CN112885276A - Display screen control method, controller, control system and splicing card - Google Patents
Display screen control method, controller, control system and splicing card Download PDFInfo
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- CN112885276A CN112885276A CN201911200784.1A CN201911200784A CN112885276A CN 112885276 A CN112885276 A CN 112885276A CN 201911200784 A CN201911200784 A CN 201911200784A CN 112885276 A CN112885276 A CN 112885276A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 24
- 230000003993 interaction Effects 0.000 claims abstract description 24
- 230000004044 response Effects 0.000 claims description 16
- 230000004048 modification Effects 0.000 description 20
- 238000012986 modification Methods 0.000 description 20
- 230000015654 memory Effects 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000003860 storage Methods 0.000 description 8
- 238000012790 confirmation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
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- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
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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
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
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Abstract
The embodiment of the invention relates to a display screen splicing card, a display screen control method, a display screen controller and a display screen control system. The display screen splicing card comprises: a circuit board; a microcontroller disposed on the circuit board; the serial communication interface is arranged on the circuit board and is electrically connected with the microcontroller; the human-computer interaction module is arranged on the circuit board and is electrically connected with the microcontroller; the display driving chip is arranged on the circuit board and is electrically connected with the microcontroller; the display module is electrically connected with the display driving chip; the serial communication interface is used for connecting a sending card, and the sending card is used for carrying at least one scanning card for driving a target display screen. The display screen splicing card provided by the embodiment of the invention can avoid the complicated steps of setting by a user by connecting a mobile phone with a sending card in the prior art.
Description
Technical Field
The invention relates to the technical field of display screen control, in particular to a display screen control method, a display screen controller, a display screen control system and a display screen splicing card.
Background
As the display screen displays larger and larger pictures, the number of sending cards required for controlling the display screen to display the pictures is also larger and larger. In the prior art, a user needs to set a plurality of sending cards at a mobile phone end, so that the plurality of sending cards are spliced together to display a complete picture, and the sending cards participating in the picture splicing need to log in the mobile phone end at the same time in the setting process of the mobile phone end to be set at one time, so that the sending cards participating in the picture splicing are required to be clamped under a local area network, however, all the sending cards are difficult to be clamped in the local area network on site, and in this situation, the user needs to connect one sending card for setting, and the operation is inconvenient.
Disclosure of Invention
Therefore, the embodiment of the invention provides a display screen control method, a display screen controller, a display screen control system and a display screen splicing card, and avoids the complicated steps of setting by connecting a sending card with a mobile phone by a user in the prior art.
Specifically, in a first aspect, an embodiment of the present invention provides a display screen splicing card, including: a circuit board; a microcontroller disposed on the circuit board; the serial communication interface is arranged on the circuit board and is electrically connected with the microcontroller; the human-computer interaction module is arranged on the circuit board and is electrically connected with the microcontroller; the display driving chip is arranged on the circuit board and is electrically connected with the microcontroller; the display module is electrically connected with the display driving chip; the serial communication interface is used for connecting a sending card, and the sending card is used for carrying at least one scanning card for driving a target display screen.
In the prior art, a user needs to set a plurality of sending cards at a mobile phone end, so that the plurality of sending cards are spliced together to display a complete picture, and the sending cards participating in the picture splicing need to log in the mobile phone end at the same time in the setting process of the mobile phone end to be set at one time, so that the sending cards participating in the picture splicing are required to be clamped under a local area network, however, all the sending cards are difficult to be clamped in the local area network on site, and in this situation, the user needs to connect one sending card for setting, and the operation is inconvenient. The embodiment of the invention provides a display screen splicing card for connecting a sending card, a user can directly set the sending card through the display screen splicing card, the complex steps that the user uses a mobile phone to connect the sending card for setting in the prior art are avoided, the structure is simple, the operation is convenient, the mobile phone is not needed to participate, the display screen splicing flow is simplified, the user requirements are met, and the efficiency of setting the sending card is improved.
In one embodiment of the invention, the human-computer interaction module comprises a key, and the key is electrically connected with the microcontroller; the display module comprises a nixie tube, and the nixie tube is electrically connected with the display driving chip.
In an embodiment of the present invention, the aforementioned display screen splicing card further includes: and the signal indicator lamp is arranged on the circuit board and electrically connected with the microcontroller and is used for indicating the current working mode.
In one embodiment of the invention, the key and the nixie tube are located on the same side of the circuit board.
