CN103763168A - Method for isolating vehicle-mounted control system from media entertainment system - Google Patents
Method for isolating vehicle-mounted control system from media entertainment system Download PDFInfo
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- CN103763168A CN103763168A CN201310742558.2A CN201310742558A CN103763168A CN 103763168 A CN103763168 A CN 103763168A CN 201310742558 A CN201310742558 A CN 201310742558A CN 103763168 A CN103763168 A CN 103763168A
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- media entertainment
- vehicle control
- entertainment systems
- control syetem
- serial ports
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention provides a method for isolating a vehicle-mounted control system from a media entertainment system. The media entertainment system is operated on a main CPU, the vehicle-mounted control system is operated on an auxiliary CPU, the media entertainment system is in communication with the vehicle-mounted control system to achieve data interaction, and different operating systems are adopted for the media entertainment system and the vehicle-mounted control system. The method has the advantages that in the method and device for isolating the vehicle-mounted control system from the media entertainment system, different systems are operated on the media entertainment system and the vehicle-mounted control system, the media entertainment system and the vehicle-mounted control system are operated on the different CPUs and isolated logically and physically, the vehicle-mounted control system is operated on a real-time system, the real-time and safe requirements are met, the media entertainment system is operated on an open system, and the entertainment diversity requirement and the function development requirement are met.
Description
Technical field
The present invention relates to vehicle electric field, relate in particular to vehicle control syetem and media entertainment systems partition method.
Background technology
Vehicle-mounted media entertainment systems, as entertainment systems, mainly provides audio frequency, video, Digital Television, navigation information, the services such as online.Vehicle control syetem, is mainly vehicle-mounted control information, by UART bus, exports to entertainment systems, so that entertainment systems and mobile unit communication.
When vehicle entertainment system adopts linux kernel, because linux kernel is GPL authorized agreement, when onboard system accesses such system, require to increase income issue with CAN communication part so, there is privacy requirements in depot to CAN communication part, and while entertainment systems and CAN system are inconsistent because of real-time and safe class, cannot meet vehicle control syetem safety, in real time, maintain secrecy and wait requirement.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of vehicle control syetem and media entertainment systems partition method.
The invention provides a kind of method of vehicle control syetem and media entertainment systems isolation, media entertainment systems operates on host CPU, vehicle control syetem operates in from CPU, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction, and described media entertainment systems and described vehicle control syetem adopt different operating system.
As a further improvement on the present invention, described media entertainment systems adopts (SuSE) Linux OS.
As a further improvement on the present invention, described vehicle control syetem adopts RT-Thread real time operating system.
As a further improvement on the present invention, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction by UART interface.
As a further improvement on the present invention, described media entertainment systems comprises serial ports client, described vehicle control syetem comprises serial ports service end, and described serial ports service end receives the data of CAN bus transfer and processes in real time, and described serial ports service end and described serial ports client are carried out data communication.
The present invention also provides the device of a kind of vehicle control syetem and media entertainment systems isolation, comprise media entertainment systems, vehicle control syetem, media entertainment systems operates on host CPU, vehicle control syetem operates in from CPU, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction, and described media entertainment systems and described vehicle control syetem adopt different operating system.
As a further improvement on the present invention, described media entertainment systems adopts (SuSE) Linux OS.
As a further improvement on the present invention, described vehicle control syetem adopts RT-Thread real time operating system.
As a further improvement on the present invention, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction by UART interface.
As a further improvement on the present invention, described media entertainment systems comprises serial ports client, described vehicle control syetem comprises serial ports service end, and described serial ports service end receives the data of CAN bus transfer and processes in real time, and described serial ports service end and described serial ports client are carried out data communication.
The invention has the beneficial effects as follows: in the method and device of vehicle control syetem of the present invention and media entertainment systems isolation, media entertainment systems and vehicle control syetem move different systems, operate on different CPU, in logic and physically, they are kept apart to vehicle control syetem operation real-time system, meet real-time and demand for security, media entertainment systems operates on comparison open system, meets amusement various, functional development demand.
Accompanying drawing explanation
Fig. 1 is the principle of device block diagram of vehicle control syetem of the present invention and media entertainment systems isolation.
Embodiment
The invention discloses a kind of method of vehicle control syetem and media entertainment systems isolation, media entertainment systems operates on host CPU, vehicle control syetem operates in from CPU, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction, and described media entertainment systems and described vehicle control syetem adopt different operating system.
Described media entertainment systems adopts (SuSE) Linux OS, described vehicle control syetem adopts RT-Thread real time operating system, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction by UART interface, described media entertainment systems comprises serial ports client, described vehicle control syetem comprises serial ports service end, described serial ports service end receives the data of CAN bus transfer and processes in real time, and described serial ports service end and described serial ports client are carried out data communication.
Media entertainment systems adopts monokaryon or the polycaryon processor of ARM Cortex A9 framework, possesses powerful computing and multimedia processing capability, with the touch-screen of 800*480.
Vehicle control syetem adopts the single-chip microcomputer STM32 of 32, is mainly responsible for receiving CAN and processes CAN bus data, and the data that need to process are in real time processed at MCU end, requirement of real time.
The data that vehicle control syetem is transferred to media entertainment systems mainly contain vehicle body information, vehicle body air-conditioning data etc., and these data, by the layering processing of media entertainment systems, are then presented to user by screen, and integration of user interaction functionality are provided.
As shown in Figure 1, the invention also discloses the device of a kind of vehicle control syetem and media entertainment systems isolation, comprise media entertainment systems, vehicle control syetem, media entertainment systems operates on host CPU, vehicle control syetem operates in from CPU, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction, and described media entertainment systems and described vehicle control syetem adopt different operating system.
