CN107832028A - Multi-screen display system and method - Google Patents
Multi-screen display system and method Download PDFInfo
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- CN107832028A CN107832028A CN201710974016.6A CN201710974016A CN107832028A CN 107832028 A CN107832028 A CN 107832028A CN 201710974016 A CN201710974016 A CN 201710974016A CN 107832028 A CN107832028 A CN 107832028A
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- Prior art keywords
- interfaces
- screen
- dpi
- dsi
- central processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
Abstract
It is an object of the invention to provide a kind of Multi-screen display system and method, main screen can be worked independently by the DSI interfaces in the present invention, and pair screen can be worked independently by DSI interfaces, bridging chip, DPI interfaces, so as to realize multihead display.The main screen correspondence system and the secondary screen correspondence system are separate, and when the main screen is closed, the secondary screen can also independent display content.The main screen and the secondary screen are all communicated using the DSI interface and/or DPI interfaces of standard, so being highly susceptible to programming.In addition, the main screen and secondary screen can show boot LOGO simultaneously in start-up phase.User can be perceive intuitively that the start progress of system, lift Consumer's Experience.
Description
Technical field
The present invention relates to computer realm, more particularly to a kind of Multi-screen display system and method.
Background technology
More and more extensive with the application of Android system, an independent screen can not meet the needs of each field, some
Field needs support of two screens even more than screen.
The content of the invention
It is an object of the present invention to provide a kind of Multi-screen display system and method, can solve the problem that an independent screen can not
The problem of meeting user's request.
According to an aspect of the invention, there is provided a kind of Multi-screen display system, the system includes：
Central processing unit；
At least one main screen, the main screen are connected by the first DSI interfaces with the central processing unit；
Bridging chip, the bridging chip are connected by the 2nd DSI interfaces with the central processing unit；
At least one secondary screen, the secondary screen are connected by DPI interfaces with the bridging chip.
Further, in said system, the secondary screen is EPD screens.
Further, in said system, the main screen, for by the first DSI interfaces from the central processing unit
The first image information is obtained, and is shown；
The secondary screen, for passing sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces from the central processing
Device obtains the second image information, and is shown.
Further, in said system, the main screen, for by the first DSI interfaces from the central processing unit
Boot LOGO data are obtained, and are shown；
The secondary screen, for passing sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces from the central processing
Device obtains boot LOGO data, and is shown.
Further, in said system, the bridging chip, for by the 2nd DSI interfaces from the central processing unit
The boot LOGO data of array formats are obtained, the boot LOGO data of the array formats are converted into the start of DPI forms
LOGO data；
The secondary screen, for the boot LOGO data of DPI forms to be received from the bridging chip by the DPI interfaces,
And shown.
According to another aspect of the present invention, a kind of multi-display method is additionally provided, this method includes：
Central processing unit is set；
At least one main screen is set, and the main screen is connected by the first DSI interfaces with the central processing unit；
Bridging chip is set, and the bridging chip is connected by the 2nd DSI interfaces with the central processing unit；
At least one secondary screen is set, and the secondary screen is connected by DPI interfaces with the bridging chip.
Further, in the above method, the secondary screen is EPD screens.
Further, in the above method, in addition to：
The main screen obtains the first image information by the first DSI interfaces from the central processing unit, and is shown
Show；
The secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces and obtained from the central processing unit
Second image information, and shown.
Further, in the above method, in addition to：
The main screen obtains boot LOGO data by the first DSI interfaces from the central processing unit, and is shown
Show；
The secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces and obtained from the central processing unit
Boot LOGO data, and shown.
Further, in the above method, the secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces
Boot LOGO data are obtained from the central processing unit, and carry out display to include：
The bridging chip obtains the boot LOGO number of array formats by the 2nd DSI interfaces from the central processing unit
According to the boot LOGO data of the array formats to be converted to the boot LOGO data of DPI forms；
The secondary screen receives the boot LOGO data of DPI forms by the DPI interfaces from the bridging chip, and carries out
Display.
Compared with prior art, main screen can be worked independently by the DSI interfaces in the present invention, and pair screen can pass through
DSI interfaces, bridging chip, DPI interfaces work independently, so as to realize multihead display.The main screen correspondence system and the secondary screen
Correspondence system is separate, and when the main screen is closed, the secondary screen can also independent display content.The main screen
All communicated with the secondary screen using the DSI interface and/or DPI interfaces of standard, so being highly susceptible to programming.It is in addition, described
Main screen and secondary screen can show boot LOGO simultaneously in start-up phase.User can be perceive intuitively that the start progress of system,
Lift Consumer's Experience.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 shows the schematic diagram of the Multi-screen display system of one embodiment of the invention；
Fig. 2 shows the flow chart of the secondary screen boot LOGO of the display of one embodiment of the invention.
