CN109976687A - The display system and method for display screen - Google Patents
The display system and method for display screen Download PDFInfo
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- CN109976687A CN109976687A CN201711462846.7A CN201711462846A CN109976687A CN 109976687 A CN109976687 A CN 109976687A CN 201711462846 A CN201711462846 A CN 201711462846A CN 109976687 A CN109976687 A CN 109976687A
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- parameter file
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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
- G06F3/1415—Digital output to display device ; Cooperation and interconnection of the display device with other functional units with means for detecting differences between the image stored in the host and the images displayed on the displays
Abstract
The present invention relates to a kind of display system of display screen and methods, wherein display methods includes: to obtain screen display parameter file from External memory equipment；Storage is used to indicate the flag information that restarting is shown with the screen display parameter file；After restarting, shown according to the flag information with the screen display parameter file.By the above process, if modifying screen Parameter File, directly modify the content in screen display parameter file, without carrying out remodifying the processes such as code, compiling packaging system software, programming system, the display screen of different resolution can also be adapted to, the time has been saved, exploitation, the debugging progress of product has been accelerated, improves production efficiency.
Description
Technical field
The present invention relates to mobile device technologys, more specifically, it relates to a kind of display system of display screen and side
Method.
Background technique
Android product with LCD display, such as plate, mobile phone, TV, advertisement machine, intelligent photo frame etc., these productions
System software in product mainboard is all merely able to support a kind of LCD screen of resolution ratio.In the start-up course of android system, show
The display needs of display screen obtain corresponding parameter from the system software in mainboard, these parameters are all that fixed be programmed in is
In system software, if the LCD display that mainboard will connect other resolution ratio is shown, it is necessary to remodify code, compile
Packaging system software, then system software is burnt in mainboard.The above process needs to expend for quite a long time, seriously affects production
Exploitation, debugging progress and the production efficiency of product.
Summary of the invention
In view of the deficienciess of the prior art, a kind of display system for being designed to provide display screen of the embodiment of the present invention
And method.
In a first aspect, the embodiment of the present invention provides a kind of display methods of display screen, comprising:
Screen display parameter file is obtained from External memory equipment；
Storage is used to indicate the flag information that restarting is shown with the screen display parameter file；
After restarting, shown according to the flag information with the screen display parameter file.
By using above-mentioned technical proposal, the screen for showing the display screen of different resolution is stored by External memory equipment
Display parameters file, when External memory equipment is connected to mainboard, mainboard reads the screen being stored in External memory equipment and shows
Parameter and storage in Parameter File then store mark corresponding with screen display parameter file into memory in memory
Will information, flag information pass through identification tag information when starting every time afterwards for screen display parameter file to be marked
It can be obtained corresponding screen display parameter file, after mainboard restarting, by reading the mark being stored in memory
Information acquisition screen display parameter file can carry out the display of display screen；By the above process, if to modify screen Parameter File,
The content in screen display parameter file is directly modified, remodifies code, compiling packaging system software, burning without carrying out
The processes such as system can also be adapted to the display screen of different resolution, save the time, accelerate exploitation, the debugging progress of product,
Improve production efficiency.
With reference to first aspect, it in the first mode in the cards, is shown and is joined with the screen according to the flag information
Number file carries out display and specifically includes:
When main board system software recognizes the flag information, successively with the screen display parameter corresponding to different phase into
The display in row System guides stage, kernel stage, system stages.
By using above-mentioned technical proposal, pass through the data in System guides stage, kernel stage and system stages each stage
It reads and shows process, realize the display of display screen.
