CN103605489A - Multi-display-screen parallel display system and method - Google Patents
Multi-display-screen parallel display system and method Download PDFInfo
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- CN103605489A CN103605489A CN201310526260.8A CN201310526260A CN103605489A CN 103605489 A CN103605489 A CN 103605489A CN 201310526260 A CN201310526260 A CN 201310526260A CN 103605489 A CN103605489 A CN 103605489A
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Abstract
The invention relates to a multi-display-screen parallel display system. Display modules are used for providing display windows for corresponding application programs of the display modules and a system application interface, receiving application program starting requesting information on display touch screens and transmitting the application program starting requesting information to corresponding secondary control modules. The secondary control modules correspond to the display modules in one-to-one correspondence mode, control the corresponding application programs of the display modules and transmit the received application program starting requesting information to a main control module. The main control module starts a new application program in an independent course mode according to the application program starting requesting information and transfers application program course control to the corresponding secondary control module. A stepping control structure is adopted, a user can achieve man-machine interaction on different display touch screens, and use experience is improved.
Description
Technical field
The present invention relates to multidisplay technology, be specifically related to a kind of multi-display parallel display system and method.
Background technology
Along with expanding economy, people's living standard improves constantly, and automobile obtains general application as the vehicles easily.People to automobile except the requirement of secure context, speed aspect, economic aspect is very high, also more and more higher to the requirement of automobile entertainment aspect.As the demand to vehicle entertainment system functional diversities, the demonstration of vehicle-carrying display screen is more clear, and switch speed is faster etc.In car-mounted terminal field, along with the variation of car-mounted terminal function, car-mounted terminal generally needs a plurality of functions to be shown simultaneously, therefore single display screen shows, cannot satisfy the demands of consumers.
In order to meet the demand of consumer to multihead display, multidisplay technology has become a popular research direction.At present, the multidisplay technology of vehicle-mounted terminal system adopts following two kinds of modes conventionally:
1. system adopts a plurality of host hardwares to drive, each host hardware drives and drives respectively a display screen, separate between each display screen, cannot realize mutual between each display screen, simultaneously, adopt host hardware drive with display screen between the corresponding mode hardware cost of demonstration that drives is high one by one, be unfavorable for extensively promoting the use of.
2. adopt a main how auxiliary display mode.A plurality of display screens of system comprise a main display and more than one secondary display screen, and wherein system is mainly carried out display operation by main display, and secondary display screen can only passively show, cannot independently operate, and cannot realize interactive with other screens.As Chinese invention patent " a kind of planning scheme of electronic device of multi-display Concurrent Display " (applying date: 2006-06-09, application number: a kind of parallel scheme and the method for using a plurality of display screens to show of content that 200610027490.X) has proposed different application or a plurality of parallel outputs of same application program.The basic systemic-function that wherein user can provide by main display operating terminal, and the application program on startup time display screen, for inferior display screen, user can only operate the window interface of its demonstration, cannot start basic systemic-function that terminal provides and the application program on display screen thereof, in addition, inferior display screen also cannot start the application program of other display screens.System interaction performance is poor, affects user and experiences.
Summary of the invention
The object of the invention is to overcome shortcomings and deficiencies of the prior art, a kind of multi-display parallel display system is provided, adopt the structure of step control, each touch display screen can carry out man-machine interaction separately.
Object of the present invention is achieved through the following technical solutions: a kind of multi-display parallel display system, it is characterized in that, and comprising:
Display module, the application interface that is respectively its corresponding application program and system provides display window, receives the startup application requests information on its corresponding touch display screen, and will start application requests communication to corresponding secondary control module;
Secondary control module, corresponding one by one with display module respectively, control its corresponding application program, and by received startup application requests communication to main control module;
Main control module, starts new application program according to starting application requests information in detached process mode, and the control of program process is transferred to corresponding secondary control module.
As preferably, described display module also receives the application program controlling information on its corresponding touch display screen, and will start application requests communication to corresponding secondary control module; Described secondary control module is controlled corresponding application program according to received application program controlling information.
