CN113747206B - Data feedback control method and system, display screen controller and display control card - Google Patents
Data feedback control method and system, display screen controller and display control card Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000012544 monitoring process Methods 0.000 claims abstract description 319
- 230000004044 response Effects 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2408—Monitoring of the upstream path of the transmission network, e.g. client requests
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
-
- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention relates to a data backhaul control method, which comprises the following steps: receiving a monitoring broadcast packet; transmitting the monitoring broadcast packet to at least one display control card, so that the at least one display control card outputs a monitoring broadcast reply packet in response to the monitoring broadcast packet; continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a first storage area; responding to the first storage area as a first storage state; transmitting a pause broadcast packet to at least one display control card, to pause outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause broadcast packet; reading a monitoring broadcast reply packet stored in a first storage area; processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet; and outputting the target monitoring broadcast reply packet. The embodiment of the invention ensures the integrity of the received data.
Description
Technical Field
The invention relates to the field of LED display screen control, in particular to a data feedback control method and system, a display screen controller and a display control card.
Background
Along with the rapid development of the LED display screen market and the improvement of the speed of a communication link, a display screen control link (an upper computer-display screen controller-display control card) is provided with a plurality of display control cards from one display screen controller to a plurality of display screen controllers provided with display control cards with larger data levels, so that whether upper computer software can accurately and rapidly control each display control card becomes a judgment standard for determining the intellectualization of the whole system. In order to enhance the stability of the whole link and improve the response speed of instructions, the flow control of the LED display screen control system is needed.
The current flow control technology applied to the LED display screen control system generally adopts a TCP flow control protocol, and uses a window size field in a TCP message segment to control, wherein the sending window of a sender cannot be larger than the window size sent back by a receiver. However, the TCP flow control protocol is aimed at the device-to-device connection, and after the TCP flow control protocol is applied to the serial link structure of a single display screen controller of an LED display screen control system to a plurality of display control cards, the single display screen controller can only access the single display control card under the LED display screen control system, and cannot access the plurality of display control cards at the same time, so that the stability of flow control between the display screen controller and the display control cards cannot be ensured, and the integrity of received data cannot be ensured.
Disclosure of Invention
Therefore, to overcome the defects and shortcomings of the prior art, the embodiments of the present invention provide a data backhaul control method, a display screen controller, a display control card, a data backhaul control system, and a computer readable storage medium.
In one aspect, the data backhaul control method provided by the embodiment of the present invention is applicable to a display screen controller in an LED display screen control system, where the display screen controller is electrically connected to at least one display control card, and the data backhaul control method includes: receiving a monitoring broadcast packet; transmitting the monitoring broadcast packet to the at least one display control card, so that the at least one display control card responds to the monitoring broadcast packet to output a monitoring broadcast reply packet; continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a first storage area; transmitting a pause broadcast packet to the at least one display control card in response to the first storage area being in a first storage state, to pause outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause broadcast packet; reading the monitoring broadcast reply packet stored in the first storage area; processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet; and outputting the target monitoring broadcast reply packet.
In the prior art, a single display screen controller can only access a single display control card under the LED display screen control system, cannot access a plurality of display control cards at the same time, cannot guarantee the stability of flow control between the display screen controller and the display control cards, and cannot guarantee the integrity of received data; and the invention transmits the broadcast reply packet and receives the broadcast reply packet responded to the broadcast packet, and then stores the reply packet in the first storage area, when the first storage area is in the first storage state, the invention transmits the pause output broadcast reply packet to the display control card, and reassembles and outputs the broadcast reply packet in the first storage area, thus ensuring the success of transmitting the instruction, and further improving the stability of the system and the integrity of the data.
In one embodiment of the present invention, after outputting the target monitoring broadcast reply packet, the method further includes: transmitting a pause release broadcast packet to the at least one display control card in response to the first storage area being in a second storage state, so that the at least one display control card continues to output the monitoring broadcast reply packet in response to the pause release broadcast packet; and continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a second storage area.
In one embodiment of the present invention, after the storing the received monitoring broadcast reply packet in the second storage area, the method further includes: and transmitting the pause broadcast packet to the at least one display control card in response to the second storage area being in a third storage state.
In one embodiment of the present invention, after the sending of the pause broadcast packet to the at least one display control card, the method further comprises: and storing the monitoring broadcast reply packet received after the pause broadcast packet is sent out to the second storage area.
On the other hand, in one embodiment of the present invention, the data backhaul control method provided in the embodiment of the present invention is applicable to a display control card in an LED display screen control system, where the display control card is electrically connected to a display screen controller, and the data backhaul control method includes: receiving a monitoring broadcast packet; generating a first monitoring broadcast reply packet in response to the monitoring broadcast packet, and storing the first monitoring broadcast reply packet in a first packet returning storage area; responding to the fact that the next-stage display control card does not input a second monitoring broadcast reply packet, reading the first monitoring broadcast reply packet stored in the first return packet storage area, and outputting the first monitoring broadcast reply packet to a display screen controller; and responding to the input of the second monitoring broadcast reply packet by the next-stage display control card, storing the input second monitoring broadcast reply packet into a second packet returning storage area, reading the second monitoring broadcast reply packet stored in the second packet returning storage area, outputting the second monitoring broadcast reply packet to the display screen controller, and then reading the first monitoring broadcast reply packet stored in the first packet returning storage area, outputting the first monitoring broadcast reply packet to the display screen controller.
