CN108109580B - parameter adaptation method, device, equipment and storage medium of LED display screen - Google Patents
parameter adaptation method, device, equipment and storage medium of LED display screen Download PDFInfo
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
the embodiment of the invention discloses a parameter adaptation method, a parameter adaptation device, a parameter adaptation equipment and a parameter adaptation storage medium of an LED display screen. The method comprises the following steps: generating a parameter list set comprising at least one group of parameter lists, and establishing index values corresponding to the parameter lists one by one; reading the parameter list in the parameter list set according to the index value, and sending the parameter list to a controller, wherein the controller is used for controlling an LED display screen; and acquiring a display image of the LED display screen, and determining a target parameter list according to the display state of the display image. The parameter adaptation method of the LED display screen provided by the embodiment of the invention can realize automatic adaptation of parameters, so that the parameter configuration process is more convenient. The abnormal display of the LED display screen is avoided, the display effect of the LED display screen is better, and the user experience is improved.
Description
Technical Field
The embodiment of the invention relates to an electronic display technology, in particular to a parameter adaptation method, a parameter adaptation device, a parameter adaptation equipment and a storage medium of an LED display screen.
Background
An LED (Light Emitting Diode) display screen is a flat panel display, which is composed of small LED module panels and is a device for displaying various information such as text, images, video or video signals. Because the LED has low working voltage, can actively emit light and has certain brightness, has the characteristics of impact resistance, vibration resistance, long service life and the like, and is widely used. Generally, before a new LED display screen is used for image display, parameters need to be debugged, which is difficult for non-technical personnel, and most of common users do not know the related technologies, and are difficult to complete debugging, resulting in poor user experience.
disclosure of Invention
the embodiment of the invention provides a parameter adaptation method, a parameter adaptation device, equipment and a storage medium of an LED display screen, so as to realize automatic parameter adaptation of the LED display screen and enable the display effect of the LED display screen to be better.
in a first aspect, an embodiment of the present invention provides a method for adapting parameters of an LED display screen, where the method includes:
generating a parameter list set comprising at least one group of parameter lists, and establishing index values corresponding to the parameter lists one by one;
reading the parameter list in the parameter list set according to the index value, and sending the parameter list to a controller, wherein the controller is used for controlling an LED display screen;
and acquiring a display image of the LED display screen, and determining a target parameter list according to the display state of the display image.
further, the parameter list includes variable parameters and fixed parameters;
The variable parameters comprise the width of the display module, whether a 138 decoder is used, the type of the LED chip and the number of empty points inserted in one scanning; the fixed parameters include data polarity, OE polarity, color channel, a set of RGB controlled line heights, scanning type and a pixel point coordinate list of a scanning table.
Further, still include:
constructing a feature test image with a preset size, and generating feature data corresponding to the feature test image;
sending the characteristic data to a controller as test characteristic data;
correspondingly, the determining a target parameter list according to the display state of the display image specifically includes:
Entering a test state, acquiring first actual characteristic data corresponding to the display image in the test state, and performing state analysis on the first actual characteristic data to acquire the fixed parameters; after the test state is exited, second actual characteristic data corresponding to the display image is obtained, and the second actual characteristic data is matched with the test characteristic data;
and taking a current parameter list corresponding to the second actual characteristic data matched with the test characteristic data as a target parameter list.
further, still include:
And when the second actual characteristic data is not matched with the test characteristic data, returning to execute the operation of reading the parameter list in the parameter list set according to the index value and sending the parameter list to the controller until the second actual characteristic data is matched with the test characteristic data or all the parameter lists are read in a traversing manner.
Further, before the constructing the feature test image with the preset size, the method further includes:
acquiring parameter information of a memory cache region, wherein the parameter information comprises width, height and pixel point number;
correspondingly, the constructing of the feature test image with the preset size specifically includes:
And constructing a characteristic test image with a preset size matched with the parameter information of the memory cache region.
in a second aspect, an embodiment of the present invention further provides a device for adapting parameters of an LED display screen, where the device includes:
The list set generating module is used for generating a parameter list set containing at least one group of parameter lists and establishing index values corresponding to the parameter lists one by one;
The list reading module is used for reading the parameter list in the parameter list set according to the index value and sending the parameter list to a controller, and the controller is used for controlling the LED display screen;
and the image acquisition module is used for acquiring the display image of the LED display screen and determining a target parameter list according to the display state of the display image.