In a second aspect, an embodiment of the present invention provides a display screen controller, including: display screen concatenation card includes: a first circuit board; the first microcontroller is arranged on the first circuit board; the serial communication interface is arranged on the first circuit board and is electrically connected with the first microcontroller; the human-computer interaction module is arranged on the first circuit board and is electrically connected with the first microcontroller; the display driving chip is arranged on the first circuit board and is electrically connected with the first microcontroller; the display module is arranged on the first circuit board and is electrically connected with the display driving chip; display screen control card includes: a second circuit board; the second microcontroller is arranged on the second circuit board; the programmable logic device is arranged on the second circuit board and is electrically connected with the second microcontroller; the network port is arranged on the second circuit board and is electrically connected with the second microcontroller; the serial communication interface of the display screen splicing card is electrically connected with the second microcontroller of the display screen control card, and the network port of the display screen control card is used for connecting a scanning card for driving a target display screen.
In the prior art, a user needs to set a plurality of sending cards at a mobile phone end, so that the plurality of sending cards are spliced together to display a complete picture, and the sending cards participating in the picture splicing need to log in the mobile phone end at the same time in the setting process of the mobile phone end to be set at one time, so that the sending cards participating in the picture splicing are required to be clamped under a local area network, however, all the sending cards are difficult to be clamped in the local area network on site, and in this situation, the user needs to connect one sending card for setting, and the operation is inconvenient. The embodiment of the invention provides a display screen controller which comprises a display screen splicing card and a display screen control card, wherein the display screen splicing card is used for setting the display screen control card, so that the complicated steps that a user uses a mobile phone to connect a sending card for setting in the prior related art are avoided, the display screen splicing card is directly used for setting the display screen control card, the operation is convenient, the participation of the mobile phone is not needed, the display screen splicing flow is simplified, the user requirements are met, and the efficiency of setting the display screen control card is improved.
In one embodiment of the invention, the human-computer interaction module of the display screen splicing card comprises a key, and the key is electrically connected with the first microcontroller; the display module comprises a nixie tube, and the nixie tube is connected with the display driving chip.
In an embodiment of the present invention, the display screen splicing card in the foregoing display screen controller further includes: and the signal indicator lamp is arranged on the first circuit board and electrically connected with the first microcontroller and is used for indicating the current working mode of the display screen splicing card.
In an embodiment of the present invention, the display screen controller further includes: the display screen splicing card and the display screen control card are arranged inside the box body, and the keys, the nixie tubes and the signal indicator lamps of the display screen splicing card are exposed out of the box body.
In a third aspect, an embodiment of the present invention provides a display screen control system, including: a display screen controller as claimed in any preceding claim; the scanning card is electrically connected with the network port of the display screen controller; and the target display screen is electrically connected with the scanning card.
In a fourth aspect, an embodiment of the present invention provides a display screen control method, which is suitable for being executed in any one of the display screen splicing cards, and includes: acquiring and storing the maximum splicing number, the initial splicing serial number and the initial brightness information of a target display screen; responding to a first operation of a user, and confirming a current working mode; responding to a second operation of a user in response to the fact that the current working mode is the first working mode, modifying the initial splicing serial number to obtain a target splicing serial number, and sending the target splicing serial number to a display screen control card; responding to a third operation of a user in response to the fact that the current working mode is the second working mode, modifying the initial brightness information to obtain target brightness information, and sending the target brightness information to the display screen control card; and responding to a fourth operation of a user in response to the fact that the current working mode is a third working mode, modifying the maximum splicing number to obtain a target splicing number, and sending the target splicing number to the display screen control card.
In the prior art, a user needs to set a plurality of sending cards at a mobile phone end, so that the plurality of sending cards are spliced together to display a complete picture, and the sending cards participating in the picture splicing need to log in the mobile phone end at the same time in the setting process of the mobile phone end to be set at one time, so that the sending cards participating in the picture splicing are required to be clamped under a local area network, however, all the sending cards are difficult to be clamped in the local area network on site, and in this situation, the user needs to connect one sending card for setting, and the operation is inconvenient. The embodiment of the invention provides a display screen control method, which is characterized in that a current working mode is determined in response to user operation, and related parameters are set and sent to a display screen control card in response to the user operation again, so that the complicated steps that a user uses a mobile phone to connect a sending card for setting in the prior related art are avoided, the display screen control card can be directly set, the operation is convenient, the participation of the mobile phone is not needed, the display screen splicing process is simplified, the user requirements are met, and the efficiency of setting the display screen control card is improved.
