CN111611040A - Display control method, system, medium and terminal of low-configuration vehicle-mounted system - Google Patents
Display control method, system, medium and terminal of low-configuration vehicle-mounted system Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000004913 activation Effects 0.000 claims abstract description 28
- 230000003068 static effect Effects 0.000 claims abstract description 13
- 230000003213 activating effect Effects 0.000 claims description 24
- 238000004590 computer program Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 6
- 238000009877 rendering Methods 0.000 description 5
- 230000010354 integration Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/445—Program loading or initiating
- G06F9/44505—Configuring for program initiating, e.g. using registry, configuration files
- G06F9/4451—User profiles; Roaming
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Abstract
The invention provides a display control method, a display control system, a display control medium and a display control terminal of a low-configuration vehicle-mounted system, wherein the method comprises the following steps: leading configuration information of each display application of the vehicle-mounted system into a layer management server through a layer management client; analyzing and configuring display layer attributes of each display application in the vehicle-mounted system according to the layer management server, converting the display layer attributes into static arbitration reports and storing the static arbitration reports; the application applying for activation sends out a request, and the layer management server sends out a display control instruction to the current display application and the application applying for activation display according to the arbitration table report and performs display control.
Description
Technical Field
The invention belongs to the technical field of vehicle-mounted entertainment systems, and particularly relates to a display control method, a display control system, a display control medium and a display control terminal of a low-configuration vehicle-mounted system.
Background
For a system with high hardware configuration, a complex window system scheme is often adopted, for example, an Android display subsystem mainly comprises an activity manager service ams (activity manager service), a window manager service wms (windowmanager service) and a display synthesis system surfaflinger; or an application display scheme adopting QT + Wayland in a Linux system. However, in a system with low hardware configuration, considerable system resources are often required for the operation of the display subsystem, and all applications are required to be developed based on the display framework provided by the system.
On the other hand, for low-cost in-vehicle entertainment systems, there are more restrictions on the use of system resources, and at the same time, there is a need to integrate many third-party applications, such as: carplay, Carlife, navigation, Web applications, etc. are often developed using respective inherited display frames, and when integrated into a new system, it is difficult to unify the applications into the same set of display frames, so that the system is required to provide a more flexible application display integration scheme.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a display control method, system, medium and terminal for a low-configuration in-vehicle system, which are used to solve the problem that the display application in the low-configuration in-vehicle system in the prior art is difficult to control.
In order to achieve the above objects and other related objects, the present invention provides a display control method of a low-profile in-vehicle system, comprising the steps of: leading configuration information of each display application of the vehicle-mounted system into a layer management server through a layer management client; analyzing and configuring display layer attributes of each display application in the vehicle-mounted system according to the layer management server, converting the display layer attributes into static arbitration reports and storing the static arbitration reports; and the layer management server sends a display control instruction to the current display application and the application applying for activating and displaying according to the arbitration table report and performs display control.
Preferably, each display application comprises a car backing image, a main interface, a system prompt, a multimedia play, a navigation, a vehicle-mounted projection application of the apple mobile phone and an input method.
Preferably, the arbitration report includes the following conditions:
responding to the request for applying for activating the displayed application, activating the application applying for activation, and not acting the currently displayed application;
responding to the request for applying for activating the displayed application, switching to the application applying for activation, suspending the currently displayed application, and continuing to display the currently displayed application after the request for applying for activating the displayed application is finished;
responding to the request for applying for activating the displayed application, switching to the application applying for activation, and releasing the display task of the currently displayed application;
denying the request for activation of the application for activation.
Preferably, the display layer attributes of each display application include an application name, a display priority of the application, a display hierarchy of a frame buffer, whether simultaneous display is possible, whether resume display is allowed, a time required to wait for activation of the display, and a time required to wait for exit of the display.
Preferably, the application name of each display application is unique.
Preferably, the display priority of the application includes priority 0, priority 1, priority 2, and priority 3, where priority 0 is the highest priority and priority 3 is the lowest priority.
Preferably, the display layer attributes of each display application are configured by a system template, and the system template is configured by the layer management server control.
