CN114942902A - Display device and multiplexing method of memory module thereof - Google Patents
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Abstract
The embodiment of the application provides a display device and a multiplexing method of a storage module of the display device, wherein the display device comprises a main control module, the storage module and at least one slave control module; the master control module is respectively connected with the storage module and the slave control module; the storage module is stored with a first starting program of the master control module and a second starting program of the slave control module; the main control module is used for reading a first starting program and a second starting program stored in the storage module after the main control module is powered on, and starting based on the first starting program; and the slave control module is used for acquiring a second starting program read by the master control module after the slave control module is powered on, and starting the slave control module based on the second starting program. In the embodiment of the application, the slave control module does not need a separate plug-in memory, and the master control module and the slave control module store respective starting programs by multiplexing the same memory module, so that the layout and routing of the display equipment mainboard can be effectively simplified, and the cost of the display equipment is reduced.
Description
Technical Field
The embodiment of the application relates to the technical field of display equipment, in particular to display equipment and a multiplexing method of a storage module of the display equipment.
Background
With the development of science and technology and the continuous improvement of audio-visual experience requirements of people, the current display equipment is gradually developed towards the direction of more intelligence and higher resolution.
In order to meet the requirements of intelligence and high resolution, the conventional display device is generally configured with one or more slave control modules, such as a Frame Rate Converter (FRC) Chip, a Digital Signal Processing (DSP) Chip, a Field Programmable Gate Array (FPGA) Chip, and the like, in addition to a System on Chip (SoC) as a master control module.
The chips such as FRC, DSP, FPGA and the like usually adopt independent plug-in memories, that is, the start-up program of SoC and the start-up program of chips such as FRC, DSP, FPGA and the like are usually stored in different memories, so that the main board of the display device needs more space for laying and routing, and the cost is higher.
Disclosure of Invention
The embodiment of the application provides a display device and a multiplexing method of a storage module thereof, which can effectively reduce the production cost of the display device configured with a plurality of chips.
In some embodiments, an embodiment of the present application provides a display device, which includes a master control module, a storage module, and at least one slave control module; the master control module is respectively connected with the storage module and the slave control module; the storage module stores a first starting program of the master control module and a second starting program of the slave control module;
the main control module is used for reading the first starting program and the second starting program stored in the storage module after the main control module is powered on, and starting based on the first starting program;
and the slave control module is used for acquiring the second starting program read by the master control module after the slave control module is powered on, and starting based on the second starting program.
In one possible embodiment, the memory module is configured with a plurality of memory partitions, and the first boot program and the second boot program are stored in different memory partitions.
In a possible implementation manner, after the main control module reads the first start-up program and the second start-up program stored in the storage module, the read first start-up program and the read second start-up program are stored in a memory corresponding to the main control module.
In a possible implementation manner, the program transmission interface of the master control module is in communication connection with the program transmission interface of the slave control module through a program transmission line;
and the slave control module is used for reading the second starting program stored in the memory corresponding to the main control module by using the program transmission line after the slave control module is powered on.
In a possible implementation manner, the master control module is further configured to start power supply to the slave control module after the first start program and the second start program stored in the storage module are read.
In a possible embodiment, the master control module is an SOC, and the at least one slave control module includes, but is not limited to, any one or more of an FRC chip, a DSP chip, and an FPGA chip.
In some embodiments, an embodiment of the present application provides a multiplexing method for a storage module of a display device, where the display device includes a master control module, a storage module, and at least one slave control module; the master control module is respectively connected with the storage module and the slave control module; the storage module stores a first starting program of the master control module and a second starting program of the slave control module;
the method comprises the following steps:
after the main control module is powered on, reading the first starting program and the second starting program stored in the storage module based on the main control module, and starting the main control module based on the first starting program;
and supplying power to the slave control module, acquiring the second starting program read by the master control module based on the slave control module after the slave control module is powered on, and starting the slave control module based on the second starting program.
In a possible implementation manner, after the reading of the first boot program and the second boot program stored in the storage module based on the main control module, the method further includes:
and storing the read first starting program and the second starting program to a memory corresponding to the main control module.
In a possible implementation manner, the program transmission interface of the master control module is in communication connection with the program transmission interface of the slave control module through a program transmission line;
the obtaining of the second boot program read by the master control module based on the slave control module includes:
and reading the second starting program stored in the memory corresponding to the main control module by using the program transmission line based on the slave control module.
