CN114756192B - Multi-operating-system same-screen display method and device - Google Patents
Multi-operating-system same-screen display method and device Download PDFInfo
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- CN114756192B CN114756192B CN202210675618.2A CN202210675618A CN114756192B CN 114756192 B CN114756192 B CN 114756192B CN 202210675618 A CN202210675618 A CN 202210675618A CN 114756192 B CN114756192 B CN 114756192B
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G06—COMPUTING; CALCULATING OR COUNTING
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
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- G06F9/4406—Loading of operating system
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The application provides a multi-operating system on-screen display method, which comprises the following steps: the display controller acquires contents to be displayed of each layer from a plurality of operating systems and layout configuration information corresponding to each layer; based on the layout configuration information corresponding to the layers, the display controller adjusts the corresponding contents to be displayed of the layers and integrates the contents to be displayed of each layer for display; the display controller comprises a plurality of layer processing units, the layer processing units are configured into a plurality of groups, and the layer processing units in the same group are used for adjusting contents to be displayed in different layers from the same operating system. The application also provides a multi-operating system same-screen display device, so that the display contents of the multiple operating systems are displayed on the same display screen, and the utilization rate of hardware resources is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of image display, in particular to a method and a device for displaying multiple operating systems on the same screen.
Background
In the prior art, in order to meet the display requirements of each operating system, a set of dedicated display controller and a set of dedicated display interface are generally arranged on the system on chip for each operating system, and then an independent display screen is externally connected.
According to the display method of the multiple operating systems, the number of the display controllers, the display interfaces and the display screens is increased along with the increase of the operating systems, so that the requirements on hardware resources of the system on chip are high, the development cost is high, and the difficulty in deploying the display screens and the auxiliary connecting lines of the display screens is increased.
Disclosure of Invention
In order to solve the defects in the prior art, the application aims to provide a multi-operating-system on-screen display method and device, layers of a display controller are grouped and then used by each operating system, and when the display requirements of each operating system are met, the resource requirements for the display controller, a display interface and a display screen are reduced.
In order to achieve the above object, the present application provides a method for displaying multiple operating systems on the same screen, including:
the display controller acquires contents to be displayed of each layer from a plurality of operating systems and layout configuration information corresponding to each layer;
based on the layout configuration information corresponding to the layers, the display controller adjusts the corresponding contents to be displayed of the layers and integrates the contents to be displayed of each layer for display;
the display controller comprises a plurality of layer processing units, the layer processing units are configured into a plurality of groups, and the layer processing units in the same group are used for adjusting contents to be displayed in different layers from the same operating system.
Further, the step of configuring the layer processing unit group includes:
determining the number of operating systems and the number of layer requirements of each operating system;
dividing layer processing units of the display controller into a corresponding number of groups based on the number of operating systems;
and dividing the layer processing units with corresponding number to the layer processing unit group corresponding to each operating system based on the layer required number of each operating system.
Further, the layout configuration information includes: resolution information of layers and layer position information.
Further, the display controller directly obtains the content to be displayed of each layer and the layout configuration information corresponding to each layer by accessing the memory of the operating system, or indirectly obtains the content to be displayed of each layer and the layout configuration information corresponding to each layer through the image processor, and the image processor is used for performing image processing on the content to be displayed of each layer.
Further, each operating system uses one image processor separately.
Further, at least two operating systems share one image processor.
In order to achieve the above object, the present application further provides a multi-operating system on-screen display device, including:
the display controller is used for adjusting the corresponding contents to be displayed of the layers based on the layout configuration information corresponding to the layers and integrating the contents to be displayed of each layer into screen display contents for display;
the display unit is connected with the display controller through a display interface and is used for displaying the screen display content;
the display controller comprises a plurality of layer processing units, the layer processing units are configured into a plurality of groups, and the layer processing units in the same group are used for adjusting contents to be displayed in different layers from the same operating system.
Further, the on-screen display device further comprises an image processor, wherein the image processor is used for performing image processing on the content to be displayed on the layer before the content to be displayed on the layer enters the display controller.
Further, the image processor is used independently by one operating system or is shared by at least two operating systems.
To achieve the above object, the present application further provides a multi-operating system display chip, including: the multi-operating system on-screen display device is described above.
To achieve the above object, the present application further provides a circuit board, including: the multi-os display chip as described above.
