CN111078173A - Fast switching method and switching system of LED stage screen - Google Patents
Fast switching method and switching system of LED stage screen Download PDFInfo
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- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention provides a rapid switching method and a switching system of an LED stage screen, which comprise the following steps: setting a first screen interface and a second screen interface of an LED display screen, wherein the two screen interfaces have corresponding independent screen interface parameters and display contents, and the display contents of the first screen interface and the second screen interface are different; responding to the switching from the first screen interface to the second screen interface, identifying screen interface parameters and display contents of the first screen interface, and packaging the screen interface parameters and the display contents into a first screen interface data file with a specified format for storage; reading a second screen interface data file; responding to the reading success, and closing the first screen interface; and displaying the second screen interface, and importing the display content and the screen interface parameters in the analyzed second screen interface data file. The invention can realize free switching between the common screen and the stage screen on the same LED display screen without purchasing a special stage card, and has flexible communication mode and unlimited screen number.
Description
Technical Field
The invention relates to the technical field of LED display driving, in particular to a rapid switching method and a rapid switching system of an LED stage screen.
Background
With the development of society and science and technology, the living conditions of people are better and better, more and more people like developing own interests and hobbies such as listening to songs, Beijing operas and drama during work, but the words of the songs are not displayed, and the meaning of the words of the people can not be heard by many people, so that the words of the songs can be displayed by using a professional stage screen during performance, and professional editing and driving are performed through a stage card. But the professional stage card is expensive and inconvenient to operate. In the process of implementing the invention, the user operates the common screen and the stage screen on the computer, which are independent from each other and have no connection; and there is the condition of data loss, for example, can't operate ordinary screen and stage screen two kinds of modes at the same time on a computer, need two computers, or trade the card, like this, lead to losing the data set up and debugged very easily. The stage card is with high costs after sale, and the stage screen needs special stage card to go the debugging, great increase installation cost to when setting up stage screen parameter, only professional personage can set up, has increased the degree of difficulty of using.
Disclosure of Invention
The invention aims to provide a rapid switching method and a switching system of an LED stage screen, which can realize rapid and free switching of a common screen and the stage screen aiming at the same LED screen.
In order to achieve the above object, the present invention provides a method for fast switching an LED stage screen, comprising:
setting a first screen interface and a second screen interface of an LED display screen, wherein the two screen interfaces have corresponding independent screen interface parameters and display contents, and the display contents of the first screen interface and the second screen interface are different;
responding to the switching from the first screen interface to the second screen interface, identifying screen interface parameters and display contents of the first screen interface, and packaging the screen interface parameters and the display contents into a first screen interface data file with a specified format for storage;
reading a second screen interface data file;
responding to the reading success, and closing the first screen interface;
and displaying the second screen interface, and importing the display content and the screen interface parameters in the analyzed second screen interface data file.
Preferably, the fast handover method further includes:
and driving the display content and the screen interface parameters in the second screen interface data file through a display control card, and displaying the display content and the screen interface parameters through an LED display screen.
Preferably, the fast handover method further includes:
responding to the switching from the second screen interface to the first screen interface, identifying screen interface parameters and display contents of the second screen interface, and packaging the screen interface parameters and the display contents into a second screen interface data file with a specified format for storage;
reading a first screen interface data file;
closing the second screen interface in response to the reading success;
and displaying the first screen interface, and importing the display content and the screen interface parameters in the analyzed first screen interface data file.
Preferably, the fast handover method further includes:
and driving the display content and the screen interface parameters in the first screen interface data file through a display control card, and displaying the display content and the screen interface parameters through an LED display screen.