In a fifth aspect, an embodiment of the present invention provides a display screen control apparatus, including: the system comprises an information acquisition module, a mode confirmation module, a serial number modification module, a brightness modification module and a quantity modification module; the information acquisition module is used for acquiring and storing the maximum splicing number, the initial splicing serial number and the initial brightness information of the target display screen; the mode confirmation module is used for responding to the first operation of the user and confirming the current working mode; the sequence number modification module is used for responding to a first working mode of the current working mode, responding to a second operation of a user, modifying the initial splicing sequence number to obtain a target splicing sequence number, and sending the target splicing sequence number to a display screen control card; the brightness modification module is used for responding to the second working mode of the current working mode, responding to the third operation of a user, modifying the initial brightness information to obtain target brightness information, and sending the target brightness information to the display screen control card; and the quantity modification module is used for responding to the third working mode of the current working mode, responding to the fourth operation of the user, modifying the maximum splicing quantity to obtain a target splicing quantity, and sending the target splicing quantity to the display screen control card.
In a sixth aspect, an embodiment of the present invention provides a display screen control system, including: a processor and a memory coupled to the processor; wherein the memory stores instructions for execution by the processor and which cause the processor to perform operations for performing the display control method as described above.
In a seventh aspect, an embodiment of the present invention provides a computer-readable storage medium, which is a non-volatile memory and stores computer-readable instructions, where the computer-readable instructions include instructions for executing the display screen control method.
As can be seen from the above, the embodiments of the present invention can achieve one or more of the following advantages: the method has the advantages that the complicated steps that a user uses a mobile phone to connect the sending card for setting in the prior art are avoided, the display screen control card can be directly set, the operation is convenient, the participation of the mobile phone is not needed, the display screen splicing flow is simplified, the user requirements are met, and the efficiency of setting the display screen control card is improved.
Other aspects and features of the present invention will become apparent from the following detailed description, which proceeds with reference to the accompanying drawings. It is to be understood, however, that the drawings are designed solely for purposes of illustration and not as a definition of the limits of the invention. It should be further understood that the drawings are not necessarily drawn to scale and that, unless otherwise indicated, they are merely intended to conceptually illustrate the structures and procedures described herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a display screen splicing card according to a first embodiment of the present invention;
fig. 2 is another schematic structural diagram of a display screen splicing card according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display screen splicing card according to a specific implementation manner of the first embodiment of the present invention;
FIG. 4 is a system architecture diagram of the system in which the display screen tile card of FIG. 3 is located;
FIG. 5 is a flowchart illustrating steps of a display control method according to a second embodiment of the present invention;
fig. 6 is a block diagram of a display screen control device according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a display screen controller according to a fourth embodiment of the present invention;
fig. 8 is a schematic structural diagram of a display screen controller according to a fourth embodiment of the present invention;
fig. 9 is a schematic structural diagram of a display screen control system according to a fifth embodiment of the present invention;
fig. 10 is a flowchart illustrating a configuration of a display screen control system according to a sixth embodiment of the present invention;
fig. 11 is a schematic structural diagram of a computer-readable storage medium according to a seventh embodiment of the present invention.
[ description of reference ]
10: a display screen splicing card; 11: a circuit board; 12: a microcontroller; 13: a display driving chip; 14: a display module; 15: a human-computer interaction module; 16: a serial communication interface;
S11-S15: a display screen control method step;
20: a display screen control device; 21: an information acquisition module; 22: a mode confirmation module; 23: a sequence number modification module; 24: a brightness modification module; 25: a quantity modification module;
30: a display screen controller; 31: a display screen splicing card; 32: a display screen control card; 33: a box body; 311: a circuit board; 312: a microcontroller; 313: a display driving chip; 314: a display module; 315: a human-computer interaction module; 316: a serial communication interface; 317: a signal indicator light; 321: a circuit board; 322: a microcontroller; 323: a programmable logic device; 324: a network port;
40: a display screen control system; 41: a display screen controller; 42: scanning the card; 43: a target display screen;
50: a display screen control system; 51: a processor; 52: a memory;
60: a computer readable storage medium.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The invention will be described in connection with embodiments with reference to the drawings.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not a whole embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the division of the embodiments of the present invention is only for convenience of description and should not be construed as a limitation, and features of various embodiments may be combined and referred to each other without contradiction.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1, a first embodiment of the present invention provides a display screen splicing card. As shown in fig. 1, the display screen splicing card 10 includes, for example, a circuit board 11, and a microcontroller 12, a display driver chip 13, a display module 14, a human-computer interaction module 15, and a serial communication interface 16, which are disposed on the circuit board 11. Here, the display module 14 may not be provided on the circuit board 11.
The serial communication interface 16 is electrically connected with the microcontroller 12, the human-computer interaction module 15 is electrically connected with the microcontroller 12, the display driving chip 13 is electrically connected with the microcontroller 12, and the display module 14 is electrically connected with the display driving chip 13. The serial communication interface 16 is used to connect a transmitting card for carrying at least one scan card that drives a target display screen.