In a possible implementation, the master control module is an SOC, and the slave control modules include, but are not limited to, any one or more of an FRC chip, a DSP chip, and an FPGA chip.
According to the display device and the multiplexing method of the storage module of the display device, the slave control module of the display device does not need a separate plug-in memory, and the master control module and the slave control module store respective starting programs by multiplexing the same storage module, wherein after the master control module is powered on, the master control module reads the starting program of the master control module and the starting program of the slave control module, which are stored in the storage module, and starts based on the starting program of the master control module; after the slave control module is powered on, the slave control module acquires the starting program of the slave control module read by the master control module and starts based on the starting program, so that the piece distribution and wiring of the display equipment mainboard can be effectively simplified, and the cost of the display equipment is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present application or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive exercise.
FIG. 1 illustrates a usage scenario of a display device according to some embodiments;
fig. 2 illustrates a block diagram of a hardware configuration of the control apparatus 100 according to some embodiments;
fig. 3 illustrates a hardware configuration block diagram of the display apparatus 200 according to some embodiments;
FIG. 4 illustrates a software configuration diagram in the display device 200 according to some embodiments;
fig. 5 is a first schematic diagram illustrating a control module of a display device provided in an embodiment of the present application;
fig. 6 is a schematic diagram illustrating a first system booting process of a display device according to an embodiment of the present application;
fig. 7 is a first schematic circuit diagram of a display device provided in an embodiment of the present application;
fig. 8 is a second schematic wiring diagram of a control module of a display device provided in an embodiment of the present application;
fig. 9 is a schematic diagram illustrating a system start-up process of a display device according to an embodiment of the present application;
fig. 10 is a schematic circuit diagram of a display device according to a second embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. In addition, while the disclosure herein has been presented in terms of one or more exemplary examples, it should be appreciated that aspects of the disclosure may be implemented solely as a complete embodiment.
It should be noted that the brief descriptions of the terms in the present application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of the present application. These terms should be understood in their ordinary and customary meaning unless otherwise indicated.
The terms "first," "second," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between similar or analogous objects or entities and not necessarily for describing a particular sequential or chronological order, unless otherwise indicated. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a product or device that comprises a list of elements is not necessarily limited to those elements explicitly listed, but may include other elements not expressly listed or inherent to such product or device.
The term "module," as used herein, refers to any known or later developed hardware, software, firmware, artificial intelligence, fuzzy logic, or combination of hardware and/or software code that is capable of performing the functionality associated with that element.
Fig. 1 is a schematic diagram of a usage scenario of a display device according to an embodiment. As shown in fig. 1, the display apparatus 200 is also in data communication with a server 400, and a user can operate the display apparatus 200 through the smart device 300 or the control device 100.
In some embodiments, the control apparatus 100 may be a remote controller, and the communication between the remote controller and the display device includes at least one of an infrared protocol communication or a bluetooth protocol communication, and other short-distance communication methods, and controls the display device 200 in a wireless or wired manner. The user may control the display apparatus 200 by inputting a user instruction through at least one of a key on a remote controller, a voice input, a control panel input, and the like.
In some embodiments, the smart device 300 may include any of a mobile terminal, a tablet, a computer, a laptop, an AR/VR device, and the like.
In some embodiments, the smart device 300 may also be used to control the display device 200. For example, the display device 200 is controlled using an application program running on the smart device.
In some embodiments, the smart device 300 and the display device may also be used for communication of data.
In some embodiments, the display device 200 may also be controlled in a manner other than the control apparatus 100 and the smart device 300, for example, the voice instruction control of the user may be directly received by a module configured inside the display device 200 to obtain a voice instruction, or may be received by a voice control apparatus provided outside the display device 200.
In some embodiments, the display device 200 is also in data communication with a server 400. The display device 200 may be allowed to be communicatively connected through a Local Area Network (LAN), a Wireless Local Area Network (WLAN), and other networks. The server 400 may provide various contents and interactions to the display apparatus 200. The server 400 may be a cluster or a plurality of clusters, and may include one or more types of servers.
