Startup control method for display system, display system and storage medium

Abstract

Disclosed in embodiments of the present application are a startup control method for a display system, a display system and a storage medium. The display system comprises a master display device and at least one slave display device. The method comprises: when determining to start operation, a first processor in a main control module of the master display device instructs the main control module to start operation, changes control pins in the first processor connected to the slave display devices from an input mode to an output mode, and sends a wake-up signal by means of the control pins in the output mode; and upon receiving the wake-up signal, a second mainboard of the corresponding slave display device starts operation and lights up a second display screen of the slave display device, wherein on the basis of a startup signal sent by a first mainboard of the master display device, or on the basis of a wake-up signal sent by any slave display device, the first processor can determine to start operation. The technical means above solves the technical problem of complex boot process during startup of display devices in a tiled display scenario.

Description

A display system startup control method, display system and storage medium Technical Field

[0001] The embodiments of the present application relate to the field of splicing display technology, and in particular to a startup control method for a display system, a display system, and a storage medium. Background Art

[0002] With the development and popularization of display technology, splicing multiple independent display devices together through connecting cables for splicing display has become a common display scenario. For example, when a large-size display screen is needed, a large-size display screen can be obtained by splicing multiple display devices together.

[0003] In the related art, each display device in the mosaic has its own startup settings. In the startup scenario, the user needs to control each display device separately to start it up before the mosaic display can be realized. It can be seen that the user's operation in this scenario is too cumbersome and is not conducive to the quick startup of each display device in the mosaic display.

[0004] Summary of the Invention

[0005] The embodiments of the present application provide a startup control method for a display system, a display system, and a storage medium to solve the technical problem of a complex startup process when starting each display device in a spliced ​​display scenario in the related art.

[0006] In a first aspect, an embodiment of the present application provides a startup control method for a display system, the display system including a master display device and at least one slave display device, the master display device including a first mainboard, a first display screen, and a main control module, the main control module including a first processor and at least one first High Definition Multimedia Interface (HDMI) interface, the first processor being connected to the first mainboard via a serial port, and the first mainboard being connected to the first display screen;

[0007] Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard being connected to the second display screen, the second mainboard being provided with a second HDMI interface, each of the second HDMI interfaces being connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces being connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor being both configured in input mode;

[0008] The startup control method includes:

[0009] When the first processor receives a startup signal from the first mainboard of the master display device through the serial port, it instructs the master control module to start running, and after configuring the control pins of the first processor connected to the slave display devices to output mode, outputs a first wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device receives the first wake-up signal through the second HDMI interface, starts running according to the first wake-up signal, and lights up the second display screen;

[0010] When the second mainboard of the slave display device receives a startup signal, the control pin of the second HDMI interface is configured to output mode, and then a second wake-up signal is sent to the first processor through the control pin of the second HDMI interface; when the first processor receives the second wake-up signal sent by the slave display device through a control pin, the first mainboard is woken up through the serial port, so that the first mainboard lights up the first display screen, and the first processor also instructs the main control module to start running, and after configuring the control pin of the first processor connected to other slave display devices to output mode, the second wake-up signal is sent to other slave display devices through the control pin in output mode; the second mainboard of the other slave display device receives the second wake-up signal through the second HDMI interface, and starts running according to the second wake-up signal, lighting up the second display screen.

[0011] As described above, when the first processor of the master display device receives a startup signal from the first mainboard of the master display device through the serial port, it can instruct the main control module to start running, and configure the control pin connected to the slave display device to the output mode, and send a first wake-up signal to the slave display device through the control pin in the output mode, so that the slave display device starts running through the first wake-up signal and lights up the second display screen, or, when the second mainboard of the slave display device receives a startup signal, configures the control pin of its own second HDMI interface to the output mode, and sends a second wake-up signal to the first processor through the control pin. When the first processor receives the second wake-up signal through a control pin, it wakes up the first mainboard through the serial port, so that the first mainboard starts running And light up the first display screen, the first processor also instructs the main control module to start running, and configures the control pin of the first processor connected to other slave display devices to output mode, and sends a first wake-up signal to other slave display devices through the control pin in output mode, so that other slave display devices start running and light up the second display screen through the first wake-up signal. The technical means solves the technical problem of the complicated startup process when starting each display device in the splicing display scenario in the related art, without the user having to operate each display device in turn, and the display device operated by the user can be either a master display device or a slave display device, so that the user can more flexibly control the startup of each display device, simplify the startup process, and reduce the user's workload and operation time. In addition, the user can select the required number of slave display devices for splicing based on actual conditions, providing a better user experience. In addition, by setting the input mode and output mode, the wake-up method can be achieved using ordinary I / O, which reduces the hardware and software requirements for the device and facilitates the widespread application of the startup control method.

[0012] In one embodiment of the present application, the startup control method further includes:

[0013] When the first processor detects a startup signal for starting the main control module, it instructs the main control module to start running and wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen. The first processor also configures all control pins of the first processor connected to the slave display devices to output mode, and then outputs a third wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device receives the third wake-up signal through the second HDMI interface, and starts running according to the third wake-up signal, lighting up the second display screen.

[0014] As described above, the first processor can also directly receive the startup signal for activating the master control module and instruct the master control module to start operation. At the same time, the first processor can also wake up the first mainboard and instruct each slave display device to start. That is, only one startup is required to activate both the master display device and the slave display device for spliced ​​display, eliminating the need for the user to operate each display device sequentially. This simplifies the startup process and reduces the user's workload and operation time. Furthermore, by setting the input mode and output mode, wake-up can be achieved using a standard I / O method, reducing the hardware and software requirements for the device and facilitating the widespread application of the startup control method.

[0015] In one embodiment of the present application, the main control module further includes a second processor and a third HDMI interface, the second processor is connected to the second HDMI interface on each second mainboard through each first HDMI interface, the first mainboard further includes a fourth HDMI interface, the fourth HDMI interface is connected to the first display, and the second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display, and the startup control method further includes:

[0016] The second processor generates a first display signal of the master display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen through the third HDMI interface, and sends the second display signal to the slave display devices through each of the first HDMI interfaces;

[0017] The first display screen of the main display device displays the first display signal received through the fourth HDMI interface;

[0018] The second display signal received through the second HDMI interface is displayed on the second display screen of the slave display device.

[0019] As mentioned above, after the master display device and each slave display device light up their respective display screens, the second processor of the main control module can determine the display signals corresponding to the master display device and each slave display device, and send the corresponding display signals through the corresponding HDMI interface, thereby realizing the splicing display of the master display device and each slave display device.

[0020] In one embodiment of the present application, the main control module is a pluggable detection module, and the pluggable detection module is electrically connected to the first mainboard.

[0021] In one embodiment of the present application, the startup signal for starting the main control module includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level trigger signal, or a key signal triggered by a key switch on the main control module.

[0022] As described above, users can start the main control module in a variety of ways, which improves the user experience.

[0023] In a second aspect, an embodiment of the present application provides a display system, the display system including a master display device and at least one slave display device, the master display device including a first mainboard, a first display screen, and a main control module, the main control module including a first processor and at least one first HDMI interface, the first processor being connected to the first mainboard via a serial port, and the first mainboard being connected to the first display screen;

[0024] Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard being connected to the second display screen, the second mainboard being provided with a second HDMI interface, each of the second HDMI interfaces being connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces being connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor being both configured in input mode;

[0025] The first processor is configured to, upon receiving a startup signal from the first mainboard of the master display device through the serial port, instruct the master control module to start operation, and after configuring all control pins of the first processor connected to the slave display devices to an output mode, output a first wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device is configured to receive the first wake-up signal through the second HDMI interface, start operation according to the first wake-up signal, and light up the second display screen;

[0026] The second mainboard of the slave display device is further configured to, upon receiving a start signal, configure the control pin of the second HDMI interface to an output mode, and then send a second wake-up signal to the first processor through the control pin of the second HDMI interface; the first processor is further configured to, upon receiving the second wake-up signal sent by the slave display device through a control pin, wake up the first mainboard through the serial port, so that the first mainboard lights up the first display screen, and is further configured to instruct the main control module to start running, and after configuring the control pin of the first processor connected to other slave display devices to an output mode, send the second wake-up signal to other slave display devices through the control pin in the output mode, so that the second mainboard of the other slave display device receives the second wake-up signal through the second HDMI interface and starts running according to the second wake-up signal to light up the second display screen.

[0027] In one embodiment of the present application, the first processor is further used to, when detecting a start signal for starting the main control module, instruct the main control module to start operation and wake up the first mainboard through the serial port, so that the first mainboard lights up the first display screen. It is also used to configure the control pins of the first processor connected to the slave display device to output mode, and then output a third wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device is further used to receive the third wake-up signal through the second HDMI interface, and start operation according to the third wake-up signal to light up the second display screen.

[0028] In one embodiment of the present application, the main control module further includes a second processor and a third HDMI interface, the second processor is connected to the second HDMI interface on each second mainboard through each first HDMI interface, the first mainboard further includes a fourth HDMI interface, the fourth HDMI interface is connected to the first display, and the second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display.

[0029] The second processor is configured to generate a first display signal for the master display device and a second display signal corresponding to each slave display device, and send the first display signal to the first display screen through the third HDMI interface, and send the second display signal to the slave display devices through each of the first HDMI interfaces;

[0030] The first display screen of the main display device is used to display the first display signal received through the fourth HDMI interface;

[0031] The second display screen of the slave display device is used to display the second display signal received through the second HDMI interface.

[0032] In one embodiment of the present application, the main control module is a pluggable detection module, and the pluggable detection module is electrically connected to the first mainboard.

[0033] In one embodiment of the present application, the startup signal for starting the main control module includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level trigger signal, or a key signal triggered by a key switch on the main control module.

[0034] The beneficial effects of the above display system can refer to the beneficial effects of the startup control method of the display system in the first aspect.

[0035] In a third aspect, an embodiment of the present application provides a startup control method for a display system, the display system including a master display device and at least one slave display device, the master display device including a first mainboard, a first display screen, and a main control module, the main control module including a first processor and at least one first HDMI interface, the first processor being connected to the first mainboard via a serial port, and the first mainboard being connected to the first display screen;

[0036] Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard being connected to the second display screen, the second mainboard being provided with a second HDMI interface, each of the second HDMI interfaces being connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces being connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor being both configured in input mode;

[0037] The startup control method includes:

[0038] When the first processor detects the start signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to an output mode;

[0039] The first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in the output mode;

[0040] The second mainboard of the slave display device receives the fourth wake-up signal through the second HDMI interface in input mode, starts running according to the fourth wake-up signal, and lights up the second display screen.

[0041] In the above, when the first processor of the master display device detects the startup signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to output mode. After that, the first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in output mode. When the second mainboard of the slave display device receives the fourth wake-up signal through the control pin of the second HDMI interface in input mode, it starts running and lights up the second display screen. This technical means solves the technical problem of the complicated startup process when starting each display device in the splicing display scenario in the related art. When the first processor detects the startup signal, it starts running and sends the fourth wake-up signal to each slave display device that has not been started, so that each slave display device can also start running based on the fourth wake-up signal. In this way, in the splicing display scenario, there is no need for the user to operate each display device to start, and each display device can be quickly started, simplifying the startup process and reducing the user's workload and operation time. In addition, the user can select the required number of slave display devices for splicing based on actual conditions, providing a better user experience. In addition, by setting the input mode and output mode, the wake-up can be achieved using a normal I / O method, reducing the hardware and software requirements for the device, and facilitating the wide application of the startup control method.

[0042] In one embodiment of the present application, when the first processor detects the startup signal, it instructs the main control module to start running, and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, including:

[0043] When the first processor receives the startup signal sent by the first mainboard through the serial port, it instructs the main control module to start running and changes each control pin connected to the slave display device from input mode to output mode.

[0044] As described above, when the first mainboard in the master display device receives the startup signal, it can also send a startup signal to the first processor to instruct the master control module to start up. When the master control module starts up, the first processor can also send a fourth wake-up signal to each slave display device to instruct each slave display device to start up. In this way, the display system only needs to receive the startup instruction once to complete the activation of each display device, achieving rapid startup of each display device and simplifying the startup process. Furthermore, by properly changing the input and output modes of the control pins, wake-up can be achieved using a standard I / O method, reducing the hardware and software requirements for the device and facilitating the widespread application of the startup control method.

[0045] In one embodiment of the present application, when the first processor detects the startup signal, it instructs the main control module to start running, and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, including:

[0046] When the first processor detects the start signal for starting the main control module, it instructs the main control module to start running and changes each control pin connected to the slave display device from an input mode to an output mode.

[0047] As described above, when the first processor in the master display device receives a startup signal for activating the master control module, it simultaneously activates the master control module and wakes up the first mainboard for startup. Furthermore, it can send a fourth wake-up signal to each slave display device to instruct it to start. This allows the display system to activate each display device only after receiving the startup instruction once, achieving rapid startup of the display system and simplifying the boot process. Furthermore, by properly changing the input and output modes of the control pins, wake-up can be achieved using standard I / O methods, reducing hardware and software requirements for the device and facilitating widespread application of the startup control method.