Further, the display screen splicing card 10 provided by the embodiment is used for connecting a sending card in an LED display screen control system to set the sending card. Specifically, the serial communication interface 16 of the display screen splicing card 10 is connected to the MCU of the transmitting card, and the microcontroller 12 of the display screen splicing card 10 is mainly used for: acquiring and storing the maximum splicing number, the initial splicing number and the initial brightness information of a target display screen from a sending card through a serial communication interface 16, responding to a first operation of a user in a man-machine interaction module 15, confirming a current working mode, responding to a first working mode of the current working mode, responding to a second operation of the user in the man-machine interaction module 15, modifying the initial splicing number to obtain a target splicing number, sending the target splicing number to the sending card, responding to a second working mode of the current working mode, responding to a third operation of the user in the man-machine interaction module 15, modifying the initial brightness information to obtain target brightness information, sending the target brightness information to the sending card, responding to a fourth operation of the user in the man-machine interaction module 15, modifying the maximum splicing number to obtain the target splicing number, and sending the target splicing number to a sending card.
The first mentioned working mode is a mode for modifying splicing serial number, the second mentioned working mode is a mode for modifying brightness information, and the third mentioned working mode is a mode for modifying splicing number. The maximum splicing number mentioned may be understood as the number of the transmission cards carrying the target display screen, the initial splicing number may be understood as the splicing number stored in the transmission card connected to the display screen splicing card, and the initial brightness information may be understood as the brightness information stored in the transmission card.
Further, the human-computer interaction module 15 includes, for example, a key electrically connected to the microcontroller 12, and a user can interact with the display screen splicing card 10 through the key, which is simple to operate. The display module 14 includes, for example, a nixie tube electrically connected to the display driving chip 13, and a user can know a specific value of a current setting parameter in real time through content displayed by the nixie tube, so that the display module is intuitive and clear.
Further, the keys and the nixie tube are located on the same side of the circuit board 11, for example. Therefore, when the display screen splicing card is installed on the box body, the keys and the digital tubes are exposed out of the same side of the box body, and the operation of a user is facilitated.
Further, as shown in fig. 2, the display screen splicing card 10 provided in this embodiment further includes, for example: and the signal indicator lamp 17 is arranged on the circuit board 11 and is electrically connected with the microcontroller 12. The signal indicator lamp 17 is used for indicating different working modes of the display screen splicing card 10, and specifically, when the display screen splicing card 10 is located in different working modes, the signal indicator lamp 17 can display different colors or flash different times.
Specifically, the circuit board 11 is, for example, a PCB board. The Microcontroller 12 is, for example, an MCU (Microcontroller Unit), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors having certain data processing and computing capabilities, such as ARM processors and DSP processors, for example, the microcontroller 12 is a main card GD32, for example. The display driving chip 13 is a chip for driving the display module 14, and for example, the model of the display driving chip is MBI 5024. The display module 14 includes, for example, a nixie tube. The human-machine interaction module 15 comprises, for example, keys. The serial communication interface 16, i.e. the serial port, is a UART interface, for example. The signal indicator lamp 17 is, for example, an LED lamp.
For ease of understanding, a specific embodiment of the display screen splicing card provided in the present embodiment will be briefly described below with reference to fig. 3 and 4.
As shown in fig. 3, the display screen splicing card disclosed in this embodiment includes a serial port, a master control GD32 connected to the serial port, a power chip connected to the master control GD32, an MBI5024 connected to the master control GD32, an LED lamp connected to the master control GD32, and a nixie tube connected to the MBI 5024. Wherein, the MBI5024 is a driving chip for driving the nixie tube.
As shown in fig. 4, the display screen splicing card is suitable for a system including a sending card, a receiving card and an LED display screen, wherein the serial port of the display screen splicing card is connected with the sending card, the sending card is connected with at least one receiving card, the receiving card is connected with the LED display screen, i.e. a plurality of sending cards carry the LED display screen, and each sending card is correspondingly connected with one display screen splicing card.
