CN112078516B - Display parameter dynamic adjustment method and device, vehicle and storage medium - Google Patents
Display parameter dynamic adjustment method and device, vehicle and storage medium Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
- B60K35/22—Display screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/29—Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/18—Information management
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The embodiment of the application discloses a method and a device for dynamically adjusting a display refresh rate, a vehicle and a storage medium. The method comprises the following steps: detecting the running state of the vehicle-mounted application of the vehicle-mounted system; when the vehicle-mounted application is detected to be started, acquiring display parameters corresponding to the started vehicle-mounted application; and displaying the started vehicle-mounted application based on the display parameters. By the method, different vehicle-mounted applications in the vehicle-mounted system can be switched to different display parameters, so that the display requirements of different vehicle-mounted applications are met without using the uniform display parameters with the highest performance, the workload of a processor of the vehicle-mounted system can be reduced, the power consumption of the processor of the vehicle-mounted system is reduced, and the heat generation of the processor of the vehicle-mounted system is reduced.
Description
Technical Field
The present application relates to the field of intelligent vehicle technologies, and in particular, to a method and an apparatus for dynamically adjusting display parameters, a vehicle, and a storage medium.
Background
Along with the development of vehicle-mounted electronics, the display screen size of a vehicle-mounted system is larger and larger, more and more functions and control are realized in the vehicle-mounted system, and the display parameters of the vehicle-mounted system are also continuously improved so as to meet the requirements of different vehicle-mounted applications. The related display parameter adjusting method is based on the vehicle-mounted applications and functions of all vehicle-mounted systems, adopts uniform display parameters, and always meets the display requirements of different vehicle-mounted applications by using the highest display parameters. Such an operation method can cause the processor of the vehicle-mounted system to be always under a high workload, and the power consumption is high and the heat generation is serious.
Disclosure of Invention
In view of the above problems, the present application provides a method, an apparatus, a vehicle, and a storage medium for dynamically adjusting display parameters, so as to improve the above problems.
In a first aspect, the present application provides a method for dynamically adjusting display parameters, where the method includes: detecting the running state of the vehicle-mounted application of the vehicle-mounted system; when the vehicle-mounted application is detected to be started, acquiring display parameters corresponding to the started vehicle-mounted application; and displaying the started vehicle-mounted application based on the display parameters.
In a second aspect, the present application provides an apparatus for dynamically adjusting display parameters, the apparatus comprising: the state detection unit is used for detecting the running state of the vehicle-mounted application of the vehicle-mounted system; the parameter acquisition unit is used for acquiring display parameters corresponding to the started vehicle-mounted application when the vehicle-mounted application is detected to be started; and the display unit is used for displaying the started vehicle-mounted application based on the display parameters.
In a third aspect, the present application provides a vehicle comprising one or more processors and memory; one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the methods described above.
In a fourth aspect, the present application provides a computer-readable storage medium having program code stored therein, the program code being invoked by a processor to perform the method described above.
According to the dynamic display parameter adjusting method and device, the vehicle and the storage medium, the running state of the vehicle-mounted application of the vehicle-mounted system is detected, when the vehicle-mounted application is detected to be started, the display parameter corresponding to the started vehicle-mounted application is obtained, and the started vehicle-mounted application is displayed based on the display parameter. By the method, different vehicle-mounted applications in the vehicle-mounted system can be switched to different display parameters, so that the display requirements of different vehicle-mounted applications are not met by using the uniform display parameters with the highest performance, the workload of a processor of the vehicle-mounted system can be reduced, the power consumption of the processor of the vehicle-mounted system is reduced, and the heat generation of the processor of the vehicle-mounted system is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart illustrating a method for dynamically adjusting display parameters according to the present application;
FIG. 2 is a schematic diagram illustrating various display parameters in a dynamic display parameter adjustment method proposed in the present application;
FIG. 3 is a flow chart illustrating another method for dynamically adjusting display parameters according to the present application;
fig. 4 is a flowchart illustrating another method for dynamically adjusting display parameters according to the present application;
FIG. 5 is a flow chart illustrating a further method for dynamically adjusting display parameters proposed in the present application;
fig. 6 is a block diagram illustrating a structure of a display parameter dynamic adjustment apparatus according to the present application;
fig. 7 is a block diagram illustrating a structure of another display parameter dynamic adjustment apparatus proposed in the present application;
FIG. 8 is a block diagram illustrating a vehicle configured to execute a method for dynamically adjusting display parameters according to an embodiment of the present application;
fig. 9 is a storage medium storing or carrying program code for implementing a method for dynamically adjusting display parameters according to an embodiment of the present application.
Detailed Description
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 only a part of the embodiments of the present application, and not all of the 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.
Along with the development of vehicle-mounted electronics, the display screen of a vehicle-mounted system is larger and larger in size, more and more functions and control are realized in the vehicle-mounted system, and the display parameters of the vehicle-mounted system are also continuously improved so as to meet the requirements of different vehicle-mounted applications on the display parameters of the display screen.
