CN111708587A - Device and method for realizing multimode application of vehicle-mounted air conditioner screen display - Google Patents
Device and method for realizing multimode application of vehicle-mounted air conditioner screen display Download PDFInfo
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- CN111708587A CN111708587A CN202010853912.9A CN202010853912A CN111708587A CN 111708587 A CN111708587 A CN 111708587A CN 202010853912 A CN202010853912 A CN 202010853912A CN 111708587 A CN111708587 A CN 111708587A
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
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Abstract
The invention provides a device for realizing multimode application of a vehicle-mounted air conditioner screen display, which comprises: a hardware platform shared by multiple operating systems, at least an air conditioner screen; a virtual machine manager running on the hardware platform; the system comprises an air conditioner operating system running on a virtual machine manager and a central control multimedia entertainment operating system running on the virtual machine manager; the virtual machine manager includes: the system comprises a resource allocation module, a system scheduling module and a display layer superposition processing module, wherein the display layer superposition processing module is used for carrying out superposition processing on display layer data of the air conditioner operating system and display layer data of the central control multimedia entertainment operating system to form synthetic display layer data, and the synthetic display layer data are displayed on the air conditioner screen. The invention also provides a corresponding method. By implementing the invention, the information interaction between the air conditioning system and the central control multimedia entertainment system can be realized on one air conditioning screen, and the internet entertainment ecological function can be realized.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted virtual machines, in particular to a device and a method for displaying multi-mode application by a vehicle-mounted air conditioner screen.
Background
With the development of intelligent networking of intelligent cabins, the integration and carrying of multiple ECUs (electronic control units) into a multi-operating system has been the development direction of future intelligent cabins, so as to improve the communication efficiency between ECUs, and save hardware cost and assembly space.
For example, in some existing examples, an instrument domain and an air conditioning domain share one ECU and one operating system; or the central control multimedia entertainment system domain and the air conditioning functional domain share one ECU and an operating system; or the air-conditioning functional domain uses an ECU and an operating system separately;
however, the existing solutions have some disadvantages, for example, in the solution that the instrument domain and the air-conditioning functional domain share one ECU and one operating system, there are problems such as lack of ecological resources in the integrated internet entertainment ecology on the air-conditioning screen, and information delay in the information interaction with the multimedia entertainment system domain;
in the scheme that the central control multimedia entertainment system domain and the air conditioner functional domain share one ECU and one operating system, the starting speed is slow (for example, about 20S), and the requirements that a user can turn on the air conditioner and adjust the air conditioner when getting on the bus cannot be met; in the scheme that the air-conditioning functional domain independently uses one ECU and one operating system, the integrated Internet entertainment ecological function has ecological deficiency or the problem of low starting speed and high cost.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for displaying multi-mode application by a vehicle-mounted air conditioner screen. The information interaction between the air conditioning system and the central control multimedia entertainment system can be realized on one air conditioning screen, and the internet entertainment ecological function can be realized.
To solve the above technical problem, an aspect of the present invention provides an apparatus for implementing a multimode application displayed on a vehicle-mounted air conditioner screen, including:
the hardware platform for the air conditioning system and the central control multimedia entertainment system to share at least comprises an SOC chip, a physical memory, an air conditioning screen and a power supply, wherein the air conditioning screen is at least provided with two display areas;
a virtual machine manager running on the hardware platform;
the air conditioner operating system runs on the virtual machine manager, and the central control multimedia entertainment operating system runs on the virtual machine manager;
wherein the virtual machine manager comprises:
the resource allocation module is used for allocating corresponding memory devices to the air conditioner operating system, the central control multimedia entertainment operating system and the bootstrap program in the physical memory;
the system scheduling module is used for starting the air conditioner operating system and the central control multimedia entertainment operating system in parallel according to the bootstrap program;
the display layer superposition processing module is used for carrying out superposition processing on the display layer data of the air conditioner operating system and the display layer data of the central control multimedia entertainment operating system to form synthetic display layer data, and the synthetic display layer data are displayed on the air conditioner screen;
the air conditioner screen is used for displaying display layer data of the air conditioner operating system or displaying the synthetic display layer data.
The air conditioner operating system adopts a QNX operating system; the central control multimedia entertainment operating system adopts an Android operating system, and the virtual machine manager adopts Hypervisor.