[0048] In one embodiment of the present application, when the first processor detects the startup signal, it instructs the main control module to start running, and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, including:

[0049] When the first processor receives the fifth wake-up signal sent by the target slave display device through a control pin, it determines that a start signal is detected, instructs the main control module to start running, and configures the control pin of the first processor connected to other slave display devices to output mode.

[0050] As described above, when any slave display device receives a startup signal, it can also send a fifth wake-up signal to the first processor at the same time as startup to start the main control module. In addition, the first processor also wakes up the first mainboard to instruct the first mainboard to start, and sends a fourth wake-up signal to the other slave display devices to instruct the other slave display devices to start. In this way, the display system only needs to receive a startup instruction once to complete the startup of each display device, achieving rapid startup of the display system and simplifying the startup process. In addition, by reasonably changing the input mode and output mode of the control pin, wake-up can be achieved using a normal I / O method, reducing the hardware and software requirements for the device and facilitating the widespread application of the startup control method.

[0051] In one embodiment of the present application, when the first processor detects a startup signal, it instructs the main control module to start running, and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, further comprising:

[0052] The first processor also wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen.

[0053] In one embodiment of the present application, when the first processor receives a fifth wake-up signal sent by a target slave display device through a control pin, determining that a start signal is detected, instructing the main control module to start running, and configuring the control pin of the first processor connected to other slave display devices to an output mode, the method further includes:

[0054] When the target receives a startup signal from the second mainboard of the display device, it starts running, lights up the second display screen, and configures the control pin of the second HDMI interface to output mode;

[0055] The target sends a fifth wake-up signal to the first processor through a control pin of the second HDMI interface from a second mainboard of the display device.

[0056] In one embodiment of the present application, the main control module further includes a second processor and a third HDMI interface, the second processor is connected to the second HDMI interface on each second mainboard through each first HDMI interface, the first mainboard further includes a fourth HDMI interface, the fourth HDMI interface is connected to the first display, and the second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display, and the startup control method further includes:

[0057] The second processor generates a first display signal of the master display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen through the third HDMI interface, and sends the second display signal to the slave display devices through each of the first HDMI interfaces;

[0058] The first display screen of the main display device displays the first display signal received through the fourth HDMI interface;

[0059] The second display signal received through the second HDMI interface is displayed on the second display screen of the slave display device.

[0060] As mentioned above, after the master display device and each slave display device light up their respective display screens, the second processor of the main control module can determine the display signals corresponding to the master display device and each slave display device, and send the corresponding display signals through the corresponding HDMI interface, thereby realizing the splicing display of the master display device and each slave display device.

[0061] In a fourth aspect, an embodiment of the present application provides a display system, comprising a master display device and at least one slave display device, wherein the master display device comprises a first mainboard, a first display screen, and a main control module, wherein the main control module comprises a first processor and at least one first HDMI interface, wherein the first processor is connected to the first mainboard via a serial port, and the first mainboard is connected to the first display screen;

[0062] Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard being connected to the second display screen, the second mainboard being provided with a second HDMI interface, each of the second HDMI interfaces being connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces being connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor being both configured in input mode;

[0063] The first processor is configured to, upon detecting a start-up signal, instruct the master control module to start operation, and configure a control pin of the first processor connected to the corresponding slave display device to an output mode; and send a fourth wake-up signal to the corresponding slave display device via the control pin in the output mode;

[0064] The second mainboard of the slave display device is configured to receive the fourth wake-up signal through the second HDMI interface in input mode, and start operation according to the fourth wake-up signal to light up the second display screen.

[0065] The beneficial effects of the above display system can refer to the beneficial effects of the startup control method of the display system in the third aspect.

[0066] In a fifth aspect, an embodiment of the present application further provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the startup control method of the display system as described in the first aspect or the third aspect.

[0067] The beneficial effects of the above storage medium can refer to the beneficial effects of the startup control method of the display system in the first aspect and the third aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0068] FIG1 is a flow chart of a startup control method of a display system provided by one embodiment of the present application;

[0069] FIG2 is a schematic structural diagram of a display system provided by one embodiment of the present application;

[0070] FIG3 is a flow chart of a startup control method of a display system provided by one embodiment of the present application;

[0071] FIG4 is a flow chart of a startup control method of a display system provided by one embodiment of the present application;

[0072] FIG5 is a flowchart of a startup control method of a display system provided by one embodiment of the present application;

[0073] FIG6 is a flowchart of a startup control method of a display system provided by one embodiment of the present application;

[0074] FIG7 is a structural diagram of a display system provided by one embodiment of the present application;

[0075] FIG8 is a first schematic diagram of signal transmission provided by an embodiment of the present application;

[0076] FIG9 is a second schematic diagram of signal transmission provided by an embodiment of the present application;

[0077] FIG10 is a third schematic diagram of signal transmission provided by an embodiment of the present application. DETAILED DESCRIPTION

[0078] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended to explain the present application, not to limit the present application. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present application, not all structures.

[0079] Generally speaking, multiple display devices are required for a spliced ​​display scenario. For example, two display devices form a two-spliced ​​display system, three display devices form a three-spliced ​​display system, and four display devices form a four-spliced ​​display system. A display device refers to an electronic device equipped with a display screen. Each display device is independent and can be used for either independent display or connected via cables to achieve a spliced ​​display.

[0080] In the related art, each display device is installed with at least one operating system. Currently, the description is based on the example that each display device is installed with at least the Android system. Each display device has an independent power-on setting when working under the Android system. Based on the independent power-on setting, each display device needs to receive a power-on action before it can start running. In the spliced ​​display scenario, the user is required to issue a power-on action for each display device separately, which makes the user's operation more cumbersome. For example, when four display devices are currently used for spliced ​​display, the user is required to perform four power-on actions, which makes the power-on process complicated.

[0081] To simplify the startup process, one solution is to configure a control scheme on the control host that controls the display in a video wall display scenario. This allows the control host to start up the other display devices simultaneously when it starts up. However, this solution requires the user to clearly know which control host is the control host. In video wall display scenarios, multiple identical display devices are often used for splicing, and the specific control host is difficult to distinguish from the appearance. When users try to start up the device, they still need to try multiple times before they can successfully start the device.

[0082] To address the aforementioned issues, an embodiment of the present application provides a startup control method for a display system. In a spliced ​​display scenario, this startup control method can control all display devices to power on simultaneously by sending a wake-up signal to the other display devices in the spliced ​​display when one display device powers on, effectively simplifying the startup process.

[0083] The startup control method provided in the embodiment of the present application is applicable to a display system, which includes a master display device and at least one slave display device, the master display device includes a first mainboard, a first display screen and a main control module, the main control module includes a first processor and at least one first HDMI interface, the first processor is connected to the first mainboard via a serial port, and the first mainboard is connected to the first display screen; each slave display device includes a second mainboard and a second display screen, the second mainboard is connected to the second display screen, a second HDMI interface is provided on the second mainboard, each second HDMI interface is connected to a first HDMI interface, and the control pin of each first HDMI interface is connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor are both configured as input mode.

[0084] Currently, a display system refers to a large-screen electronic device composed of multiple display devices. One of the multiple display devices in the display system serves as the master display device. The master display device is connected to each of the other display devices to achieve a spliced ​​display. In this case, each of the other display devices can be considered a slave display device connected to the master display device.

[0085] The main display device is internally mounted with a main board. In the embodiment, the main board mounted in the main display device is referred to as a first main board. The first main board is mounted with one or more processors, which may include an application processor (AP), a graphics processing unit (GPU), a central processing unit (CPU), and other processing units.

[0086] A memory may also be installed on the first mainboard. The memory may be used to store a computer executable program for the main display device, which includes instructions. The memory may include a program storage area and a data storage area. The program storage area may store an operating system and at least one application required for a function. The data storage area may store data created based on the use of the main display device, etc. The memory may include a high-speed random access memory and may also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device. The processor may execute the corresponding function of the main display device by running the computer executable program stored in the memory.

[0087] Based on the hardware structure of the first motherboard, the main display device can run an operating system. That is, the main display device is installed with an operating system, which can be an Android system, a Liunx system, or the like. In one embodiment, taking the Android system as an example, at least one application can be installed in the main display device. This application can be an application that comes with the operating system or an application downloaded from a backend server or a third-party device. By running these applications, various functions of the main display device can be realized.

[0088] The main display device is also equipped with a display screen. In the embodiment, the display screen installed in the main display device is recorded as the first display screen. The first display screen can be a liquid crystal display (Liquid Crystal Display), an LED display (LED display), an organic light-emitting diode (OLED) display screen or a flexible light-emitting diode (FLED) display screen, etc.

[0089] In one embodiment, the first display screen also has a touch function. In this case, the first display screen includes a display panel and a touch panel. The display panel is used to provide visual output. The touch panel can be a touch component that supports infrared touch, electromagnetic touch, capacitive touch, or resistive touch.

[0090] The first mainboard is connected to the first display screen so that the processor in the first mainboard determines the display content or the data source channel of the display of the first display screen.

[0091] In one embodiment, the main display device further includes at least one communication interface, through which the communication function can be implemented. The type and location of the communication interface are not currently limited.

[0092] In addition, the main display device may further include components such as a power supply, a camera, and a speaker. Other components may also be installed on the first mainboard, which is not limited in the embodiment.

[0093] In one embodiment, the main display device further includes a main control module, which is pluggable and installed on the main display device. For example, the main control module can be considered as a PC module installed in the main display device, which is a computing module in the OPS format. In this case, the main control module can be considered as a pluggable detection module. The main control module (i.e., the pluggable detection module) is electrically connected to the first mainboard so that after the main control module is installed on the main display device, the main display device can have the functions that can be implemented by the main control module.

[0094] The main control module is also equipped with one or more processors. In one embodiment, the processors installed in the main control module include at least a first processor, and the first processor is used to implement startup control of each display device included in the display system. Currently, the first processor is described as a microcontroller unit (MCU) as an example. That is, startup control of the master display device and the slave display device is implemented by the MCU. In one embodiment, the first processor is connected to the first mainboard through a serial port (i.e., a serial interface) to achieve communication between the first processor and the first mainboard, that is, to achieve electrical connection between the first mainboard and the main control module. In actual applications, the first processor can also be connected to the first mainboard through other connection methods.

[0095] Optionally, the processor installed in the main control module may further include a second processor, which is a processor used during the operation of the main control module, that is, a processor required for the operation of the operating system of the main control module. Currently, the second processor is described as including at least a central processing unit (CPU) as an example. That is, the operation of the main control module is achieved by the CPU. In one embodiment, the first processor and the second processor may also be connected so that the first processor instructs the second processor to start operation. The main control module may also be installed with other types of processors based on actual conditions, and the embodiment does not limit this.

[0096] The main control module may also be equipped with a memory that can be used to store a computer executable program for the main control module, which includes instructions. The type of memory is not currently limited. When the processor in the main control module has a storage function, the processor and memory may be integrated into a single physical entity.

[0097] Based on the hardware configuration of the aforementioned main control module, the main control module can run an operating system, which can be an Android system or a Windows system, and the operating system is mainly run by the second processor. In one embodiment, taking the main control module running the Windows system as an example, in this case, the main display device can run two operating systems based on the Android system running on the first motherboard and the Windows system running on the main control module. The operating system running on the first motherboard can be considered the main operating system, and the operating system running on the main control module can be considered the slave operating system. The slave operating system can be run in the foreground or background based on the user's selection.

[0098] The main control module also includes a plurality of communication interfaces for implementing communication. For example, when the first processor communicates with the first mainboard via a serial port, the communication interface included in the main control module includes at least a serial port.

[0099] In one embodiment, the communication interface included in the master control module further includes at least one HDMI interface. HDMI can be used to connect to a slave display device. Currently, the HDMI interface provided on the master control module and used to connect to the slave display device is referred to as a first HDMI interface. There is at least one first HDMI interface, and generally, there are multiple first HDMI interfaces.

[0100] Optionally, the first HDMI interface provided on the master control module can be exposed to the outside of the master display device, so that the slave display device can be directly connected to the first HDMI interface. Also optionally, the first HDMI interface provided on the master control module can be internal to the master display device. In this case, an HDMI port corresponding to the first HDMI port is present on the surface of the master display device, so that when the slave display device is connected to the HDMI port on the surface, the first HDMI port can be connected.

[0101] In one embodiment, each first HDMI interface has a control pin. The control pin is used to transmit signals related to the startup of each display device. Currently, the CEC pin in the first HDMI interface is used as the control pin of the first HDMI interface, wherein CEC is a communication protocol based on HDMI. If all devices connected via HDMI support the CEC protocol, then by controlling one of the devices, it is possible to simultaneously control other devices. In an embodiment of the present application, the CEC pin is applied to a spliced ​​display scenario. In one embodiment, the first processor also has at least one control pin, and the control pin of the first processor is connected to the control pin in the first HDMI interface, that is, each first HDMI interface has a corresponding control pin in the first processor, so as to realize the transmission of signals between the first processor and the corresponding first HDMI interface through the control pin. Among them, the implementation method of the control pin in the first processor is not currently limited.