According to the improvement of the invention, the invention also provides a rapid switching system of the LED stage screen, which comprises first equipment, a control card and an LED display screen;
the first device comprises a control module, an editing module, a packaging module and a sending module, wherein the control module is used for controlling the switching between a first screen module and a second screen mode, the editing module is used for providing screen interface parameters and/or display content interfaces for external editing, and the packaging module is used for converting the screen interface parameters and the display content into packaging data according to a preset protocol and sending the packaging data to the control card through the sending module;
the control card is arranged to receive the packaged data, and after the packaged data is identified and analyzed through a protocol, the control card drives the LED display screen to display corresponding content through the LED driving module;
the first device is provided with a first screen interface and a second screen interface of an LED display screen, the two screen interfaces have corresponding independent screen interface parameters and display contents, and the display contents of the first screen interface and the second screen interface are different;
under the control of the control module, responding to the switching from the first screen interface to the second screen interface, and packaging the screen interface parameters and the display contents of the first screen interface into a first screen interface data file with a specified format for storage;
reading the second screen interface data file, and closing the first screen interface in response to successful reading;
and displaying the second screen interface, and importing the display content and the screen interface parameters in the analyzed second screen interface data file.
Preferably, the first device is further configured to package the screen interface parameters and the display contents of the second screen interface into a second screen interface data file in a specified format for storage in response to switching of the second screen interface to the first screen interface; reading the first screen interface data file, and closing the second screen interface in response to successful reading; and finally, displaying the first screen interface, and importing the display content and the screen interface parameters in the analyzed first screen interface data file.
Preferably, the first screen interface is a common screen interface, and the second screen interface is a stage screen interface.
According to the technical scheme, the common screen and the stage screen can be freely switched on the same LED display screen, a special stage card does not need to be purchased, the communication mode is flexible, and the number of the screens is not limited.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of this disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the presently disclosed subject matter.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows or may be learned by practice of the invention in accordance with the teachings herein.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a system configuration example of the fast switching of the LED stage screen of the present invention.
Fig. 2 is a schematic view of the process of switching from the normal screen to the stage screen according to the present invention.
Fig. 3 is a schematic view of the principle of switching the general screen to the stage screen according to the present invention.
Fig. 4 is an example of the first device transmitting data to the control card in the normal screen mode of the present invention.
Fig. 5 is an example of the first device transmitting data to the control card in the stage screen mode of the present invention.
Detailed Description
In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any one implementation. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.
Referring to fig. 1 to 5, a system configuration of a fast switching system of an LED stage screen according to an exemplary embodiment of the present invention includes a first device, a control card, and an LED display screen.
The first device comprises a control module, an editing module, a packaging module and a sending module, wherein the control module is used for controlling the switching between a first screen module and a second screen mode, the editing module is used for providing screen interface parameters and/or display content interfaces for external editing, and the packaging module is used for converting the screen interface parameters and the display content into packaging data according to a preset protocol and sending the packaging data to the control card through the sending module;
the control card is arranged to receive the packaged data, and after the packaged data are identified and analyzed through a protocol, the control card drives the LED display screen to display corresponding content through the LED driving module.
The first device is provided with a first screen interface and a second screen interface of the LED display screen, the two screen interfaces have corresponding independent screen interface parameters and display contents, the display contents of the first screen interface and the second screen interface are different, for example, as described below, the first screen interface is a common screen interface, and the second screen interface is a stage screen interface.
Under the control of the control module of the first device, for example, by switching virtual or physical keys, the switching between the common screen interface and the stage screen interface can be performed.
Preferably, the first device as the display control device may be implemented by a mobile terminal or a PC computer, such as a smart phone, a tablet computer or a notebook computer, and these devices are generally provided with data communication, storage and arithmetic processing functions. Preferably, at least one display screen is provided, such as a touch display screen, to provide data input and display interfaces.
The method for rapidly switching the LED stage screen in combination with the examples shown in FIGS. 1 and 3 comprises the following steps:
setting a first screen interface and a second screen interface of an LED display screen, wherein the two screen interfaces have corresponding independent screen interface parameters and display contents, and the display contents of the first screen interface and the second screen interface are different;
responding to the switching from the first screen interface to the second screen interface, identifying screen interface parameters and display contents of the first screen interface, and packaging the screen interface parameters and the display contents into a first screen interface data file with a specified format for storage;
reading a second screen interface data file;
responding to the reading success, and closing the first screen interface;
and displaying the second screen interface, and importing the display content and the screen interface parameters in the analyzed second screen interface data file.
