CN107452325A - The processing implementation method that a kind of lamp bar row pipe is placed vertically - Google Patents
The processing implementation method that a kind of lamp bar row pipe is placed vertically Download PDFInfo
- Publication number
- CN107452325A CN107452325A CN201710580916.2A CN201710580916A CN107452325A CN 107452325 A CN107452325 A CN 107452325A CN 201710580916 A CN201710580916 A CN 201710580916A CN 107452325 A CN107452325 A CN 107452325A
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- Prior art keywords
- lamp bar
- formula
- card
- data
- placed vertically
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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]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
Abstract
The invention provides the processing implementation method that a kind of lamp bar row pipe is placed vertically, methods described specifically includes following steps：S11, card is received according to every group of data institute band load height of actual LED module, the picture of video data is cut into subregion, determines the video pictures position of every group of data institute band；S12, it will calculate storage address in lamp plate scanning number and folds data input formula one and be stored；S13, by address formula reading cache data is read, the lamp bar that row pipe is placed vertically is converted into conventional lamp plate and carries out hardware circuit scanning；This above method increases the band section product for receiving card, then the reception card number used in final LED large-size screen monitors greatly reduces, hence it is evident that can reduce hardware cost；The null point number of introducing can be effectively reduced, improves LED screen maximum refresh rate；The control software of upper PC is made general, can flexibly support different types of lamp plate, reduce development time and the development difficulty of control system program, meanwhile, for LED screen factory, greatly shorten the time for consigning to client.
Description
Technical field
The present invention relates to technical field of LED display, more particularly to the processing implementation method that a kind of lamp bar row pipe is placed vertically.
Background technology
LED screen is flexible with the splicing of its LED module, area can arbitrary size, brightness is high, and visibility is wide, and detachable maintaining
It is convenient, it is used widely in practice.When former New LED screen：In order to increase light transmittance, and lamp plate is made into lamp bar,
Pipe places lamp bar vertically at once, and the row pipe is lamp bar interface.This lamp bar and the hardware circuit scan mode of conventional lamp plate have very big
Difference.
And core and soul as LED display -- LED control systems, it can support and handle this kind of special drive
Dynamic lamp plate, and which kind of processing method is used, it will directly decide that can lamp plate normally show and play video pictures；Finally,
The quality of implementation, also by the final flexibility for determining control system program, and this is related to exploitation and the dimension of control system
Protect difficulty.
This kind of special lamp plate, processing scheme of the current control system to this lamp plate are placed vertically for row pipe：By rotation
Processing.The program has two big shortcomings：First, band loading point number is restricted so that single reception card can not more count with carrying；Two
If being that lamp plate is special, data group number is more, then can introduce many invalid datas so that LED screen video refresh rate is very low, display effect
It is very poor, so as to not reach the requirement of client.
The content of the invention
To solve problem above, the invention provides a kind of band section product for increasing and receiving and blocking, hence it is evident that can reduce hardware
The processing implementation method that a kind of lamp bar row pipe of cost is placed vertically.
Technical scheme is as follows：
The processing implementation method that a kind of lamp bar row pipe is placed vertically, it is based on a kind of LED display control system, and the row pipe is lamp bar
Interface, the LED display control system includes upper PC, sending card, receives card and LED display, according to LED display
Lamp bar cabling mode, configuration information is set in the control software of upper PC, and issues serial port command to hair by serial ports
Card feed；Sending card is connected with video source receives its video data, and serial port command and video data are packaged into network bag, receives
Card carries out data parsing to network bag, and the configuration parameter generation drive waveforms for generating correlation export the lamp bar placed vertically to each row pipe,
Light LED display and show video pictures, methods described specifically includes following steps：
S11, card is received according to every group of LED module data institute band load video pictures height, video pictures are cut into subregion, determined
Every group of LED module data with the video pictures position carried；
S12, according to the storage address that each lamp bar is calculated in formula one and stored,
wraddr{0,...,Sn×N-1} = {S1,S1×1, S1×2, S1×3, ..., S1×n,...,S1×N;
S2,S2×1, S2×2, S2×3, ..., S2×n,...,S2×N;......,Sn,Sn×1, Sn×2, Sn×3,
..., Sn × n ..., Sn × N } formula one
In formula, for n to receive card input data count value, Sn is sweeping for reception card when input data count value is n
Number is retouched, N is not scan lamp bar number；
S13, according to the reading address formula reading cache data of formula two, the lamp bar that row pipe is placed vertically is converted into conventional lamp plate and entered
Row hardware circuit scans；
Rdaddr { 0 ..., Sn × N-1 }=0,1,2 ..., n ..., Sn × N-1 } formula two.
Wherein, configuration information is set in control software, specifically includes following steps：
S01, the video pictures width and height that LED module data are set, driving chip type and model, and and row signal
Decoded mode；
S02, the folds number Z for determining single led module and scanning number Sn information；
S03, by bar described point information, determine that actual lamp bar wiring board walks line function；
S04, by lamp bar finish message into configuration information, be handed down to sending card.
