CN114898702A - Automatic identification method and system of intelligent module - Google Patents
Automatic identification method and system of intelligent module Download PDFInfo
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- CN114898702A CN114898702A CN202210473820.7A CN202210473820A CN114898702A CN 114898702 A CN114898702 A CN 114898702A CN 202210473820 A CN202210473820 A CN 202210473820A CN 114898702 A CN114898702 A CN 114898702A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2092—Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G3/2096—Details of the interface to the display terminal specific for a flat panel
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2340/00—Aspects of display data processing
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Abstract
The invention discloses an automatic identification method and system of an intelligent module, belonging to the technical field of display of LED display screens, wherein the intelligent module comprises a plurality of data sets; the receiving card acquires preset video data and sequentially transmits the preset video data to each data set in the intelligent module through the data set video interface; the receiving card reads back the video data on the data set through the intelligent module interface and judges the corresponding relation between the video data and the intelligent module according to the read back video data. The invention has the beneficial effects that: the video data in the data set are transmitted to the intelligent module through the video sampling line connected between the data set video interface and the intelligent module interface, the corresponding video data are returned to the FPGA chip through the intelligent module interface, the corresponding relation between the video data and the intelligent module is judged, and the problem that the corresponding relation between the lamp panel and the data set is manually set to cause setting errors is solved.
Description
Technical Field
The invention relates to the technical field of display of LED display screens, in particular to an automatic identification method and system of an intelligent module.
Background
The existing HUB board is used for connecting a module and a receiving card, a plurality of interfaces exist, such as 10 interfaces, the interfaces are used for being connected with a lamp panel or the module, in the setting function of a smart module of software, the mapping relation between a lamp panel data set and the smart module needs to be established in the interfaces, in the setting process, manual setting is adopted, due to the fact that the number of the interfaces is large, the corresponding relation between video interfaces of different interfaces and the smart module interface is easily set to be wrong, and therefore the problem that the setting is wrong and is difficult to perceive often exists in the manual setting mode, and field faults are further caused; in addition, when the lamp panel is replaced, when the correction coefficient is set for the lamp panel through the receiving card, the problem that the correction coefficient of the lamp panel is correspondingly wrong through the video interface exists, and then the display effect of the screen is influenced due to the fact that the screen is blurred.
The intelligent module is composed of a plurality of lamp panel data sets, the sizes of the lamp panels of the intelligent modules in 1 box body are the same generally, if the intelligent module and the lamp panel data sets are bound, for example, physical interfaces are made together, at the moment, the connection is required to be established according to the physical sequence of the lamp panels, and the requirement has higher implementation requirements on PCBs and the like, so that the realization and maintenance are not facilitated.
Therefore, there is a need for a new method to solve the above problems.
Disclosure of Invention
In order to overcome the problem that the corresponding relation between the video interfaces of different interfaces and the intelligent module interface is easily set wrongly and hardly perceived in the manual setting mode in the prior art, the invention provides an automatic identification method of an intelligent module, which comprises the following steps:
the intelligent module comprises a plurality of data sets;
the receiving card acquires preset video data and sequentially transmits the preset video data to each data set in the intelligent module through the data set video interface;
the receiving card reads back the video data on the data set through the intelligent module interface and judges the corresponding relation between the video data and the intelligent module according to the read back video data.
It should be understood that the LED display screen may include a plurality of LED boxes and a plurality of receiving cards, each LED box may include a plurality of smart modules, and each receiving card may be connected to control a plurality of smart modules in one LED box.
In the invention, the concept of data sets is introduced, one intelligent module comprises a plurality of data sets, and the data sets in the intelligent module are arranged according to a preset arrangement sequence.
In the invention, the data set is a data set driven by each group of pins of the chip, three RGB signals form a group of data, the data is a basic unit which is used for outputting a result in a required form after various input signals are processed by a receiving card and realizing the function of a display screen, the data can be understood as lamp points corresponding to video data on hardware and video data corresponding to the lamp points on software, and the data can be understood as the corresponding relation between the video data and the intelligent module so as to automatically identify the setting relation between the lamp panel and the data set between the intelligent modules.
Under the normal condition, a video line is connected between the data group video interface and the receiving card and is used for transmitting the video data on the receiving card to the data group; but the video data in the data set cannot be returned to the receiving card.
The video data in the data set are transmitted to the intelligent module through the video sampling line connected between the data set video interface and the intelligent module interface, and the corresponding video data are returned to the FPGA chip in the receiving card through the intelligent module interface, so that the corresponding relation between the video data and the intelligent module is judged, and the problem of setting errors easily caused by manually setting the corresponding relation between the lamp panel and the data set is solved.