In some embodiments, software steps executed by one step execution agent may be migrated on demand to another step execution agent in data communication therewith for execution. Illustratively, software steps performed by the server may be migrated to be performed on a display device in data communication therewith, and vice versa, as desired.
Fig. 2 exemplarily shows a block diagram of a configuration of the control apparatus 100 according to an exemplary embodiment. As shown in fig. 2, the control device 100 includes a controller 110, a communication interface 130, a user input/output interface 140, a memory, and a power supply. The control apparatus 100 may receive an input operation instruction of a user and convert the operation instruction into an instruction recognizable and responsive to the display device 200, serving as an interaction intermediary between the user and the display device 200.
In some embodiments, the communication interface 130 is used for external communication, and includes at least one of a WIFI chip, a bluetooth module, NFC, or an alternative module.
In some embodiments, the user input/output interface 140 includes at least one of a microphone, a touchpad, a sensor, a key, or an alternative module.
Fig. 3 illustrates a hardware configuration block diagram of the display apparatus 200 according to an exemplary embodiment.
In some embodiments, the display apparatus 200 includes at least one of a tuner 210, a communicator 220, a detector 230, an external device interface 240, a controller 250, a display 260, an audio output interface 270, a memory, a power supply, and a user interface.
In some embodiments the controller comprises a central processor, a video processor, an audio processor, a graphics processor, a RAM, a ROM, a first interface to an nth interface for input/output.
In some embodiments, the display 260 includes a display screen component for displaying pictures, and a driving component for driving image display, a component for receiving image signals from the controller output, displaying video content, image content, and menu manipulation interface, and a user manipulation UI interface, etc.
In some embodiments, the display 260 may be at least one of a liquid crystal display, an OLED display, and a projection display, and may also be a projection device and a projection screen.
In some embodiments, the tuner demodulator 210 receives broadcast television signals via wired or wireless reception and demodulates audio/video signals, such as EPG data signals, from a plurality of wireless or wired broadcast television signals.
In some embodiments, communicator 220 is a component for communicating with external devices or servers according to various communication protocol types. For example: the communicator may include at least one of a Wifi module, a bluetooth module, a wired ethernet module, and other network communication protocol chips or near field communication protocol chips, and an infrared receiver. The display apparatus 200 may establish transmission and reception of control signals and data signals with the control device 100 or the server 400 through the communicator 220.
In some embodiments, the detector 230 is used to collect signals of the external environment or interaction with the outside. For example, detector 230 includes a light receiver, a sensor for collecting ambient light intensity; alternatively, the detector 230 includes an image collector, such as a camera, which may be used to collect external environment scenes, attributes of the user, or user interaction gestures, or the detector 230 includes a sound collector, such as a microphone, which is used to receive external sounds.
In some embodiments, the external device interface 240 may include, but is not limited to, the following: high Definition Multimedia Interface (HDMI), analog or data high definition component input interface (component), composite video input interface (CVBS), USB input interface (USB), RGB port, and the like. The interface may be a composite input/output interface formed by the plurality of interfaces.
In some embodiments, the controller 250 and the modem 210 may be located in different separate devices, that is, the modem 210 may also be located in an external device of the main device where the controller 250 is located, such as an external set-top box.
In some embodiments, the controller 250 controls the operation of the display device and responds to user operations through various software control programs stored in memory. The controller 250 controls the overall operation of the display apparatus 200. For example: in response to receiving a user command for selecting a UI object to be displayed on the display 260, the controller 250 may perform an operation related to the object selected by the user command.
In some embodiments, the object may be any one of selectable objects, such as a hyperlink, an icon, or other actionable control. Operations related to the selected object are: displaying an operation connected to a hyperlink page, document, image, or the like, or performing an operation of a program corresponding to the icon.
In some embodiments the controller comprises at least one of a Central Processing Unit (CPU), a video processor, an audio processor, a Graphics Processing Unit (GPU), a RAM Random Access Memory (RAM), a ROM (Read-Only Memory), a first to nth interface for input/output, a communication Bus (Bus), and the like.
A CPU processor. For executing operating system and application program instructions stored in the memory, and executing various application programs, data and contents according to various interactive instructions receiving external input, so as to finally display and play various audio-video contents. The CPU processor may include a plurality of processors. E.g. comprising a main processor and one or more sub-processors.
