CN106469108A - A kind of onboard system exception handling device and method - Google Patents
A kind of onboard system exception handling device and method Download PDFInfo
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- CN106469108A CN106469108A CN201610874594.8A CN201610874594A CN106469108A CN 106469108 A CN106469108 A CN 106469108A CN 201610874594 A CN201610874594 A CN 201610874594A CN 106469108 A CN106469108 A CN 106469108A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3013—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is an embedded system, i.e. a combination of hardware and software dedicated to perform a certain function in mobile devices, printers, automotive or aircraft systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/02—Standardisation; Integration
- H04L41/0246—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols
- H04L41/026—Exchanging or transporting network management information using the Internet; Embedding network management web servers in network elements; Web-services-based protocols using e-messaging for transporting management information, e.g. email, instant messaging or chat
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- General Engineering & Computer Science (AREA)
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- Computer Networks & Wireless Communication (AREA)
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- Mathematical Physics (AREA)
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Abstract
The present invention provides a kind of onboard system exception handling device and method, and wherein device includes abnormal data memory module, abnormal information capture and matching module, service data cache module, read only memory memory module, mail communication module；Abnormal data memory module prestores the abnormal information exporting when onboard system occurs abnormal；Abnormal information capture and matching module are captured the abnormal information of onboard system output and are mated with the abnormal information of abnormal data memory module storage；Service data cache module storage onboard system runs vestige；Onboard system is run read only memory memory module vestige and the numbering mated and definition together record in read only memory with abnormal information；The present invention passes through automatic record onboard system and runs vestige, facilitates developer to carry out anomaly analysis according to onboard system operation vestige and onboard system exception species, overcomes the defect that onboard system in prior art runs the crawl undue dependence manual operation of vestige.
Description
Technical field
The present invention relates to onboard system technical field is and in particular to a kind of onboard system exception handling device and method.
Background technology
Android system since the advent of the world, due to its own abundant advantage increased income with it of exploiting natural resources, disappears in movement
Expense electronic equipment is used widely, such as the application on smart mobile phone.As higher to software stability, security requirement
Automobile Electronic Industry, preserves a cautious attitude to android system always.But in recent years, android system is in Automobile Electronic Industry
Inside gradually accepted.
With android system in the application on smart mobile phone compared with, vehicle entertainment system has more input sources.As figure
Shown in 1, the input source of smart mobile phone only has touch screen 11, incoming call 12, function button 13, however, the input of vehicle entertainment system
There are bluetooth telephone 21, CD-ROM drive 22, back-up video input 23, the company of tire pressure alarm input 24, SOS input 25 and mobile device in source
Make and break opens 26, Intelligent voice broadcasting 27, SD card plug 28, complicated button 29, touch screen 30, airconditioning control 31, transport information
Report 32.Therefore, easily multiple input sources in vehicle entertainment system or even the source that fully enters occurs input request simultaneously, causes
System resource competes, and software complexity increases, thus leading to system stability poor.
When system abnormal, the mode of usual analysis system problem has two kinds of Debug and Trace.Because Trace divides
Analysis method will not destroy the sequential relationship between different processes, therefore more commonly used in Androd platform.With Trace analytic process
When, software engineer writes printout sentence in system code key place, by the trace information of printout so that it may
To know which in code the program in system operation gone to, thus orienting abnormal code, determine system exception
The reason.But, prior art to the processing method of system exception is：When system occurs abnormal, developer is in exploitation ring
Reappear this problem under border, and observe the system operation mark information of printout, i.e. trace information, different to determine that system occurs
Often the reason；Or tester connects trace equipments of recording, and in test, recording, tracking daily record trace log, pinpoints the problems
Mark on trace log afterwards and notify developer to be analyzed.The drawbacks of this analysis mode, is, once meeting low
When probability, the system exception of difficult reproduction, test and exploit natural resources abnormal the reappearing and capture of wait by substantial amounts of for consuming
trace.However, in Automobile Electronic Industry, some system exceptions are relevant with local environment factor during automobilism, such as vibrate,
Temperature etc., this kind of situation low probability, laboratory are difficult to reappear but the result that leads to is often again extremely serious, such as restart, crash,
Hang interface etc., threaten traffic safety.Therefore, even if probability of happening is low, but in car rule level requires, equally can not be connect
It is subject to.When the system exception that user feedback laboratory cannot reappear, software engineer's grasping system of having to rush to the scene occurs
System operation mark information when abnormal, or even some system exceptions have arrived " spot " and also differ and surely soon reappeared,
In order to capture trace information, software engineer also needs to be tested for a long time.
In sum, onboard system anomaly analysis high cost is the big problem that Automobile Electronic Industry faces.And it is important
One of reason is that traditional trace information scratching mode excessively relies on manual operation.