More preferably, the method further comprises the step of driving the display content and the screen interface parameters in the second screen interface data file through a display control card, and displaying the display content and the screen interface parameters through an LED display screen, so that switching from the first screen interface to the second screen interface is realized.
Of course, as shown in fig. 3, the fast handover method of the present invention further includes:
responding to the switching from the second screen interface to the first screen interface, identifying screen interface parameters and display contents of the second screen interface, and packaging the screen interface parameters and the display contents into a second screen interface data file with a specified format for storage;
reading a first screen interface data file;
closing the second screen interface in response to the reading success;
and displaying the first screen interface, and importing the display content and the screen interface parameters in the analyzed first screen interface data file.
Therefore, the switching from the second screen interface to the first screen interface can be realized, and simultaneously, the display content and the screen interface parameters in the first screen interface data file can be driven through the display control card and displayed by the LED display screen.
In various embodiments of the present invention, it is particularly preferred that the first screen interface is a normal screen interface and the second screen interface is a stage screen interface.
Therefore, the invention realizes the switching between the common screen and the stage screen through the switching function of the common screen and the stage screen, and can carry out the operation of two screen interfaces on one first device (display device). The common screen and the stage screen are two screen interfaces which are independent from each other, and screen parameters and set contents are stored in the first device independently. In the switching process of the LED display screen, when the common screen is switched to the professional stage screen, password protection can be preferably set, so that data set on the two screens can be protected, and the data can be prevented from being lost.
After the LED display screen is switched into the stage screen, real-time lyric display and synchronous song playing on the caption screen can be realized. Preferably, the data information instruction in the electronic device can be extracted through lyrics and drama which are built in or acquired from a network, the data are packed in a whole group and sent to the LED control card in a real-time communication mode, and the sending information of the data and subtitles displayed on the LED stage screen are monitored in real time.
The invention effectively solves the relation between the common screen and the stage screen, and also solves the problem that a professional stage card is needed to be adapted to the stage screen for playing songs and song display, thereby achieving the purpose of realizing the simple, convenient, high-efficiency and popular use of the LED stage screen.
Exemplary implementations of the above-described embodiments are described in more detail below with reference to the accompanying drawings.
Fig. 1 exemplarily shows a fast switching system having a first device as a display control terminal, a control card for parsing and driving control, and an LED display screen. The first device can perform operation control and switching of display, such as inputting screen parameters, modifying or editing display contents (characters, pictures and the like), and switching of a normal screen and a stage screen, such as switching from the normal screen to the stage screen or switching from the stage screen to the normal screen.
The control card is used for identifying and analyzing the data according to the package module in the transmission data, and then driving the LED display screen to display corresponding contents.
And the first equipment is connected with the control card in a wired mode to carry out data interaction and communication. For example, a computer or other terminals are connected to the serial port or the network port of the control card through the serial port or the network port, and then connected to the display screen through the connection mode of the control card.
And data interaction and communication can be carried out between the first equipment and the control card through a wireless network transmission link. For example, the mobile phone or other terminals are connected with the WiFi of the control card in a WIFI setting mode, and then connected to the LED display screen in a wiring mode of the control card. Or, the mobile phone or other terminals are connected with the WiFi of the control card in a WiFi setting mode, then the mode of the router is changed by changing the setting of the control card, then the control card is connected in a fixed IP mode, and finally the mobile phone or other terminals are connected to the LED display screen in a wiring mode of the control card.
As shown in fig. 2 and 3, the operation of switching from the normal screen to the stage screen includes:
s101: controlling a command for switching a stage screen mode from a common screen mode through the operation of first equipment;
s102: organizing various data such as screen parameters, pictures, characters and the like required by a common screen mode;
s103: the common screen mode data is stored into a file in the fsprj format according to the fsprj format;
s104: reading a stage screen mode data file (fkpl format file);
s105: after the data are successfully read, closing the common screen mode interface, displaying the stage screen mode operation interface, and importing data such as stage screen mode interface parameters, lyrics, a play list and the like;
s106: and finishing the switching.
