CN106143353B - A kind of vehicle-mounted electronic control unit module method for refreshing and system - Google Patents
A kind of vehicle-mounted electronic control unit module method for refreshing and system Download PDFInfo
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Abstract
The present invention discloses a kind of vehicle-mounted electronic control unit module method for refreshing and system, and method includes: that first record is read from the preset configuration file including a plurality of record as current record, and every record includes at least instruction and jumps mode；Instruct sending step, comprising: obtain instruction included by current record as present instruction, send the present instruction to vehicle-mounted electronic control unit module；It obtains vehicle-mounted electronic control unit module and responds module response that the present instruction is returned as current block response；Obtain and jump mode included by current record as currently jumping mode, if it is described it is current to jump mode include next record corresponding with current block response, current record is updated to next record, sending step is executed instruction, otherwise terminates.It is low and reduce the development cycle that the present invention improves recycling rate of waterused.
Description
Technical field
The present invention relates to vehicle-mounted electronic control unit correlative technology field, especially a kind of vehicle-mounted electronic control unit module
Method for refreshing and system.
Background technique
Before 1994, ISO has formulated ISO14230.Before 2008, ISO14230 is domestic many automobile factorys
The deagnostic communication standard that quotient uses, is based on K radiodiagnosis x.But with being phased out for K line, the rise of CAN network is most of
Main engine plants are all transitioned into the diagnosing protocol based on ISO15765.But with the development of In-vehicle networking, but occur MOST,
The multiple networks such as FlexRay, wireless network are simultaneously deposited.For the diagnostic service of unified heterogeneous networks, ISO has formulated a kind of new examine
Disconnected communication protocol, ISO14229-1 are also unified diagnostic service (Unified diagnostic services, UDS).UDS clothes
Business is applied not only to CAN network prevailing at present, can be also used for later MOST, FlexRay, wireless network etc., is grid motor
The development of network is laid the groundwork.UDS standard has generally been used in America and Europe, and as following development trend, certain domestic main engine plants are also just
Gradually toward UDS standard transition, developing one's own UDS standard, the research and development for electronic architecture of new generation.
Simultaneously in some older Vehicle Electronic Control Unit (Electronic Control Unit, ECU) maintenances,
It mostly uses disassembly greatly and replaces the mode of ECU chip, still, once this ECU chip for having completed programming can not obtain, then
Will cause can not repair or situation that maintenance effect is bad, influence vehicle operability and safety.In present new vehicle
In ECU maintenance, due to there being a large amount of information of vehicles in ECU, it can not be repaired by way of replacing ECU chip,
So automobile production manufacturer uses external computer mostly, the mode being directly programmed to ECU chip is original simple to replace
Replacement, repairs ECU or upgrades to achieve the purpose that.Do not allow simply to dismantle vehicle ECU chip, replace.
Existing ECU chip refresh mode, during developing upper layer software (applications), developer first is from hardware supplier
Place obtains complete data file and calibration refresh flow, and the instruction according to appeared in data file, is configured using tool
Instruction set passes through written in code instruction set using programming software.Then developer needs to use configuration tool according to refresh flow
Or use programming tool configuration-direct process on the basis of instruction set.
But in practical applications, following some problems will lead to according to the upper layer software (applications) that above-mentioned software architecture is developed:
First according to the exploitation that the exploitation of the framework is for single module, each new module is required to carry out independent
Exploitation, software recycling rate of waterused is poor, and development efficiency is low.
Secondly, original framework does not support UDS agreement, UDS service can not communicate under original framework.
It again, is the data file exploitation provided according to supplier according to the instruction flow of the exploitation of the framework, due to soft
Part running environment difference, so error rate is relatively high in refresh process.
Summary of the invention
Based on this, it is necessary to and development cycle longer skill low for the ECU refreshing mode recycling rate of waterused of the prior art
Art problem provides a kind of vehicle-mounted electronic control unit module method for refreshing and system.
A kind of vehicle-mounted electronic control unit module method for refreshing, comprising:
Initial step, comprising: first record is read from the preset configuration file including a plurality of record as current
Record, every record include at least instruction and jump mode, execute instruction sending step；
Instruct sending step, comprising: obtain instruction included by current record as present instruction, control to vehicle electronics
Unit module sends the present instruction, execution module response obtaining step；
Module response obtaining step, comprising: obtain the vehicle-mounted electronic control unit module response present instruction and returned
The module response returned executes next record obtaining step as current block response；
Next record obtaining step, comprising: obtain and jump mode included by current record as currently mode is jumped, such as
It includes next record corresponding with current block response that mode is currently jumped described in fruit, then current record is updated to next note
Record, executes instruction sending step, otherwise terminates.
