CN114898702B - Automatic identification method and system for intelligent module - Google Patents
Automatic identification method and system for intelligent module Download PDFInfo
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- CN114898702B CN114898702B CN202210473820.7A CN202210473820A CN114898702B CN 114898702 B CN114898702 B CN 114898702B CN 202210473820 A CN202210473820 A CN 202210473820A CN 114898702 B CN114898702 B CN 114898702B
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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, which belong 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 group in the intelligent module through the data group 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 beneficial effects of the invention are as follows: video data in the data set is transmitted to the intelligent module by utilizing a video sampling line connected between the data set video interface and the intelligent module interface, corresponding video data is 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 setting errors are easily caused by manually setting the corresponding relation between the lamp panel and the data set is avoided.
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, and is provided with a plurality of interfaces, such as 10 interfaces, wherein the interfaces are used for being connected with a lamp panel or a module, in the setting function of an intelligent module of software, the mapping relation between a lamp panel data set and the intelligent module is required to be established in the interfaces, in the setting process, the setting is carried out in a manual mode, and as the number of the interfaces is large, the corresponding relation between video interfaces of different interfaces and the intelligent module interface is easy to set wrong, so that the problem that the setting is wrong and is difficult to be perceived is often caused in the manual setting mode, and further the field failure is caused; in addition, when the lamp panel is replaced, when the correction coefficient is set for the lamp panel through the receiving card, the correction coefficient of the video interface for the lamp panel has the problem of corresponding errors, so that the screen is stained, and the display effect of the screen is affected.
The intelligent module is composed of a plurality of lamp panel data sets, the lamp panel sizes of the intelligent module in 1 box are generally the same, if the intelligent module and the lamp panel data sets are bound together, for example, a physical interface is made, then the connection is required to be established according to the physical sequence of the lamp panels, and the requirements on implementation of PCBs and the like are higher, so that the implementation and maintenance are not facilitated.
Accordingly, a need exists for a new approach to solving the above problems.
Disclosure of Invention
In order to solve the problems that the corresponding relation between video interfaces of different interfaces and intelligent module interfaces is easy to set in an error and is difficult to be 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 group in the intelligent module through the data group 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 connect and control a plurality of smart modules in one LED box.
In the present invention, the concept of data sets is introduced, one intelligent module includes a plurality of data sets, and a plurality of data sets in one intelligent module are arranged according to a predetermined arrangement sequence.
In the invention, the data group refers to a data set driven by each group of pins of the chip, three signals of RGB form a group of data, the data is a basic unit for realizing the display screen function by outputting the result in a required form after the processing treatment of various input signals by the receiving card, the data can be understood as a lamp point corresponding to video data in hardware and understood as video data corresponding to the lamp point in 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 panel and the data group between the intelligent modules.
In the normal case, a video line is connected between the data group video interface and the receiving card, and is used for receiving video data on the card and transmitting the video data to the data group; but the video data in the data set cannot be returned to the receiving card.
Video data in the data set is transmitted to the intelligent module by utilizing a video sampling line connected between the data set video interface and the intelligent module interface, and corresponding video data is 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 avoided.
Further, each MISO interface on the intelligent module interface independently returns video data, and after the receiving card monitors the position of the intelligent module interface, the receiving card sequentially transmits the video data to the corresponding data group in the intelligent module; and judging the corresponding relation between the video data and the intelligent module according to the preset video data read back by each MISO interface on the intelligent module.
Further, the receiving card program transmits predetermined video data to the data group in a predetermined waveform or dynamic hopping pattern.
Specifically, firstly, a receiving card program sequentially applies dynamic hopping patterns (also preset video data) to video data pins of a selected lamp panel data group, namely a data group video interface through a circulation mechanism; wherein the dynamic pattern also corresponds to a waveform, e.g., slowly varying 0 and 1 signals, such as 101001; the first data set is applied, then the second data set and finally the third data set are sequentially carried out; then find the corresponding jump pattern on all MISO pins of the interface of the intelligent module of the receiving card, it usually has 8 MISO or 16 or 32, the light board can include a plurality of data groups, and will include the video data pin connected with interface of the intelligent module at least, the FPGA judges the corresponding relation of video data and intelligent module fast finally.