Same or analogous reference represents same or analogous part in accompanying drawing.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
In one typical configuration of the application, terminal, the equipment of service network and trusted party include one or more
Processor (CPU), input/output interface, network interface and internal memory.
Internal memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (flash RAM).Internal memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase transition internal memory (PRAM), static RAM (SRAM), moved
State random access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electric erasable
Programmable read only memory (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM),
Digital versatile disc (DVD) or other optical storages, magnetic cassette tape, magnetic disk storage or other magnetic storage apparatus or
Any other non-transmission medium, the information that can be accessed by a computing device available for storage.Defined according to herein, computer
Computer-readable recording medium does not include non-temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
The present invention provides a kind of Multi-screen display system, including：
Central processing unit (CPU)；
At least one main screen, the main screen are connected by the first DSI interfaces with the central processing unit；
Bridging chip, the bridging chip are connected by the 2nd DSI interfaces with the central processing unit；
At least one secondary screen, the secondary screen are connected by DPI interfaces with the bridging chip.
Specifically, Fig. 1 shows a kind of system schematic for shuangping san according to the application one side, wherein,
The system includes CPU1, main screen 2, secondary screen 3, DSI interfaces 4 and DPI interfaces 5, bridging chip 6, the DSI interfaces 4 and connects described
Main screen 2 and the bridging chip 6；The DPI interfaces 5 connect the secondary screen 3.The main screen 2 can be based on peace with the secondary screen 3
Tall and erect system.
In the present embodiment, the main screen 2 can be worked independently by the DSI interfaces 4, and the secondary screen 3 can pass through institute
State DSI interfaces 4, the bridging chip 6, the DPI interfaces 5 to work independently, so as to realize multihead display.The correspondence of main screen 2
System and 3 correspondence systems of the secondary screen are separate, and when the main screen 2 is closed, the secondary screen 3 can also be independent
Display content.The main screen 2 and the secondary screen 3 are all communicated using the DSI interface and/or DPI interfaces of standard, so very
It is easily programmed.
In the embodiment of Multi-screen display system one of the present invention, the secondary screen is EPD screens.
Here, the secondary screen of the application is EPD screens, there is good protective effect to eyes, can apply to learning machine, e-book
Etc. scene.
EPD screens, can be immediately powered-down after the picture of a page has been shown due to its characteristic, so as to reach
Reduce the purpose of power consumption；EPD screens are being shown as e-book in use, the paper that can match in excellence or beauty, to eyes fanout free region.
In the embodiment of Multi-screen display system one of the present invention, the main screen, for by the first DSI interfaces from described
Central processing unit obtains the first image information, and is shown；
The secondary screen, for passing sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces from the central processing
Device obtains the second image information, and is shown.
Here, as shown in figure 1, the main screen 2, is displayed for the first image information；The secondary screen 3, can be used for
Show the second image information.The bridging chip 6 by the way that the data of DSI interfaces 4 are converted into the data of DPI interfaces 5, and
It is transmitted to the secondary screen 3.
After system electrification, the secondary screen 3 can show the same content of the main screen 2, can also show with it is described
The different content of main screen 2.
In the embodiment of Multi-screen display system one of the present invention, the main screen, for by the first DSI interfaces from described
Central processing unit obtains boot LOGO data, and is shown；
The secondary screen, for passing sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces from the central processing
Device obtains boot LOGO data, and is shown.
Here, the main screen and secondary screen can show boot LOGO simultaneously in start-up phase.User can intuitively experience
To the start progress of system, Consumer's Experience is lifted.
In the embodiment of Multi-screen display system one of the present invention, the bridging chip, for by the 2nd DSI interfaces from described
Central processing unit obtains the boot LOGO data of array formats, and the boot LOGO data of the array formats are converted into DPI lattice
The boot LOGO data of formula；
The secondary screen, for the boot LOGO data of DPI forms to be received from the bridging chip by the DPI interfaces,
And shown.
Here, system uses DSI interfaces, pair screen uses DPI interfaces, and system can not call corresponding storehouse pair in the kernel stage
Display data processes, therefore needs to use the data of given array formats.
In start process, given array data is converted into the data of DPI forms by bridging chip, is transferred to secondary screen, i.e.,
Secondary screen can be achieved and show boot LOGO.
According to the another side of the application, a kind of multi-display method is also provided, this method includes：
Central processing unit is set；
At least one main screen is set, and the main screen is connected by the first DSI interfaces with the central processing unit；
Bridging chip is set, and the bridging chip is connected by the 2nd DSI interfaces with the central processing unit；
At least one secondary screen is set, and the secondary screen is connected by DPI interfaces with the bridging chip.
