CN110223415A - Diagnostic method and its system based on the identification of vehicle electrically controlling module software information - Google Patents
Diagnostic method and its system based on the identification of vehicle electrically controlling module software information Download PDFInfo
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- CN110223415A CN110223415A CN201910418348.5A CN201910418348A CN110223415A CN 110223415 A CN110223415 A CN 110223415A CN 201910418348 A CN201910418348 A CN 201910418348A CN 110223415 A CN110223415 A CN 110223415A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0808—Diagnosing performance data
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
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Abstract
A kind of diagnostic method based on the identification of vehicle electrically controlling module software information, comprising: send self-identifying order to vehicle ECU；Receive the electronic control module software information that the vehicle ECU is returned；Software version number is parsed from the electronic control module software information, as keyword；The keyword is matched in the keyword and diagnostic file mapping table of database, finds corresponding diagnostic file；Diagnostics Interfaces are generated by the diagnostic file.The method of the present invention can fast and effeciently confirm the bottom software of electronic control module on vehicle, and then find corresponding diagnostic file and generate corresponding Diagnostics Interfaces, and personnel easy to repair diagnose, and improve diagnosis efficiency.
Description
Technical field
The present invention relates to vehicle diagnostics technical field more particularly to it is a kind of based on vehicle electrically controlling module software information identification
Diagnostic method and its system.
Background technique
With the development of automobile industry, the electric-control system of vehicle becomes increasingly complex, and the electronic control module of different function type is got over
Come it is more, have control engine module (ECU), have control post-process module (DCU), have control brake module (ABS),
There is the module (CBCU) of control vehicle body, has the module (TCU) of control gearbox, there is module (ICU) of control instrument etc., each module
The function of realization is also different.
Electronic control module on vehicle is produced by different manufacturers；The function of each module simultaneously, can be according to vehicle factor
Demand be customized.Reflect application, i.e., the bottom software in each module is different.Different bottom software, is examined
Disconnected method and agreement are different.
The practitioner of maintenance industry can not fast and effeciently confirm the bottom software of electronic control module on vehicle, carry out
When diagnosis, there can be very big puzzlement:
1, the software of misidentification mistake can not establish correct effective connection, can not further progress diagnosis；
Even if 2, establishing effective connection with the software of misidentification, but read information be it is wrong, can not carry out effectively
Diagnosis；
3, it needs repeatedly to attempt, just can confirm that it is which bottom software in certain electronic control module.
In short, when can not quickly confirm the bottom software of electronic control module of vehicle, diagnosis and repair inefficiency.
Summary of the invention
Based on this, in view of the above technical problems, a kind of diagnosis side based on the identification of vehicle electrically controlling module software information is provided
Method and its system.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of diagnostic method based on the identification of vehicle electrically controlling module software information, comprising:
Self-identifying order is sent to vehicle ECU；
Receive the electronic control module software information that the vehicle ECU is returned；
Software version number is parsed from the electronic control module software information, as keyword；
The keyword is matched in the keyword and diagnostic file mapping table of database, finds corresponding diagnosis text
Part；
Diagnostics Interfaces are generated by the diagnostic file.
It is described to include: to vehicle ECU transmission self-identifying order
A, communications parameter is obtained:
Packaging parameter is read from database, if packaging parameter is 10, reads specific communication modes-communication from database
Stitch-baud rate, as communications parameter；
If packaging parameter is 00, communication modes, communication stitch and baud are read respectively from database and diagnostic port
Rate, and it is combined acquisition communication modes-communication stitch-baud rate, as communications parameter；
If packaging parameter is 11, communication modes, communication stitch and baud rate are read from diagnostic port, and be combined and obtain
Communication modes-communication stitch-baud rate is obtained, as communications parameter；
If packaging parameter is 01, communication modes, communication stitch and baud rate are read from database, and be combined acquisition
Communication modes-communication stitch-baud rate, as communications parameter；
B, recognition command is read from from database；
C, the communication modes of the corresponding self-identifying order are read from database；
D, the communication modes read by step C are matched to corresponding communications parameter；
E, give out a contract for a project number and sequence of giving out a contract for a project are read from database, are passed through the number of giving out a contract for a project, are given out a contract for a project sequentially and match
The self-identifying order read to communications parameter sending step B.