The predetermined video data is transmitted to the data group video interface, and the video data is an R/G/B signal of the data group interface, which may be any signal, but the signal is to be recognized by the FPGA chip, where a manner of transmitting a predetermined waveform or dynamic hopping pattern thereto is preferably adopted.
In the actual operation process, the FPGA chip in the receiving card can receive the video data returned from the data set as a necessary condition for realizing automatic identification, so that the connection relationship among the receiving card, the intelligent module and the data set needs to be detected before judging the corresponding relationship between the video data and the intelligent module.
Further, before the receiving card transmits the preset video data to the data set, whether the intelligent module supports the wire arrangement detection function is judged by whether the receiving card can receive the video data returned by the intelligent module or not;
if so, transmitting video data to the data set, and judging the corresponding relation between the video data and the intelligent module by utilizing an 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 group video interface, when the intelligent module can receive the data group video data through the sampling video line, the FPGA chip in the receiving card is utilized to judge the corresponding relation between the video data and the intelligent module according to the video data result read back from the intelligent module.
Further, if it is determined that the intelligent module does not support the flat cable detection function, after a sampling video cable is additionally installed between the intelligent module interface and the data set video interface, corresponding video data is read back according to the SPI flash chip in the receiving card.
Further, if the intelligent module is an intelligent 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 intelligent module.
Further, the receiving card is integrated with a HUB board, a data set video interface and an intelligent module interface are formed on the HUB board, and the receiving card controls preset video data to be transmitted to the data set through the data set video interface on the HUB board and returned to the FPGA chip in the receiving card through the intelligent 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 video data transmitted by the upper computer, transmitting the video data to the data group 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, the intelligent module interface is connected with the data set video interface through a sampling video line and is used for receiving video data of the data sets, and the video data is returned to the FPGA chip through the sampling video line;
the FPGA chip is positioned in the receiving card, is connected with the intelligent module interface and is 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.
Further, a flat cable detection module is integrated in the receiving card, and the flat cable detection module is connected with the intelligent module and is used for judging whether the intelligent module supports the flat cable detection function according to whether video data returned by the intelligent module can be received.
Further, still include the HUB board, be formed with intelligent module interface and data group 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 video data transmitted from the receiving card to the data group; the intelligent module interface is connected with the data set, and is used for receiving video data on the data set and transmitting the video data to an FPGA chip in the receiving card; the HUB board is provided separately or integrated on the receiving card.
The beneficial effects are that:
the technical scheme of the invention has the following beneficial effects:
(1) Video data in the data set is transmitted to the intelligent module by utilizing a video sampling line connected between the data set video interface and the intelligent module interface, and corresponding video data is 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, namely, 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 avoided.
(2) Under the condition that additional chip selection signals are not added, the corresponding relation between video data and intelligent modules is realized under the condition that the existing intelligent module structure is kept and compatible, and then after the intelligent setting function is finished by the upper computer software, the intelligent module is ensured to be traced, namely the normal picture display of the intelligent module is ensured.
(3) When traditional manual setting up the correspondence between video data and the wisdom module, the lamp plate is replaced if taking place, when setting up correction factor for the lamp plate through the receiving card, data group video interface has the wrong problem of correspondence for the correction factor of lamp plate, and then appears the flower screen, influences the display effect of screen. The intelligent module is used for automatically identifying the corresponding relation between the video data and the intelligent module, so that the problem that the display effect of the screen is affected due to the fact that the correction coefficient corresponds to an error 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 needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of the preferred intelligent module auto-identification process of the present invention;
FIG. 2 is a block diagram of an automatic smart module identification system for a receiving card integrated HUB board according to the present invention;
FIG. 3 is a block diagram of an intelligent module automatic identification system without integrated HUB board for receiving card according to the preferred embodiment of the present invention.
Detailed Description
For the purpose of making 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 clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as 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, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
According to the embodiment, the video data in the data set is transmitted to the intelligent module by utilizing the video sampling line connected between the video interface of the data set and the interface of the intelligent module, and the corresponding video data is returned to the FPGA chip in the receiving card through the interface of the intelligent module, 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 avoided; the data set video interface and the intelligent module interface are arranged in the receiving card and are in relation with the signal amplifier chip in the receiving card. The specific implementation mode is as follows:
an automatic identification method of an intelligent module, comprising:
step S101: the receiving card acquires preset video data;
step S102: transmitting preset video data to each data group in the intelligent module through the data group video interface in sequence; 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 connect and control a plurality of smart modules in one LED box.
