of inner nuclear layer, and shows the reverse image of described view data formation.
The system of described quick startup reverse image, wherein, also comprises:
Handover module, for after car machine system has started, detect that reverse image is not opened, and when Current vehicle is in reverse gear state, by the image data transmission that obtains in object in the video memory of inner nuclear layer, and switch the reverse image that display formed to described view data.
A kind of car machine system, wherein, described system comprises one for starting the driving of Multimedia Program fast.
Described locomotive system, wherein, described locomotive system is based on the operating system based on linux kernel.
Described locomotive system, wherein, described Multimedia Program comprises audio-visual playing program, reverse image program, watchdog routine.
Described locomotive system, wherein, comprises the system starting reverse image fast as above.
Beneficial effect: the present invention is by arranging the driving being used for starting reverse image fast at the inner nuclear layer of car machine system, car machine system is made only to need to start to inner nuclear layer, namely reverse image is shown fast by this driving, and car machine system started normally work time, reverse image can be switched fast, greatly reduce the time needed for reverse image display, convenient for users to use.
Accompanying drawing explanation
Fig. 1 is the diagram of circuit of method one preferred embodiment of a kind of quick startup reverse image of the present invention.
Fig. 2 is the structured flowchart of system one preferred embodiment of a kind of quick startup reverse image of the present invention.
Detailed description of the invention
The invention provides a kind of method of quick startup reverse image, system and car machine system, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the diagram of circuit that a kind of car machine of the present invention system starts the method preferred embodiment of reverse image fast, and as shown in the figure, it comprises step:
S101, set up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system;
S102, when after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detect Current vehicle simultaneously and whether be in reverse gear state, described object can be the object of operation image;
S103, when detecting that Current vehicle is in reverse gear state, the object of establishment to be opened, by the image data transmission that obtains in the video memory of inner nuclear layer, and showing the reverse image that described view data formed;
S104, when detecting that Current vehicle is not when being in reverse gear state, by car machine systematic difference layer start image collecting device, and obtain view data and show described view data formed reverse image.Described application layer startup refers to user oneself and goes to click unlatching reverse image application program, must could be used by user after system start-up.
In step S101, first arrange a driving at the inner nuclear layer of car machine system, this driving can be used for starting reverse image fast, and it starts reverse image by detecting instant reversing and obtaining view data.
In step s 102, after the inner nuclear layer starting to car machine system, the driving before arranged can create an object by the interface of inner nuclear layer, this object can be used for the view data obtaining image collecting device such as camera collection, also detect Current vehicle simultaneously and whether be in state of rolling backward, namely whether hang reverse gear, be preferably cycle detection Current vehicle herein and whether be in state of rolling backward, so that the status information of Real-time Obtaining Current vehicle.
In step s 103, when detecting that Current vehicle hangs reverse gear, the operation of reverse gear show image will be triggered, thus trigger described driving object is opened, and open a kernel thread, view data in object is input in the video memory of inner nuclear layer, thus shows the reverse image of described view data formation.
In step S104, under after system starts, user does not open reverse image situation, android still adopts the driving starting reverse image fast to start.Situation after if user needs to look out for the car and click in non-reversing situation and open this application of reverse image, be at this time open reverse image by application according to the flow process of android standard to show, at this time reversing behavior occurs, display remains unchanged.If user does not click unlatching reverse image, reversing behavior at this time occurs just needs inner nuclear layer driving to go to show reverse image fast, goes clicking operation (i.e. step S103) without user.
In the present embodiment, because the start-up course of whole reverse image all can trigger by car backing operation at inner nuclear layer, and do not need as traditional Starting mode.After starting to application layer, the control that should be used for of being then correlated with by image collecting device starts reverse image, so the displaying time of reverse image in system starting process reduces greatly, traditional reverse image display method starts bottom successively, inner nuclear layer, java layer and app layer, restart and just show reverse image after image collecting device such as camera app, time needed for it is probably more than 20 seconds, and in the present invention, because webcam driver and newly-increased driving can load after inner nuclear layer starts, so obviously reduce run up time, current test display only needs can start reverse image in 2 seconds.
Detecting that Current vehicle is not when being in reverse gear state, reverse image can be started by traditional mode, namely starting image collecting device by car machine systematic difference layer, and obtain view data and show the reverse image of described view data formation.
Start in car machine system, and in normal vehicle operation process, if when detecting that Current vehicle hangs reverse gear, can by the image data transmission that obtains in object in the video memory of inner nuclear layer, and switch the reverse image of display to described view data formation, this eliminate from bottom to upper strata, again by the complicated invoked procedure of upper strata to bottom, and owing to being be directly switch on physical path to show reverse image, and do not need the app application starting car machine system, so switch speed quickly.
Based on said method, the present invention also provides a kind of system of quick startup reverse image, as shown in Figure 2, comprising:
Driving arranges module 100, for setting up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system;
Detection module 200, for when after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detecting Current vehicle simultaneously and whether being in reverse gear state;
Reverse image display module 300, for when detecting that Current vehicle is in reverse gear state, opens the object of establishment, by the image data transmission of acquisition in the video memory of inner nuclear layer, and shows the reverse image of described view data formation.
Handover module 400, for after car machine system has started, detect that current reverse image is not normally opened, and when Current vehicle is in reverse gear state, fast by the image data transmission that obtains in object in the video memory of inner nuclear layer, and switch the reverse image that display formed to described view data.About the function of above-mentioned module in method above, existingly to describe in detail, therefore repeat no more.