[0102] In one embodiment, the main control module can also be connected to the first display screen via HDMI, so that the first display screen displays the display content generated by the main control module. Currently, the HDMI provided on the main control module and used to connect to the first display screen is recorded as the third HDMI interface. Correspondingly, the first mainboard is also provided with an HDMI for connecting to the third HDMI interface. Currently, the HDMI provided on the first mainboard is recorded as the fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. After the third HDMI interface is connected to the fourth HDMI interface, the main control module can be connected to the first display screen. Currently, the connection to the first display screen is mainly achieved by the second processor in the main control module, that is, the second processor can be connected to the fourth HDMI interface via the third HDMI interface, thereby achieving connection to the first display screen.

[0103] Exemplarily, the slave display device can be connected to the first HDMI interface to achieve connection with the master display device. Currently, there is at least one slave display device connected to the master display device, and the embodiment is described by taking at least two slave display devices as an example.

[0104] A mainboard is also installed inside the secondary display device. In the embodiment, the mainboard installed in the secondary display device is referred to as the second mainboard. One or more processors are installed on the second mainboard, wherein the processor may include processing units such as AP, GPU and CPU.

[0105] The second mainboard is also equipped with a memory that can be used to store a computer executable program for the slave display device, which includes instructions. The memory can include a program storage area and a data storage area. The program storage area can store an operating system and at least one application required for a function. The data storage area can store data generated based on the use of the slave display device, etc. The memory can include high-speed random access memory and non-volatile memory, such as at least one disk storage device, flash memory device, or other non-volatile solid-state storage device. The processor on the second mainboard can implement the corresponding function of the slave display device by running the computer executable program stored in the memory.

[0106] Based on the hardware structure of the second mainboard, the slave display device can implement the operation of an operating system. That is, the slave display device has an operating system installed. This operating system can be an Android system, a Linux system, or the like. In one embodiment, taking the Android system as an example, at least one application can be installed on the slave display device. This application can be an application that comes with the operating system or an application downloaded from a backend server or a third-party device. By running these applications, various functions of the slave display device can be implemented.

[0107] The secondary display device is also equipped with a display screen. In an embodiment, the display screen installed in the secondary display device is referred to as a second display screen. The second display screen may be a liquid crystal display screen, an LED display screen, an OLED display screen, or a FLED display screen.

[0108] In one embodiment, the second display screen also has a touch function. In this case, the second display screen includes a display panel and a touch panel. The display panel is used to provide visual output. The touch panel can be a touch component that supports infrared touch, electromagnetic touch, capacitive touch, or resistive touch.

[0109] The second mainboard is connected to the second display screen so that the processor in the second mainboard determines the display content or the data source channel of the display of the second display screen. The implementation method of the connection between the second mainboard and the second display screen is not currently limited.

[0110] In one embodiment, the slave display device further includes at least one communication interface, through which a communication function can be implemented. The type and location of the communication interface are not currently limited.

[0111] In addition, the slave display device may also include components such as a power supply, a camera, and a speaker. Other components may be installed on the second mainboard. The slave display device may also be installed with a pluggable PC module, which is not limited in the embodiment.

[0112] In one embodiment, when the slave display device is connected to the master display device, the slave display device is also provided with an HDMI for realizing the connection, that is, at least one HDMI is included in at least one communication interface of the slave display device. Currently, the HDMI in the slave display device is recorded as the second HDMI interface. That is, the connection between the master display device and the slave display device is realized through the first HDMI interface and the second HDMI interface. The second HDMI interface is provided on the second mainboard. In this case, the second HDMI interface can be exposed to the outside of the slave display device to realize the connection with the first HDMI interface. Optionally, the second HDMI interface can also be inside the slave display device. In this case, an HDMI corresponding to the second HDMI interface exists on the surface of the slave display device, so that when the master display device is connected to the HDMI on the surface, the second HDMI interface can be connected.

[0113] There are also control pins in the second HDMI interface to realize the transmission of startup-related signals through the control pins. Currently, the CEC pins in the second HDMI interface are used as the control pins of the second HDMI interface. At this time, the first processor can realize the transmission of startup-related signals with the second mainboard through its own control pins, the control pins of the first HDMI interface and the control pins of the second HDMI interface. The second processor in the main control module is also connected to each first HDMI interface to realize the transmission of display-related signals with the second mainboard through each first HDMI interface and the corresponding second HDMI interface, so that the second display screen displays the corresponding display content, thereby realizing spliced ​​display with the second display screen.

[0114] In actual applications, the first HDMI interface and the second HDMI interface may also be other types of interfaces besides HDMI.

[0115] In one embodiment, the control pins of the second HDMI interface and the control pins of the first processor both have input mode and output mode. The input mode and output mode are respectively used to set the method for transmitting signals. In input mode, the control pins can receive signals from the outside, and in output mode, the control pins can send signals to the outside. It is understood that when the control pins of the first processor are in input mode, it is equivalent to the control pins of the corresponding first HDMI interface being in input mode, and when the control pins of the first processor are in output mode, it is equivalent to the control pins of the corresponding first HDMI interface being in output mode.

[0116] In this way, although the CEC pin is used as the control pin, the CEC protocol does not need to be used. Instead, the input module and output mode are set for the GPIO, which can reduce the CEC-related hardware materials.

[0117] Currently, the first processor controls whether its control pins are in input mode or output mode. A processor installed on the second mainboard of the slave display device can control whether the control pins of the second HDMI interface are in input mode or output mode. Generally, the control pins of the first processor and the control pins of the second HDMI interface are set to input mode by default. When signals need to be transmitted externally, they can be changed to output mode.

[0118] It is understandable that when a slave display device is connected to a master display device, the first display screen can be recorded as the master screen, and each second display screen can be recorded as a slave screen. In this case, the master control module can use the first HDMI interface and the second HDMI interface, as well as the third HDMI interface and the fourth HDMI interface, through the Windows multi-screen mechanism to transmit the screen during the operation of its own operating system to the master display device and each slave display device, so that the master screen and the slave screen respectively display corresponding content, thereby realizing splicing display of each display screen.

[0119] On this basis, FIG1 is a flowchart of a startup control method of a display system provided by an embodiment of the present application. Referring to FIG1 , the startup control method specifically includes steps 110 and 120:

[0120] Step 110: When the first processor receives a startup signal from the first mainboard of the master display device through the serial port, it instructs the main control module to start running, and after configuring the control pins of the first processor connected to the slave display devices to output mode, it outputs a first wake-up signal to each slave display device through the control pins; the second mainboard of the slave display device receives the first wake-up signal through the second HDMI interface, and starts running according to the first wake-up signal, lighting up the second display screen.

[0121] A startup signal is a signal used to instruct a device or module to start operation. A wake-up signal has the same meaning as a startup signal and also indicates the start of operation for a device or module. The difference between a startup signal and a wake-up signal is that the wake-up signal is transmitted between different display devices. That is, the wake-up signal is transmitted via the corresponding control pin, while the wake-up signal is generated by the display device itself based on the startup signal it receives.

[0122] In one embodiment, the wake-up signal is a high-level pulse signal. Among them, in the high-level pulse signal, the duration between any two pulse signals can be set in combination with actual conditions, for example, set to 500ms. In addition, the duration of the pulse signal can also be set in combination with actual conditions, for example, set to 500ms. The continuous transmission duration of the high-level pulse signal or the number of pulse signals can be set in combination with actual conditions, and the embodiment does not limit this. The high-level pulse signal can be considered as a wake-up signal that meets the startup requirements, so that the device or module that receives the high-level pulse signal determines that it needs to start running. At this time, although the CEC pin is used to send the signal, the signal sent is only a high-level pulse signal, and the CEC protocol is not used. The implementation method of the startup signal is not currently limited.

[0123] In one embodiment, the first mainboard can receive a startup signal, meaning that the user can directly start the first mainboard. The first mainboard can receive the startup signal in various ways. For example, the first mainboard can determine receipt of the startup signal upon detecting a key signal triggered by a key switch. The key switch is located on the surface of the main display device and is used to control the startup or shutdown of the first mainboard. The key signal triggered by the user touching the key switch is received by the first mainboard. If the first mainboard is currently in an inactive state and receives a key signal triggered by the key switch, it is determined that the startup signal has been received. The first mainboard can also determine receipt of the startup signal upon detecting a level trigger signal. For example, the first mainboard may be provided with a communication interface (such as a USB interface) for inserting an external device. When an external device is inserted into the communication interface, the voltage level of one or more pins in the communication interface changes. This voltage change generates a level trigger signal (i.e., representing the voltage level change) and is sent to the first mainboard. If the first mainboard is in an inactive state and receives the level trigger signal, it is determined that the startup signal has been received. The first mainboard can also determine receipt of the startup signal upon detecting a serial port wake-up signal. A serial port wake-up signal refers to a signal generated when the first mainboard is woken up via a serial port wake-up method. There is currently no limitation on the serial port type for implementing serial port wake-up. For example, serial port wake-up is implemented using an RS232 serial port. Serial port wake-up is a technical means that has been implemented and will not be described in detail at this time. The first motherboard can also determine that a startup signal has been received when an RTC wake-up signal is detected. Among them, the RTC wake-up signal refers to the signal generated when the first motherboard is started up by waking up through RTC (Real_Time Clock). RTC wake-up is a technical means that has been implemented and will not be described in detail at this time. The first motherboard can also determine that a startup signal has been received when a network wake-up signal is detected. Among them, the network wake-up signal refers to the signal generated when the first motherboard is started up by waking up through network wake-up (Wake On LAN, WOL). Network wake-up is a technical means that has been implemented and will not be described in detail at this time.

[0124] It is understandable that before the first motherboard receives the startup signal, it is in an unstarted state. At this time, most components of the first motherboard are not working, and only a few startup-related components are working to ensure that the startup signal can be received and responded to.

[0125] For example, when the first mainboard receives the startup signal, it responds to the startup signal. At this point, the first mainboard starts running and lights up the first display screen, causing the first display screen to begin displaying an image. Furthermore, the first mainboard also sends the startup signal to the first processor. Currently, the first mainboard sends the startup signal to the first processor via the serial port. In this case, the startup signal sent by the first mainboard to the first processor needs to meet the serial port transmission protocol. For example, under the serial port transmission protocol, the signal format sent is 0xAA 0xBB 0xCC... . Then, the first mainboard can generate a startup signal in the corresponding format and send it to the first processor via the serial port.

[0126] For example, when the first processor receives a startup signal sent by the first mainboard through the serial port, it determines that it needs to start running. At this time, the first processor instructs the main control module to start running, that is, all components in the main control module are started to ensure the normal operation of the main control module, and the main display device can realize the various functions of the main control module.

[0127] When the first processor instructs the master control module to start up, it also needs to instruct each currently connected slave display device to start up. When instructing a slave display device to start up, the first processor first configures each of the first processor's control pins connected to the slave display device to output mode based on the startup signal. After the control pin is changed to output mode, the corresponding control pin on the first HDMI interface also changes to output mode. It is understood that the control pin on the first processor connected to the slave display device can also be understood as a control pin on the first processor connected to a first HDMI interface that is connected to a second HDMI interface of the slave display device. If the first HDMI interface to which the control pin on the first processor is connected is not connected to a slave display device, then the control pin does not need to be configured to output mode. In practical applications, control pins not connected to a slave display device can also be configured to output mode. It should be noted that the method by which the first processor determines the control pin connected to the slave display device is currently not limited. For example, if the first processor determines that the first HDMI interface is connected to a second HDMI interface, then the control pin on the first processor connected to the control pin of the first HDMI interface can be considered to be the control pin connected to the slave display device.

[0128] After the first processor changes the control pin connected to the slave display device to the output mode, it can send a wake-up signal through the control pin so that the slave display device receives the wake-up signal. Currently, the wake-up signal sent out by the first processor is recorded as the first wake-up signal. The first wake-up signal is used to instruct each slave display device connected to the master display device to start running. Exemplarily, after the first processor changes the control pin connected to the slave display device to the output mode, it generates a first wake-up signal (i.e., a high-level pulse signal) that meets the corresponding format. After that, the first wake-up signal can be sent out through the control pin in the output mode.

[0129] At this time, the control pin of the first HDMI interface connected to the control pin in the first processor (in output mode) can receive the first wake-up signal and send the first wake-up signal to the outside, so that the control pin of the second HDMI interface receives the first wake-up signal. It can be understood that the control pin of the second HDMI interface of the slave display device remains in input mode. At this time, the control pin of the second HDMI interface can receive the first wake-up signal, thereby causing the second mainboard of the slave display device to receive the first wake-up signal through the second HDMI interface. Optionally, the second mainboard can determine that the first wake-up signal is received when it is determined that the control pin of the second HDMI interface receives a high-level pulse signal (satisfying the format of the wake-up signal).

[0130] After receiving the first wake-up signal, the second mainboard can start running, that is, start running from the display device, and light up the second display screen to enable the second display screen to display.