A kind of vehicle-mounted electronic control unit module updating system, comprising:
Initial module is used for: first record is read from the preset configuration file including a plurality of record as current
Record, every record include at least instruction and jump mode, execute instruction sending module；
Instruction sending module is used for: being obtained instruction included by current record as present instruction, is controlled to vehicle electronics
Unit module sends the present instruction, and execution module response obtains module；
Module response obtains module, is used for: obtaining the vehicle-mounted electronic control unit module response present instruction and is returned
The module response returned executes next record and obtains module as current block response；
Next record obtains module, is used for: obtaining and jumps mode included by current record as currently mode is jumped, such as
It includes next record corresponding with current block response that mode is currently jumped described in fruit, then current record is updated to next note
Record, executes instruction sending module, otherwise terminates.
The record that the present invention is jumped by reading control instruction from configuration file, is controlled to realize by configuration file
The refresh process of ECU module.Due to using configuration file, developer only needs protocol modification appropriate to be configuration
Refreshing of the different agreement to ECU module can be realized in file, and it is low and reduce the development cycle to improve recycling rate of waterused.
Detailed description of the invention
Fig. 1 is a kind of vehicle-mounted electronic control unit module method for refreshing of the present invention；
Fig. 2 is the structural schematic diagram of preferred embodiment；
Fig. 3 is a kind of structural module diagram of vehicle-mounted electronic control unit module updating system of the present invention.
Specific embodiment
The present invention will be further described in detail in the following with reference to the drawings and specific embodiments.
It is as shown in Figure 1 a kind of work flow diagram of vehicle-mounted electronic control unit module method for refreshing of the present invention, comprising:
Step S101, comprising: first record is read from the preset configuration file including a plurality of record as current
Record, every record include at least instruction and jump mode, execute step S102；
Step S102, comprising: obtain instruction included by current record as present instruction, to vehicle-mounted electronic control unit
Module sends the present instruction, executes step S103；
Step S103, comprising: obtain vehicle-mounted electronic control unit module and respond the module sound that the present instruction is returned
It should be worth as current block response, execute step S104；
Step S104, comprising: obtain and jump mode included by current record as currently mode is jumped, if described work as
Before to jump mode include next record corresponding with current block response, then current record is updated to next record, executed
Step S102, otherwise terminates.
The present invention develops module updating software from the angle of communications protocol, and it is single to have broken former basis
The mode of Development of Module updating software.Under this framework, configuration file not only provides corresponding instruction, also provides corresponding refresh
Process, developer only need to generate configuration file, without the interface between understanding and ECU, are not necessarily to how understanding sends to ECU
Instruction, therefore development difficulty reduces, the development cycle also reduces, subsequent when needing replacing new agreement, it is only necessary to update configuration
File can complete refresh flow.The present invention can improve the automation process of instruction configuration well, while make software
Modular construction is more clear, and can reduce by 50% development amount refreshed with upper module, substantially increases the repetition benefit of software
With rate, development cost is reduced.
In one of the embodiments:
The record further includes mark sequence number, and the mode that jumps includes at least one data pair, and the data are to packet
It includes module response and jumps sequence number；
The step S104, specifically includes: obtaining and jumps mode included by current record as currently mode is jumped, such as
Fruit, which currently jumps, finds the data pair including current block response in mode, then by the data including current block response
To the included sequence number that jumps as currently jumping sequence number, using mark Serial No. currently jump the record of sequence number as
Current record is updated to next record by next record, is executed instruction obtaining step, is otherwise terminated.
The present embodiment by module response and is jumped sequence number and matched using mark sequence number identification record, is made
Jumping for call instruction can be corresponding with sequence number is jumped according to different module responses, to find identical mark sequence number
And it realizes and passes through configuration of the configuration file to refresh flow.
Preferably, the hexadecimal number of one byte of Serial No., the data are to 16 including two bytes
System number, wherein the hexadecimal number of data pair a byte be module response, the 16 of another byte of data pair
System number is to jump sequence number.
Described instruction includes elementary instruction and order parameter in one of the embodiments,.
Order parameter configures elementary instruction, can be formed by the different cooperations of elementary instruction and order parameter multiple
Different instructions.
Such as: write-in programming date, elementary instruction are 0x3B (a byte hexadecimal number), and configuration parameter is respectively
0x99,0x00,0x00,0x00 (being a byte hexadecimal number).When parameter is 0x99, software can be read currently automatically
System time, the instruction after generation are as follows: 0x3B 0x99 0x20 0x15 0x04 0x22.