The present invention also provides a kind of car machine system, and described locomotive system such as, based on the operating system of linux kernel, android system, and described system comprises one for starting the driving of Multimedia Program fast.
Described Multimedia Program comprises audio-visual playing program, reverse image program, watchdog routine, the program of the quick startup reverse image that such as the present invention describes.In the present embodiment, by embedding a drive program at the inner nuclear layer of operating system, thus reach the startup effect starting specific Multimedia Program in locomotive system fast.
In sum, the present invention is by arranging the driving being used for starting reverse image fast at the inner nuclear layer of car machine system, car machine system is made only to need to start to inner nuclear layer, namely reverse image is shown fast by this driving, and car machine system started normally work time, reverse image can be switched fast, greatly reduce the time needed for reverse image display, convenient for users to use.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (7)
1. start a method for reverse image fast, it is characterized in that, comprise step:
A, set up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system;
B, when after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detecting Current vehicle simultaneously and whether being in reverse gear state;
C, when detecting that Current vehicle is in reverse gear state, the object of establishment to be opened, by the image data transmission that obtains in the video memory of inner nuclear layer, and showing the reverse image that described view data formed;
Also comprise step:
D, after car machine system has started, detect that current reverse image is not opened, and when vehicle is in reverse gear state, by the image data transmission that obtains in object in the video memory of inner nuclear layer, and switched the reverse image that display formed to described view data.
2. the method for quick startup reverse image according to claim 1, it is characterized in that, in described step C, when detecting that Current vehicle is not when being in reverse gear state, start image collecting device by car machine systematic difference layer, and obtain view data and show the reverse image of described view data formation.
3. the method for quick startup reverse image according to claim 1, is characterized in that, described car machine system is the operating system based on linux kernel.
4. start a system for reverse image fast, it is characterized in that, comprising:
Driving arranges module, for setting up one for starting the driving of reverse image fast at the inner nuclear layer of car machine system;
Detection module, for when after the inner nuclear layer starting car machine system, described driving establishment one object, for obtaining the view data of image acquisition device, detecting Current vehicle simultaneously and whether being in reverse gear state;
Reverse image display module, for when detecting that Current vehicle is in reverse gear state, opens the object of establishment, by the image data transmission of acquisition in the video memory of inner nuclear layer, and shows the reverse image of described view data formation;
Also comprise:
Handover module, for after car machine system has started, detect that reverse image is not opened, and when Current vehicle is in reverse gear state, by the image data transmission that obtains in object in the video memory of inner nuclear layer, and switch the reverse image that display formed to described view data.
5. a car machine system, is characterized in that, described system comprises one for starting the driving of Multimedia Program fast; Comprise the system starting reverse image fast as claimed in claim 4.
6. car machine system as claimed in claim 5, it is characterized in that, described car machine system is based on the operating system of linux kernel.
7. car machine system as claimed in claim 5, it is characterized in that, described Multimedia Program comprises audio-visual playing program, reverse image program, watchdog routine.
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| CN105282510A (en) * | 2015-10-21 | 2016-01-27 | 畅索软件科技（上海）有限公司 | Method and device for starting reverse image |
| CN105635668A (en) * | 2015-12-24 | 2016-06-01 | 东软集团股份有限公司 | Image displaying method and device |
| CN105657369B (en) * | 2016-01-08 | 2018-10-12 | 福州瑞芯微电子股份有限公司 | The video frequency monitoring method and system of quick response based on linux system |
| CN106043124A (en) * | 2016-05-25 | 2016-10-26 | 青岛海信移动通信技术股份有限公司 | Method and device for controlling vehicle backing image display |
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| CN107122240B (en) * | 2017-06-01 | 2021-01-22 | 中科创达软件股份有限公司 | Image display processing method and processing device |
| CN108196909A (en) * | 2017-12-30 | 2018-06-22 | 佛吉亚好帮手电子科技有限公司 | A kind of implementation method based on the reversing of Android onboard system kernel |
| CN108357427A (en) * | 2018-01-02 | 2018-08-03 | 深圳市智行畅联科技有限公司 | A kind of mobile unit and its back-up video display methods and storage medium |
| 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 |
| CN113348110B (en) * | 2019-01-30 | 2024-03-22 | 日立安斯泰莫株式会社 | Electronic control device and security verification method for electronic control device |
| CN110134448A (en) * | 2019-05-17 | 2019-08-16 | 上海航盛实业有限公司 | A kind of method, system, equipment and the storage medium of display reversing monitored picture |
| CN110248227A (en) * | 2019-06-19 | 2019-09-17 | 福州瑞芯微电子股份有限公司 | A kind of efficient image display method and device |
| CN110389792A (en) * | 2019-07-08 | 2019-10-29 | 东软集团股份有限公司 | A kind of program starting method, apparatus, system on chip and storage medium |
| CN111552516B (en) * | 2020-05-19 | 2022-03-29 | 马瑞利汽车电子(广州)有限公司 | Rapid starting method of automobile electronic instrument integrated with backing image module |
| CN115991148B (en) * | 2023-03-21 | 2023-07-04 | 南京芯驰半导体科技有限公司 | Reversing image display system and method based on multi-core heterogeneous SoC |
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