According to the embodiment of the invention, the generated first monitoring broadcast reply packet is stored in the first reply packet storage area through receiving the broadcast packet and sending the first monitoring broadcast reply packet responding to the broadcast packet, the second monitoring broadcast reply packet is input by responding to the next-stage display control card, the input second monitoring broadcast reply packet is stored in the second reply packet storage area, the second monitoring broadcast reply packet stored in the second reply packet storage area is read and output to the display screen controller, the first monitoring broadcast reply packet stored in the first reply packet storage area is read and output to the display screen controller, and the first monitoring broadcast reply packet is firstly ensured to be sent after the second monitoring broadcast reply packet is sent, so that the sending success of instructions is ensured, and the stability of a system and the integrity of data are improved.
In one embodiment of the present invention, the data backhaul control method: receiving the pause broadcast packet; judging whether the transmission of the monitoring broadcast reply packet currently being output is completed or not; in response to the transmission being incomplete, continuing to transmit the monitoring broadcast reply packet currently being output; and in response to the transmission being completed, suspending outputting a next monitoring broadcast reply packet in response to the suspending broadcast packet.
In another aspect, an embodiment of the present invention provides a display screen controller, where the display screen controller is electrically connected to at least one display control card, and the display screen controller includes: a broadcast packet receiving module for receiving a monitoring broadcast packet; a broadcast packet transmitting module for transmitting the monitoring broadcast packet to the at least one display control card, so that the at least one display control card responds to the monitoring broadcast packet to output a monitoring broadcast reply packet; the broadcast packet storage module is used for continuously receiving the monitoring broadcast reply packet and storing the received monitoring broadcast reply packet in a first storage area; the first storage state response module is configured to respond to the first storage area being in a first storage state: transmitting a pause broadcast packet to the at least one display control card to pause outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause broadcast packet; reading the monitoring broadcast reply packet stored in the first storage area; processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet; and the broadcast packet output module is used for outputting the target monitoring broadcast reply packet.
In one embodiment of the present invention, the display controller further includes: the second storage state response module is used for responding to the first storage area to be in a second storage state: transmitting a pause release broadcast packet to the at least one display control card to continue outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause release broadcast packet; and continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a second storage area.
In another aspect, an embodiment of the present invention provides a display control card, where the display control card is electrically connected to a display screen controller, and the display control card includes: a broadcast packet receiving module for receiving a monitoring broadcast packet; the broadcast packet generation module is used for responding to the monitoring broadcast packet to generate a first monitoring broadcast reply packet and storing the first monitoring broadcast reply packet into a first return packet storage area; the broadcast packet reading module is used for reading the first monitoring broadcast reply packet stored in the first packet returning storage area and outputting the first monitoring broadcast reply packet to the display screen controller in response to the fact that the next-stage display control card does not input the second monitoring broadcast reply packet; and the broadcast packet storage module is used for responding to the input of the second monitoring broadcast reply packet by the next-stage display control card, storing the input second monitoring broadcast reply packet into a second packet returning storage area, reading the second monitoring broadcast reply packet stored in the second packet returning storage area, outputting the second monitoring broadcast reply packet stored in the first packet returning storage area to the display screen controller, and then reading the first monitoring broadcast reply packet stored in the first packet returning storage area and outputting the first monitoring broadcast reply packet to the display screen controller.
In still another aspect, an embodiment of the present invention provides a data backhaul control system, including: a display screen controller; at least one display control card electrically connected with the display screen controller; the display screen controller is configured to execute any one of the data backhaul control methods mentioned in the first aspect, and the display control card is configured to execute any one of the data backhaul control methods mentioned in the second aspect.
In still another aspect, a data backhaul control system provided in an embodiment of the present invention includes: a processor and a memory coupled to the processor; the memory stores instructions executed by the processor, and the instructions cause the processor to perform operations to perform any one of the foregoing data backhaul control methods.
In yet another aspect, an embodiment of the present invention provides a computer-readable storage medium that is a nonvolatile memory and stores program code that when executed by a computer implements any one of the foregoing data backhaul control methods.
From the above, the technical features of the present invention may have one or more of the following advantages: according to the invention, through the sending of the broadcast packet and the receiving of the broadcast reply packet responding to the broadcast packet, the reply packet is stored in the first storage area after the broadcast reply packet is received, when the first storage area is in the first storage state, the pause output broadcast reply packet is sent to the display control card, and the broadcast reply packet in the first storage area is recombined and output, so that the sending success of the instruction is ensured, and the stability of the system and the integrity of data are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of 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 flowchart illustrating a data backhaul control method according to a first embodiment of the present invention.
Fig. 2 is a flowchart illustrating steps of the data backhaul control method shown in fig. 1 after step S107.
Fig. 3 is a flowchart illustrating steps of the data backhaul control method shown in fig. 2 after step S201.
Fig. 4 is a flowchart illustrating steps of the data backhaul control method shown in fig. 1 after step S104.
Fig. 5 is a flowchart illustrating a data backhaul control method according to a second embodiment of the present invention.
Fig. 6 is a flowchart illustrating steps after step S503 or step S504 in the data backhaul control method shown in fig. 5.
Fig. 7A is a flowchart of a data backhaul control method in a display controller and a display control card according to an embodiment of the present invention.
Fig. 7B is a flowchart of a data backhaul control method according to an embodiment of the present invention in at least one display control card.
Fig. 7C is a flowchart of another embodiment of a data backhaul control method in at least one display control card according to an embodiment of the present invention.
Fig. 7D is another specific flowchart of a data backhaul control method in at least one display control card according to an embodiment of the present invention.
Fig. 8 is a schematic block diagram of a display controller according to a third embodiment of the present invention.
Fig. 9 is a schematic block diagram of a display control card according to a third embodiment of the invention.