Specifically, Fig. 1 shows a kind of system schematic for shuangping san according to the application one side, wherein,
The system includes CPU1, main screen 2, secondary screen 3, DSI interfaces 4 and DPI interfaces 5, bridging chip 6, the DSI interfaces 4 and connects described
Main screen 2 and the bridging chip 6；The DPI interfaces 5 connect the secondary screen 3.The main screen 2 can be based on peace with the secondary screen 3
Tall and erect system.
In the present embodiment, the main screen 2 can be worked independently by the DSI interfaces 4, and the secondary screen 3 can pass through institute
State DSI interfaces 4, the bridging chip 6, the DPI interfaces 5 to work independently, so as to realize multihead display.The correspondence of main screen 2
System and 3 correspondence systems of the secondary screen are separate, and when the main screen 2 is closed, the secondary screen 3 can also be independent
Display content.The main screen 2 and the secondary screen 3 are all communicated using the DSI interface and/or DPI interfaces of standard, so very
It is easily programmed.
In the embodiment of multi-display method one of the present invention, the secondary screen is EPD screens.
Here, the secondary screen of the application is EPD screens, there is good protective effect to eyes, can apply to learning machine, e-book
Etc. scene.
EPD screens, can be immediately powered-down after the picture of a page has been shown due to its characteristic, so as to reach
Reduce the purpose of power consumption；EPD screens are being shown as e-book in use, the paper that can match in excellence or beauty, to eyes fanout free region.
In the embodiment of multi-display method one of the present invention, in addition to：
The main screen obtains the first image information by the first DSI interfaces from the central processing unit, and is shown
Show；
The secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces and obtained from the central processing unit
Second image information, and shown.
Here, as shown in figure 1, the main screen 2, is displayed for the first image information；The secondary screen 3, can be used for
Show the second image information.The bridging chip 6 by the way that the data of DSI interfaces 4 are converted into the data of DPI interfaces 5, and
It is transmitted to the secondary screen 3.
After system electrification, the secondary screen 3 can show the same content of the main screen 2, can also show with it is described
The different content of main screen 2.
In the embodiment of multi-display method one of the present invention, in addition to：
The main screen obtains boot LOGO data by the first DSI interfaces from the central processing unit, and is shown
Show；
The secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces and obtained from the central processing unit
Boot LOGO data, and shown.
Here, the main screen and secondary screen can show boot LOGO simultaneously in start-up phase.User can intuitively experience
To the start progress of system, Consumer's Experience is lifted.
In the embodiment of multi-display method one of the present invention, the secondary screen pass sequentially through the DPI interfaces, bridging chip and
2nd DSI interfaces obtain boot LOGO data from the central processing unit, and carry out display and include：
The bridging chip obtains the boot LOGO number of array formats by the 2nd DSI interfaces from the central processing unit
According to the boot LOGO data of the array formats to be converted to the boot LOGO data of DPI forms；
The secondary screen receives the boot LOGO data of DPI forms by the DPI interfaces from the bridging chip, and carries out
Display.
Specifically, as shown in Fig. 2 the present embodiment can include step S1, step S2, step S3 and step S4,
In step sl, given boot LOGO is delivered in the FrameBuffer of central processing unit；
In step s 2, the DSI interfaces 4 give the data transfer of DSI forms to the bridging chip 6；
In step s3, DPI formatted datas are delivered to the secondary screen 3 by the bridging chip 6 by the DPI interfaces 5
In, the secondary screen 3 shows given boot LOGO according to the data passed over.
Here, system uses DSI interfaces, pair screen uses DPI interfaces, and system can not call corresponding storehouse pair in the kernel stage
Display data processes, therefore needs to use the data of given array formats.
In start process, given array data is converted into the data of DPI forms by bridging chip, is transferred to secondary screen, i.e.,
Secondary screen can be achieved and show boot LOGO.
In summary, the present invention in main screen can be worked independently by the DSI interfaces, pair screen can by DSI interfaces,
Bridging chip, DPI interfaces work independently, so as to realize multihead display.The main screen correspondence system and the secondary screen correspondence system
Independently of each other, when the main screen is closed, the secondary screen can also independent display content.The main screen and the pair
Screen is all communicated using the DSI interface and/or DPI interfaces of standard, so being highly susceptible to programming.In addition, the main screen and pair
Screen can show boot LOGO simultaneously in start-up phase.User can be perceive intuitively that the start progress of system, lift user
Experience.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application
God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these changes and modification.
