CN111045733A - Control method of electronic table board based on Internet of things, electronic table board and control terminal - Google Patents
Control method of electronic table board based on Internet of things, electronic table board and control terminal Download PDFInfo
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- CN111045733A CN111045733A CN201911107583.7A CN201911107583A CN111045733A CN 111045733 A CN111045733 A CN 111045733A CN 201911107583 A CN201911107583 A CN 201911107583A CN 111045733 A CN111045733 A CN 111045733A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- 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
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4416—Network booting; Remote initial program loading [RIPL]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
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- 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
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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Abstract
The invention discloses a control method of an electronic table board based on the Internet of things, the electronic table board and a control terminal, wherein the method comprises the following steps: the electronic table board to be updated is connected with the control terminal according to a communication mode selected by a user, the communication mode is specifically a WiFi mode, a USB direct connection mode or a ZigBee mode, the electronic table board to be updated is based on the connection receiving mode, a drawing command is sent by the control terminal, the electronic table board to be updated determines a screen to be updated and a drawing data source according to the drawing command, the drawing data source is specifically the control terminal or a TF card on the electronic table board to be updated, and the electronic table board to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source. According to the scheme, the importing speed of the electronic table card during data importing is improved, the operation is simplified, and meanwhile, the remote unified management of the electronic table card is facilitated based on the Internet of things.
Description
Technical Field
The application relates to the technical field of application of the Internet of things, in particular to a control method of an electronic table board based on the Internet of things, the electronic table board and a control terminal.
Background
When a large-scale conference is held, the identities of participants are usually displayed by using table cards, the display content of the current conference table card is mainly displayed on paper or plastic materials, the conference table card cannot be repeatedly used and is generally lost after use, people are required to print and count in advance, and the conference table card cannot be modified at any time. Meanwhile, the existing expression form and appearance are single, and unified planning management cannot be realized.
In the prior art, although there is a scheme of displaying information by using an electronic table card to be updated, the scheme generally includes inputting information by swiping a card and importing information by selecting a usb disk or an SD card. If the card swiping information is used for inputting, the amount of the stored information of the card is small, and the card only can be in a text format; if the data import of the U disk or the SD card is selected, experiments prove that the mode can be used reluctantly if the number of the data import is less than 10, because the data import of each table card is about 2 minutes generally, more important factors are that the U disk or the SD card is frequently plugged and pulled, and the product interface is easy to be in poor contact or malfunction to cause that the product cannot be normally used. The table board remote control solution based on the Internet of things is not provided in the prior art, and the problems that the imported display content is single, the importing speed is low, the operation is complex, and the remote management cannot be unified exist.
Disclosure of Invention
The invention provides a control method of an electronic table board based on the Internet of things, which is used for solving the technical problems that the electronic table board in the prior art is low in data importing speed, complex in operation and incapable of uniformly performing planning management, and comprises the following steps:
the electronic table board to be updated is connected with the control terminal according to a communication mode selected by a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
the electronic table card to be updated receives drawing commands sent from the control terminal based on the connection;
the electronic table board to be updated determines a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the TF card on the control terminal or the electronic table board to be updated;
and the electronic table card to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source.
Preferably, the electronic table card to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source, specifically:
the electronic table board to be updated initializes the screen to be updated according to the drawing command;
the electronic table board to be updated writes the drawing data into the memory of the screen to be updated;
and the electronic table board to be updated refreshes the screen to be updated so that the display content is updated after the drawing data is loaded from the memory on the screen to be updated.
Preferably, the method further comprises the following steps:
the electronic table card to be updated receives the function command sent from the control terminal based on the connection:
and enabling or disabling the WiFi function and/or the ZigBee function corresponding to the electronic table board to be updated according to the function command.
Correspondingly, the invention further provides a control method of the electronic table card based on the Internet of things, which comprises the following steps:
the control terminal determines an electronic table board to be updated and a communication mode according to the selection of a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
the control terminal establishes connection with the electronic table card to be updated based on the communication mode;
and the control terminal sends a drawing command to the electronic table board to be updated based on the connection, so that the electronic table board to be updated updates the display content on the screen to be updated after drawing data is read from a drawing data source according to the drawing command, wherein the drawing data source is the control terminal or the TF card on the electronic table board to be updated.