The invention also provides a display control system of the low-configuration vehicle-mounted system, which comprises the following components: the system comprises an importing module and an arbitration module, wherein the importing module imports the configuration information of each display application of the vehicle-mounted system into a layer management server through a layer management client, and the arbitration module analyzes and configures the display layer attribute of each display application in the vehicle-mounted system through the layer management server, converts the display layer attribute into a static arbitration table report and stores the arbitration table report; and the display module is used for applying for the activated application to send a request and enabling the layer management server to send a display control instruction to the current display application and the application applying for the activated display according to the arbitration report and perform display control.
The present invention provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the display control method of the low-configuration in-vehicle system described above.
The present invention also provides a terminal, including: a processor and a memory; the memory is used for storing a computer program; the processor is used for executing the computer program stored in the memory so as to enable the terminal to execute the display control method of the low-configuration vehicle-mounted system.
As described above, the display control method, system, medium and terminal of the low-configuration in-vehicle system according to the present invention have the following advantages:
by introducing the method for generating the arbitration report, the complexity of the judging process of the system is simplified, the arbitration time is shortened, and when the business logic changes, the updating of the business logic can be realized only by updating and modifying the configuration information; meanwhile, the invention only controls the frame buffer, and each display application can select different rendering methods according to the convenience of integration and development, thereby having higher flexibility.
Drawings
FIG. 1 is a schematic diagram illustrating a working flow of a display control method according to the present invention;
FIG. 2 is a schematic diagram of the vehicle system components of the present invention;
FIG. 3 illustrates a priority view of various display applications in an embodiment of the present invention;
FIG. 4 is a diagram illustrating arbitration table contents according to an embodiment of the present invention;
FIG. 5 is a schematic diagram illustrating an arbitration flow of the display control method according to the present invention;
FIG. 6 is a schematic diagram illustrating a working process of the display control system according to the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided by way of specific examples, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than the number, shape and size of the components in practical implementation, and the type, quantity and proportion of the components in practical implementation can be changed freely, and the layout of the components can be more complicated.
According to the display control method, the display control system, the display control medium and the display control terminal of the low-configuration vehicle-mounted system, disclosed by the invention, the judgment flow complexity of the system is simplified and the arbitration time is shortened by introducing the method for generating the arbitration report, and when the service logic changes, the updating of the service logic can be realized only by updating and modifying the configuration information; meanwhile, the invention only controls the frame buffer, and each display application can select different rendering methods according to the convenience of integration and development, thereby having higher flexibility.
As shown in fig. 1, in an embodiment, the display control method of a low-configuration in-vehicle system of the present invention includes the following steps:
s100, importing configuration information of each display application of the vehicle-mounted system into a layer management server through a layer management client.
S200, display layer attributes of each display application in the vehicle-mounted system are analyzed and configured according to the layer management server, the display layer attributes are converted into static arbitration reports and stored, and the storage path is a memory of the vehicle-mounted system.
The specific arbitration table report includes the following four conditions:
responding to the request for applying for activating the displayed application, activating the application applying for activation, and not acting the currently displayed application;
responding to the request for applying for activating the displayed application, switching to the application applying for activation, suspending the currently displayed application, and continuing to display the currently displayed application after the request for applying for activating the displayed application is finished;
responding to the request for applying for activating the displayed application, switching to the application applying for activation, and releasing the display task of the currently displayed application;
denying the request for activation of the application for activation.
S300, the activated application sends a request, and the layer management server sends a display control instruction to the current display application and the activated application according to the arbitration report and performs display control.
The display applications respectively comprise a car backing image, a main interface, a system prompt, multimedia playing, navigation, a vehicle-mounted projection application of the apple mobile phone and an input method.
In one possible implementation, the display layer attributes of each display application include an application name, a display priority of the application, a display hierarchy of a frame buffer, whether simultaneous display is possible, whether resume display is allowed, a time to wait for activation of the display, and a time to wait for exit of the display.
It should be noted that the application name of each display application is unique.
Preferably, the display priority of the application includes priority 0, priority 1, priority 2, and priority 3, where priority 0 is the highest priority and priority 3 is the lowest priority.
In a possible implementation manner, the display layer attribute of each display application is configured by a system template, and the system template is configured by the layer management server side control.
The following specific examples are provided:
as shown in fig. 2, 7 display applications with different priorities are installed in the in-vehicle system, including: the system comprises a car backing image, a main interface, system prompt, multimedia playing, navigation, vehicle-mounted projection application of the apple mobile phone and an input method.