The first mode in the cards with reference to first aspect, in second of mode in the cards, the system is drawn
Leading the stage, detailed process is as follows: the U-Boot of main board system software is read in the memory of mainboard to be believed with the presence or absence of the mark
Breath reads screen parameter from the memory of mainboard and is used for if the U-Boot of main board system software reads the flag information
Otherwise the display in U-Boot stage reads the display that screen parameter is used for the U-Boot stage from the system configuration of mainboard；
The kernel stage, detailed process is as follows: the kernel of main board system software is read in the memory of mainboard with the presence or absence of described
Flag information reads screen parameter if the kernel of main board system software reads the flag information from the memory of mainboard
For the display in kernel stage, the display that screen parameter is used for the kernel stage otherwise is read from the system configuration of mainboard；
Detailed process is as follows for the system stages: whether there is in the memory of the system upper layer reading mainboard of main board system software
The flag information is read from the memory of mainboard if the system upper layer of main board system software reads the flag information
It takes the DPI value in the screen display parameter to be used for the display of display screen, otherwise reads DPI value for showing from the system configuration of mainboard
The display of display screen.
By using above-mentioned technical proposal, the file in memory and system configuration by identifying mainboard respectively, so that
Shield parameter and shows that the modification of file has more flexibility.
Second of mode in the cards with reference to first aspect, it is described to open again in the third mode in the cards
It moves to restart manually or being restarted automatically.
Second of mode in the cards with reference to first aspect, or the third side in the cards with reference to first aspect
Formula, in the 4th kind of mode in the cards, storage is used to indicate the mark shown with the screen display parameter file next time
Will information includes:
After storing from the screen display parameter file that External memory equipment obtains into the memory of mainboard, in the memory of mainboard
For middle storage flag parameter to form the flag information, the flag information is corresponding with the screen display parameter file.
By using above-mentioned technical proposal, pass through the storage flag parameter formation flag bit letter in the memory of mainboard
Breath realizes the identification to screen display parameter file.
Second aspect, the embodiment of the present invention provide a kind of display system of display screen, comprising:
External memory equipment, for storing screen display parameter file corresponding with display resolution；
Mainboard for reading the External memory equipment to obtain screen display parameter file, and stores and is used to indicate restarting
With the flag information that the screen display parameter file is shown, and the mainboard is believed after restarting according to the mark
Breath is shown with the screen display parameter document control display screen.
By using above-mentioned technical proposal, the screen for showing the display screen of different resolution is stored by External memory equipment
Display parameters file, when External memory equipment is connected to mainboard, mainboard reads the screen being stored in External memory equipment and shows
Parameter File is simultaneously stored into memory, then stores flag information corresponding with screen display parameter file in memory,
Flag information can be obtained when starting every time afterwards by identification tag information for screen display parameter file to be marked
Corresponding screen display parameter file is obtained after mainboard restarting by reading the flag information being stored in memory
Screen display parameter file can carry out the display of display screen；By the above process, it if to modify screen Parameter File, directly modifies
Content in screen display parameter file was waited without remodify code, compiling packaging system software, programming system
Journey can also be adapted to the display screen of different resolution, save the time, accelerate exploitation, the debugging progress of product, improve life
Produce efficiency.
In conjunction with second aspect, in the first mode in the cards, is shown and joined with the screen according to the flag information
Number file carries out display
When main board system software recognizes the flag information, successively with the screen display parameter corresponding to different phase into
The display in row System guides stage, kernel stage, system stages.
By using above-mentioned technical proposal, pass through the data in System guides stage, kernel stage and system stages each stage
It reads and shows process, realize the display of display screen.
The first mode in the cards in conjunction with second aspect, it is described to open again in second of mode in the cards
It moves to restart manually or being restarted automatically.
The third aspect, the embodiment of the present invention provide a kind of External memory equipment, for being connected with mainboard and storing and show
The corresponding screen display parameter file of display screen resolution ratio.
Fourth aspect, the embodiment of the present invention provide a kind of mainboard, for reading External memory equipment to obtain screen display ginseng
Number file, and store and be used to indicate the flag information that restarting is shown with the screen display parameter file, and be used for
After restarting, shown according to the flag information with the screen display parameter document control display screen.