And an air-conditioning operation display area and a multimedia operation display area are arranged on the air-conditioning screen.
Correspondingly, in another aspect of the present invention, a method for implementing multimode application display of a vehicle-mounted air conditioner screen is further provided, which is implemented by using the foregoing device, and includes the steps of:
step S10, starting a boot program;
step S11, initializing the virtual machine manager;
step S12, the virtual machine manager starts the air conditioner operating system and the central control multimedia entertainment operating system in parallel according to the bootstrap program;
and step S13, overlapping the display image data of the air conditioner operating system and the display image data of the central control multimedia entertainment operating system, and displaying on the air conditioner screen.
The air conditioner operating system adopts a QNX operating system; the central control multimedia entertainment operating system adopts an Android operating system, and the virtual machine manager adopts Hypervisor.
Wherein, in the step S12, the method further comprises:
after the air conditioner operating system is started and before the central control multimedia entertainment operating system is started, the air conditioner operating system writes air conditioner screen display graph layer data into the virtual machine manager;
and displaying the picture data on the air conditioner screen.
Wherein, in the step S13, the method further comprises:
after the air conditioner operating system and the central control multimedia entertainment operating system are started, the air conditioner operating system writes air conditioner screen layer data into the virtual machine manager, and the central control multimedia entertainment operating system writes central control multimedia entertainment layer data into the virtual machine manager;
and the virtual machine manager superposes the air conditioner screen layer data of the air conditioner operating system and the central control multimedia entertainment layer data of the central control multimedia entertainment operating system to form a synthetic display image, and the synthetic display image is displayed on the air conditioner screen.
The embodiment of the invention has the following beneficial effects:
the device and the method for realizing the display of the multimode application of the vehicle-mounted air conditioner screen are provided, wherein only one SOC chip is adopted, then an air conditioner operating system (QNX) and a central control multimedia entertainment operating system (Android) are respectively realized through a virtual machine manager (Hypervisor), and an operating interface is displayed on the same air conditioner screen; the advantages of a plurality of operating systems such as QNX and Android are fully applied, the advantages of the operating systems are integrated, namely, an application scene of quick start is met (for example, an air conditioner control interface can be operated after an automobile is started for 3 seconds), and an interaction scene of internet entertainment ecology can be realized (for example, the internet entertainment ecology of an Android end can be applied after about 20 seconds);
in the embodiment of the invention, the air-conditioning functional domain can be quickly started by virtue of the operating system of a virtual machine manager (Hypervisor);
meanwhile, multi-screen interaction is realized by virtue of an operating system of a virtual machine manager (Hypervisor), and the air-conditioning screen can display and interact other functions, such as an internet entertainment ecological function; and the cost of adopting the ECU special for the air conditioner screen can be saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of an apparatus for implementing a vehicle-mounted air conditioner screen to display a multi-mode application according to the present invention;
FIG. 2 is a schematic main flow chart illustrating a method for implementing a vehicle air conditioner display for multimode application according to the present invention;
FIG. 3 is a timing diagram of the two operating system boots referred to in FIG. 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of a device for implementing a vehicle-mounted air conditioner screen to display multimode application according to the present invention. In this embodiment, the apparatus includes:
the hardware platform 1 shared by multiple operating systems at least comprises an SOC chip 10, a physical memory 11, an air-conditioning screen 12 and a power supply 13, wherein the air-conditioning screen 12 is provided with at least two display areas; the adopted SOC chip 10 may adopt a chip with strong calculation power;
a virtual machine manager 2 operating on the hardware platform 1; in a specific example, the virtual machine manager 2 employs Hypervisor;
an air conditioner operating system 3 running on the virtual machine manager 2, and a central multimedia entertainment operating system 4 running on the virtual machine manager 2; in a specific example, the air-conditioning operation system 3 employs a QNX operation system; the central control multimedia entertainment operating system 4 adopts an Android operating system.
Wherein the virtual machine manager 2 includes:
a resource allocation module 20, configured to allocate corresponding memory devices to the air conditioner operating system 3, the central control multimedia entertainment operating system 4, and the boot program in the physical memory 11;
the system scheduling module 21 is used for starting the air conditioner operating system 3 and the central control multimedia entertainment operating system 4 in parallel according to the bootstrap program;
a display layer superposition processing module 22, configured to perform superposition processing on the display layer data of the air conditioner operating system 3 and the display layer data of the central control multimedia entertainment operating system 4 to form a synthesized display layer data, and display the synthesized display layer data on the air conditioner screen 12;
the air conditioner screen 12 is configured to display map data of the air conditioner operating system 3, or display the synthetic display map data.
