CN113542882B - Method for waking up standby display device, display device and terminal - Google Patents

Method for waking up standby display device, display device and terminal Download PDF

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Publication number
CN113542882B
CN113542882B CN202110795524.4A CN202110795524A CN113542882B CN 113542882 B CN113542882 B CN 113542882B CN 202110795524 A CN202110795524 A CN 202110795524A CN 113542882 B CN113542882 B CN 113542882B
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Prior art keywords
terminal
wake
display
packet
equipment
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CN113542882A (en
Inventor
林乐
张传强
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Hisense Visual Technology Co Ltd
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Hisense Visual Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
    • H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/643—Communication protocols
    • H04N21/64322—IP
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Telephone Function (AREA)

Abstract

In the embodiment, the broadcast address is determined by using the IP address and the subnet mask address, and the wake-up packet is broadcast by using the broadcast address, so that the display device connected with the terminal hot spot is woken up. The method comprises the following steps: receiving user input for starting the control device application, and determining the network connection state of the terminal; acquiring a corresponding IP address and a subnet mask according to the network connection state of the terminal; determining a broadcast address according to the IP address and the subnet mask, wherein the network connection state comprises that a terminal is connected with a wireless local area network or the terminal starts a hot spot; and generating a wake-up packet, and sending the wake-up packet to all display devices in the network segment corresponding to the broadcast address.

Description

Method for waking up standby display device, display device and terminal
Technical Field
The present disclosure relates to the technical field of waking up a standby display device, and in particular, to a method for waking up a standby display device, a display device, and a terminal.
Background
In the related art, the display device may be dc-standby according to the use requirement. When the display equipment is in direct current standby, the control device can wake up the display equipment, the display equipment is started, and after the display equipment is started, a user can normally use the display equipment. In order to facilitate the user operation, a control device application may be installed on the terminal, and the control device application may be used to replace the functions of the entity control device. However, the user finds that when the display device is connected with the terminal hotspot, the display device cannot be awakened, and bad use experience is brought to the user.
Disclosure of Invention
The embodiment of the application provides a method for waking up standby display equipment, display equipment and a terminal, wherein the display equipment can be waken up by the terminal when being connected with a terminal hot spot, so that the use experience of a user is improved.
In a first aspect, there is provided a display device including:
a display for displaying a user interface;
a user interface for receiving an input signal;
a controller coupled to the display and the user interface, respectively, for performing: when the display equipment is in direct current standby, a wake-up packet sent by a terminal is received, whether equipment identification in the wake-up packet is identical to equipment identification of the display equipment is determined, if so, the display equipment is started, and the terminal is connected with the display equipment through a terminal or hot spots of other terminals.
In some embodiments, the controller is configured to perform the step of powering on the display device according to the following steps: the controller comprises a wifi module, wherein the wifi module comprises a wifi small plate, and a wake-up pin is arranged on the wifi small plate; setting the state of the wake-up pin to be on; and when the state of the wake-up pin is detected to be on, starting the display device.
In a second aspect, a terminal is provided, the terminal configured to:
receiving user input for starting the control device application, and determining the network connection state of the terminal;
acquiring a corresponding IP address and a subnet mask according to the network connection state of the terminal; determining a broadcast address according to the IP address and the subnet mask, wherein the network connection state comprises that a terminal is connected with a wireless local area network or the terminal starts a hot spot; and generating a wake-up packet, and sending the wake-up packet to all display devices in the network segment corresponding to the broadcast address.
In some embodiments, the terminal is configured to generate the wake-up packet by:
determining a device identification set, wherein the device identification set comprises device identifications of display devices which are awakened by the control device application; and forming a wake-up packet by each device identifier in the device identifier set and a preset identifier.
In some embodiments, the terminal is configured to send the wake-up packet to all display devices in the broadcast address corresponding network segment according to the following steps:
and the number of the device identifiers in the device identifier set is larger than 1, and all wake-up packets are sent to all display devices in the network segment corresponding to the broadcast address one by one.
