CN117012143A - Point tracing method and point tracing system for LED display screen - Google Patents
Point tracing method and point tracing system for LED display screen Download PDFInfo
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- CN117012143A CN117012143A CN202311054280.XA CN202311054280A CN117012143A CN 117012143 A CN117012143 A CN 117012143A CN 202311054280 A CN202311054280 A CN 202311054280A CN 117012143 A CN117012143 A CN 117012143A
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- 239000011324 bead Substances 0.000 claims abstract description 25
- 238000013507 mapping Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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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]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a dot tracing method and a dot tracing system of an LED display screen, wherein the setting of the step S1 is to design a software interface corresponding to the physical LED chip arrangement of an actual LED lamp panel module so as to facilitate one-to-one correspondence when being observed by human eyes; step S2, setting is carried out so as to facilitate the subsequent drawing of the bright spot area; and S3, S4, the binding of the sequence address of the LED chip and the address of the actual lighting of the LED lamp panel module is determined by clicking the first-stage software interface, the LED chip is used as a clicking object, the lighting of a plurality of lamp beads can be completed by clicking once, the operation steps are simple, the operation time is greatly saved, and the pointing efficiency is effectively improved. The step S5 is set, so that the position of the lighted block on the LED lamp panel module correspondingly controlled by a certain LED chip can be displayed more intuitively. And step S6, setting so as to quickly calculate the coordinates of the lamp points and improve the point tracing efficiency. And setting in the step S7 so as to store all pin coordinate information, thereby realizing dotting.
Description
Technical Field
The invention relates to the technical field of LED display, in particular to a dot tracing method and a dot tracing system of an LED display screen.
Background
An LED display (LED display) is a device for displaying various information such as text, images, video signals, etc., and is being increasingly used due to its characteristics of high brightness, long life, large viewing angle, etc.
The display method of the existing LED display screen is generally realized by dot tracing; the lamp panel point drawing mode in the market at present is based on lamp point drawing and is displayed on an LED display screen in a mode of real-time communication with a lamp panel module. The lamp point drawing needs to mark the position of one lamp bead by clicking each lamp bead correspondingly once on a software interface mapped with the lamp point drawing, and each marked lamp bead position needs to tell the module the lamp bead position information. However, by adopting the dot tracing mode, hundreds or thousands of clicks are needed, the operation process is complicated, and the dot tracing efficiency is low.
Disclosure of Invention
The invention overcomes the defects of the technology and provides a dot tracing method and a dot tracing system of an LED display screen.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the embodiment of the invention discloses a dot tracing method of an LED display screen, which comprises the following steps:
step S1, designing a first-level software interface, wherein grid areas corresponding to the number and arrangement of LED chips on an LED lamp panel module are displayed on the first-level software interface, and carrying out first-level sequential numbering on grids of the grid areas;
step S2, designing a second-level software interface mapped with the LED chips on the LED lamp panel module;
step S3, drawing a bright spot area of a first LED chip on a second-stage software interface by taking a coordinate origin as a starting point according to the pin characteristics of the LED chip, so that all the lamp beads on an actual LED lamp panel module controlled by the LED chip are lighted, observing the lighted block positions of the lamp beads on the LED lamp panel module, and clicking the corresponding positions on the first-stage software interface according to the block positions to realize the binding of the sequential addresses of the LED chips and the addresses of the actual lighting of the LED lamp panel module;
step S4, drawing bright spot areas of the residual LED chips according to the number of chips and the chip placement sequence of the LED lamp panel module in a mode of the step S3 until the bright spot areas corresponding to all the LED chips on the LED lamp panel module are drawn, observing the positions of blocks where the lamp beads on the LED lamp panel module are lighted, and clicking the corresponding positions on a first-stage software interface according to the positions of the blocks so as to realize the binding of the sequential addresses of the residual LED chips and the addresses where the LED lamp panel module is actually lighted;
step S5, carrying out second-level sequential numbering on the LED lamp panel modules of which the bright spot areas are completely drawn according to the clicking sequence of the step S4 on the basis of the first-level sequential numbering;
s6, calculating the corresponding coordinates of each lamp point corresponding to the LED chip pins of the drawn bright spot area;
and S7, after the coordinates of the corresponding lamp points are assigned to all the chip pins, the calculated coordinate information of each lamp bead is sent to the lamp panel module controller at one time in a UDP (user datagram protocol) or serial port mode so as to realize the point tracing of the LED lamp panel module.
As another alternative embodiment, the first-stage sequence number in step S2 is: according to the number of the LED chips of the LED lamp panel module, numbering is carried out according to the sequence of counting from the first row from left to right, counting from the left to right after the digits on the rightmost side of the immediately preceding row.