[0131] Optionally, after the first processor sends the first wake-up signal, the first processor may change its own control pin to the input mode again.

[0132] Step 120: When a startup signal is received from the second mainboard of the slave display device, the control pin of the second HDMI interface is configured to the output mode, and then a second wake-up signal is sent to the first processor through the control pin of the second HDMI interface; when the first processor receives the second wake-up signal sent from the slave display device through a control pin, the first mainboard is woken up through the serial port, so that the first mainboard lights up the first display screen, and the first processor also instructs the main control module to start running, and after configuring the control pin of the first processor connected to other slave display devices to the output mode, the second wake-up signal is sent to other slave display devices through the control pin in the output mode; the second mainboards of the other slave display devices receive the second wake-up signal through the second HDMI interface, and start running according to the second wake-up signal to light up the second display screen.

[0133] In one embodiment, in addition to the first mainboard of the master display device receiving the startup signal, the second mainboard of the slave display device can also receive the startup signal and instruct the master display device and other slave display devices to start running together, that is, the user can start any slave display device.

[0134] For example, the slave display device currently receiving the start signal may be any slave display device connected to the master display device. In the embodiment, for easy distinction, the slave display device receiving the start signal is recorded as the target slave display device.

[0135] For example, receiving a startup signal from a display device can be considered as receiving a startup signal from a second mainboard in the display device. The second mainboard can receive the startup signal in a variety of ways, such as detecting a key signal triggered by a key switch on the second mainboard, detecting a level trigger signal, detecting a serial port wake-up signal, detecting an RTC wake-up signal, or detecting a network wake-up signal. The specific implementation process can refer to the process of receiving the startup signal by the first mainboard, and is not further described here.

[0136] When the target slave display device receives a startup signal from the second mainboard, it determines that it needs to start running. At this time, the target slave display device starts running and lights up its own second display screen. At the same time, the second mainboard of the target slave display device also changes the control pin of its own second HDMI interface from input mode to output mode. After that, it can send signals to the outside through the control pin in output mode. Currently, the second mainboard sends a wake-up signal based on the control pin in output mode. In an embodiment, the wake-up signal currently sent out by the second mainboard is recorded as the second wake-up signal. At this time, the second wake-up signal can enable the main display device and each other slave display device connected to the main display device to start running.

[0137] For example, after the target display device changes the control pin of the second HDMI interface to the output mode on the second mainboard, a second wake-up signal (i.e., a high-level pulse signal) that meets the corresponding format is generated. After that, the second wake-up signal can be sent out through the control pin in the output mode.

[0138] Optionally, after the target sends the second wake-up signal from the display device, the target may change the control pin of its own second HDMI interface to the input mode again.

[0139] Exemplarily, a control pin of the first processor connected to the target slave display device is in input mode, and the first processor can receive, through the control pin, a second wake-up signal sent by the target slave display device and transmitted through the control pin of the second HDMI interface and the control pin of the first HDMI interface. Optionally, the first processor can determine that the second wake-up signal has been received when it is determined that a control pin has received a high-level pulse signal (satisfying the format of the wake-up signal).

[0140] When the first processor receives the second wake-up signal, it determines that it needs to start running. At this time, the first processor instructs the main control module to start running, that is, all components in the main control module are started to ensure the normal operation of the main control module, and the main display device can realize the various functions of the main control module. At the same time, the first processor also wakes up the first motherboard through the serial port. Among them, the way in which the first processor wakes up the first motherboard is not currently limited. For example, when the first processor is connected to the first motherboard through the RS232 serial port, the first motherboard can be woken up by the RS232 serial port wake-up method. At this time, the first motherboard can receive the serial port wake-up signal (which can also be considered as receiving a start signal), and start running, light up the first display screen, so that the first display screen starts to display the picture. Optionally, when the first processor wakes up the first motherboard, the startup-related signal sent meets the serial port sending protocol.

[0141] When the first processor wakes up the first mainboard, it also instructs other connected slave display devices (except the target slave display device) to start running. At this time, the first processor changes its own control pins connected to other slave display devices (excluding the control pins connected to the target slave display device) from input mode to output mode. In other words, the first processor can determine the control pin that receives the second wake-up signal, and then change the control pins connected to other slave display devices except this control pin from input mode to output mode, and this control pin also remains in input mode. If there is a control pin that is not connected to a slave display device, the input mode of the control pin that is not connected to the slave display device can be maintained. In actual applications, the control pin that is not connected to the slave display device can also be changed to output mode. It can be understood that the control pin in the first HDMI interface connected to the control pin changed to output mode is also in output mode.

[0142] After the first processor changes the control pin connected to the other slave display devices to output mode, it can send a signal outward based on the control pin in output mode. Currently, the first processor sends a second wake-up signal outward based on the control pin in output mode. For relevant content about the first processor sending the second wake-up signal, please refer to the relevant content about the first processor sending the first wake-up signal. It should be noted that the first processor needs to generate a wake-up signal (second wake-up signal) and send it outward, instead of directly forwarding the received wake-up signal (currently the second wake-up signal). The only difference is that the wake-up signal received by the first processor and the wake-up signal sent outward are both used to start the display device in the display system. Therefore, they are all recorded as second wake-up signals in the embodiments.

[0143] The control pins of the second HDMI interfaces of the other slave display devices remain in input mode. At this time, the control pins of the second HDMI interfaces of the other slave display devices can receive the second wake-up signal. For details about other slave display devices receiving the second wake-up signal, refer to the details about receiving the first wake-up signal from the slave display device.

[0144] After receiving the second wake-up signal, the second mainboard of the other slave display device may start running, that is, the other slave display device starts running and lights up its own second display screen so that the second display screen displays.

[0145] In addition, it should be emphasized that step 110 and step 120 correspond to the situation where the main display device and each slave display device are triggered to start when the first mainboard is started, and the situation where the main display device and other slave display devices are triggered to start when a slave display device is started, respectively. There is no relationship between the order of execution. Figure 1 is only an illustrative description of the contents of the two steps, and does not limit the execution order between step 110 and step 120.

[0146] As described above, when the first processor of the master display device receives a startup signal from the first mainboard of the master display device through the serial port, it can instruct the main control module to start running, and configure the control pin connected to the slave display device to the output mode, and send a first wake-up signal to the slave display device through the control pin in the output mode, so that the slave display device starts running through the first wake-up signal and lights up the second display screen, or, when the second mainboard of the slave display device receives a startup signal, configures the control pin of its own second HDMI interface to the output mode, and sends a second wake-up signal to the first processor through the control pin. When the first processor receives the second wake-up signal through a control pin, it wakes up the first mainboard through the serial port, so that the first mainboard starts running The first processor also instructs the master control module to start running and configures the control pins of the first processor connected to other slave display devices to output mode. The first wake-up signal is sent to the other slave display devices through the control pins in output mode, so that the other slave display devices start running and light up the second display screen through the first wake-up signal. This technical means solves the technical problem of the complicated startup process when starting each display device in the splicing display scenario in the related art. There is no need for the user to operate each display device in turn. Moreover, the display device operated by the user can be either a master display device or a slave display device, allowing the user to more flexibly control the startup of each display device, simplifying the startup process and reducing the user's workload and operation time. In addition, the user can select the required number of slave display devices for splicing based on actual conditions, providing a better user experience. In addition, by setting the input mode and output mode, the wake-up can be achieved using a normal I / O method, reducing the hardware and software requirements for the device, and facilitating the widespread application of the startup control method. In addition, the user can start the display device in a variety of ways, which also improves the user experience.

[0147] In one embodiment of the present application, the user can also directly start the main control module, that is, the first processor directly receives the start signal for starting the main control module. In this case, the aforementioned start control method also includes: when the first processor detects the start signal for starting the main control module, it instructs the main control module to start running, and wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen, and the first processor also configures the control pins of the first processor connected to the slave display device to output mode, and then outputs a third wake-up signal to each slave display device through the control pin; the second mainboard of the slave display device receives the third wake-up signal through the second HDMI interface, and starts running according to the third wake-up signal, lighting up the second display screen.

[0148] Exemplarily, the user may start the main control module, that is, the first processor may receive a start signal for starting the main control module. In this case, the first processor considers that the start signal is detected, and the start signal is used to start the main control module.

[0149] In one embodiment, the startup signal for activating the main control module includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level-triggered signal, or a key signal triggered by a key switch on the main control module. The specific implementation process for the first processor to receive various startup signals can be referenced to the specific implementation process for the first motherboard to receive startup signals, and is not further described here.

[0150] When the first processor receives a start signal for starting the main control module, it determines that it needs to start running. At this time, the first processor instructs the main control module to start running, that is, all components in the main control module are started to ensure the normal operation of the main control module, and the main display device can realize the various functions of the main control module.

[0151] When the first processor instructs the main control module to start running, it also needs to instruct the first mainboard and each currently connected slave display device to start running.

[0152] The first processor can wake up the first mainboard via the serial port, and the specific implementation process thereof can refer to the specific implementation process of the first processor waking up the first mainboard via the serial port in step 120. When the first mainboard starts running, the first display screen is turned on.

[0153] When the first processor instructs each slave display device to start operation, it first configures all control pins of the first processor connected to the slave display devices to output mode based on the startup signal. The specific implementation process can refer to the specific implementation process of the first processor configuring all control pins of the first processor connected to the slave display devices to output mode in step 110.

[0154] After the first processor changes the control pin to the output mode, the corresponding control pin in the first HDMI interface is also in the output mode.

[0155] After the first processor changes the control pin connected to the slave display device to output mode, it can send a signal outward based on the control pin in output mode. Currently, the first processor sends a wake-up signal outward based on the control pin in output mode. In an embodiment, the wake-up signal currently sent outward by the first processor is recorded as the third wake-up signal. At this time, the third wake-up signal is used to instruct each slave display device connected to the master display device to start running. Exemplarily, after the first processor changes the control pin connected to the slave display device to output mode, it generates a third wake-up signal (i.e., a high-level pulse signal) that meets the corresponding format. After that, the third wake-up signal can be sent outward through the control pin in output mode.

[0156] The second mainboard of each slave display device may receive the third wake-up signal. The specific implementation process thereof may refer to the specific implementation process of each second mainboard receiving the first wake-up signal in step 110 .

[0157] After receiving the third wake-up signal, the second mainboard can start running, that is, start running from the display device, and light up the second display screen to enable the second display screen to display.

[0158] As mentioned above, the first processor can also directly receive the startup signal for starting the main control module and instruct the main control module to start running. At the same time, the first processor can also wake up the first mainboard and instruct each slave display device to start, that is, only one startup is needed to start both the main display device and the slave display device for splicing display. There is no need for the user to operate each display device in turn, which simplifies the startup process and reduces the user's workload and operation time. In addition, by setting the input mode and output mode, the wake-up method can be achieved using the ordinary I / O method, which reduces the hardware and software requirements for the device and facilitates the widespread application of the startup control method. In addition, the user can start the main control module in a variety of ways, which also improves the user experience.

[0159] In one embodiment of the present application, after the main display device and the slave display device are started, the second processor in the main control module can also realize the splicing display of the first display screen and each second display screen. At this time, the main control module also includes a second processor and a third HDMI interface. The second processor is connected to the second HDMI interface on each second main board through each first HDMI interface. The first main board also includes a fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. The second processor realizes connection with the first display screen after connecting to the fourth HDMI interface through the third HDMI interface. Each interface and the connection relationship have been described in the above content and will not be repeated here. On this basis, the startup control method also includes: the second processor generates a first display signal of the main display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen through the third HDMI interface, and sends the second display signal to the slave display device through each first HDMI interface; the first display screen of the main display device displays the first display signal received through the fourth HDMI interface; the second display screen of the slave display device displays the second display signal received through the second HDMI interface.

[0160] Exemplarily, a display signal refers to a signal for display by a display device, which includes the screen content to be displayed. Currently, the display signal for display by the master display device is recorded as the first display signal, and the display signal for display by the slave display device is recorded as the second display signal. The screen content to be displayed by the first display signal and each second display signal can be different or the same.

[0161] Currently, after the first processor instructs the main control module to start running, the second processor starts working. During the operation, when the second processor determines that the splicing display is currently being performed, it can determine the picture content that needs to be displayed on the first display screen and each second display screen through the Windows multi-screen mechanism, and then obtain the corresponding display signal. For example, three slave display devices and a master display device are spliced ​​for display, and the resolution of the display screens used by each display device is the same. At this time, the second processor can divide the picture content to be displayed into four parts according to the relative position relationship of each display screen to obtain the picture content corresponding to each display screen, and then obtain the display signal corresponding to each display device.

[0162] Afterwards, the second processor can send the first display signal to the first mainboard through the third HDMI interface and the fourth HDMI interface. At this time, since the fourth HDMI interface is connected to the first display screen, it can also be considered to be sent to the first display screen, so that the first display screen receives the first display signal. At this time, the first display screen can display the first display signal, that is, the first display screen displays the corresponding screen content. In addition, the second processor can also send each second display signal to the corresponding slave display device through each first HDMI interface and the corresponding second HDMI interface. After receiving the second display signal from the second mainboard of the slave display device, the second display signal is displayed on the second display screen. Among them, the way in which the second processor determines the slave display device to which each second display signal should correspond is not currently limited.