The inventor finds out in research on a related display parameter dynamic adjustment method that the related display parameter adjustment method is based on vehicle-mounted applications and functions of all vehicle-mounted systems, adopts uniform display parameters, and always meets the display requirements of different vehicle-mounted applications by using the highest display parameters. Such an operation method causes the processor of the vehicle-mounted system to be always under a high workload, and the processor consumes more power and generates heat seriously.
Therefore, the inventor proposes a method, an apparatus, a vehicle, and a storage medium for detecting an operating state of a vehicle-mounted application of a vehicle-mounted system in the present application, acquiring a display parameter corresponding to the started vehicle-mounted application when it is detected that the vehicle-mounted application is started, displaying the started vehicle-mounted application based on the display parameter, and switching to a different display parameter for different vehicle-mounted applications in the vehicle-mounted system, so that a uniform display parameter with the highest performance is no longer used to meet display requirements of different vehicle-mounted applications, and a workload of a processor of the vehicle-mounted system can be reduced, thereby reducing power consumption of the processor of the vehicle-mounted system, and reducing heat generation of the processor of the vehicle-mounted system.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1, a method for dynamically adjusting display parameters provided in the present application is applied to a vehicle-mounted system, and the method includes:
step 110: and detecting the running state of the vehicle-mounted application of the vehicle-mounted system.
The vehicle-mounted system is a vehicle-mounted infotainment system and can comprise a processor, a display screen and a display driver. The vehicle-mounted application is an application program installed in the vehicle-mounted infotainment system, and the vehicle-mounted application can be navigation application, music application, radio, video application and the like. The vehicle-mounted system is a terminal which is important in the direction of the Internet of vehicles, and can acquire user information more directly and quickly and interact with a user. Various vehicle-mounted applications can be installed in the vehicle-mounted system, and the problems can be more quickly processed through the vehicle-mounted applications. The vehicle-mounted application can not only collect information quickly, but also transmit the current state through a network. Furthermore, under the support of a 5G network, the vehicle can carry out faster and convenient operation through vehicle-mounted application. Optionally, in the aspect of safety, the vehicle can be controlled more effectively by more targeted vehicle-mounted application, so that the vehicle can run more safely and stably, and the safety of the vehicle and traffic is ensured.
The running state of the vehicle-mounted application can include various states, such as a starting state, a sleeping state and the like.
As one mode, when a control instruction sent by a terminal device is received, the detection of the running state of the vehicle-mounted application of the vehicle-mounted system is triggered. The terminal device may be a device in the same local area network as the vehicle corresponding to the vehicle-mounted system, such as a computer or an intelligent device capable of issuing an instruction. Optionally, the vehicle-mounted application for detecting the operation state may be a vehicle-mounted application specified in the control instruction.
Alternatively, the in-vehicle system may automatically detect the operating state of the in-vehicle application in the in-vehicle system when the in-vehicle system is started.
Step 120: and when the vehicle-mounted application is detected to be started, acquiring a display parameter corresponding to the started vehicle-mounted application.
The display parameters may include a display refresh rate (FPS), a Pixel Clock (PCLK), display synchronization parameters, and the like, where the display synchronization parameters may include parameters as shown in fig. 2, such as a width (H) of display frame data, a height (V) of the display frame data, a horizontal synchronization pulse signal width (HPW), a horizontal front lane (HFP), a horizontal back lane (HBP), a vertical synchronization pulse signal width (VPW), a vertical front lane (VFP), and a vertical back lane (VBP).
The parameters can be converted according to the following calculation formula, and the specific calculation formula is as follows: PCLK ═ H + HPW + HFP + HBP — (V + VPW + VFP + VBP) × FPS, since the display resolution of the display screen is fixed, i.e., H, V are fixed, there are 2 different variables when adapting to different display refresh rates (FPSs). In one case, the display synchronization parameters of the display screen are changed under the condition that the Pixel Clock (PCLK) is fixed, that is, the parameters such as the horizontal synchronization pulse signal width (HPW), the Horizontal Front Porch (HFP), the Horizontal Back Porch (HBP), the vertical synchronization pulse signal width (VPW), the Vertical Front Porch (VFP), and the Vertical Back Porch (VBP) are changed. Alternatively, the Pixel Clock (PCLK) may change with the display synchronization parameter of the display screen fixed. Therefore, the purpose of adjusting the display refresh rate (FPS) of the display screen can be realized by adjusting the display synchronization parameter or the Pixel Clock (PCLK) of the display screen.
In one mode, when the vehicle-mounted system detects that the vehicle-mounted application is started in the vehicle-mounted applications included in the vehicle-mounted system, a preset display parameter corresponding to the started vehicle-mounted application is acquired. Optionally, the status flag of the vehicle-mounted application may be set in advance, when the status flag of the vehicle-mounted application is 1, it is determined that the vehicle-mounted application is in the start state, and when the status flag of the vehicle-mounted application is 0, it is determined that the vehicle-mounted application is in the sleep state. Further, the processor of the vehicle-mounted system may determine whether the vehicle-mounted application is in the activated state according to whether the status flag bit of the vehicle-mounted application is 1.