Furthermore, each MISO interface on the intelligent module interface independently returns video data, and the receiving card sequentially transmits the video data to the corresponding data set in the intelligent module after monitoring the position of the intelligent module interface; and according to the preset video data read back by each MISO interface on the intelligent module, the corresponding relation between the video data and the intelligent module is judged.
Further, the receiver card program transmits predetermined video data to the data set as a predetermined waveform or dynamic hopping pattern.
Specifically, firstly, the card receiving program applies dynamic jump patterns (also predetermined video data) to the video data pins of the selected lamp panel data group, namely the data group video interface, sequentially through a circulation mechanism; wherein the dynamic pattern also corresponds to a waveform, e.g. slowly varying 0 and 1 signals, such as 101001; firstly, applying a first data group, then applying a second data group, and finally applying a third data group in sequence; then, the corresponding jump patterns are searched on all MISO pins related to the intelligent module interface of the receiving card, wherein the jump patterns usually have 8 MISOs or 16 or 32 MISOs, the lamp panel can contain a plurality of data sets and at least can contain video data pins connected with the intelligent module interface, and finally, the FPGA quickly judges the corresponding relation between the video data and the intelligent module.
The video data refers to R/G/B signals of the data group interface, and may be any signals, but the signals can be recognized by the FPGA chip, and here, a mode of transmitting a predetermined waveform or a dynamic jump pattern to the FPGA chip is preferably adopted.
In the actual operation process, the condition that the FPGA chip in the receiving card can receive the video data returned from the data set is necessary for realizing automatic identification, so before the corresponding relationship between the video data and the smart module is judged, the connection relationship among the receiving card, the smart module and the data set needs to be detected.
Further, before the receiving card transmits the preset video data to the data set, whether the intelligent module supports the flat cable detection function or not is judged by whether the video data returned by the intelligent module can be received or not;
if yes, transmitting the video data to the data set, and judging the corresponding relation between the video data and the intelligent module by utilizing the FPGA chip in the receiving card according to the video data result returned from the intelligent module;
if not, after a sampling video line is additionally arranged between the intelligent module interface and the data set video interface, when the intelligent module receives the data set video data through the sampling video line, the FPGA chip in the receiving card is used for judging the corresponding relation between the video data and the intelligent module according to the video data result read back from the intelligent module.
Furthermore, if the intelligent module does not support the flat cable detection function, after a sampling video line is additionally arranged between the intelligent module interface and the data set video interface, corresponding video data are read back according to an SPI flash chip in the receiving card.
Furthermore, if the smart module is a smart module including an ARM chip and supports the flat cable detection function, the receiving card reads back the corresponding video data according to the ARM chip in the smart module.
Furthermore, it is integrated with the HUB board to receive the card, be formed with data set video interface and wisdom module interface on the HUB board, receive the predetermined video data of card control and carry the data set through the data set video interface on the HUB board to return to the FPGA chip in receiving the card through wisdom module interface.
The invention also provides an automatic identification system of the intelligent module, which comprises a receiving card, the intelligent module and an FPGA chip, wherein:
the receiving card is connected with the upper computer and the intelligent module; the receiving card is used for receiving the video data transmitted by the upper computer, transmitting the video data to the data set and reading back the video data returned by the intelligent module;
the intelligent module is connected with the receiving card and the data sets, the intelligent module comprises a plurality of data sets, and the intelligent module interface is connected with the data set video interface through a sampling video line and is used for receiving the video data of the data sets and returning the video data to the FPGA chip through the sampling video line;
the FPGA chip is located in the receiving card, connected with the intelligent module interface and used for processing the video data returned by the intelligent module interface to judge the corresponding relation between the video data and the intelligent module.
Furthermore, a winding displacement detection module is integrated in the receiving card, and the winding displacement detection module is connected with the intelligent module and used for judging whether the intelligent module supports a winding displacement detection function or not according to whether video data returned by the intelligent module can be received or not.
Further, still include the HUB board, be formed with wisdom module interface and data set video interface on the HUB board, wherein:
the data group video interface is connected with the receiving card and the data group; the data group video interface is used for transmitting the video data transmitted from the receiving card to the data group; the intelligent module interface is connected with the data set and used for receiving the video data on the data set and transmitting the video data to the FPGA chip in the receiving card; the HUB board is separately arranged or integrated on the receiving card.