First, the whole system is powered on, and each display screen splicing card is powered on and then performs the same operation. And the GD32 of the display screen splicing card obtains and stores the maximum splicing number, the initial splicing serial number and the initial brightness information of the target display screen from the sending card through the serial port. The display screen splicing card comprises three working modes: the splicing number mode is modified, the brightness information mode is modified, and the splicing number mode is modified, the default working mode is the splicing number mode, after information is acquired by electrifying, the GD32 of the display screen splicing card can display the maximum splicing number on the nixie tube through MBI5024, a user can select the working mode of the display screen splicing card according to the requirement of the user, namely, the working mode is selected through a key, the LED lamp indicates different working modes, for example, the user selects different working modes, the brightness and the color of the LED lamp are different, or the flashing times of the LED lamp are different. When the user selects the current working mode as the mode for modifying the splicing serial number, the user can modify the current splicing serial number through a key and check the modified splicing serial number in real time from the nixie tube to obtain a target splicing serial number, and the GD32 sends the target splicing serial number to the sending card. When the user selects the current working mode as the splicing number modification mode, the user can modify the maximum splicing number through a key, check the maximum splicing number from the nixie tube in real time to obtain the target splicing number, and send the target splicing number to the sending card. When the user selects the current working mode as the brightness information modification mode, the user can modify the initial brightness information through the key, view the brightness information from the nixie tube in real time to obtain target brightness information, and send the target brightness information to the sending card. For the sending card, after receiving the information sent by the display screen splicing card, the sending card stores the information and replaces the original stored information, so that the configuration of the receiving card is updated, and the splicing of the LED display screen is realized.
In summary, the embodiment of the present invention provides a display screen splicing card 10, which is used for connecting a sending card, so as to avoid the tedious steps of setting by a user using a mobile phone to connect the sending card in the prior art, and has the advantages of simple structure, convenient operation, no need of participation of the mobile phone, simplified display screen splicing flow, user requirements satisfied, and improved efficiency of setting the sending card.
[ second embodiment ]
Referring to fig. 5, a second embodiment of the present invention provides a display screen control method. As shown in fig. 5, the display screen control method includes, for example, steps S11 to S15.
Step S11: acquiring and storing the maximum splicing number, the initial splicing serial number and the initial brightness information of a target display screen;
step S12: responding to a first operation of a user, and confirming a current working mode;
step S13: responding to a second operation of a user in response to the fact that the current working mode is the first working mode, modifying the initial splicing serial number to obtain a target splicing serial number, and sending the target splicing serial number to a display screen control card;
step S14: responding to a third operation of a user in response to the fact that the current working mode is the second working mode, modifying the initial brightness information to obtain target brightness information, and sending the target brightness information to the display screen control card;
step S15: and responding to a fourth operation of a user in response to the fact that the current working mode is a third working mode, modifying the maximum splicing number to obtain a target splicing number, and sending the target splicing number to the display screen control card.
Specifically, the display screen control method provided in this embodiment is suitable for being implemented in the display screen splicing card described in the first embodiment, and the display screen splicing card communicates with the display screen control card. The target display screen mentioned in step S11 is, for example, an LED display screen, the maximum splicing number mentioned is, for example, the number of display screen control cards required for loading the target display screen, the initial splicing number mentioned is, for example, the splicing number stored in the connected display screen control card, and the initial brightness information mentioned is, for example, the brightness information stored in the display screen control card.
The first operation mentioned in step S12 is, for example, a key operation of the user, and here, it may be understood that the user presses a key of the display screen splicing card to confirm the current operation mode in combination with the signal indicator lamp.
The first working mode mentioned in the step S13 is, for example, a mode of modifying the splicing serial number, and the second operation mentioned is, for example, a key operation of the user, where it can be understood that the nixie tube of the display screen splicing card displays the initial splicing serial number, the user can increase or decrease the initial splicing serial number by pressing a key to obtain the target splicing serial number, and then send the target splicing serial number to the display screen control card, and the display screen control card will replace the originally stored initial splicing serial number after receiving the target splicing serial number, thereby completing the modification of the splicing serial number of the display screen control card. The mentioned display control card is for example a sending card in an LED display control system.
The second working mode mentioned in step S14 is, for example, a brightness information modification mode, and the third operation mentioned is, for example, a key operation of the user, where it can be understood that the nixie tube of the display screen splicing card displays the initial brightness information, the user can modify the initial brightness information by pressing a key to obtain the target brightness information, and then send the target brightness information to the display screen control card, and the display screen control card will replace the originally stored initial brightness information after receiving the target brightness information, thereby completing the modification of the brightness information of the display screen control card.
The third working mode mentioned in step S15 is, for example, a mode of modifying the splicing number, where the third operation is, for example, a key operation of a user, where it may be understood that the nixie tube of the display screen control card displays the maximum splicing number, and the user may modify the maximum splicing number by using a key to obtain a target splicing number, and then send the target splicing number to the display screen control card, and the display screen control card may replace the originally stored maximum splicing number after receiving the target splicing number, so that the modification of the maximum splicing number of the display screen control card is completed.
It should be noted that the display screen control method provided in this embodiment is implemented in the display screen splicing card provided in the first embodiment, and specifically, the display screen control method provided in this embodiment is implemented in the microcontroller of the display screen splicing card provided in the first embodiment.
