CN105183455B - A kind of method and system integrating JT/T808 programs under Android platform - Google Patents
A kind of method and system integrating JT/T808 programs under Android platform Download PDFInfo
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- CN105183455B CN105183455B CN201510496322.4A CN201510496322A CN105183455B CN 105183455 B CN105183455 B CN 105183455B CN 201510496322 A CN201510496322 A CN 201510496322A CN 105183455 B CN105183455 B CN 105183455B
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Abstract
The present invention provides a kind of method integrating JT/T808 programs under Android platform.The method includes Linux bottoms to run finger daemon, and the finger daemon starts service processes, wherein the service processes include portion's beacon course sequence of JT/T808 agreements；The finger daemon monitors whether the service processes run always in real time, if the service processes are out of service, the finger daemon restarts the service processes；If the service processes are constantly in operating status, the finger daemon is communicated with Android service layers and the service processes simultaneously, and the JT/T808 program datas that the service processes include are passed to the Android service layers；Wherein, graphic user interface of the APK file of Android platform as the service processes, is used to execute interface display and order notifies, and the content of the interface display is obtained from the service processes.The present invention goes back while providing a kind of system integrating JT/T808 programs under Android platform.
Description
Technical field
The present invention relates to the communication technologys, particularly, are related to a kind of side integrating JT/T808 programs under Android platform
Method and system.
Background technology
Traffic transport industry standard JT/T808 agreements, full name are《Road transport vehicle satellite positioning system terminal communication association
View and data format》, which specify the communication associations between road transport vehicle satellite system onboard terminal and supervision/monitor supervision platform
View and data format, including protocol basis, communication connection, Message Processing, protocol classification and explanation and data format are suitable for road
Communication between road haulage vehicle satellite system car-mounted terminal and supervision/monitor supervision platform.
With the development of intelligent car networking, for the intercommunication for realizing between car-mounted terminal and supervision/monitor supervision platform, car-mounted terminal
It generally requires and supports JT/T808 agreements, therefore need to develop corresponding JT/T808 programs inside the communication module of car-mounted terminal.
The JT/T808 programs of traditional car-mounted terminal are developed under Linux environment, and with the universal of android system and are developed,
More and more car-mounted terminals use android system.Therefore, the JT/T808 program needs developed under Linux environment originally
It is transplanted to Android platform.The prior art is usually to need to develop JT/T808 again with JAVA on the APK of Android platform
Program but has what heavy workload and the project cycle were grown, and original program development work can not using this scheme
It is multiplexed and is inherited.
The method and systems of JT/T808 programs is integrated in view of this, it is necessary to provide a kind of under android system.
Invention content
It is an object of the invention to for JT/T808 program portables that will be developed under Linux environment to Android platform and
Provide a kind of method and system integrating JT/T808 programs under Android platform.
The method provided by the invention that JT/T808 programs are integrated under Android platform, including：The operation of Linux bottoms is kept
Shield process, the finger daemon starts service processes, wherein the service processes include portion's beacon course sequence of JT/T808 agreements；
The finger daemon monitors whether the service processes run always in real time, described if the service processes are out of service
Finger daemon restarts the service processes；If the service processes are constantly in operating status, the finger daemon is same
When the JT/T808 program datas that are communicated with Android service layers and the service processes, and include by the service processes
Pass to the Android service layers；Wherein, graphical user circle of the APK file of Android platform as the service processes
Face, is used to execute interface display and order notifies, and the content of the interface display is obtained from the service processes.
It is described to keep as a kind of improvement of the method provided by the invention for integrating JT/T808 programs under Android platform
Shield process carries out communication with Android service layers and the service processes simultaneously：Described in the finger daemon receives
The order that Android service layers issue, and to being transmitted to the service processes after command analysis processing；It is described guard into
Journey receives the message of the service processes active reporting, and is taken to being transmitted to the Android after the message dissection process
Business layer.
It is described to keep as a kind of improvement of the method provided by the invention for integrating JT/T808 programs under Android platform
It is communicated using the LocalSocket modes of Android platform between shield process and the Android service layers.
It is described to keep as a kind of improvement of the method provided by the invention for integrating JT/T808 programs under Android platform
IPC modes may be used between shield process and the service processes to be communicated.
As a kind of improvement of the method provided by the invention for integrating JT/T808 programs under Android platform, the clothes
It is communicated using the hybrid mode of inter-process messages queue and shared drive between business process and the finger daemon, wherein
The message queue is used for carrying out service command between the service processes and the finger daemon and transmits, and the shared drive
For carrying out the data transfer between the service processes and the finger daemon.
