CN102194402A - Programmable device for graph control of light-emitting diode (LED) display screen - Google Patents
Programmable device for graph control of light-emitting diode (LED) display screen Download PDFInfo
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- CN102194402A CN102194402A CN2010101223827A CN201010122382A CN102194402A CN 102194402 A CN102194402 A CN 102194402A CN 2010101223827 A CN2010101223827 A CN 2010101223827A CN 201010122382 A CN201010122382 A CN 201010122382A CN 102194402 A CN102194402 A CN 102194402A
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Abstract
The invention provides a programmable device for the graph control of a light-emitting diode (LED) display screen. The programmable device comprises a page preview module, a communication module, a design module, a file operation module and a display control module. The programmable device is connected with a display unit through an RS232 interface or an RS458 serial port and a network interface to realize the coding, display, sending and storage of a project object which comprises single-line text, multi-line text, a picture, a date clock and a time board and then realize a man-machine interactive interface function of a control system of the LED display screen.
Description
Technical field
The present invention relates to the Graphic Control System field, particularly a kind of programmable device that is applied to the control of LED display figure.
Background technology
Graphic Control System is a kind of switching and splicing that utilizes computer hardware and software integrated technology to drive the display device of bearing Presentation Function, to realize the control system of whole structures such as real time data, realtime graphic, real-time sound.Be illustrated in figure 1 as a kind of Graphic Control System 100 of led display unit, wherein terminating machine 110 is by RS232 interface 111, RS485 interface 112 or network interface 113 send data message to ARM control section 121, ARM control section 121 sends to FPGA control section 122 through corresponding the processing by the external bus expansion interface with the data that receive, the IO mouth of FPGA control section 122 expands to the slot of 2 50PIN, the slot of 50PIN is received on the interface card 30, interface card is used to connect control panel and display screen drive plate, to change into a plurality of 16PIN interfaces from the 50PIN interface of control panel, each 16PIN interface may command delegation LED display drive plate 140, a plurality of 16PIN interfaces are realized the expansion of a plurality of LED display 140.
The data flow of whole LED display screen control system 100 is processes from top to bottom, by terminating machine 110 to ARM control sections 121, to FPGA control section 122, arrives interface card 130 again, until the cell board 140 of multi-stage LED display screen.Can find out the Man Machine Interface of terminating machine 110 thus as total system, needing a kind of equipment can make terminating machine pass through Ethernet interface 113, RS232 interface 112 or RS485 interface 111 realizes and the communicating by letter of display device, the video data and the controlled variable of design are sent on the control section 120 so that display control section 120 can be correctly with data presentation to LED screen 140.But up to the present, also do not have a kind ofly can control in good time, and can carry out programmable control device with different control LED display pattern objects to the LED display figure.
Summary of the invention
The purpose of this invention is to provide a kind of programmable device that is applied to the control of LED display figure, realize and the communicating by letter of slave computer by Ethernet interface, RS232 interface or RS485 interface, the video data and the controlled variable of design are sent on the control card so that control card can be correctly with data presentation to the LED screen.
To achieve these goals, the present invention adopts following technical scheme:
A kind of programmable device that is applied to the control of LED display figure, be connected display unit with network interface to realize coding, demonstration, transmission and storage by RS232 interface or RS485 serial ports to engineering object, described engineering object comprises single file text, multiline text, picture, date clock and timing board, comprising:
The page preview module, this module is presented at displaying contents in the preview page according to page layout design, makes things convenient for the user to carry out the secondary development design, has supported the dynamic demonstration of design effect, comprises special efficacy and page change;
Communication module, adopt dual mode: RS232 serial ports or RS485 serial ports and Ethernet mode, program monitoring communications process is returned relevant information in communication process;
Design module, design module are mainly realized the editor of position, size, special efficacy, display speed of single file text, multiline text, image, clock object etc.Be implemented in the operation in the editing area;
The file operation module is saved in file with the display screen video data and the attribute data etc. of design; And realize reading, edit and work such as preservation of file that reading and saving is crossed;
The display screen control module realizes sending current display screen, sends all display screens, opening/closing display screen power supply, calibration display screen time, adjusts brightness, full frame test function by this module.
Described page preview module mainly links to each other with design module, and design module passes to its project data that needs of page preview module, and described page preview module utilizes time-event to refresh displaying contents, finishes special efficacy and shows.
Described communication module utilizes flow logic to realize communicating by letter between S232 interface or RS485 serial ports and network interface and the display unit, and described design module and display control module send corresponding data by this module.
Described design module is the core of each module, and it is operated with the foundation of file operation module object by this module and gets in touch, and gets in touch by sending data and communication module, and is mutual by data transfer and display control module.
Described file operation module connects described geographic information database, links to each other with design module, operation such as preserves and open according to file protocol.
Described display control module links to each other with design module, and design module is issued display control module to data, issues display unit by the display screen control module by communication module again.