Content of the invention
The present invention provides a kind of onboard system exception handling device and method, vehicle-mounted by prestoring in onboard system
The abnormal information that system may export when occurring abnormal, when onboard system occurs abnormal, record onboard system trace letter automatically
Breath, facilitates developer to carry out anomaly analysis according to trace information and onboard system exception species, overcomes in prior art
The undue defect relying on manual operation of crawl of trace information.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：
The present invention provides a kind of onboard system exception handling device, including abnormal data memory module, abnormal information capture
And matching module, service data cache module, read only memory memory module, mail communication module；
Described abnormal data memory module：For prestoring the abnormal information exporting when onboard system occurs abnormal, and
Abnormal information is numbered one by one and is defined；
Described abnormal information capture and matching module：For when onboard system occurs abnormal, capture onboard system exports
Abnormal information and with abnormal data memory module storage abnormal information mated；
Service data cache module：For when the abnormal information that described abnormal information captures and matching module captures and exception
The abnormal information of data memory module storage is when the match is successful, starts to store onboard system and runs vestige；
Read only memory memory module：For completing when the onboard system of service data cache module runs vestige storage
When, onboard system is run the numbering that vestige and the abnormal information with abnormal data memory module mate and defining and together records
In read only memory；
Mail communication module：During for there being network, the information of read only memory memory module storage being sent to user and refers to
Determine mailbox；No network when, read only memory memory module is marked, waiting has and automatically store read only memory during network
The information of module stores is sent to user and specifies mailbox.
Further, described abnormal data memory module includes to the definition of abnormal information：Crash, restart, operate no loud
Should.
Further, described abnormal information capture and matching module are known using watchdog technique, status check technology
Whether onboard system exception.
Further, described service data cache module follows first in first out, when service data cache module
When memory space is fully written, new onboard system runs vestige and runs vestige by covering old onboard system.
Also further, the Informational support USB flash disk of read only memory memory module record is copied out.
Another aspect of the present invention provides a kind of onboard system abnormality eliminating method, including abnormal data storing step, exception
Information capture and matching step, service data caching step, read only memory storing step, mail communication step；
Described abnormal data storing step：Prestore the abnormal information exporting when onboard system occurs abnormal, and to different
Often information is numbered one by one and is defined；
Described abnormal information capture and matching step：When onboard system occurs abnormal, it is different that capture onboard system exports
The often information abnormal information with the storage of abnormal data storing step is mated；
Service data caching step：Abnormal information and abnormal data when the capture of described abnormal information and matching step capture
The abnormal information of storing step storage is when the match is successful, starts to store onboard system and runs vestige；
Read only memory storing step：When the onboard system operation vestige storage of service data cache module completes, will
Onboard system runs the numbering that vestige and the abnormal information with abnormal data storing step mate and defining and together records read-only
In memorizer；
Mail communication step：When having network, the information that read only memory is stored is sent to user and specifies mailbox；No network
When, read only memory is marked, waits having and automatically the information that read only memory stores is sent to user during network and specifies
Mailbox.
Further, abnormal data storing step includes to the definition of abnormal information：Crash, restart, operating and no respond.
Further, abnormal information capture and matching step known using watchdog technique, status check technology vehicle-mounted
Whether system exception.
Further, service data caching step follows first in first out, when the storage of service data caching step
When space is fully written, new onboard system runs vestige and runs vestige by covering old onboard system.
Further, the Informational support USB flash disk of read only memory storing step record is copied out.
A kind of onboard system exception handling device and method that the present invention provides, by prestoring car in onboard system
The abnormal information that loading system may export when occurring abnormal, and this abnormal information is numbered and defines, when onboard system is sent out
When raw abnormal, the abnormal information of capture is mated with the abnormal information prestoring, if the match is successful, in onboard system
Buffer area in automatically record onboard system run vestige, i.e. trace information, after the completion of trace information record, by mail
The numbering that mated on-board running vestige with abnormal information and definition are sent to user and specify mailbox, or are directly copied out with USB flash disk, side
Just developer runs vestige according to onboard system and onboard system exception species carries out anomaly analysis, overcomes in prior art
The undue defect relying on manual operation of crawl of trace information, improves the abnormal analysis efficiency of onboard system, reduces vehicle-mounted
The analysis cost of system low probability abnormal problem, decreases the pro-active intervention of user, shorten problem expose in front of the user when
Between, improve user satisfaction.
Brief description
Fig. 1 is the input source structural representation of smart mobile phone and vehicle entertainment system；
Fig. 2 is a kind of structural representation of present invention onboard system exception handling device
Fig. 3 is a kind of schematic flow sheet of present invention onboard system abnormality eliminating method.
Specific embodiment
Specifically illustrate embodiments of the present invention below in conjunction with the accompanying drawings, accompanying drawing is only for reference and explanation uses, and it is right not constitute
The restriction of scope of patent protection of the present invention.
