CN109597595A - Control method, device, computer equipment and the storage medium of liquid crystal display - Google Patents
Control method, device, computer equipment and the storage medium of liquid crystal display Download PDFInfo
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- CN109597595A CN109597595A CN201811271496.0A CN201811271496A CN109597595A CN 109597595 A CN109597595 A CN 109597595A CN 201811271496 A CN201811271496 A CN 201811271496A CN 109597595 A CN109597595 A CN 109597595A
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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
Abstract
This application involves a kind of control method of liquid crystal display, device, computer equipment and storage mediums.The described method includes: obtaining liquid crystal display data；The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；When liquid crystal display data is written into shared drive mapping, the display image of liquid crystal display is controlled according to the liquid crystal display data.It can be improved the refresh rate of liquid crystal display using this method；Reduce the splashette occurred when operating liquid crystal display by embedded system and card screen phenomenon.
Description
Technical field
This application involves field of computer technology, more particularly to a kind of control method of liquid crystal display, device, calculating
Machine equipment and storage medium.
Background technique
With the fast development of embedded technology, embedded device (such as mobile phone, ipad, laptop) is widely applied
In actual life, people are increasingly strong to the fluency of embedded device operating and multi-functional requirement.And current liquid crystal
Showing module already becomes essential module in embedded system.It is mainly used for and user interactive operation, to ensure that system is grasped
The fluency of work and multi-functional realization, it is necessary to assure the real time communication of system and liquid crystal display, traditional embedded system
In liquid crystal display operating technology, there are two ways to commonly using, the first is directly according to the databook of liquid crystal display, directly
Connected liquid crystal display bus operation liquid crystal display.Second of Framebuffer (frame buffering) frame using standard,
Bottom hardware is shielded on this framework, liquid crystal operation is carried out using unified file operation mode.
For above two liquid crystal display operating method, the mode of liquid crystal display bus is directly operated, is saved
Intermediate excessive step, although can guarantee real-time communicate with liquid crystal display, the liquid that is produced due to different vendor
The bus mode that crystal display screen uses might not be all identical, must obtain basis when encountering the liquid crystal display using new bus
The bus request of liquid crystal display redesigns.It is unfavorable for the exploitation of product and the maintenance in later period in this way, product development is difficult
Degree is big, and later maintenance cost is high.
Further, it is also possible to shield bottom hardware using the Framebuffer frame of standard, pass through unified file operation
Mode carries out liquid crystal operation, and such mode is suitable for the different LCD Panels of different vendor, and product developing mode is unified, after
Phase maintenance cost is low, but for embedded system, Framebuffer frame is triggered using triggering mode to liquid crystal
The operation of display screen is just initiated primary update when needing to refresh liquid crystal display and is requested, when CPU usage is high, it is difficult to ensure that
With the real time communication of liquid crystal display, it is easy to appear splashette, card screen phenomenon.
Summary of the invention
Based on this, it is necessary to which in view of the above technical problems, liquid crystal can be avoided when CPU usage is high by providing one kind
There is control method, device, computer equipment and the storage medium of the liquid crystal display of splashette, card screen phenomenon in display screen.
A kind of control method of liquid crystal display, which comprises
Obtain liquid crystal display data；
The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；
Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；
When liquid crystal display data is written into shared drive mapping, liquid crystal display is controlled according to the liquid crystal display data
Display image.
The liquid crystal display data includes color value data in one of the embodiments,；It is described to get liquid crystal display
Data, comprising:
Get the color value data of each pixel of application program output.
The called application-specific programming interface API in one of the embodiments, by the liquid crystal display data
It is transmitted to shared drive mapping, comprising:
Specific API is called, the color value data of each pixel is converted into data to be displayed；
The data to be displayed is transmitted to shared drive mapping.
Whether the calling default process monitoring liquid crystal display data is written into shared in one of the embodiments,
Memory mapping, comprising:
Default process is called to monitor whether the data to be displayed is written into shared drive mapping.
Whether the calling default process monitoring liquid crystal display data is written into shared in one of the embodiments,
Memory mapping, comprising:
The kernel thread in default process is called to monitor whether the liquid crystal display data is written into shared drive mapping.