As preferably, described display module also receives the system-level solicited message on its corresponding touch display screen, and by system-level request message transmission to corresponding secondary control module; Described secondary control module is by received system-level request message transmission to main control module, and described main control module produces corresponding system level steering order according to system-level solicited message.
As preferably, described display module comprises driver and display window object, described driver is configured and drives its corresponding display screen hardware, receive the user's operation information on its corresponding touch display screen, and transfer to its corresponding display window object, described display window object provides display window for corresponding application program shows, and user's operation information is transferred to secondary control module, described user's operation information comprises startup application requests information, application program controlling information and system-level solicited message.
As preferably, described main control module is transferred to the control of program process to send the secondary control module that starts application requests information.
As preferably, described display frame is configured each display screen according to program process and shows output.
Another object of the present invention is to provide a kind of multi-display parallel display method, it is characterized in that, comprise the following steps:
A. the application interface that display module is respectively its corresponding application program and system provides display window, receives the startup application requests information on its corresponding touch display screen, and will start application requests communication to corresponding secondary control module;
B. corresponding one by one with display module respectively, control its corresponding application program, and by received startup application requests communication to main control module;
C. main control module starts new application program according to starting application requests information in detached process mode, and the control of program process is transferred to corresponding secondary control module.
As preferably, described display module also receives the application program controlling information on its corresponding touch display screen, and by the extremely corresponding secondary control module of application program controlling communication, described secondary control module is controlled corresponding application program according to received application program controlling information.
As preferably, described display module also receives the system-level solicited message on its corresponding touch display screen, and by the extremely corresponding secondary control module of system-level request message transmission, described secondary control module is by received system-level request message transmission to main control module, and described main control module produces corresponding system level steering order according to system-level solicited message.
As preferably, described main control module is transferred to the control of program process to send the secondary control module that starts application requests information.
The present invention comprises following advantage and beneficial effect compared to existing technology:
(1) application interface that is respectively its corresponding application program and system by display module provides display window, receive the startup application requests information on its corresponding touch display screen, and will start application requests communication to corresponding secondary control module; Secondary control module is corresponding one by one with display module respectively, controls its corresponding application program, and by received startup application requests communication to main control module; Main control module starts new application program according to starting application requests information in detached process mode, and the control of program process is transferred to corresponding secondary control module, adopt the structure of step control, user can realize man-machine interaction simultaneously on different demonstration touch-screens, improve user and experience, and multi-process of the present invention operation framework can make full use of the hardware performance of multi-core CPU.
(2) described secondary control module can respond the system-level steering order of main control module, realize interaction and information sharing between each touch display screen, adopt a plurality of host hardwares to drive with system in prior art, each host hardware drives and drives respectively a display screen, separate between each display screen, the mutual technical scheme that cannot realize between each display screen is compared, and each touch display screen interaction capabilities of native system is strong, and native system implementation cost is low, is beneficial to and promotes and application.
(3) each secondary control module is carried out collaborative work according to the system-level steering order of main control module and other secondary module, control module as secondary in each can jointly intactly show same application or respectively same application be shown according to the system-level steering order of main control module, embodies the unitarity of system.
Accompanying drawing explanation
Fig. 1 is the theory diagram of multi-display parallel display system in embodiment;
Fig. 2 is the process flow diagram of multi-display parallel display method in embodiment.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
A kind of multi-display parallel display system provided by the invention is particularly useful for the car-mounted terminal based on QNX system.The car-mounted terminal that the present embodiment be take based on QNX system is described as example.
As shown in Figure 1, a kind of multi-display parallel display system, comprising: main control module, secondary control module, display frame and with secondary control module display module one to one.