Preferably, after the control terminal sends a drawing command to the electronic table card to be updated based on the connection, when the source of the drawing data is the control terminal, the method further includes:
the control terminal receives a data reading request sent by the electronic table card to be updated;
and the control terminal sends the drawing data to the electronic table board to be updated according to the data reading request so as to update the display content on the screen to be updated according to the drawing data, wherein the drawing data is called by the control terminal from a server.
Preferably, the method further comprises the following steps:
and the control terminal sends a function command to the electronic table board to be updated based on the connection, so that the electronic table board to be updated enables or disables the WiFi function and/or the ZigBee function corresponding to the electronic table board to be updated according to the control command.
Correspondingly, the invention also provides an electronic table card based on the Internet of things, which comprises the following components:
the connection establishing module is used for establishing connection with the control terminal according to a communication mode selected by a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
a sending module, configured to receive a drawing command sent from the control terminal based on the connection;
the determining module is used for determining a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the TF card on the control terminal or the electronic table board to be updated;
and the updating module is used for updating the display content of the screen to be updated according to the drawing data read from the drawing data source.
Correspondingly, the invention also provides a control terminal based on the internet of things, which comprises the following components:
the electronic table board updating device comprises a determining module, a updating module and a communication module, wherein the determining module is used for determining an electronic table board to be updated and a communication mode according to selection of a user, and the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
the connection establishing module is used for establishing connection with the electronic table card to be updated based on the communication mode;
and the sending module is used for sending a drawing command to the electronic table board to be updated based on the connection so as to update the display content on the screen to be updated after the electronic table board to be updated reads drawing data from a drawing data source according to the drawing command, wherein the drawing data source is specifically the control terminal or the TF card on the electronic table board to be updated.
Accordingly, the present invention also provides a computer-readable storage medium, in which instructions are stored, and when the instructions are executed on a terminal device, the terminal device is caused to execute the method for controlling an electronic table board based on the internet of things as described above.
Correspondingly, the invention further provides a computer program product, and when the computer program product runs on a terminal device, the terminal device executes the control method of the electronic table card based on the internet of things.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses an electronic table board control method and device based on the Internet of things, wherein the method comprises the following steps: the electronic table board to be updated is connected with the control terminal according to a communication mode selected by a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode; the electronic table card to be updated receives drawing commands sent from the control terminal based on the connection; the electronic table board to be updated determines a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the TF card on the control terminal or the electronic table board to be updated; treat the electronic table tablet of updating according to the follow the drawing data that the drawing data source read is right treat that the display content of update screen updates, control the electronic table tablet through the thing networking, be favorable to the user to carry out unified management to the table tablet, use control terminal or TF card to lead in drawing data, the leading-in speed when having improved the electronic table tablet and leading in data has simplified the operation, has improved user experience.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a control method of an electronic table card based on the internet of things according to an embodiment of the present application;
fig. 2 is a flowchart illustrating another method for controlling an electronic table card based on the internet of things according to an embodiment of the present application;
fig. 3 shows a flow chart of a control method for an electronic table card based on the internet of things in an actual application scenario according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic table card based on the internet of things according to an embodiment of the present application;
fig. 5 shows a schematic structural diagram of a control terminal based on the internet of things according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. 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 application.
As described in the background art, in the prior art, the data import speed of the electronic table card is slow, the operation is complicated, and the existing expression form and appearance are single, so that the unified planning management cannot be realized.
In order to solve the problems, the embodiment of the application provides the control method of the electronic table board based on the internet of things, the electronic table board is controlled through the internet of things, a user can modify display contents of the electronic table board at any time, the user can manage the electronic table board in a unified mode, drawing data are imported through the control terminal or the TF card, the importing speed of the electronic table board during data importing is increased, operation is simplified, and user experience is improved.