Further, the parameter list includes variable parameters and fixed parameters;
the variable parameters comprise the width of the display module, whether a 138 decoder is used, the type of the LED chip and the number of empty points inserted in one scanning; the fixed parameters include data polarity, OE polarity, color channel, a set of RGB controlled line heights, scanning type and a pixel point coordinate list of a scanning table.
Further, the system also comprises an image construction module, which is specifically configured to:
constructing a feature test image with a preset size, and generating feature data corresponding to the feature test image;
Sending the characteristic data to a controller as test characteristic data;
correspondingly, the image acquisition module is specifically configured to:
Entering a test state, acquiring first actual characteristic data corresponding to the display image in the test state, and performing state analysis on the first actual characteristic data to acquire the fixed parameters;
After the test state is exited, second actual characteristic data corresponding to the display image is obtained, and the second actual characteristic data is matched with the test characteristic data;
and taking a current parameter list which corresponds to the second actual characteristic data and comprises the fixed parameters when the second actual characteristic data is matched with the test characteristic data as a target parameter list.
In a third aspect, an embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the method for adapting parameters of an LED display screen according to any one of the embodiments of the present invention.
In a fourth aspect, a computer-readable storage medium has stored thereon a computer program which, when executed by a processor, implements a method for parameter adaptation of an LED display screen according to any one of the embodiments of the present invention.
The parameter adaptation method of the LED display screen provided by the embodiment of the invention can realize automatic adaptation of parameters, so that the parameter configuration process is more convenient. The abnormal display of the LED display screen is avoided, the display effect of the LED display screen is better, and the user experience is improved.
drawings
fig. 1 is a flowchart of a parameter adaptation method for an LED display screen according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of a parameter adapting device of an LED display screen according to a second embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a computer device according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a parameter adapting method for an LED display screen according to an embodiment of the present invention, where the embodiment is applicable to a parameter adapting situation, and the method may be executed by a parameter adapting device for an LED display screen, where the device may be implemented by software and/or hardware, and the method specifically includes the following steps:
s110, generating a parameter list set containing at least one group of parameter lists, and establishing index values corresponding to the parameter lists one by one.
The parameter list may include a plurality of parameters of the controller, the controller may specifically be an FPGA (Field Programmable Gate Array), the index values may be in a form of numbers or letters, and may have a certain order, and a group of parameter lists may correspond to one index value, and the corresponding parameter list may be determined by the index value.
preferably, the parameter list comprises variable parameters and fixed parameters; the variable parameters comprise the width of the display module, whether a 138 decoder is used, the type of the LED chip and the number of empty points inserted in one scanning; the fixed parameters include data polarity, OE polarity, color channel, a set of RGB controlled line heights, scanning type and a pixel point coordinate list of a scanning table.
generally, each variable parameter may correspond to a plurality of selectable items, and a parameter list set including a plurality of parameter lists may be generated by permutation and combination of each selectable item of each variable parameter. The parameter list set can be used as a total set, and the determination of the parameter list corresponding to the LED display screen chip from the total set is the target to be achieved by the embodiment of the present invention. Specifically, the data polarity and the OE polarity both include high active and low active, and the states of the color channels may be arranged in a red, green, blue and black array, and there are 4 × 4 types in total, for example, red, green, blue, black, red, blue, green, and the like. A set of RGB controlled line heights ranges from 1 to 128. The scan type is 1 to 128, and the specific value is a value that divides the row height of a set of RGB controls. The pixel point coordinate list of the scan table may be a coordinate set including coordinate points in a plurality of two-dimensional coordinate systems.
And S120, reading the parameter list in the parameter list set according to the index value, and sending the parameter list to a controller, wherein the controller is used for controlling the LED display screen.
And reading a parameter list in the parameter list set according to the index value, and writing the parameter list into the FPGA. And the FPGA controls the LED display screen based on the parameter setting in the parameter list.
s130, obtaining a display image of the LED display screen, and determining a target parameter list according to the display state of the display image.
The display image in the LED display screen is captured, the state information of the display image is analyzed, and the current parameter list is fed back to the FPGA to be used as a target parameter list.
Optionally, the method further includes: constructing a feature test image with a preset size, and generating feature data corresponding to the feature test image; and sending the characteristic data to a controller as test characteristic data.
Specifically, before the constructing the feature test image with the preset size, the method further includes:
acquiring parameter information of a memory cache region, wherein the parameter information comprises width, height and pixel point number; correspondingly, the constructing of the feature test image with the preset size specifically includes: and constructing a characteristic test image with a preset size matched with the parameter information of the memory cache region.