The configuration file unifies the generation of diagnostic service agreement according to automobile in one of the embodiments,.
The present embodiment unifies diagnostic service agreement according to automobile and generates configuration file, to realize that ECU refreshes the branch to UDS
It holds.
Be illustrated in figure 2 the structural schematic diagram of preferred embodiment, comprising: upper layer software (applications) 21, configuration file 22,
VCI hardware 23 and vehicle-mounted ECU chip 24.
Configuration file includes multiple records, and every record is as shown in table 1.
1 single of table records schematic table
| Sequence number | Service | Service configuration parameters | Jump mode |
| ## | ## | ######## | G0-G1 G2-G3 G4-G5 G6-G7 G8-G9 |
Wherein:
Sequence number: being made of the hexadecimal number of a BYTE, is the process sequence in refresh process；
Service: being made of the hexadecimal number of a BYTE, is the elementary instruction in refresh process；
Service configuration parameters: being made of the hexadecimal number of four BYTE and service match, and configuration sends instruction；
It jumps mode: being made of the hexadecimal number of 10 BYTE, be divided into 5 groups, every group by two hexadecimal number structures
At previous is module response, and the latter is to jump sequence number.Such as: when module response is G2, program circuit is just jumped
To G3.G0~G9 is respectively the hexadecimal number of a BYTE.
In Fig. 2, upper layer software (applications) 21 needs to load the instruction set write according to related protocol, in refresh process,
A record is read according to module refresh sequence first from configuration file 22, then according to data record configuration-direct, and is led to
It crosses VCI hardware 23 and is sent to vehicle-mounted ECU chip 24.After upper layer software (applications) 21 receives the data feedback of vehicle-mounted ECU chip 24, according to
Feedback data searches in the record of table 1 and jumps sequence.It, can be by the calibration number in configuration file 22 by above-mentioned steps repetitive cycling
According to the module of write-in vehicle-mounted ECU chip 24, refresh process is completed.
The present invention is compared with pervious software architecture, greatly reduces the workload of instruction set exploitation and process exploitation, only
It needs to carry out writing for configuration file, reduces the difficulty of exploitation, while also improving the accuracy of exploitation.
It is illustrated in figure 3 a kind of structural module diagram of vehicle-mounted electronic control unit module updating system of the present invention, comprising:
Initial module 301, is used for: reading first record from the preset configuration file including a plurality of record and is used as and works as
Preceding record, every record include at least instruction and jump mode, execute instruction sending module 302；
Instruction sending module 302, is used for: obtaining instruction included by current record as present instruction, to vehicle electronics
Control unit module sends the present instruction, and execution module response obtains module；
Module response obtains module 303, is used for: obtaining vehicle-mounted electronic control unit module and responds the present instruction institute
The module response of return executes next record and obtains module 304 as current block response；
Next record obtains module 304, is used for: obtaining and jumps mode included by current record as the current side of jumping
Formula, if described, currently to jump mode include next record corresponding with current block response, and current record is updated to
Next record executes instruction sending module 302, otherwise terminates.
In one of the embodiments:
The record further includes mark sequence number, and the mode that jumps includes at least one data pair, and the data are to packet
It includes module response and jumps sequence number；
The next record obtains module, specifically includes: obtaining to jump mode included by current record and be used as and works as front jumping
Turn mode, find the data pair including current block response in mode if currently jumped, will include that current block is rung
The data that should be worth jump sequence number as currently sequence number is jumped to included, and mark Serial No. is currently jumped sequence number
Record as next record, current record is updated to next record, acquisition module is executed instruction, otherwise terminates.
The hexadecimal number of one byte of Serial No. in one of the embodiments, the data are to including two
The hexadecimal number of a byte, wherein the hexadecimal number of data pair a byte be module response, data pair it is another
The hexadecimal number of a byte is to jump sequence number.
Described instruction includes elementary instruction and order parameter in one of the embodiments,.