As another optional implementation manner, the "drawing the bright spot area of the first LED chip on the second level software interface with the origin of coordinates as the starting point according to the pin characteristics of the LED chip so that all the beads on the actual LED lamp panel module controlled by the LED chip are lighted" in step S3 includes:
according to the pin number and pin arrangement of the LED chips, a bright spot area with the length of each row of pins of the LED chips and the width of each row of pins of the LED chips is drawn on a second-stage software interface by taking a coordinate origin as a starting point, and the bright spot area is mapped through a transmitter, so that all the lamp beads on an actual LED lamp panel module controlled by the LED chips are lighted.
As another alternative embodiment, the "calculating the corresponding coordinates of each light point corresponding to the LED chip pins of the drawn bright spot area" in step S6 includes:
firstly, acquiring coordinates corresponding to each pin of each LED chip according to the drawing sequence of the LED chips, wherein a coordinate calculation formula is as follows: x=l×m+n, where X represents a coordinate value, L represents a total pin number of the LED chip, M represents a second-stage sequential number corresponding to the LED chip, N is a pin number of the LED chip, and the second-stage sequential number starts counting from 0;
all coordinates of all pins of the first LED chip are calculated, and then all coordinates of all pins of the remaining LED chips are calculated according to the drawing sequence, so that coordinate information of each lamp bead is obtained.
As another alternative embodiment, the method further comprises:
and S8, when the LED display screen is provided with a plurality of LED lamp panel modules, repeating the steps S1-S7 to trace points of the rest LED lamp panel modules so as to realize the tracing points of the whole LED display screen.
The second aspect of the embodiment of the invention discloses a dot tracing system of an LED display screen, which comprises the following components:
the LED chip drawing unit 1 is used for drawing a bright spot area corresponding to the LED chip pin; the LED lamp panel module display unit 2 is used for displaying dot tracing interfaces corresponding to the number and the arrangement of the LED chips in the actual LED lamp panel module;
the bright spot area numbering unit 3 is used for marking the sequence numbers of the corresponding LED chips on the LED lamp panel module display unit 2, wherein the positions of the sequence number marks correspond to the positions of the blocks actually lighted by the LED chips;
the mapping unit 4 maps the LED chip drawing unit 1 with the LED chip of the actual LED lamp panel module to control the on-off of the actual LED lamp panel module in real time;
a calculating unit 5, configured to calculate a corresponding coordinate of each light point corresponding to the LED chip pin of the bright spot area drawn by the LED chip drawing unit 1, so as to obtain light point coordinate information;
and a control unit 6 for receiving and storing the lamp point coordinate information calculated by the calculation unit 1.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
1. in the step S1 of the first embodiment of the present invention, a software interface corresponding to the physical LED chip arrangement of the actual LED lamp panel module is designed so as to be in one-to-one correspondence when observed by human eyes; step S2, the related software interface is conveniently designed and mapped as the actual LED lamp panel module, so that the bright spot area can be conveniently drawn later; the step S3 and the step S4 are arranged, which block position on the LED lamp panel module is conveniently determined, which block position is actually controlled by all the LED chips, and the binding of the sequence address of the LED chips and the address which is actually lightened by the LED lamp panel module is determined by clicking the first-stage software interface. The setting in the step S5 can more intuitively display the position of the lighted block on the LED lamp panel module correspondingly controlled by a certain LED chip. And the setting of the step S6 is convenient for rapidly calculating the coordinates of the lamp points and improving the point tracing efficiency. And setting in the step S7 so as to store all the pin coordinate information, thereby realizing dotting.
2. According to the mapping unit provided by the embodiment of the invention, mapping can be realized through HDMI video communication technology, and the matching arrangement of all units on the pointing system is realized, so that the layout position of the whole lamp panel can be depicted in limited clicks, and high-efficiency and rapid pointing is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a dot tracing method of an LED display screen according to an embodiment of the invention;
FIG. 2 is a schematic illustration of a first level software interface not being second level sequentially numbered;
FIG. 3 is a schematic illustration of a first level software interface having been second level sequential numbered;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that the terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present invention are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the invention discloses a dotting method of an LED display screen, which can simplify the construction process of identification and improve the identification efficiency, and is favorable for accurately adjusting the identification method in the later period.