In conclusion the invention has the following advantages:
The embodiment of the present invention is by providing the display system and method for a kind of display screen, wherein display methods includes: to deposit from outside
It stores up equipment and obtains screen display parameter file；Storage is used to indicate the mark that restarting is shown with the screen display parameter file
Will information；After restarting, shown according to the flag information with the screen display parameter file.By External memory equipment
The screen display parameter file for showing the display screen of different resolution is stored, it is main when External memory equipment is connected to mainboard
Plate reads the screen display parameter file being stored in External memory equipment and stores into memory, then stores in memory
Flag information corresponding with screen display parameter file, flag information is for being marked screen display parameter file, afterwards
It can be obtained corresponding screen display parameter file by identification tag information when restarting every time, after mainboard restarting,
The display of display screen can be carried out by reading the flag information being stored in memory acquisition screen display parameter file；By above-mentioned
Process directly modifies the content in screen display parameter file, without being remodified if to modify screen Parameter File
The processes such as code, compiling packaging system software, programming system, can also be adapted to the display screen of different resolution, save the time,
Exploitation, the debugging progress for accelerating product, improve production efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the system architecture diagram of display system in the embodiment of the present invention；
Fig. 2 is the flow chart of display methods in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Embodiment:
A kind of display system of display screen, as shown in Figure 1, comprising: External memory equipment, for storing and display resolution phase
Corresponding screen display parameter file；Mainboard for reading External memory equipment to obtain screen display parameter file, and is stored and is used for
The flag information that is shown with screen display parameter file of restarting is indicated, and when mainboard starts every time afterwards, according to mark
Will information is shown with screen display parameter document control display screen.
Specifically, External memory equipment can be the movable storage devices such as USB flash disk, SD card, mobile hard disk, it is provided on mainboard
USB interface, card reader, for connecting and identifying that External memory equipment, display screen pass through LVDS interface or eDP interface and mainboard
It is connected, main board system software and memory is equipped in mainboard, memory device of the memory as mainboard can be EEPROM
(Electrically Erasable Programmable read only memory, Electrically Erasable Programmable Read-Only Memory).
The restarting of mainboard, which can be, restarts or is restarted automatically manually, can be right by the plug-in of system software
The form restarted is controlled, if control mainboard is restarted manually, after completing storage mark information, one dialog box of pop-up is supplied
User's selection restarts immediately or user is waited voluntarily to restart, if control mainboard is restarted automatically, completes storage mark
Mainboard is directly restarted after will information, restarting mode is to be restarted automatically in the present embodiment.
It with the flag information that screen display parameter file is shown includes: that will set from external storage that storage, which is used to indicate next time,
After the standby screen display parameter file obtained is stored into the memory of mainboard, in the memory of mainboard storage flag parameter with
Flag information is formed, flag bit parameter can be a string of character strings, and flag information is corresponding with screen display parameter file, passes through
Identification tag information can be to the identification of screen display parameter file.
Carry out display according to flag information with screen display parameter file to specifically include: main board system software recognizes the mark
When will information, System guides stage, kernel stage, system stages are successively carried out with screen display parameter corresponding to different phase
Display realizes display screen by System guides stage, the reading data in kernel stage and system stages each stage and display process
Display.
Specifically, the System guides stage, detailed process is as follows: the U-Boot of main board system software reads the memory of mainboard
In read from the memory of mainboard if the U-Boot of main board system software reads flag information with the presence or absence of flag information
It takes screen parameter to be used for the display in U-Boot stage, otherwise reads screen parameter from the system configuration of mainboard and be used for the aobvious of U-Boot stage
Show；
The kernel stage, detailed process is as follows: the kernel of main board system software is read in the memory of mainboard with the presence or absence of mark letter
Breath reads screen parameter from the memory of mainboard and is used for kernel rank if the kernel of main board system software reads flag information
Otherwise the display of section reads the display that screen parameter is used for the kernel stage from the system configuration of mainboard；
Detailed process is as follows for system stages: reading in the memory of mainboard with the presence or absence of mark on the system upper layer of main board system software
Information reads the screen from the memory of mainboard and shows if the system upper layer of main board system software reads flag information
DPI value in parameter is used for the display of display screen, otherwise reads the display that DPI value is used for display screen from the system configuration of mainboard.