Wherein, it is specially S1=S1 (n) formula three that lamp bar wiring board, which walks line function,；
In formula, n is to receive card input data count value, n=0,1,2 ... ..., W-1, W ... ..., and 2W-1,
2W,……, (Z-1)×W-1,(Z-1)×W,……,Z×W-1 }；The value of the corresponding n-th inputs of S1 (n)；
S2=S2 × S1 (n)=[S1/W]+((S1%) × W) × Z formula four
(0 in formula<N≤Z × (W-1)), wherein Z is folds number, and S is scanning number, and W is LED module width, and Sn is input number meter
Scanning number when numerical value is n.
Beneficial effects of the present invention are as follows：
1st, the band section product for receiving card is increased, then the reception card number used in final LED large-size screen monitors greatly reduces, hence it is evident that can reduce
Hardware cost；
2nd, the null point number of introducing can be effectively reduced, improves LED screen maximum refresh rate；
3rd, the control software of upper PC is made general, can flexibly support different types of lamp plate, reduces control system program
Development time and development difficulty, meanwhile, for LED screen factory, greatly shorten the time for consigning to client.
Embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with the preferred reality of the present invention
Example is applied to be described in detail.
The processing implementation method that a kind of lamp bar row pipe is placed vertically, it is based on a kind of LED display control system, and the row pipe is
Lamp bar interface, the LED display control system include upper PC, sending card, receive card and LED display, shown according to LED
The lamp bar cabling mode of display screen, configuration information is set in the control software of upper PC, and serial port command is issued by serial ports
To sending card；Sending card is connected with video source receives its video data, and serial port command and video data are packaged into network bag,
Receive card and data parsing is carried out to network bag, the configuration parameter generation drive waveforms for generating correlation export the lamp placed vertically to each row pipe
Bar, light LED display and show video pictures, methods described specifically includes following steps：
S11, card is received according to every group of LED module data institute band load video pictures height, video pictures are cut into subregion, determined
Every group of LED module data with the video pictures position carried；
S12, according to the storage address that each lamp bar is calculated in formula one and stored,
wraddr{0,...,Sn×N-1} = {S1,S1×1, S1×2, S1×3, ..., S1×n,...,S1×N;
S2,S2×1, S2×2, S2×3, ..., S2×n,...,S2×N;......,Sn,Sn×1, Sn×2, Sn×3,
..., Sn × n ..., Sn × N } formula one
In formula, for n to receive card input data count value, Sn is sweeping for reception card when input data count value is n
Number is retouched, N is not scan lamp bar number；
S13, according to the reading address formula reading cache data of formula two, the lamp bar that row pipe is placed vertically is converted into conventional lamp plate and entered
Row hardware circuit scans；
Rdaddr { 0 ..., Sn × N-1 }=0,1,2 ..., n ..., Sn × N-1 } formula two.
Above method increases the band section product for receiving card, then the reception card number used in final LED large-size screen monitors greatly reduces, hence it is evident that
Hardware cost can be reduced；The null point number of introducing can be effectively reduced, improves LED screen maximum refresh rate.
Specifically, configuration information is set in control software, specifically includes following steps：
S01, the video pictures width and height that LED module data are set, driving chip type and model, and and row signal
Decoded mode；
S02, the folds number Z for determining single led module and scanning number Sn information；
S03, by bar described point information, determine that actual lamp bar wiring board walks line function；
S04, by lamp bar finish message into configuration information, be handed down to sending card.
Specifically, it is specially S1=S1 (n) formula three that lamp bar wiring board, which walks line function,；
In formula, n is to receive card input data count value, n=0,1,2 ... ..., W-1, W ... ..., and 2W-1,
2W,……, (Z-1)×W-1,(Z-1)×W,……,Z×W-1 }；The value of the corresponding n-th inputs of S1 (n)；
Output function is S2=S2 × S1 (n)=[S1/W]+((S1%) × W) × Z formula four
(0 in formula<N≤Z × (W-1)), wherein Z is folds number, and S is scanning number, and W is LED module width, and Sn is input number meter
Scanning number when numerical value is n.The control software of upper PC is made general, can flexibly support different types of lamp plate, reduce control
The development time of system program processed and development difficulty, meanwhile, for LED screen factory, greatly shorten the time for consigning to client.