In this way, in combination with the diagram, data such as parameters, lyrics, and a playlist may be packaged, for example, according to a set protocol, the packaged data is sent to the control card, and the control card performs identification and analysis according to a corresponding protocol, and then drives the LED driving module to display.
Schematic representation of switching between normal screen and stage screen as shown in connection with fig. 3-5
A1, showing each operation on the interface of the common screen, wherein the common screen is switched to A2, namely the interface of the stage screen, through a switching instruction; file on ordinary screen the file of the ordinary screen is sent to a3, i.e. the control card, via the program play file.
The interface display and processing method of the common screen comprises the following steps:
s1, organizing various data such as screen parameters, pictures and characters required by the common screen mode according to the control command of mode switching on the display interface of the common screen, and storing the file format ending with fsprj;
s2, opening the fsprj format file, analyzing the file, and storing the analyzed data in S3, namely sending 1;
s3 sending 1 divides the stored data into two parts to display, as shown in FIG. 4:
firstly, the method comprises the following steps: [ TRANSMITTING ] -FILE (FSprj FILE FORMAT)
Secondly, the method comprises the following steps: [ TRANSMITTING ] - [ DATA PACK ] - [ TRANSMITTING MODULE ]
A2, representing each operation on the stage screen interface, the stage screen transmits the file program on the stage screen to A3, namely the control card, through the stage synchronization command instruction.
The method comprises the following steps of interface display and processing of the stage screen:
s4, organizing various data such as parameters, lyrics, play lists and the like required by the stage screen mode on the display interface of the stage screen, and then packaging the data into corresponding file names;
s5, packaging the data on the stage screen into files, fkpl format files and transmitting to S6, namely transmitting 2;
s6: the data stored on transmission 2 is shown divided into two parts, as shown in fig. 5:
firstly, the method comprises the following steps: key processing, automatic playing, data packaging, sending module.
Secondly, the method comprises the following steps: key processing, data packaging, and sending module.
A3: the control card represents various operations on the interface of the control card, is an intermediate bridge, is connected with A1 (a common screen display interface), A2 (a stage screen display interface) for interface display, and is connected with A4 (an LED display screen) downwards;
s7: receiving a program file on a common screen by sending the program playing file;
s8: the program file analysis is that the control card receives the program file of the common screen, then performs various analyses on the file, and the analyzed data is sent to S11, namely an LED display driver;
s9: synchronously sending command instructions through a stage of the stage screen, and receiving the command of the stage screen;
s10: the analysis command is a command instruction of the stage screen received by the control card, and then the received command is analyzed, and the analyzed data is transmitted to S11, namely, the LED display driver.
S11 (i.e., a 4): the LED display driver receives an S8 (program file parsing) command for a normal screen and an S10 parsing command for a stage screen, and outputs the commands to S12(LED display screen) through S11 (driving display of LED).
S12: the LED display screen displays content.
Thus, switching between two screen display modes of one display screen is realized.
Compared with the prior art, the switching function between the common screen and the stage screen, the stage screen and the stage screen arrangement have the following remarkable beneficial effects:
based on the switching function between the common screen and the stage screen, the stage screen interface can be switched to the common screen interface at any time, the stage screen interface can also be switched from the common screen interface to the stage screen interface, and the data and parameters in the stage screen interface are basically not lost after being stored and belong to two independent and separated interfaces;
based on the switching function between the common screen and the stage screen, the stage screen setting function is adopted, so that the interface can be effectively simplified, the operation is convenient, the effect is obvious, and the visual effect is obviously improved; the stage screen has universality, all operations of the LED common screen can be realized, otherwise, the operations of the stage screen can be realized, but the LED common screen cannot be realized;
the stage screen setting function is adopted, the LED display screen and the stage screen can be switched through a specified software protocol, so that the difference between the LED display screen and the stage screen can be seen, and the stage screen has a specified content function and can play program contents which are specified at will.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (9)
1. A method for rapidly switching an LED stage screen is characterized by comprising the following steps:
setting a first screen interface and a second screen interface of an LED display screen, wherein the two screen interfaces have corresponding independent screen interface parameters and display contents, and the display contents of the first screen interface and the second screen interface are different;
responding to the switching from the first screen interface to the second screen interface, identifying screen interface parameters and display contents of the first screen interface, and packaging the screen interface parameters and the display contents into a first screen interface data file with a specified format for storage;
reading a second screen interface data file;
responding to the reading success, and closing the first screen interface;
and displaying the second screen interface, and importing the display content and the screen interface parameters in the analyzed second screen interface data file.