Fig. 1 is a schematic flow chart of a method for controlling an electronic table card based on the internet of things according to an embodiment of the present invention, which includes the following steps:
s101, the electronic table board to be updated is connected with the control terminal according to the communication mode selected by the user.
Specifically, when the user updates the content of the electronic table board, firstly, the user selects a communication mode between the electronic table board and the control terminal through the control terminal, wherein the communication mode can be a WiFi mode, a USB direct connection mode or a ZigBee mode, the electronic table board end and the control terminal are connected according to the selection of the user, and the user can control the electronic table board through the control terminal at any time through connection establishment;
it should be noted that, the control terminal is a personal computer or a smart phone, and those skilled in the art may adopt other electronic products, and any other electronic product or electronic circuit that can serve as the control terminal to issue an instruction belongs to the protection scope of the present application. Those skilled in the art can adopt other different communication modes, and other wired and wireless communication modes for establishing connection between the electronic table card end and the server end belong to the protection scope of the present application.
S102, the electronic table card to be updated receives drawing commands sent from the control terminal based on the connection.
Specifically, after the electronic table board is connected with the control terminal, the command sent by the user from the control terminal is transmitted through the communication mode, and the electronic table board end receives the drawing command of the control terminal through the communication mode selected by the user.
It should be noted that, those skilled in the art can send other different instructions, and other operation commands sent by the control terminal all belong to the protection scope of the present application.
S103, the electronic table board to be updated determines a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the control terminal or the TF card on the electronic table board to be updated.
Specifically, in the specific application scenario of this application, electron table tablet end includes two screens, electron table tablet end is according to the screen that drawing command confirmed to be updated, simultaneously contain drawing data source information among the drawing command, and electron table tablet end confirms the drawing data source according to information wherein, the drawing data source specifically does control terminal or wait to update the TF card on the electron table tablet.
Other sources of drawing data may be provided by those skilled in the art, and it is within the scope of the present application to store drawing data via other storage devices.
S104, the electronic table board to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source.
Specifically, the electronic table card identifies the drawing data contained in the drawing data source, updates the display content of the screen to be updated according to the identified drawing data, and displays the drawing content contained in the drawing data.
In order to accurately display the content in the drawing data on the screen, in a preferred embodiment of the present application, the electronic table card to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source, specifically:
the electronic table board to be updated initializes the screen to be updated according to the drawing command;
the electronic table board to be updated writes the drawing data into the memory of the screen to be updated;
and the electronic table board to be updated refreshes the screen to be updated so that the display content is updated after the drawing data is loaded from the memory on the screen to be updated.
Specifically, the initialization process includes: and after the initialization work is finished, the electronic desktop card end imports the received drawing data into the memory of the screen to be updated, the drawing data can be temporarily stored in the memory with the updated screen, then the screen to be updated loads the drawing data in the memory, and when the electronic desktop card end refreshes the screen to be updated, the loaded drawing data is displayed on the screen.
In order to accurately and effectively establish the communication mode selected by the user, in a preferred embodiment of the present application, the method for controlling an electronic table card based on the internet of things further includes:
the electronic table card to be updated receives a function command sent from the control terminal based on the connection;
and enabling or disabling the WiFi function and/or the ZigBee function corresponding to the electronic table board to be updated according to the function command.
Specifically, the control terminal is provided with a plurality of commands of initiating keys or options, and the user can issue commands to the table cards to be updated according to the needs of the user, wherein the commands include: the method comprises the steps that a screen to be updated is selected, contents are changed, drawing is added, and the like, based on a communication mode selected by a user, an electronic table card end receives a command issued by the user, after the user selects the communication mode through a control terminal, a communication switch corresponding to the selected communication mode is opened, if the user adopts a WiFi mode, a WiFi function is opened, a ZigBee function is forbidden, and in a specific application scene of the method, a radio frequency module consists of a ZigBee and a WiFi communication module and can independently complete data receiving and sending. And the MCU can be used for controlling the on-off of the power supply, so that the aim of saving power is fulfilled.