Wherein, an air-conditioning operation display area and a multimedia operation display area are arranged on the air-conditioning screen 12; specifically, the QNX operating system is faster than the Android operating system, for example, in an example, the user can complete the start of the QNX operating system after getting on and starting for 3S, immediately perform air conditioning control on the air conditioning screen according to the air conditioning operation display area in the air conditioning screen, and after about 20S, complete the start of the Android operating system, that is, perform control such as multimedia and input method on the multimedia operation display area on the air conditioning screen. As can be seen in particular with reference to fig. 2.
It can be understood that in the embodiment of the invention, a Hypervisor (virtual machine) is loaded on an SOC chip (ECU), and a plurality of operating systems such as QNX and Android are simultaneously loaded on the basis of the virtual machine, so that the characteristics of high starting speed of QNX and rich Android internet entertainment ecology are integrated, and the air-conditioning screen is interactively driven to meet the use scene.
It is understood that the QNX operating system may also be used to implement functions such as instrument displays.
As shown in fig. 3, a main flow diagram of a method for implementing a vehicle-mounted air conditioner screen to display a multi-mode application according to the present invention is shown; in this embodiment, the method is implemented by the apparatus described in fig. 1 to fig. 2, and includes the steps of:
step S10, starting a boot program;
step S11, initializing the virtual machine manager;
step S12, the virtual machine manager starts the air conditioner operating system and the central control multimedia entertainment operating system in parallel according to the bootstrap program; the QNX operating system only needs 2-3 seconds for starting, and the Android operating system needs about 20 seconds for starting; for example, in one example, the user can complete the starting of the QNX operating system after getting on and starting up for 3S, immediately perform air conditioning control on the air conditioning screen according to the air conditioning operation display area in the air conditioning screen, and after about 20S, complete the starting of the Android operating system, that is, perform multimedia and input method control on the multimedia operation display area on the air conditioning screen.
As shown in fig. 2, the step S12 further includes:
after the air conditioner operating system is started and before the central control multimedia entertainment operating system is started, the air conditioner operating system writes air conditioner screen display picture layer data into the virtual machine manager (Frame buffer of Hypervisor); for example, in one example, the data written by the QNX system into the air conditioner screen is labeled: WFD Client QNX; WFD Port = 2; display DSI 1; DisplayNode = Console; ZORDER 1;
and displaying the picture data on the air conditioner screen.
And step S13, overlapping the display image data of the air conditioner operating system and the display image data of the central control multimedia entertainment operating system, and displaying on the air conditioner screen.
Wherein, in the step S13, the method further comprises:
step S130, after the air-conditioning operating system and the central control multimedia entertainment operating system are started, the air-conditioning operating system writes air-conditioning screen layer data into the virtual machine manager (Frame buffer of Hypervisor), and the central control multimedia entertainment operating system writes central control multimedia entertainment layer data into the virtual machine manager (Frame buffer of Hypervisor);
specifically, for example, in one example, the data written into the air conditioner screen by the Android system at this time is marked as: WFD Client LA _ GVM; WFD Port = 2; display DSI 1; DisplayNode = Console; ZORDER of 0;
step S131, the virtual machine manager superposes the air conditioner screen layer data of the air conditioner operating system and the central control multimedia entertainment layer data of the central control multimedia entertainment operating system to form a synthetic display image, and the synthetic display image is displayed on the air conditioner screen.
Specifically, in one example, the QNX system and the Android system respectively write the layers that are respectively displayed into a Framebuffer, perform layer overlay control through an Open WFD Server (Open WFD service) of the Hypervisor, and synthesize a display image of an air conditioner screen, and finally display an operation interface related to an air conditioner in an air conditioner operation display area, and display an operation play interface related to a central control multimedia entertainment in the multimedia operation display area.
For more details, reference may be made to the foregoing description of fig. 1 and 2.