Fig. 10 is a schematic structural diagram of a data backhaul control system according to a fourth embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a data backhaul control system according to a fifth embodiment of the present invention.
Fig. 12 is a schematic structural view of a computer readable storage medium according to a sixth embodiment of the present invention.
[ reference numerals description ]
S101-S107, S201-S202, S301, S401, S501-S504, S601-S604, and data backhaul control method steps;
701: a display screen controller; 7011: a first storage area; 7012: a second storage area; 800: a display screen controller; 801: a first broadcast packet receiving module; 802: a broadcast packet transmission module; 803: a first broadcast packet storage module; 804: a first storage state response module; 805: a second storage state response module; 900: a display control card; 901: a second broadcast packet receiving module, 902: a broadcast packet generation module; 903: a broadcast packet reading module; 904: a second broadcast packet storage module;
1000: a data return control system; 1001: a display screen controller; 1003: a display control card;
1100: a data return control system; 1101: a processor; 1103: a memory;
1200: computer readable storage media.
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.
[ first embodiment ]
As shown in fig. 1, a data backhaul control method provided in a first embodiment of the present invention includes:
s101, receiving a monitoring broadcast packet;
first, a monitor broadcast packet is received by a display controller, which may be a transmitting card in an LED display control system, including, for example, a video source input interface, such as an HDMI interface, or a DVI interface, a programmable logic device, such as an FPGA, a microcontroller, such as an MCU, and an ethernet interface, such as an RJ45 interface. The transmitting card is used for being connected with the receiving card in the LED display screen control system so as to control the LED display screen to display pictures. Of course, the mentioned display screen controller can also be a transmitting device in the LED display screen control system, and is a device for transmitting an instruction issued by the upper computer software.
S102, the monitoring broadcast packet is sent to the at least one display control card, so that the at least one display control card responds to the monitoring broadcast packet to output a monitoring broadcast reply packet;
the display screen controller sends the received monitoring broadcast packet to at least one display control card, wherein the display control card is a receiving card in an LED display screen control system, and comprises an Ethernet interface, a programmable logic device, a microcontroller, a pin array connector and the like, the Ethernet interface is an RJ45 interface, the programmable logic device is an FPGA, the microcontroller is an MCU, the pin array connector is used for being connected with an LED lamp panel of an LED display screen so as to control the at least one display control card to respond to the monitoring broadcast packet and then output a monitoring broadcast reply packet.
S103, continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a first storage area;
the display screen controller always receives the monitoring broadcast reply packet sent by the display control card, and stores the received data of the monitoring broadcast reply packet in a first storage area under the display screen controller, wherein the first storage area is a storage area preset by the display screen controller, can comprise a plurality of storage areas, can be set according to actual requirements, and is not limited in specific.
S104, responding to the first storage area as a first storage state, and sending a pause broadcast packet to the at least one display control card so that the at least one display control card can pause outputting the monitoring broadcast reply packet in response to the pause broadcast packet;
judging whether the storage state of the first storage area is a first storage state, wherein the first storage state can be a state of storing 100% of space, a state of storing 90% of space or a state of storing how much space is set by a user according to actual conditions.
S105, reading the monitoring broadcast reply packet stored in the first storage area;
the display controller then begins reading the supervisory broadcast reply packet stored in the first storage area.
S106, processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet;
And the display screen controller reorganizes all the monitoring broadcast reply packets stored in the first storage area to generate a target monitoring broadcast reply packet, wherein the target monitoring broadcast reply packet refers to a monitoring broadcast reply packet formed by reading information of all the monitoring broadcast reply packets stored in the first storage area and reorganizing all the information of all the monitoring broadcast reply packets together.
And S107, outputting the target monitoring broadcast reply packet.
And the display screen controller outputs the target monitoring broadcast reply packet.
In the embodiment of the invention, in the prior art, a single display screen controller can only access a single display control card under the LED display screen control system, cannot access a plurality of display control cards at the same time, cannot ensure the stability of flow control between the display screen controller and the display control cards, and cannot ensure the integrity of received data; and the invention transmits the broadcast reply packet and receives the broadcast reply packet responded to the broadcast packet, and then stores the reply packet in the first storage area, when the first storage area is in the first storage state, the invention transmits the pause output broadcast reply packet to the display control card, and reassembles and outputs the broadcast reply packet in the first storage area, thus ensuring the success of transmitting the instruction, and further improving the stability of the system and the integrity of the data.
In another specific embodiment, as shown in fig. 2, after the outputting the target monitoring broadcast reply packet, for example, further includes:
s201, responding to the first storage area to be in a second storage state: transmitting a pause release broadcast packet to the at least one display control card to continue outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause release broadcast packet;
when the first storage area is in the second storage state, the second storage state is preferably that the first storage area is in a clear state in the embodiment of the present invention, and in other embodiments, the second storage state may be a state of less than 40% of storage space set by a user, which is not limited herein, and the display screen controller sends a pause release broadcast packet to at least one display control card, so as to control the at least one display control card to respond after receiving the pause release broadcast packet, and then continue outputting a monitoring broadcast reply.
S202, continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a second storage area.
The display screen controller continuously receives the monitoring broadcast reply packet and stores the received monitoring broadcast reply packet in a second storage area, wherein the second storage area is a storage area preset by the display screen controller, that is, the display screen controller can divide the internal storage area into a first storage area and a second storage area in advance, and can divide the internal storage area into a plurality of storage areas as required, and the method is not limited in the specific point.
In another specific embodiment, as shown in fig. 3, after outputting the target monitoring broadcast reply packet, the method further includes, for example:
and S301, responding to the second storage area to be in a third storage state, and sending the pause broadcast packet to the at least one display control card.