Optionally, the time length when the status flag of the vehicle-mounted application is 1 may also be obtained, if the time length when the status flag of the vehicle-mounted application is 1 is less than the preset time length, it is determined that the vehicle-mounted application is in the just-started state, and if the time length when the status flag of the vehicle-mounted application is 1 is greater than the preset time length, it is determined that the vehicle-mounted application is in the running state. Further, when the vehicle-mounted application is determined to be in a just-started state, the display parameters corresponding to the started vehicle-mounted application are acquired.
Alternatively, the name of the running process can be detected, and the running name can be used to determine which in-vehicle application is in the running state. When the vehicle-mounted system detects that a process is in the running state, the name of the process in the running state is obtained, and then the vehicle-mounted application in the starting state corresponding to the process is determined through the name of the process.
Step 130: and displaying the started vehicle-mounted application based on the display parameters.
As one mode, based on the display parameters, the display refresh rate of the display screen of the vehicle-mounted system may be changed, and then the display interface of the vehicle-mounted application corresponding to the display parameters may be displayed.
The dynamic display parameter adjustment method provided in this embodiment detects an operation state of a vehicle-mounted application of a vehicle-mounted system, acquires a display parameter corresponding to the started vehicle-mounted application when it is detected that the vehicle-mounted application is started, and displays the started vehicle-mounted application based on the display parameter. By the method, different vehicle-mounted applications in the vehicle-mounted system can be switched to different display parameters, so that the display requirements of different vehicle-mounted applications are not met by using the uniform display parameters with the highest performance, the workload of a processor of the vehicle-mounted system can be reduced, the power consumption of the processor of the vehicle-mounted system is reduced, and the heat generation of the processor of the vehicle-mounted system is reduced.
Referring to fig. 3, a method for dynamically adjusting display parameters provided in the present application is applied to a vehicle-mounted system, and the method includes:
step 210: and acquiring the vehicle-mounted application in the vehicle-mounted system.
As a way of example, acquiring the in-vehicle applications in the in-vehicle system may be understood as acquiring the number of in-vehicle applications included in the in-vehicle system and the type of in-vehicle applications. Further, since the in-vehicle applications are run in the in-vehicle system, the number of the in-vehicle applications included in the in-vehicle system and the types of the in-vehicle applications may be automatically acquired by the in-vehicle system.
Step 220: and configuring corresponding display parameters for the vehicle-mounted application.
As one way, different display parameters may be configured for the vehicle-mounted applications in the vehicle-mounted system according to the number of the vehicle-mounted applications; or different display parameters can be configured for the vehicle-mounted applications in the vehicle-mounted system according to the number of the vehicle-mounted applications and the types of the vehicle-mounted applications.
Optionally, the same vehicle-mounted application may have different display parameters in vehicle-mounted systems including different numbers of vehicle-mounted applications. Specifically, when it is detected that the vehicle-mounted applications are unloaded or added in the vehicle-mounted system, the number of the vehicle-mounted applications in the vehicle-mounted system changes accordingly, and then, when it is detected that the number of the vehicle-mounted applications in the vehicle-mounted system changes, updating of the display parameters corresponding to the vehicle-mounted applications in the vehicle-mounted system can be triggered. Specifically, when vehicle-mounted applications are added in the vehicle-mounted system, the number of the vehicle-mounted applications included in the current vehicle-mounted system is greater than the number of the vehicle-mounted applications included in the original vehicle-mounted system, and when the requirement of the added vehicle-mounted applications for the display parameters is higher than the requirement of the vehicle-mounted applications included in the original vehicle-mounted system for the display parameters, the display parameters of the vehicle-mounted application with the highest rank in the vehicle-mounted applications included in the original vehicle-mounted system are reduced; when the requirement of the added vehicle-mounted application on the display parameter is lower than that of the vehicle-mounted application included in the original vehicle-mounted system, the display parameter of the vehicle-mounted application with the lowest rank in the vehicle-mounted applications included in the original vehicle-mounted system is increased. For example, the original vehicle-mounted system includes 3 vehicle-mounted applications, namely application a, application B, and application C, where application a is the highest-ranked vehicle-mounted application in the 3 applications, and thus a display parameter corresponding to the highest-ranked vehicle-mounted application may be configured for application a. When the in-vehicle system detects that the application D is added, the requirement of the application D on the display parameters is higher than that of the application A, and the application D can be further divided into the in-vehicle applications with the highest grade, so that the display parameters corresponding to the in-vehicle applications with the highest grade can be configured for the application D, and the display parameters of the application A are reduced due to the change of the grade of the application A.
Step 230: and detecting the running state of the vehicle-mounted application of the vehicle-mounted system.
Step 240: and when the vehicle-mounted application is detected to be started, acquiring a display parameter corresponding to the started vehicle-mounted application.
As one way, whether the vehicle-mounted application in the vehicle-mounted system is in the starting state can be judged by detecting whether the vehicle-mounted application is displayed in a display screen of the vehicle-mounted system.