It provides one and configures communication modes, communication stitch, baud rate, specific communication modes-communication to database for user
Stitch-baud rate, number of giving out a contract for a project, give out a contract for a project sequence and packaging parameter operation interface.
The position of software version number and format parsing in the electronic control module software information returned according to each producer's vehicle ECU
Software version number out, as keyword.
The keyword is matched in the keyword in database and diagnostic file mapping table, finds corresponding examine
Disconnected file includes:
The keyword match parameter type, key1, key2, key3 and is examined with having in diagnostic file mapping table
Disconnected file name value；
When match parameter type is 1, the priority of the priority > key3 of the priority > key2 of key1, the key
Word is first matched with key1, if matching, finds corresponding diagnostic file；If the keyword and key1 are mismatched, with
Key2 is matched, if matching, finds corresponding diagnostic file；If the keyword is mismatched with key1, key2, with
Key3 is matched, if matching, finds corresponding diagnostic file；
When match parameter type is 2, if the keyword includes to look for key1, key2 and key3 in a line
To corresponding diagnostic file.
This programme further relates to a kind of diagnostic system based on the identification of vehicle electrically controlling module software information, including examines set on vehicle
Memory module in disconnected equipment is stored with a plurality of instruction in the memory module, and described instruction is loaded and executed by processor:
Self-identifying order is sent to vehicle ECU；
Receive the electronic control module software information that the vehicle ECU is returned；
Software version number is parsed from the electronic control module software information, as keyword；
The keyword is matched in the keyword and diagnostic file mapping table of database, finds corresponding diagnosis text
Part；
Diagnostics Interfaces are generated by the diagnostic file.
Sending self-identifying order to vehicle ECU by the communication configuration parameter includes:
A, communications parameter is obtained:
Packaging parameter is read from database, if packaging parameter is 10, reads specific communication modes-communication from database
Stitch-baud rate, as communications parameter；
If packaging parameter is 00, communication modes, communication stitch and baud are read respectively from database and diagnostic port
Rate, and it is combined acquisition communication modes-communication stitch-baud rate, as communications parameter；
If packaging parameter is 11, communication modes, communication stitch and baud rate are read from diagnostic port, and be combined and obtain
Communication modes-communication stitch-baud rate is obtained, as communications parameter；
If packaging parameter is 01, communication modes, communication stitch and baud rate are read from database, and be combined acquisition
Communication modes-communication stitch-baud rate, as communications parameter；
B, recognition command is read from from database；
C, the communication modes of the corresponding self-identifying order are read from database；
D, the communication modes read by step C are matched to corresponding communications parameter；
E, give out a contract for a project number and sequence of giving out a contract for a project are read from database, are passed through the number of giving out a contract for a project, are given out a contract for a project sequentially and match
The self-identifying order read to communications parameter sending step B.
It provides one and configures communication modes, communication stitch, baud rate, specific communication modes-communication to database for user
Stitch-baud rate, number of giving out a contract for a project, give out a contract for a project sequence and packaging parameter operation interface.
The position of software version number and format parsing in the electronic control module software information returned according to each producer's vehicle ECU
Software version number out, as keyword.
The keyword is matched in the keyword in database and diagnostic file mapping table, finds corresponding examine
Disconnected file includes:
The keyword match parameter type, key1, key2, key3 and is examined with having in diagnostic file mapping table
Disconnected file name value；
When match parameter type is 1, the priority of the priority > key3 of the priority > key2 of key1, the key
Word is first matched with key1, if matching, finds corresponding diagnostic file；If the keyword and key1 are mismatched, with
Key2 is matched, if matching, finds corresponding diagnostic file；If the keyword is mismatched with key1, key2, with
Key3 is matched, if matching, finds corresponding diagnostic file；
When match parameter type is 2, if the keyword includes to look for key1, key2 and key3 in a line
To corresponding diagnostic file.
The method of the present invention can fast and effeciently confirm the bottom software of electronic control module on vehicle, and then find corresponding diagnosis
File simultaneously generates corresponding Diagnostics Interfaces, and personnel easy to repair diagnose, and improve diagnosis efficiency.