To achieve the above object, the present application also provides an electronic device, including: at least one processor and memory; the memory stores computer-executable instructions; the at least one processor executes the computer-executable instructions stored by the memory to cause the at least one processor to perform the steps of the multi-operating-system on-screen display method as described above.
To achieve the above object, the present application further provides a computer-readable storage medium having a computer program stored thereon, where the computer program executes the steps of the multi-os on-screen display method as described above.
Compared with the prior art, the method and the device for displaying the multiple operating systems on the same screen have the following beneficial effects:
the application reduces the hardware resource requirements of the system on chip on the display controller and the display interface, so that a plurality of operating systems are displayed on the display screen on the same screen after the display data are integrated through one display controller, and the efficient utilization of the display controller is realized.
Drawings
The above and other features, advantages and aspects of various embodiments of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings. Like reference symbols in the various drawings indicate like elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
FIG. 1 is a diagram illustrating a structure of a multi-OS display in the prior art;
fig. 2 is a flowchart of a multi-operating system on-screen display method provided in embodiment 1 of the present application;
fig. 3 is a schematic flowchart of a configuration layer processing unit group provided in embodiment 1 of the present application;
fig. 4 is a schematic diagram of a multi-os on-screen display device according to embodiment 2 of the present application;
fig. 5 is a schematic diagram of screen display contents of a display screen provided in embodiment 2 of the present application;
fig. 6 is a schematic diagram of a multi-os on-screen display device according to embodiment 3 of the present application;
fig. 7 is a schematic diagram of screen display contents of a display screen provided in embodiment 3 of the present application.
Detailed Description
Embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present application. It should be understood that the drawings and embodiments of the present application are for illustration purposes only and are not intended to limit the scope of the present application.
It should be understood that the various steps recited in the method embodiments of the present application may be performed in a different order and/or in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present application is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It is noted that references to "a", "an", and "the" modifications in this application are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that reference to "one or more" unless the context clearly dictates otherwise. "plurality" is to be understood as two or more.
Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings.
Example 1
Fig. 1 is a schematic structural diagram of simultaneous display of multiple operating systems in the prior art, as shown in fig. 1, in the prior art, to meet the display requirements of an operating system 101, an operating system 201, and an operating system 301, a set of independent display controller, a set of display interface, and a set of display screen need to be respectively set for each operating system, that is, for the operating system 101, a display controller 102, a display interface 103, and a display screen 104 that are used separately and connected in sequence need to be set; for the operating system 201, a display controller 202, a display interface 203 and a display screen 204 which are used independently and connected in sequence are arranged; for the operating system 301, a display controller 302, a display interface 303, and a display screen 304 are provided for separate use and connected in sequence.
One embodiment of the present application provides a method for displaying a plurality of operating systems on the same screen, which is used to display the display contents of the plurality of operating systems on the same display screen.
Fig. 2 is a flowchart of a multi-operating system on-screen display method provided in application embodiment 1, and the multi-operating system on-screen display method of the present application will be described in detail with reference to fig. 2:
step S101: the display controller acquires contents to be displayed of each layer from a plurality of operating systems and layout configuration information corresponding to each layer;
step S102: based on the layout configuration information corresponding to the layers, the display controller adjusts the corresponding contents to be displayed of the layers and integrates the contents to be displayed of each layer for display;
the display controller comprises a plurality of layer processing units, the layer processing units are configured into a plurality of groups, and the layer processing units in the same group are used for adjusting contents to be displayed in different layers from the same operating system.
In another possible embodiment, when integrating the to-be-displayed content of each layer, the display controller performs pixel superposition on the display content of each layer according to a specific sequence to form a single-layer screen display content that can be displayed on the screen, or may adopt other integration manners, for example, adjusting the layer sequence to perform pixel superposition to form a single-layer screen display content that can be displayed on the screen, or performing pixel superposition according to a specific sequence to form a double-layer screen display content that can be displayed on the screen, and the like, which are not described herein again.
In a possible implementation manner, the integrating the content to be displayed of each layer for displaying includes storing the image data with display generated after the integrating in a display cache for a display to read and display on a hardware screen.
It should be noted that, in an application scenario, a multi-os refers to an os having multiple display requirements working simultaneously, and the multi-os displays on the same screen refers to a display content of multiple os displayed on the same screen at the same time. Taking a vehicle-mounted scene as an example, an entertainment system, a navigation system, an instrument system, a control panel system, and the like are usually installed on an automobile central control tablet system. However, if the method of this embodiment is used, the number of hardware resources such as the display controller, the display interface, and the display screen can be reduced, and the content to be displayed by each system is displayed on the same display screen according to the requirement, so that not only the space occupation of the display screen in the vehicle body is reduced, but also the hardware resources are saved.