The memory buffer, i.e., FrameBuffer, is used to drive a video display device from a memory buffer containing complete frame data by a video output device. The method has parameter information such as width, height, pixel point digits and the like, and specifically can be used for opening a FrameBuffer device to obtain the width, height and pixel point digits of the FrameBuffer. A feature test image of a predetermined size may be constructed that matches FrameBuffer. The feature test image may specifically be an image that facilitates recognition, for example, the image content may be a diagonal line or a cross line. The test feature data corresponding to the feature test image may be in binary form. The FPGA can acquire the test characteristic data through an LCD interface. The above is the initialization work for the FrameBuffer image data.
Correspondingly, the determining a target parameter list according to the display state of the display image specifically includes:
Entering a test state, acquiring first actual characteristic data corresponding to the display image in the test state, and performing state analysis on the first actual characteristic data to acquire the fixed parameters;
after the test state is exited, second actual characteristic data corresponding to the display image is obtained, and the second actual characteristic data is matched with the test characteristic data;
and taking a current parameter list which corresponds to the second actual characteristic data and comprises the fixed parameters when the second actual characteristic data is matched with the test characteristic data as a target parameter list.
And when the second actual characteristic data is not matched with the test characteristic data, returning to execute the operation of reading the parameter list in the parameter list set according to the index value and sending the parameter list to the controller until the second actual characteristic data is matched with the test characteristic data or all the parameter lists are read in a traversing manner.
The first actual feature data and the second actual feature data are both feature data corresponding to the display image, and specifically may include: bright, off, brighter, red, green, blue, black, white, etc. Wherein the first actual characteristic data corresponds to a test state and the second actual characteristic data corresponds to an exit test state. The characteristic image can be generated by extracting characteristic attributes according to the display image of the current LED display screen. And matching the actual characteristic data corresponding to the displayed image with the test characteristic data, and if the matching is successful, indicating that the current parameter information is suitable for the LED display screen chip to be tested currently, and quitting the circular adaptation of the parameter list. If the matching fails, the parameter list in the parameter list set is continuously read according to the index value, and the parameter list is sent to the FPGA, namely, the parameter adapting process is repeatedly executed until the two are matched, namely, the matching is successful. Or ending the adaptation process until all parameter lists are traversed.
the parameter adaptation method of the LED display screen provided by the embodiment of the invention can realize automatic adaptation of parameters, so that the parameter configuration process is more convenient. The abnormal display of the LED display screen is avoided, the display effect of the LED display screen is better, and the user experience is improved.
on the basis of the embodiment, the method is finished by an automatic adaptive LED display screen system, and the automatic adaptive LED display screen system consists of two parts, namely an LED display screen image detection subsystem and an LED display screen parameter automatic adaptation subsystem in sequence. The LED display screen image detection subsystem is responsible for detecting the current test state of the LED display screen and whether the displayed image is displayed normally. The LED display screen parameter automatic adaptation subsystem is responsible for carrying out state testing on the LED display screen and setting FPGA parameters by writing the FPGA parameters into the FPGA. Can be briefly summarized as: the LED display screen parameter automatic adaption subsystem is responsible for providing tested parameters, and the LED display screen image detection system is used for judging whether the current parameters are matched with the current LED chip.
it should be noted that for the parameter information list part, the user must input the width of the module, because the uncertainty of this item will increase the adaptation efficiency and success rate of the present invention. The user can select and input information such as whether to use the 138 decoder, the type of the LED chip, the number of the inserted blank points and the like; if the user has no entries in these items, the respective different states can be dynamically combined. Therefore, the more information input by the user, the higher the adaptation efficiency and the higher the adaptation success rate. The parameter management module combines various states of the FPGA parameter information according to the parameter information input by the user and the parameter information not input so as to generate an FPGA parameter information list for the FPGA dynamic parameter testing module to use. And acquiring a parameter state value of the FPGA with parameter information initialized and fixed, and entering an FPGA dynamic parameter adaptation state. The FPGA dynamic parameter testing module writes the fixed FPGA parameter state value into the FPGA parameter setting module; and the FPGA parameter setting module transmits the parameters to the FPGA to complete the initialization of entering the FPGA dynamic parameter adaptation state. And the FPGA dynamic parameter testing module writes the parameter information related to the data polarity into the FPGA. The image acquisition and image recognition module captures the state of the LED display screen at the moment, analyzes the state information and feeds the state information back to the FPGA dynamic parameter testing module, and records the current parameter state information at the moment. And carrying out collaborative processing on the state information of the pixel point coordinate list of the OE polarity test, the color channel, the RGB controlled line height, the scanning type and the scanning table. And when the tracing is finished, exiting from the FPGA dynamic parameter adaptation state, entering into an acceptance part for characteristic image display, and detecting whether the current LED display screen is normally displayed. The parameter adaptation mode realizes automatic debugging of the LED display screen and provides convenience for users.