By applying the technical scheme, the electronic table board to be updated is connected with the control terminal according to a communication mode selected by a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode; the electronic table card to be updated receives drawing commands sent from the control terminal based on the connection; the electronic table board to be updated determines a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the TF card on the control terminal or the electronic table board to be updated; treat the electronic table tablet of updating according to following the drawing data that the drawing data source read is right treat that the display content of update screen updates, control the electronic table tablet through the thing networking, be favorable to the user to carry out unified management and modify at any time to the table tablet, use control terminal or TF card to lead in drawing data, the leading-in speed when having improved the electronic table tablet and leading in data has simplified the operation, has improved user experience.
Fig. 2 is a schematic flow chart of another method for controlling an electronic table card based on the internet of things according to an embodiment of the present invention, which includes the following steps:
s201, the control terminal determines an electronic table board to be updated and a communication mode according to selection of a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
specifically, options of the table board to be updated and the communication mode are set at the control terminal, and the user determines the electronic table board to be updated and the communication mode according to the needs of the user through the options, wherein the communication mode is specifically a WiFi mode, a USB direct connection mode or a ZigBee mode.
S202, the control terminal establishes connection with the electronic table card to be updated based on the communication mode;
specifically, when the user updates the content of the electronic table card, the user may first select a connection mode between the electronic table card and the control terminal through the control terminal, and establish a connection between the electronic table card and the control terminal according to the selection of the user.
S203, the control terminal sends a drawing command to the electronic table board to be updated based on the connection, so that the electronic table board to be updated updates display content on a screen to be updated after drawing data is read from a drawing data source according to the drawing command, wherein the drawing data source is the control terminal or a TF card on the electronic table board to be updated.
Specifically, the control terminal sends a drawing command to the electronic table card terminal through the established connection, and the electronic table card terminal acquires the drawing data according to a drawing data source, stores the drawing data in a memory with an update screen, updates the update screen, and displays contents contained in the drawing data.
In addition, after the control terminal sends a drawing command to the electronic table card to be updated based on the connection, when the source of the drawing data is the control terminal, the method further includes:
the control terminal receives a data reading request sent by the electronic table card to be updated;
and the control terminal sends the drawing data to the electronic table board to be updated according to the data reading request so as to update the display content on the screen to be updated according to the drawing data, wherein the drawing data is called by the control terminal from a server.
Specifically, the server provides a calling interface of the control terminal, the server side interacts with the database, data required by commands issued by the control terminal are called and transmitted, and the control terminal and the server control the electronic table card side together.
In order to ensure the stable data transmission, the control terminal sends a function command to the electronic table board to be updated based on the connection, so that the electronic table board to be updated enables or disables the WiFi function and/or the ZigBee function corresponding to the electronic table board to be updated according to the control command.
By applying the technical scheme, the control terminal determines the electronic table board to be updated and a communication mode according to the selection of a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode; the control terminal establishes connection with the electronic table card to be updated based on the communication mode; control terminal is based on connect to treat to update electronic table tablet and send drawing command, so that treat to update electronic table tablet basis drawing command is treated the display content on the screen of treating to update after reading drawing data from the drawing data source and is updated, the drawing data source specifically does control terminal or treat the TF card on the electronic table tablet of updating, control electronic table tablet through the thing networking to be favorable to the user to carry out unified management and modify at any time to table tablet, use the leading-in drawing data of control terminal or TF card, the leading-in speed when having improved electronic table tablet leading-in data has simplified the operation, has improved user's use and has experienced.
In order to further illustrate the technical idea of the present invention, the technical solution of the present invention will now be described with reference to specific application scenarios.
The embodiment of the invention provides a control method of an electronic table board based on the Internet of things, as shown in fig. 3, a control terminal such as a personal computer or a mobile phone sends a control command to an electronic table board end, the electronic table board end receives the control command, identifies a communication mode, opens or closes a corresponding communication module, transmits drawing data according to the selected communication module, and updates the display content of a screen according to the drawing data by a screen to be updated, so that a user can modify the display content of the electronic table board at any time through the Internet of things, the unified management of the electronic table board by the user is facilitated, and in addition, the defects of low importing speed, complex operation and single importing content are avoided by using the control terminal or a TF card to import the drawing data.