It should be noted that the present invention can be carried out in the assembly of software and/or software and hardware, for example, can adopt
With application specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment
In, software program of the invention can realize steps described above or function by computing device.Similarly, it is of the invention
Software program (including related data structure) can be stored in computer readable recording medium storing program for performing, for example, RAM memory,
Magnetically or optically driver or floppy disc and similar devices.In addition, some steps or function of the present invention can employ hardware to realize, example
Such as, coordinate as with processor so as to perform the circuit of each step or function.
In addition, the part of the present invention can be applied to computer program product, such as computer program instructions, when its quilt
When computer performs, by the operation of the computer, the method according to the invention and/or technical scheme can be called or provided.
And the programmed instruction of the method for the present invention is called, it is possibly stored in fixed or moveable recording medium, and/or pass through
Broadcast or the data flow in other signal bearing medias and be transmitted, and/or be stored according to described program instruction operation
In the working storage of computer equipment.Here, including a device according to one embodiment of present invention, the device includes using
Memory in storage computer program instructions and processor for execute program instructions, wherein, when the computer program refers to
When order is by the computing device, method and/or skill of the plant running based on foregoing multiple embodiments according to the present invention are triggered
Art scheme.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.This
Outside, it is clear that the word of " comprising " one is not excluded for other units or step, and odd number is not excluded for plural number.That is stated in device claim is multiple
Unit or device can also be realized by a unit or device by software or hardware.The first, the second grade word is used for table
Show title, and be not offered as any specific order.
Claims (10)
1. a kind of Multi-screen display system, wherein, the system includes：
Central processing unit；
At least one main screen, the main screen are connected by the first DSI interfaces with the central processing unit；
Bridging chip, the bridging chip are connected by the 2nd DSI interfaces with the central processing unit；
At least one secondary screen, the secondary screen are connected by DPI interfaces with the bridging chip.
2. system according to claim 1, wherein, the secondary screen is EPD screens.
3. system according to claim 1, wherein, the main screen, for by the first DSI interfaces from the center
Processor obtains the first image information, and is shown；
The secondary screen, is obtained for passing sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces from the central processing unit
The second image information is taken, and is shown.
4. system according to claim 1, wherein, the main screen, for by the first DSI interfaces from the center
Processor obtains boot LOGO data, and is shown；
The secondary screen, is obtained for passing sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces from the central processing unit
Boot LOGO data are taken, and are shown.
5. system according to claim 4, wherein, the bridging chip, for by the 2nd DSI interfaces from the center
Processor obtains the boot LOGO data of array formats, and the boot LOGO data of the array formats are converted into DPI forms
Boot LOGO data；
The secondary screen, for receiving the boot LOGO data of DPI forms from the bridging chip by the DPI interfaces, goes forward side by side
Row display.
6. a kind of multi-display method, wherein, this method includes：
Central processing unit is set；
At least one main screen is set, and the main screen is connected by the first DSI interfaces with the central processing unit；
Bridging chip is set, and the bridging chip is connected by the 2nd DSI interfaces with the central processing unit；
At least one secondary screen is set, and the secondary screen is connected by DPI interfaces with the bridging chip.
7. according to the method for claim 6, wherein, the secondary screen is EPD screens.
8. the method according to claim 11, wherein, in addition to：
The main screen obtains the first image information by the first DSI interfaces from the central processing unit, and is shown；
The secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces and obtains second from the central processing unit
Image information, and shown.
9. the method according to claim 11, wherein, in addition to：
The main screen obtains boot LOGO data by the first DSI interfaces from the central processing unit, and is shown；
The secondary screen passes sequentially through the DPI interfaces, bridging chip and the 2nd DSI interfaces and obtains start from the central processing unit
LOGO data, and shown.
10. according to the method for claim 9, wherein, the secondary screen passes sequentially through the DPI interfaces, bridging chip and the
Two DSI interfaces obtain boot LOGO data from the central processing unit, and carry out display and include：
The bridging chip obtains the boot LOGO data of array formats by the 2nd DSI interfaces from the central processing unit, will
The boot LOGO data of the array formats are converted to the boot LOGO data of DPI forms；
The secondary screen receives the boot LOGO data of DPI forms by the DPI interfaces from the bridging chip, and is shown
Show.
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| CN201710974016.6A CN107832028A (en) | 2017-10-18 | 2017-10-18 | Multi-screen display system and method |
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| CN201710974016.6A CN107832028A (en) | 2017-10-18 | 2017-10-18 | Multi-screen display system and method |
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| WO2022170852A1 (en) * | 2021-02-09 | 2022-08-18 | 海信视像科技股份有限公司 | Display device and control method therefor |
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