CN104050992A - Vehicle-mounted intelligent system with virtual instrument and information entertainment terminals - Google Patents
Vehicle-mounted intelligent system with virtual instrument and information entertainment terminals Download PDFInfo
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- CN104050992A CN104050992A CN201410255723.6A CN201410255723A CN104050992A CN 104050992 A CN104050992 A CN 104050992A CN 201410255723 A CN201410255723 A CN 201410255723A CN 104050992 A CN104050992 A CN 104050992A
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Abstract
The invention provides a vehicle-mounted intelligent system with a virtual instrument and information entertainment terminals. The vehicle-mounted intelligent system comprises a uniprocessor platform, the virtual instrument and the information entertainment terminals, the virtual instrument and the information entertainment terminals operate in an Xen virtualization system on the uniprocessor platform, the Xen virtualization system can divide the uniprocessor platform, and the uniprocessor platform is made to support concurrent operating of a plurality of operation systems. A plurality of interaction devices on the uniprocessor platform are distributed to the different operation systems to be scheduled and used through being mapped to different addresses. The vehicle-mounted intelligent system with the virtual instrument and the information entertainment terminals integrates the virtual instrument and the information entertainment terminals, and the operation systems of the information entertainment terminals are independent and are not interfered. The virtual instrument can be loaded preferentially, and starting speed is high. The operation systems operate on the uniprocessor platform based on a virtual technology, the occupied space can be reduced, system cost and complexity can be lowered, and reliability can be improved.
Description
Technical field
The present invention relates to Embedded Application technical field, particularly relate to a kind of vehicle intelligent system with virtual instrument and Infotainment terminal.
Background technology
Along with the fast development of universal and computer technology, the electronic technology etc. of vehicle, automotive electronics degree is more and more higher.The increase of electric-control system, has improved economy and the comfortableness of automobile.But meanwhile, wiring is also huge and complicated gradually.The quantity of information that automobile instrument need to show constantly increases, and function constantly increases, and traditional machinery or step motor instrument are difficult to be competent at gradually.On-vehicle information recreation terminal has also been become the infotainment devices of functions such as integrating navigation, shooting demonstration, audio frequency and video broadcasting, bluetooth, phone by simple DVD, radio.
The Chinese patent that application number is 201210336069.2, denomination of invention is " a kind of intelligent automobile virtual instrument system and its implementation " discloses a kind of automobile intelligent virtual instrument system, and it comprises the sensor for obtaining vehicle traveling information, vehicle-mounted bus, also comprises slave module, host module, virtual instrument display screen and the human-computer interaction module for man-machine interaction; Described slave module is electrically connected with vehicle-mounted bus, sensor, human-computer interaction module and host module, and described host module is electrically connected and is electrically connected with audio interface and video interface with virtual instrument display screen.This invention after slave module and host module are processed, concentrates on various vehicle traveling informations and video information in virtual display and shows, has effectively saved automobile instrument space; Also realized human-computer interaction function, it designs hommization very; The robotization that has simultaneously realized various information shows, makes its design more intelligent.But this invention does not relate to the combination with Infotainment terminal.
The Chinese patent that application number is 201110056383.0, denomination of invention is " the novel framework inter-vehicle information system that a kind of multi-screen independently manipulates " discloses a kind of vehicle mounted multimedia interactive terminal of realizing multi-screen interactive by the embedded software hardware structure of innovating in onboard system.This framework expands man-machine interface ability on hardware, make it support multiple demonstrations, sound, touch-control and keystroke interface, on software, by virtual machine technique or the existing embedded OS of multiwindow application framework technology reconstruct, its independent task of supporting multi-user's multiwindow is responded.By applying this novel embedded architecture, on automobile, realizing multiple touch-controls, button independently manipulates and multiple Speech input, and multiple screens independently show one to one, multiple sound equipment independently exports with it, to meet demand in the car that driver is different with multiple passengers.Unified processing core and shared system resource, reduced the communication requirement between multi-client on the one hand, facilitated system realization, saved on the other hand system cost, improved system.But in the vehicle intelligent system with virtual instrument, higher to the operating system call of virtual instrument, require that toggle speed is faster, operation is more reliable.But this invention does not relate to the combination with virtual instrument.