In a third aspect, a method of waking up a standby display device is provided, comprising:
when the display equipment is in direct current standby, a wake-up packet sent by a terminal is received, whether equipment identification in the wake-up packet is identical to equipment identification of the display equipment is determined, if so, the display equipment is started, and the terminal is connected with the display equipment through a terminal or hot spots of other terminals.
In some embodiments, the step of powering on the display device includes: the controller comprises a wifi module, wherein the wifi module comprises a wifi small plate, and a wake-up pin is arranged on the wifi small plate; setting the state of the wake-up pin to be on; and when the state of the wake-up pin is detected to be on, starting the display device.
In a fourth aspect, a method of waking up a standby display device is provided, comprising:
receiving user input for starting the control device application, and determining the network connection state of the terminal;
acquiring a corresponding IP address and a subnet mask according to the network connection state of the terminal; determining a broadcast address according to the IP address and the subnet mask, wherein the network connection state comprises that a terminal is connected with a wireless local area network or the terminal starts a hot spot; and generating a wake-up packet, and sending the wake-up packet to all display devices in the network segment corresponding to the broadcast address.
In some embodiments, the step of generating a wake-up packet, as shown in fig. 6, includes:
s401, determining a device identification set, wherein the device identification set comprises device identifications of display devices which are awakened by the control device application; s402, forming a wake-up packet by each device identifier in the device identifier set and a preset identifier.
In some embodiments, the step of sending the wake-up packet to all display devices in the broadcast address corresponding network segment includes:
and the number of the device identifiers in the device identifier set is larger than 1, and all wake-up packets are sent to all display devices in the network segment corresponding to the broadcast address one by one.
In the foregoing embodiments, a method for waking up a standby display device, a display device, and a terminal, the embodiments of the present application determine a broadcast address by using an IP address and a subnet mask address, and broadcast a wake-up packet using the broadcast address, so that a display device connected to a hotspot of the terminal wakes up. The method comprises the following steps: receiving user input for starting the control device application, and determining the network connection state of the terminal; acquiring a corresponding IP address and a subnet mask according to the network connection state of the terminal; determining a broadcast address according to the IP address and the subnet mask, wherein the network connection state comprises that a terminal is connected with a wireless local area network or the terminal starts a hot spot; and generating a wake-up packet, and sending the wake-up packet to all display devices in the network segment corresponding to the broadcast address.
Drawings
FIG. 1 illustrates a usage scenario of a display device according to some embodiments;
fig. 2 shows a hardware configuration block diagram of the control apparatus 100 according to some embodiments;
fig. 3 illustrates a hardware configuration block diagram of a display device 200 according to some embodiments;
FIG. 4 illustrates a software configuration diagram in a display device 200 according to some embodiments;
a flowchart of a method of waking up a standby display device according to some embodiments is shown schematically in fig. 5;
a flowchart of yet another method of waking up a standby display device according to some embodiments is illustrated in fig. 6.
Detailed Description
For purposes of clarity and implementation of the present application, the following description will make clear and complete descriptions of exemplary implementations of the present application with reference to the accompanying drawings in which exemplary implementations of the present application are illustrated, it being apparent that the exemplary implementations described are only some, but not all, of the examples of the present application.
It should be noted that the brief description of the terms in the present application is only for convenience in understanding the embodiments described below, and is not intended to limit the embodiments of the present application. Unless otherwise indicated, these terms should be construed in their ordinary and customary meaning.
The terms "first," second, "" third and the like in the description and in the claims and in the above drawings are used for distinguishing between similar or similar objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances.
The terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or apparatus that comprises a list of elements is not necessarily limited to all elements explicitly listed, but may include other elements not expressly listed or inherent to such product or apparatus.
The term "module" refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware or/and software code that is capable of performing the function associated with that element.
Fig. 1 is a schematic diagram of a usage scenario of a display device according to an embodiment. As shown in fig. 1, the display device 200 is also in data communication with a server 400, and a user can operate the display device 200 through the smart device 300 or the control apparatus 100.