Described media entertainment systems adopts (SuSE) Linux OS, described vehicle control syetem adopts RT-Thread real time operating system, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction by UART interface, described media entertainment systems comprises serial ports client, described vehicle control syetem comprises serial ports service end, described serial ports service end receives the data of CAN bus transfer and processes in real time, and described serial ports service end and described serial ports client are carried out data communication.
In the method and device of vehicle control syetem of the present invention and media entertainment systems isolation, media entertainment systems and vehicle control syetem move different systems, operate on different CPU, in logic and physically, they are kept apart to vehicle control syetem operation real-time system, meet real-time and demand for security, media entertainment systems operates on comparison open system, meets amusement various, functional development demand.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the method for a vehicle control syetem and media entertainment systems isolation, it is characterized in that: media entertainment systems operates on host CPU, vehicle control syetem operates in from CPU, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction, and described media entertainment systems and described vehicle control syetem adopt different operating system.
2. method according to claim 1, is characterized in that: described media entertainment systems adopts (SuSE) Linux OS.
3. method according to claim 2, is characterized in that: described vehicle control syetem adopts RT-Thread real time operating system.
4. according to the method described in claims 1 to 3 any one, it is characterized in that: described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction by UART interface.
5. method according to claim 4, it is characterized in that: described media entertainment systems comprises serial ports client, described vehicle control syetem comprises serial ports service end, described serial ports service end receives the data of CAN bus transfer and processes in real time, and described serial ports service end and described serial ports client are carried out data communication.
6. the device of a vehicle control syetem and media entertainment systems isolation, it is characterized in that: comprise media entertainment systems, vehicle control syetem, media entertainment systems operates on host CPU, vehicle control syetem operates in from CPU, described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction, and described media entertainment systems and described vehicle control syetem adopt different operating system.
7. device according to claim 6, is characterized in that: described media entertainment systems adopts (SuSE) Linux OS.
8. device according to claim 7, is characterized in that: described vehicle control syetem adopts RT-Thread real time operating system.
9. according to the device described in claim 6 to 8 any one, it is characterized in that: described media entertainment systems and described vehicle control syetem carry out communication to realize data interaction by UART interface.
10. device according to claim 9, it is characterized in that: described media entertainment systems comprises serial ports client, described vehicle control syetem comprises serial ports service end, described serial ports service end receives the data of CAN bus transfer and processes in real time, and described serial ports service end and described serial ports client are carried out data communication.
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CN201310742558.2A CN103763168A (en) | 2013-12-30 | 2013-12-30 | Method for isolating vehicle-mounted control system from media entertainment system |
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CN201310742558.2A CN103763168A (en) | 2013-12-30 | 2013-12-30 | Method for isolating vehicle-mounted control system from media entertainment system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106341269A (en) * | 2016-09-22 | 2017-01-18 | 乐视控股(北京)有限公司 | Control method and device of vehicle-mounted system |
CN106358084A (en) * | 2016-09-30 | 2017-01-25 | 惠州华阳通用电子有限公司 | Vehicle-mounted information system based on master-slave mode and implementation method thereof |
CN109981434A (en) * | 2019-03-25 | 2019-07-05 | 华勤通讯技术有限公司 | A kind of vehicle intelligent system |
CN114509993A (en) * | 2020-11-16 | 2022-05-17 | 沈阳中科数控技术股份有限公司 | Autonomous controllable numerical control system construction method based on domestic CPU |
CN114625426A (en) * | 2020-12-09 | 2022-06-14 | 博泰车联网科技(上海)股份有限公司 | Hard isolation implementation framework |
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CN102169329A (en) * | 2011-04-29 | 2011-08-31 | 深圳市大富科技股份有限公司 | Vehicle-mounted information terminal and control method thereof |
CN102981435A (en) * | 2012-11-28 | 2013-03-20 | 深圳市航盛电子股份有限公司 | Vehicle-mounted terminal device based on double central processing units (CPUs) and control method |
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2013
- 2013-12-30 CN CN201310742558.2A patent/CN103763168A/en active Pending
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JPH1152941A (en) * | 1997-08-08 | 1999-02-26 | Nissan Motor Co Ltd | Data communication system for vehicle |
CN102169329A (en) * | 2011-04-29 | 2011-08-31 | 深圳市大富科技股份有限公司 | Vehicle-mounted information terminal and control method thereof |
CN102981435A (en) * | 2012-11-28 | 2013-03-20 | 深圳市航盛电子股份有限公司 | Vehicle-mounted terminal device based on double central processing units (CPUs) and control method |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106341269A (en) * | 2016-09-22 | 2017-01-18 | 乐视控股(北京)有限公司 | Control method and device of vehicle-mounted system |
CN106358084A (en) * | 2016-09-30 | 2017-01-25 | 惠州华阳通用电子有限公司 | Vehicle-mounted information system based on master-slave mode and implementation method thereof |
CN109981434A (en) * | 2019-03-25 | 2019-07-05 | 华勤通讯技术有限公司 | A kind of vehicle intelligent system |
CN114509993A (en) * | 2020-11-16 | 2022-05-17 | 沈阳中科数控技术股份有限公司 | Autonomous controllable numerical control system construction method based on domestic CPU |
CN114509993B (en) * | 2020-11-16 | 2023-06-20 | 沈阳中科数控技术股份有限公司 | Autonomous controllable numerical control system construction method based on domestic CPU |
CN114625426A (en) * | 2020-12-09 | 2022-06-14 | 博泰车联网科技(上海)股份有限公司 | Hard isolation implementation framework |
CN114625426B (en) * | 2020-12-09 | 2023-09-29 | 博泰车联网科技(上海)股份有限公司 | Hard isolation implementation system |
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Application publication date: 20140430 |