When the second storage area is in the third storage state, the third storage state may be the same state as the first storage state described in the above embodiment 1, or may be another state set by the user, and in this embodiment of the present invention, the third storage state is a full state, and then the display screen controller sends a pause broadcast packet to at least one display control card.
In another specific embodiment, as shown in fig. 4, after the sending of the pause broadcast packet to the at least one display control card mentioned in step S104, for example, includes:
s401, storing the monitoring broadcast reply packet received after the pause broadcast packet is sent to the second storage area.
After the display screen controller sends out the pause broadcast packet, the pause broadcast packet is sent out from the display screen controller to the display control card so as to control the display control card to pause outputting the broadcast reply packet to have time delay, in the process of time delay, the display control card continues to respond and then the output broadcast reply packet can continue to be sent to the display screen controller, and then the display screen controller stores the monitoring broadcast reply packet in the second storage area.
[ second embodiment ]
As shown in fig. 5, a data backhaul control method provided in a first embodiment of the present invention includes:
s501, receiving a monitoring broadcast packet;
the display control card can comprise a previous display control card, a current display control card and a next display control card, wherein the previous display control card, the current display control card and the next display control card are in a mutually cascade connection state, and the display control card receives a monitoring broadcast packet sent by the display screen controller.
S502, responding to the monitoring broadcast packet to generate a first monitoring broadcast reply packet, and storing the first monitoring broadcast reply packet into a first packet returning storage area;
after receiving the monitoring broadcast packet, the display control card responds to and generates a first monitoring broadcast reply packet, and stores the first monitoring broadcast reply packet in a first return packet storage area, wherein the first monitoring broadcast reply packet is a broadcast reply packet generated by responding after the display control card of the present stage receives the monitoring broadcast packet, and the first return packet storage area is used for storing the first monitoring broadcast reply packet generated by the display control card of the present stage.
S503, reading the first monitoring broadcast reply packet stored in the first packet storage area and outputting the first monitoring broadcast reply packet to a display screen controller in response to the fact that the next-stage display control card does not input the second monitoring broadcast reply packet;
When the next-stage display control card corresponding to the present stage does not input the second monitoring broadcast reply packet, the present-stage display control card directly reads the first monitoring broadcast reply packet stored in the first return packet storage area and outputs the first monitoring broadcast reply packet to the display screen controller, the second monitoring broadcast reply packet is a monitoring broadcast reply packet generated by responding after the next-stage display control card corresponding to the present-stage display control card receives the monitoring broadcast packet, the next-stage display control card generates the second monitoring broadcast reply packet, then the second monitoring broadcast reply packet is sent to the present-stage display control card, namely, the second monitoring broadcast reply packet is uploaded step by step, for example, the display control card comprises a first display control card and a second display control card, the second display control card is the next-stage display control card of the first display control card, the first monitoring broadcast reply packet generated by the first display control card is stored in the first return packet storage area, and the first monitoring broadcast reply packet stored in the first return packet storage area is read after the first display control card does not receive the second monitoring broadcast reply packet generated by the third display control card, and then the first monitoring broadcast reply packet stored in the first return packet storage area is output to the display screen controller.
S504, responding to the next stage display control card to input the second monitoring broadcast reply packet, storing the input second monitoring broadcast reply packet into a second packet returning storage area, reading the second monitoring broadcast reply packet stored in the second packet returning storage area, outputting the second monitoring broadcast reply packet to the display screen controller, and then reading the first monitoring broadcast reply packet stored in the first packet returning storage area, outputting the first monitoring broadcast reply packet to the display screen controller.
When a second monitoring broadcast reply packet is input to a next-stage display control card corresponding to the current stage, the input second monitoring broadcast reply packet is stored in a second reply packet storage area, the second reply packet storage area is used for storing a second monitoring broadcast reply packet sent by the next-stage display control card, namely, a second monitoring broadcast reply packet generated by a next-stage display control card corresponding to the current-stage display control card in response to the monitoring broadcast packet is stored, the next-stage display control card sends the second monitoring broadcast reply packet to the current-stage display control card, the current-stage display control card stores the second monitoring broadcast reply packet in a second reply packet storage area after receiving the second monitoring broadcast reply packet, the second monitoring broadcast reply packet has different roles with the first reply packet storage area, the second monitoring broadcast reply packet stored in the second reply packet storage area is read first, the read second monitoring broadcast reply packet is output to the display screen controller, and then the first monitoring broadcast reply packet stored in the first reply packet storage area is read and is output to the display screen controller.
According to the embodiment of the invention, the generated first monitoring broadcast reply packet is stored in the first reply packet storage area through receiving the broadcast packet and sending the first monitoring broadcast reply packet responding to the broadcast packet, the second monitoring broadcast reply packet is input by responding to the next-stage display control card, the input second monitoring broadcast reply packet is stored in the second reply packet storage area, the second monitoring broadcast reply packet stored in the second reply packet storage area is read first and is output to the display screen controller, the first monitoring broadcast reply packet stored in the first reply packet storage area is read and is output to the display screen controller, and the first monitoring broadcast reply packet is firstly ensured to be sent after the second monitoring broadcast reply packet is sent, so that the sending success of instructions is ensured, and the stability of a system and the integrity of data are improved.
In another specific embodiment, as shown in fig. 6, after step S503 or step S504, the method further includes:
s601, receiving the pause broadcast packet;
the display control card receives the pause broadcast packet sent by the display screen controller.
S602, judging whether the transmission of the monitoring broadcast reply packet currently being output is completed.