[0163] As mentioned above, after the master display device and each slave display device light up their respective display screens, the second processor of the main control module can determine the display signals corresponding to the master display device and each slave display device, and send the corresponding display signals through the corresponding HDMI interface, thereby realizing the splicing display of the master display device and each slave display device.

[0164] It should be noted that, in addition to the startup scenario, the inventive concepts of the aforementioned startup control methods are also applicable to the shutdown scenario. At this time, the startup signal and the wake-up signal are both changed into signals for indicating shutdown, and the first main board, the second main board and the main control module all perform the shutdown action.

[0165] In one embodiment of the present application, a display system is further provided. FIG2 is a schematic diagram of the structure of a display system provided in one embodiment of the present application. Referring to FIG2 , the display system includes a master display device 21 and at least one slave display device 22. FIG2 takes two slave display devices 22 as an example. The master display device 21 includes a first mainboard 211, a first display screen 212, and a main control module 213. The main control module 213 includes a first processor 2131 and at least one first HDMI interface 2132. FIG2 takes two first HDMI interfaces 2132 as an example. The first processor 2131 is connected to the first mainboard 211 via a serial port, and the first mainboard 211 is connected to the first display screen 212.

[0166] Each slave display device 22 includes a second mainboard 221 and a second display screen 222. The second mainboard 221 is connected to the second display screen 222. A second HDMI interface 2211 is provided on the second mainboard 221. Each second HDMI interface 2211 is connected to a first HDMI interface 2132. The control pin of each first HDMI interface 2132 is connected to a corresponding control pin of the first processor 2131. The control pin of the second HDMI interface 2211 and the control pin of the first processor 2131 are both configured as input mode.

[0167] Among them, the first processor 2131 is used to instruct the main control module 213 to start running when receiving a start signal sent by the first mainboard 211 of the main display device 21 through the serial port, and after configuring the control pins of the first processor 2131 connected to the slave display device 22 to output mode, output the first wake-up signal to each slave display device 22 through the control pin; the second mainboard 221 of the slave display device 22 is used to receive the first wake-up signal through the second HDMI interface 2211, and start running according to the first wake-up signal to light up the second display screen 222.

[0168] The second mainboard 221 of the slave display device 22 is also used to, upon receiving a start signal, configure the control pin of the second HDMI interface 2211 to the output mode, and then send a second wake-up signal to the first processor 2131 through the control pin of the second HDMI interface 2211; the first processor 2131 is also used to, upon receiving a second wake-up signal sent from the slave display device 22 through a control pin, wake up the first mainboard 211 through the serial port, so that the first mainboard 211 lights up the first display screen 212, and is also used to instruct the main control module 213 to start running, and after configuring the control pin of the first processor 2131 connected to other slave display devices 22 to the output mode, send a second wake-up signal to other slave display devices 22 through the control pin in the output mode, so that the second mainboards 221 of other slave display devices 22 receive the second wake-up signal through the second HDMI interface 2211 and start running according to the second wake-up signal to light up the second display screen 222.

[0169] In one embodiment of the present application, the first processor 2131 is also used to instruct the main control module 213 to start running when detecting a start signal for starting the main control module 213, and wake up the first mainboard 211 through the serial port, so that the first mainboard 211 lights up the first display screen 212. It is also used to configure the control pins of the first processor 2131 connected to the slave display device 22 to output mode, and then output a third wake-up signal to each slave display device 22 through the control pin; the second mainboard 221 of the slave display device 22 is also used to receive the third wake-up signal through the second HDMI interface 2211, and start running according to the third wake-up signal to light up the second display screen 222.

[0170] In one embodiment of the present application, referring to Figure 2, the main control module 213 also includes a second processor 2133 and a third HDMI interface 2134. The second processor 2133 is connected to the second HDMI interface 2211 on each second mainboard 221 through each first HDMI interface 2132. The first mainboard 211 also includes a fourth HDMI interface 2111. The fourth HDMI interface 2111 is connected to the first display screen 212. The second processor 2133 is connected to the fourth HDMI interface 2111 through the third HDMI interface 2134 to achieve connection with the first display screen 212.

[0171] The second processor 2133 is used to generate a first display signal for the main display device 21 and a second display signal corresponding to each slave display device 22, and send the first display signal to the first display screen 212 through the third HDMI interface 2134, and send the second display signal to the slave display device 22 through each first HDMI interface 2132; the first display screen 212 of the main display device 21 is used to display the first display signal received through the fourth HDMI interface 2111; the second display screen 222 of the slave display device 22 is used to display the second display signal received through the second HDMI interface 2211.

[0172] In one embodiment of the present application, the main control module 213 is a pluggable detection module, and the pluggable detection module is electrically connected to the first mainboard 211 .

[0173] In one embodiment of the present application, the start-up signal for starting the main control module 213 includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level trigger signal, or a key signal triggered by a key switch on the main control module 213 .

[0174] The above-mentioned display system can execute the corresponding display system startup control method in the above-mentioned embodiment, and has corresponding functions and beneficial effects.

[0175] In one embodiment of the present application, a startup control method for a display system is also provided. In a spliced ​​display scenario, when one display device is turned on, the startup control method can control all display devices to be turned on together by sending a wake-up signal to other display devices in the spliced ​​display, thereby effectively simplifying the startup process.

[0176] The startup control method provided in the embodiment of the present application is applicable to a display system, which includes a master display device and at least one slave display device, the master display device includes a first mainboard, a first display screen and a main control module, the main control module includes a first processor and at least one first HDMI interface, the first processor is connected to the first mainboard via a serial port, and the first mainboard is connected to the first display screen; each slave display device includes a second mainboard and a second display screen, the second mainboard is connected to the second display screen, a second HDMI interface is provided on the second mainboard, each second HDMI interface is connected to a first HDMI interface, and the control pin of each first HDMI interface is connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor are both configured as input mode.

[0177] In one embodiment, the main control module also includes a second processor and a third HDMI interface. The second processor is connected to the second HDMI interface on each second main board through each first HDMI interface. The first main board also includes a fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. The second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display screen.

[0178] For the description of the display system, reference may be made to the description of the display system in the aforementioned embodiments, which will not be elaborated upon herein.

[0179] FIG3 is a flow chart of a startup control method for a display system provided by one embodiment of the present application. Referring to FIG3 , the startup control method specifically includes steps 310 to 330:

[0180] Step 310: When the first processor detects the start signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to an output mode.

[0181] The start signal is a signal used to instruct the corresponding device or module to start operation.

[0182] In one embodiment, the first processor detects the start signal. In an optional manner, the user can directly control the start of the active module (including turning on the power or ending sleep). In this case, the first processor directly receives the start signal for starting the main control module, and upon receiving the start signal, determines that the start signal is detected. In another optional manner, the user can directly control the start of the first mainboard, that is, the first mainboard directly receives the start signal for starting the first mainboard, and sends the start signal to the first processor through the serial port, so that the first processor detects the start signal. In another optional manner, the user can directly control the start of any slave display device (currently mainly controlling the start of the second mainboard of the slave display device), that is, the second mainboard of any slave display device directly receives the start signal for starting. In this case, the second mainboard generates a wake-up signal based on the start signal, and then the second mainboard sends the wake-up signal to the first processor. When the first processor receives the wake-up signal sent from the display device, it determines that the start signal is detected. Among them, the wake-up signal has the same meaning as the start signal, and also refers to the signal used to instruct the corresponding device or module to start and run. The difference between a start signal and a wake-up signal is that the wake-up signal is transmitted between different display devices. That is, the wake-up signal is transmitted by the corresponding control pin, while the wake-up signal is generated by the display device based on the received start signal. The wake-up signal is a high-level pulse signal. For a description of the high-level pulse signal, refer to the description of the high-level pulse signal in the previous embodiment.

[0183] It can be understood that before the startup signal is detected, the main control module is in a non-started (also understandable as non-running) state. At this time, most of the components of the main control module are not working, and only a few startup-related components are working at low power (such as the first processor is working) to ensure that the startup signal can be detected.

[0184] When the first processor detects the startup signal, it determines that the main control module needs to be started. At this time, the first processor sends an instruction to the startup-related components in the main control module (such as the second processor) to control the main control module to start and run, and the main display device can realize the various functions of the main control module.

[0185] In one embodiment, the first processor further controls, based on the startup signal, a slave display device that is in an inactive state to also start operating. When instructing a slave display device to start operating, the first processor first changes a control pin connected to the corresponding slave display device in the first processor from an input mode to an output mode. The corresponding slave display device can be understood as a slave display device that is in an inactive state.

[0186] For example, each control pin of the first processor is in input mode by default. At this time, the first processor can only receive signals from the outside through the control pins. When the first processor detects the start signal, it changes the control pins in input mode to output mode to send a wake-up signal to the outside. In an optional manner, the first processor changes the control pins connected to the slave display device to output mode. At this time, if only some of the control pins in the first processor are connected to the slave display device, then the first processor can change these control pins from input mode to output mode. The remaining control pins can remain in input mode or be changed to output mode. The embodiment does not limit this. The way the first processor detects whether the control pins are connected to the slave display device can adopt an existing detection method, which is not described separately at present. After the control pins are changed to output mode, the corresponding control pins in the first HDMI interface are also in output mode.

[0187] It should be noted that if the start signal detected by the first processor is a wake-up signal sent through a certain control pin (ie, generated and sent by the corresponding slave display device), then the control pin is kept in input mode without changing to output mode.

[0188] It is understandable that in actual applications, there may not be a control pin that needs to be changed to output mode. For example, the first processor has only one control pin connected to the slave display device, and the slave display device sends a wake-up signal to the first processor. At this time, the first processor determines that there is no control pin that can change the state. Then, the first processor can maintain the input mode of the control pin and instruct the main control module to start running.

[0189] Step 320: The first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in the output mode.

[0190] After the first processor changes the control pin connected to the corresponding slave display device to output mode, it can then send a signal based on the control pin in output mode. Currently, the first processor sends a wake-up signal based on the control pin in output mode. In this embodiment, the wake-up signal currently sent by the first processor is recorded as a fourth wake-up signal. The fourth wake-up signal can cause the slave display device to start operating.

[0191] For example, after the first processor determines that the control pin is in output mode, it generates a high-level pulse signal, which can be considered the fourth wake-up signal. The first processor then transmits the fourth wake-up signal through the control pin. At this time, the control pin of the first HDMI interface can receive the fourth wake-up signal and transmit it externally. Correspondingly, the second mainboard of the slave display device can receive the fourth wake-up signal through the control pin of the second HDMI interface.

[0192] Step 330: The second mainboard of the slave display device receives a fourth wake-up signal through the second HDMI interface in input mode, and starts operation according to the fourth wake-up signal to light up the second display screen.

[0193] The slave display device is in an unactivated state, and the control pin of the second HDMI interface is in input mode by default. In this case, the second mainboard of the slave display device can receive a fourth wake-up signal via the control pin of the second HDMI interface and start operation based on the fourth wake-up signal. It should be noted that the second HDMI interface being in input mode can be understood as the control pin of the second HDMI interface being in input mode.

[0194] Optionally, when the second mainboard receives a signal through the control pin of the second HDMI interface, it is also necessary to identify the signal. When the signal is identified as a high-level pulse signal (satisfying the format of the wake-up signal), it is determined that a fourth wake-up signal has been received and operation is started. When the operation is started, the second mainboard also lights up the second display screen so that the second display screen displays.

[0195] It is understandable that after the second mainboard starts running based on the fourth wake-up signal sent by the first processor, there is no need to send the fourth wake-up signal to the outside.

[0196] After the slave display devices start running, the second processor of the main control module can determine the display signals corresponding to the slave display devices and send the display signals to the slave display devices so that the slave display devices can display.

[0197] It is understood that if the startup signal detected by the first processor is not sent by the first motherboard, the first processor needs to wake up the first motherboard through the serial port to start the first motherboard and illuminate the first display. After that, the second processor can determine the display signal of the main display device and display it on the first display.

[0198] It should be noted that, in addition to the startup scenario, the inventive concept of the startup control method is also applicable to the shutdown scenario. At this time, the startup signal and the wake-up signal are both changed into signals for indicating shutdown, and the first main board, the second main board and the main control module all perform the shutdown action.

[0199] In the above, when the first processor of the master display device detects the startup signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to output mode. After that, the first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in output mode. When the second mainboard of the slave display device receives the fourth wake-up signal through the control pin of the second HDMI interface in input mode, it starts running and lights up the second display screen. This technical means solves the technical problem of the complicated startup process when starting each display device in the splicing display scenario in the related art. When the first processor detects the startup signal, it starts running and sends the fourth wake-up signal to each slave display device that has not been started, so that each slave display device can also start running based on the fourth wake-up signal. In this way, in the splicing display scenario, there is no need for the user to operate each display device to start, and each display device can be quickly started, simplifying the startup process and reducing the user's workload and operation time. In addition, the user can select the required number of slave display devices for splicing based on actual conditions, providing a better user experience. In addition, by setting the input mode and output mode, the wake-up can be achieved using a normal I / O method, reducing the hardware and software requirements for the device, and facilitating the wide application of the startup control method.