Specific embodiment
A kind of diagnostic method based on the identification of vehicle electrically controlling module software information, comprising:
One, self-identifying order is sent from diagnostic device to vehicle ECU, wherein self-identifying order can be such that vehicle ECU returns
Electronic control module software information, the step specifically include:
A, communications parameter is obtained:
Packaging parameter is read from database, specific communication modes-communication stitch-baud rate is preferentially judged, i.e., preferably sentences
Whether disconnected parameter is 10, if packaging parameter is 10, reads specific communication modes-communication stitch-baud rate from database, makees
For communications parameter.
If packaging parameter is 00, communication modes, communication stitch and baud are read respectively from database and diagnostic port
Rate, and it is combined acquisition communication modes-communication stitch-baud rate, as communications parameter.The data of diagnostic port are set by diagnosing
Standby slave computer (interface adapter), which scans, to be read.
If packaging parameter is 11, communication modes, communication stitch and baud rate are read from diagnostic port, and be combined and obtain
Communication modes-communication stitch-baud rate is obtained, as communications parameter.
If packaging parameter is 01, communication modes, communication stitch and baud rate are read from database, and be combined acquisition
Communication modes-communication stitch-baud rate, as communications parameter.
The present invention provides an operation interface on diagnostic device, which configures communication side to database for user
Formula, communication stitch, baud rate, specific communication modes-communication stitch-baud rate, number of giving out a contract for a project, sequence of giving out a contract for a project and packaging ginseng
Several operation interfaces.
Wherein, communication modes, which refer to, is communicated with ECU by the mode of CAN, K, 485 or 232, and a kind of diagnosing protocol is corresponding
Diagnostic device is established by K and ECU and is communicated by one communication modes, such as 14230 diagnosing protocols；It is configured in operation interface
When, when there are multiple communication modes, separated between different communication modes with English branch, communication modes have sequencing, fill out
Front is write on, then is preferentially communicated.
When communication pin is referred to ECU communication, diagnose which pin on interface is communicated by OBD, in operation interface
When being configured, pass through communication pin-CAN, communication pin-K, communication pin -485 and the configuration column point for communicating pin -232
The other pin to different communication modes configures, and when there is the communication of multiple groups pin, is separated with English branch, communicates filling out for pin
With sequencing, front is filled in, is preferentially communicated.Only when communication modes are configured with corresponding mode, communication
Pin just works, and if communication modes are configured with CAN, then the pin configured in communication pin-CAN just works, and such as communicates
Mode does not configure K, then communicates the pin configured in pin-K and do not work.
Baud rate refers to baud rate when communicating with ECU, when operation interface is configured, when there is multiple groups baud rate,
By the configuration column of baud rate-CAN, baud rate-K, baud rate -485 and baud rate -232 respectively to different communication modes
Baud rate carries out configuration and is separated with English branch, and baud rate is filled with sequencing, fills in front, is preferentially led to
News.Only when communication modes are configured with corresponding mode, baud rate just works, if communication modes are configured with CAN, then in wave
The baud rate configured in special rate-CAN just works, and if communication modes do not configure K, then the baud rate configured in baud rate-K is not
It works.
Number of giving out a contract for a project is the number for sending each self-identifying order and retrying in case of no response, is configured to 2 just
It is to amount to hair 2 times, being configured to 23 is exactly to amount to hair 3 times.
Sequence of giving out a contract for a project defines the combination of communications parameter Yu self-identifying order.If there is 2 communications parameters, 2 lives
It enables, can be first with first communications parameter, two orders are distributed one by one, then with second communications parameter, two orders
It distributes；It can also first be ordered with first, match communications parameter one by one and give out a contract for a project.
When sequence of giving out a contract for a project is defined as 01, is first ordered with first, attempt all communications parameters, and so on.
When sequence of giving out a contract for a project is defined as 10, first with first communications parameter, all orders are attempted, and so on.
The special parameter column of operation interface can configure specific communication modes-communication stitch-baud rate, and filling in format is
CAN-6/14-250；K-7-10400 can fill in multiple groups, be separated with English branch.