As a kind of improvement of the method provided by the invention for integrating JT/T808 programs under Android platform, the clothes
Business process is when needing operation hardware resource but the hardware resource to be controlled by the Android service layers, directly from hard
The callback interface that part level of abstraction provides is read and the relevant data of the hardware resource
The system provided by the invention that JT/T808 programs are integrated under Android platform, including including finger daemon, clothes
Business process and Android service layers, wherein the service processes include portion's beacon course sequence of JT/T808 agreements；It is described guard into
Journey monitors whether the service processes run always for starting the service processes in real time, the service processes always
It is communicated simultaneously with the Android service layers and the service processes when in operating status, and by the service processes
Including JT/T808 program datas pass to the Android service layers；Wherein, the APK file of Android platform is as institute
The graphic user interface for stating service processes, is used to execute interface display and order notifies, and the content of the interface display is
It is obtained from the service processes.
It is described to keep as a kind of improvement of the system provided by the invention for integrating JT/T808 programs under Android platform
It is communicated using the LocalSocket modes of Android platform between shield process and the Android service layers, and it is described
IPC modes may be used between finger daemon and the service processes to be communicated.
As a kind of improvement of the system provided by the invention for integrating JT/T808 programs under Android platform, the clothes
It is communicated using the hybrid mode of inter-process messages queue and shared drive between business process and the finger daemon, wherein
The message queue is used for carrying out service command between the service processes and the finger daemon and transmits, and the shared drive
For carrying out the data transfer between the service processes and the finger daemon.
As a kind of improvement of the system provided by the invention for integrating JT/T808 programs under Android platform, the clothes
Business process is additionally operable to when needing operation hardware resource but the hardware resource to be controlled by the Android service layers, directly
The callback interface provided from hardware abstraction layer is connect to read and the relevant data of the hardware resource.
Compared to the prior art, the method and system provided by the invention that JT/T808 programs are integrated under Android platform
Graphic user interface by the way that the APK file of Android platform to be considered as to the service processes sys_service only carries out interface
Display and order notice, and the service processes sys_service itself contains portion's beacon course sequence of JT/T808 agreements, therefore
Can not have to the original framework for changing the service processes sys_service substantially, so as to simply and easily realize by
The JT/T808 program portables of Linux environment exploitation are to Android platform.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, wherein：
Fig. 1 is method a kind of stream of embodiment provided by the invention that JT/T808 programs are integrated under Android platform
Journey schematic diagram；
Fig. 2 is the schematic diagram of the system provided by the invention that JT/T808 programs are integrated under Android platform.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
The method provided by the invention that JT/T808 programs are integrated under Android platform is mainly by Android platform
Figure of Android installation kits (Android Package, the APK) file as Linux underlying services processes sys_service
User interface (Graphical User Interface, GUI) is only intended to execute interface display and order notifies, and
The content being particularly shown is to be obtained from the service processes sys_service, and the service processes sys_service itself is wrapped
Portion's beacon course sequence of JT/T808 agreements is contained；Method provided by the invention does not just have to change the service processes sys_ substantially as a result,
Original framework of service arrives the JT/T808 program portables that Linux environment is developed so as to simply and easily realize
Android platform.
Referring to Fig. 1, it is the method a kind of reality provided by the invention for integrating JT/T808 programs under Android platform
Apply the flow diagram of mode.The method that JT/T808 programs are integrated under Android platform includes：
Step S1, Linux bottom runs finger daemon sys_daemon, and the finger daemon sys_daemon starts clothes
Business process sys_service；
Whether always step S2, the finger daemon sys_daemon monitor the service processes sys_service in real time
Operation；It is described to keep if the finger daemon sys_daemon monitors that the service processes sys_service is out of service
Shield process sys_daemo restarts the service processes sys_service, so that it is guaranteed that the service processes sys_
Service is constantly in operating status；If the service processes sys_service is constantly in operating status, turn
To step S3.
Step S3, the finger daemon sys_daemon simultaneously with Android service layers and the service processes sys_
Service is communicated, and the service processes sys_service JT/T808 program datas for including is supplied to described
Android service layers；
In a particular embodiment, on the one hand the finger daemon sys_daemon can receive the Android service layers
The order issued, and to being transmitted to the service processes sys_service after command analysis processing, wherein the order
May include calling the order for executing JT/T808 programs.On the other hand, the finger daemon sys_daemon can also receive institute
The message of service processes sys_service active reportings is stated, and to being transmitted to the Android after the message dissection process
Service layer, wherein the message that the messenger service process sys_service is reported can carry JT/T808 program datas.
In step s3, it may be used between the finger daemon sys_daemon and the Android service layers
The LocalSocket modes of Android platform are communicated, and the finger daemon sys_daemon and the service processes
May be used between sys_service linux system standard Inter-Process Communication (Inter-Process Communication,
IPC) mode is communicated.