The embodiment of the invention has the following beneficial effects:
the device and the method for realizing the display of the multimode application of the vehicle-mounted air conditioner screen are provided, wherein only one SOC chip is adopted, then an air conditioner operating system (QNX) and a central control multimedia entertainment operating system (Android) are respectively realized through a virtual machine manager (Hypervisor), and an operating interface is displayed on the same air conditioner screen; the advantages of a plurality of operating systems such as QNX and Android are fully applied, the advantages of the operating systems are integrated, namely, an application scene of quick start is met (for example, an air conditioner control interface can be operated after an automobile is started for 3 seconds), and an interaction scene of internet entertainment ecology can be realized (for example, the internet entertainment ecology of an Android end can be applied after about 20 seconds);
in the embodiment of the invention, the air-conditioning functional domain can be quickly started by virtue of the operating system of a virtual machine manager (Hypervisor);
meanwhile, multi-screen interaction is realized by virtue of an operating system of a virtual machine manager (Hypervisor), and the air-conditioning screen can display and interact other functions, such as an internet entertainment ecological function; and the cost of adopting the ECU special for the air conditioner screen can be saved.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (7)
1. The utility model provides a realize on-vehicle air conditioner screen display multimode application's device which characterized in that includes:
the hardware platform shared by multiple operating systems at least comprises an SOC chip, a physical memory, an air conditioner screen and a power supply, wherein the air conditioner screen is at least provided with two display areas;
a virtual machine manager running on the hardware platform;
the air conditioner operating system runs on the virtual machine manager, and the central control multimedia entertainment operating system runs on the virtual machine manager;
wherein the virtual machine manager comprises:
the resource allocation module is used for allocating corresponding memory devices to the air conditioner operating system, the central control multimedia entertainment operating system and the bootstrap program in the physical memory;
the system scheduling module is used for starting the air conditioner operating system and the central control multimedia entertainment operating system in parallel according to the bootstrap program;
the display layer superposition processing module is used for carrying out superposition processing on the display layer data of the air conditioner operating system and the display layer data of the central control multimedia entertainment operating system to form synthetic display layer data, and the synthetic display layer data are displayed on the air conditioner screen;
the air conditioner screen is used for displaying display layer data of the air conditioner operating system or displaying the synthetic display layer data.
2. The apparatus of claim 1, wherein:
the air conditioner operating system adopts a QNX operating system; the central control multimedia entertainment operating system adopts an Android operating system, and the virtual machine manager adopts Hypervisor.
3. The apparatus of claim 2, wherein an air-conditioning operation display area and a multimedia operation display area are provided on the air-conditioning screen.
4. A method for implementing a multimode application of a vehicle air-conditioning screen display, implemented with a device according to any one of claims 1 to 3, characterized in that it comprises the steps of:
step S10, starting a boot program;
step S11, initializing the virtual machine manager;
step S12, the virtual machine manager starts the air conditioner operating system and the central control multimedia entertainment operating system in parallel according to the bootstrap program;
and step S13, overlapping the display image data of the air conditioner operating system and the display image data of the central control multimedia entertainment operating system, and displaying on the air conditioner screen.
5. The method of claim 4, wherein:
the air conditioner operating system adopts a QNX operating system; the central control multimedia entertainment operating system adopts an Android operating system, and the virtual machine manager adopts Hypervisor.
6. The method of claim 5, wherein in the step S12, further comprising:
after the air conditioner operating system is started and before the central control multimedia entertainment operating system is started, the air conditioner operating system writes air conditioner screen display graph layer data into the virtual machine manager;
and displaying the picture data on the air conditioner screen.
7. The method of claim 5, wherein in the step S13, further comprising:
after the air conditioner operating system and the central control multimedia entertainment operating system are started, the air conditioner operating system writes air conditioner screen layer data into the virtual machine manager, and the central control multimedia entertainment operating system writes central control multimedia entertainment layer data into the virtual machine manager;
and the virtual machine manager superposes the air conditioner screen layer data of the air conditioner operating system and the central control multimedia entertainment layer data of the central control multimedia entertainment operating system to form a synthetic display image, and the synthetic display image is displayed on the air conditioner screen.
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| CN113467865A (en) * | 2021-03-23 | 2021-10-01 | 中科创达软件股份有限公司 | Information processing method, information processing device, electronic equipment and storage medium |
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Application publication date: 20200925 |