In summary, embodiments of the present invention provide a display screen control method, which determines a current working mode in response to a user operation, and sets a relevant parameter to be sent to a display screen control card in response to the user operation again, so as to avoid a complicated step in the prior art that a user uses a mobile phone to connect a sending card for setting, directly set the display screen control card, facilitate operation, and do not need a mobile phone to participate in the setting, simplify a display screen splicing process, meet a user requirement, and improve efficiency of setting the display screen control card.
[ third embodiment ]
Referring to fig. 6, a third embodiment of the present invention provides a display screen control device. As shown in fig. 6, the display screen control device 20 includes, for example: the system comprises an information acquisition module 21, a mode confirmation module 22, a serial number modification module 23, a brightness modification module 24 and a quantity modification module 25.
The information obtaining module 21 is configured to obtain and store the maximum splicing number, the initial splicing sequence number, and the initial brightness information of the target display screen. The mode confirmation module 22 is configured to confirm the current operation mode in response to a first operation by the user. And the sequence number modification module 23 is used for responding to the first working mode of the current working mode, responding to the second operation of the user, modifying the initial splicing sequence number to obtain a target splicing sequence number, and sending the target splicing sequence number to the display screen control card. The brightness modification module 24 is configured to respond to a third operation of the user in response to that the current working mode is the second working mode, modify the initial brightness information to obtain target brightness information, and send the target brightness information to the display screen control card. And the quantity modifying module 25 is configured to respond to a fourth operation of the user in response to that the current working mode is a third working mode, modify the maximum splicing quantity to obtain a target splicing quantity, and send the target splicing quantity to the display screen control card.
It should be noted that the display control method implemented by the display control device 20 of the present embodiment is as described in the second embodiment, and therefore, the detailed description thereof is omitted. Optionally, each module and the other operations or functions in the third embodiment are respectively for implementing the method in the second embodiment of the present invention, and the advantageous effect of the display screen control device 20 provided in this embodiment is the same as that of the method described in the first embodiment, and for brevity, no further description is provided here.
[ fourth example ] A
Referring to fig. 7, a fourth embodiment of the present invention provides a display screen controller. As shown in fig. 7, the display controller 30 includes, for example, a display splice card 31 and a display control card 32.
Specifically, the display screen splicing card 31 includes, for example: the display device comprises a circuit board 311, and a microcontroller 312, a display driving chip 313, a display module 314, a human-computer interaction module 315 and a serial communication interface 316 which are arranged on the circuit board 311. Wherein the serial communication interface 316 is electrically connected to the microcontroller 312. The human-computer interaction module 315 is electrically connected to the microcontroller 312. The display driver chip 313 is electrically connected to the microcontroller 312. The display module 314 is electrically connected to the display driving chip 313. The display control card 32 includes, for example: a circuit board 321, and a microcontroller 322, a programmable logic device 323 and a network interface 324 arranged on the circuit board 321. The programmable logic device 323 is electrically connected to the microcontroller 322. The network port 324 is electrically connected to the microcontroller 322.
The serial communication interface 316 of the display screen splicing card 31 is electrically connected to the microcontroller 322 of the display screen control card 32, and the network port 324 of the display screen control card 32 is used for connecting a scan card for driving a target display screen.
Further, the man-machine interaction module 315 of the display screen splicing card 31 includes, for example, a key electrically connected to the microcontroller 312. The display module 314 includes, for example, a nixie tube connected to the display driver chip 313.
Further, as shown in fig. 8, the display screen splicing card 31 further includes, for example: the signal indicator light 317 is disposed on the circuit board 31 and electrically connected to the microcontroller 312.
Further, as shown in fig. 8, the display screen controller 30 provided in this embodiment further includes, for example: and a case 33. The display screen splicing card 31 and the display screen control card 32 are arranged inside the box body 33, and the keys, the nixie tubes and the signal indicator lamps 317 of the display screen splicing card 31 are exposed out of the box body 33. The display screen splicing card 31 and the display screen control card 32 are accommodated through the box body 33, and the keys, the nixie tubes and the signal indicating lamps of the display screen splicing card 31 are exposed, so that the man-machine interaction operation of a user is facilitated, and the user experience is improved.
Specifically, the circuit board 311 and the circuit board 321 are, for example, PCB boards. The microcontrollers 312 and 322 are, for example, an MCU (Microcontroller Unit), also called a Single Chip Microcomputer (Single Chip Microcomputer) or a Single Chip Microcomputer; or other microprocessors with certain data processing and computing capabilities, such as ARM processors and DSP processors, for example, the microcontroller 312 is a main card GD32, for example. The display driving chip 313 is a chip for driving the display module 314, for example, the model of the display driving chip 313 is MBI 5024. The display module 314 includes, for example, a nixie tube. The human-machine interaction module 315 includes, for example, a key. The serial communication interface 316 is, for example, a UART interface. The Programmable logic device 323 is, for example, an FPGA (Field-Programmable Gate Array) or other similar logic device. The port 324 is, for example, a gigabit port, such as an RJ45 port.