Adopt a kind of programmable device that is applied to the control of LED display figure of the present invention, comprise: the page preview module, communication module, design module, the file operation module, display control module, be connected display unit with network interface to realize coding, demonstration, transmission and storage by RS232 interface or RS485 serial ports to engineering object, described engineering object comprises single file text, multiline text, picture, date clock and timing board, to reach the Man Machine Interface function as the LED display control system.Realization can be controlled the LED display figure in good time, also can carry out control able to programme with different control LED display pattern objects.
Description of drawings
Fig. 1 is the theory diagram that the present invention relates to existing LED display control system;
Fig. 2 is the theory diagram that is applied to the programmable device of LED display figure control of the present invention;
Fig. 3 is the structured flowchart that is applied to the programmable device of LED display figure control of the present invention.
Embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples, present embodiment describes with a kind of programmable device that is applied to the control of LED display figure.
With reference to Fig. 2, Fig. 2 has shown a kind of theory diagram that is applied to the programmable device 200 of LED display figure control.The described programmable device 200 that is applied to the control of LED display figure is connected display control section 12 to realize coding, demonstration, transmission and the storage to engineering object 210 by RS232 interface 112 or RS485 interface 111 with network interface 113, described engineering object comprises single file text 211, multiline text 222, picture 223, date clock 224 and timing board 225.Page preview module 33 is also by realizing for the engineering object data manipulation.Project data can be preserved in the mode of file, is easy to open editor.
Fig. 3 has shown a kind of structured flowchart that is applied to the programmable device 200 of LED display figure control.The described programmable device 200 that is applied to the control of LED display figure comprises: page preview module 23, communication module 24, design module 22, file operation module 21, display screen control module 25.
Design is presented at displaying contents in the preview page described page preview module 23 according to display screen page, makes things convenient for the user to carry out the secondary development design, has supported the dynamic demonstration of design effect, comprises special efficacy and page change.Page preview module in addition 23 also provides with minor function to be used for the developer:
TextOut () output character;
MoveTo () rolling mouse;
LineTo () setting-out is to point;
SelectObject () selects drawing instrument;
The control of OnTimer () display page.
Described page preview module 23 mainly is connected with design module 22, and design module 22 passes to page preview module 23 its input data that need.Described input data comprise that display page sum, current display page number, the current page residence time, current page stop the attribute and the content of the attribute of T.T., each static object and content, each dynamic object.By each object of each page and each page being traveled through and then can obtain the display message of page preview.Simultaneously, move up and down about the developer can be undertaken by the function that described page preview module 23 provides special efficacy and about four jiaos of special efficacys up and down.
Serial ports between described communication module 2 this programs realization LED display control programs 100 is communicated by letter with network interface.Utilize serial ports or the setting of network interface realization system, interim order control, the LED display control program is issued in the displaying contents packing.System's setting is communication mode and communication attributes to be set according to the display screen attribute, comprises baud rate, string slogan, IP address etc.Issue some control commands of display control program when interim order control is used for on-line debugging, as brightness, full frame test etc. are set.The LED display control program is issued in the displaying contents packing will content displayed be changed into the binary code transmission according to the communication protocol of formulating.Thereby logical design module 22 and display screen control module 25 all are to send corresponding data work by this module.
The editor of the position of described design module 22 main realization single file texts, multiline text, image, clock object, size, special efficacy, display speed etc.Being implemented in seen in the editing area is the gained operation.This module is divided into functions such as object initialization, object editing, form design, literal design, increase/deletion display screen or the page.The function that described design module 22 provides comprises:
M_select () chooses;
M_move () drags;
M_zoom () convergent-divergent;
M_new () is newly-built.
By these functions, the developer can realize the newly-built page, new Object, new files, drags object, edit literal, attribute modification, word and excl file edition function.Design module 22 is cores of each module, and it is set up by preservation opening operation and file operation module 21 and gets in touch, and gets in touch by sending data and communication module 24, sets up by data transfer and display screen control module and gets in touch.
Described file operation module 21 realize design documents preservation, open, newly-built operation.Described file operation module 21 mainly links to each other with design module 22, operation such as preserves and open according to file protocol.Opening operation; Project engineering file to be opened.The project data that the preservation of described file operation module 21 when input designs comprises engineering overall information, each object properties and content-data; The time open the demonstration and the corresponding data assignment of viewing area, target area, attribute area and preserve and preserved the file of data in output with certain protocol format.
The basic controlling that described display screen control module 25 realizes for display message.Send current display screen, send all display screens, opening/closing display screen power supply, calibration display screen time, adjust brightness, full frame test function.Described display screen control module 25 mainly is to give slave computer by event-triggered communication module 24 transmission control command words, again by controlling LED display 140 by control section 120.To adjust brightness is that example describes, when selecting to adjust the brightness menu, eject dialog box, the brightness value that selection is wanted, suppose to select No. 1 brightness, click and utilize response function by communication module 24 the order data 0x550101 of adjustment brightness to be issued control section 120 after determining, at this moment control section 120 will take out bid value, 1 grade of control display screen 140 brightness by decoded data.Described display screen control module 25 links to each other with design module 22, and design module 22 is issued display screen control module 25 to data, issues control section 120 by display screen control module 25 by communication module 24 again.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of above embodiment.