The display control card judges whether the transmission of the currently output monitoring broadcast reply packet is completed, wherein the monitoring broadcast reply packet can be a first monitoring broadcast reply packet stored in a first callback storage area or a second monitoring broadcast reply packet stored in a second callback storage area, for example, in response to the fact that the next-stage display control card does not input the second monitoring broadcast reply packet, the first monitoring broadcast reply packet stored in the first callback storage area is read and output to a display screen controller, namely, the currently output monitoring broadcast reply packet is the first monitoring broadcast reply packet; when a second monitoring broadcast reply packet is input to a next-stage display control card corresponding to the current stage, the input second monitoring broadcast reply packet is stored in a second reply packet storage area, the second monitoring broadcast reply packet stored in the second reply packet storage area is read first, the read second monitoring broadcast reply packet is output to the display screen controller, then the first monitoring broadcast reply packet stored in the first reply packet storage area is read and is output to the display screen controller, namely the currently output monitoring broadcast reply packet is the first monitoring broadcast reply packet or the second monitoring broadcast reply packet, and a large capacity space, such as 4 times of the maximum storage capacity of a single monitoring broadcast reply packet, is arranged in the capacity space of the second reply packet storage area, so that the second reply packet storage area can buffer 3-4 monitoring broadcast reply packets simultaneously.
S603, responding to the fact that the transmission is not completed, and continuing to transmit the monitoring broadcast reply packet which is currently being output;
when the monitoring broadcast reply packet currently being output is not transmitted, the display control card will continue to transmit the monitoring broadcast reply packet currently being output, for example, when the current display control card and the next display control card both receive the pause broadcast packet, the next display control card is transmitting a second monitoring broadcast reply packet to the current display control card, then the next display control card will continue to operate, the second monitoring broadcast reply packet will continue to be transmitted to the current display control card, then the current display control card will store the second monitoring broadcast reply packet in a second packet storage area, and because the capacity of the second packet storage area is very large, a plurality of monitoring broadcast reply packets can be buffered at the same time, and the second monitoring broadcast reply packet will be stored in the second packet storage area of the current display control card.
S604, responding to the transmission completion, and responding to the pause broadcast packet, and pausing outputting the next monitoring broadcast reply packet.
When the currently output monitoring broadcast reply packet is transmitted, the display control card responds to the pause broadcast packet to pause outputting the next monitoring broadcast reply packet, for example, after the current display control card and the next display control card both receive the pause broadcast packet, the current display control card and the next display control card do not have the first monitoring broadcast reply packet or the second monitoring broadcast reply packet which are transmitted, and directly respond to the pause broadcast packet to pause outputting the next first monitoring broadcast reply packet or the second monitoring broadcast reply packet.
In order to facilitate a clearer understanding of the present embodiment, the following describes the data backhaul control method of the present embodiment in detail in connection with a specific embodiment.
As shown in fig. 7A-7D, the packet/backhaul flow control module and the portal buffer are both disposed on the display controller 701, the portal buffer includes a first storage area 7011 and a second storage area 7012, each portal under the display controller 701 corresponds to a plurality of display control cards 702, when the display controller 701 receives a monitoring broadcast packet sent by the host software, the monitoring broadcast packet is issued to at least one display control card 702, all the display control cards 702 under the portal respond to the monitoring broadcast packet and reply the monitoring broadcast reply packet, then the monitoring broadcast reply packet is sent to the first storage area 7011 in the display controller 701 for storage, and when the first storage area is full, that is, when the first storage area mentioned in the above embodiment is in the first storage state, on one hand, the display controller 701 indicates that a certain amount of available data exists in the packet/backhaul flow control module buffer, and can send the packet to the host machine for display, and the host machine sends a pause control card to the monitoring broadcast control card 702 and replies the second storage card 702, and then the other display control card replies the second storage area 7012, and the other display control card replies the second storage area 7012 when the first storage area is full, and the second storage area is not in the first storage area is full. After the stored monitoring broadcast reply packet in the first storage area 7011 is read and the target monitoring broadcast packet is generated and output to the upper computer, the packet/backhaul flow control module sends a pause release broadcast packet to all the display control cards 702, the monitoring broadcast reply packet stored in the display control cards 702 can be continuously stored in the second storage area 7012 until the second storage area 7012 is full, the packet/backhaul flow control module continues to send a pause broadcast packet, and the received monitoring broadcast reply packet is written into the first storage area 7011 again for storage, and so on.
As shown in fig. 7A to 7D, the display control card 702 is also provided with a first packet returning storage area for generating and storing a monitoring broadcast reply packet of the present-stage display control card, and a second packet returning storage area for extending upward and storing a monitoring broadcast reply packet generated by the subsequent-stage display control card. When the display control cards respond to the monitoring broadcast packets, each display control card can respond to the externally-subsequent monitoring broadcast reply packet preferentially and reply to the monitoring broadcast reply packet generated by the display control card; the monitoring broadcast reply packet may be subjected to a packet splitting operation, and the capacity of the second packet returning storage area is, for example, 4 times of the maximum storage capacity of a single monitoring broadcast reply packet, so that the second packet returning storage area can simultaneously cache 3-4 packets of monitoring broadcast reply packets.
As shown in fig. 7B, when the receiving card is a display control card and the display control card responds to the broadcast packet, in order to efficiently use the return channel, each display control card performs packet data returning according to its own response speed, and when there is external return data, the receiving card preferentially returns the external response packet and then performs the return of the response data of the receiving card; in the figure, the receiving card 1 and the receiving card 3 under the network port 1 already respond to the monitoring broadcast packet and reply to the monitoring broadcast reply packet, but the receiving card 2 does not respond to the monitoring broadcast packet and reply to the monitoring broadcast reply packet because other services are reprocessed, so that the receiving card 1, the receiving card 2 and the receiving card 3 are independent and are not influenced by the response conditions of the upper and lower display control cards.