Specifically, can include portion's beacon course sequence of JT/T808 agreements inside the service processes sys_service, and
In using inter-process messages queue between the service processes sys_service and the finger daemon sys_daemon and sharing
The hybrid mode deposited is communicated, wherein the message queue is used for carrying out the service processes sys_service keeping with described
Service command is transmitted between shield process sys_daemon, and the shared drive is used for carrying out the service processes sys_
Data transfer between service and the finger daemon sys_daemon includes the transmission of the JT/T808 program datas.
In specific implementation, the Android service layers and the service processes sys_service be simultaneously in order to prevent
Hardware resource is operated, the method that JT/T808 programs are integrated under Android platform provided by the invention can also include with
Lower step：
When the service processes sys_service needs to operate hardware resource, whether the Android service layers are judged
The hardware resource is controlled, if so, the service processes sys_service is from hardware abstraction layer (Hardware
Abstraction Layer, HAL) provide callback interface obtain with the relevant data of the hardware resource.
For example, when the service processes sys_service needs to read positioning system (Global Positioning
Sytem, GPS) module NMEA data when, can first determine whether the Android service layers have operated the GPS
Module, the judgement operation can initiatively be executed by programmer；If so, in view of the exclusivity of hardware resource, to prevent
The service processes sys_service and the Android service layers clash, and the service processes sys_service is not
The file node of the GPS module can be directly operated, in the present embodiment, since the Android service layers have carried
To the read operation of the GPS module, therefore the service processes sys_service only needs to provide from the hardware abstraction layer
Callback interface read the NMEA data.
If hardware conflicts, such as institute are not present when the service processes sys_service needs to operate hardware resource
When stating service processes sys_service and needing printer operation hardware, since printer is not controlled by Android service layers,
The finger daemon sys_daemon can notify the service processes sys_service directly to operate the printer at this time
File node.
Compared to the prior art, the method provided by the invention that JT/T808 programs are integrated under Android platform pass through by
The APK file of Android platform be considered as the service processes sys_service graphic user interface only carry out interface display and
Order notice, and the service processes sys_service itself contains portion's beacon course sequence of JT/T808 agreements, therefore can be with base
This does not have to the original framework for changing the service processes sys_service, so as to simply and easily realize Linux environment
The JT/T808 program portables of exploitation are to Android platform.
Based on the above-mentioned method for integrating JT/T808 programs under Android platform, the present invention furthermore provides one kind and exists
The system that JT/T808 programs are integrated under Android platform, referring to Fig. 2, it is provided by the invention under Android platform
A kind of schematic diagram of embodiment of system of integrated JT/T808 programs, it is described that JT/T808 programs are integrated under Android platform
System includes finger daemon 210, service processes 220 and Android service layers 230, wherein the service processes 220 include
Portion's beacon course sequence of JT/T808 agreements.
Whether the finger daemon 210 monitors the service processes 220 in real time for starting the service processes 220
Run always, and when the service processes 220 are constantly in operating status simultaneously with the Android service layers 230 and
The service processes 220 are communicated, and the JT/T808 program datas that the service processes 220 include are passed to described
Android service layers 230, and the service processes 220 are restarted when the service processes 220 are out of service to ensure
It states service processes 220 and is constantly in operating status.
Specifically, 210 one side of the finger daemon can be used for receiving the life that the Android service layers 230 issue
It enables, and to being transmitted to the service processes 220 after command analysis processing；On the other hand, the finger daemon 210 may be used also
For receiving the message of 220 active reporting of service processes, the message can carry JT/T808 program datas, and
To being transmitted to the Android service layers 230 after the message dissection process.
In the system provided in this embodiment for integrating JT/T808 programs under Android platform, the finger daemon
The LocalSocket modes that Android platform may be used between 210 and the Android service layers 230 are communicated, and
The IPC modes that Linux platform standard may be used between the finger daemon 210 and the service processes 220 are communicated.Tool
The mixed of inter-process messages queues and shared drive may be used in body between the service processes 220 and the finger daemon 210
Conjunction mode is communicated, wherein the message queue is used for carrying out between the service processes 220 and the finger daemon 210
Service command is transmitted, and the shared drive is used for carrying out the data between the service processes 220 and the finger daemon 210
It transmits
On the other hand, in a particular embodiment, the service processes 220 are additionally operable to when needing to operate hardware resource 240,
Judge whether the Android service layers 230 have controlled the hardware resource 240, if so, directly being carried from hardware abstraction layer
The callback interface of confession reads the related data of the hardware resource 240.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (8)
1. a kind of method integrating JT/T808 programs under Android platform, which is characterized in that including：
Linux bottoms run finger daemon, and the finger daemon starts service processes, wherein the service processes include JT/
Portion's beacon course sequence of T808 agreements；
The finger daemon monitors whether the service processes run always in real time, if the service processes are out of service,
The finger daemon restarts the service processes；
If the service processes are constantly in operating status, the finger daemon simultaneously with Android service layers and the clothes
Business process is communicated, and the JT/T808 program datas that the service processes include are passed to the Android service layers；
And the service processes need to operate hardware resource but the hardware resource controlled by the Android service layers when,
The callback interface directly provided from hardware abstraction layer is read and the relevant data of the hardware resource；
Wherein, it is aobvious to be used to execute interface for graphic user interface of the APK file of Android platform as the service processes
Show and order notice, and the content of the interface display is obtained from the service processes.