In some embodiments, a graphics processor for generating various graphics objects, such as: at least one of an icon, an operation menu, and a user input instruction display figure. The graphic processor comprises an arithmetic unit, which performs operation by receiving various interactive instructions input by a user and displays various objects according to display attributes; the system also comprises a renderer for rendering various objects obtained based on the arithmetic unit, wherein the rendered objects are used for being displayed on a display.
In some embodiments, the video processor is configured to receive an external video signal, and perform at least one of video processing such as decompression, decoding, scaling, noise reduction, frame rate conversion, resolution conversion, and image synthesis according to a standard codec protocol of the input signal, so as to obtain a signal displayed or played on the direct display device 200.
In some embodiments, the video processor includes at least one of a demultiplexing module, a video decoding module, an image composition module, a frame rate conversion module, a display formatting module, and the like. The demultiplexing module is used for demultiplexing the input audio and video data stream. And the video decoding module is used for processing the video signal after demultiplexing, including decoding, scaling and the like. And the image synthesis module is used for carrying out superposition mixing processing on the GUI signal input by the user or generated by the user and the video image after the zooming processing by the graphic generator so as to generate an image signal for display. And the frame rate conversion module is used for converting the frame rate of the input video. And the display formatting module is used for converting the received video output signal after the frame rate conversion, and changing the signal to be in accordance with the signal of the display format, such as an output RGB data signal.
In some embodiments, the audio processor is configured to receive an external audio signal, decompress and decode the received audio signal according to a standard codec protocol of the input signal, and perform at least one of noise reduction, digital-to-analog conversion, and amplification processing to obtain a sound signal that can be played in the speaker.
In some embodiments, a user may enter user commands on a Graphical User Interface (GUI) displayed on display 260, and the user input interface receives the user input commands through the Graphical User Interface (GUI). Alternatively, the user may input a user command by inputting a specific sound or gesture, and the user input interface receives the user input command by recognizing the sound or gesture through the sensor.
In some embodiments, a "user interface" is a media interface for interaction and information exchange between an application or operating system and a user that enables conversion between an internal form of information and a form that is acceptable to the user. A commonly used presentation form of the User Interface is a Graphical User Interface (GUI), which refers to a User Interface related to computer operations and displayed in a graphical manner. It may be an interface element such as an icon, a window, a control, etc. displayed in the display screen of the electronic device, where the control may include at least one of an icon, a button, a menu, a tab, a text box, a dialog box, a status bar, a navigation bar, a Widget, etc. visual interface elements.
In some embodiments, user interface 280 is an interface that may be used to receive control inputs (e.g., physical keys on the body of the display device, or the like).
In some embodiments, a system of a display device may include a Kernel (Kernel), a command parser (shell), a file system, and an application program. The kernel, shell, and file system together make up the basic operating system structure that allows users to manage files, run programs, and use the system. After power-on, the kernel is started, kernel space is activated, hardware is abstracted, hardware parameters are initialized, and virtual memory, a scheduler, signals and interprocess communication (IPC) are operated and maintained. And after the kernel is started, loading the Shell and the user application program. The application program is compiled into machine code after being started, and a process is formed.
Referring to fig. 4, in some embodiments, the system is divided into four layers, which are an Application (Applications) layer (abbreviated as "Application layer"), an Application Framework (Application Framework) layer (abbreviated as "Framework layer"), an Android runtime (Android runtime) and system library layer (abbreviated as "system runtime library layer"), and a kernel layer from top to bottom.
In some embodiments, at least one application program runs in the application program layer, and the application programs may be windows (Window) programs carried by an operating system, system setting programs, clock programs or the like; or may be an application developed by a third party developer. In particular implementations, the application packages in the application layer are not limited to the above examples.
The framework layer provides an Application Programming Interface (API) and a programming framework for the application program of the application layer. The application framework layer includes a number of predefined functions. The application framework layer acts as a processing center that decides to let the applications in the application layer act. The application program can access the resources in the system and obtain the services of the system in execution through the API interface.
As shown in fig. 4, in the embodiment of the present application, the application framework layer includes a manager (Managers), a Content Provider (Content Provider), and the like, where the manager includes at least one of the following modules: an Activity Manager (Activity Manager) is used for interacting with all activities running in the system; the Location Manager (Location Manager) is used for providing the system service or application with the access of the system Location service; a Package Manager (Package Manager) for retrieving various information related to an application Package currently installed on the device; a Notification Manager (Notification Manager) for controlling display and clearing of Notification messages; a Window Manager (Window Manager) is used to manage icons, windows, toolbars, wallpapers, desktop parts, etc. on a user interface.