As shown in fig. 7C, the receiving card is a display control card, when the display control card broadcasts a pause instruction to all receiving cards, the receiving card can immediately pause the operation of the feedback monitoring broadcast reply packet for the local response buffer and the external response buffer, and the responding data does not need to be paused, and the feedback monitoring broadcast reply packet needs to be returned according to the whole packet unit. In the process that the receiving card 2 under the network port 1 responds to the monitoring broadcast reply packet, the receiving card in the response cannot be interrupted, and the operation of suspending the monitoring broadcast reply packet is needed to be carried out after the response is completed.
As shown in fig. 7D, the receiving card is a display control card, and when the display screen controller releases the broadcast packets to all receiving cards, the receiving card will preferentially transmit the monitoring broadcast reply packets in the second packet-returning storage area back to the receiving card, and transmit the monitoring broadcast reply packets in the first packet-returning storage area back to the receiving card, so as to ensure the data integrity of the whole link. After receiving the broadcast pause releasing broadcast packet, the receiving card responding to the pause is restored to the receiving card continuing to respond, and the display control card responding to completion is unchanged.
In summary, in the prior art, a single display screen controller can only access a single display control card under the LED display screen control system, cannot access a plurality of display control cards at the same time, and cannot ensure the stability of flow control between the display screen controller and the display control card, so that the integrity of received data cannot be ensured; and the invention transmits the broadcast reply packet and receives the broadcast reply packet responded to the broadcast packet, and then stores the reply packet in the first storage area, when the first storage area is in the first storage state, the invention transmits the pause output broadcast reply packet to the display control card, and reassembles and outputs the broadcast reply packet in the first storage area, thus ensuring the success of transmitting the instruction, and further improving the stability of the system and the integrity of the data.
[ third embodiment ]
As shown in fig. 8, a display controller 800 according to a third embodiment of the present invention includes: a first broadcast packet receiving module 801, a broadcast packet transmitting module 802, a first broadcast packet storing module 803, and a first storage status responding module 804.
Wherein, the first broadcast packet receiving module 801 is configured to receive a monitoring broadcast packet. And a broadcast packet transmitting module 802, configured to transmit the monitoring broadcast packet to the at least one display control card, so that the at least one display control card outputs a monitoring broadcast reply packet in response to the monitoring broadcast packet. The first broadcast packet storage module 803 is configured to continuously receive the monitoring broadcast reply packet, and store the received monitoring broadcast reply packet in the first storage area. A first storage state response module 804, configured to respond to the first storage area being in a first storage state: transmitting a pause broadcast packet to the at least one display control card to pause outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause broadcast packet; reading the monitoring broadcast reply packet stored in the first storage area; processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet; and outputting the target monitoring broadcast reply packet.
In the embodiment of the invention, in the prior art, a single display screen controller can only access a single display control card under the LED display screen control system, cannot access a plurality of display control cards at the same time, cannot ensure the stability of flow control between the display screen controller and the display control cards, and cannot ensure the integrity of received data; and the invention stores the broadcast return packet in the first storage area after receiving the broadcast return packet by sending the broadcast packet and receiving the broadcast return packet responded to the broadcast packet, and when the first storage area is in the first storage state, sends the pause output broadcast packet to the display control card, and reassembles and outputs the broadcast return packet in the first storage area, thereby ensuring the success of sending the instruction, and further improving the stability of the system and the integrity of data.
Further, as shown in fig. 8, the display screen controller 800 further includes, for example: a second storage state response module 805, configured to, in response to the first storage area being in the second storage state: transmitting a pause release broadcast packet to the at least one display control card to continue outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause release broadcast packet; and continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a second storage area.
Further, the display screen controller 800 further includes, for example: and the pause broadcast packet sending module is used for responding to the third storage state of the second storage area and sending the pause broadcast packet to the at least one display control card.
A display control card 900 according to a second embodiment of the present invention, where the display control card 900 is electrically connected to a display screen controller, and includes: the second broadcast packet receiving module 901: for receiving a monitoring broadcast packet; a broadcast packet generating module 902, configured to generate a first monitoring broadcast reply packet in response to the monitoring broadcast packet, and store the first monitoring broadcast reply packet in a first packet storage area; the broadcast packet reading module 903 is configured to read the first monitoring broadcast reply packet stored in the first packet storage area and output the first monitoring broadcast reply packet to a display screen controller in response to no second monitoring broadcast reply packet being input by a next display control card; and the second broadcast packet storage module 904 is configured to respond to the input of the second monitoring broadcast reply packet by the next-stage display control card, store the input second monitoring broadcast reply packet in a second packet returning storage area, read the second monitoring broadcast reply packet stored in the second packet returning storage area, output the second monitoring broadcast reply packet stored in the first packet returning storage area to the display screen controller, and then read the first monitoring broadcast reply packet stored in the first packet returning storage area and output the first monitoring broadcast reply packet to the display screen controller.
Further, the display control card 900 further includes: a pause broadcast packet receiving module for receiving the pause broadcast packet; the broadcast reply packet judging module is used for judging whether the transmission of the monitoring broadcast reply packet currently being output is completed or not; the broadcast reply packet transmission module is used for responding to the incomplete transmission and continuously transmitting the monitoring broadcast reply packet which is currently being output; and the pause output broadcast reply packet module is used for responding to the completion of the transmission and responding to the pause broadcast packet, and pausing the output of the next monitoring broadcast reply packet.