It is described above, for the person of ordinary skill of the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (3)
1. the processing implementation method that a kind of lamp bar row pipe is placed vertically, it is based on a kind of LED display control system, and the row pipe is lamp
Bar interface, the LED display control system include upper PC, sending card, receive card and LED display, shown according to LED
The lamp bar cabling mode of screen, sets configuration information in the control software of upper PC, and by serial ports issue serial port command to
Sending card；Sending card is connected with video source receives its video data, and serial port command and video data are packaged into network bag, connects
Receive card and data parsing is carried out to network bag, the configuration parameter generation drive waveforms for generating correlation export the lamp placed vertically to each row pipe
Bar, light LED display and show video pictures, it is characterised in that methods described specifically includes following steps：
S11, card is received according to every group of LED module data institute band load video pictures height, video pictures are cut into subregion, determined
Every group of LED module data with the video pictures position carried；
S12, according to the storage address that each lamp bar is calculated in formula one and stored,
wraddr{0,...,Sn×N-1} = {S1,S1×1, S1×2, S1×3, ..., S1×n,...,S1×N;
S2,S2×1, S2×2, S2×3, ..., S2×n,...,S2×N;......,Sn,Sn×1, Sn×2, Sn×3,
..., Sn × n ..., Sn × N } formula one
In formula, for n to receive card input data count value, Sn is sweeping for reception card when input data count value is n
Number is retouched, N is not scan lamp bar number；
S13, according to the reading address formula reading cache data of formula two, the lamp bar that row pipe is placed vertically is converted into conventional lamp plate and entered
Row hardware circuit scans；
Rdaddr { 0 ..., Sn × N-1 }=0,1,2 ..., n ..., Sn × N-1 } formula two.
2. the processing implementation method that a kind of lamp bar row pipe according to claim 1 is placed vertically, it is characterised in that in control software
Middle setting configuration information, specifically includes following steps：
S01, the video pictures width and height that LED module data are set, driving chip type and model, and and row signal
Decoded mode；
S02, the folds number Z for determining single led module and scanning number Sn information；
S03, by bar described point information, determine that actual lamp bar wiring board walks line function；
S04, by lamp bar finish message into configuration information, be handed down to sending card.
3. the processing implementation method that a kind of lamp bar row pipe according to claim 1 is placed vertically, it is characterised in that lamp bar wiring board
It is specially S1=S1 (n) formula three to walk line function；
In formula, n is to receive card input data count value, n=0,1,2 ... ..., W-1, W ... ..., and 2W-1,
2W,……, (Z-1)×W-1,(Z-1)×W,……,Z×W-1 }；The value of the corresponding n-th inputs of S1 (n)；
Output function is S2=S2 × S1 (n)=[S1/W]+((S1%) × W) × Z formula four
(0 in formula<N≤Z × (W-1)), wherein Z is folds number, and S is scanning number, and W is LED module width, and Sn is input number meter
Scanning number when numerical value is n.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710580916.2A CN107452325B (en) | 2017-07-17 | 2017-07-17 | A kind of processing implementation method that lamp bar row pipe is placed vertically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710580916.2A CN107452325B (en) | 2017-07-17 | 2017-07-17 | A kind of processing implementation method that lamp bar row pipe is placed vertically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452325A true CN107452325A (en) | 2017-12-08 |
| CN107452325B CN107452325B (en) | 2019-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710580916.2A Active CN107452325B (en) | 2017-07-17 | 2017-07-17 | A kind of processing implementation method that lamp bar row pipe is placed vertically |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128070A (en) * | 2020-01-16 | 2020-05-08 | 上海仰邦科技股份有限公司 | Method and system for obtaining resolution of LED dot matrix display screen |
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| CN201859616U (en) * | 2010-10-26 | 2011-06-08 | 深圳市欣瑞光电子有限公司 | Vertically arranged lamp strip type LED screen |
| US8350788B1 (en) * | 2007-07-06 | 2013-01-08 | Daktronics, Inc. | Louver panel for an electronic sign |
| CN203966517U (en) * | 2014-07-24 | 2014-11-26 | 西安诺瓦电子科技有限公司 | LED shows module, control system and LED display system |
| US20160224306A1 (en) * | 2015-01-30 | 2016-08-04 | Cirrus Systems, Inc. | Modular Display System with Automatic Locating Features |
| CN106356020A (en) * | 2015-07-13 | 2017-01-25 | 西安诺瓦电子科技有限公司 | LED display screen display control method and image data segmentation method |
-
2017
- 2017-07-17 CN CN201710580916.2A patent/CN107452325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8350788B1 (en) * | 2007-07-06 | 2013-01-08 | Daktronics, Inc. | Louver panel for an electronic sign |
| CN201859616U (en) * | 2010-10-26 | 2011-06-08 | 深圳市欣瑞光电子有限公司 | Vertically arranged lamp strip type LED screen |
| CN203966517U (en) * | 2014-07-24 | 2014-11-26 | 西安诺瓦电子科技有限公司 | LED shows module, control system and LED display system |
| US20160224306A1 (en) * | 2015-01-30 | 2016-08-04 | Cirrus Systems, Inc. | Modular Display System with Automatic Locating Features |
| CN106356020A (en) * | 2015-07-13 | 2017-01-25 | 西安诺瓦电子科技有限公司 | LED display screen display control method and image data segmentation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128070A (en) * | 2020-01-16 | 2020-05-08 | 上海仰邦科技股份有限公司 | Method and system for obtaining resolution of LED dot matrix display screen |
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| CN107452325B (en) | 2019-07-30 |
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