CN102522065A - LED display system and communication control method thereof - Google Patents
LED display system and communication control method thereof Download PDFInfo
- Publication number
- CN102522065A CN102522065A CN2011104395196A CN201110439519A CN102522065A CN 102522065 A CN102522065 A CN 102522065A CN 2011104395196 A CN2011104395196 A CN 2011104395196A CN 201110439519 A CN201110439519 A CN 201110439519A CN 102522065 A CN102522065 A CN 102522065A
- Authority
- CN
- China
- Prior art keywords
- instruction
- led display
- led
- video controller
- priority
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an LED display system and a communication control method thereof. The system comprises a host computer, an LED video controller and an LED display screen, wherein the host computer includes a control unit and an instruction priority arrangement unit; besides, the control unit is connected with the LED display screen by the LED video controller; and the control unit is connected with the LED video controller by the instruction priority arrangement unit. Moreover, the method comprises: the control unit sends control instructions to the instruction priority arrangement unit as well as priority values are set for all the control instructions; the instruction priority arrangement unit carries out arrangement on the control instructions according to the priority values; and the instruction priority arrangement unit takes out one control instruction with the maximum priority value and sends the control instruction with the maximum priority value to the LED video controller by an association channel. According to the LED display system employing the communication control method provided in the technical scheme in the invention, because a multichannel asynchronous communication control mode is used, a synchronous response can be realized when full screen output is carried out; meanwhile, when multitask operation is carried out, the system can respond normally.
Description
Technical field
The present invention relates to LED display technique field, be specifically related to a kind of LED display system and communication control method thereof.
Background technology
The LED display system generally comprises: video source terminal, LED display, LED Video Controller and control terminal.The video source terminal is connected with LED display through the LED Video Controller with control terminal.And exist a plurality of LED Video Controllers to connect the situation of a LED display in actual the use.
When on control terminal, carrying out a control operation at present, no matter be, all only support the communication of the single channel method of synchronization through network communication mode or serial communication mode.That is to say that synchronization can only carry out an instruction control operation on same link, just can carry out after the last instruction control operation of wait is accomplished so each present instruction control operation all need be blocked.And, need channel to switch when carrying out data interaction for the single channel synchronous communication control mode that existing LED display is adopted, cause control loaded down with trivial details; Can not sync response when carrying out full frame output adjustment; Simultaneously synchronous communication will cause problems such as network congestion, will directly have influence on the stability of total system then, cause controlling limited, network (port) takies, software interface phenomenons such as " seemingly-dead "; Even possibly cause the collapse of whole LED control system, therefore need to improve.
Summary of the invention
One of technical matters to be solved by this invention provides a kind of LED display system; It can overcome existing LED display system because adopt single channel synchronous communication control mode; Need channel to switch when carrying out data interaction; Cause control loaded down with trivial details, problem that can not sync response when carrying out full frame output adjustment.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of LED display system; Comprise: host computer, LED Video Controller and LED display; Host computer comprises control module; And steering order that control module is sent out according to priority limit the instruction prioritization unit of arranging, said control module is connected with LED display through the LED Video Controller; Said control module is connected with the LED Video Controller through instruction prioritization unit.
Two of technical matters to be solved by this invention is corresponding communication control methods that a kind of LED display system is provided; It can overcome existing LED display system because adopt single channel synchronous communication control mode; Need channel to switch when carrying out data interaction; Cause control loaded down with trivial details, problem that can not sync response when carrying out full frame output adjustment.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of communication control method of LED display system, it communicates control based on aforesaid a kind of LED display system, and this method comprises the steps:
S1), the control module sending controling instruction is to instructing the prioritization unit, and sets a priority valve for every steering order;
S2), instruction prioritization unit is arranged according to priority valve steering order;
S3), instruction prioritization unit takes out the maximum steering order of priority valve, is sent to each LED Video Controller through associated channel.
In the optimized technical scheme; Said step S3) in, after the intact steering order of the instruction every transmission in prioritization unit, needs to block replying of each associated channel of wait; Reply and just take out the maximum instruction of priority valve after all returning, be sent to each LED Video Controller through associated channel.
Further in the optimized technical scheme, in the said steering order, the priority valve that the control operation of LED display is instructed is the highest, secondly instructs for the demonstration adjustment, and minimum is the monitoring data command
The invention has the beneficial effects as follows:
Owing to use the method for multichannel asynchronous communication control mode as the LED display Control on Communication, when carrying out full frame output, can sync response; Simultaneously, when carrying out multi-job operation, system also can normally make response, can not occur controlling limited, the network port takies, interface phenomenons such as " seemingly-dead ".
Below in conjunction with accompanying drawing the present invention is made further detailed description.