2. The fast switching method of an LED stage screen according to claim 1, further comprising:
and driving the display content and the screen interface parameters in the second screen interface data file through a display control card, and displaying the display content and the screen interface parameters through an LED display screen.
3. The fast switching method of an LED stage screen according to claim 1, further comprising:
responding to the switching from the second screen interface to the first screen interface, identifying screen interface parameters and display contents of the second screen interface, and packaging the screen interface parameters and the display contents into a second screen interface data file with a specified format for storage;
reading a first screen interface data file;
closing the second screen interface in response to the reading success;
and displaying the first screen interface, and importing the display content and the screen interface parameters in the analyzed first screen interface data file.
4. The fast switching method of an LED stage screen according to claim 3, further comprising:
and driving the display content and the screen interface parameters in the first screen interface data file through a display control card, and displaying the display content and the screen interface parameters through an LED display screen.
5. The method for rapidly switching the LED stage screen according to any one of claims 1 to 4, wherein the first screen interface is a normal screen interface and the second screen interface is a stage screen interface.
6. The method for rapid switching of an LED stage screen according to any one of claims 1 to 4, characterized in that said specified format is the.fkpl format.
7. A fast switching system of an LED stage screen is characterized by comprising a first device, a control card and an LED display screen;
the first device comprises a control module, an editing module, a packaging module and a sending module, wherein the control module is used for controlling the switching between a first screen module and a second screen mode, the editing module is used for providing screen interface parameters and/or display content interfaces for external editing, and the packaging module is used for converting the screen interface parameters and the display content into packaging data according to a preset protocol and sending the packaging data to the control card through the sending module;
the control card is arranged to receive the packaged data, and after the packaged data is identified and analyzed through a protocol, the control card drives the LED display screen to display corresponding content through the LED driving module;
the first device is provided with a first screen interface and a second screen interface of an LED display screen, the two screen interfaces have corresponding independent screen interface parameters and display contents, and the display contents of the first screen interface and the second screen interface are different;
under the control of the control module, responding to the switching from the first screen interface to the second screen interface, and packaging the screen interface parameters and the display contents of the first screen interface into a first screen interface data file with a specified format for storage;
reading the second screen interface data file, and closing the first screen interface in response to successful reading; and is
And displaying the second screen interface, and importing the display content and the screen interface parameters in the analyzed second screen interface data file.
8. The system of claim 7, wherein the first device is further configured to store a second screen interface data file encapsulating the screen interface parameters and display content of the second screen interface into a specified format in response to a switch of the second screen interface to the first screen interface; reading the first screen interface data file, and closing the second screen interface in response to successful reading; and finally, displaying the first screen interface, and importing the display content and the screen interface parameters in the analyzed first screen interface data file.
9. The system of claim 7 or 8, wherein the first screen interface is a normal screen interface and the second screen interface is a stage screen interface.
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| CN111666056A (en) * | 2020-05-28 | 2020-09-15 | 北京百度网讯科技有限公司 | Screen switching display method and device, intelligent rearview mirror and readable storage medium |
| CN111666056B (en) * | 2020-05-28 | 2024-01-05 | 阿波罗智联(北京)科技有限公司 | Screen switching display method and device, intelligent rearview mirror and readable storage medium |
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