In the scheme of the application, the electronic table board is an electronic ink screen, and the electronic ink screen is a screen using electronic ink. Electronic ink screens are also known as electronic paper display technology, electronic paper, which is an ultra-thin and ultra-light display screen, i.e., a display that is thin, soft, and erasable like paper. In a descriptive sense, electronic paper is a thin film of film on which a layer of charged material, e.g., electronic ink, is "coated". This can also be seen as a thin embedded remote control display panel. The electronic paper technology is a general name of a technology, and is called as E-paper in English, and most of the electronic paper technology adopts an electrophoretic display technology as a display panel, and the display effect of the electronic paper technology is close to the natural paper effect, so that the electronic paper technology is free from reading fatigue. Electronic ink is a new method and technology for revolutionizing the display of information. Like most conventional inks, electronic ink and the lines that change its color are printable on many surfaces, from curved plastic, polyester film, paper, to cloth. The difference with conventional paper is that electronic ink changes color when energized and can display changing images, such as a calculator or cell phone display.
Fig. 3 is a specific flowchart of a control method of the electronic table card of the internet of things, and the method includes the following steps:
the method comprises the following steps: and the control terminal sends a control command to the electronic table card single chip microcomputer.
The user passes through control terminal sends control command to electronic table tablet end, and the user launches control command to electronic table tablet through smart machine such as cell-phone or personal computer, control terminal can also provide the function of typesetting, can edit characters or the picture that need show, can insert external picture, for example show LOGO, universities information etc..
The control command comprises a communication mode selection command, an operation command and the like, a user selects a communication mode at a client according to own needs, transmits the control command to the electronic table card singlechip through the selected communication mode, and the electronic table card singlechip identifies the received command and executes the related command.
The electronic table board end is composed of an MCU (micro controller Unit) and two ink screens, and the MCU, also called a single-chip microcomputer or a single-chip microcomputer, can see the figure of the MCU, such as a mobile phone, a personal computer periphery, a remote controller, a stepping motor in automotive electronics, industry, and the control of a robot arm. In the scheme, the MCU is a Cortex-M3 series single chip microcomputer, the single chip microcomputer is provided with a WiFi communication module, a ZigBee communication module and a USB interface, and the USB uses a 4-pin plug as a standard plug to be connected with external equipment. In the 4-pin plug, two pins are used as data communication lines and can be used as communication interfaces, and the two pins on the outer side provide power for external equipment. The single lithium battery can be directly charged through the USB interface. The radio frequency module consists of a ZigBee communication module and a WiFi communication module, and can independently complete data receiving and transmitting. And the MCU can be used for controlling the on-off of the power supply, so that the aim of saving power is fulfilled.
The single chip microcomputer is respectively connected with the two electronic ink screens, receives and recognizes control commands from the control terminal, controls the electronic ink screens according to the control commands, adopts the two electronic ink screens as display panels, displays with the resolution of 640 pixels by 384 pixels, displays in a single color, is provided with a power supply, can keep images for more than 2 years under the condition of power failure, can also charge the outside, and has the advantages of high contrast, high reflectivity, wide viewing angle and the like. The low-power consumption, the screen content keeps not power consumptive, can also refresh the image through external storage equipment, communication Interface adopts SPI (Serial Peripheral Interface) bus, it is a high-speed, full duplex, synchronous communication bus, and only occupy four lines on the pin of chip, the pin of chip has been practiced thrift, save space on the overall arrangement for printed circuit board simultaneously, it is convenient to provide, the system of SPI bus, it has contained a master slice and a plurality of slave slices, the master slice communicates to which slave slice of control is through sending the chip selection signal.
Step two: and opening the corresponding communication module according to the control command.
When the single chip microcomputer receives a command of the control terminal, the communication mode determined by a user is identified, the corresponding communication module is started according to the selection of the user, and the other communication module is closed.
Step three: and updating the screen to be updated according to the control command.