Example 1
Referring to fig. 1, fig. 1 is a schematic flow chart of a pointing method for an LED display screen according to an embodiment of the present invention. As shown in fig. 1, the method comprises the following steps:
step S1, designing a first-level software interface, wherein grid areas corresponding to the number and arrangement of LED chips on an LED lamp panel module are displayed on the first-level software interface, and carrying out first-level sequential numbering on grids of the grid areas; in specific implementation, the length of the grid area of the first-stage software interface is the number of each row of LED chips on the LED lamp panel module, and the width is the number of rows of the LED chips on the LED lamp panel module. As shown in the figure, the lattice area corresponding to the LED lamp panel module is 10 in length and 2 in width, and 20 LED chips are all arranged. The grid area is shown as: 20 grids, and are numbered in the order from the first row to the last row and from left to right, e.g., the first grid in the first row is numbered chip 1, the first grid is numbered chip 2, and so on, and the last grid in the last row is numbered chip 20.
And S2, designing a second-level software interface mapped with the LED chips on the LED lamp panel module, drawing color blocks corresponding to a certain LED chip, namely a bright spot area, on the second-level software interface, and lighting a lamp spot group on the LED lamp panel module controlled by the corresponding LED chip.
Step S3, according to the pin number and pin arrangement of the LED chips, drawing a bright spot area with the length of each row of pins of the LED chips and the width of each row of pins of the LED chips on a second-stage software interface by taking a coordinate origin as a starting point, mapping by a transmitter, so that all the lamp beads on an actual LED lamp panel module controlled by the LED chips are lighted, observing the lighted block positions of the lamp beads on the LED lamp panel module, and clicking the corresponding positions on a first-stage software interface according to the block positions, so as to realize the binding of the sequential addresses of the LED chips and the actual lighted addresses of the LED lamp panel module;
and S4, drawing out bright spot areas of the residual LED chips according to the number of chips and the chip placement sequence of the LED lamp panel module in a mode of the step S3 until the bright spot areas corresponding to all the LED chips on the LED lamp panel module are drawn out, observing the positions of blocks where the lamp beads on the LED lamp panel module are lighted, and clicking the corresponding positions on a first-stage software interface according to the positions of the blocks so as to realize the binding of the sequential addresses of the residual LED chips and the addresses where the LED lamp panel module is actually lighted.
Step S5, carrying out second-level sequential numbering on the LED lamp panel modules of which the bright spot areas are completely drawn according to the clicking sequence of the step S4 on the basis of the first-level sequential numbering;
in practical implementation, the LED chip is usually 16 pins, and the number of the pins in each row is 8, and the LED chip is divided into 2 rows; so according to this type of LED chip, a bright spot area having a length of 8 lattices and a width of 2 lattices should be drawn at the origin of the coordinates of the second level software interface, and the drawn bright spot area can be filled in with red for display at the second level software interface. Because the sequence of the LED chips produced by the lamp panel is fixed and the sequence cannot be known by normal means, when the bright spot area is drawn, human eyes are required to observe the position of a lighted block on the actual LED lamp panel module, and then click is carried out at the position corresponding to the position of the clicked block on the second-stage software interface; as shown in fig. 3, when the bright spot area of the first LED chip is drawn, the block position of the first row of the 6 th blocks, which is actually lit up on the LED lamp panel module, needs to be clicked at the position of the first level software interface, which is numbered as the chip 6, the position of the clicked chip 6 is displayed as "0", the "chip 6" represents the address where the LED lamp panel module is actually lit up, and the number "0" represents the sequential address of the first LED chip. Similarly, when the bright spot area of the second LED chip is drawn, the block position of the 10 th block of the second row needs to be clicked at the position of the chip 20 numbered on the first-level software interface, the clicked position of the chip 20 is displayed as "1", the chip 20 "represents the address where the LED lamp panel module is actually lighted, and the number" 1 "represents the sequential address of the second LED chip. Therefore, the binding of the sequence addresses of the remaining LED chips and the addresses of the actual lighting of the LED lamp panel module can be realized. We can record the order of the LED chips with the lamp panel module controller and exchange the chip addresses through this order in order to display a normal picture.
Step S6, firstly, acquiring coordinates corresponding to each pin of each LED chip according to the drawing sequence of the LED chips, wherein a coordinate calculation formula is as follows: x=l×m+n, where X represents a coordinate value, L represents a total pin number of the LED chip, M represents a second-stage sequential number corresponding to the LED chip, N is a pin number of the LED chip, and the second-stage sequential number starts counting from 0; all coordinates of all pins of the first LED chip are calculated, and then all coordinates of all pins of the remaining LED chips are calculated according to the drawing sequence, so that coordinate information of each lamp bead is obtained.