Specifically, when it is detected that a vehicle-mounted application is displayed on a display screen of the vehicle-mounted system, it is determined that the vehicle-mounted application is already in a starting state, and then, a display parameter corresponding to the vehicle-mounted application can be acquired.
As another way, the display screen of the in-vehicle system may display the display interfaces of different in-vehicle applications due to different user operations. Therefore, whether or not any in-vehicle application is in the activated state can be determined by whether or not a user operation is detected. Specifically, when it is detected that a user performs a sliding operation or a clicking operation on a display screen of the vehicle-mounted system, it is determined that a vehicle-mounted application is in a starting state, and when it is determined that the vehicle-mounted application is in the starting state, display parameters corresponding to the started vehicle-mounted application are acquired. Wherein the sliding operation or the clicking operation may be detected by a sensor installed inside the display screen.
Step 250: and displaying the started vehicle-mounted application based on the display parameters.
For detailed explanation of the steps included in step 230 and step 250, reference may be made to the corresponding steps in the foregoing embodiments, which are not described herein again.
The dynamic display parameter adjustment method provided in this embodiment includes first obtaining a vehicle-mounted application in a vehicle-mounted system, configuring corresponding display parameters for the vehicle-mounted application, then detecting an operating state of the vehicle-mounted application of the vehicle-mounted system, obtaining display parameters corresponding to the started vehicle-mounted application when it is detected that the vehicle-mounted application is started, and finally displaying the started vehicle-mounted application according to the display parameters. By the method, different display parameters are configured for the vehicle-mounted application in advance, and when the vehicle-mounted application is detected to be started, the corresponding display parameters are obtained and displayed, so that the intelligence of vehicle-mounted application display is improved.
Referring to fig. 4, a method for dynamically adjusting display parameters provided in the present application is applied to a vehicle-mounted system, and the method includes:
step 310: and acquiring the application requirement of the vehicle-mounted application on the display parameters.
As one way, the application requirement may be an application range of the display parameter set for the in-vehicle application in advance. The application requirements of the vehicle-mounted application on the display parameters can be stored in a specific storage area in advance. Further, when the display parameters need to be configured for the in-vehicle application, the application requirements corresponding to the in-vehicle application can be read from the specific storage area.
Step 320: and dividing the vehicle-mounted applications in the vehicle-mounted system into different grades based on the application requirements.
As one mode, the step of classifying the in-vehicle applications in the in-vehicle system into different levels based on the application requirements includes: acquiring a display refresh rate requirement of the vehicle-mounted application; and sequentially dividing the vehicle-mounted applications with different display refresh rate requirements into multi-stage applications. The higher the display refresh rate requirement is, the higher the grade of the corresponding vehicle-mounted application is.
Specifically, a processor in the vehicle-mounted system identifies each vehicle-mounted application in the vehicle-mounted system, distinguishes the requirements of each vehicle-mounted application for the display refresh rate, divides the vehicle-mounted application having the highest display refresh rate requirement into level 1 applications, divides the vehicle-mounted application having a higher display refresh rate requirement lower than the highest display refresh rate requirement into level 2 applications, sequentially divides the vehicle-mounted applications having the lowest display refresh rate requirement into N-level applications. For example, a current vehicle-mounted system has 4 vehicle-mounted applications, which are an FM player, a video player, a music player, a navigation application, and the like, respectively, a display interface of the FM player is relatively fixed, and a requirement on a display refresh rate of the display interface is relatively low, so that the FM player can be used as an N-level application; the video player needs to play high-definition video, and the requirement on the display refresh rate of a display interface is high, so that the video player can be used as a level 1 application; the requirement of the music player on the display refresh rate of the display interface is higher than that of the FM player, so that the music player can be used as a 3-level application; the navigation application needs to perform voice broadcast and map display, and the requirement on the display refresh rate of the display interface is higher than that of a music player, so that the navigation application can be used as a level-2 application.
Step 330: and configuring corresponding display parameters for the vehicle-mounted applications of different grades.
As one mode, the step of configuring corresponding display parameters for the different levels of the in-vehicle applications includes: calculating the highest display refresh rate allowed by the display screen according to the maximum value of the pixel clock and the minimum value of the display synchronization parameter in the parameter attribute of the display screen; calculating the lowest display refresh rate allowed by the display screen according to the minimum value of the pixel clock and the maximum value of the display synchronization parameter in the parameter attribute of the display screen; and configuring corresponding pixel clocks and display synchronization parameters for the vehicle-mounted applications of different levels based on the highest display refresh rate and the lowest display refresh rate.