In some embodiments, the activity manager is used to manage the lifecycle of the various applications and the usual navigation fallback functions, such as controlling exit, opening, fallback, etc. of the applications. The window manager is used for managing all window programs, such as obtaining the size of a display screen, judging whether a status bar exists, locking the screen, intercepting the screen, controlling the change of the display window (for example, reducing the display window, displaying a shake, displaying a distortion deformation, and the like), and the like.
In some embodiments, the system runtime layer provides support for the upper layer, i.e., the framework layer, and when the framework layer is used, the android operating system runs the C/C + + library included in the system runtime layer to implement the functions to be implemented by the framework layer.
In some embodiments, the kernel layer is a layer between hardware and software. As shown in fig. 4, the core layer includes at least one of the following drivers: audio drive, display driver, bluetooth drive, camera drive, WIFI drive, USB drive, HDMI drive, sensor drive (like fingerprint sensor, temperature sensor, pressure sensor etc.) and power drive etc..
In order to meet the requirements of intelligence and high resolution, the existing display device is usually configured with one or more slave control modules, such as FRC, DSP, FPGA chip, etc., in addition to the SoC as the master control module. The main control module is usually connected to a related memory to store a start program of the main control module, and when the main control module is powered on, the main control module can be started by loading the start program of the main control module from the memory. In addition, after the main control module is started, data generated in the running process can be stored in the memory.
In some embodiments, the slave control module may also use a separate external memory to store its own start-up program, and after the slave control module is powered on, the slave control module completes the start-up by loading its own start-up program from its corresponding external memory.
For better understanding of the embodiment of the present application, referring to fig. 5, fig. 5 is a first schematic wiring diagram of a control module of a display device provided in the embodiment of the present application.
In fig. 5, the display device includes a master control module 501, a first memory 502, a slave control module 503, and a second memory 504. The start program of the master module 501 is stored in the first memory 502, and the start program of the slave module 503 is independently stored in the second memory 504.
In some embodiments, the master control module 501 is connected to the slave control module 503 in a communication manner, and VB1 image signals and control class signals can be transmitted between the master control module 501 and the slave control module 503 through the communication connection.
The main control module 501 is connected to the first memory 502, and after the main control module 501 is powered on, the main control module 501 can be started by reading the start program in the first memory 502.
The slave control module 503 is connected to the second memory 504, and after the slave control module 503 is powered on, the slave control module 503 can be started by reading the start program in the second memory 504.
In some embodiments, the master control module 501 may be an SoC chip, and the slave control module 503 may be any one of FRC, DSP, FPGA, and the like.
It can be understood that the display device may further include two or more slave control modules, when the display device includes two or more slave control modules, each slave control module is connected to the master control module, each slave control module is independently provided with an external memory, and a start program of each slave control module is stored in its own external memory.
Referring to fig. 6, fig. 6 is a first schematic diagram illustrating a system start-up process of a display device provided in an embodiment of the present application.
In one possible implementation, the display device system startup procedure includes the following steps:
and S601, powering on the main control module.
S602, the main control module initializes the first memory.
And S603, the main control module reads the starting program in the first memory to start.
And S604, powering on the slave control module.
And S605, the slave control module initializes the second memory.
And S606, reading the starting program in the second memory from the slave control module for starting.
In order to better understand the embodiment of the present application, an FRC chip is taken as an example of a slave control module in the embodiment of the present application, and referring to fig. 7, fig. 7 is a schematic circuit structure diagram of a display device provided in the embodiment of the present application.
In fig. 7, the display device includes SoC, FRC chip, DDR, eMMC, and SPI FLASH. Wherein, the SoC is a main control module; the FRC chip is a slave control module; DDR (Double Data Rate Synchronous Dynamic Random Access Memory, DDR SDRAM for short) is connected to SoC, emmc (embedded Multi Media card) is a first Memory corresponding to SoC, and SPI FLASH is a second Memory corresponding to FRC.