The data backhaul control method implemented by the display controller 800 and the display control card 900 in this embodiment is as described in the foregoing first embodiment, so that detailed description thereof will not be provided here. Optionally, each module in the second embodiment and the other operations or functions described above are respectively for implementing the method in the first embodiment of the present invention, and the beneficial effects of this embodiment are the same as those of the first embodiment, and are not described herein for brevity.
[ fourth embodiment ]
As shown in fig. 10, a data backhaul control system 1000 according to a fourth embodiment of the present invention includes: a display controller 1001 and at least one display control card 1003; the display controller 1001 is electrically connected to at least one display control card 1003, the display controller 1001 performs an operation to perform the data backhaul control method described in fig. 1 to fig. 4 of the first embodiment, and the display controller 1003 performs an operation to perform the data backhaul control method described in fig. 5 to fig. 6 of the first embodiment, where the object of receiving the monitoring broadcast packet and outputting the monitoring broadcast reply packet is host software.
The data backhaul control method implemented by the data backhaul control system according to the present embodiment is as described in the foregoing first embodiment, so that detailed description thereof will not be provided herein.
[ fifth embodiment ]
As shown in fig. 11, a data backhaul control system 1100 according to a fifth embodiment of the present invention includes: a processor 1101 and a memory 1103; the memory 1103 stores instructions executed by the processor 1101, and the instructions, for example, cause the processor 1101 to perform operations for performing the data backhaul control method described in the foregoing first embodiment.
It should be noted that, the data backhaul control system 1100 according to the present embodiment has instructions for the processor 1101 to execute operations for performing the data backhaul control method as described in the foregoing first embodiment, so that the detailed description thereof will not be provided herein. Optionally, in order to implement the method in the first embodiment of the present invention, each processor and each memory in the present embodiment of the present invention have the same technical effects as the data backhaul control method in the first embodiment, and are not described herein.
[ sixth embodiment ]
As shown in fig. 12, a sixth embodiment of the present invention provides a computer readable storage medium 1200, which is a nonvolatile memory and stores program codes, and when the program codes are executed by one or more processors, for example, the one or more processors are caused to execute the data backhaul control method described in the foregoing first embodiment.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments may be arbitrarily combined and matched without conflict in technical features, contradiction in structure, and departure from the purpose of the present invention.
In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and/or methods may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and the division of the units/modules is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or modules may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units/modules described as separate units may or may not be physically separate, and units/modules may or may not be physically units, may be located in one place, or may be distributed on multiple network units. Some or all of the units/modules may be selected according to actual needs to achieve the purpose of the embodiment.
In addition, each functional unit/module in the embodiments of the present invention may be integrated in one processing unit/module, or each unit/module may exist alone physically, or two or more units/modules may be integrated in one unit/module. The integrated units/modules may be implemented in hardware or in hardware plus software functional units/modules.
The integrated units/modules implemented in the form of software functional units/modules described above may be stored in a computer readable storage medium. The software functional units described above are stored in a storage medium and include instructions for causing one or more processors of a computer device (which may be a personal computer, a server, or a network device, etc.) to perform some steps of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The data feedback control method is characterized by being applied to a display screen controller in an LED display screen control system, wherein the display screen controller is electrically connected with at least one display control card, and the data feedback control method comprises the following steps:
receiving a monitoring broadcast packet;
transmitting the monitoring broadcast packet to the at least one display control card, so that the at least one display control card responds to the monitoring broadcast packet to output a monitoring broadcast reply packet;
continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a first storage area;
transmitting a pause broadcast packet to the at least one display control card in response to the first storage area being in a first storage state, to pause outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause broadcast packet;
reading the monitoring broadcast reply packet stored in the first storage area;
processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet;
and outputting the target monitoring broadcast reply packet.
2. The data backhaul control method according to claim 1, wherein after the outputting the target monitoring broadcast reply packet, further comprising:
Transmitting a pause release broadcast packet to the at least one display control card in response to the first storage area being in a second storage state, so that the at least one display control card continues to output the monitoring broadcast reply packet in response to the pause release broadcast packet;
and continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a second storage area.
3. The data backhaul control method according to claim 2, further comprising, after said storing the received monitoring broadcast reply packet in a second storage area:
and transmitting the pause broadcast packet to the at least one display control card in response to the second storage area being in a third storage state.
4. The data backhaul control method according to claim 1, wherein after the sending of the pause broadcast packet to the at least one display control card, further comprising:
and storing the monitoring broadcast reply packet received after the pause broadcast packet is sent out to a second storage area.
5. The data return control method is characterized by being applied to a display control card in an LED display screen control system, wherein the display control card is electrically connected with a display screen controller, and the data return control method comprises the following steps:
Receiving a monitoring broadcast packet;
generating a first monitoring broadcast reply packet in response to the monitoring broadcast packet, and storing the first monitoring broadcast reply packet in a first packet returning storage area;
responding to the fact that the next-stage display control card does not input a second monitoring broadcast reply packet, reading the first monitoring broadcast reply packet stored in the first return packet storage area, and outputting the first monitoring broadcast reply packet to a display screen controller;
and responding to the input of the second monitoring broadcast reply packet by the next-stage display control card, storing the input second monitoring broadcast reply packet into a second packet returning storage area, reading the second monitoring broadcast reply packet stored in the second packet returning storage area, outputting the second monitoring broadcast reply packet to the display screen controller, and then reading the first monitoring broadcast reply packet stored in the first packet returning storage area, outputting the first monitoring broadcast reply packet to the display screen controller.