[0200] On this basis, in one embodiment of the present application, the start signal detected by the first processor can be sent by the first mainboard. In this case, FIG4 is a flow chart of a start control method for a display system provided by one embodiment of the present application. The start control method shown in FIG4 is based on the start control method shown in FIG3 and exemplifies a scenario in which the start signal is sent by the first mainboard. In addition, after both the master display device and the slave display device are started, the second processor of the main control module also generates display signals for the master display device and the slave display device, and enables the first display screen and each second display screen to display respectively. In this case, the main control module also includes a second processor and a third HDMI interface. The second processor is connected to the second HDMI interface on each second mainboard through each first HDMI interface. The first mainboard also includes a fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. The second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display screen.

[0201] 4 , the startup control method includes steps 410 to 460:

[0202] Step 410: When the first processor receives the startup signal from the first mainboard through the serial port, it instructs the main control module to start running and changes each control pin connected to the slave display device from input mode to output mode.

[0203] Currently, the first mainboard can receive a startup signal. The first mainboard can receive the startup signal by detecting a key signal triggered by a key switch on the first mainboard, detecting a level trigger signal, detecting a serial port wake-up signal, detecting an RTC wake-up signal, or detecting a network wake-up signal. For a specific implementation process, refer to the implementation process of the first mainboard receiving the startup signal in step 110.

[0204] Before the first mainboard receives the startup signal, it is in an unstarted state. At this time, most components of the first mainboard are not working, and only a few startup-related components are working to ensure that the startup signal can be received and responded to.

[0205] Exemplarily, when the first mainboard receives the startup signal, it responds to the startup signal. At this point, the first mainboard starts running and lights up the first display screen, causing the first display screen to begin displaying an image. Furthermore, the first mainboard also sends the startup signal to the first processor. Currently, the first mainboard sends the startup signal to the first processor via the serial port. At this point, the startup signal sent by the first mainboard to the first processor needs to meet the serial port transmission protocol. For example, under the serial port transmission protocol, the signal format sent is 0xAA 0xBB 0xCC... . Then, the first mainboard can generate a startup signal in the corresponding format and send it to the first processor via the serial port.

[0206] When the first processor receives the startup signal sent by the first mainboard through the serial port, it determines that startup is required. At this time, the first processor instructs the main control module to start and change each control pin connected to the slave display device from input mode to output mode.

[0207] Step 420: The first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in the output mode.

[0208] At this time, the second mainboard of each slave display device connected to the master display device can receive the fourth wake-up signal.

[0209] Step 430: The second mainboard of the slave display device receives a fourth wake-up signal through the second HDMI interface in input mode, and starts operation according to the fourth wake-up signal to light up the second display screen.

[0210] Step 440: The second processor generates a first display signal for the master display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen via the third HDMI interface, and sends the second display signal to the slave display devices via each first HDMI interface. Execute steps 450 and 460.

[0211] Exemplarily, a display signal refers to a signal for display by a display device, which includes the screen content to be displayed. Currently, the display signal for display by the master display device is recorded as the first display signal, and the display signal for display by the slave display device is recorded as the second display signal. The screen content to be displayed by the first display signal and each second display signal can be different or the same.

[0212] Currently, after the first processor instructs the main control module to start running, the second processor starts working. During the operation, when the second processor determines that the splicing display is currently being performed, it can determine the picture content that needs to be displayed on the first display screen and each second display screen through the Windows multi-screen mechanism, and then obtain the corresponding display signal. For example, three slave display devices and a master display device are spliced ​​for display, and the resolution of the display screens used by each display device is the same. At this time, the second processor can divide the picture content to be displayed into four parts according to the relative position relationship of each display screen to obtain the picture content corresponding to each display screen, and then obtain the display signal corresponding to each display device.

[0213] Afterwards, the second processor can send the first display signal to the first mainboard via the third and fourth HDMI interfaces. At this time, since the fourth HDMI interface is connected to the first display screen, it can also be considered to be sent to the first display screen, so that the first display device receives the first display signal. In addition, the second processor can also send each second display signal to the corresponding slave display device via each first HDMI interface and the corresponding second HDMI interface. The method by which the second processor determines the slave display device to which each second display signal should correspond is currently not limited.

[0214] Step 450: The first display screen of the main display device displays the first display signal received through the fourth HDMI interface.

[0215] At this time, the first display screen can display the first display signal, that is, the first display screen displays the corresponding picture content.

[0216] Step 460: Display the second display signal received through the second HDMI interface on the second display screen of the display device.

[0217] At this time, after receiving the second display signal from the second mainboard of the display device, the second display signal is displayed on the second display screen.

[0218] After the first display screen and each second display screen display the corresponding display signals, a spliced ​​display of the display system is realized.

[0219] The execution order of step 450 and step 460 is not currently limited.

[0220] For technical details not described in this embodiment, reference may be made to the relevant descriptions of the aforementioned embodiments.

[0221] In the above-mentioned embodiment, when the first processor receives the startup signal sent by the first mainboard through the serial port, it instructs the main control module to start running and changes each control pin connected to the slave display device from input mode to output mode. Afterwards, the fourth wake-up signal is sent to the corresponding slave display device through the control pin in output mode. When the second mainboard of the slave display device receives the fourth wake-up signal, it starts running and lights up the second display screen. Afterwards, the second processor sends the first display signal to the main display device for display on the first display screen, and sends each second display signal to the corresponding slave display device for display on the second display screen. This technical means solves the technical problem of the complicated startup process when starting each display device in the spliced ​​display scenario in the related art. When the first mainboard in the main display device receives the startup signal, it can also send a startup signal to the first processor to instruct the main control module to start. When the main control module starts, the first processor can also send a fourth wake-up signal to each slave display device to instruct each slave display device to start. In this way, the display system only needs to receive the startup instruction once to complete the startup of each display device, thereby achieving rapid startup of each display device and simplifying the startup process. Furthermore, by properly changing the input and output modes of the control pins, wakeup can be achieved using standard I / O methods, reducing hardware and software requirements for the device and facilitating widespread application of the startup control method. Furthermore, after the master display device and each slave display device illuminate their respective displays, the second processor of the master control module can determine the corresponding display signals of the master display device and each slave display device and transmit the corresponding display signals through the corresponding HDMI interfaces, thereby achieving a spliced ​​display of the master display device and each slave display device.

[0222] On this basis, in one embodiment of the present application, the start signal detected by the first processor can be received by the main control module on its own, that is, the user directly starts the main control module. At this time, Figure 5 is a flow chart of a start control method for a display system provided by one embodiment of the present application. The start control method shown in Figure 5 is based on the start control method shown in Figure 3 and exemplifies the scenario in which the start signal is received by the main control module on its own. In addition, after the master display device and the slave display device are both started, the second processor of the main control module also generates display signals for the master display device and the slave display device, and enables the first display screen and each second display screen to display respectively. At this time, the main control module also includes a second processor and a third HDMI interface. The second processor is connected to the second HDMI interface on each second main board through each first HDMI interface. The first main board also includes a fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. The second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display screen.

[0223] 5 , the startup control method includes steps 510 to 560:

[0224] Step 510: When the first processor detects the startup signal for starting the main control module, it instructs the main control module to start running and changes each control pin connected to the slave display device from input mode to output mode. The first processor also wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen.

[0225] Exemplarily, the user may start the main control module, that is, the first processor may receive a start signal for starting the main control module. In this case, the first processor considers that the start signal is detected, and the start signal is used to start the main control module.

[0226] In one embodiment, the startup signal for activating the main control module includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level-triggered signal, or a key signal triggered by a key switch on the main control module. The specific implementation process for the first processor to receive various startup signals can be referenced to the specific implementation process for the first motherboard to receive startup signals, and is not further described here.

[0227] When the first processor receives a start signal for starting the main control module, it determines that it needs to start running. At this time, the first processor instructs the main control module to start running, that is, all components in the main control module are started to ensure the normal operation of the main control module, and the main display device can realize the various functions of the main control module.

[0228] When the first processor instructs the main control module to start running, it also needs to instruct the first mainboard and each currently connected slave display device to start running.

[0229] The first processor can wake up the first mainboard via the serial port, and the specific implementation process thereof can refer to the specific implementation process of the first processor waking up the first mainboard via the serial port in step 120. When the first mainboard starts running, the first display screen is turned on.

[0230] When the first processor instructs each slave display device to start operation, it first changes each control pin connected to the slave display device from an input mode to an output mode based on a start signal.

[0231] Step 520: The first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in the output mode.

[0232] Step 530: The second mainboard of the slave display device receives a fourth wake-up signal through the second HDMI interface in input mode, and starts operation according to the fourth wake-up signal to light up the second display screen.

[0233] In step 540, the second processor generates a first display signal for the master display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen via the third HDMI interface, and sends the second display signal to the slave display devices via each first HDMI interface. Execute steps 550 and 560.

[0234] For this step, please refer to the relevant description of step 440.

[0235] Step 550: The first display screen of the main display device displays the first display signal received through the fourth HDMI interface.

[0236] For this step, please refer to the relevant description of step 450.

[0237] Step 560: Display the second display signal received through the second HDMI interface on the second display screen of the display device.

[0238] For this step, please refer to the relevant description of step 460.

[0239] The execution order of step 550 and step 560 is not currently limited.

[0240] For technical details not described in this embodiment, reference may be made to the relevant descriptions of the aforementioned embodiments.

[0241] In the above-mentioned technical solution, when the first processor detects the startup signal for starting the master control module, it instructs the master control module to start and run, wakes up the first mainboard through the serial port to illuminate the first display screen, and changes each control pin connected to the slave display device from input mode to output mode. Thereafter, a fourth wake-up signal is sent to the corresponding slave display device via the control pin in output mode. When the second mainboard of the slave display device receives the fourth wake-up signal, it starts and runs and illuminates the second display screen. Thereafter, the second processor sends the first display signal to the master display device for display on the first display screen, and sends each second display signal to the corresponding slave display device for display on the second display screen. This technical solution solves the technical problem of the complicated startup process when starting each display device in a spliced ​​display scenario in the related art. When the first processor in the master display device receives the startup signal for starting the master control module, it starts the master control module and wakes up the first mainboard to start. In addition, it can also send a fourth wake-up signal to each slave display device to instruct each slave display device to start. In this way, the display system only needs to receive the startup instruction once to complete the startup of each display device, achieving rapid startup of the display system and simplifying the startup process. Furthermore, by properly changing the input and output modes of the control pins, wakeup can be achieved using standard I / O methods, reducing hardware and software requirements for the device and facilitating widespread application of the startup control method. Furthermore, after the master display device and each slave display device illuminate their respective displays, the second processor of the master control module can determine the corresponding display signals of the master display device and each slave display device and transmit the corresponding display signals through the corresponding HDMI interfaces, thereby achieving a spliced ​​display of the master display device and each slave display device.

[0242] On this basis, in one embodiment of the present application, the start signal detected by the first processor can be obtained based on the wake-up signal sent by any slave display device, that is, the user can directly start any slave display device. At this time, Figure 6 is a flow chart of a start-up control method for a display system provided by one embodiment of the present application. The start-up control method shown in Figure 6 is based on the start-up control method shown in Figure 3, and exemplifies the scenario in which the start signal is detected by the wake-up signal sent by the slave display device. In addition, after the master display device and the slave display device are both started, the second processor of the main control module also generates display signals for the master display device and the slave display device, and enables the first display screen and each second display screen to display respectively. At this time, the main control module also includes a second processor and a third HDMI interface. The second processor is connected to the second HDMI interface on each second main board through each first HDMI interface. The first main board also includes a fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. The second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display screen.

[0243] 6 , the startup control method includes steps 610 to 680:

[0244] Step 610: When the target receives a startup signal from the second mainboard of the display device, it starts running, lights up the second display screen, and configures the control pin of the second HDMI interface to an output mode.

[0245] In one embodiment, the second mainboard of the slave display device can also receive the startup signal and instruct the master display device and other slave display devices to start up and operate together, that is, the user can start up any slave display device. In this embodiment, for easy identification, the slave display device that receives the startup signal is recorded as the target slave display device.

[0246] For example, receiving a startup signal from a display device can be considered as receiving a startup signal from a second mainboard in the display device. The second mainboard can receive the startup signal in a variety of ways, such as detecting a key signal triggered by a key switch on the second mainboard, detecting a level trigger signal, detecting a serial port wake-up signal, detecting an RTC wake-up signal, or detecting a network wake-up signal. The specific implementation process can refer to the process of receiving the startup signal by the first mainboard, and is not further described here.

[0247] When the target receives the startup signal from the display device's second mainboard, it determines that it needs to start operating. At this point, the target starts operating from the display device and lights up its second display screen. Simultaneously, the target changes the control pins of its second HDMI interface from input mode to output mode. Afterwards, the target can send signals through the output-mode control pins.