B, recognition command is read from from database.The present invention is pre- by the corresponding self-identifying order of each electronic control module of each vehicle
It is first stored in database, each self-identifying order corresponds to corresponding parameter and resolution rules, is shown in Table 1.
| ID | Order packet ID | Communication modes | Communication mode | Receive and dispatch ID | Initialization command | Self-identifying order | Resolution rules |
| 1 | 1 | k | k | 11F1 | 1A 8E | k5,k6,k7 | |
| 2 | 1 | k | k | 11F1 | 1A 94 | k5,k6,k7 | |
| 3 | 1 | k | k | 11F1 | 1A 95 | k5,k6,k7 | |
| 4 | 2 | can | CAN | 98DA00FA | 1A 8E | k5,k6,k7 | |
| 5 | 2 | can | CAN | 98DA00FA | 1A 94 | k5,k6,k7 | |
| 6 | 2 | can | CAN | 98DA00FA | 1A 95 | k5,k6,k7 |
Table 1
Wherein, ID is system automatically generated, does not allow to modify.
Order packet ID is the ID of each order packet, can be modified.
Communication modes: K, CAN, 485 or 232.
Communication mode: ibid.
Transmitting-receiving ID: say the word and receive the address of data.
Initialization command: nonessential, some diagnosing protocols need to send initialization command and ECU is established and communicated, Zhi Houfa
The self-identifying order sent just will receive effective reply, such as diagnosing protocol 14230, needs first to send out 81 and establishes communication with ECU.
Resolution rules: for being parsed to the corresponding electronic control module software information of return.
C, the communication modes of corresponding self-identifying order are read from database.
D, the communication modes read by step C obtain communications parameter with step A and are matched, obtain corresponding communication
Parameter.If the step C communication modes for reading certain self-identifying order are K, and the communications parameter obtained in step A is K- stitch-
Baud rate, CAN- stitch-baud rate, the then communications parameter obtained through overmatching are K- stitch-baud rate.
E, give out a contract for a project number and sequence of giving out a contract for a project are read from database, by number of giving out a contract for a project, sequence of giving out a contract for a project and are matched to logical
Interrogate the self-identifying order that parameter sending step B is read.
Two, the electronic control module software information that vehicle ECU is returned is received by diagnostic device.
Three, software version number is parsed from electronic control module software information, as keyword.In parsing, according to each factory
The position of software version number and format are parsed in the electronic control module software information that family vehicle ECU is returned.
The present invention is set for the position of software version number in the returned electronic control module software information of general vehicle and format
Set nine kinds of resolution rules k1-k9, every kind of rule all has corresponding configuration parameter, configuration parameter store in the database, with
Corresponding resolution rules are corresponding, can find corresponding configuration parameter by resolution rules, detailed description are as follows:
1)K1
Configuration parameter: x01x02x03
Analytic method: x01x02x03, which is represented, takes preceding 3 bytes (from left to right) of electronic control module software information as crucial
Word.
2)K2
Configuration parameter: [x01x02x03]
Analytic method: after taking preceding 3 bytes (from left to right) of electronic control module software information, switch to asc2 as crucial
Word.
3)K3
Configuration parameter: D [x01x02x03]
Analytic method: after taking preceding 3 bytes (from left to right) of electronic control module software information, switch to the decimal system as crucial
Word.
4)K4
Configuration parameter: [x01x02x03] * 0.2-128 < 10:key1；>15:key2；key3
Analytic method: carrying out * 0.2-128 operation after taking preceding 3 bytes of electronic control module software information to be converted into 10 systems,
If operation result less than 10, using the value of key1 as keyword, if operation result is greater than 15, using the value of key2 as
Keyword, otherwise, using the value of key3 as keyword.
5)K5
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, taking the first English colon from left to right,
Data after second English colon such as take out two as keyword, then have 2 keywords, take out 1, then and only 1
A keyword.
It is 60000000:10SW015775:924741DC:80000000 after switching to asc2 such as electronic control module software information:
10SW015775:924741DC:, it is 10SW015775924741DC after parsing.
6)K6
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, the data before .hex is only taken, are removed
English alphabet and underscore, the character retained are keyword.
It is P_949_732_FULL_SCR.hex RB EDC17 P949 after switching to asc2 such as electronic control module software information
V732 is 949732 after parsing.