It is described when liquid crystal display data is written into shared drive mapping in one of the embodiments, according to the liquid
The display image of crystalline substance display data control liquid crystal display, comprising:
When liquid crystal display data is written into shared drive mapping, call the LCD controller by the liquid crystal
Registration evidence is shown on the liquid crystal display.
A kind of control device of liquid crystal display, described device include:
Module is obtained, for obtaining liquid crystal display data；
Transmission module is used for called application-specific programming interface API, the liquid crystal display data is transmitted to shared
Memory mapping；
Module is monitored, for calling default process to monitor whether the liquid crystal display data is written into shared drive mapping；
Control module, for when liquid crystal display data be written into shared drive mapping when, according to the liquid crystal display data
Control the display image of liquid crystal display.
The liquid crystal display data includes color value data in one of the embodiments,；The acquisition module includes:
Color value data acquisition submodule, the color value data of each pixel for getting application program output.
A kind of computer equipment, including memory and processor, the memory are stored with computer program, the processing
Device performs the steps of when executing the computer program
Obtain liquid crystal display data；
The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；
Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；
When liquid crystal display data is written into shared drive mapping, liquid crystal display is controlled according to the liquid crystal display data
Display image.
A kind of computer readable storage medium, is stored thereon with computer program, and the computer program is held by processor
It is performed the steps of when row
Obtain liquid crystal display data；
The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；
Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；
When liquid crystal display data is written into shared drive mapping, liquid crystal display is controlled according to the liquid crystal display data
Display image.
Control method, device, computer equipment and the storage medium of above-mentioned liquid crystal display, by obtaining liquid crystal registration
According to；The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；It calls default
Process monitors whether the liquid crystal display data is written into shared drive mapping；It is reflected when liquid crystal display data is written into shared drive
When penetrating, the display image of liquid crystal display is controlled according to the liquid crystal display data；It is used with traditional Framebuffer framework
The mode of triggering triggers the operation to liquid crystal display, and the primary method for updating request is just initiated when needing to refresh liquid crystal display
It compares, improves the refresh rate of liquid crystal display；Reduce the splashette occurred when operating liquid crystal display by embedded system
And card screen phenomenon.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the control method of liquid crystal display of one embodiment；
Fig. 2 is a kind of structural schematic diagram of control system of one embodiment；
Fig. 3 is a kind of control flow chart of liquid crystal display of one embodiment；
Fig. 4 is a kind of structural block diagram of the control device of liquid crystal display of one embodiment；
Fig. 5 is a kind of internal structure chart of computer equipment of one embodiment.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
In one embodiment, as shown in Figure 1, providing a kind of control method of liquid crystal display, comprising the following steps:
Step S201 obtains liquid crystal display data；
In the present embodiment, this method can be applied to embedded device, and the embedded device can be, but not limited to be each
Kind personal computer, laptop, smart phone, tablet computer and portable wearable device；The embedded device fortune
Capable operating system may include Linux system, Android system or windows system, the present embodiment to this with no restriction.
On hardware structure, which may include processor, reservoir (including volatile memory and Fei Yi
Lose property memory), display (including liquid crystal display)；In addition, it can include audio collection device, audio player etc., this
Embodiment to this with no restriction.
On the other hand, which can run multiple application programs, the application program may include it is multiple not
With classification application program, for example, embedded device can be equipped with game, system safety, communication social, audio-visual audiovisual,
Photography and vedio recording, news reading, convenient life, communication navigation, tourism hotel, do shopping preferential, sport health, education and study, theme
The application program of the classifications such as wallpaper, finance and money management, office business.
It is specifically applied in the present embodiment, the liquid crystal display that the embedded device available application program generates when running
Data；The liquid crystal display data may include RGB (red (Red), green (Green), blue (Blue)) color value data, the liquid crystal
Registration is according to the color value that can be the control each pixel of liquid crystal display, thus the display image of control thereon.
Specifically, if the current User Interface (user interface) of application program needs to switch to another user
When interface, the embedded device is available to arrive the corresponding liquid crystal display data of another user interface, that is, gets another use
The corresponding color value data in family interface.