In specific implementation, assuming that the LED has 16 pins, after the first LED chip is drawn, the position of the lit block on the LED screen corresponds to the block labeled as "chip 2" on the first-stage software interface by observing manually, and then the coordinate value of the first pin of the first LED chip is x=16 (pin number) ×1 (counted from 0) +1=17, and the coordinate value of the last pin of the first LED chip is x=16×1+16=32. 17,18,19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,30,31,32, for all pin coordinates corresponding to the first LED chip.
And S7, after the coordinates of the corresponding lamp points are assigned to all the chip pins, the calculated coordinate information of each lamp bead is sent to the lamp panel module controller at one time in a UDP (user datagram protocol) or serial port mode so as to realize the point tracing of the LED lamp panel module. In specific implementation, the lamp panel module controller may refer to an LED lamp panel with publication number CN112634813B, a module controller, a configuration method thereof, and a module controller in an LED display screen control system.
And S8, when the LED display screen is provided with a plurality of LED lamp panel modules, repeating the steps S1-S7 to trace points of the rest LED lamp panel modules so as to realize the tracing points of the whole LED display screen.
As described above, in the step S1, a software interface corresponding to the physical LED chip arrangement of the actual LED lamp panel module is designed so as to be in one-to-one correspondence when observed by human eyes; step S2, the related software interface is conveniently designed and mapped as the actual LED lamp panel module, so that the bright spot area can be conveniently drawn later; the step S3 and the step S4 are arranged, which block position on the LED lamp panel module is conveniently determined, which block position is actually controlled by all the LED chips, and the binding of the sequence address of the LED chips and the address which is actually lightened by the LED lamp panel module is determined by clicking the first-stage software interface. The setting in the step S5 can more intuitively display the position of the lighted block on the LED lamp panel module correspondingly controlled by a certain LED chip. And the setting of the step S6 is convenient for rapidly calculating the coordinates of the lamp points and improving the point tracing efficiency. And setting in the step S7 so as to store all the pin coordinate information, thereby realizing dotting.
Example two
As shown in fig. 4, a pointing system of an LED display screen includes:
the LED chip drawing unit 1 is used for drawing a bright spot area corresponding to the LED chip pin; in the specific implementation, the number of pins of the LED chip can be input, and the number of pins of each row can be used for finishing the drawing of the bright spot area of the corresponding LED chip.
The LED lamp panel module display unit 2 is used for displaying dot tracing interfaces corresponding to the number and the arrangement of the LED chips in the actual LED lamp panel module;
the bright spot area numbering unit 3 is used for marking the sequence numbers of the corresponding LED chips on the LED lamp panel module display unit 2, wherein the positions of the sequence number marks correspond to the positions of the blocks actually lighted by the LED chips;
the mapping unit 4 maps the LED chip drawing unit 1 with the LED chip of the actual LED lamp panel module to control the on-off of the actual LED lamp panel module in real time; to facilitate determination of the location of the beads.
A calculating unit 5, configured to calculate a corresponding coordinate of each light point corresponding to the LED chip pin of the bright spot area drawn by the LED chip drawing unit 1, so as to obtain light point coordinate information;
and a control unit 6 for receiving and storing the lamp point coordinate information calculated by the calculation unit 1.
As described above, the LED chip drawing unit 1 is provided so as to draw a bright spot area according to LED chip pins. The LED lamp panel module display units 2 are convenient to correspond the LED lamp panel module display units 2 to actual LED lamp panel modules one by one; the bright spot area numbering unit 3 and the mapping unit 4 are arranged so as to facilitate the position of the lighted block on the LED lamp panel module correspondingly controlled by each LED chip; the calculating unit 5 is used for conveniently and rapidly calculating the coordinates of each lamp point and improving the point tracing efficiency; the control unit 6 is arranged to store all coordinate information and to implement the final pointing step.
As described above, the mapping unit 4 may implement mapping through HDMI video communication technology, and coordinate the setting of each unit on the pointing system, so that the layout position of the entire lamp panel may be traced after a limited number of clicks, thereby achieving efficient and rapid pointing.
The embodiment of the invention discloses a dot tracing method and a dot tracing system of an LED display screen, and specific examples are applied to illustrate the principle and the implementation mode of the invention, and the description of the above embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the idea of the present invention, the present disclosure should not be construed as limiting the present invention in summary.