7)K7
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, the number in ending [] is taken, English is removed
In text mother, underscore and the remaining number of English point number, if the 4th and the 5th is 16, remove, remaining character
It is not 16 for keyword, then alphabet is keyword.
Such as electronic control module software information switchs to after asc2 for BOSCH EDC7UC31-14.E0 MPC561/RevA CC_
56/56/20 10.02.2008 of OFF [F_PA_P_579.16.4.7] is 57947 after parsing.
8)K8
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, remove the remaining number of spcial character
It is gone after dropping character for keyword, such as P_949_732, keyword is exactly 949732.
9)K9
Configuration parameter:
[18FFDF00,18FFFDDF02],key1；[18FFDF00,18FFFDDF03],key2；key3
Analytic method: the frame ID of the electronic control module software information of return is matched in above-mentioned configuration parameter, is completely included
State ID, and include it is most, then return corresponding key be keyword.
If the frame ID of the electronic control module software information of return is 18FFDF00,18FFFDDF02,18FFFDDF03,
18FFFDDF04, the then value of value and key2 that the keyword being resolved to is two: key1.
It is, of course, also possible to which the effect for limiting ID is looked in the keyword by parsing for resolution rules setting limitation ID
When to corresponding diagnostic file, the address of lookup is limited, limitation ID is not provided with and then defaults in all address searches, conversely, then existing
Corresponding address search diagnostic file.
Four, keyword is matched in the keyword of database and diagnostic file mapping table, finds corresponding diagnosis text
Part, this step specifically includes:
There is match parameter type, key1, key2, key3 and diagnosis text in keyword and diagnostic file mapping table
Part title value, referring to table 2.
Table 2
1) ID is system identifier.
2) type refers to match parameter.
3) key1-key3 with the keyword parsed for being matched.
4) value is diagnostic file title.
5) hint is prompt information, and the software systems name of electronic control module is shown to user.
6) remarks is remark information, and inside uses.
When match parameter type is 1, the priority of the priority > key3 of the priority > key2 of key1, keyword elder generation
It is matched with key1, if matching, finds corresponding diagnostic file by corresponding value；If keyword and key1 are not
Match, matched with key2, if matching, finds corresponding diagnostic file by corresponding value；If keyword and key1,
Key2 is mismatched, and is matched with key3, if matching, finds corresponding diagnostic file by corresponding value.
When match parameter type is 2, if keyword include with key1, key2 and key3 in a line, by pair
The value answered finds corresponding diagnostic file.
It should be pointed out that work as the same keyword, i.e., and key1, and when being matched with key2 and key3, by corresponding
After value finds corresponding diagnostic file, the diagnostic file of highest priority is taken.It is diagnosed when being matched to priority identical two
When file, preferential first.
Five, diagnostic device generates Diagnostics Interfaces by diagnostic file.
The method of the present invention can fast and effeciently confirm the bottom software of electronic control module on vehicle, and then find corresponding diagnosis
File simultaneously generates corresponding Diagnostics Interfaces, and personnel easy to repair diagnose, and improve diagnosis efficiency.
In addition, the present invention can read communication modes, communication stitch and baud respectively from database and diagnostic port
Rate, and it is combined acquisition communication modes-communication stitch-baud rate, it goes to send self-identifying order, Ke Yigeng as communications parameter
Corresponding diagnostic file is more accurately found fastly.
It is exemplified below:
The communication modes of database configuration: CAN, K.
Communication pin-the CAN:6,14 of database configuration.
Communication pin-the K:7 of database configuration.
Communication baud rate-the CAN:250 of database configuration.
Communication baud rate-the K:10400 of database configuration.
The configuration parameter of port scan: CAN-3/11-500, K-7-10400.
The packaging explanation of database configuration: 00, represent the combined information that communications parameter uses slave computer and database.
The communications parameter obtained after so combining has 3 groups:
CAN-6/14-250,CAN-3/11-500,K-7-10400。
Screening rule: the exclusion to conflict with sweep parameter；Ordering rule: the first priority is sweep parameter, and second is preferential
Grade is the sequencing of baud rate, from small to large.
Combination sequence after then screening are as follows: CAN-3/11-500, K-7-10400, CAN-6/14-250.