At present, in some vehicles such as automobile virtual instrument at BMW 7 is, Jaguar XJ, apply, the function of Infotainment terminal and volume also constantly increase.The demand that virtual instrument and Infotainment terminal height are integrated is by along with the development of automotive electronics becomes more and more urgent.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of vehicle intelligent system with virtual instrument and Infotainment terminal, for meeting the interior driver of car and passenger's different demands, ensure that for different requirements virtual instrument can start and independent operating safely and effectively fast, each Infotainment terminal is independent of one another simultaneously, does not interfere with each other.
Realize above-mentioned purpose and other relevant objects, the invention provides a kind of vehicle intelligent system with virtual instrument and Infotainment terminal, comprise a uniprocessor platform, a virtual instrument and multiple Infotainment terminal, described virtual instrument and described multiple Infotainment terminal share described uniprocessor platform; Described virtual instrument and described Infotainment terminal all run in the Xen virtualization system on described uniprocessor platform, described Xen virtualization system can be divided described uniprocessor platform, make the described uniprocessor platform can support the concurrent running of multiple operating systems, and between multiple operating system, be separate isolation; On described uniprocessor platform, be provided with the equipment of multiple corresponding different operating systems: the equipment of described multiple corresponding different operating systems is distributed to different operating system scheduling uses by being mapped to different addresses; Described virtual instrument runs in (SuSE) Linux OS, and described Infotainment terminal operating is in Android operating system; Described virtual instrument and described Infotainment terminal room communicate by the mode of shared drive.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: described uniprocessor platform adopts the Embedded Hardware Platform taking arm processor as core.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: described uniprocessor platform comprises processor, storer, communication module, bluetooth and GPS module.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: described virtual instrument comprises touching display screen, keyboard, camera and audio frequency output module.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: described Infotainment terminal comprises touching display screen, keyboard, audio frequency input and output module, WIFI, bluetooth, communication module, GPS module and radio.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: the equipment of described multiple corresponding different operating systems comprises touching display screen, keyboard, GPS module, bluetooth, communication module.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: described virtual instrument reads navigation information, the music of described Infotainment terminal, the information of radio channels by the mode of shared drive, and described Infotainment terminal is controlled.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: in described Xen virtualization system, the (SuSE) Linux OS of described virtual instrument runs in Dom0, and the Android operating system of described Infotainment terminal system is in DomU.
According to the above-mentioned vehicle intelligent system with virtual instrument and Infotainment terminal, wherein: described virtual instrument adopts the cross-platform graphical interfaces storehouse QT that increases income to realize, there is acquiescence starting up animation, can show travel condition of vehicle information, warning message and navigation information, when reversing, can automatically switch to reverse image, and there is the Control-Menu of part in-vehicle device.
As mentioned above, the vehicle intelligent system with virtual instrument and Infotainment terminal of the present invention, has following beneficial effect:
(1) the present invention integrates virtual instrument and Infotainment terminal, and each Infotainment terminal operating system is separate, does not interfere with each other; In the time that Infotainment terminal is closed, restarts, is crashed, do not affect the operation of virtual instrument, ensure traffic safety;
(2) virtual instrument can preferentially load, and toggle speed is faster, reduces the vehicle launch stand-by period, and performance safety is reliable;
(3) multiple operating system operates on uniprocessor platform by virtual technology, can reduce space hold, reduces system cost and complexity, improves reliability and security;
(4) virtual instrument can read the navigation information of each Infotainment terminal, and it is succinctly presented in virtual instrument intuitively, before convenient, back-seat passengers operate navigation and navigation information and driver are shared, and have promoted comfortableness and convenience, have also improved reliability and security.