Claims (6)
1. The dotting method of the LED display screen is characterized by comprising the following steps of:
step S1, designing a first-level software interface, wherein grid areas corresponding to the number and arrangement of LED chips on an LED lamp panel module are displayed on the first-level software interface, and carrying out first-level sequential numbering on grids of the grid areas;
step S2, designing a second-level software interface mapped with the LED chips on the LED lamp panel module;
step S3, drawing a bright spot area of a first LED chip on a second-stage software interface by taking a coordinate origin as a starting point according to the pin characteristics of the LED chip, so that all the lamp beads on an actual LED lamp panel module controlled by the LED chip are lighted, observing the lighted block positions of the lamp beads on the LED lamp panel module, and clicking the corresponding positions on the first-stage software interface according to the block positions to realize the binding of the sequential addresses of the LED chips and the addresses of the actual lighting of the LED lamp panel module;
step S4, drawing bright spot areas of the residual LED chips according to the number of chips and the chip placement sequence of the LED lamp panel module in a mode of the step S3 until the bright spot areas corresponding to all the LED chips on the LED lamp panel module are drawn, observing the positions of blocks where the lamp beads on the LED lamp panel module are lighted, and clicking the corresponding positions on a first-stage software interface according to the positions of the blocks so as to realize the binding of the sequential addresses of the residual LED chips and the addresses where the LED lamp panel module is actually lighted;
step S5, carrying out second-level sequential numbering on the LED lamp panel modules of which the bright spot areas are completely drawn according to the clicking sequence of the step S4 on the basis of the first-level sequential numbering;
s6, calculating the corresponding coordinates of each lamp point corresponding to the LED chip pins of the drawn bright spot area;
and S7, after the coordinates of the corresponding lamp points are assigned to all the chip pins, the calculated coordinate information of each lamp bead is sent to the lamp panel module controller at one time in a UDP (user datagram protocol) or serial port mode so as to realize the point tracing of the LED lamp panel module.
2. The method for pointing an LED display screen according to claim 1, wherein the first-stage serial number in step S2 is: according to the number of the LED chips of the LED lamp panel module, numbering is carried out according to the sequence of counting from the first row from left to right, counting from the left to right after the digits on the rightmost side of the immediately preceding row.
3. The method of pointing an LED display screen according to claim 1, wherein the step S3 of drawing the bright spot area of the first LED chip on the second level software interface with the origin of coordinates according to the pin characteristics of the LED chip, so that all the light beads on the actual LED lamp panel module controlled by the LED chip are lighted "includes:
according to the pin number and pin arrangement of the LED chips, a bright spot area with the length of each row of pins of the LED chips and the width of each row of pins of the LED chips is drawn on a second-stage software interface by taking a coordinate origin as a starting point, and the bright spot area is mapped through a transmitter, so that all the lamp beads on an actual LED lamp panel module controlled by the LED chips are lighted.
4. The method of pointing an LED display screen according to claim 1, wherein "calculating the corresponding coordinates of each light point corresponding to the LED chip pin of the drawn bright point area" in step S6 includes:
firstly, acquiring coordinates corresponding to each pin of each LED chip according to the drawing sequence of the LED chips, wherein a coordinate calculation formula is as follows: x=l×m+n, where X represents a coordinate value, L represents a total pin number of the LED chip, M represents a second-stage sequential number corresponding to the LED chip, N is a pin number of the LED chip, and the second-stage sequential number starts counting from 0;
all coordinates of all pins of the first LED chip are calculated, and then all coordinates of all pins of the remaining LED chips are calculated according to the drawing sequence, so that coordinate information of each lamp bead is obtained.
5. The pointing method of an LED display screen according to claim 1, further comprising:
and S8, when the LED display screen is provided with a plurality of LED lamp panel modules, repeating the steps S1-S7 to trace points of the rest LED lamp panel modules so as to realize the tracing points of the whole LED display screen.
6. A pointing system for an LED display screen, comprising:
the LED chip drawing unit (1) is used for drawing a bright spot area corresponding to the LED chip pin; the LED lamp panel module display unit (2) is used for displaying dot tracing interfaces corresponding to the number and arrangement of the LED chips in the actual LED lamp panel module;
the lighting area numbering unit (3) is used for marking the sequence numbers of the corresponding LED chips on the LED lamp panel module display unit (2), and the positions of the sequence number marks correspond to the positions of the blocks actually lighted by the LED chips;
the mapping unit (4) maps the LED chip drawing unit (1) with the LED chip of the actual LED lamp panel module to control the on-off of the actual LED lamp panel module in real time;
the calculating unit (5) is used for calculating the corresponding coordinates of each lamp point corresponding to the LED chip pins of the bright spot area drawn by the LED chip drawing unit (1) so as to obtain lamp point coordinate information;
and a control unit (6) for receiving and storing the lamp point coordinate information calculated by the calculation unit (1).
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