Has the advantages that:
the technical scheme of the invention has the following beneficial effects:
(1) the video data in the data set are transmitted to the intelligent module through the video sampling line connected between the data set video interface and the intelligent module interface, and the corresponding video data are returned to the FPGA chip through the intelligent module interface, so that the corresponding relation between the video data and the intelligent module is judged, the automatic identification of the corresponding relation between the intelligent module and the video data is realized, and the problem of setting errors easily caused by manually setting the corresponding relation between the lamp panel and the data set is solved.
(2) The corresponding relation between the video data and the intelligent module is realized under the condition that an additional chip selection signal is not added and the existing intelligent module structure is kept and compatible, and then the tracing of the intelligent module is ensured after the intelligent setting function is completed by the software of the upper computer, namely the normal picture display of the intelligent module is ensured.
(3) When the corresponding relation between the traditional manual setting video data and the wisdom module, if the lamp plate takes place to replace, when setting up correction coefficient for the lamp plate through the receiving card, there is the problem that corresponds the mistake in the correction coefficient that data set video interface given the lamp plate, and then the screen festoons appears, influences the display effect of screen. According to the scheme, the intelligent module is adopted to automatically identify the corresponding relation between the video data and the intelligent module, and the problem that the screen splash and the screen display effect are influenced due to the corresponding error of the correction coefficient can be effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flow chart illustrating automatic identification of a preferred intelligent module according to the present invention;
FIG. 2 is a block diagram of an automatic identification system of a smart module of a HUB integrated with a receiving card according to the present invention;
FIG. 3 is a block diagram of the automatic identification system of intelligent module without HUB board integrated with the receiving card according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment utilizes the video sampling line connected between the data set video interface and the intelligent module interface to transmit the video data in the data set to the intelligent module, and returns the corresponding video data to the FPGA chip in the receiving card through the intelligent module interface, so that the corresponding relation between the video data and the intelligent module is judged, and the problem of setting errors easily caused by manually setting the corresponding relation between the intelligent module and the data set is solved; the data set video interface and the intelligent module interface are arranged in the receiving card and have a relationship with a signal amplifier chip in the receiving card. The specific implementation mode is as follows:
an automatic identification method of an intelligent module comprises the following steps:
step S101: the receiving card acquires preset video data;
step S102: sequentially transmitting preset video data to each data set in the intelligent module through the data set video interface; the intelligent module comprises a plurality of data sets;
step S103: the receiving card reads back the video data on the data set through the intelligent module interface and judges the corresponding relation between the video data and the intelligent module according to the read back video data.
It should be understood that the LED display screen may include a plurality of LED boxes and a plurality of receiving cards, each LED box may include a plurality of smart modules, and each receiving card may be connected to control a plurality of smart modules in one LED box.
In the invention, the concept of data sets is introduced, one intelligent module comprises a plurality of data sets, and the data sets in the intelligent module are arranged according to a preset arrangement sequence.
In the invention, the data set refers to a data set driven by each group of pins of the chip, the three RGB signals form a group of data, the data is a basic unit which is processed by a receiving card on various input signals and outputs the result in a required form to realize the function of the display screen, the data can be understood as lamp points corresponding to video data on hardware, and can be understood as video data corresponding to the lamp points on software, and the corresponding relation between the video data and the intelligent modules is understood here, so as to automatically identify the setting relation between the lamp plates and the data set among the intelligent modules.
Under a normal condition, a video line is connected between the data set video interface and the lamp panel of the intelligent module and used for transmitting video data to the data set in the lamp panel by the receiving card; but the video data in the data set of the previous scheme cannot be returned to the receiving card.
The video data in the data set are transmitted to the intelligent module through the video sampling line connected between the data set video interface and the intelligent module interface, and the corresponding video data are returned to the FPGA chip in the receiving card through the intelligent module interface, so that the corresponding relation between the video data and the intelligent module is judged, and the problem of setting errors easily caused by manually setting the corresponding relation between the lamp panel and the data set is solved.
Each MISO pin corresponding to the interface of the intelligent module (the interface is an interface on a signal amplifier chip) independently returns video data, and the receiving card sequentially transmits the video data to the data set in the corresponding intelligent module after monitoring the position of the interface of the intelligent module; and according to the preset video data read back by each MISO pin on the intelligent module, the corresponding relation between the video data and the intelligent module is judged.
In a preferred embodiment, the receiving card program transmits the predetermined video data to the data set as a predetermined waveform or dynamic transition pattern.