Brief description of the drawings
Fig. 1 is shown as the structural representation of virtual framework in the vehicle intelligent system with virtual instrument and Infotainment terminal of the present invention;
Fig. 2 is shown as the software architecture diagram of the vehicle intelligent system with virtual instrument and Infotainment terminal of the present invention;
Fig. 3 is shown as the structural representation of the vehicle intelligent system with virtual instrument and Infotainment terminal of the present invention.
Embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this instructions.The present invention can also be implemented or be applied by other different embodiment, and the every details in this instructions also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, satisfy and only show with assembly relevant in the present invention in graphic but not component count, shape and size drafting while implementing according to reality, when its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
With reference to Fig. 1-Fig. 3, the vehicle intelligent system with virtual instrument and Infotainment terminal of the present invention comprises a uniprocessor platform, a virtual instrument and multiple Infotainment terminal.Virtual instrument and multiple Infotainment terminal share this uniprocessor platform.
Wherein, uniprocessor platform of the present invention adopts the Embedded Hardware Platform taking arm processor as core, the multiple operating system of operation on it.This uniprocessor platform comprises the equipment such as processor, storer, communication module, bluetooth, GPS module.Wherein, communication module, bluetooth, GPS module realize its concrete function on uniprocessor platform, and each operating system provides communication, bluetooth and GPS navigation function by uniprocessor platform.Particularly, on uniprocessor platform, be provided with the equipment such as touching display screen, keyboard, GPS module, bluetooth, communication module of multiple corresponding different operating systems.The equipment such as touching display screen, keyboard, GPS module, bluetooth, communication module are distributed to different operating system scheduling uses by being mapped to different addresses.
Virtual instrument and Infotainment terminal communicate by the mode of shared drive, virtual instrument is the information such as navigation information, music, video playback, radio channels of reading information recreation terminal in this way, and it is presented in specific region concisely, also can control Infotainment terminal.
Particularly, the vehicle intelligent System Core core minimum system with virtual instrument and Infotainment terminal of the present invention adopts ARM Cortex
tM-A7 double-core CPU framework, integrated multimedia decoding, liquid crystal drive, Ethernet, HDMI, WIFI, camera, bluetooth, GPS, gravity sensor are in one, support video and the picture format decoding of most current popular, the LVDS of two 8 drives, can drive various TFT LCD display, support the output of HDMI/VGA video.
Virtual instrument comprises LCD touching display screen, keyboard, camera, audio frequency output module, receives information by CAN bus.Wherein, keyboard can pass through button interrupt response, for choice menus, check vehicle running state, setup times and mileage zero clearing, switch theme, show tire pressure etc.In the time having abnormal and warning, audio frequency output module carries out alarm.When reverse gear, LCD touching display screen can show reverse image automatically.
Infotainment terminal comprises LCD touching display screen, keyboard, audio frequency input and output module, WIFI, bluetooth module, communication module, navigation module, radio etc., by uniprocessor platform United Dispatching.
In the present invention, virtual instrument and Infotainment terminal all run in the Xen virtualization system on uniprocessor platform.Xen can successfully divide a computing machine, make its concurrent running that can support multiple operating systems, and between multiple operating system, is separate isolation, and the execution of every virtual machine can not affect the performance of another virtual machine.Xen environment is mainly called virtual Domain, namely virtual machine by two ingredient: Dom (territory); XEN, i.e. Hypervisor, is also called VMM virtual machine (Virtual Machine Monitor), directly runs on hardware bare machine.Hypervisor layer, between hardware and virtual machine, is the ground floor that must be loaded at first hardware.Dom0, has very high privilege.The operating system of conventionally, installing before any virtual machine just has this privilege.Dom0 provides the driving with hardware dialogue, and with the interface of keeper's dialogue.Can utilize some Xen instruments to create and manage other virtual machine (DomU) by Dom0 keeper.
In the present invention, Dom0 operation linux system is as the operating system of virtual instrument, and DomU operation Android system is as Infotainment terminal system.Automotive control system starts fast, and reliability is strong; Entertainment systems can independently be restarted, and non-interference, can meet different passengers' demand.