Screen display parameter file for showing the display screen of different resolution is stored by External memory equipment, is deposited in outside
When storage equipment is connected to mainboard, mainboard reads the screen display parameter file being stored in External memory equipment and stores to memory
In, flag information corresponding with screen display parameter file is then stored in memory, and flag information is used for screen display ginseng
Number file is marked, and can be obtained corresponding screen display parameter file by identification tag information in booting next time,
After mainboard restarting, it can be shown by reading the flag information being stored in memory acquisition screen display parameter file
The display of screen；
By the above process, the software for only needing the system of burning in the motherboard one edition public version, in the display for carrying out different resolution
, only need to be by corresponding screen display parameter file copy into External memory equipment when screen display, it is aobvious that screen parameter can be read in mainboard
Show the content in file and be saved in for carrying out the display of display screen in memory, remodifies code, compiling without carrying out
The processes such as packaging system software, programming system can also be adapted to the display screen of different resolution, save the time, accelerate production
The exploitation of product, debugging progress, improve production efficiency；And modification is more flexible, and it, can be straight for not to the display screen of resolution ratio
Modification screen display parameter file is connect, without programming system software again, is operated more convenient；Use the embodiment of the present invention
When display system is debugged, 1-2 minutes are only needed from being modified to complete once to debug to test, and uses conventional methods progress
When debugging, due to needing to modify, compile, be packaged, the processes such as burning, one time debugging process needs to spend more than ten minutes.
The display system of the embodiment of the present invention is more applicable for LCD display and is shown.
Correspondingly, including the following steps: as shown in Fig. 2, the embodiment of the present invention also provides a kind of display methods of display screen
101, required screen display parameter file is copied in External memory equipment, External memory equipment by corresponding interface with
Mainboard is connected, and mainboard identifies External memory equipment by built-in broadcast listening code；
102, mainboard reads the screen display parameter file in External memory equipment after recognizing External memory equipment, and should
Screen display parameter file is replicated and is stored into the memory of mainboard；
103, after storing from the screen display parameter file that External memory equipment obtains into the memory of mainboard, in depositing for mainboard
For storage flag parameter to form flag information, flag bit parameter can be a string of character strings, flag information and screen display in reservoir
Show that Parameter File is corresponding, it can be to the identification of screen display parameter file by identification tag information；
104, the system for being restarted automatically mainboard；
105, carry out the display in System guides stage, detailed process is as follows: the U-Boot of main board system software reads depositing for mainboard
It whether there is flag information in reservoir, if the U-Boot of main board system software reads flag information, from the memory of mainboard
The middle display read screen parameter and be used for the U-Boot stage, otherwise reads screen parameter from the system configuration of mainboard and is used for the U-Boot stage
Display；
106, carry out the display in kernel stage, detailed process is as follows: the kernel of main board system software is read in the memory of mainboard
With the presence or absence of flag information, if the kernel of main board system software reads flag information, screen is read from the memory of mainboard
Parameter is used for the display in kernel stage, otherwise reads the display that screen parameter is used for the kernel stage from the system configuration of mainboard；
107, the display of system stages is carried out, detailed process is as follows: reading the storage of mainboard in the system upper layer of main board system software
It whether there is flag information in device, if the system upper layer of main board system software reads flag information, from the memory of mainboard
The middle DPI value read in the screen display parameter is used for the display of display screen, otherwise reads DPI value from the system configuration of mainboard and uses
In the display of display screen.
By the above process, the display of the display screen of different resolution can be carried out.
Correspondingly, the embodiment of the present invention also provides a kind of mainboard, for reading External memory equipment to obtain screen display ginseng
Number file, and store and be used to indicate the flag information that restarting is shown with screen display parameter file, and for afterwards
Every time when starting, shown according to flag information with screen display parameter document control display screen.
Correspondingly, the embodiment of the present invention also provides a kind of External memory equipment, for being connected with mainboard and storing and show
The corresponding screen display parameter file of display screen resolution ratio.
In the above-described embodiments, it emphasizes particularly on different fields to the description of each embodiment, there is no the part being described in detail in some embodiment,
Reference can be made to the related descriptions of other embodiments.