The liquid crystal display data is transmitted to shared drive by step S202, called application-specific programming interface API
Mapping；
It is further applicable in the present embodiment, the operating system of the built-in equipment operation may include multiple API (application
Program Interfaces, Application Programming Interface), API be it is abstract, define an interface,
Without regard to the concrete operations of application program in the actual implementation process；Above-mentioned API may include specific API, the specific API
It can be used for controlling the display image of liquid crystal display.
Specifically, the embedded device can call the specific API, which is transmitted to shared drive
Mapping；Shared drive mapping is also referred to as Memory Mapping File, is by the mapping of a file to one piece of memory；This is embedded to set
It is standby first to convert the liquid crystal display data, the data after conversion are transmitted in shared drive mapping.
Step S203 calls default process to monitor whether the liquid crystal display data is written into shared drive mapping；
It is further applicable in the present embodiment, which can create one or more default processes, be used for
Monitor whether the liquid crystal display data is written into shared drive mapping, which can include at least a kernel thread.
It should be noted that the kernel thread in the default process can not be scheduled, algorithm suspends, stops or eliminates,
Continuously listen for shared drive mapping；Judge whether the liquid crystal display data is written into shared drive mapping.
In the case where the CPU usage of embedded device is high, because the kernel thread is that not scheduled algorithm is stopped
Or scheduling, monitor always whether have liquid crystal display data be written into shared drive mapping when, if so, according to the liquid crystal display
The display image of data control liquid crystal display；Even if in the case where CPU usage height, can also by liquid crystal display data and
Shi Jinhang shows that the i.e. corresponding hardware execution unit of liquid crystal display can timely respond to operation requests, reduces splashette and card
The phenomenon that screen.
Step S204 is controlled when liquid crystal display data is written into shared drive mapping according to the liquid crystal display data
The display image of liquid crystal display.
It applies in the present embodiment, when liquid crystal display data is written into shared drive mapping, according to the liquid crystal
Show the display image of data control liquid crystal display；I.e. when the kernel thread listen to liquid crystal display data be written into it is shared
When memory maps, which controls the display image of liquid crystal display according to the liquid crystal display data.
According to the control method of liquid crystal display provided in this embodiment, by obtaining liquid crystal display data；It calls specific
The liquid crystal display data is transmitted to shared drive mapping by application programming interface API；It calls described in default process monitoring
Whether liquid crystal display data is written into shared drive mapping；When liquid crystal display data is written into shared drive mapping, according to institute
State the display image of liquid crystal display data control liquid crystal display；With traditional Framebuffer framework by the way of triggering
The operation to liquid crystal display is triggered, the primary method for updating request is just initiated when needing to refresh liquid crystal display and is compared, liquid is improved
The refresh rate of crystal display screen；Reduce the splashette occurred when operating liquid crystal display by embedded system and card screen phenomenon.
In another embodiment, the step S201 includes: the face for getting each pixel of application program output
Color value data.
It is specifically applied in the present embodiment, which may include the color value data of each pixel；I.e.
The color value of the available each pixel to application program output of the embedded device；The color value may include RGB face
The color value of color model；In a kind of concrete application of the present embodiment, when the embedded device video playing application program just
It is running, when needing to be switched to another frame image from a frame image, the embedded device is available to arrive what application program exported
The color value data of the image.
In another embodiment, the step S202, comprising: specific API is called, by the color of each pixel
Value Data is converted to data to be displayed；The data to be displayed is transmitted to shared drive mapping.
It is further applicable in the present embodiment, when embedded device gets the face of each pixel of application program output
After color value, the specific API can be called, the color value data of each pixel is converted into data to be displayed；It will be described
Data to be displayed is transmitted to shared drive mapping.
It should be noted that the data to be displayed can be the data of binary format；I.e. embedded device can call
Data to be displayed is converted to the data of binary format by the specific API, then the data to be displayed of the binary format is transmitted
It is mapped to shared drive；Further, shared drive mapping is distributed from Installed System Memory, unrelated with hardware.