Claims (6)
1. one kind is applied to the programmable device that the LED display figure is controlled, be connected display unit with network interface to realize coding, demonstration, transmission and storage by RS232 interface or RS485 serial ports to engineering object, described engineering object comprises single file text, multiline text, picture, date clock and timing board, it is characterized in that, comprising:
The page preview module, this module is presented at displaying contents in the preview page according to page layout design, makes things convenient for the user to carry out the secondary development design, has supported the dynamic demonstration of design effect, comprises special efficacy and page change;
Communication module, adopt dual mode: RS232 serial ports or RS485 serial ports and Ethernet mode, program monitoring communications process is returned relevant information in communication process;
Design module, design module are mainly realized the editor of position, size, special efficacy, display speed of single file text, multiline text, image, clock object etc., are implemented in the operation in the editing area;
The file operation module is saved in file with the display screen video data and the attribute data etc. of design; And realize reading, edit and work such as preservation of file that reading and saving is crossed;
Display control module is realized sending current display screen, is sent all display screens, opening/closing display screen power supply, calibration display screen time, adjusts brightness, full frame test function by this module.
2. a kind of programmable device that is applied to the control of LED display figure as claimed in claim 1, it is characterized in that, described page preview module mainly links to each other with design module, design module passes to its project data that needs of page preview module, described page preview module utilizes time-event to refresh displaying contents, finishes special efficacy and shows.
3. a kind of programmable device that is applied to the control of LED display figure as claimed in claim 1, it is characterized in that, described communication module utilizes flow logic to realize communicating by letter between S232 interface or RS485 serial ports and network interface and the display unit, and described design module and display control module send corresponding data by this module.
4. a kind of programmable device that is applied to the control of LED display figure as claimed in claim 1, it is characterized in that, described design module is the core of each module, it is operated with the foundation of file operation module object by this module and gets in touch, get in touch by sending data and communication module, get in touch by data transfer and display control module.
5. a kind of programmable device that is applied to LED display figure control as claimed in claim 1 is characterized in that described file operation module connects and links to each other with design module, operation such as preserves and open according to file protocol.
6. a kind of programmable device that is applied to the control of LED display figure as claimed in claim 1, it is characterized in that, described display control module links to each other with design module, and design module is issued display control module to data, issues display unit by the display screen control module by communication module again.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101223827A CN102194402A (en) | 2010-03-11 | 2010-03-11 | Programmable device for graph control of light-emitting diode (LED) display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101223827A CN102194402A (en) | 2010-03-11 | 2010-03-11 | Programmable device for graph control of light-emitting diode (LED) display screen |
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| CN102194402A true CN102194402A (en) | 2011-09-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354285A (en) * | 2011-11-17 | 2012-02-15 | 北京大器智成技术有限公司 | Embedded graphical interface rapid development device and method |
| CN102637406A (en) * | 2012-02-24 | 2012-08-15 | 江苏海宝软件有限公司 | LED (light emitting diode) display design system and method |
| CN103068099A (en) * | 2011-10-19 | 2013-04-24 | 光远科技股份有限公司 | Dynamic light source design system and method thereof |
| CN110174977A (en) * | 2019-05-10 | 2019-08-27 | 环球雅途集团有限公司 | A kind of LED display control system for supporting real-time edition |
| CN110764454A (en) * | 2019-11-08 | 2020-02-07 | 深圳市正运动技术有限公司 | Winding control system and control method |
-
2010
- 2010-03-11 CN CN2010101223827A patent/CN102194402A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103068099A (en) * | 2011-10-19 | 2013-04-24 | 光远科技股份有限公司 | Dynamic light source design system and method thereof |
| CN102354285A (en) * | 2011-11-17 | 2012-02-15 | 北京大器智成技术有限公司 | Embedded graphical interface rapid development device and method |
| CN102637406A (en) * | 2012-02-24 | 2012-08-15 | 江苏海宝软件有限公司 | LED (light emitting diode) display design system and method |
| CN102637406B (en) * | 2012-02-24 | 2015-04-08 | 江苏海宝软件股份有限公司 | LED (light emitting diode) display design system and method |
| CN110174977A (en) * | 2019-05-10 | 2019-08-27 | 环球雅途集团有限公司 | A kind of LED display control system for supporting real-time edition |
| CN110764454A (en) * | 2019-11-08 | 2020-02-07 | 深圳市正运动技术有限公司 | Winding control system and control method |
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Application publication date: 20110921 |