In the present invention, the concept of data sets is introduced, one intelligent module includes a plurality of data sets, and a plurality of data sets in one intelligent module are arranged according to a predetermined arrangement sequence.
In the invention, the data group refers to a data set driven by each group of pins of the chip, three signals of RGB form a group of data, the data is a basic unit for realizing the display screen function by outputting the result in a required form after the processing treatment of various input signals by the receiving card, the data can be understood as a lamp point corresponding to video data in hardware and understood as video data corresponding to the lamp point in 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 panel and the data group between the intelligent modules.
Under the normal condition, a video line is connected between the data group video interface and the lamp panel of the intelligent module, and the video line is used for transmitting video data to the data group 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.
Video data in the data set is transmitted to the intelligent module by utilizing a video sampling line connected between the data set video interface and the intelligent module interface, and corresponding video data is 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 avoided.
Here, each MISO pin (the interface refers to the interface on the signal amplifier chip) corresponding to the intelligent module interface independently returns video data, and after the receiving card monitors the position of the intelligent module interface, the receiving card sequentially transmits video data to the corresponding data group in the intelligent module; and judging the corresponding relation between the video data and the intelligent module according to the preset video data read back by each MISO pin on the intelligent module.
As a preferred embodiment, the receiving card program transmits predetermined video data to the data group in a predetermined waveform or dynamic hopping pattern.
Specifically, firstly, a receiving card program sequentially applies dynamic hopping patterns (also preset video data) to video data pins of a selected lamp panel data group, namely a data group video interface through a circulation mechanism; wherein the dynamic pattern also corresponds to a waveform, e.g., slowly varying 0 and 1 signals, such as 101001; the first data set is applied, then the second data set and finally the third data set are sequentially carried out; then find the corresponding jump pattern on all MISO pins of the receiving card about the interface of the intelligent module, it usually has 8 MISO or 16 or 32, the light board can include a plurality of data groups, and will include the video data pin connected with interface of the intelligent module at least, receive the corresponding relation of FPGA chip fast judgement video data and intelligent module in the card finally.
The predetermined video data is transmitted to the data group video interface, and the video data is an R/G/B signal of the data group interface, which may be any signal, but the signal is to be identified by the FPGA chip in the receiving card, where a manner of transmitting a predetermined waveform or dynamic hopping pattern thereto is preferably adopted.
In the actual operation process, the FPGA chip in the receiving card can receive the video data returned from the data set as a necessary condition for realizing automatic identification, so that the connection relationship among the receiving card, the intelligent module and the data set needs to be detected before judging the corresponding relationship between the video data and the intelligent module.
In the actual operation process, before the receiving card transmits the preset video data to the data set, whether the intelligent module supports the wire arrangement detection function is judged by whether the receiving card can receive the video data returned by the intelligent module or not;
if so, transmitting video data to the data set, and judging the corresponding relation between the video data and the intelligent module by utilizing an 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 group video interface, when the intelligent module can receive the data group video data through the sampling video line, the FPGA chip in the receiving card is utilized to judge 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 cable is additionally arranged between the intelligent module interface and the data group 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 flat cable detection function is used for checking the connection condition between the receiving card and the intelligent module, namely checking whether the receiving card can read back the video data in the intelligent module or not, and determining that the connection relationship between the receiving card and the intelligent module is connected in the automatic identification system, wherein the connection relationship between the intelligent module and the data group is caused by the fact that the data group cannot return the video data through the intelligent module due to the internal structure of the intelligent module, so that the predetermined video data (which can be identified by the receiving card is needed) can be transmitted to the data group through the data group, and judging whether the receiving card can read back the predetermined video data from the intelligent module or not, thereby judging the connection condition between the intelligent module and the data group.
Therefore, the checking content of the flat cable detecting function is specifically 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, on which a data set video interface and a smart module interface are formed, and the receiving card controls predetermined video data to be transferred to the data set through the data set video interface on the HUB board and returned to the FPGA chip in the receiving card through the smart module interface. Because the HUB board is connected to the receiving card, the data set video interface of the receiving card is also present in the HUB board with the intelligent 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 set 21 through the data set 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 set 21, the intelligent module 3 comprises a plurality of data sets 21, the intelligent module interface 31 is connected with the data set video interface 61 through a sampling video line and is used for receiving video data of the data sets 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, and is connected to the intelligent module interface 31, and configured to process the video data returned by the intelligent module interface 31 to determine a correspondence between the video data and the intelligent module.