In some embodiments, the control apparatus 100 may be a remote controller, and the communication between the remote controller and the display device includes at least one of infrared protocol communication or bluetooth protocol communication, and other short-range communication modes, and the display device 200 is controlled by a wireless or wired mode. The user may control the display apparatus 200 by inputting a user instruction through at least one of a key on a remote controller, a voice input, a control panel input, and the like.
In some embodiments, the smart device 300 may include any one of a mobile terminal, tablet, computer, notebook, AR/VR device, etc.
In some embodiments, the smart device 300 may also be used to control the display device 200. For example, the display device 200 is controlled using an application running on a smart device.
In some embodiments, the smart device 300 and the display device may also be used for communication of data.
In some embodiments, the display device 200 may also perform control in a manner other than the control apparatus 100 and the smart device 300, for example, the voice command control of the user may be directly received through a module configured inside the display device 200 device for acquiring voice commands, or the voice command control of the user may be received through a voice control apparatus configured outside the display device 200 device.
In some embodiments, the display device 200 is also in data communication with a server 400. The display device 200 may be permitted to make communication connections via a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 may provide various contents and interactions to the display device 200. The server 400 may be a cluster, or may be multiple clusters, and may include one or more types of servers.
In some embodiments, software steps performed by one step execution body may migrate on demand to be performed on another step execution body in data communication therewith. For example, software steps executed by the server may migrate to be executed on demand on a display device in data communication therewith, and vice versa.
Fig. 2 exemplarily shows a block diagram of a configuration of the control apparatus 100 in accordance with an exemplary embodiment. As shown in fig. 2, the control device 100 includes a controller 110, a communication interface 130, a user input/output interface 140, a memory, and a power supply. The control apparatus 100 may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive to the display device 200, and function as an interaction between the user and the display device 200.
In some embodiments, the communication interface 130 is configured to communicate with the outside, including at least one of a WIFI chip, a bluetooth module, NFC, or an alternative module.
In some embodiments, the user input/output interface 140 includes at least one of a microphone, a touchpad, a sensor, keys, or an alternative module.
Fig. 3 shows a hardware configuration block diagram of the display device 200 in accordance with an exemplary embodiment.
In some embodiments, display apparatus 200 includes at least one of a modem 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, memory, a power supply, a user interface.
In some embodiments the controller comprises a central processor, a video processor, an audio processor, a graphics processor, RAM, ROM, a first interface for input/output to an nth interface.
In some embodiments, the display 260 includes a display screen component for presenting a picture, and a driving component for driving an image display, for receiving an image signal from the controller output, for displaying video content, image content, and components of a menu manipulation interface, and a user manipulation UI interface, etc.
In some embodiments, the display 260 may be at least one of a liquid crystal display, an OLED display, and a projection display, and may also be a projection device and a projection screen.
In some embodiments, the modem 210 receives broadcast television signals via wired or wireless reception and demodulates audio-video signals, such as EPG data signals, from a plurality of wireless or wired broadcast television signals.
In some embodiments, communicator 220 is a component for communicating with external devices or servers according to various communication protocol types. For example: the communicator may include at least one of a Wifi module, a bluetooth module, a wired ethernet module, or other network communication protocol chip or a near field communication protocol chip, and an infrared receiver. The display apparatus 200 may establish transmission and reception of control signals and data signals with the control device 100 or the server 400 through the communicator 220.
In some embodiments, the detector 230 is used to collect signals of the external environment or interaction with the outside. For example, detector 230 includes a light receiver, a sensor for capturing the intensity of ambient light; alternatively, the detector 230 includes an image collector such as a camera, which may be used to collect external environmental scenes, user attributes, or user interaction gestures, or alternatively, the detector 230 includes a sound collector such as a microphone, or the like, which is used to receive external sounds.