In some embodiments, after the SoC is powered up, the SoC may read a boot program of the SoC stored in the eMMC and save to the DDR, and then boot with the read boot program of the SoC. After the FRC chip is powered on, the FRC chip may read a start-up program of the FRC chip stored in the SPI FLASH, and then start up by using the read start-up program.
In the display device described in the above embodiment, the slave control module adopts the independent plug-in memory, that is, the start program of the master control module and the start program of the slave control module are stored in different memories, so that the main board of the display device needs more space for arranging and routing, and the cost is higher.
In order to solve the foregoing technical problem, an embodiment of the present application provides a display device, where a slave control module of the display device does not need a separate external memory, and a same memory module is multiplexed between a master control module and the slave control module to store respective start programs, so that the layout and routing of a display device motherboard can be effectively simplified, and the cost of the display device is reduced. The following examples are given for the purpose of illustration.
Referring to fig. 8, fig. 8 is a second chip wiring diagram of a display device provided in the embodiment of the present application.
In fig. 8, the display device includes a master control module 501, a slave control module 503, and a storage module 801, wherein a start-up program of the master control module 501 and a start-up program of the slave control module 503 are both stored in the storage module 801.
In some embodiments, the master control module 501 is connected to the slave control module 503 in a communication manner, and VB1 image signals and control class signals can be transmitted between the master control module 501 and the slave control module 503 through the communication connection.
In addition, the program transmission interface of the master control module 501 is communicatively connected with the program transmission interface of the slave control module 503 through a program transmission line.
In some embodiments, the program transmission interface may be an I2C interface, an SPI interface, and the like, and may be specifically selected according to actual interfaces of the master control module 501 and the slave control module 503, which is not limited in this embodiment of the present invention. For example, when the program transmission interface is an I2C interface, the program transmission interface of the master control module 501 and the program transmission interface of the slave control module 503 are communicatively connected through an I2C bus; when the program transmission interface is an SPI interface, the program transmission interface of the master control module 501 and the program transmission interface of the slave control module 503 are connected through an SPI bus.
In some embodiments, the main control module 501 is connected to the storage module 801, and after the main control module 501 is powered on, the main control module 501 may respectively read a start program of the main control module 501 and a start program of the slave control module 503 stored in the storage module 801, store the start programs in a memory corresponding to the main control module 501, and then start the main control module 501 by using the read start program of the main control module 501.
After the slave control module 503 is powered on, the slave control module 503 may read the start program of the slave control module 503 stored in the memory corresponding to the master control module 501 through the program transmission line, and then start the slave control module 503 by using the read start program.
In some embodiments, the communication lines between the master control module 501 and the memory module 801 may transmit CMD commands, CLK clock signals, etc., in addition to boot program data.
According to the display device provided by the embodiment of the application, the slave control module does not need a separate plug-in memory, and the master control module and the slave control module store respective starting programs by multiplexing the same storage module, so that the distribution and routing of a mainboard of the display device are effectively simplified, and the cost of the display device is reduced.
In some embodiments, the master control module 501 may be an SoC chip, and the slave control module 503 may be any one of FRC, DSP, FPGA, and the like.
It can be understood that the display device may include two or more slave control modules, when the display device includes two or more slave control modules, each slave control module is connected to the master control module, and the start-up programs of the slave control modules are stored in the same storage module.
Referring to fig. 9, fig. 9 is a schematic diagram of a system start-up process of a display device provided in this embodiment.
In one possible implementation, the display device system start-up procedure includes the following steps:
s901, the main control module is powered on.
In some embodiments, after the display device is powered on, the power supply system of the display device supplies power to the main control module.
S902, the main control module initializes the storage module.
In some embodiments, after the main control module is powered on, the memory module is initialized, so that the memory module can normally operate.
In addition, after the main control module is powered on, the main control module can initialize the memory DDR connected with the main control module, so that the normal operation of the memory DDR can be ensured.
S903, the main control module reads a first starting program of the main control module and a second starting program of the slave control module, which are stored in the storage module, and the main control module starts based on the first starting program.
In some embodiments, after reading the first boot program of the master control module and the second boot program of the slave control module stored in the storage module, the master control module caches the read first boot program and second boot program to the memory DDR connected to the master control module, and then starts based on the first boot program cached in the memory DDR.
And S904, powering on the slave control module.