The parameter attribute of the display screen can be preset by a manufacturer when the display screen leaves a factory. Specifically, for a level-1 vehicle-mounted application, a value of the highest display refresh rate is obtained, a corresponding pixel clock and display synchronization parameters can be calculated by using a formula PCLK ═ H + HPW + HFP + HBP (V + VPW + VFP + VBP) × FPS, the level-1 vehicle-mounted application is configured by using the pixel clock and the display synchronization parameters corresponding to the highest display refresh rate, and a display parameter configuration corresponding to the level-1 vehicle-mounted application is output and defined as a level-1 display parameter configuration; the method comprises the steps of obtaining a value of a lowest display refresh rate aiming at N-level applications, calculating corresponding pixel clocks and display synchronization parameters by using a formula PCLK ═ H + HPW + HFP + HBP) ((V + VPW + VFP + VBP) × FPS, configuring the N-level vehicle-mounted applications by using the pixel clocks and the display synchronization parameters corresponding to the lowest display refresh rate, outputting display parameter configurations corresponding to the N-level vehicle-mounted applications, and defining the display parameter configurations as N-level display parameter configurations.
Further, for the 2-level to (N-1) -level vehicle-mounted applications, the values between the highest display refresh rate and the lowest display refresh rate are divided equally to obtain (N-2) values of the display refresh rate, namely, the values of the (N-2) display refresh rates corresponding to the vehicle-mounted applications from 2-level to (N-1) level respectively. The specific display refresh rate division is defined by combining the number of the vehicle-mounted applications in the vehicle-mounted system and different requirements of each vehicle-mounted application. For example, the vehicle-mounted system only has three vehicle-mounted applications, which are an FM player, an MP3 player, and a video player, and according to the parameter attribute requirements of the display screen of the vehicle-mounted system, the display refresh rate of the vehicle-mounted application can be configured in a range of 40Hz-60Hz (for example), because the display interfaces of the FM player and the MP3 player are relatively fixed, especially the FM player, and the video player has a high requirement on the display refresh rate, the display refresh rate of the video player can be configured as 60Hz, the display refresh rate of the MP3 player is configured as 45Hz, and the display refresh rate of the FM player is configured as 40Hz, and further, the specific display refresh rate of the vehicle-mounted application can be readjusted according to the actual display effect.
Further, based on the calculated values of the (N-2) display refresh rates, according to the pixel clock and the range requirement of the display synchronization parameter in the parameter attribute of the display screen, the pixel clock and the display synchronization parameter corresponding to the (N-2) display refresh rates can be calculated, and (N-2) display parameter configurations are formed and respectively correspond to 2-level to (N-1-level vehicle-mounted applications.
Further, different display parameters set for different vehicle-mounted applications need to be within an acceptable display range of a display screen of the vehicle-mounted system, so that the display screen can normally display. Specifically, the display ranges of the display screens of different vehicle-mounted systems are different, and the display range of the display screen of the vehicle-mounted system is defined by a manufacturer of the display screen. For example, for a display screen with a resolution of 1920 × 720, the selection values of the display refresh rate (FPS) may be different (these selection values are also within the acceptable range of the display screen) according to the selection values of the parameters such as the horizontal synchronization pulse signal width (HPW), the horizontal front lane (HFP), the horizontal back lane (HBP), the vertical synchronization pulse signal width (VPW), the vertical front lane (VFP), and the vertical back lane (VBP), and further, the Pixel Clock (PCLK) may be changed within the acceptable range of 44.4MHz to 58 MHz.
Step 340: and detecting the running state of the vehicle-mounted application of the vehicle-mounted system.
The detailed explanation of the steps included in step 340 may refer to the corresponding steps in the foregoing embodiments, and is not repeated here.
Step 350: and when the vehicle-mounted application is detected to be started, acquiring the grade of the started vehicle-mounted application.
As one mode, all the in-vehicle applications in the in-vehicle system are graded in the above mode, and when the startup of the in-vehicle application is detected, the grade of the started in-vehicle application is acquired.
Further, since the in-vehicle applications in the in-vehicle system may be uninstalled or installed, the number of the in-vehicle applications in the in-vehicle system may change, and when the number of the in-vehicle applications in the in-vehicle system changes, the level of the in-vehicle applications may change, so that when it is detected that the in-vehicle applications in the in-vehicle system are uninstalled or added, the in-vehicle applications in the in-vehicle system need to be graded again and corresponding display parameters need to be configured.
Further, the vehicle-mounted applications of the vehicle-mounted system may also need to be upgraded, and after the vehicle-mounted applications are upgraded, the requirement for the display refresh rate may change, so that when it is detected that there are vehicle-mounted applications in the vehicle-mounted system to be upgraded, the grades of the vehicle-mounted applications in the vehicle-mounted system also need to be re-classified.
Step 360: and acquiring display parameters corresponding to the level of the started vehicle-mounted application based on the level, wherein the display parameters corresponding to different levels are different.
As a mode, when the vehicle-mounted system starts and enters a main interface of a display interface, a default display refresh rate can be adopted, when a user starts the vehicle-mounted applications from level 1 to level N through operation, in the process of switching the vehicle-mounted applications, the display driver of the vehicle-mounted system can configure the corresponding display parameter configuration from level 1 to level N to correspond to the vehicle-mounted applications from level 1 to level N, the display refresh rate of the display screen is adjusted and matched to the corresponding vehicle-mounted applications, and then the requirements of different display refresh rates of different vehicle-mounted applications can be met.