Example two
Fig. 2 is a schematic structural diagram of a parameter adaptation device for an LED display screen according to a second embodiment of the present invention, where the device may be implemented by software and/or hardware, and may execute the parameter adaptation method for an LED display screen according to the second embodiment of the present invention, where the device specifically includes: a list set generation module 210, a list reading module 220, and an image acquisition module 230.
A list set generating module 210, configured to generate a parameter list set including at least one group of parameter lists, and establish index values corresponding to the parameter lists one to one;
the list reading module 220 is configured to read the parameter list in the parameter list set according to the index value, and send the parameter list to a controller, where the controller is configured to control an LED display screen;
The image obtaining module 230 is configured to obtain a display image of the LED display screen, and determine a target parameter list according to a display state of the display image.
Further, the parameter list includes variable parameters and fixed parameters;
The variable parameters comprise the width of the display module, whether a 138 decoder is used, the type of the LED chip and the number of empty points inserted in one scanning; the fixed parameters include data polarity, OE polarity, color channel, a set of RGB controlled line heights, scanning type and a pixel point coordinate list of a scanning table.
further, the system also comprises an image construction module, which is specifically configured to:
Constructing a feature test image with a preset size, and generating feature data corresponding to the feature test image;
sending the characteristic data to a controller as test characteristic data;
correspondingly, the image acquisition module is specifically configured to:
Entering a test state, acquiring first actual characteristic data corresponding to the display image in the test state, and performing state analysis on the first actual characteristic data to acquire the fixed parameters;
exiting the test state, acquiring second actual characteristic data corresponding to the display image, and matching the second actual characteristic data with the test characteristic data;
and taking a current parameter list which corresponds to the second actual characteristic data and comprises the fixed parameters when the second actual characteristic data is matched with the test characteristic data as a target parameter list.
Further, the system further comprises a data matching module, which is specifically configured to:
and when the second actual characteristic data is not matched with the test characteristic data, returning to execute the operation of reading the parameter list in the parameter list set according to the index value and sending the parameter list to the controller until the second actual characteristic data is matched with the test characteristic data or all the parameter lists are read in a traversing manner.
Further, the system further comprises a parameter information acquisition module, which is specifically configured to:
Before the feature test image with the preset size is constructed, parameter information of a memory cache region is obtained, wherein the parameter information comprises width, height and pixel point number;
Correspondingly, the image construction module specifically comprises:
And constructing a characteristic test image with a preset size matched with the parameter information of the memory cache region.
The parameter adaptation device of the LED display screen can execute the parameter adaptation method of the LED display screen provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the parameter adaptation method of the LED display screen.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a computer device according to a third embodiment of the present invention. FIG. 3 illustrates a block diagram of an exemplary computer device 12 suitable for use in implementing embodiments of the present invention. The computer device 12 shown in FIG. 3 is only an example and should not impose any limitation on the scope of use or functionality of embodiments of the present invention.
as shown in FIG. 3, computer device 12 is in the form of a general purpose computing device. The components of computer device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
Bus 18 represents one or more of any of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. By way of example, such architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, micro-channel architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.
Computer device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by computer device 12 and includes both volatile and nonvolatile media, removable and non-removable media.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 3, and commonly referred to as a "hard drive"). Although not shown in FIG. 3, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
computer device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), with one or more devices that enable a user to interact with computer device 12, and/or with any devices (e.g., network card, modem, etc.) that enable computer device 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. Also, computer device 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network such as the Internet) via network adapter 20. As shown, network adapter 20 communicates with the other modules of computer device 12 via bus 18. It should be understood that although not shown in FIG. 3, other hardware and/or software modules may be used in conjunction with computer device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processing unit 16 executes various functional applications and data processing by running programs stored in the system memory 28, for example, implementing a parameter adaptation method for an LED display screen provided by the embodiment of the present invention:
That is, the processing unit implements, when executing the program:
generating a parameter list set comprising at least one group of parameter lists, and establishing index values corresponding to the parameter lists one by one;
reading the parameter list in the parameter list set according to the index value, and sending the parameter list to a controller, wherein the controller is used for controlling an LED display screen;
and acquiring a display image of the LED display screen, and determining a target parameter list according to the display state of the display image.