Description of drawings
Fig. 1 is the block diagram of system of a kind of LED display system of the specific embodiment of the invention;
Fig. 2 is the process flow diagram of a kind of LED display system of specific embodiment of the invention communication control method;
Fig. 3 is the synoptic diagram of Priority Queues instruction in the specific embodiment of the invention.
Embodiment
A kind of LED display system in the specific embodiment of the invention is as shown in Figure 1; Comprise: host computer, LED Video Controller and LED display; Host computer comprises control module; And steering order that control module is sent out according to priority limit the instruction prioritization unit of arranging, said control module is connected with LED display through the LED Video Controller; Said control module is connected with the LED Video Controller through instruction prioritization unit.What this system adopted is the multichannel asynchronous communications, and a kind of effective LED display system communication control method is provided, and can effectively avoid the problem that exists in the prior art.
The communication control method of a kind of LED display system that this embodiment provides is as shown in Figure 2, and it communicates control based on aforesaid a kind of LED display system, and this method comprises the steps:
S1), the control module sending controling instruction is to instructing the prioritization unit, and sets a priority valve for every steering order.
During practical implementation; Can be LED PC control software packing sending controling instruction, limited weights are set for every steering order, the priority valve that wherein control operation of LED display is instructed be the highest; Secondly for showing the adjustment instruction, be the monitoring data command at last.Set steering order to be sent then and need send to the information of certain channel, the steering order that will have limited weights at last is pressed into the Priority Directive formation of instruction prioritization unit.
S2), instruction prioritization unit is arranged according to priority valve steering order.
S3), instruction prioritization unit takes out the maximum steering order of priority valve, is sent to the LED Video Controller through associated channel.
Steering order is after the prioritization cell scheduling is handled, and data are sent the mission thread steering order that the priority processing priority valve is bigger, and the steering order of taking-up is sent through each bar channel of setting.
In the optimized technical scheme; Said step S3) in; After the intact steering order of the instruction every transmission in prioritization unit, need to block and wait for replying of each associated channel, reply and all return the back control module steering order is handled; Instruct the prioritization unit to take out the maximum instruction of priority valve once more simultaneously, be sent to the LED Video Controller through associated channel; Otherwise this steering order is regarded as overtime.
Further in the optimized technical scheme, in the said steering order, the priority valve that the control operation of LED display is instructed is the highest, secondly instructs for the demonstration adjustment, and minimum is the monitoring data command
During realization, create a Priority Directive formation earlier, initial formation is empty; System packs to the instruction that will send, is pressed into the Priority Directive formation, and data are sent mission thread and kept watch on the transmission instruction queue; Whenever have new instruction to be pressed into the Priority Directive formation, data are sent mission thread will take out the maximum instruction of weights according to the right of priority size is preferential, and the channel through association sends; Under the network normal condition, when an instruction is accomplished in every transmission, need to block replying of each associated channel of wait; Reply all return after, will send next instruction according to the priority processing principle.
System when operation, be pressed into send instruction manipulation, data send task operating all the time oneself independently thread deal with, therefore, system's smooth operation under an asynchronous mode all the time can not cause obstruction.Send in the task processes in data, if processing is being blocked in certain obstructed or preceding instruction of certain channel constantly, other instruction in the formation is in waiting status, can not lose.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (4)
1. LED display system; Comprise: host computer, LED Video Controller and LED display; Host computer comprises control module, and said control module is connected with LED display through the LED Video Controller, it is characterized in that; Said host computer also comprises according to priority limits the instruction prioritization unit of arranging to steering order that control module is sent out, and said control module is connected with the LED Video Controller through instruction prioritization unit.
2. the communication control method of a LED display system, it communicates control based on the described a kind of LED display system of claim 1, and this method comprises the steps:
S1), the control module sending controling instruction is to instructing the prioritization unit, and sets a priority valve for every steering order;
S2), instruction prioritization unit is arranged according to priority valve steering order;
S3), instruct the prioritization unit to take out the maximum steering order of priority valve, through parallel each the LED Video Controller that is sent to of associated channel.
3. the communication control method of a kind of LED display system as claimed in claim 2; It is characterized in that; Said step S3) in, instruction prioritization unit has not sent after the steering order, needs to block replying of each associated channel of wait; Reply and take out the maximum instruction of next bar priority valve after all returning again, through parallel each the LED Video Controller that is sent to of associated channel.