Fig. 3 is a schematic flowchart of a process of configuring a layer processing unit group according to embodiment 1 of the present application, and as shown in fig. 3, configuring the layer processing unit group includes the following steps:
step S1031: determining the number of operating systems and the number of layer requirements of each operating system;
step S1032: dividing layer processing units of the display controller into a corresponding number of groups based on the number of operating systems;
step S1033: and dividing the layer processing units with the corresponding number to the layer processing unit group corresponding to each operating system based on the layer number requirement and the capacity requirement of each operating system.
By using the method of the embodiment, the grouping steps of the layer processing units are simplified, the grouping accuracy of the layer processing units is ensured, the error occurrence probability is reduced, the development efficiency of products is improved, and the updating and upgrading of the products are facilitated through a two-step processing mode that the grouping is performed according to the number of the operating systems with the display requirements, and then the layer processing units are distributed into the groups according to the display requirements of the operating systems.
It can be understood that the number of layer processing units of the display controller should be greater than or equal to the sum of the layer requirements of the operating systems. For example, if the requirement of the 3 operating systems for the same-screen display is to be met, the layer requirements of the 3 operating systems are 2, 3, and 1, respectively, and the number of layer processing units of the display controller is at least 6 at this time.
The layer processing unit is a hardware logic unit inside the display controller, and is configured to obtain content to be displayed in a layer from a storage space corresponding to the storage address according to a format requirement based on the layout configuration information and perform a capability requirement process.
In a possible implementation, the layout configuration information includes at least: resolution information of the layer and layer position information.
In a possible implementation manner, the display controller adjusts the content to be displayed corresponding to the layer, including adjusting the size, the definition, the display area, and the like of the content display area of the layer by the display controller, which is not described herein again.
Preferably, the display controller directly obtains the content to be displayed of each layer and the layout configuration information corresponding to each layer by accessing a memory of the operating system, or indirectly obtains the content to be displayed of each layer and the layout configuration information corresponding to each layer through the image processor, the image processor is used for performing image processing on the content to be displayed of each layer, the image processing capability of the image processor is stronger than that of the display controller, and the image processor can respond to image processing tasks with larger calculation amount, such as identifying vehicles in an image, and drawing red square frames in vehicle areas in the image.
In one possible embodiment, the image processor may be responsive to image processing tasks relating to content to be displayed in a single layer, or may be responsive to image processing tasks relating to content to be displayed in multiple layers.
In another possible implementation, each operating system uses one image processor separately.
In another possible implementation, the image layers of the image processor are used by different operating systems.
In another possible implementation, the multiple image processors may be configured to different operating systems in advance before the product leaves the factory, for different operating system calls, or may receive system scheduling, and respond to different operating system calls as needed during running.
The image processor is added in front of the display controller, so that the image processing capacity is enhanced, the operating system can finish more complex image processing tasks, display conflicts are avoided when a plurality of operating systems share the same screen to display after the complex tasks are finished, and convenience of cross-operating system interaction is provided.
Example 2
One embodiment of the present application provides a multi-operating system on-screen display device, which is used for displaying display contents of multiple operating systems on the same display screen.
Exemplarily, fig. 4 is a schematic diagram of a multi-os on-screen display device provided in embodiment 2 of the present application, which is used for displaying the display contents of the entertainment system, the navigation system, and the instrumentation system of the system on the car center console on one display screen by using the device.
As shown in fig. 4, includes: entertainment system 403, navigation system 401, and instrumentation system 402, display controller 404, display interface 405, and display screen 406. Each operating system is connected to a display controller 404, and the display controller 404 is connected to a display screen 406 through a display interface 405.
The display controller 404 is configured to obtain layer data and layout configuration information of each operating system, and integrate contents to be displayed in multiple layers of multiple operating systems into screen display contents. The display interface 405 is used to transfer the screen display content to the display screen 406 for display. The display screen 406 is used for displaying screen display content, and the display screen 406 may include, but is not limited to, an LCD liquid crystal screen, an OLED liquid crystal screen, and the like.