In some embodiments, the external device interface 240 may include, but is not limited to, the following: high Definition Multimedia Interface (HDMI), analog or data high definition component input interface (component), composite video input interface (CVBS), USB input interface (USB), RGB port, or the like. The input/output interface may be a composite input/output interface formed by a plurality of interfaces.
In some embodiments, the controller 250 and the modem 210 may be located in separate devices, i.e., the modem 210 may also be located in an external device to the main device in which the controller 250 is located, such as an external set-top box or the like.
In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored on the memory. The controller 250 controls the overall operation of the display apparatus 200. For example: in response to receiving a user command to select a UI object to be displayed on the display 260, the controller 250 may perform an operation related to the object selected by the user command.
In some embodiments, the object may be any one of selectable objects, such as a hyperlink, an icon, or other operable control. The operations related to the selected object are: displaying an operation of connecting to a hyperlink page, a document, an image, or the like, or executing an operation of a program corresponding to the icon.
In some embodiments the controller includes at least one of a central processing unit (Central Processing Unit, CPU), video processor, audio processor, graphics processor (Graphics Processing Unit, GPU), RAM Random Access Memory, RAM), ROM (Read-Only Memory, ROM), first to nth interfaces for input/output, a communication Bus (Bus), and the like.
A CPU processor. For executing operating system and application program instructions stored in the memory, and executing various application programs, data and contents according to various interactive instructions received from the outside, so as to finally display and play various audio and video contents. The CPU processor may include a plurality of processors. Such as one main processor and one or more sub-processors.
In some embodiments, a graphics processor is used to generate various graphical objects, such as: at least one of icons, operation menus, and user input instruction display graphics. The graphic processor comprises an arithmetic unit, which is used for receiving various interactive instructions input by a user to operate and displaying various objects according to display attributes; the device also comprises a renderer for rendering various objects obtained based on the arithmetic unit, wherein the rendered objects are used for being displayed on a display.
In some embodiments, the video processor is configured to receive an external video signal, perform at least one of decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, image composition, and the like according to a standard codec protocol of an input signal, and obtain a signal that is displayed or played on the directly displayable device 200.
In some embodiments, the video processor includes at least one of a demultiplexing module, a video decoding module, an image compositing module, a frame rate conversion module, a display formatting module, and the like. The demultiplexing module is used for demultiplexing the input audio and video data stream. And the video decoding module is used for processing the demultiplexed video signal, including decoding, scaling and the like. And an image synthesis module, such as an image synthesizer, for performing superposition mixing processing on the graphic generator and the video image after the scaling processing according to the GUI signal input by the user or generated by the graphic generator, so as to generate an image signal for display. And the frame rate conversion module is used for converting the frame rate of the input video. And the display formatting module is used for converting the received frame rate into a video output signal and changing the video output signal to be in accordance with a display format, such as outputting RGB data signals.
In some embodiments, the audio processor is configured to receive an external audio signal, decompress and decode according to a standard codec protocol of an input signal, and at least one of noise reduction, digital-to-analog conversion, and amplification, to obtain a sound signal that can be played in the speaker.
In some embodiments, a user may input a user command through a Graphical User Interface (GUI) displayed on the display 260, and the user input interface receives the user input command through the Graphical User Interface (GUI). Alternatively, the user may input the user command by inputting a specific sound or gesture, and the user input interface recognizes the sound or gesture through the sensor to receive the user input command.
In some embodiments, a "user interface" is a media interface for interaction and exchange of information between an application or operating system and a user that enables conversion between an internal form of information and a form acceptable to the user. A commonly used presentation form of the user interface is a graphical user interface (Graphic User Interface, GUI), which refers to a user interface related to computer operations that is displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in a display screen of the electronic device, where the control may include at least one of a visual interface element such as an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc.
In some embodiments, the user interface 280 is an interface (e.g., physical keys on a display device body, or the like) that may be used to receive control inputs.