The order such as table 3 of database configuration.
| ID | Order packet ID | Communication modes | Communication mode | Receive and dispatch ID | Initialization command | Resolve command | Resolution rules |
| 1 | 1 | CAN | CAN | 98DA00FA | 1A 8E | k5,k6,k7 | |
| 2 | 2 | CAN | CAN | 98DA10FA | 1A 94 | K5 | |
| 3 | 3 | K | K | 11F1 | 1A 94 | k5 |
Table 3
The sequence of giving out a contract for a project of database configuration is 10, represents first with first communications parameter, attempts all orders, successively class
It pushes away, process of giving out a contract for a project is as follows:
1. first sending out 1A 8E at CAN-3/11-500 with address 98DA00FA, receives reply and accordingly parsed,
With corresponding diagnostic file；If not receiving reply, attempt to send next group of combination.
2. sending out 1A 94 at CAN-3/11-500 with address 98DA10FA, receives reply and accordingly parsed, matched
Corresponding diagnostic file；If not receiving reply, attempt to send next group of combination.
3. sending out 1A 94 at K-7-10400 with address 11f1, receives reply and accordingly parsed, matched corresponding
Diagnostic file；If not receiving reply, attempt to send next group of combination.
4. sending out 1A 8E at CAN-6/14-250 with address 98DA00FA, receives reply and accordingly parsed, matched
Corresponding diagnostic file；If not receiving reply, attempt to send next group of combination.
5. sending out 1A 94 at CAN-6/14-250 with address 98DA10FA, receives reply and accordingly parsed, matched
Corresponding diagnostic file；If not receiving reply, Communications failure is prompted.
This programme further relates to a kind of diagnostic system based on the identification of vehicle electrically controlling module software information, including examines set on vehicle
Memory module in disconnected equipment is stored with a plurality of instruction in memory module, and instruction is loaded and executed by processor:
One, self-identifying order is sent from diagnostic device to vehicle ECU, wherein self-identifying order can be such that vehicle ECU returns
Electronic control module software information, the step specifically include:
A, communications parameter is obtained:
Packaging parameter is read from database, specific communication modes-communication stitch-baud rate is preferentially judged, i.e., preferably sentences
Whether disconnected parameter is 10, if packaging parameter is 10, reads specific communication modes-communication stitch-baud rate from database, makees
For communications parameter.
If packaging parameter is 00, communication modes, communication stitch and baud are read respectively from database and diagnostic port
Rate, and it is combined acquisition communication modes-communication stitch-baud rate, as communications parameter.The data of diagnostic port are set by diagnosing
Standby slave computer (interface adapter), which scans, to be read.
If packaging parameter is 11, communication modes, communication stitch and baud rate are read from diagnostic port, and be combined and obtain
Communication modes-communication stitch-baud rate is obtained, as communications parameter.
If packaging parameter is 01, communication modes, communication stitch and baud rate are read from database, and be combined acquisition
Communication modes-communication stitch-baud rate, as communications parameter.
The present invention provides an operation interface on diagnostic device, which configures communication side to database for user
Formula, communication stitch, baud rate, specific communication modes-communication stitch-baud rate, number of giving out a contract for a project, sequence of giving out a contract for a project and packaging ginseng
Several operation interfaces.
Wherein, communication modes, which refer to, is communicated with ECU by the mode of CAN, K, 485 or 232, and a kind of diagnosing protocol is corresponding
Diagnostic device is established by K and ECU and is communicated by one communication modes, such as 14230 diagnosing protocols；It is configured in operation interface
When, when there are multiple communication modes, separated between different communication modes with English branch, communication modes have sequencing, fill out
Front is write on, then is preferentially communicated.
When communication pin is referred to ECU communication, diagnose which pin on interface is communicated by OBD, in operation interface
When being configured, pass through communication pin-CAN, communication pin-K, communication pin -485 and the configuration column point for communicating pin -232
The other pin to different communication modes configures, and when there is the communication of multiple groups pin, is separated with English branch, communicates filling out for pin
With sequencing, front is filled in, is preferentially communicated.Only when communication modes are configured with corresponding mode, communication
Pin just works, and if communication modes are configured with CAN, then the pin configured in communication pin-CAN just works, and such as communicates
Mode does not configure K, then communicates the pin configured in pin-K and do not work.