It should be noted that, in this embodiment, each operating system runs on a system on a central control panel of an automobile, and when the operating system needs to operate a hardware device, a corresponding driver needs to be installed in the operating system, so as to implement operation control on the hardware device.
In this embodiment, 7 layer processing units of the display controller 404 are divided into 3 groups, the layer processing unit 1 and the layer processing unit 2 are used by the navigation system 401, the layer processing unit 3, the layer processing unit 4, and the layer processing unit 5 are used by the meter system 402, and the layer processing unit 6 and the layer processing unit 7 are used by the entertainment system 403.
In the formal operation, the operating system needs to initialize the display controller 404, the display interface 405, and the display screen 406, and the operating system that executes the initialization is any one of the operating systems.
It should be noted that the layout configuration information includes: resolution information of the layer and layer position information.
In a possible implementation manner, all the layout configuration information may be stored in a specific storage area in advance for being read by each operating system, and each operating system invokes a layer processing unit in the display controller according to the layout configuration information to adjust the content to be displayed in the layer corresponding to the operating system. And the layer processing unit receives the layout configuration information transmitted by each operating system, executes the configuration instruction of the operating system and processes the content to be displayed of the corresponding layer. The layout configuration information transmitted by each operating system may be a part of all the layout configuration information related to the operating system.
In another possible implementation, the layout configuration information may be changed, and the operating system may read the updated layout configuration information and adjust the content to be displayed in the corresponding layer.
Fig. 5 is a schematic diagram of screen display contents of a display screen provided in embodiment 2 of the present application; as shown in fig. 5, there is displayed thereon the display contents of the respective operating systems on the display screen, wherein an entertainment system interface 4032 is located at a lower position of the display screen, a navigation system interface 4012 is located at an upper position of the display screen, and an instrumentation system interface 4022 is superimposed on the navigation system interface 4012. It should be noted that the transparency of the navigation system interface 4012 is different from that of the meter system interface 4022.
Example 3
One embodiment of the present application provides a multi-operating system on-screen display device, which is used for displaying display contents of multiple operating systems on the same display screen.
Fig. 6 is a schematic view of a multi-os on-screen display device according to embodiment 3 of the present application, and as shown in fig. 6, the differences between embodiment 3 and embodiment 2 of the present application are:
the display controller 404 has 10 layer processing units in total, and the layer processing unit 1 and the layer processing unit 2 are used by the navigation system 401, the layer processing unit 3, the layer processing unit 4, and the layer processing unit 5 are used by the meter system 402, the layer processing unit 6 and the layer processing unit 7 are used by the entertainment system 403, and the layer processing unit 8, the layer processing unit 9, and the layer processing unit 10 are used by the control panel system 407.
Data of the meter system 402, the entertainment system 403 and the navigation system 401 are processed by respective image processors when entering the display controller, and the navigation system 401 is provided with the image processor 4011, the meter system 402 is provided with the image processor 4021, and the entertainment system 403 is provided with the image processor 4031.
Fig. 7 is a schematic diagram of screen display contents of a display screen provided in embodiment 3 of the present application, as shown in fig. 7, a navigation system interface 4012 is located in an upper left area of the display screen 406, an instrumentation system interface 4022 is located in a lower left area of the display screen 406, a control panel system interface 4072 is located in an upper right area of the display screen 406, an entertainment system interface 4032 is located in a lower right area of the display screen, and the operating system interfaces are not overlapped.
Example 4
An embodiment of the present application further provides a multi-operating system display chip, including: the multi-operating system on-screen display device of the above embodiment.
Example 5
An embodiment of the present application further provides a circuit board, including: the multi-os display chip of the above embodiment.
Example 6
An embodiment of the present application also provides an electronic device, including: at least one processor and memory; the memory stores computer execution instructions; the at least one processor executes the computer-executable instructions stored in the memory, so that the at least one processor executes the steps of any one of the multi-operating-system on-screen display methods.
Example 7
An embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored, where the computer program executes the steps of the multi-operating-system on-screen display method as described above.