In some embodiments, a system of display devices may include a Kernel (Kernel), a command parser (shell), a file system, and an application program. The kernel, shell, and file system together form the basic operating system architecture that allows users to manage files, run programs, and use the system. After power-up, the kernel is started, the kernel space is activated, hardware is abstracted, hardware parameters are initialized, virtual memory, a scheduler, signal and inter-process communication (IPC) are operated and maintained. After the kernel is started, shell and user application programs are loaded again. The application program is compiled into machine code after being started to form a process.
Referring to FIG. 4, in some embodiments, the system is divided into four layers, from top to bottom, an application layer (simply "application layer"), an application framework layer (Application Framework) layer (simply "framework layer"), a An Zhuoyun row (Android run) and a system library layer (simply "system runtime layer"), and a kernel layer, respectively.
In some embodiments, at least one application program is running in the application program layer, and these application programs may be a Window (Window) program of an operating system, a system setting program, a clock program, or the like; or may be an application developed by a third party developer. In particular implementations, the application packages in the application layer are not limited to the above examples.
The framework layer provides an application programming interface (application programming interface, API) and programming framework for application programs of the application layer. The application framework layer includes a number of predefined functions. The application framework layer corresponds to a processing center that decides to let the applications in the application layer act. Through the API interface, the application program can access the resources in the system and acquire the services of the system in the execution.
As shown in fig. 4, the application framework layer in the embodiment of the present application includes a manager (manager), a Content Provider (Content Provider), and the like, where the manager includes at least one of the following modules: an Activity Manager (Activity Manager) is used to interact with all activities that are running in the system; a Location Manager (Location Manager) is used to provide system services or applications with access to system Location services; a Package Manager (Package Manager) for retrieving various information about an application Package currently installed on the device; a notification manager (Notification Manager) for controlling the display and clearing of notification messages; a Window Manager (Window Manager) is used to manage bracketing icons, windows, toolbars, wallpaper, and desktop components on the user interface.
In some embodiments, the activity manager is used to manage the lifecycle of the individual applications as well as the usual navigation rollback functions, such as controlling the exit, opening, fallback, etc. of the applications. The window manager is used for managing all window programs, such as obtaining the size of the display screen, judging whether a status bar exists or not, locking the screen, intercepting the screen, controlling the change of the display window (for example, reducing the display window to display, dithering display, distorting display, etc.), etc.
In some embodiments, the system runtime layer provides support for the upper layer, the framework layer, and when the framework layer is in use, the android operating system runs the C/C++ libraries contained in the system runtime layer to implement the functions to be implemented by the framework layer.
In some embodiments, the kernel layer is a layer between hardware and software. As shown in fig. 4, the kernel layer contains at least one of the following drivers: audio drive, display drive, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (e.g., fingerprint sensor, temperature sensor, pressure sensor, etc.), and power supply drive, etc.
In the related art, the display device may be dc-standby according to the use requirement. When the display device is in direct current standby, the link layer of the WIFI module in the WIFI chip is still connected with the router and has the capability of collecting the data packet, and it is required to be noted that the standby display device can only collect the data packet in the local area network.
When the display equipment is in direct current standby, the control device can wake up the display equipment, the display equipment is started, and after the display equipment is started, a user can normally use the display equipment. In order to facilitate the user operation, a control device application may be installed on the terminal, and the control device application may be used to replace the functions of the entity control device. However, the user finds that when the display device is connected with the terminal hotspot, the display device cannot be awakened, and bad use experience is brought to the user.
In some embodiments of the present application, in order to facilitate the operation of the display device, a control device application may be installed in the terminal, where the control device may be understood as a remote controller, the control device application is a virtual remote controller, and the function of the physical remote controller may be completed by using the control device application.
In the related art, when the terminal where the control device is applied and the display device are in the same local area network, the terminal can wake up the display device, and the terminal and the display device are in the same wifi network, for example, the terminal can wake up the display device. In some embodiments, when the terminal where the control device application is located is connected to the display device through the terminal hotspot of the IOS system, or when the terminal where the control device application is located is connected to the display device through the terminal hotspot, it is found that the display device cannot be awakened through the terminal.