Further, the display control card 32 in the display controller 30 provided in this embodiment is also referred to as a sending card, and for example, further includes: a nonvolatile memory such as a flash memory and a video source input interface such as an HDMI interface or a DVI interface are connected to the programmable logic device 323.
It should be noted that the display screen splicing card 31 in the display screen controller 30 provided in this embodiment is, for example, the display screen splicing card 10 provided in the first embodiment, and for specific description of the display screen splicing card 31, reference may be made to the first embodiment, the display screen splicing card 31 in the display screen controller 30 provided in this embodiment is used to implement the display screen control method described in the second embodiment, and for specific description of the display screen control method, reference may be made to the second embodiment, and for brevity, no further description is given here. The display screen control card 32 in the display screen controller 30 provided by the embodiment of the invention is a sending card in an LED display screen control system, and the display screen splicing card 31 and the display screen control card 32 are combined into a box structure in the embodiment of the invention, so that the operation of a user is facilitated, and the product yield is increased.
In summary, the embodiment of the present invention provides a display controller 30, which includes a display splicing card 31 and a display control card 32, and the display splicing card 31 is used to set the display control card 32, so as to avoid the tedious steps of setting by a user using a mobile phone to connect a sending card in the prior art, and directly using the display splicing card to set the display control card is convenient to operate, does not need a mobile phone to participate, simplifies the display splicing process, meets the user requirements, and improves the efficiency of setting the display control card.
[ fifth embodiment ]
Referring to fig. 9, a fifth embodiment of the present invention provides a display screen control system. As shown in fig. 9, the display screen control system 40 includes, for example: a display controller 41, a scan card 42, and a target display 43.
The display controller 41 provided in this embodiment is, for example, the display controller 30 provided in the fourth embodiment, and for the description of the display controller 30, reference may be made to the fourth embodiment, and for brevity, no further description is provided here.
The scan card 42 is electrically connected to the network port of the display controller 41. The scan card, also called a receiving card, is mainly used to drive the target display screen 43 for displaying images. The scan card 42 includes, for example, a circuit board, such as a PCB, a network port, such as RJ45, a programmable logic device, such as an FPGA, connected to the circuit board, a memory, such as a volatile memory SDRAM, a programmable logic device, such as an MCU, connected to the circuit board, and a pin header connector connected to the programmable logic device. The network port of the scanning card 42 is connected with the network port of the display screen control card in the display screen controller 40.
The target display screen 43 is electrically connected to the scanning card 42, and the target display screen is, for example, an LED display screen and is formed by splicing a plurality of LED boxes. The display screen control system 40 provided in this embodiment does not limit the number of the scan cards 42 and the display screen controllers 41, the target display screen 43 may be connected to a plurality of scan cards 42, and the plurality of scan cards 42 may be loaded by the plurality of display screen controllers 41.
It should be noted that, the specific operation process of the display screen control system 40 provided in this embodiment can refer to the description of the specific implementation manner of the first embodiment, and therefore, for the sake of brevity, a detailed description is not provided herein. The technical effect of the display screen control system 40 provided in this embodiment is the same as that of the display screen splicing card in the first embodiment, and is not described herein again.
[ sixth embodiment ]
Referring to fig. 10, a sixth embodiment of the present invention provides a display screen control system. As shown in fig. 10, the display screen control system 50 includes, for example: a processor 51 and a memory 52 connected to the processor 51. Wherein the memory 52 stores instructions executed by the processor 51, and the instructions cause the processor 51 to perform operations to perform the display screen control method according to the second embodiment.
The display control method performed by the processor 51 according to the second embodiment is the same as that of the display control system 50 according to the first embodiment, and therefore, the detailed description thereof is omitted. Optionally, each processor and each memory in this embodiment are respectively for implementing the method in the second embodiment of the present invention, and the technical effect of the display screen control system 50 provided in this embodiment is the same as that of the display screen control method in the second embodiment, and details are not described here again.