Particularly, virtual instrument runs in (SuSE) Linux OS, employing increase income cross-platform graphical interfaces storehouse QT realize, there is acquiescence starting up animation, can show travel condition of vehicle information, warning message and navigation information, when reversing, automatically switch to reverse image, and there is the Control-Menu of the in-vehicle devices such as radio, air-conditioning, auxiliary driving.Virtual instrument can respond button or touch-screen, for choice menus item, controls in-vehicle device, and manual switchover virtual instrument theme, switches more fully information of different interface display as passed through; The instrument interface of selecting different themes by button, adapts to different Driving Scenes.Particularly, virtual instrument can adopt more intuitively display section car status information particularly of 3D model, as the state of car door, tire, securing band.Meanwhile, virtual instrument can select to read the navigation information of each Infotainment terminal.
Infotainment terminal operating, in Android operating system, can move the software program of Android system, comprises the functions such as navigation, radio, bluetooth, audio frequency, video, communication.The closing of Infotainment terminal, restart, normal operation that the situation such as deadlock does not affect virtual instrument.
In sum, the vehicle intelligent system with virtual instrument and Infotainment terminal of the present invention is integrated virtual instrument and Infotainment terminal, and each Infotainment terminal operating system is separate, does not interfere with each other; Virtual instrument can preferentially load, and toggle speed is fast; Multiple operating system operates on uniprocessor platform by virtual technology, can reduce space hold, reduces system cost and complexity, improves reliability and security.So the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (9)
1. one kind has the vehicle intelligent system of virtual instrument and Infotainment terminal, it is characterized in that: comprise a uniprocessor platform, a virtual instrument and multiple Infotainment terminal, described virtual instrument and described multiple Infotainment terminal share described uniprocessor platform;
Described virtual instrument and described Infotainment terminal all run in the Xen virtualization system on described uniprocessor platform, described Xen virtualization system can be divided described uniprocessor platform, make the described uniprocessor platform can support the concurrent running of multiple operating systems, and between multiple operating system, be separate isolation;
On described uniprocessor platform, be provided with the equipment of multiple corresponding different operating systems: the equipment of described multiple corresponding different operating systems is distributed to different operating system scheduling uses by being mapped to different addresses;
Described virtual instrument runs in (SuSE) Linux OS, and described Infotainment terminal operating is in Android operating system;
Described virtual instrument and described Infotainment terminal room communicate by the mode of shared drive.
2. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, is characterized in that: described uniprocessor platform adopts the Embedded Hardware Platform taking arm processor as core.
3. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, is characterized in that: described uniprocessor platform comprises processor, storer, communication module, bluetooth and GPS module.
4. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, is characterized in that: described virtual instrument comprises touching display screen, keyboard, camera and audio frequency output module.
5. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, is characterized in that: described Infotainment terminal comprises touching display screen, keyboard, audio frequency input and output module, WIFI, bluetooth, communication module, GPS module and radio.
6. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, is characterized in that: the equipment of described multiple corresponding different operating systems comprises touching display screen, keyboard, GPS module, bluetooth, communication module.
7. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, it is characterized in that: described virtual instrument reads navigation information, music, the video playback of described Infotainment terminal, the information of radio channels by the mode of shared drive, and described Infotainment terminal is controlled.
8. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, it is characterized in that: in described Xen virtualization system, the (SuSE) Linux OS of described virtual instrument runs in Dom0, and the Android operating system of described Infotainment terminal system is in DomU.
9. the vehicle intelligent system with virtual instrument and Infotainment terminal according to claim 1, it is characterized in that: described virtual instrument adopts the cross-platform graphical interfaces storehouse QT that increases income to realize, there is acquiescence starting up animation, can show travel condition of vehicle information, warning message and navigation information, when reversing, can automatically switch to reverse image, and there is the Control-Menu of part in-vehicle device.
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