Wake-on-LAN (WOL) is a computer Wake-on-LAN technology that turns on a display device on standby within a LAN. Wireless Wake-on-Wireless-LAN (WoWLAN) is used as a complementary technology to WOL to Wake up the display device using a Wireless network card. Wake-on-network is only required in a general lan environment using a limited broadcast address (255.255.255.255).
Through research, the following findings are found: when the standby display device and the terminal provided with the control device are in the same local area network, the terminal broadcasts a wake-up packet to the address 255.255.255.255, and the display device automatically wakes up after receiving the wake-up packet, but when the standby display device is connected with a terminal hot spot, and the terminal is also connected with a mobile network, the terminal broadcasts the wake-up packet to a corresponding network segment of the mobile network when broadcasting the wake-up packet, so that the display device connected with the terminal through the terminal hot spot cannot receive the wake-up packet, namely cannot wake-up, and the mobile network comprises communication technologies such as 4G,3G,2G,5G and the like. In addition, when the standby display device is connected with the terminal through the terminal hotspot of the IOS system, the IOS system terminal serves as a router, and since the broadcast address broadcast by the IOS system terminal is limited and cannot be broadcast to the display device under the network segment corresponding to the broadcast address 255.255.255.255, the display device cannot receive the wake-up packet.
In order to solve the above technical problem, an embodiment of the present application provides a method for waking up a standby display device, as shown in fig. 5, including:
s100, the terminal receives user input for starting the control device application, and determines the network connection state of the terminal.
It should be explained that, icons of the control device application are displayed on the user interface of the terminal, and when the terminal is a touch screen terminal, a user can touch the corresponding positions of the icons in the display screen by fingers to finish the user input of starting the control device application; when the terminal is a non-touch screen terminal, the focus can be moved to the icon through a key on the terminal, and a confirmation key is pressed to finish the user input for starting the control device application.
And S200, acquiring a corresponding IP address and a subnet mask according to the network connection state of the terminal, wherein the network connection state comprises that the terminal is connected with a wireless local area network or the terminal starts a hot spot.
When the terminal is connected with a wireless local area network (wifi), the corresponding IP address and subnet mask are acquired, including the IP address and subnet mask of the wireless local area network are acquired. When the terminal opens the hot spot, the corresponding IP address and the subnet mask are acquired, including acquiring the IP address and the subnet mask of the hot spot.
S300, determining the broadcast address according to the IP address and the subnet mask.
In some embodiments, based on the IP address and subnet mask, the broadcast address is determined to be calculated by the following formula:
broadcastip= (IP & netMask) | (-netMask), i.e. (IP bits with subnet mask) bits or up (non of subnet mask);
wherein, broadCasteip is a broadcast address, IP is an IP address, and netMask is a subnet mask.
Assuming an IP address of 128.36.199.3, the subnet mask is 255.255.240.0. The IP address and subnet mask are converted to binary. The IP address and the subnet mask are bitwise and operated to obtain a binary subnet mask with address 128.36.192.0, and then the broadcast address 128.36.207.255 is obtained.
In some embodiments, S400, the terminal generates a wake-up packet, and sends the wake-up packet to all display devices in the network segment corresponding to the broadcast address. In this embodiment, unlike the prior art, in any case in the prior art, a wake-up packet is sent to a display device in a corresponding network segment of 255.255.255.255, but the wake-up packet may not be sent to a standby display device due to a technical problem, and the standby display device cannot be woken up. In the embodiment of the application, the wake-up packet is not sent to the display device in the network segment corresponding to 255.255.255.255, but the play address is regenerated through the IP address and the subnet mask, the problem that the IOS system terminal does not send the wake-up packet to the display device in the network segment corresponding to the play address does not exist under the play address, meanwhile, when the standby display device is connected with the terminal hot spot, and the terminal is also connected with the mobile network at the same time, the situation that the terminal broadcasts the wake-up packet to the network segment corresponding to the mobile network occurs.