2. according to the method described in claim 1, it is characterized in that, the finger daemon simultaneously with Android service layers and institute
It states service processes and communicate and include：
The finger daemon receives the order that the Android service layers issue, and to being forwarded after command analysis processing
To the service processes；
The finger daemon receives the message of the service processes active reporting, and to being transmitted to after the message dissection process
The Android service layers.
3. according to the method described in claim 2, it is characterized in that, between the finger daemon and the Android service layers
It is communicated using the LocalSocket modes of Android platform.
4. according to the method described in claim 1, it is characterized in that, can be adopted between the finger daemon and the service processes
It is communicated with IPC modes.
5. according to the method described in claim 4, it is characterized in that, between the service processes and the finger daemon using into
The hybrid mode of message queue and shared drive is communicated between journey, wherein the message queue be used for carry out it is described service into
Service command is transmitted between journey and the finger daemon, and the shared drive is used for carrying out the service processes guarding with described
Data transfer between process.
6. a kind of system integrating JT/T808 programs under Android platform, which is characterized in that including finger daemon, service into
Journey and Android service layers, wherein the service processes include portion's beacon course sequence of JT/T808 agreements；The finger daemon is used
It in the startup service processes, and monitors whether the service processes run always in real time, is constantly in the service processes
It is communicated simultaneously with the Android service layers and the service processes when operating status, and includes by the service processes
JT/T808 program datas pass to the Android service layers；The service processes are additionally operable to needing to operate hardware resource
But when the hardware resource is controlled by the Android service layers, the callback interface directly provided from hardware abstraction layer is read
It takes and the relevant data of the hardware resource；Wherein, the APK file of Android platform is used as the figure of the service processes
Family interface, is used to execute interface display and order notifies, and the content of the interface display is obtained from the service processes
's.
7. system according to claim 6, which is characterized in that between the finger daemon and the Android service layers
It is communicated using the LocalSocket modes of Android platform, and can be between the finger daemon and the service processes
It is communicated using IPC modes.
8. system according to claim 7, which is characterized in that between the service processes and the finger daemon using into
The hybrid mode of message queue and shared drive is communicated between journey, wherein the message queue be used for carry out it is described service into
Service command is transmitted between journey and the finger daemon, and the shared drive is used for carrying out the service processes guarding with described
Data transfer between process.
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| CN110213289B (en) * | 2019-06-14 | 2021-08-27 | 吉旗（成都）科技有限公司 | Method for rapidly troubleshooting JT/T809 protocol message problem |
| CN111176935B (en) * | 2019-12-17 | 2022-02-01 | 宁波市轨道交通集团有限公司建设分公司 | Application-oriented service monitoring method of integrated monitoring system |
| CN111400081A (en) * | 2020-03-24 | 2020-07-10 | 恒生电子股份有限公司 | Process guarding method and device, electronic equipment and computer storage medium |
| CN112748907B (en) * | 2020-12-04 | 2023-01-13 | 中国航空工业集团公司成都飞机设计研究所 | C/S mode general measurement and control software architecture based on hardware resources and design method |
| CN113840271B (en) * | 2021-09-27 | 2024-04-19 | 北京字节跳动网络技术有限公司 | NFC data transmission method and device, electronic equipment and storage medium |
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Effective date of registration: 20220919 Address after: 518051 Room 1001, Block A, Building 6, Shenzhen International Innovation Valley, Dashi Road, Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong, China Patentee after: SHENZHEN GUANGHETONG WIRELESS COMMUNICATION SOFTWARE CO.,LTD. Address before: 518052 No. 501A, Building A, Phase II, Science and Technology Building, No. 1057, Nanhai Avenue, Nanshan District, Shenzhen, Guangdong, China Patentee before: FIBOCOM WIRELESS Inc. |