The configuration file unifies the generation of diagnostic service agreement according to automobile in one of the embodiments,.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of vehicle-mounted electronic control unit module method for refreshing characterized by comprising
Initial step, comprising: first record is read from the preset configuration file including a plurality of record is used as current record,
Every record includes at least instruction and jumps mode, executes instruction sending step；
Instruct sending step, comprising: obtain instruction included by current record as present instruction, to vehicle-mounted electronic control unit
Module sends the present instruction, execution module response obtaining step；
Module response obtaining step, comprising: obtain vehicle-mounted electronic control unit module and respond what the present instruction was returned
Module response executes next record obtaining step as current block response；
Next record obtaining step, comprising: obtain and jump mode included by current record as currently mode is jumped, if institute
Stating and currently jumping mode includes next record corresponding with current block response, then current record is updated to next record,
Sending step is executed instruction, is otherwise terminated；
The record further includes sequence number, and the mode that jumps includes at least one data pair, and the data are rung to including module
It should be worth and jump sequence number；
The next record obtaining step, specifically includes: obtaining and jumps mode included by current record as the current side of jumping
Formula finds the data pair including current block response if currently jumped, will include current block response in mode
Data to the included sequence number that jumps as currently sequence number is jumped, Serial No. is currently jumped to the record work of sequence number
For next record, current record is updated to next record, obtaining step is executed instruction, otherwise terminates.
2. vehicle-mounted electronic control unit module method for refreshing according to claim 1, which is characterized in that the Serial No.
The hexadecimal number of one byte, the data are to the hexadecimal number including two bytes, wherein data pair a byte
Hexadecimal number be module response, the hexadecimal number of another byte of data pair is to jump sequence number.
3. vehicle-mounted electronic control unit module method for refreshing according to claim 1, which is characterized in that described instruction includes
Elementary instruction and order parameter.
4. vehicle-mounted electronic control unit module method for refreshing according to claim 1, which is characterized in that the configuration file
Unify diagnostic service agreement according to automobile to generate.
5. a kind of vehicle-mounted electronic control unit module updating system characterized by comprising
Initial module is used for: first record read from the preset configuration file including a plurality of record is used as current record,
Every record includes at least instruction and jumps mode, executes instruction sending module；
Instruction sending module is used for: obtaining instruction included by current record as present instruction, to vehicle-mounted electronic control unit
Module sends the present instruction, and execution module response obtains module；
Module response obtains module, is used for: obtaining vehicle-mounted electronic control unit module and responds what the present instruction was returned
Module response executes next record and obtains module as current block response；
Next record obtains module, is used for: obtaining and jumps mode included by current record as currently mode is jumped, if institute
Stating and currently jumping mode includes next record corresponding with current block response, then current record is updated to next record,
Sending module is executed instruction, is otherwise terminated；
The record further includes sequence number, and the mode that jumps includes at least one data pair, and the data are rung to including module
It should be worth and jump sequence number；
The next record obtains module, specifically includes: obtaining and jumps mode included by current record as the current side of jumping
Formula finds the data pair including current block response if currently jumped, will include current block response in mode
Data to the included sequence number that jumps as currently sequence number is jumped, Serial No. is currently jumped to the record work of sequence number
For next record, current record is updated to next record, acquisition module is executed instruction, otherwise terminates.
6. vehicle-mounted electronic control unit module updating system according to claim 5, which is characterized in that the Serial No.
The hexadecimal number of one byte, the data are to the hexadecimal number including two bytes, wherein data pair a byte
Hexadecimal number be module response, the hexadecimal number of another byte of data pair is to jump sequence number.
7. vehicle-mounted electronic control unit module updating system according to claim 5, which is characterized in that described instruction includes
Elementary instruction and order parameter.
8. vehicle-mounted electronic control unit module updating system according to claim 5, which is characterized in that the configuration file
Unify diagnostic service agreement according to automobile to generate.
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| CN102053569A (en) * | 2010-12-13 | 2011-05-11 | 普华基础软件股份有限公司 | Self refresh method and self-refresh device used for automotive electronic controller |
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| CN103377057A (en) * | 2012-04-20 | 2013-10-30 | 上海通用汽车有限公司 | System and method for refreshing software of user vehicle electronic control module |
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| DE102009018761A1 (en) * | 2009-04-27 | 2010-10-28 | Bayerische Motoren Werke Aktiengesellschaft | Process for updating software components |
| KR101463604B1 (en) * | 2013-04-24 | 2014-11-20 | 주식회사 오비고 | Method, system, and computer-readable recording media for updating electronic control unit |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101286066A (en) * | 2007-12-28 | 2008-10-15 | 奇瑞汽车股份有限公司 | Automobile controller software refreshing method |
| CN102053569A (en) * | 2010-12-13 | 2011-05-11 | 普华基础软件股份有限公司 | Self refresh method and self-refresh device used for automotive electronic controller |
| CN102736925A (en) * | 2011-04-14 | 2012-10-17 | 比亚迪股份有限公司 | Vehicle software updating method and system |
| CN103377057A (en) * | 2012-04-20 | 2013-10-30 | 上海通用汽车有限公司 | System and method for refreshing software of user vehicle electronic control module |
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