In the embodiment of the application, after receiving the command of the control terminal, the singlechip judges whether the screen to be updated is the No. 1 screen or the No. 2 screen, the singlechip is connected with the two screens, firstly, the screen to be updated is determined, secondly, after identifying the corresponding operation command, such as drawing command, from the control command, and identifying the drawing command of the control terminal, the singlechip can also recognize that drawing is started from a server or starting drawing by a TF card, the singlechip has a TF card interface, a user can store drawing data in the TF card, the external TF card directly executes a drawing command and can also draw by the server, after the drawing mode is recognized and started, the singlechip initializes a screen to be updated, and storing the image data in the server or the TF card into a memory of the screen to be updated, refreshing the screen, and reading the image data from the memory and displaying the corresponding image by the screen to be updated.
Through using above technical scheme, the user sends control command to electron table tablet end through control terminal, and with electron table tablet end basis control command establishes to be connected, it is corresponding, the communication module that corresponds is opened to electron table tablet end singlechip, close other communication modules, and through the communication mode transmission drawing data who establishes, the screen is updated according to drawing data update screen to treating of electron table tablet end, make the user carry out unified management to electron table tablet through the thing networking, use control terminal or TF card leading-in drawing data, the leading-in speed when having improved the leading-in data of electron table tablet, the operation is simplified, user experience has been improved.
In order to achieve the above technical object, an embodiment of the present application further provides an electronic table card based on the internet of things, as shown in fig. 4, the electronic table card includes:
the connection establishing module 401 is configured to establish connection with a control terminal according to a communication mode selected by a user, where the communication mode is specifically a WiFi mode, a USB direct connection mode, or a ZigBee mode;
a sending module 402, configured to receive a drawing command sent from the control terminal based on the connection;
a determining module 403, configured to determine, according to the drawing command, a screen to be updated and a drawing data source, where the drawing data source is specifically a TF card on the control terminal or the electronic table card to be updated;
an updating module 404, configured to update the display content of the screen to be updated according to the drawing data read from the drawing data source.
In order to achieve the above technical object, an embodiment of the present application further provides a control terminal based on the internet of things, as shown in fig. 5, the control terminal includes:
the determining module 501 is configured to determine, according to a selection of a user, an electronic table board to be updated and a communication mode, where the communication mode is specifically a WiFi mode, a USB direct connection mode, or a ZigBee mode;
a connection establishing module 502, configured to establish a connection with the electronic table card to be updated based on the communication manner;
a sending module 503, configured to send a drawing command to the electronic table card to be updated based on the connection, so that the electronic table card to be updated updates display content on a screen to be updated after drawing data is read from a drawing data source according to the drawing command, where the drawing data source is specifically the control terminal or a TF card on the electronic table card to be updated.
Through the above description of the embodiments, those skilled in the art will clearly understand that the present invention may be implemented by hardware, or by software plus a necessary general hardware platform. Based on such understanding, the technical solution of the present invention can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the method according to the implementation scenarios of the present invention.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the apparatus may be distributed in the apparatus according to the description of the implementation scenario, or may be located in one or more apparatuses different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. A control method of an electronic table card based on the Internet of things is characterized by comprising the following steps:
the electronic table board to be updated is connected with the control terminal according to a communication mode selected by a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
the electronic table card to be updated receives drawing commands sent from the control terminal based on the connection;
the electronic table board to be updated determines a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the TF card on the control terminal or the electronic table board to be updated;
and the electronic table card to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source.
2. The method as claimed in claim 1, wherein the electronic table card to be updated updates the display content of the screen to be updated according to the drawing data read from the drawing data source, specifically:
the electronic table board to be updated initializes the screen to be updated according to the drawing command;
the electronic table board to be updated writes the drawing data into the memory of the screen to be updated;
and the electronic table board to be updated refreshes the screen to be updated so that the display content is updated after the drawing data is loaded from the memory on the screen to be updated.
3. The method of claim 1, further comprising:
the electronic table card to be updated receives the function command sent from the control terminal based on the connection:
and enabling or disabling the WiFi function and/or the ZigBee function corresponding to the electronic table board to be updated according to the function command.