Specifically, the main interface is called MainGUI for short, the reverse image is called RVC for short, the input method is called IME for short, the vehicle-mounted projection application of the apple mobile phone is called Carplay for short, the vehicle-mounted Navigation is called Navigation or Navi for short, the media player is called MPlayer for short, and the system prompt is called Notification for short.
As shown in fig. 2 and fig. 3, first, the priorities and attributes of all display applications in the system are configured according to the system template, each application is assigned a unique application ID, and each application further includes various attribute values, where the attribute values are defined as follows:
sName-application name;
ePriority-display priority of application (0 being highest priority, 3 being lowest priority);
EZOrder-display level of frame buffer (0 for frame buffer 0, 1 for frame buffer 1);
whether the bTranslatency-application can be simultaneously displayed (0 means simultaneous display is not supported, 1 means simultaneous display is supported);
bResumable — whether the application allows the display to be restored (0 for non-recoverable display, 1 for recoverable display);
uActiveTimeout — time (in ms) that the activation display needs to wait;
uDeactivetimeout-the time (in ms) the exit display needs to wait.
And converting the leather containment information into a priority view according to the above information, as shown in fig. 3, then analyzing the display layer attribute of each application on the whole by the layer management server, and converting the display layer attribute into a static arbitration table, as shown in fig. 4, notifying the current display application and the application applying for activation display by the layer management server according to the result after arbitration, and respectively controlling the display conditions of the current display application and the application applying for activation display application.
Specifically, as shown in fig. 5, fig. 5 is a schematic diagram of an arbitration flow, when an application for activation display is requested, the arbitration table report is searched, and then it is determined whether the request is "a request for activating the application for activation" is rejected, and if the request is "the request for activating the application for activation" is directly rejected; if not, continuously judging whether the application is not acted, if yes, responding to the request, keeping the displayed application unchanged, starting to activate the application, waiting for the application display application to start rendering frame buffering, setting waiting timeout, receiving a response of the application display application within the timeout time, saving the switched layer display state, and entering error processing and recovering the previous state if the response is not received within the timeout time; if not, continuously judging whether the current display application is switched to the application applying for activation and the display task of the current display application is released or not, if so, canceling the activation state of the current display application, waiting for the current display application to stop rendering frame buffering, setting cancellation timeout time, receiving the response of the current display application within the timeout time, entering an activation application flow, and if not, entering error processing and recovering the previous layer display state; if not, continuously judging whether the request is ' response to the application request applying for activating and displaying ', switching to the application applying for activating, suspending the current display application, and after the application request applying for activating is finished, continuously displaying the current display application ', if so, adding the current display application into a waiting queue, and entering a process of canceling the current display flow and activating the application flow.
As shown in fig. 6, the display control system of the low-profile in-vehicle system of the present invention includes:
the importing module imports the configuration information of each display application of the vehicle-mounted system into the layer management server through the layer management client,
the arbitration module analyzes and configures the display layer attributes of each display application in the vehicle-mounted system through the layer management server, converts the display layer attributes into static arbitration reports and stores the static arbitration reports;
and the display module is used for applying for the activated application to send a request and enabling the layer management server to send a display control instruction to the current display application and the application applying for the activated display according to the arbitration report and perform display control.
Since the content and the principle of the control system of the present invention correspond to those of the control method described above, the detailed description thereof is omitted.
It should be noted that the division of the modules of the above system is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the x module may be a processing element that is set up separately, or may be implemented by being integrated in a chip of the system, or may be stored in a memory of the system in the form of program code, and the function of the x module may be called and executed by a processing element of the system. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more Digital Signal Processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), etc. For another example, when one of the above modules is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
The present invention further provides a storage medium having stored thereon a computer program which, when executed by a processor, implements the display control method of the low-configuration in-vehicle system described above.
The storage medium of the present invention stores thereon a computer program that, when executed by a processor, implements the display control method of the low-configuration in-vehicle system described above. The storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic disk, U-disk, memory card, or optical disk.
The terminal of the invention comprises a processor and a memory;
the memory is used for storing a computer program;
the processor is used for executing the computer program stored in the memory so as to enable the terminal to execute the display control method of the low-configuration vehicle-mounted system.