[0248] Step 620: The target sends a fifth wake-up signal to the first processor via the control pin of the second HDMI interface from the second mainboard of the display device.

[0249] Currently, the second mainboard sends a wake-up signal based on the control pin in the output mode. In the embodiment, the wake-up signal currently sent out by the second mainboard of the target display device is recorded as the fifth wake-up signal.

[0250] The target generates a fifth wake-up signal (i.e., a high-level pulse signal) that meets the corresponding format from the display device, and then sends the fifth wake-up signal outward through the control pin in its own second HDMI interface so that the connected first processor receives the fifth wake-up signal through the corresponding control pin.

[0251] Optionally, after the target sends a wake-up signal from the display device, the control pin of its own second HDMI interface can be changed to input mode again.

[0252] Step 630: When the first processor receives the fifth wake-up signal sent by the target slave display device through a control pin, it determines that a start signal is detected, instructs the main control module to start running, and configures the control pin of the first processor connected to other slave display devices to output mode. The first processor also wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen.

[0253] Exemplarily, when the target slave display device sends a fifth wake-up signal via the control pin of its second HDMI interface, the corresponding control pin of the first HDMI interface can transmit the fifth wake-up signal, thereby causing the first processor to receive the fifth wake-up signal via its corresponding control pin. The first processor can determine that the fifth wake-up signal has been received when it determines that a high-level pulse signal that meets the startup requirements has been received via one of the control pins. At this point, the first processor determines that a startup signal has been detected and regards the fifth wake-up signal as the currently detected startup signal.

[0254] When the first processor detects the startup signal and determines that startup is necessary, it instructs the main control module to start up. This means that all components in the main control module are activated to ensure normal operation of the main control module, allowing the main display device to implement all functions of the main control module. Simultaneously, the first processor wakes up the first mainboard via the serial port, causing the first mainboard to start up and illuminate the first display.

[0255] When the first processor wakes up the first mainboard, it also instructs other slave display devices (except the target slave display device) to start running. At this time, the first processor changes its own control pins connected to other slave display devices (excluding the control pins connected to the target slave display device) from input mode to output mode. In other words, the first processor can determine the control pin that receives the fifth wake-up signal, and then change the control pins connected to other slave display devices except this control pin from input mode to output mode, and this control pin also remains in input mode. If there is a control pin that is not connected to a slave display device, the input mode of the control pin that is not connected to the slave display device can be maintained. In actual applications, the control pin that is not connected to the slave display device can also be changed to output mode. It can be understood that the control pin in the first HDMI interface connected to the control pin changed to output mode is also in output mode.

[0256] Step 640: The first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in the output mode.

[0257] The slave display device here refers to other slave display devices except the target slave display device.

[0258] Step 650: The second mainboard of the slave display device receives a fourth wake-up signal through the second HDMI interface in input mode, and starts operation according to the fourth wake-up signal to light up the second display screen.

[0259] The slave display device here refers to other slave display devices except the target slave display device.

[0260] Step 660: The second processor generates a first display signal for the master display device and a second display signal corresponding to each slave display device. The second processor sends the first display signal to the first display screen via the third HDMI interface and sends the second display signal to the slave display devices via each first HDMI interface. Execute steps 670 and 680.

[0261] For this step, please refer to the relevant description of step 440.

[0262] Step 670: The first display screen of the main display device displays the first display signal received through the fourth HDMI interface.

[0263] For this step, please refer to the relevant description of step 450.

[0264] Step 680: Display the second display signal received through the second HDMI interface on the second display screen of the display device.

[0265] For this step, please refer to the relevant description of step 460.

[0266] The execution order of step 670 and step 680 is not currently limited.

[0267] For technical details not described in this embodiment, reference may be made to the relevant descriptions of the aforementioned embodiments.

[0268] In the above, the target starts running after receiving the startup signal from the second mainboard of the slave display device, lights up the second display screen, and the target slave display device configures the control pin of its own second HDMI interface to output mode, and then sends the fifth wake-up signal to the first processor through the control pin. After the first processor receives the fifth wake-up signal, it determines that the startup signal is detected. At this time, the first processor instructs the main control module to start running and wakes up the first mainboard through the serial port to light up the first display screen, and the first processor also changes each control pin connected to other slave display devices from input mode to output mode, and then sends the fourth wake-up signal to the corresponding slave display device through the control pin in output mode. When the second mainboard of the slave display device receives the fourth wake-up signal, it starts running and lights up the second display screen, and then, The second processor sends the first display signal to the master display device for display on the first display screen, and sends each second display signal to the corresponding slave display device for display on the second display screen. This technical means solves the technical problem of the complicated startup process when starting each display device in the spliced ​​display scenario in the related art. When any slave display device receives the startup signal, it can also send a fifth wake-up signal to the first processor at the same time as it starts up, so that the main control module starts running. In addition, the first processor also wakes up the first motherboard to instruct the first motherboard to start, and sends a fourth wake-up signal to other slave display devices to instruct other slave display devices to start. In this way, the display system only needs to receive a startup instruction once to complete the startup of each display device, realizing rapid startup of the display system and simplifying the startup process. In addition, by reasonably changing the input mode and output mode of the control pin, wake-up can be achieved using a normal I / O method, reducing the hardware and software requirements for the device, and facilitating the widespread application of the startup control method. Moreover, after the master display device and each slave display device light up their respective display screens, the second processor of the main control module can determine the display signals corresponding to the master display device and each slave display device, and send the corresponding display signals through the corresponding HDMI interface, thereby realizing the splicing display of the master display device and each slave display device.

[0269] The following is an exemplary description of the startup control method in the aforementioned embodiments. In this example, three slave display devices and a master display device form a four-piece display system. In this case, the structural diagram of the display system can refer to Figure 7. In this example, the first HDMI interface is recorded as HDMI OUT1, the second HDMI interface is recorded as HDMI IN1, the third HDMI interface is recorded as HDMI OUT2, and the fourth HDMI interface is recorded as HDMI IN2. The first processor is the MCU and the second processor is the CPU. The CEC pin of each HDMI OUT1 is connected to the corresponding control pin on the MCU, and each HDMI OUT1 and HDMI OUT2 are connected to the CPU. The first mainboard 711 and the MCU in the master display device 71 are also connected via a serial interface.

[0270] Based on the structure shown in FIG7 , when the first mainboard receives a startup signal from the user, a schematic diagram of the signal transmission between the first mainboard, the first processor, and each slave display device (which can also be considered a second mainboard of a slave display device) can be seen in FIG8 . As shown in FIG8 , the user can use key wake-up (corresponding to a key signal), insert wake-up (corresponding to a level trigger signal), WOL (corresponding to a network wake-up signal), RTC wake-up (corresponding to an RTC wake-up signal), or RS232 wake-up (corresponding to a serial port wake-up signal) to cause the first mainboard 711 to receive the startup signal. At this point, the first mainboard 711 starts running, illuminates the first display 713, and sends a startup signal to the MCU based on the serial port transmission protocol. The MCU receives the startup signal, starts running, and outputs a high-level pulse signal (i.e., a wake-up signal) to each slave display device. Upon receiving the high-level pulse signal, each slave display device 72 starts running. At this point, the second mainboard 721 of each slave display device 72 starts running and illuminates the second display 722.

[0271] Based on the structure shown in Figure 7, when the first processor receives a startup signal for activating the master control module, a schematic diagram of signal transmission between the first mainboard, the first processor, and each slave display device (which can also be considered a second mainboard of a slave display device) can be seen in Figure 9. As shown in Figure 9, the user can use key wake-up, insert wake-up, WOL, RTC wake-up, or RS232 wake-up methods to cause the MCU to receive the startup signal. At this time, the MCU instructs the master control module 712 to start running and sends a startup signal to the first mainboard 711 based on the serial port transmission protocol. The first mainboard 711 starts running and illuminates the first display 713. At the same time, the MCU changes each HDMI OUT1 to output mode and outputs a high-level pulse signal of a set duration to each slave display device. When each slave display device 72 receives the high-level pulse signal, it starts running. At this time, the second mainboard 721 of each slave display device 72 starts and illuminates the second display 722.

[0272] Based on the structure shown in FIG7 , when the target slave display device receives a startup signal from the user, a schematic diagram of signal transmission between the first mainboard, the first processor, and each slave display device (which can also be considered as the second mainboard of the slave display device) can be referred to in FIG10 . As shown in FIG10 , the user can use key wake-up, insert wake-up, WOL, RTC wake-up, or RS232 wake-up to enable the target slave display device to receive the startup signal. At this time, the target slave display device starts running, lights up its own second display screen, and changes its own HDMI IN1 to output mode. Thereafter, it sends a high-level pulse signal to the outside. When the first processor (i.e., MCU) receives the high-level pulse signal, it determines that the startup signal has been detected. At this time, the MCU instructs the main control module 712 to start running and sends a startup signal to the first mainboard 711 based on the serial port transmission protocol. The first mainboard 711 starts running and lights up the first display screen 713. At the same time, the MCU changes the other HDMI OUT1 (excluding the HDMI OUT1 connected to the target slave display device) to output mode and outputs a high-level pulse signal of a set duration to each slave display device. When each slave display device 72 receives the high-level pulse signal, it starts running. At this time, the second mainboard 721 of each slave display device 72 starts up and lights up the second display screen 722 .

[0273] One embodiment of the present application further provides a display system. Referring to FIG2 , the display system includes a master display device 21 and at least one slave display device 22. FIG2 shows two slave display devices 22 as an example. The master display device 21 includes a first mainboard 211, a first display screen 212, and a main control module 213. The main control module 213 includes a first processor 2131 and at least one first HDMI interface 2132. FIG2 shows two first HDMI interfaces 2132 as an example. The first processor 2131 is connected to the first mainboard 211 via a serial port, and the first mainboard 211 is connected to the first display screen 212.

[0274] Each slave display device 22 includes a second mainboard 221 and a second display screen 222. The second mainboard 221 is connected to the second display screen 222. A second HDMI interface 2211 is provided on the second mainboard 221. Each second HDMI interface 2211 is connected to a first HDMI interface 2132. The control pin of each first HDMI interface 2132 is connected to a corresponding control pin of the first processor 2131. The control pin of the second HDMI interface 2211 and the control pin of the first processor 2131 are both configured as input mode.

[0275] The first processor 2131 is used to instruct the main control module 213 to start running when a start signal is detected, and configure the control pin of the first processor 2131 connected to the corresponding slave display device 22 to output mode; and send the fourth wake-up signal to the corresponding slave display device 22 through the control pin in output mode.

[0276] The second mainboard 221 of the slave display device 22 is configured to receive the fourth wake-up signal through the second HDMI interface 2211 in the input mode, start operation according to the fourth wake-up signal, and light up the second display screen 222 .

[0277] In one embodiment of the present application, when the first processor 2131 detects a startup signal, it instructs the main control module 213 to start running, and configures the control pin of the first processor 2131 connected to the corresponding slave display device 22 to output mode. Specifically, when the first processor 2131 receives a startup signal sent by the first mainboard 211 through the serial port, it instructs the main control module 213 to start running, and changes each control pin connected to the slave display device 22 from input mode to output mode.

[0278] In one embodiment of the present application, when the first processor 2131 detects a start signal, it instructs the main control module 213 to start running, and configures the control pin of the first processor 2131 connected to the corresponding slave display device 22 to an output mode. Specifically, when the first processor 2131 detects a start signal for starting the main control module 213, it instructs the main control module 213 to start running, and changes each control pin connected to the slave display device 22 from an input mode to an output mode.

[0279] In one embodiment of the present application, when the first processor 2131 detects a start signal, it instructs the main control module 213 to start running, and configures the control pin of the first processor 2131 connected to the corresponding slave display device 22 to an output mode. Specifically, when a fifth wake-up signal is received from the target slave display device through a control pin, it is used to determine that a start signal is detected, instruct the main control module 213 to start running, and configure the control pin of the first processor 2131 connected to other slave display devices to an output mode.

[0280] In one embodiment of the present application, when the first processor 2131 detects a start signal, it instructs the main control module 213 to start running, and configures the control pin of the first processor 2131 connected to the corresponding slave display device 22 to an output mode. It is also used to wake up the first mainboard 211 through the serial port, so that the first mainboard 211 lights up the first display screen 212.

[0281] In one embodiment of the present application, the second mainboard 221 of the target slave display device is configured to start operation upon receiving a start signal, light up the second display screen 222, and configure the control pin of the second HDMI interface 2211 to an output mode; and send a fifth wake-up signal to the first processor 2131 through the control pin of the second HDMI interface 2211, so that the first processor 2131 receives the fifth wake-up signal.

[0282] In one embodiment of the present application, referring to Figure 2, the main control module 213 also includes a second processor 2133 and a third HDMI interface 2134. The second processor 2133 is connected to the second HDMI interface 2211 on each second mainboard 221 through each first HDMI interface 2132. The first mainboard 211 also includes a fourth HDMI interface 2111. The fourth HDMI interface 2111 is connected to the first display screen 212. The second processor 2133 is connected to the fourth HDMI interface 2111 through the third HDMI interface 2134 to achieve connection with the first display screen 212.