The application interface that described display module is respectively its corresponding application program and system provides display window, receives the user's operation information on its corresponding touch display screen, and user's operation information is transferred to secondary control module.Described display module comprises driver and the display window object generating by QNX Screen Framework, described driver is configured and drives its corresponding display screen hardware, receive the user's operation information on its corresponding touch display screen, and transfer to its corresponding display window object, described display window object provides display window for corresponding application program shows, when application program is moved on certain display module, this application program is plotted in the display interface of self on corresponding display window, display window is responsible for the final demonstration of picture on touch display screen and is refreshed, and user's operation information is transferred to secondary control module.Described user's operation information comprises application program launching solicited message, application program controlling information and system-level solicited message.Described system-level solicited message is the solicited message that needs the common response of each module of system, as shutdown system solicited message, each touch display screen show respectively same application solicited message, each touch display screen, jointly shows same application solicited message etc.
Described main control module is the kernel control module of whole system, is responsible for establishment, the Control and Schedule of other software modules, and the resource of whole system is distributed and managed.When described display module receives the application program launching solicited message on touch display screen, display module by application program launching request message transmission to secondary control module, secondary control module by application program launching request message transmission to main control module, main control module starts new application program according to received application program launching solicited message in detached process mode, and the control of program process is transferred to corresponding secondary control module.The structure that adopts step control, user can start identical or not identical application program on different touch display screens.
User can select corresponding secondary control module when the request of touch display screen operation start application program launching, or by secondary control module corresponding to the pre-configured application program of system, main control module is transferred to the control of program process to send the secondary control module that starts application requests information in the present embodiment.
When display module receives the system-level solicited message on its corresponding touch display screen, display module is the secondary control module to correspondence by system-level request message transmission, secondary control module is by received system-level request message transmission to main control module, and main control module produces corresponding system level steering order according to system-level solicited message.As showing respectively same application steering order, each touch display screen, shutdown system steering order, each touch display screen jointly show same application steering order etc.
Secondary control module is corresponding one by one with display module respectively, receive the user's operation information of its corresponding display module, according to the application program controlling information in user's operation information, control corresponding application program, application program launching solicited message and system-level request message transmission, to main control module, and are responded to the system-level steering order of main control module.The system-level steering order of each secondary control module response main control module, realizes interaction and information sharing between each touch display screen.Each secondary control module is carried out collaborative work according to the system-level steering order of main control module and other secondary module, control module as secondary in each can jointly intactly show same application or respectively same application be shown according to the system-level steering order of main control module, embodies the unitarity of system.
Display frame is the display frame (QNX Screen Framework) that QNX system provides, and this display frame support is configured a plurality of display screens and shows output, specifically according to program process, each display screen is configured and shows output.
Program process is that main control module is the detached process that application program creates, and program process only responds the instruction of its corresponding secondary control module and the process steering order that corresponding display module receives thereof.
As shown in Figure 2, according to the multi-display parallel display method of above-mentioned multi-display parallel display system, realize interactive process as follows:
The application interface that S101 display module is respectively its corresponding application program and system provides display window, and wait for the user's operation information of its corresponding touch display screen, described user's operation information comprises application program launching solicited message, application program controlling information and system-level solicited message.
S102 display module receives the user's operation information of its corresponding touch display screen, and user's operation information is transferred to corresponding secondary control module.
Whether the user's operation information that the judgement of S103 level control module receives is application program operation information, if perform step S104, otherwise execution step S105.
S104 time level control module is controlled its corresponding application program according to received application program operation information, and returns to step S101.
S105 time level control module is sent to main control module by received user's operation information.
Whether S106 master control module judges user's operation information is to start application requests information, if so, performs step S107, otherwise carries out S110.
S107 main control module starts new application program in detached process mode, and the control of application program detached process is moved to corresponding secondary control module, specifically the control of application program detached process is moved to and send the secondary control mould that starts application requests information.
The corresponding secondary control module of S108 is distributed to this application program by corresponding display window.
This application program of S109 shows drafting at corresponding display window, and returns to step S101.
S110 main control module produces system-level steering order according to the system-level solicited message in user's operation information, and according to system-level steering order, controls corresponding module and carry out corresponding operating, returns to step S101.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. a multi-display parallel display system, is characterized in that, comprising:
Display module, the application interface that is respectively its corresponding application program and system provides display window, receives the startup application requests information on its corresponding touch display screen, and will start application requests communication to corresponding secondary control module;
Secondary control module, corresponding one by one with display module respectively, control its corresponding application program, and by received startup application requests communication to main control module;
Main control module, starts new application program according to starting application requests information in detached process mode, and the control of program process is transferred to corresponding secondary control module.