It should be noted that for the various method embodiments described above, for simple description, therefore, it is stated as a series of
Combination of actions, but those skilled in the art should understand that, the present invention is not limited by the sequence of acts described because
According to the present invention, certain steps sequentially or may be carried out simultaneously using other.Secondly, those skilled in the art should also know
It knows, the embodiments described in the specification are all preferred embodiments, the actions and modules being related to not necessarily this hair
Necessary to bright.
In several embodiments provided herein, it should be understood that disclosed device, it can be real in other way
It is existing.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, only one kind is patrolled
Volume function division, there may be another division manner in actual implementation, such as multiple units or components can combine or can be with
It is integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed mutual
Coupling or communication connection can be through some interfaces, and the indirect coupling or communication connection between device or unit can be electricity
Letter or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, and without limiting it；Although reference
The present invention will be described in detail for previous embodiment, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of display methods of display screen characterized by comprising
Screen display parameter file is obtained from External memory equipment；
Storage is used to indicate the flag information that restarting is shown with the screen display parameter file；
After restarting, shown according to the flag information with the screen display parameter file.
2. the display methods of display screen according to claim 1, which is characterized in that according to the flag information with the screen
Display parameters file carries out display and specifically includes:
When main board system software recognizes the flag information, successively with the screen display parameter corresponding to different phase into
The display in row System guides stage, kernel stage, system stages.
3. the display methods of display screen according to claim 2, which is characterized in that
Whether the System guides stage, detailed process is as follows: depositing in the memory of the U-Boot reading mainboard of main board system software
In the flag information, if the U-Boot of main board system software reads the flag information, read from the memory of mainboard
It takes screen parameter to be used for the display in U-Boot stage, otherwise reads screen parameter from the system configuration of mainboard and be used for the aobvious of U-Boot stage
Show；
The kernel stage, detailed process is as follows: the kernel of main board system software is read in the memory of mainboard with the presence or absence of described
Flag information reads screen parameter if the kernel of main board system software reads the flag information from the memory of mainboard
For the display in kernel stage, the display that screen parameter is used for the kernel stage otherwise is read from the system configuration of mainboard；
Detailed process is as follows for the system stages: whether there is in the memory of the system upper layer reading mainboard of main board system software
The flag information is read from the memory of mainboard if the system upper layer of main board system software reads the flag information
It takes the DPI value in the screen display parameter to be used for the display of display screen, otherwise reads DPI value for showing from the system configuration of mainboard
The display of display screen.
4. the display methods of display screen according to claim 3, which is characterized in that it is described restarting for manually restart or
It is restarted automatically.
5. the display methods of display screen according to claim 3 or 4, which is characterized in that
Storage is used to indicate next time and with the flag information that the screen display parameter file is shown includes:
After storing from the screen display parameter file that External memory equipment obtains into the memory of mainboard, in the memory of mainboard
For middle storage flag parameter to form the flag information, the flag information is corresponding with the screen display parameter file.
6. a kind of display system of display screen characterized by comprising
External memory equipment, for storing screen display parameter file corresponding with display resolution；
Mainboard for reading the External memory equipment to obtain screen display parameter file, and stores and is used to indicate restarting
With the flag information that the screen display parameter file is shown, and the mainboard is believed after restarting according to the mark
Breath is shown with the screen display parameter document control display screen.
7. the display system of display screen according to claim 6, which is characterized in that according to the flag information with the screen
Display parameters file carries out display
When main board system software recognizes the flag information, successively with the screen display parameter corresponding to different phase into
The display in row System guides stage, kernel stage, system stages.
8. the display system of display screen according to claim 7, which is characterized in that it is described restarting for manually restart or
It is restarted automatically.
9. a kind of External memory equipment as described in any one of claim 6 to 8, which is characterized in that be used for and mainboard phase
It connects and stores screen display parameter file corresponding with display resolution.
10. a kind of mainboard as described in any one of claim 6 to 8, which is characterized in that for reading External memory equipment
The mark that restarting is shown with the screen display parameter file is used to indicate to obtain screen display parameter file, and store
Information, and for being shown according to the flag information with the screen display parameter document control display screen after restarting
Show.
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