example four
A fourth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a method for adapting parameters of an LED display screen, according to the fourth embodiment of the present invention:
that is, the program when executed by the processor implements:
Generating a parameter list set comprising at least one group of parameter lists, and establishing index values corresponding to the parameter lists one by one;
Reading the parameter list in the parameter list set according to the index value, and sending the parameter list to a controller, wherein the controller is used for controlling an LED display screen;
and acquiring a display image of the LED display screen, and determining a target parameter list according to the display state of the display image.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. a parameter adaptation method of an LED display screen is characterized by comprising the following steps:
generating a parameter list set comprising at least one group of parameter lists, and establishing index values corresponding to the parameter lists one by one, wherein the parameter lists comprise fixed parameters and variable parameters;
reading the parameter list in the parameter list set according to the index value, and sending the parameter list to a controller, wherein the controller is used for controlling an LED display screen;
acquiring a display image of the LED display screen, and determining a target parameter list according to the display state of the display image;
constructing a feature test image with a preset size, and generating feature data corresponding to the feature test image;
sending the characteristic data to a controller as test characteristic data;
Correspondingly, the determining a target parameter list according to the display state of the display image specifically includes:
Entering a test state, acquiring first actual characteristic data corresponding to the display image in the test state, performing state analysis on the first actual characteristic data, and acquiring fixed parameters, wherein the fixed parameters comprise data polarity, OE polarity, color channels, a group of RGB-controlled line heights, scanning types and a pixel point coordinate list of a scanning table;
After the test state is exited, second actual characteristic data corresponding to the display image is obtained, and the second actual characteristic data is matched with the test characteristic data;
and taking a current parameter list which corresponds to the second actual characteristic data and comprises the fixed parameters when the second actual characteristic data is matched with the test characteristic data as a target parameter list.
2. The method of claim 1, wherein the variable parameters include display module width, whether 138 decoder is used, LED chip model, and number of blank dots to be inserted by a scan.
3. the method of claim 1, further comprising:
and when the second actual characteristic data is not matched with the test characteristic data, returning to execute the operation of reading the parameter list in the parameter list set according to the index value and sending the parameter list to the controller until the second actual characteristic data is matched with the test characteristic data or all the parameter lists are read in a traversing manner.
4. the method according to claim 1, further comprising, before said constructing a feature test image of a preset size:
Acquiring parameter information of a memory cache region, wherein the parameter information comprises width, height and pixel point number;
Correspondingly, the constructing of the feature test image with the preset size specifically includes:
and constructing a characteristic test image with a preset size matched with the parameter information of the memory cache region.
5. A parameter adapting device of an LED display screen is characterized by comprising:
The device comprises a list set generation module, a parameter list generation module and a parameter selection module, wherein the list set generation module is used for generating a parameter list set containing at least one group of parameter lists and establishing index values corresponding to the parameter lists one by one, and the parameter lists comprise fixed parameters and variable parameters;
the list reading module is used for reading the parameter list in the parameter list set according to the index value and sending the parameter list to a controller, and the controller is used for controlling the LED display screen;
the image acquisition module is used for acquiring a display image of the LED display screen and determining a target parameter list according to the display state of the display image;
The image construction module is used for constructing a feature test image with a preset size and generating feature data corresponding to the feature test image;
Sending the characteristic data to a controller as test characteristic data;
correspondingly, the image acquisition module is specifically configured to:
Entering a test state, acquiring first actual characteristic data corresponding to the display image in the test state, performing state analysis on the first actual characteristic data, and acquiring fixed parameters, wherein the fixed parameters comprise data polarity, OE polarity, color channels, a group of RGB-controlled line heights, scanning types and a pixel point coordinate list of a scanning table;
after the test state is exited, second actual characteristic data corresponding to the display image is obtained, and the second actual characteristic data is matched with the test characteristic data;
and taking a current parameter list which corresponds to the second actual characteristic data and comprises the fixed parameters when the second actual characteristic data is matched with the test characteristic data as a target parameter list.
6. the apparatus of claim 5, wherein the variable parameters include display module width, whether 138 decoder is used, LED chip model, and number of blank dots to be inserted by a scan.
7. computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the program, implements the method for parameter adaptation of a LED display screen according to any of claims 1-4.
8. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, carries out a method for parameter adaptation of a LED display screen according to any one of claims 1 to 4.
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| CN109274993B (en) * | 2018-10-31 | 2021-03-09 | 西安万像电子科技有限公司 | Data transmission method and device |
| CN109584783B (en) * | 2018-10-31 | 2020-07-17 | 北京凯视达科技有限公司 | Cell board parameter configuration method, device, medium and display screen control system |
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