[ seventh example ]
Referring to fig. 11, a seventh embodiment of the present invention provides a computer-readable storage medium. As shown in fig. 11, computer-readable storage medium 60 stores computer-readable instructions. The computer readable instructions include instructions for executing the display screen control method according to the second embodiment, and therefore, will not be repeated here. The computer-readable storage medium 60 is, for example, a non-volatile memory, and includes: magnetic media (e.g., hard disks, floppy disks, and magnetic tape), optical media (e.g., CDROM disks and DVDs), magneto-optical media (e.g., optical disks), and hardware devices specially constructed for storing and executing computer-executable instructions (e.g., Read Only Memories (ROMs), Random Access Memories (RAMs), flash memories, etc.). Computer-readable storage medium 60 may execute computer-readable instructions by one or more processors or processing devices. The technical effect of the computer-readable storage medium 60 provided in this embodiment is the same as that of the display screen control method in the second embodiment, and is not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and/or method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and the actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A display screen splicing card, comprising:
a circuit board;
a microcontroller disposed on the circuit board;
the serial communication interface is arranged on the circuit board and is electrically connected with the microcontroller;
the human-computer interaction module is arranged on the circuit board and is electrically connected with the microcontroller;
the display driving chip is arranged on the circuit board and is electrically connected with the microcontroller;
the display module is electrically connected with the display driving chip;
the serial communication interface is used for connecting a sending card, and the sending card is used for carrying at least one scanning card for driving a target display screen.
2. The display screen splicing card of claim 1, wherein the human-computer interaction module comprises a key, the key being electrically connected to the microcontroller; the display module comprises a nixie tube, and the nixie tube is electrically connected with the display driving chip.
3. The display screen splicing card of claim 2, further comprising: and the signal indicator lamp is arranged on the circuit board and electrically connected with the microcontroller and is used for indicating the current working mode.
4. The display screen splicing card of claim 2, wherein the key and the nixie tube are located on the same side of the circuit board.
5. A display screen controller, comprising:
display screen concatenation card includes:
a first circuit board;
the first microcontroller is arranged on the first circuit board;
the serial communication interface is arranged on the first circuit board and is electrically connected with the first microcontroller;
the human-computer interaction module is arranged on the first circuit board and is electrically connected with the first microcontroller;
the display driving chip is arranged on the first circuit board and is electrically connected with the first microcontroller;
the display module is arranged on the first circuit board and is electrically connected with the display driving chip; display screen control card includes:
a second circuit board;
the second microcontroller is arranged on the second circuit board;
the programmable logic device is arranged on the second circuit board and is electrically connected with the second microcontroller;
the network port is arranged on the second circuit board and is electrically connected with the second microcontroller;
the serial communication interface of the display screen splicing card is electrically connected with the second microcontroller of the display screen control card, and the network port of the display screen control card is used for connecting a scanning card for driving a target display screen.
6. The display screen controller of claim 5, wherein the human-machine interaction module of the display screen mosaic card comprises a key, the key being electrically connected to the first microcontroller; the display module comprises a nixie tube, and the nixie tube is connected with the display driving chip.
7. The display screen controller of claim 6, wherein the display screen tile card further comprises: and the signal indicator lamp is arranged on the first circuit board and electrically connected with the first microcontroller and is used for indicating the current working mode of the display screen splicing card.
8. The display screen controller of claim 7, further comprising:
the display screen splicing card and the display screen control card are arranged inside the box body, and the keys, the nixie tubes and the signal indicator lamps of the display screen splicing card are exposed out of the box body.
9. A display screen control system, comprising:
a display screen controller according to any one of claims 5 to 8;
the scanning card is electrically connected with the network port of the display screen controller; and
and the target display screen is electrically connected with the scanning card.
10. A display screen control method adapted to be executed in the display screen splicing card according to any one of claims 1 to 4, characterized by comprising:
acquiring and storing the maximum splicing number, the initial splicing serial number and the initial brightness information of a target display screen;
responding to a first operation of a user, and confirming a current working mode;
responding to a second operation of a user in response to the fact that the current working mode is the first working mode, modifying the initial splicing serial number to obtain a target splicing serial number, and sending the target splicing serial number to a display screen control card;
responding to a third operation of a user in response to the fact that the current working mode is the second working mode, modifying the initial brightness information to obtain target brightness information, and sending the target brightness information to the display screen control card;
and responding to a fourth operation of a user in response to the fact that the current working mode is a third working mode, modifying the maximum splicing number to obtain a target splicing number, and sending the target splicing number to the display screen control card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911200784.1A CN112885276A (en) | 2019-11-29 | 2019-11-29 | Display screen control method, controller, control system and splicing card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911200784.1A CN112885276A (en) | 2019-11-29 | 2019-11-29 | Display screen control method, controller, control system and splicing card |
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| CN112885276A true CN112885276A (en) | 2021-06-01 |
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| CN201911200784.1A Pending CN112885276A (en) | 2019-11-29 | 2019-11-29 | Display screen control method, controller, control system and splicing card |
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Application publication date: 20210601 |