Preferably, the memory comprises: various media that can store program codes, such as ROM, RAM, magnetic disk, U-disk, memory card, or optical disk.
The processor is connected with the memory and is used for executing the computer program stored in the memory so as to enable the terminal to execute the display control method of the low-configuration vehicle-mounted system.
Preferably, the Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; the integrated Circuit may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, or discrete hardware components.
It should be noted that the display control system of the low-configuration on-board system of the present invention can implement the display control method of the low-configuration on-board system of the present invention, but the implementation apparatus of the display control method of the low-configuration on-board system of the present invention includes, but is not limited to, the structure of the display control system of the low-configuration on-board system as illustrated in the present embodiment, and all structural modifications and substitutions in the prior art made according to the principle of the present invention are included in the protection scope of the present invention.
In summary, according to the display control method, the display control system, the display control medium and the display control terminal of the low-configuration vehicle-mounted system, the arbitration table report generation method is introduced, the judgment process complexity of the system is simplified, the arbitration time is shortened, and when the service logic changes, the update of the service logic can be realized only by updating and modifying the configuration information; meanwhile, the invention only controls the frame buffer, and each display application can select different rendering methods according to the convenience of integration and development, thereby having higher flexibility; therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A display control method of a low-configuration vehicle-mounted system is characterized by comprising the following steps:
leading configuration information of each display application of the vehicle-mounted system into a layer management server through a layer management client;
analyzing and configuring display layer attributes of each display application in the vehicle-mounted system according to the layer management server, converting the display layer attributes into static arbitration reports and storing the static arbitration reports;
and the layer management server sends a display control instruction to the current display application and the application applying for activating and displaying according to the arbitration table report and performs display control.
2. The display control method of the low-configuration vehicle-mounted system according to claim 1, wherein each display application comprises a back-up image, a main interface, a system prompt, a multimedia play, a navigation, a vehicle-mounted projection application of an apple mobile phone, and an input method.
3. The display control method of a low-configuration in-vehicle system according to claim 1, wherein the arbitration report comprises the following conditions:
responding to the request for applying for activating the displayed application, activating the application applying for activation, and not acting the currently displayed application;
responding to the request for applying for activating the displayed application, switching to the application applying for activation, suspending the currently displayed application, and continuing to display the currently displayed application after the request for applying for activating the displayed application is finished;
responding to the request for applying for activating the displayed application, switching to the application applying for activation, and releasing the display task of the currently displayed application;
denying the request for activation of the application for activation.
4. The display control method of a low-configuration in-vehicle system according to any one of claims 1 to 3, wherein the display layer attributes of each display application include an application name, a display priority of the application, a display hierarchy of a frame buffer, whether simultaneous display is possible, whether display resumption is allowed, a time required to wait for activating display, and a time required to wait for exiting display.
5. The display control method of a low-configuration in-vehicle system according to claim 4, wherein an application name of each display application is unique.
6. The display control method of the low-configuration vehicle-mounted system according to claim 1, wherein the display priorities of the applications comprise priority 0, priority 1, priority 2 and priority 3, wherein the priority 0 is the highest priority and the priority 3 is the lowest priority.
7. The display control method of the low-configuration vehicle-mounted system according to claim 4, wherein the display layer attributes of each display application are configured through a system template, and the system template is configured through control of the layer management server.
8. A display control system for a low-profile in-vehicle system, comprising:
the importing module is used for importing the configuration information of each display application of the vehicle-mounted system into the layer management server through the layer management client,
the arbitration module is used for analyzing and configuring display layer attributes of each display application in the vehicle-mounted system according to the layer management server, converting the display layer attributes into static arbitration reports and storing the static arbitration reports;
and the display module is used for applying for the activated application to send a request and enabling the layer management server to send a display control instruction to the current display application and the application applying for the activated display according to the arbitration report and perform display control.
9. A storage medium having stored thereon a computer program, characterized in that the computer program, when executed by a processor, implements the display control method of a low-configuration in-vehicle system of any one of claims 1 to 7.
10. A terminal, comprising: a processor and a memory;
the memory is used for storing a computer program;
the processor is configured to execute the computer program stored in the memory to cause the terminal to perform claim 1
The display control method of the low-configuration in-vehicle system according to any one of claims 7.
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