Step 370: and displaying the started vehicle-mounted application based on the display parameters.
As one mode, a plurality of in-vehicle applications may be simultaneously started in a display screen of an in-vehicle system, and when the plurality of in-vehicle applications are simultaneously displayed, display refresh rates configured for the plurality of in-vehicle applications are respectively obtained, and the plurality of in-vehicle applications are displayed at the highest display refresh rate among the obtained plurality of display refresh rates.
The method for dynamically adjusting display parameters includes acquiring application requirements of vehicle-mounted applications on the display parameters, dividing the vehicle-mounted applications in a vehicle-mounted system into different levels according to the application requirements, configuring corresponding display parameters for the vehicle-mounted applications of the different levels, detecting an operation state of the vehicle-mounted applications of the vehicle-mounted system, acquiring a level of the started vehicle-mounted applications when the vehicle-mounted applications are detected to be started, acquiring the display parameters corresponding to the level of the started vehicle-mounted applications based on the level, wherein the display parameters corresponding to the different levels are different, and displaying the started vehicle-mounted applications based on the display parameters. By the method, different grades are configured for different vehicle-mounted applications, and then the corresponding display parameters are acquired according to the grades of the vehicle-mounted applications to display the vehicle-mounted applications, so that the flexibility of vehicle-mounted application display is improved, and further, different vehicle-mounted applications in the vehicle-mounted system can be switched to different display parameters, so that the display requirements of different vehicle-mounted applications are met without using the uniform display parameters with the highest performance, the workload of a processor of the vehicle-mounted system can be reduced, the power consumption of the processor of the vehicle-mounted system is reduced, and the heat generation of the processor of the vehicle-mounted system is reduced.
Referring to fig. 5, a method for dynamically adjusting display parameters provided in the present application is applied to a vehicle-mounted system, and the method includes:
step 410: and acquiring the type of the vehicle-mounted application in the vehicle-mounted system.
The types of the vehicle-mounted applications can include a video type, a music type, a navigation type and the like.
As one mode, all the in-vehicle applications installed in the in-vehicle system may be classified in advance, and specifically, the in-vehicle applications in the in-vehicle system may be classified according to specific functions of the in-vehicle applications. For example, if the function of the vehicle-mounted application is playing music, the vehicle-mounted application may be classified as a music-type vehicle-mounted application. Further, a flag may be set in advance for each type of the in-vehicle applications, and the flag may be composed of any element of numbers, letters, or special symbols, for example, the flag of the in-vehicle application of the video class is set to YY, the flag of the in-vehicle application of the video class is set to SP, and the like. The type of the vehicle-mounted application can be further identified by acquiring the identification of the vehicle-mounted application.
Step 420: and configuring corresponding display parameters for the vehicle-mounted application based on the type of the vehicle-mounted application.
As a mode, corresponding display parameters can be configured for the vehicle-mounted application according to the requirements of different types of vehicle-mounted applications on the display parameters.
For example, for vehicle-mounted applications with high requirements on display parameters, such as display navigation and video, a display driver of a vehicle-mounted system can automatically adjust a display refresh rate to a high state, so that the requirements of the vehicle-mounted applications are met; aiming at vehicle-mounted applications such as display music and radio with lower requirements on display refresh rate parameters, the display driver of the vehicle-mounted system can automatically adjust the display parameters to a lower state, and the requirements of the vehicle-mounted applications can be still met.
Furthermore, the display parameters configured for different types of vehicle-mounted applications can be stored in the cloud server, and further, when the display parameters corresponding to the vehicle-mounted applications need to be acquired, the display parameters can be directly acquired from the cloud server.
Step 430: and detecting the running state of the vehicle-mounted application of the vehicle-mounted system.
The detailed explanation of the steps included in step 430 may refer to the corresponding steps in the foregoing embodiments, and is not repeated here.
Step 440: when the vehicle-mounted application is detected to be started, the type of the started vehicle-mounted application is acquired.
As one mode, in the above mode, when it is detected that the in-vehicle application is started in the in-vehicle system, the identification information of the started in-vehicle application is acquired, and the type of the in-vehicle application is determined according to the identification information of the started in-vehicle application.
Step 450: and acquiring display parameters corresponding to the started vehicle-mounted application based on the type of the started vehicle-mounted application.
As one mode, according to the type of the started vehicle-mounted application, the display parameters corresponding to the vehicle-mounted application of the type are read from the cloud server.
Step 460: and displaying the started vehicle-mounted application based on the display parameters.
The detailed explanation of the steps included in step 460 may refer to the corresponding steps in the foregoing embodiments, and is not repeated here.