As shown in Fig. 2 the present embodiment provide a kind of onboard system exception handling device, including abnormal data memory module,
Abnormal information capture and matching module, service data cache module, read only memory memory module, mail communication module；
Described abnormal data memory module：For prestoring the abnormal information exporting when onboard system occurs abnormal, and
Abnormal information is numbered one by one and is defined；
Described abnormal information capture and matching module：For when onboard system occurs abnormal, capture onboard system exports
Abnormal information and with abnormal data memory module storage abnormal information mated；
Service data cache module：For when the abnormal information that described abnormal information captures and matching module captures and exception
The abnormal information of data memory module storage is when the match is successful, starts to store onboard system and runs vestige；
Read only memory memory module：For completing when the onboard system of service data cache module runs vestige storage
When, onboard system is run the numbering that vestige and the abnormal information with abnormal data memory module mate and defining and together records
In read only memory；
Mail communication module：During for there being network, the information of read only memory memory module storage being sent to user and refers to
Determine mailbox；No network when, read only memory memory module is marked, waiting has and automatically store read only memory during network
The information of module stores is sent to user and specifies mailbox.
Preferably, described abnormal data memory module includes to the definition of abnormal information：Crash, restart, operating and no respond.
Preferably, the capture of described abnormal information and matching module known using watchdog technique, status check technology vehicle-mounted
Whether system exception.
Preferably, described service data cache module follows first in first out, when the storage of service data cache module
When space is fully written, new onboard system runs vestige and runs vestige by covering old onboard system.
Preferably, the Informational support USB flash disk of read only memory memory module record is copied out.
It is illustrated in figure 3 a kind of schematic flow sheet of present invention onboard system abnormality eliminating method, the present invention provides a kind of
Onboard system abnormality eliminating method, including abnormal data storing step, abnormal information capture and matching step, service data caching
Step, read only memory storing step, mail communication step；
Described abnormal data storing step：Prestore the abnormal information exporting when onboard system occurs abnormal, and to different
Often information is numbered one by one and is defined；
Described abnormal information capture and matching step：When onboard system occurs abnormal, it is different that capture onboard system exports
The often information abnormal information with the storage of abnormal data storing step is mated；
Service data caching step：Abnormal information and abnormal data when the capture of described abnormal information and matching step capture
The abnormal information of storing step storage is when the match is successful, starts to store onboard system and runs vestige；
Read only memory storing step：When the onboard system operation vestige storage of service data cache module completes, will
Onboard system runs the numbering that vestige and the abnormal information with abnormal data storing step mate and defining and together records read-only
In memorizer；
Mail communication step：When having network, the information that read only memory is stored is sent to user and specifies mailbox；No network
When, read only memory is marked, waits having and automatically the information that read only memory stores is sent to user during network and specifies
Mailbox.
Preferably, described abnormal data storing step includes to the definition of abnormal information：Crash, restart, operating and no respond.
Preferably, the capture of described abnormal information and matching step known using watchdog technique, status check technology vehicle-mounted
Whether system exception.
Preferably, described service data caching step follows first in first out, when the storage of service data caching step
When space is fully written, new onboard system runs vestige and runs vestige by covering old onboard system.
Preferably, the Informational support USB flash disk of read only memory storing step record is copied out.
In the present embodiment, as shown in Figure 2 and Figure 3, in above-mentioned onboard system exception handling device and method, prestore
The abnormal information that onboard system exports when occurring abnormal is that basis has experience to be stored in advance in onboard system error_table
Onboard system it may happen that exception and its abnormal information exporting when occurring abnormal, described abnormal information includes but is not limited to
The information of system output when onboard system crashes, restarts, operating no response, and to the exception in described error_table
Information is numbered one by one and is defined, will one by one abnormal information and onboard system state mate definition, such as onboard system is sent out
During the abnormality of life and death machine, the definition of the abnormal information of output is " deadlock "；Obtained using watchdog technique, status check technology
Know whether onboard system exception, when onboard system occurs abnormal, the abnormal information of capture onboard system output, and with pre-
The abnormal information being first stored in onboard system error_table is mated；When capture abnormal information be stored in advance in
Abnormal information in error_table is when the match is successful, starts to store onboard system and runs vestige, i.e. trace information, trace
In a buffer area of onboard system random access memory, described buffer area is named as RAM_trace_buffer to information Store,
When trace information Store completes, the numbering that mated trace information with abnormal information and definition together record in read-only storage
In device ROM；When there being network, the information that read only memory is stored is sent to user and specifies mailbox；When no network, to read-only
Memorizer is marked, and waits having during network and automatically the information that read only memory stores is sent to user and specifies mailbox or straight
Connecing and with USB flash disk, information is copied out, completing the record of trace information, when being again started up onboard system, system it is first determined whether having
Whether there is mail labelling in network and read only memory ROM, have mail labelling in having network and read only memory ROM, then
Specify mailbox to send mail to user, if no network, continue capture onboard system runs whether exception.