In another embodiment, the step S203 includes: to call whether default process monitors the data to be displayed
It is written into shared drive mapping.
It is specifically applied in the present embodiment, which, which can call default process to monitor the data to be displayed, is
It is no to be written into shared drive mapping.
In another embodiment, the step S203 includes: that the kernel thread in default process is called to monitor the liquid
Whether crystalline substance display data are written into shared drive mapping.
In the present embodiment, which may include at least one kernel thread, which can not be scheduled
Algorithm suspends, stops or eliminates, i.e. the kernel thread continuously listens for shared drive and reflect not scheduled in process scheduling algorithm
It penetrates.
In another embodiment, the step S204 include: when liquid crystal display data be written into shared drive mapping when,
Call the LCD controller that the liquid crystal display data is shown on the liquid crystal display.
When the kernel thread of embedded device, which listens to liquid crystal display data, is written into shared drive mapping, described in calling
The liquid crystal display data is shown on the liquid crystal display by LCD controller.
It should be noted that the liquid crystal display can be connect with LCD controller, which is transmitted
To the LCD controller, the liquid crystal display data is shown in the liquid crystal display by the LCD controller
On screen.
In order to make those skilled in the art more fully understand the present embodiment, it is illustrated below by way of a specific example:
Referring to Fig. 2, a kind of structural schematic diagram of control system is provided, as shown in Fig. 2, 1 indicates to receive user's operation
Application program, 2 indicate the corresponding function of application programming interface that embedded system provides, and 3 indicate equipment entity, and 4 indicate
The shared drive mapping of embedded system creation, 5 indicate the interior of the default process of the shared drive mapping of embedded system creation
Core thread, 6 indicate liquid crystal hardware, such as LCD controller.
Referring to Fig. 3, a kind of control flow chart of liquid crystal display is provided, which exports liquid crystal display data,
Equipment entity 3, equipment entity 3 are converted and are transmitted to liquid crystal display data by the application programming interface 2 of offer
Registration, the initialization, parameter setting of equipment entity are completed, and the liquid crystal display data after conversion is updated to shared drive and is mapped
In 4, shared drive mapping 4 caches the liquid crystal display data after the conversion, when kernel thread 5 listens to shared drive mapping 4
In liquid crystal display data whether be updated, if so, liquid crystal display data is transferred to liquid crystal hardware 6 immediately, such as liquid crystal display
Controller, the LCD controller control the display image of liquid crystal display according to the liquid crystal display data.
Although it should be understood that Fig. 1,3 flow chart in each step successively shown according to the instruction of arrow,
These steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly stating otherwise herein, these steps
Execution there is no stringent sequences to limit, these steps can execute in other order.Moreover, Fig. 1, at least one in 3
Part steps may include that perhaps these sub-steps of multiple stages or stage are not necessarily in synchronization to multiple sub-steps
Completion is executed, but can be executed at different times, the execution sequence in these sub-steps or stage is also not necessarily successively
It carries out, but can be at least part of the sub-step or stage of other steps or other steps in turn or alternately
It executes.
In one embodiment, as shown in figure 4, providing a kind of control device of liquid crystal display, comprising: obtain module
401, transmission module 402, monitoring module 403 and control module 404, in which:
Module 401 is obtained, for obtaining liquid crystal display data；
Transmission module 402 is used for called application-specific programming interface API, the liquid crystal display data is transmitted to
Shared drive mapping；
Module 403 is monitored, is reflected for calling the default process monitoring liquid crystal display data whether to be written into shared drive
It penetrates；
Control module 404, for when liquid crystal display data be written into shared drive mapping when, according to the liquid crystal registration
According to the display image of control liquid crystal display.
In another embodiment, the liquid crystal display data includes color value data；The acquisition module includes:
Color value data acquisition submodule, the color value data of each pixel for getting application program output.
In another embodiment, the transmission module includes:
The color value data of each pixel is converted to number to be shown for calling specific API by transform subblock
According to；
Submodule is transmitted, for the data to be displayed to be transmitted to shared drive mapping.