4. A control method of an electronic table card based on the Internet of things is characterized by comprising the following steps:
the control terminal determines an electronic table board to be updated and a communication mode according to the selection of a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
the control terminal establishes connection with the electronic table card to be updated based on the communication mode;
and the control terminal sends a drawing command to the electronic table board to be updated based on the connection, so that the electronic table board to be updated updates the display content on the screen to be updated after drawing data is read from a drawing data source according to the drawing command, wherein the drawing data source is the control terminal or the TF card on the electronic table board to be updated.
5. The method as claimed in claim 4, wherein after the control terminal sends the drawing command to the electronic table card to be updated based on the connection, when the drawing data source is the control terminal, further comprising:
the control terminal receives a data reading request sent by the electronic table card to be updated;
and the control terminal sends the drawing data to the electronic table board to be updated according to the data reading request so as to update the display content on the screen to be updated according to the drawing data, wherein the drawing data is called by the control terminal from a server.
6. The method of claim 4, further comprising:
and the control terminal sends a function command to the electronic table board to be updated based on the connection, so that the electronic table board to be updated enables or disables the WiFi function and/or the ZigBee function corresponding to the electronic table board to be updated according to the control command.
7. The utility model provides an electron table tablet based on thing networking which characterized in that includes:
the connection establishing module is used for establishing connection with the control terminal according to a communication mode selected by a user, wherein the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
a sending module, configured to receive a drawing command sent from the control terminal based on the connection;
the determining module is used for determining a screen to be updated and a drawing data source according to the drawing command, wherein the drawing data source is the TF card on the control terminal or the electronic table board to be updated;
and the updating module is used for updating the display content of the screen to be updated according to the drawing data read from the drawing data source.
8. A control terminal based on the Internet of things is characterized by comprising:
the electronic table board updating device comprises a determining module, a updating module and a communication module, wherein the determining module is used for determining an electronic table board to be updated and a communication mode according to selection of a user, and the communication mode is a WiFi mode, a USB direct connection mode or a ZigBee mode;
the connection establishing module is used for establishing connection with the electronic table card to be updated based on the communication mode;
and the sending module is used for sending a drawing command to the electronic table board to be updated based on the connection so as to update the display content on the screen to be updated after the electronic table board to be updated reads drawing data from a drawing data source according to the drawing command, wherein the drawing data source is specifically the control terminal or the TF card on the electronic table board to be updated.
9. A computer-readable storage medium, wherein instructions are stored therein, which when run on a terminal device, cause the terminal device to execute the method for controlling an internet of things-based electronic table card according to any one of claims 1 to 6.
10. A computer program product, which, when run on a terminal device, causes the terminal device to execute the method of controlling an internet of things-based electronic table card according to any one of claims 1 to 6.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911107583.7A CN111045733A (en) | 2019-11-13 | 2019-11-13 | Control method of electronic table board based on Internet of things, electronic table board and control terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911107583.7A CN111045733A (en) | 2019-11-13 | 2019-11-13 | Control method of electronic table board based on Internet of things, electronic table board and control terminal |
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| CN111045733A true CN111045733A (en) | 2020-04-21 |
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| US20120163269A1 (en) * | 2010-11-29 | 2012-06-28 | Shuster Gary S | Mobile status update display |
| CN109857353A (en) * | 2018-12-24 | 2019-06-07 | 航天信息股份有限公司 | A kind of method and system showing content for controlling LED screen |
| CN110221801A (en) * | 2019-06-05 | 2019-09-10 | 京东方科技集团股份有限公司 | Electronic table tablet stand terminal and control method, system, operating terminal and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20120163269A1 (en) * | 2010-11-29 | 2012-06-28 | Shuster Gary S | Mobile status update display |
| CN109857353A (en) * | 2018-12-24 | 2019-06-07 | 航天信息股份有限公司 | A kind of method and system showing content for controlling LED screen |
| CN110221801A (en) * | 2019-06-05 | 2019-09-10 | 京东方科技集团股份有限公司 | Electronic table tablet stand terminal and control method, system, operating terminal and control method |
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Application publication date: 20200421 |