In a possible implementation manner, after the master control module completes the startup, the master control module starts the power supply of the slave control module, so that the slave control module is powered on.
In another possible implementation, the slave chip may also complete power-up by itself after the display device is turned on.
S905, the slave control module obtains the second starting program read by the master control module, and the slave control module is started based on the second starting program.
In some embodiments, after the slave control module is powered on, a program transmission line between the slave control module and the master control module is used to read a second start-up program of the slave control module from a memory DDR connected to the master control module, and the start-up is completed based on the read second start-up program.
In order to better understand the embodiment of the present application, an FRC chip is taken as an example of a slave control module in the embodiment of the present application, and referring to fig. 10, fig. 10 is a schematic circuit structure diagram two of a display device provided in the embodiment of the present application.
In fig. 10, the display device includes SoC, FRC chip, DDR, and eMMC. The system comprises a SoC, an FRC chip, a DDR SDRAM and an eMMC, wherein the SoC is a master control module, the FRC chip is a slave control module, the DDR SDRAM is connected with the SoC, and the eMMC is a storage module.
In some embodiments, the eMMC stores a start-up program of the SoC and a start-up program of the FRC chip, and after the SoC is powered on, the SoC may read the start-up program of the SoC and the start-up program of the FRC chip stored in the eMMC, store the read start-up programs of the SoC and the FRC chip to the DDR, and then start the SoC using the read start-up program of the SoC. After the FRC chip is powered on, the FRC chip can read a starting program of the FRC chip stored in the DDR through the program transmission line, and then the starting is carried out by utilizing the read starting program.
In some embodiments, the eMMC is configured with a plurality of memory partitions, and the boot program of the master control module SoC and the boot program of the slave control module FRC are stored in different memory partitions, respectively, so as to facilitate maintenance and reading of the boot programs.
According to the display device provided by the embodiment of the application, the FRC chip does not need a separate plug-in memory, and the SoC and the FRC chip store respective starting programs by multiplexing the same memory module, so that the layout and wiring of a mainboard of the display device are effectively simplified, and the cost of the display device is reduced.
Based on the content described in the foregoing embodiments, an embodiment of the present application further provides a multiplexing method for a display device memory module, where the method may be applied to any type of electronic device, for example, the electronic device may be any type of display device.
In an embodiment of the present application, the display device includes a master control module, a slave control module, and a storage module. The starting program of the master control module and the starting program of the slave control module are both stored in the storage module, and the master control module is in communication connection with the slave control module and the storage module respectively.
The multiplexing method of the display equipment storage module comprises the following steps:
the method comprises the following steps: after the main control module is powered on, a first starting program of the main control module and a second starting program of the slave control module stored in the storage module are read based on the main control module, and the main control module is started based on the first starting program.
In some embodiments, after the display device is powered on, the power supply system of the display device actively supplies power to the main control module. After the main control module is powered on, the main control module reads a first starting program of the main control module and a second starting program of the slave control module, which are stored in the storage module, caches the read first starting program and the read second starting program to a memory DDR (double data rate) connected with the main control module, and then starts based on the first starting program cached in the memory DDR.
In some embodiments, after the main control module is powered on, the main control module may further initialize the storage module, so as to ensure that the storage module can operate normally.
Step two: and supplying power to the slave control module, reading a second starting program stored by the master control module based on the slave control module after the slave control module is powered on, and starting the slave control module based on the read second starting program.
In a possible implementation manner, after the master control module completes the startup, the master control module starts the power supply of the slave control module, so that the slave control module is powered on. Alternatively, the slave chip may also complete power-on by itself after the display device is turned on.
After the slave control module is powered on, the slave control module reads a second starting program of the slave control module from a memory DDR connected with the master control module by using a program transmission line between the slave control module and the master control module, and the starting is completed based on the read second starting program.
In some embodiments, the master control module 501 may be an SoC chip, and the slave control module 503 may be any one of FRC, DSP, FPGA, and the like.
In the multiplexing method for the storage module of the display device provided by the embodiment of the application, when the display device comprises a master control module and at least one slave control module, the slave control module does not need a separate plug-in memory, and the master control module and the slave control module store respective starting programs by multiplexing the same storage module, so that the distribution and routing of a mainboard of the display device are effectively simplified, and the cost of the display device is reduced.