In another embodiment, the monitoring module includes:
First monitors submodule, reflects for calling the default process monitoring data to be displayed whether to be written into shared drive
It penetrates.
In another embodiment, the monitoring module includes:
Second monitors submodule, for call kernel thread in default process monitor the liquid crystal display data whether by
Shared drive mapping is written.
In another embodiment, the control module includes:
Display sub-module, for calling the liquid crystal display control when liquid crystal display data is written into shared drive mapping
The liquid crystal display data is shown on the liquid crystal display by device processed.
The specific of control device about liquid crystal display limits the control that may refer to above for liquid crystal display
The restriction of method, details are not described herein.Modules in the control device of above-mentioned liquid crystal display can be fully or partially through
Software, hardware and combinations thereof are realized.Above-mentioned each module can be embedded in the form of hardware or independently of the place in computer equipment
It manages in device, can also be stored in a software form in the memory in computer equipment, in order to which processor calls execution or more
The corresponding operation of modules.
The control device of the liquid crystal display of above-mentioned offer can be used for executing the liquid crystal display that above-mentioned any embodiment provides
The control method of screen has corresponding function and beneficial effect.
In one embodiment, a kind of computer equipment is provided, which can be terminal, internal structure
Figure can be as shown in Figure 5.The computer equipment includes processor, the memory, network interface, display connected by system bus
Screen and input unit.Wherein, the processor of the computer equipment is for providing calculating and control ability.The computer equipment is deposited
Reservoir includes non-volatile memory medium, built-in storage.The non-volatile memory medium is stored with operating system and computer journey
Sequence.The built-in storage provides environment for the operation of operating system and computer program in non-volatile memory medium.The calculating
The network interface of machine equipment is used to communicate with external terminal by network connection.When the computer program is executed by processor with
Realize a kind of control method of liquid crystal display.The display screen of the computer equipment can be liquid crystal display or electric ink
Display screen, the input unit of the computer equipment can be the touch layer covered on display screen, be also possible to outside computer equipment
Key, trace ball or the Trackpad being arranged on shell can also be external keyboard, Trackpad or mouse etc..
It will be understood by those skilled in the art that structure shown in Fig. 5, only part relevant to application scheme is tied
The block diagram of structure does not constitute the restriction for the computer equipment being applied thereon to application scheme, specific computer equipment
It may include perhaps combining certain components or with different component layouts than more or fewer components as shown in the figure.
In one embodiment, a kind of computer equipment, including memory and processor are provided, is stored in memory
Computer program, the processor perform the steps of when executing computer program
Obtain liquid crystal display data；
The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；
Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；
When liquid crystal display data is written into shared drive mapping, liquid crystal display is controlled according to the liquid crystal display data
Display image.
In one embodiment, the liquid crystal display data includes color value data；When processor executes computer program
Also perform the steps of the color value data for getting each pixel of application program output.
In one embodiment, it is also performed the steps of when processor executes computer program
Specific API is called, the color value data of each pixel is converted into data to be displayed；
The data to be displayed is transmitted to shared drive mapping.
In one embodiment, calling default process is also performed the steps of when processor executes computer program to monitor
Whether the data to be displayed is written into shared drive mapping.
In one embodiment, it is also performed the steps of when processor executes computer program in the default process of calling
Kernel thread monitors whether the liquid crystal display data is written into shared drive mapping.
In one embodiment, it also performs the steps of when processor executes computer program when liquid crystal display data quilt
When shared drive mapping is written, call the LCD controller that the liquid crystal display data is shown in the liquid crystal display
On screen.
In one embodiment, a kind of computer readable storage medium is provided, computer program is stored thereon with, is calculated
Machine program performs the steps of when being executed by processor
Obtain liquid crystal display data；
The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；
Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；
When liquid crystal display data is written into shared drive mapping, liquid crystal display is controlled according to the liquid crystal display data
Display image.
In one embodiment, the liquid crystal display data includes color value data；Computer program is executed by processor
When also perform the steps of
Get the color value data of each pixel of application program output.
In one embodiment, it is also performed the steps of when computer program is executed by processor
Specific API is called, the color value data of each pixel is converted into data to be displayed；
The data to be displayed is transmitted to shared drive mapping.