The above disclosed presently preferred embodiments of the present invention that is only is it is impossible to limit the rights protection model of the present invention with this
Enclose, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (10)
1. a kind of onboard system exception handling device it is characterised in that：Including abnormal data memory module, abnormal information capture and
Matching module, service data cache module, read only memory memory module, mail communication module；
Described abnormal data memory module：For prestoring the abnormal information exporting when onboard system occurs abnormal, and to different
Often information is numbered one by one and is defined；
Described abnormal information capture and matching module：For when onboard system occurs abnormal, it is different that capture onboard system exports
The often information abnormal information with the storage of abnormal data memory module is mated；
Described service data cache module：For when the abnormal information that described abnormal information captures and matching module captures and exception
The abnormal information of data memory module storage is when the match is successful, starts to store onboard system and runs vestige；
Described read only memory memory module：For completing when the onboard system of service data cache module runs vestige storage
When, onboard system is run the numbering that vestige and the abnormal information with abnormal data memory module mate and defining and together records
In read only memory；
Described mail communication module：During for there being network, the information of read only memory memory module storage being sent to user and refers to
Determine mailbox；No network when, read only memory memory module is marked, waiting has and automatically store read only memory during network
The information of module stores is sent to user and specifies mailbox.
2. as claimed in claim 1 a kind of onboard system exception handling device it is characterised in that：Described abnormal data stores mould
Block includes to the definition of abnormal information：Crash, restart, operating and no respond.
3. as claimed in claim 1 a kind of onboard system exception handling device it is characterised in that：The capture of described abnormal information and
Using watchdog technique, status check technology, matching module knows whether onboard system exception.
4. as claimed in claim 1 a kind of onboard system exception handling device it is characterised in that：Described service data caches mould
Block follows first in first out, and when the memory space of service data cache module is fully written, new onboard system runs vestige
Run vestige by covering old onboard system.
5. as claimed in claim 1 a kind of onboard system exception handling device it is characterised in that：Read only memory memory module
The Informational support USB flash disk of record is copied out.
6. a kind of onboard system abnormality eliminating method it is characterised in that：Including abnormal data storing step, abnormal information capture and
Matching step, service data caching step, read only memory storing step, mail communication step；
Described abnormal data storing step：Prestore the abnormal information exporting when onboard system occurs abnormal, and to abnormal letter
Breath is numbered one by one and is defined；
Described abnormal information capture and matching step：When onboard system occurs abnormal, the exception letter of capture onboard system output
Cease and mated with the abnormal information of abnormal data storing step storage；
Service data caching step：When the abnormal information of the capture of described abnormal information and matching step capture is stored with abnormal data
The abnormal information of step storage is when the match is successful, starts to store onboard system and runs vestige；
Read only memory storing step：When the onboard system operation vestige storage of service data cache module completes, will be vehicle-mounted
The numbering that system operation vestige and the abnormal information with abnormal data storing step are mated and definition together record in read-only storage
In device；
Mail communication step：When having network, the information that read only memory is stored is sent to user and specifies mailbox；No network when,
Read only memory is marked, waits having during network and automatically the information that read only memory stores is sent to user and specifies postal
Case.
7. as claimed in claim 6 a kind of onboard system abnormality eliminating method it is characterised in that：Described abnormal data storage step
The rapid definition to abnormal information includes：Crash, restart, operating and no respond.
8. as claimed in claim 6 a kind of onboard system abnormality eliminating method it is characterised in that：The capture of described abnormal information and
Using watchdog technique, status check technology, matching step knows whether onboard system exception.
9. as claimed in claim 6 a kind of onboard system abnormality eliminating method it is characterised in that：Described service data caching step
Suddenly follow first in first out, when the memory space of service data caching step is fully written, new onboard system runs vestige
Run vestige by covering old onboard system.
10. as claimed in claim 6 a kind of onboard system abnormality eliminating method it is characterised in that：Read only memory storage step
The Informational support USB flash disk of rapid record is copied out.
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| CN201610874594.8A CN106469108A (en) | 2016-09-30 | 2016-09-30 | A kind of onboard system exception handling device and method |
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| CN201610874594.8A CN106469108A (en) | 2016-09-30 | 2016-09-30 | A kind of onboard system exception handling device and method |
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Cited By (2)
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| CN108279662A (en) * | 2017-12-26 | 2018-07-13 | 惠州市德赛西威汽车电子股份有限公司 | A kind of method that vehicle-mounted fault diagnosis daily record exports automatically |
| CN111240923A (en) * | 2019-11-29 | 2020-06-05 | 惠州市德赛西威汽车电子股份有限公司 | Automatic test method and device for recurring problems of vehicle navigation system and storage medium |
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