2. multi-display parallel display system according to claim 1, is characterized in that: described display module also receives the application program controlling information on touch display screen, and will start application requests communication to corresponding secondary control module; Described secondary control module is controlled corresponding application program according to received application program controlling information.
3. multi-display parallel display system according to claim 1, is characterized in that: described display module also receives the system-level solicited message on touch display screen, and by the extremely corresponding secondary control module of system-level request message transmission; Described secondary control module is by received system-level request message transmission to main control module, and described main control module produces corresponding system level steering order according to system-level solicited message.
4. multi-display parallel display system according to claim 3, it is characterized in that: described display module comprises driver and display window object, described driver is configured and drives its corresponding display screen hardware, receive the user's operation information on touch display screen, and transfer to its corresponding display window object, described display window object provides display window for corresponding application program shows, and user's operation information is transferred to secondary control module, described user's operation information comprises the application requests information that starts, application program controlling information and system-level solicited message.
5. according to the multi-display parallel display system described in claim 1 to 4 any one, it is characterized in that: main control module is transferred to the control of program process to send the secondary control module that starts application requests information.
6. multi-display parallel display system according to claim 5, is characterized in that: also comprise display frame, according to program process, each display screen be configured and show output.
7. a multi-display parallel display method, is characterized in that, comprises the following steps:
A. the application interface that display module is respectively its corresponding application program and system provides display window, receives the startup application requests information on its corresponding touch display screen, and will start application requests communication to corresponding secondary control module;
B. corresponding one by one with display module respectively, control its corresponding application program, and by received startup application requests communication to main control module;
C. main control module starts new application program according to starting application requests information in detached process mode, and the control of program process is transferred to corresponding secondary control module.
8. multi-display parallel display method according to claim 7, it is characterized in that: described display module also receives the application program controlling information on touch display screen, and by the extremely corresponding secondary control module of application program controlling communication, described secondary control module is controlled corresponding application program according to received application program controlling information.
9. multi-display parallel display method according to claim 7, it is characterized in that: described display module also receives the system-level solicited message on touch display screen, and by the extremely corresponding secondary control module of system-level request message transmission, described secondary control module is by received system-level request message transmission to main control module, and described main control module produces corresponding system level steering order according to system-level solicited message.
10. according to the multi-display parallel display method described in claim 7 to 9 any one, it is characterized in that: described main control module is transferred to the control of program process to send the secondary control module that starts application requests information.
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| CN104199681A (en) * | 2014-08-04 | 2014-12-10 | 惠州华阳通用电子有限公司 | Method for achieving live wallpaper on basis of QNX platform |
| CN105868001A (en) * | 2015-01-21 | 2016-08-17 | 中国移动通信集团公司 | Multi-screen interaction operation realization method, equipment and system |
| CN106897002A (en) * | 2017-01-22 | 2017-06-27 | 武汉天喻教育科技有限公司 | Double screens control system and control method under a kind of mode of extension based on WPF |
| CN107323263A (en) * | 2017-03-31 | 2017-11-07 | 斑马信息科技有限公司 | Screen display method and vehicle-mounted central control system for vehicle |
| WO2020140896A1 (en) * | 2019-01-04 | 2020-07-09 | Byton Limited | Integrated functionality of center display, driver display, and shared-experience display |
| US10860208B2 (en) | 2019-01-04 | 2020-12-08 | Byton Limited | Multi-window display controller |
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| WO2020140896A1 (en) * | 2019-01-04 | 2020-07-09 | Byton Limited | Integrated functionality of center display, driver display, and shared-experience display |
| US10860208B2 (en) | 2019-01-04 | 2020-12-08 | Byton Limited | Multi-window display controller |
| US11042341B2 (en) | 2019-01-04 | 2021-06-22 | Byton North America Corporation | Integrated functionality of center display, driver display, and shared-experience display |
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