In some embodiments, the step of generating the wake-up packet includes: a device identification set is determined, the device identification set comprising device identifications of display devices that were awakened by the control apparatus application. In some embodiments the device identification set includes device identifications of display devices obtained according to other rules, and the device identifications are combined into the device identification set. The device identifiers and the display devices are in one-to-one correspondence.
And forming a wake-up packet by each device identifier in the device identifier set and a preset identifier. The device identifier set includes device identifiers a, device identifiers B, device identifiers C and device identifiers D, at this time, the number of wake-up packets is also 4, each wake-up packet carries one device identifier, the wake-up packet a includes the device identifier a and a preset identifier, the wake-up packet B includes the device identifier B and a preset identifier, the wake-up packet C includes the device identifier C and a preset identifier, and the wake-up packet D includes the device identifier D and a preset identifier.
In some implementations, according to the Magic Packet standard, the user data of the wake-up Packet is divided into two parts: the front part is 6 FFs to show that this is a special wake-up packet. The latter part is the device identification repeated 16 times for specifying the display device to wake up.
In some embodiments, the step of sending the wake-up packet to all display devices in the broadcast address corresponding network segment includes: and the number of the device identifiers in the device identifier set is larger than 1, and all wake-up packets are sent to all display devices in the network segment corresponding to the broadcast address one by one. Illustratively, the wake-up packet a, the wake-up packet B, the wake-up packet C, and the wake-up packet D are respectively sent to all display devices in the network segment corresponding to the broadcast address one by one.
S500, when the display equipment is in direct current standby, a wake-up packet sent by the terminal is received. S600, determining whether the device identification in the wake-up packet is identical to the device identification of the display device. And S700, if the terminal is the same, starting up the display device, wherein the terminal is connected with the display device through a terminal or a hot spot of other terminals. S800, if the display equipment is not the same, the display equipment is not controlled to be started.
When the device identifier in the wake-up packet is the same as the device identifier of the display device, the display device is waken up by the terminal, and the terminal has wake-up authority to the display device. If the terminal has wake-up authority to the display equipment, the display equipment is started.
In some embodiments, the broadcast address corresponds to a plurality of display devices in the network segment, at this time, the wake-up packet is sent to all the display devices, and if the device identifiers of the display devices that receive the wake-up packet are the same, the display devices are started up because the device identifiers exist in the wake-up packet.
In some embodiments, the step of powering on the display device includes: the controller comprises a wifi module, wherein the wifi module comprises a wifi small plate, and a wake-up pin is arranged on the wifi small plate; setting the state of the wake-up pin to be on; and when the state of the wake-up pin is detected to be on, starting the display device.
In the foregoing embodiments, a method for waking up a standby display device, a display device, and a terminal, the embodiments of the present application determine a broadcast address by using an IP address and a subnet mask address, and broadcast a wake-up packet using the broadcast address, so that the display device connected to a hotspot of the terminal wakes up. The method comprises the following steps: receiving user input for starting the control device application, and determining the network connection state of the terminal; acquiring a corresponding IP address and a subnet mask according to the network connection state of the terminal; determining a broadcast address according to the IP address and the subnet mask, wherein the network connection state comprises that a terminal is connected with a wireless local area network or the terminal starts a hot spot; and generating a wake-up packet, and sending the wake-up packet to all display devices in the network segment corresponding to the broadcast address.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. A display device, characterized by comprising:
a display for displaying a user interface;
a user interface for receiving an input signal;
a controller coupled to the display and the user interface, respectively, for performing: when display equipment is in direct current standby, a wake-up packet sent by a terminal is received, whether equipment identifiers in the wake-up packet are identical to the equipment identifiers of the display equipment or not is determined, if yes, the display equipment is started, wherein the terminal is connected with the display equipment through a terminal or hot spots of other terminals, the terminal generates the wake-up packet according to the equipment identifiers in equipment identifier sets, the equipment identifier sets comprise the equipment identifiers of the display equipment which are waken up by a control device on the terminal, the network connection state of the terminal is that the terminal is connected to a mobile network and the hot spots are started, the terminal determines the broadcast address of the wake-up packet according to the IP address and a subnet mask of the hot spots, and sends the wake-up packet to all the display equipment in a network segment corresponding to the broadcast address.