Here, when the host computer 5 transmits video data to the receiving card 1, the video data passes through the transmitting card 8, the host computer 5 is connected with the transmitting card 8 through video lines (including but not limited to HDMI lines and DVI lines), the transmitting card 8 is connected with the receiving card 1 through network lines (including but not limited to gigabit network lines and hundred megalines), and the receiving card 1 is located on the smart module 3 and connected with the smart module.
The receiving card 1 is further integrated with a flat cable detection module 7, and the flat cable detection module is connected with the intelligent module and is 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 intelligent module interface 31 and data group 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 video data transmitted from the receiving card to a data group; the intelligent module interface 31 is connected with the data set, and is used for receiving 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 receiver card 1.
Under the premise of not adding extra chip selection signal pins, the corresponding relation between video data and intelligent modules is realized under the condition of keeping and being compatible with the existing intelligent module structure, and then after the intelligent setting function is finished by the upper computer software, the description point of the intelligent modules is ensured, namely the normal picture display of the intelligent modules is ensured.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. 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 group in the intelligent module through the data group 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 for automatically identifying a smart module according to claim 1, wherein each MISO interface on the smart module interface independently returns video data, and the receiving card sequentially transmits video data to the corresponding data set in the smart module after monitoring the position of the smart module interface; and judging the corresponding relation between the video data and the intelligent module according to the preset video data read back by each MISO interface on the intelligent module.
3. The method of claim 1, wherein the receiving card program transmits predetermined video data to the data set as a predetermined waveform or dynamic hopping pattern.
4. The automatic recognition method of an intelligent module according to claim 1, wherein the receiving card judges whether the intelligent module supports the flat cable detection function by whether the receiving card can receive the video data returned from the intelligent module before transmitting the predetermined video data to the data set;
if so, transmitting video data to the data set, and judging the corresponding relation between the video data and the intelligent module by utilizing an 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 group video interface, when the intelligent module can receive the data group video data through the sampling video line, the FPGA chip in the receiving card is utilized to judge 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 according to claim 4, wherein if the smart module is judged not to support the flat cable detection function, the receiving card reads back the corresponding video data according to the SPI flash chip in the receiving card after a sampling video cable is added between the smart module interface and the data group video interface.
6. The method according to claim 4, wherein if the intelligent module is an intelligent module including an ARM chip and supports a flat cable detection function, the receiving card reads back corresponding video data according to the ARM chip in the intelligent module;
wherein the checking content of the flat cable detecting function is to detect the connection condition between the intelligent module and the data set.
7. The automatic recognition method of an intelligent module according to claim 1, wherein the receiving card is integrated with a HUB board, a data group video interface and an intelligent module interface are formed on the HUB board, and the receiving card controls predetermined video data to be transmitted to the data group through the data group video interface on the HUB board and returned to the FPGA chip in the receiving card through the intelligent module interface.
8. An automatic identification system of an intelligent module, comprising a receiving card, an intelligent module and an FPGA chip, employing the automatic identification method of any one of claims 1-7, wherein:
the receiving card is connected with the upper computer and the intelligent module; the receiving card is used for receiving video data transmitted by the upper computer, transmitting the video data to the data group 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, the intelligent module interface is connected with the data set video interface through a sampling video line and is used for receiving video data of the data sets, and the video data is returned to the FPGA chip through the sampling video line;
the FPGA chip is positioned in the receiving card, is connected with the intelligent module interface and is 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.
9. The automatic recognition system of claim 8, wherein the receiving card further comprises a flat cable detection module, the flat cable detection module is connected to the intelligent module, and is configured to determine whether the intelligent module supports the flat cable detection function according to whether video data returned from the intelligent module can be received.
10. The automatic recognition system of claim 9, further comprising a HUB board, wherein the HUB board is formed with an intelligent module interface and a data set video interface, 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 video data transmitted from the receiving card to the data group;
the intelligent module interface is connected with the data set, and is used for receiving video data on the data set and transmitting the video data to an FPGA chip in the receiving card;
the HUB board is provided separately or integrated on the receiving card.
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