6. The data backhaul control method of claim 5, wherein the data backhaul control method further comprises:
receiving a pause broadcast packet;
judging whether the transmission of the monitoring broadcast reply packet currently being output is completed or not;
in response to the transmission being incomplete, continuing to transmit the monitoring broadcast reply packet currently being output;
And in response to the transmission being completed, suspending outputting a next monitoring broadcast reply packet in response to the suspending broadcast packet.
7. A display screen controller, wherein the display screen controller is electrically connected to at least one display control card, the display screen controller comprising:
the first broadcast packet receiving module is used for receiving the monitoring broadcast packet;
a broadcast packet transmitting module for transmitting the monitoring broadcast packet to the at least one display control card, so that the at least one display control card responds to the monitoring broadcast packet to output a monitoring broadcast reply packet;
the first broadcast packet storage module is used for continuously receiving the monitoring broadcast reply packet and storing the received monitoring broadcast reply packet in a first storage area;
the first storage state response module is configured to respond to the first storage area being in a first storage state: transmitting a pause broadcast packet to the at least one display control card to pause outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause broadcast packet; reading the monitoring broadcast reply packet stored in the first storage area; processing the read monitoring broadcast reply packet to generate a target monitoring broadcast reply packet; and outputting the target monitoring broadcast reply packet.
8. The display screen controller of claim 7, further comprising:
the second storage state response module is used for responding to the first storage area to be in a second storage state: transmitting a pause release broadcast packet to the at least one display control card to continue outputting the monitoring broadcast reply packet by the at least one display control card in response to the pause release broadcast packet; and continuously receiving the monitoring broadcast reply packet, and storing the received monitoring broadcast reply packet in a second storage area.
9. A display control card, wherein the display control card is electrically connected to a display screen controller, the display control card comprising:
the second broadcast packet receiving module is used for receiving the monitoring broadcast packet;
the broadcast packet generation module is used for responding to the monitoring broadcast packet to generate a first monitoring broadcast reply packet and storing the first monitoring broadcast reply packet into a first return packet storage area;
the broadcast packet reading module is used for reading the first monitoring broadcast reply packet stored in the first packet returning storage area and outputting the first monitoring broadcast reply packet to the display screen controller in response to the fact that the next-stage display control card does not input the second monitoring broadcast reply packet;
And the second broadcast packet storage module is used for responding to the input of the second monitoring broadcast reply packet by the next-stage display control card, storing the input second monitoring broadcast reply packet into a second packet returning storage area, reading the second monitoring broadcast reply packet stored in the second packet returning storage area, outputting the second monitoring broadcast reply packet stored in the first packet returning storage area to the display screen controller, and then reading the first monitoring broadcast reply packet stored in the first packet returning storage area and outputting the first monitoring broadcast reply packet to the display screen controller.
10. A data backhaul control system, comprising:
a display screen controller;
at least one display control card electrically connected with the display screen controller;
the display screen controller is configured to execute the data backhaul control method according to any one of claims 1 to 4, and the display control card is configured to execute the data backhaul control method according to any one of claims 5 or 6.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203311810U (en) * | 2012-09-06 | 2013-11-27 | 朱辰鑫 | Novel LED screen with online monitoring device |
| CN103971645A (en) * | 2014-05-25 | 2014-08-06 | 湖南科技学院 | GPRS-based remote LED panel control system |
| WO2018040943A1 (en) * | 2016-08-31 | 2018-03-08 | 阿里巴巴集团控股有限公司 | Display data control method, device, and system |
| CN108462602A (en) * | 2018-01-02 | 2018-08-28 | 深圳市奥拓电子股份有限公司 | Data transfer control method, control system and storage device |
| CN110784663A (en) * | 2019-10-25 | 2020-02-11 | 深圳市奥拓电子股份有限公司 | Wireless data transmission and control method and device, electronic equipment and storage medium |
| CN111063287A (en) * | 2018-10-17 | 2020-04-24 | 西安诺瓦星云科技股份有限公司 | Display control system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8558755B2 (en) * | 2007-12-11 | 2013-10-15 | Adti Media, Llc140 | Large scale LED display system |
| EP3316592A4 (en) * | 2015-06-29 | 2018-12-05 | LG Electronics Inc. | Display device and control method therefor |
-
2020
- 2020-05-27 CN CN202010463884.XA patent/CN113747206B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203311810U (en) * | 2012-09-06 | 2013-11-27 | 朱辰鑫 | Novel LED screen with online monitoring device |
| CN103971645A (en) * | 2014-05-25 | 2014-08-06 | 湖南科技学院 | GPRS-based remote LED panel control system |
| WO2018040943A1 (en) * | 2016-08-31 | 2018-03-08 | 阿里巴巴集团控股有限公司 | Display data control method, device, and system |
| CN108462602A (en) * | 2018-01-02 | 2018-08-28 | 深圳市奥拓电子股份有限公司 | Data transfer control method, control system and storage device |
| CN111063287A (en) * | 2018-10-17 | 2020-04-24 | 西安诺瓦星云科技股份有限公司 | Display control system |
| CN110784663A (en) * | 2019-10-25 | 2020-02-11 | 深圳市奥拓电子股份有限公司 | Wireless data transmission and control method and device, electronic equipment and storage medium |
Non-Patent Citations (2)
| Title |
|---|
| Kezhi Li ; Wengao Lu ; Bo Wang ; Xin'an Wang.A digital multiplexing and real-time refresh dimming control circuit used in LED driver for multiple LED strings.2016 13th IEEE International Conference on Solid-State and Integrated Circuit Technology (ICSICT).2017,全文. * |
| 樊光辉.基于千兆以太网的LED显示屏控制系统冗余技术的研究.硕士学位沦为.2009,全文. * |
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