4. like the communication control method of claim 2 or 3 described a kind of LED display systems; It is characterized in that in the said steering order, the priority valve that the control operation of LED display is instructed is the highest; Secondly for showing the adjustment instruction, minimum is the monitoring data command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104395196A CN102522065A (en) | 2011-12-23 | 2011-12-23 | LED display system and communication control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104395196A CN102522065A (en) | 2011-12-23 | 2011-12-23 | LED display system and communication control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102522065A true CN102522065A (en) | 2012-06-27 |
Family
ID=46292963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104395196A Pending CN102522065A (en) | 2011-12-23 | 2011-12-23 | LED display system and communication control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102522065A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024459A (en) * | 2012-12-07 | 2013-04-03 | 安科智慧城市技术（中国）有限公司 | Method and device for controlling television-wall output orderly and playing system |
| CN103413518A (en) * | 2013-07-03 | 2013-11-27 | 深圳市奥拓电子股份有限公司 | LED display screen system, and method of controlling signal source safety |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1383511A (en) * | 1998-11-16 | 2002-12-04 | 因芬尼昂技术股份公司 | Memory controller which increases bus utilization by reordering memory requests |
| CN1862515A (en) * | 2005-05-11 | 2006-11-15 | 松下电器产业株式会社 | Data trnasfer apparatus, data transfer method, and program |
| CN101719309A (en) * | 2009-11-17 | 2010-06-02 | 西安诺瓦电子科技有限公司 | System and method for monitoring running state of intelligent LED display |
| CN101916556A (en) * | 2010-07-28 | 2010-12-15 | 湖南创图视维科技有限公司 | Three-dimensional screen splicing display system and method |
| CN102012796A (en) * | 2010-11-19 | 2011-04-13 | 广东威创视讯科技股份有限公司 | Spliced wall control command transmission method and device |
-
2011
- 2011-12-23 CN CN2011104395196A patent/CN102522065A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1383511A (en) * | 1998-11-16 | 2002-12-04 | 因芬尼昂技术股份公司 | Memory controller which increases bus utilization by reordering memory requests |
| CN1862515A (en) * | 2005-05-11 | 2006-11-15 | 松下电器产业株式会社 | Data trnasfer apparatus, data transfer method, and program |
| CN101719309A (en) * | 2009-11-17 | 2010-06-02 | 西安诺瓦电子科技有限公司 | System and method for monitoring running state of intelligent LED display |
| CN101916556A (en) * | 2010-07-28 | 2010-12-15 | 湖南创图视维科技有限公司 | Three-dimensional screen splicing display system and method |
| CN102012796A (en) * | 2010-11-19 | 2011-04-13 | 广东威创视讯科技股份有限公司 | Spliced wall control command transmission method and device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024459A (en) * | 2012-12-07 | 2013-04-03 | 安科智慧城市技术（中国）有限公司 | Method and device for controlling television-wall output orderly and playing system |
| CN103413518A (en) * | 2013-07-03 | 2013-11-27 | 深圳市奥拓电子股份有限公司 | LED display screen system, and method of controlling signal source safety |
| CN103413518B (en) * | 2013-07-03 | 2016-04-20 | 深圳市奥拓电子股份有限公司 | A kind of method of LED display screen system and control signal source safety thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101354664B (en) | Method and apparatus for interrupting load equilibrium of multi-core processor | |
| KR102170344B1 (en) | Ground stations, unmanned aerial vehicles, and communication systems and methods between ground stations and unmanned aerial vehicles | |
| US9176919B2 (en) | Process controller having multi-channel serial communications link | |
| CN102195845B (en) | Method, device and equipment for realizing active-standby switching of main control board | |
| KR102119418B1 (en) | Communication system, communication device and communication method | |
| US20120102482A1 (en) | Method for Communication System Service Upgrade and Upgrade Container Device Thereof | |
| CN102855156B (en) | Interrupt controller and interrupt controlling method | |
| US10033546B2 (en) | Method and system for reprogramming | |
| CN104904169A (en) | Adjusting thread priority to improve throughput between peer-to-peer (P2P) devices | |
| CN102522065A (en) | LED display system and communication control method thereof | |
| CN100589393C (en) | A method for realizing dual-protocol stack switching based on network card | |
| CN103441879A (en) | Method and device for switching network channels | |
| CN101645051B (en) | GPIO interrupt control device, chip and GPIO interrupt control method | |
| CN101630974A (en) | High-speed mass data transfer system and implementation method thereof | |
| JP2008146357A (en) | Programmable controller and support device thereof | |
| CN110518978B (en) | Hybrid data transmission assembly based on optical fiber link | |
| CN101841659A (en) | Method for controlling authority of heterogeneous video front-end equipment | |
| CN101193092A (en) | Network device and its data synchronization transmission method | |
| CN202796003U (en) | Dual master control redundant system of light-emitting diode (LED) display screen | |
| EP2447824A1 (en) | Data remote synchronization system | |
| CN101931467A (en) | External optical fiber Bypass equipment and optical signal channel switching method | |
| CN101170780B (en) | Method for dual mode terminal to prevent from current backflow between two radio modules | |
| CN102332948A (en) | Method and system for controlling main micro/nano satellite communication | |
| CN103179087A (en) | Asynchronous Socket data transmission method and system from application layer to transmission control protocol (TCP) layer | |
| CN102426538B (en) | Interrupt response device and method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120627 |