Based on the multiplexing method for the storage module of the display device described in the foregoing embodiment, in another embodiment of the present application, the multiplexing method for the storage module of the display device includes:
the method comprises the steps of firstly, dividing a storage module of the display equipment into a plurality of storage partitions, and storing a first starting program of a main control module of the display equipment and a second starting program of a slave control module in different storage partitions.
And step two, after the main control module is powered on, reading the first starting program and the second starting program stored in the storage module based on the main control module, and storing the read first starting program and the read second starting program to a memory corresponding to the main control module.
And step three, the main control module starts the main control module based on the read first starting program.
And step four, supplying power to the slave control module, and reading a second starting program stored in the memory corresponding to the master control module by the slave control module after the slave control module is powered on.
And step five, the slave control module starts the slave control module based on the read second starting program.
In the multiplexing method for the storage module of the display device provided by the embodiment of the application, the same storage module is multiplexed between the master control module and the slave control module to store the respective start programs, and the respective start programs of the master control module and the slave control module are stored in different storage partitions of the storage module, so that the maintenance and reading of the start programs are facilitated. In the starting process of the display device, the main control module loads respective starting programs of the main control module and the slave control module into the memory, and then the main control module and the slave control module can finish starting by reading the respective starting programs in the memory, so that the layout and routing of a display device mainboard can be effectively simplified, and the cost of the display device is reduced.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, indirect coupling or communication connection between devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present application may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The display equipment is characterized by comprising a master control module, a storage module and at least one slave control module; the master control module is respectively connected with the storage module and the slave control module; the storage module is used for storing a first starting program of the master control module and a second starting program of the slave control module;
the main control module is used for reading the first starting program and the second starting program stored in the storage module after the main control module is powered on, and starting based on the first starting program;
and the slave control module is used for acquiring the second starting program read by the master control module after the slave control module is powered on, and starting based on the second starting program.
2. The display device according to claim 1, wherein the storage module is configured with a plurality of storage partitions, and the first boot program and the second boot program are stored in different storage partitions.
3. The display device according to claim 1, wherein after the main control module reads the first boot program and the second boot program stored in the storage module, the read first boot program and the read second boot program are stored in a memory corresponding to the main control module.
4. The display device according to claim 3, wherein the program transmission interface of the master control module is in communication connection with the program transmission interface of the slave control module through a program transmission line;
and the slave control module is used for reading the second starting program stored in the memory corresponding to the main control module by using the program transmission line after the slave control module is powered on.
5. The display device according to any one of claims 1 to 4, wherein the master control module is a System On Chip (SOC), and the at least one slave control module includes, but is not limited to, any one or more of a Frame Rate Conversion (FRC) chip, a Digital Signal Processing (DSP) chip, and a Field Programmable Gate Array (FPGA) chip.
6. The multiplexing method of the storage module of the display equipment is characterized in that the display equipment comprises a main control module, a storage module and at least one slave control module; the master control module is respectively connected with the storage module and the slave control module; the storage module stores a first starting program of the master control module and a second starting program of the slave control module;
the method comprises the following steps:
after the main control module is powered on, reading the first starting program and the second starting program stored in the storage module based on the main control module, and starting the main control module based on the first starting program;
and supplying power to the slave control module, acquiring the second starting program read by the master control module based on the slave control module after the slave control module is powered on, and starting the slave control module based on the second starting program.
7. The method of claim 6, further comprising:
and configuring a plurality of storage partitions for the storage module, and storing the first boot program and the second boot program in different storage partitions.
8. The method according to claim 6, wherein after the reading of the first boot program and the second boot program stored in the storage module based on the master control module, the method further comprises:
and storing the read first starting program and the second starting program to a memory corresponding to the main control module.
9. The method according to claim 8, wherein the program transmission interface of the master control module is in communication connection with the program transmission interface of the slave control module through a program transmission line;
the obtaining of the second boot program read by the master control module based on the slave control module includes:
and reading the second starting program stored in the memory corresponding to the main control module by using the program transmission line based on the slave control module.
10. The method according to any one of claims 6 to 9, wherein the master control module is a system on a chip (SOC), and the slave control module includes, but is not limited to, any one or more of a Frame Rate Conversion (FRC) chip, a Digital Signal Processing (DSP) chip, and a Field Programmable Gate Array (FPGA) chip.
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