2. The display device of claim 1, wherein the controller is configured to perform the step of powering on the display device as follows: the controller comprises a wifi module, wherein the wifi module comprises a wifi small plate, and a wake-up pin is arranged on the wifi small plate; setting the state of the wake-up pin to be on; and when the state of the wake-up pin is detected to be on, starting the display device.
3. A terminal, characterized in that the terminal is configured to:
receiving user input for starting the control device application, and determining the network connection state of the terminal;
according to the network connection state of the terminal, connecting the terminal to a mobile network and starting a hot spot, and acquiring an IP address and a subnet mask of the hot spot; determining a broadcast address according to the IP address and the subnet mask; generating a wake-up packet according to the device identifications in the device identification set, wherein the device identification set comprises the device identifications of the display devices which are awakened by the control device application on the terminal, and transmitting the wake-up packet to all the display devices in the network segment corresponding to the broadcast address.
4. A terminal according to claim 3, characterized in that the terminal is configured to perform the generation of a wake-up packet according to the following steps:
determining a device identification set; and forming a wake-up packet by each device identifier in the device identifier set and a preset identifier.
5. The terminal according to claim 4, characterized in that the terminal is configured to perform the sending of the wake-up packet to all display devices in the broadcast address corresponding network segment according to the following steps:
and the number of the device identifiers in the device identifier set is larger than 1, and all wake-up packets are sent to all display devices in the network segment corresponding to the broadcast address one by one.
6. A method of waking up a standby display device, comprising:
when display equipment is in direct current standby, a wake-up packet sent by a terminal is received, whether equipment identifiers in the wake-up packet are identical to the equipment identifiers of the display equipment or not is determined, if yes, the display equipment is started, wherein the terminal is connected with the display equipment through a terminal or hot spots of other terminals, the terminal generates the wake-up packet according to the equipment identifiers in equipment identifier sets, the equipment identifier sets comprise the equipment identifiers of the display equipment which are waken up by a control device on the terminal, the network connection state of the terminal comprises that the terminal is connected to a mobile network and the hot spots are started, the terminal determines the broadcast addresses of the wake-up packet according to the IP addresses and the subnet masks of the hot spots, and sends the wake-up packet to all the display equipment in a network segment corresponding to the broadcast addresses.
7. The method of claim 6, wherein the step of powering on the display device comprises: the controller comprises a wifi module, wherein the wifi module comprises a wifi small plate, and a wake-up pin is arranged on the wifi small plate; setting the state of the wake-up pin to be on; and when the state of the wake-up pin is detected to be on, starting the display device.
8. A method of waking up a standby display device, comprising:
receiving user input for starting the control device application, and determining the network connection state of the terminal;
according to the network connection state of the terminal, connecting the terminal to a mobile network and starting a hot spot, and acquiring an IP address and a subnet mask of the hot spot; determining a broadcast address according to the IP address and the subnet mask; generating a wake-up packet according to the device identifications in the device identification set, wherein the device identification set comprises the device identifications of the display devices which are awakened by the control device application on the terminal, and transmitting the wake-up packet to all the display devices in the network segment corresponding to the broadcast address.
9. The method of claim 8, wherein the step of generating a wake-up packet comprises:
determining a device identification set; and forming a wake-up packet by each device identifier in the device identifier set and a preset identifier.
10. The method of claim 9, wherein the step of transmitting the wake-up packet to all display devices in the broadcast address corresponding network segment comprises:
and the number of the device identifiers in the device identifier set is larger than 1, and all wake-up packets are sent to all display devices in the network segment corresponding to the broadcast address one by one.
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