Specifically, firstly, the card receiving program applies dynamic jump patterns (also predetermined video data) to the video data pins of the selected lamp panel data group, namely the data group video interface, sequentially through a circulation mechanism; wherein the dynamic pattern also corresponds to a waveform, e.g. slowly varying 0 and 1 signals, such as 101001; firstly, applying to a first data set, then applying to a second data set, and finally applying to a third data set in sequence; then, the corresponding jump patterns are searched on all MISO pins related to the intelligent module interface of the receiving card, wherein the jump patterns usually have 8 MISOs or 16 or 32 MISOs, the lamp panel can contain a plurality of data sets and at least can contain video data pins connected with the intelligent module interface, and finally, the FPGA chip in the receiving card can quickly judge the corresponding relation between the video data and the intelligent module.
The video data refers to R/G/B signals of the data group interface, and may be any signals, but the signals can be identified by the FPGA chip in the receiving card, and here, a mode of transmitting a predetermined waveform or dynamic jump pattern to the signals is preferably adopted.
In the actual operation process, the condition that the FPGA chip in the receiving card can receive the video data returned from the data set is necessary for realizing automatic identification, so before the corresponding relationship between the video data and the smart module is judged, the connection relationship among the receiving card, the smart module and the data set needs to be detected.
In the actual operation process, before the receiving card transmits preset video data to the data set, whether the intelligent module supports the flat cable detection function is judged by whether the video data returned by the intelligent module can be received or not;
if yes, transmitting the video data to the data set, and judging the corresponding relation between the video data and the intelligent module by utilizing the FPGA chip in the receiving card according to the video data result returned from the intelligent module;
if not, after a sampling video line is additionally arranged between the intelligent module interface and the data set video interface, when the intelligent module receives the data set video data through the sampling video line, the FPGA chip in the receiving card is used for judging the corresponding relation between the video data and the intelligent module according to the video data result read back from the intelligent module.
If the intelligent module does not support the flat cable detection function, after a sampling video line is additionally arranged between the intelligent module interface and the data set video interface, the receiving card reads back corresponding video data according to an SPI flash chip in the receiving card. Specifically, the video data is returned to the FPGA chip of the receiving card through the SPI-MISO pin of the SPI flash chip in the receiving card.
If the intelligent module is an intelligent module comprising an ARM chip and supports the flat cable detection function, the receiving card reads back corresponding video data according to the ARM chip in the intelligent module. The connection between the smart module and the receiving card is determined, and the connection between the smart module and the receiving card is determined, so that the connection between the smart module and the receiving card is determined.
Therefore, the checking content of the flat cable detecting function is to detect the connection condition between the intelligent module and the data set.
As a preferred embodiment, the receiving card is integrated with a HUB board, a data set video interface and a smart module interface are formed on the HUB board, and the receiving card controls preset video data to be transmitted to a data set through the data set video interface on the HUB board and to be returned to an FPGA chip in the receiving card through the smart module interface. Because the HUB board is connected to the receiver card, the modem video interface of the receiver card is also present in the HUB board, as is the smart module.
The invention also provides an automatic identification system of the intelligent module, which comprises a receiving card 1, an intelligent module 3 and an FPGA chip 4, wherein:
the receiving card 1 is connected with the upper computer 5 and the intelligent module 3, and is used for receiving video data transmitted by the upper computer, transmitting the video data to the data group 21 through the data group video interface 61 and reading back the video data returned by the intelligent module;
the intelligent module 3 is connected with the receiving card and the data group 21, the intelligent module 3 comprises a plurality of data groups 21, the intelligent module interface 31 is connected with the data group video interface 21 through a sampling video line, and is used for receiving the video data of the data groups and returning the video data to the FPGA chip 4 through the sampling video line;
the FPGA chip 4 is located in the receiving card 1, is connected with the intelligent module interface 31 and is used for processing the video data returned by the intelligent module interface 31 and judging the corresponding relation between the video data and the intelligent module.
Here, the host computer 5 may pass through the transmitting card 8 when transmitting the video data to the receiving card 1, the host computer 5 is connected to the transmitting card 8 through a video line (including but not limited to an HDMI line and a DVI line), the transmitting card 8 is connected to the receiving card 1 through a network line (including but not limited to a gigabit network line and a hundred mega network line), and the receiving card 1 is located on the smart module 3 and connected to the smart module.
The receiving card 1 is also integrated with a flat cable detection module 7, and the flat cable detection module is connected with the intelligent module and used for judging whether the intelligent module supports a flat cable detection function according to whether video data returned by the intelligent module can be received.