[0283] The second processor 2133 is used to generate a first display signal for the main display device 21 and a second display signal corresponding to each slave display device 22, and sends the first display signal to the first display screen 212 through the third HDMI interface 2134, and sends the second display signal to the slave display device through each first HDMI interface 2132; the first display screen 212 is used to display the first display signal received through the fourth HDMI interface 2111; the second display screen 222 is also used to display the second display signal received through the second HDMI interface 2211.

[0284] The above-mentioned display system can execute the startup control method of the display system provided in the above-mentioned corresponding embodiments, and has corresponding functions and beneficial effects.

[0285] One embodiment of the present application also provides a storage medium containing computer-executable instructions, which, when executed by a processor, are used to perform relevant operations in the startup control method of the display system provided in any embodiment of the present application, and have corresponding functions and beneficial effects.

[0286] Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products.

[0287] Therefore, the application can adopt the form of complete hardware embodiment, complete software embodiment, or the embodiment in combination with software and hardware. Moreover, the application can adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-usable program code. The application is described with reference to the flow chart and / or block diagram of the method, device (system) and computer program product according to the embodiment of the application. It should be understood that each flow process and / or box in the flow chart and / or block diagram and the combination of the flow chart and / or box in the flow chart and / or block diagram can be realized by computer program instructions. These computer program instructions can be provided to the processing module of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instruction executed by the processing module of the computer or other programmable data processing device produces a device for realizing the function specified in one flow chart flow or multiple flows and / or one block or multiple blocks of the block diagram. These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device that implements the functions specified in one or more processes of the flowchart and / or one or more blocks of the block diagram. These computer program instructions may also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes of the flowchart and / or one or more blocks of the block diagram.

[0288] Computer-readable media includes permanent and non-permanent, removable and non-removable media that can be implemented by any method or technology to store information. The information can be computer-readable instructions, data structures, program modules or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices or any other non-transmission media that can be used to store information that can be accessed by a computing device. As defined herein, computer-readable media does not include transitory computer-readable media (transitory media), such as modulated data signals and carrier waves.

[0289] It should also be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, commodity, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, commodity, or apparatus. In the absence of further limitations, an element defined by the phrase "comprises a ..." does not exclude the presence of other identical elements in the process, method, commodity, or apparatus that includes the element.

[0290] Note that the above are only preferred embodiments of the present application and the technical principles employed. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions can be made by those skilled in the art without departing from the scope of protection of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present application. The scope of the present application is determined by the scope of the appended claims.

Claims

1. A startup control method for a display system, wherein: The display system includes a master display device and at least one slave display device, the master display device includes a first mainboard, a first display screen, and a main control module, the main control module includes a first processor and at least one first HDMI interface, the first processor is connected to the first mainboard via a serial port, and the first mainboard is connected to the first display screen; Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard is connected to the second display screen, the second mainboard is provided with a second HDMI interface, each of the second HDMI interfaces is connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces is connected to a corresponding control pin of the first processor; The control pin of the second HDMI interface and the control pin of the first processor are both configured as input mode; The startup control method includes: When the first processor receives a startup signal from the first mainboard of the master display device through the serial port, it instructs the master control module to start running, and after configuring the control pins of the first processor connected to the slave display devices to output mode, outputs a first wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device receives the first wake-up signal through the second HDMI interface, starts running according to the first wake-up signal, and lights up the second display screen; When the second mainboard of the slave display device receives a startup signal, the control pin of the second HDMI interface is configured to output mode, and then a second wake-up signal is sent to the first processor through the control pin of the second HDMI interface; when the first processor receives the second wake-up signal sent by the slave display device through a control pin, the first mainboard is woken up through the serial port, so that the first mainboard lights up the first display screen, and the first processor also instructs the main control module to start running, and after configuring the control pin of the first processor connected to other slave display devices to output mode, the second wake-up signal is sent to other slave display devices through the control pin in output mode; the second mainboard of the other slave display device receives the second wake-up signal through the second HDMI interface, and starts running according to the second wake-up signal, lighting up the second display screen.

2. The startup control method according to claim 1, wherein: The startup control method further includes: When the first processor detects a startup signal for starting the main control module, it instructs the main control module to start running and wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen. The first processor also configures all control pins of the first processor connected to the slave display devices to output mode, and then outputs a third wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device receives the third wake-up signal through the second HDMI interface, and starts running according to the third wake-up signal, lighting up the second display screen.

3. The startup control method according to claim 1, wherein: The main control module further includes a second processor and a third HDMI interface, the second processor is connected to the second HDMI interface on each second mainboard via each first HDMI interface, the first mainboard further includes a fourth HDMI interface, the fourth HDMI interface is connected to the first display screen, and the second processor is connected to the fourth HDMI interface via the third HDMI interface to achieve connection with the first display screen. The startup control method further includes: The second processor generates a first display signal of the master display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen through the third HDMI interface, and sends the second display signal to the slave display devices through each of the first HDMI interfaces; The first display screen of the main display device displays the first display signal received through the fourth HDMI interface; The second display signal received through the second HDMI interface is displayed on the second display screen of the slave display device.

4. The startup control method according to claim 1, wherein: The main control module is a pluggable detection module, and the pluggable detection module is electrically connected to the first mainboard.

5. The startup control method according to claim 2, wherein: The startup signal for starting the main control module includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level trigger signal, or a key signal triggered by a key switch on the main control module.

6. A display system, wherein: include: A master display device and at least one slave display device, the master display device comprising a first mainboard, a first display screen, and a main control module, the main control module comprising a first processor and at least one first HDMI interface, the first processor being connected to the first mainboard via a serial port, and the first mainboard being connected to the first display screen; Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard being connected to the second display screen, the second mainboard being provided with a second HDMI interface, each of the second HDMI interfaces being connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces being connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor being both configured in input mode; The first processor is configured to, upon receiving a startup signal from the first mainboard of the master display device through the serial port, instruct the master control module to start operation, and after configuring all control pins of the first processor connected to the slave display devices to an output mode, output a first wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device is configured to receive the first wake-up signal through the second HDMI interface, start operation according to the first wake-up signal, and light up the second display screen; The second mainboard of the slave display device is further configured to, upon receiving a start signal, configure the control pin of the second HDMI interface to an output mode, and then send a second wake-up signal to the first processor through the control pin of the second HDMI interface; the first processor is further configured to, upon receiving the second wake-up signal sent by the slave display device through a control pin, wake up the first mainboard through the serial port, so that the first mainboard lights up the first display screen, and is further configured to instruct the main control module to start running, and after configuring the control pin of the first processor connected to other slave display devices to an output mode, send the second wake-up signal to other slave display devices through the control pin in the output mode, so that the second mainboard of the other slave display device receives the second wake-up signal through the second HDMI interface and starts running according to the second wake-up signal to light up the second display screen.

7. The display system according to claim 6, wherein: The first processor is also used to instruct the main control module to start running when it detects a startup signal for starting the main control module, and wake up the first mainboard through the serial port, so that the first mainboard lights up the first display screen. It is also used to configure the control pins of the first processor connected to the slave display device to output mode, and then output a third wake-up signal to each of the slave display devices through the control pins; the second mainboard of the slave display device is also used to receive the third wake-up signal through the second HDMI interface, and start running according to the third wake-up signal to light up the second display screen.

8. The display system according to claim 6, wherein: The main control module further includes a second processor and a third HDMI interface. The second processor is connected to the second HDMI interface on each second mainboard through each first HDMI interface. The first mainboard further includes a fourth HDMI interface. The fourth HDMI interface is connected to the first display screen. The second processor is connected to the fourth HDMI interface through the third HDMI interface to achieve connection with the first display screen. The second processor is configured to generate a first display signal for the master display device and a second display signal corresponding to each slave display device, and send the first display signal to the first display screen through the third HDMI interface, and send the second display signal to the slave display devices through each of the first HDMI interfaces; The first display screen of the main display device is used to display the first display signal received through the fourth HDMI interface; The second display screen of the slave display device is used to display the second display signal received through the second HDMI interface.

9. The display system according to claim 6, wherein: The main control module is a pluggable detection module, and the pluggable detection module is electrically connected to the first mainboard.

10. The display system according to claim 7, wherein: The startup signal for starting the main control module includes: a network wake-up signal, an RTC wake-up signal, a serial port wake-up signal, a level trigger signal, or a key signal triggered by a key switch on the main control module.

11. A startup control method for a display system, wherein: The display system includes a master display device and at least one slave display device, the master display device includes a first mainboard, a first display screen, and a main control module, the main control module includes a first processor and at least one first HDMI interface, the first processor is connected to the first mainboard via a serial port, and the first mainboard is connected to the first display screen; Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard is connected to the second display screen, the second mainboard is provided with a second HDMI interface, each of the second HDMI interfaces is connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces is connected to a corresponding control pin of the first processor; The control pin of the second HDMI interface and the control pin of the first processor are both configured as input mode; The startup control method includes: When the first processor detects the start signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to an output mode; The first processor sends the fourth wake-up signal to the corresponding slave display device through the control pin in the output mode; The second mainboard of the slave display device receives the fourth wake-up signal through the second HDMI interface in input mode, starts running according to the fourth wake-up signal, and lights up the second display screen.

12. The startup control method according to claim 11, wherein: When the first processor detects the start signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, including: When the first processor receives the startup signal sent by the first mainboard through the serial port, it instructs the main control module to start running and changes each control pin connected to the slave display device from input mode to output mode.

13. The startup control method according to claim 11, wherein: When the first processor detects the start signal, it instructs the main control module to start running and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, including: When the first processor detects the start signal for starting the main control module, it instructs the main control module to start running and changes each control pin connected to the slave display device from an input mode to an output mode.

14. The startup control method according to claim 11, wherein: When the first processor detects the start signal, it instructs the main control module to start running, and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, including: When the first processor receives the fifth wake-up signal sent by the target slave display device through a control pin, it determines that a start signal is detected, instructs the main control module to start running, and configures the control pin of the first processor connected to other slave display devices to output mode.

15. The startup control method according to claim 13 or 14, wherein: When the first processor detects the startup signal, it instructs the main control module to start running, and configures the control pin of the first processor connected to the corresponding slave display device to an output mode, further comprising: The first processor also wakes up the first mainboard through the serial port, so that the first mainboard lights up the first display screen.

16. The startup control method according to claim 14, wherein: When the first processor receives a fifth wake-up signal sent by a target slave display device through a control pin, it determines that a start signal is detected, instructs the main control module to start running, and configures the control pin of the first processor connected to other slave display devices to an output mode, the method further includes: When the target receives a startup signal from the second mainboard of the display device, it starts running, lights up the second display screen, and configures the control pin of the second HDMI interface to output mode; The target sends a fifth wake-up signal to the first processor through a control pin of the second HDMI interface from a second mainboard of the display device.

17. The startup control method according to claim 11, wherein: The main control module further includes a second processor and a third HDMI interface, the second processor is connected to the second HDMI interface on each second mainboard via each first HDMI interface, the first mainboard further includes a fourth HDMI interface, the fourth HDMI interface is connected to the first display screen, and the second processor is connected to the fourth HDMI interface via the third HDMI interface to achieve connection with the first display screen. The startup control method further includes: The second processor generates a first display signal of the master display device and a second display signal corresponding to each slave display device, and sends the first display signal to the first display screen through the third HDMI interface, and sends the second display signal to the slave display devices through each of the first HDMI interfaces; The first display screen of the main display device displays the first display signal received through the fourth HDMI interface; The second display signal received through the second HDMI interface is displayed on the second display screen of the slave display device.

18. A display system, wherein: The display system includes a master display device and at least one slave display device, the master display device includes a first mainboard, a first display screen, and a main control module, the main control module includes a first processor and at least one first HDMI interface, the first processor is connected to the first mainboard via a serial port, and the first mainboard is connected to the first display screen; Each of the slave display devices includes a second mainboard and a second display screen, the second mainboard being connected to the second display screen, the second mainboard being provided with a second HDMI interface, each of the second HDMI interfaces being connected to one of the first HDMI interfaces, and a control pin of each of the first HDMI interfaces being connected to a corresponding control pin of the first processor; the control pin of the second HDMI interface and the control pin of the first processor being both configured in input mode; The first processor is configured to, upon detecting a start-up signal, instruct the master control module to start operation, and configure a control pin of the first processor connected to the corresponding slave display device to an output mode; and send a fourth wake-up signal to the corresponding slave display device via the control pin in the output mode; The second mainboard of the slave display device is used to receive the fourth wake-up signal through the second HDMI interface in input mode, and start operation according to the fourth wake-up signal to light up the second display screen.

19. A computer-readable storage medium having a computer program stored thereon, wherein: When the computer program is executed by a processor, the startup control method of the display system according to any one of claims 1 to 5 or claims 11 to 17 is implemented.

Images