The above description is only a few embodiments of the present application and is intended to be illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the spirit of the disclosure. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the application. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (11)
1. A multi-operating system on-screen display method comprises the following steps:
the display controller obtains contents to be displayed of each layer from a plurality of operating systems and layout configuration information corresponding to each layer, the layout configuration information is stored in a specific storage area in advance for each operating system to read, and the layout configuration information comprises: resolution information and position information of the layer;
based on the layout configuration information corresponding to the layers, the display controller adjusts the corresponding contents to be displayed of the layers and integrates the contents to be displayed of each layer for display;
the display controller comprises a plurality of layer processing units, the layer processing units are hardware logic units inside the display controller, the layer processing units are configured into a plurality of groups, and the layer processing units in the same group are used for adjusting contents to be displayed in different layers from the same operating system;
the step of configuring the layer processing unit group comprises the following steps: determining the number of operating systems and the number of layer requirements of each operating system; dividing layer processing units of the display controller into a corresponding number of groups based on the number of operating systems; and dividing the layer processing units with corresponding number to the layer processing unit group corresponding to each operating system based on the layer required number of each operating system.
2. The method according to claim 1, wherein the display controller directly obtains the content to be displayed of each layer and the layout configuration information corresponding to each layer by accessing a memory of the operating system, or indirectly obtains the content to be displayed of each layer and the layout configuration information corresponding to each layer by using an image processor, and the image processor is configured to perform image processing on the content to be displayed of each layer.
3. The method for on-screen display of multiple operating systems according to claim 2, wherein each operating system uses one image processor separately.
4. The multi-os on-screen display method according to claim 2, wherein at least two os share one image processor.
5. A multi-os on-screen display device, the device being a device for performing the method of any one of claims 1-4, comprising:
the display controller is used for adjusting the corresponding contents to be displayed of the layers based on the layout configuration information corresponding to the layers, and integrating the contents to be displayed of each layer into screen display contents for display;
the display unit is connected with the display controller through a display interface and is used for displaying the screen display content;
the display controller comprises a plurality of layer processing units, the layer processing units are configured into a plurality of groups, and the layer processing units in the same group are used for adjusting contents to be displayed in different layers from the same operating system.
6. The multi-os on-screen display device according to claim 5, further comprising an image processor, wherein the image processor is configured to perform image processing on the to-be-displayed content of the layer before the to-be-displayed content of the layer enters the display controller.
7. The multi-os on-screen display device of claim 6, wherein the image processor is used independently by one os or is shared by at least two os.
8. A multi-os display chip, comprising: the multi-os on-screen display device of any one of claims 5-7.
9. A circuit board, comprising: the multiple operating system display chip of claim 8.
10. An electronic device, comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the steps of the multi-operating system on-screen display method of any of claims 1-4.
11. A computer-readable storage medium having a computer program stored thereon, wherein the computer program is executed to perform the multi-os on-screen display method according to any one of claims 1 to 4.
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| US8462018B1 (en) * | 2011-05-26 | 2013-06-11 | Rockwell Collins, Inc. | Systems and method for controlling the simultaneous display of multi-level classified information on the same surface of an aircraft display unit |
| CN205930550U (en) * | 2016-05-03 | 2017-02-08 | 东莞市健创电子有限公司 | Compatible all vehicle type's trinity LCD driven liquid crystal instrument board operation platform |
| US10409398B1 (en) * | 2016-08-10 | 2019-09-10 | Rockwell Collins, Inc. | Aircraft rapid access display system, device, and method |
| CN106354455B (en) * | 2016-08-17 | 2019-09-13 | 青岛海信电器股份有限公司 | Man-machine interface display processing unit and its method |
| US10713747B2 (en) * | 2018-06-08 | 2020-07-14 | Honeywell International Inc. | System and method for distributed processing of graphic server components |
| CN110618746B (en) * | 2019-08-12 | 2021-05-25 | 瑞芯微电子股份有限公司 | Soc power consumption and performance optimization device and method based on display processing logic |
| CN110641382B (en) * | 2019-09-10 | 2023-06-16 | 沈阳中科创达软件有限公司 | Vehicle-mounted interface display method and device, electronic equipment and storage medium |
| CN111274618B (en) * | 2020-01-13 | 2022-10-21 | Oppo广东移动通信有限公司 | Display control method and related product |
| CN111343492B (en) * | 2020-02-17 | 2022-02-22 | 海信电子科技（深圳）有限公司 | Display method and display device of browser in different layers |
| CN111708587A (en) * | 2020-08-24 | 2020-09-25 | 广州汽车集团股份有限公司 | Device and method for realizing multimode application of vehicle-mounted air conditioner screen display |
| CN115556862A (en) * | 2021-06-30 | 2023-01-03 | 浙江春风动力股份有限公司 | Motorcycle with a motorcycle body |
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