Still include HUB board 6, be formed with wisdom module interface 31 and data set video interface 61 on the HUB board 6, wherein: the data group video interface 61 is connected with the receiving card and the data group; the data group video interface 61 is used for transmitting the video data transmitted from the receiving card to the data group; the intelligent module interface 31 is connected with the data set and used for receiving the video data on the data set and transmitting the video data to the FPGA chip in the receiving card; the HUB board 6 is provided separately or integrated on the receiving card 1.
Under the prerequisite of not increasing extra chip selection signal pin, keep simultaneously with under the compatible current wisdom module structure, realize the corresponding relation to video data and wisdom module, and then follow-up host computer software accomplishes the intelligence and sets up the function after, guarantee drawing a little of wisdom module, also guarantee the normal picture display of wisdom module.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic identification method of an intelligent module is characterized by comprising the following steps:
the intelligent module comprises a plurality of data sets;
the receiving card acquires preset video data and sequentially transmits the preset video data to each data set in the intelligent module through the data set video interface;
the receiving card reads back the video data on the data set through the intelligent module interface and judges the corresponding relation between the video data and the intelligent module according to the read back video data.
2. The method as claimed in claim 1, wherein each MISO interface of the smart module interface independently returns video data, and the receiving card sequentially transmits video data to the corresponding data sets of the smart module after detecting the position of the smart module interface; and according to the preset video data read back by each MISO interface on the intelligent module, the corresponding relation between the video data and the intelligent module is judged.
3. The method as claimed in claim 1, wherein the receiving card program transmits the predetermined video data to the data set as predetermined waveform or dynamic jump pattern.
4. The method as claimed in claim 1, wherein the receiving card determines whether the smart module supports the cable detection function by determining whether it can receive the video data returned from the smart module before transmitting the predetermined video data to the data set;
if yes, transmitting the video data to the data set, and judging the corresponding relation between the video data and the intelligent module by utilizing the FPGA chip in the receiving card according to the video data result returned from the intelligent module;
if not, after a sampling video line is additionally arranged between the intelligent module interface and the data set video interface, when the intelligent module receives the data set video data through the sampling video line, the FPGA chip in the receiving card is used for judging the corresponding relation between the video data and the intelligent module according to the video data result read back from the intelligent module.
5. The method as claimed in claim 4, wherein if the smart module does not support the flat cable detection function, a sampling video line is added between the smart module interface and the data set video interface, and then the receiving card reads back the corresponding video data according to the SPI flash chip in the receiving card.
6. The method as claimed in claim 4, wherein if the smart module is a smart module including an ARM chip and supports a cable detection function, the receiving card reads back the corresponding video data according to the ARM chip in the smart module.
7. The method as claimed in claim 1, wherein the receiving card is integrated with a HUB board, the HUB board is formed with a data set video interface and a smart module interface, and the receiving card controls predetermined video data to be transmitted to the data set through the data set video interface on the HUB board and to be returned to the FPGA chip in the receiving card through the smart module interface.
8. An automatic identification system of a smart module, comprising a receiving card, a smart module and an FPGA chip, using the automatic identification method according to any one of claims 1 to 7, wherein:
the receiving card is connected with the upper computer and the intelligent module; the receiving card is used for receiving the video data transmitted by the upper computer, transmitting the video data to the data set and reading back the video data returned by the intelligent module;
the intelligent module is connected with the receiving card and the data sets, the intelligent module comprises a plurality of data sets, and the intelligent module interface is connected with the data set video interface through a sampling video line and is used for receiving the video data of the data sets and returning the video data to the FPGA chip through the sampling video line;
the FPGA chip is located in the receiving card, connected with the intelligent module interface and used for processing the video data returned by the intelligent module interface and judging the corresponding relation between the video data and the intelligent module.
9. The system as claimed in claim 8, wherein the receiving card further comprises a cable detection module, the cable detection module is connected to the smart module for determining whether the smart module supports the cable detection function according to whether the video data returned from the smart module can be received.
10. The system of claim 9, further comprising a HUB board having a smart module interface and a dataset video interface formed thereon, wherein:
the data group video interface is connected with the receiving card and the data group; the data group video interface is used for transmitting the video data transmitted from the receiving card to the data group;
the intelligent module interface is connected with the data set and used for receiving the video data on the data set and transmitting the video data to the FPGA chip in the receiving card;
the HUB board is separately arranged or integrated on the receiving card.
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