The method for dynamically adjusting display parameters includes obtaining a type of a vehicle-mounted application in a vehicle-mounted system, configuring corresponding display parameters for the vehicle-mounted application according to the type of the vehicle-mounted application, detecting an operating state of the vehicle-mounted application of the vehicle-mounted system, obtaining the type of the started vehicle-mounted application when it is detected that the vehicle-mounted application is started, obtaining the display parameters corresponding to the started vehicle-mounted application based on the type of the started vehicle-mounted application, and displaying the started vehicle-mounted application according to the display parameters. By the method, different display parameters are configured for the vehicle-mounted application according to the type of the vehicle-mounted application, when the vehicle-mounted application is detected to be started, the display parameters corresponding to the vehicle-mounted application of the type are obtained, and the started vehicle-mounted application is displayed, so that the vehicle-mounted system can display different vehicle-mounted applications more flexibly, and further user experience is improved.
Referring to fig. 6, the display parameter dynamic adjustment apparatus 500 provided in the present application includes a state detection unit 510, a parameter obtaining unit 520, and a display unit 530.
A state detection unit 510, configured to detect an operation state of an in-vehicle application of the in-vehicle system.
And a parameter obtaining unit 520, configured to obtain, when it is detected that the in-vehicle application is started, a display parameter corresponding to the started in-vehicle application.
Specifically, the parameter obtaining unit 520 is configured to, when it is detected that the vehicle-mounted application is started, obtain a level of the started vehicle-mounted application; and acquiring display parameters corresponding to the level of the started vehicle-mounted application based on the level, wherein the display parameters corresponding to different levels are different.
And the display unit 530 is used for displaying the started vehicle-mounted application based on the display parameters.
As shown in fig. 7, the apparatus 500 further comprises:
and an application obtaining unit 540, configured to obtain an in-vehicle application in the in-vehicle system.
And a parameter configuration unit 550, configured to configure corresponding display parameters for the in-vehicle application.
As a manner, the parameter configuration unit 550 is further configured to obtain a type of an in-vehicle application in the in-vehicle system; and configuring corresponding display parameters for the vehicle-mounted application based on the type of the vehicle-mounted application.
As another mode, the parameter configuration unit 550 is further configured to obtain an application requirement of the vehicle-mounted application for a display parameter; based on the application requirements, dividing the vehicle-mounted applications in the vehicle-mounted system into different grades; and configuring corresponding display parameters for the vehicle-mounted applications of different grades.
Specifically, the parameter configuration unit 550 is further configured to calculate a maximum display refresh rate allowed by the display screen according to a maximum value of the pixel clock and a minimum value of the display synchronization parameter in the parameter attribute of the display screen; calculating the lowest display refresh rate allowed by the display screen according to the minimum value of the pixel clock and the maximum value of the display synchronization parameter in the parameter attribute of the display screen; and configuring corresponding pixel clocks and display synchronization parameters for the vehicle-mounted applications of different grades based on the highest display refresh rate and the lowest display refresh rate.
The parameter configuration unit 550 is further configured to obtain a display refresh rate requirement of the vehicle-mounted application; and sequentially dividing the vehicle-mounted applications with different display refresh rate requirements into multi-stage applications. The higher the display refresh rate requirement of the vehicle-mounted application is, the higher the grade of the corresponding vehicle-mounted application is.
It should be noted that, for convenience and simplicity of description, it may be clearly understood by those skilled in the art that the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. In the several embodiments provided in the present application, the coupling between the modules may be electrical, mechanical or other type of coupling. In addition, functional modules in the embodiments of the present application may be integrated into one processing module, or each of the modules may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
A vehicle provided by the present application will be described below with reference to fig. 8.
Referring to fig. 8, based on the above method and apparatus for dynamically adjusting display parameters, another vehicle 100 capable of performing the method for dynamically adjusting display parameters is provided in the embodiment of the present application. The vehicle 100 of the present application may include one or more processors 102 (only one shown), memory 104, and wireless module 106 coupled to each other. The memory 104 stores programs that can execute the content of the foregoing embodiments, and the processor 102 can execute the programs stored in the memory 104.
The Memory 104 may include a Random Access Memory (RAM) or a Read-Only Memory (Read-Only Memory). The memory 104 may be used to store instructions, programs, code sets, or instruction sets. The memory 104 may include a stored program area and a stored data area, wherein the stored program area may store instructions for implementing an operating system, instructions for implementing at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing various method embodiments described below, and the like. The stored data area may also store data created during use of the vehicle 100 (e.g., phone books, audio-visual data, chat log data), etc.
The wireless module 106 is configured to receive and transmit electromagnetic waves, and achieve interconversion between the electromagnetic waves and the electrical signals, so as to communicate with a communication network or other devices, for example, an audio playing device. The wireless module 106 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. The wireless module 106 may communicate with various networks, such as the internet, an intranet, a wireless network, or with other devices via a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network.
Referring to fig. 9, a block diagram of a computer-readable storage medium according to an embodiment of the present application is shown. The computer-readable medium 800 has stored therein a program code that can be called by a processor to execute the method described in the above method embodiments.
The computer-readable storage medium 800 may be an electronic memory such as a flash memory, an EEPROM (electrically erasable programmable read only memory), an EPROM, a hard disk, or a ROM. Alternatively, the computer-readable storage medium 800 includes a non-volatile computer-readable medium. The computer readable storage medium 800 has storage space for program code 810 to perform any of the method steps of the method described above. The program code can be read from or written to one or more computer program products. The program code 810 may be compressed, for example, in a suitable form.