In one embodiment, it is also performed the steps of when computer program is executed by processor
Default process is called to monitor whether the data to be displayed is written into shared drive mapping.
In one embodiment, it is also performed the steps of when computer program is executed by processor
The kernel thread in default process is called to monitor whether the liquid crystal display data is written into shared drive mapping.
In one embodiment, it is also performed the steps of when computer program is executed by processor
When liquid crystal display data is written into shared drive mapping, call the LCD controller by the liquid crystal
Registration evidence is shown on the liquid crystal display.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the computer program can be stored in a non-volatile computer
In read/write memory medium, the computer program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein,
To any reference of memory, storage, database or other media used in each embodiment provided herein,
Including non-volatile and/or volatile memory.Nonvolatile memory may include read-only memory (ROM), programming ROM
(PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM) or flash memory.Volatile memory may include
Random access memory (RAM) or external cache.By way of illustration and not limitation, RAM is available in many forms,
Such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate sdram (DDRSDRAM), enhancing
Type SDRAM (ESDRAM), synchronization link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM
(RDRAM), direct memory bus dynamic ram (DRDRAM) and memory bus dynamic ram (RDRAM) etc..
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of control method of liquid crystal display characterized by comprising
Obtain liquid crystal display data；
The liquid crystal display data is transmitted to shared drive mapping by called application-specific programming interface API；
Default process is called to monitor whether the liquid crystal display data is written into shared drive mapping；
When liquid crystal display data is written into shared drive mapping, the aobvious of liquid crystal display is controlled according to the liquid crystal display data
Diagram picture.
2. the method according to claim 1, wherein the liquid crystal display data includes color value data；It is described
Get liquid crystal display data, comprising:
Get the color value data of each pixel of application program output.
3. according to the method described in claim 2, it is characterized in that, the called application-specific programming interface API, by institute
It states liquid crystal display data and is transmitted to shared drive mapping, comprising:
Specific API is called, the color value data of each pixel is converted into data to be displayed；
The data to be displayed is transmitted to shared drive mapping.
4. according to the method described in claim 3, it is characterized in that, described call default process to monitor the liquid crystal display data
Whether shared drive mapping is written into, comprising:
Default process is called to monitor whether the data to be displayed is written into shared drive mapping.
5. method according to claim 1 or 3, which is characterized in that described that default process is called to monitor the liquid crystal display
Whether data are written into shared drive mapping, comprising:
The kernel thread in default process is called to monitor whether the liquid crystal display data is written into shared drive mapping.
6. according to the method described in claim 5, it is characterized in that, described when liquid crystal display data is written into shared drive mapping
When, the display image of liquid crystal display is controlled according to the liquid crystal display data, comprising:
When liquid crystal display data is written into shared drive mapping, call the LCD controller by the liquid crystal registration
According to being shown on the liquid crystal display.
7. a kind of control device of liquid crystal display characterized by comprising
Module is obtained, for obtaining liquid crystal display data；
Transmission module is used for called application-specific programming interface API, the liquid crystal display data is transmitted to shared drive
Mapping；
Module is monitored, for calling default process to monitor whether the liquid crystal display data is written into shared drive mapping；
Control module, for being controlled according to the liquid crystal display data when liquid crystal display data is written into shared drive mapping
The display image of liquid crystal display.
8. the apparatus according to claim 1, which is characterized in that the acquisition module includes:
Color value data acquisition submodule, the color value data of each pixel for getting application program output.
9. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the processor realizes the control of liquid crystal display described in any one of claims 1 to 6 when executing the computer program
The step of method processed.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of control method of liquid crystal display described in any one of claims 1 to 6 is realized when being executed by processor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112367565A (en) * | 2020-10-23 | 2021-02-12 | 深圳创维－Rgb电子有限公司 | Television image-text display method, device, equipment and storage medium |
| CN112433805A (en) * | 2020-12-17 | 2021-03-02 | 潍柴动力股份有限公司 | Simulation method and system of liquid crystal display screen |
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| CN109597595B (en) | 2022-03-22 |
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