In summary, the dynamic display parameter adjustment method, device, vehicle and storage medium provided by the present application detect the running state of the vehicle-mounted application of the vehicle-mounted system, and when it is detected that the vehicle-mounted application is started, obtain the display parameter corresponding to the started vehicle-mounted application, and display the started vehicle-mounted application based on the display parameter. By the method, different vehicle-mounted applications in the vehicle-mounted system can be switched to different display parameters, so that the display requirements of different vehicle-mounted applications are not met by using the uniform display parameters with the highest performance, the workload of a processor of the vehicle-mounted system can be reduced, the power consumption of the processor of the vehicle-mounted system is reduced, and the heat generation of the processor of the vehicle-mounted system is reduced.
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 will 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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (8)
1. A dynamic adjustment method for display parameters is applied to a vehicle-mounted system, and comprises the following steps:
acquiring a vehicle-mounted application in the vehicle-mounted system;
acquiring the application requirement of the vehicle-mounted application on the display parameters, wherein the application requirement is the application range of the display parameters preset for the vehicle-mounted application;
based on the application requirements, dividing the vehicle-mounted applications in the vehicle-mounted system into different grades;
configuring corresponding display parameters for the vehicle-mounted applications of different levels, wherein the display parameters comprise a display refresh rate, a pixel clock and display synchronization parameters;
detecting the running state of the vehicle-mounted application of the vehicle-mounted system;
when the vehicle-mounted application is detected to be started, acquiring display parameters corresponding to the started vehicle-mounted application;
displaying the started vehicle-mounted application based on the display parameters;
the method further comprises the following steps:
and when detecting that the number of the vehicle-mounted applications included in the vehicle-mounted system changes, triggering to update the display parameters corresponding to the vehicle-mounted applications of different levels.
2. The method according to claim 1, wherein when it is detected that the in-vehicle application is started, acquiring display parameters corresponding to the started in-vehicle application comprises:
when the vehicle-mounted application is detected to be started, acquiring the grade of the started vehicle-mounted application;
and acquiring display parameters corresponding to the level of the started vehicle-mounted application based on the level, wherein the display parameters corresponding to different levels are different.
3. The method of claim 1, wherein configuring the respective display parameters for the different levels of in-vehicle applications comprises:
calculating the highest display refresh rate allowed by the display screen according to the maximum value of the pixel clock and the minimum value of the display synchronization parameter in the parameter attribute of the display screen;
calculating the lowest display refresh rate allowed by the display screen according to the minimum value of the pixel clock and the maximum value of the display synchronization parameter in the parameter attribute of the display screen;
and configuring corresponding pixel clocks and display synchronization parameters for the vehicle-mounted applications of different grades based on the highest display refresh rate and the lowest display refresh rate.
4. The method of claim 1, wherein the classifying the in-vehicle applications in the in-vehicle system into different classes based on the application requirements comprises:
acquiring a display refresh rate requirement of the vehicle-mounted application;
and sequentially dividing the vehicle-mounted applications with different display refresh rate requirements into multi-stage applications.
5. The method of claim 4, wherein the sequentially dividing the in-vehicle applications having different display refresh rate requirements into multiple levels of applications comprises:
the higher the display refresh rate requirement for the vehicle-mounted application, the higher the rank of the corresponding vehicle-mounted application.
6. An apparatus for dynamically adjusting display parameters, the apparatus comprising:
the application acquisition unit is used for acquiring the vehicle-mounted application in the vehicle-mounted system;
the parameter configuration unit is used for acquiring the application requirements of the vehicle-mounted application on the display parameters, and the application requirements are the application range of the display parameters which is preset for the vehicle-mounted application; based on the application requirements, dividing the vehicle-mounted applications in the vehicle-mounted system into different grades; configuring corresponding display parameters for the vehicle-mounted applications of different levels, wherein the display parameters comprise a display refresh rate, a pixel clock and display synchronization parameters; when detecting that the number of the vehicle-mounted applications in the vehicle-mounted system changes, triggering to update the display parameters corresponding to the vehicle-mounted applications in different levels;
the state detection unit is used for detecting the running state of the vehicle-mounted application of the vehicle-mounted system;
the parameter acquisition unit is used for acquiring display parameters corresponding to the started vehicle-mounted application when the vehicle-mounted application is detected to be started;
and the display unit is used for displaying the started vehicle-mounted application based on the display parameters.
7. A vehicle comprising one or more processors and memory;
one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs configured to perform the method of any of claims 1-5.
8. A computer-readable storage medium, characterized in that a program code is stored in the computer-readable storage medium, which program code can be called by a processor to execute the method according to any of claims 1-5.
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| CN116431408B (en) * | 2023-03-29 | 2024-03-01 | 镁佳(北京)科技有限公司 | Screen debugging method and device, electronic equipment and storage medium |
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