Baud rate refers to baud rate when communicating with ECU, when operation interface is configured, when there is multiple groups baud rate,
By the configuration column of baud rate-CAN, baud rate-K, baud rate -485 and baud rate -232 respectively to different communication modes
Baud rate carries out configuration and is separated with English branch, and baud rate is filled with sequencing, fills in front, is preferentially led to
News.Only when communication modes are configured with corresponding mode, baud rate just works, if communication modes are configured with CAN, then in wave
The baud rate configured in special rate-CAN just works, and if communication modes do not configure K, then the baud rate configured in baud rate-K is not
It works.
Number of giving out a contract for a project is the number for sending each self-identifying order and retrying in case of no response, is configured to 2 just
It is to amount to hair 2 times, being configured to 23 is exactly to amount to hair 3 times.
Sequence of giving out a contract for a project defines the combination of communications parameter Yu self-identifying order.If there is 2 communications parameters, 2 lives
It enables, can be first with first communications parameter, two orders are distributed one by one, then with second communications parameter, two orders
It distributes；It can also first be ordered with first, match communications parameter one by one and give out a contract for a project.
When sequence of giving out a contract for a project is defined as 01, is first ordered with first, attempt all communications parameters, and so on.
When sequence of giving out a contract for a project is defined as 10, first with first communications parameter, all orders are attempted, and so on.
The special parameter column of operation interface can configure specific communication modes-communication stitch-baud rate, and filling in format is
CAN-6/14-250；K-7-10400 can fill in multiple groups, be separated with English branch.
B, recognition command is read from from database.The present invention is pre- by the corresponding self-identifying order of each electronic control module of each vehicle
It is first stored in database, each self-identifying order corresponds to corresponding parameter and resolution rules, is shown in Table 1.
| ID | Order packet ID | Communication modes | Communication mode | Receive and dispatch ID | Initialization command | Self-identifying order | Resolution rules |
| 1 | 1 | k | k | 11F1 | 1A 8E | k5,k6,k7 | |
| 2 | 1 | k | k | 11F1 | 1A 94 | k5,k6,k7 | |
| 3 | 1 | k | k | 11F1 | 1A 95 | k5,k6,k7 | |
| 4 | 2 | can | CAN | 98DA00FA | 1A 8E | k5,k6,k7 | |
| 5 | 2 | can | CAN | 98DA00FA | 1A 94 | k5,k6,k7 | |
| 6 | 2 | can | CAN | 98DA00FA | 1A 95 | k5,k6,k7 |
Table 1
Wherein, ID is system automatically generated, does not allow to modify.
Order packet ID is the ID of each order packet, can be modified.
Communication modes: K, CAN, 485 or 232.
Communication mode: ibid.
Transmitting-receiving ID: say the word and receive the address of data.
Initialization command: nonessential, some diagnosing protocols need to send initialization command and ECU is established and communicated, Zhi Houfa
The self-identifying order sent can just receive effective reply, such as diagnosing protocol 14230, need first to send out 81 and establish communication with ECU.
Resolution rules: for being parsed to the corresponding electronic control module software information of return.
C, the communication modes of corresponding self-identifying order are read from database.
D, the communication modes read by step C obtain communications parameter with step A and are matched, obtain corresponding communication
Parameter.If the step C communication modes for reading certain self-identifying order are K, and the communications parameter obtained in step A is K- stitch-
Baud rate, CAN- stitch-baud rate, the then communications parameter obtained through overmatching are K- stitch-baud rate.
E, give out a contract for a project number and sequence of giving out a contract for a project are read from database, by number of giving out a contract for a project, sequence of giving out a contract for a project and are matched to logical
Interrogate the self-identifying order that parameter sending step B is read.
Two, the electronic control module software information that vehicle ECU is returned is received by diagnostic device.
Three, software version number is parsed from electronic control module software information, as keyword.In parsing, according to each factory
The position of software version number and format are parsed in the electronic control module software information that family vehicle ECU is returned.
The present invention is set for the position of software version number in the returned electronic control module software information of general vehicle and format
Set nine kinds of resolution rules k1-k9, every kind of rule all has corresponding configuration parameter, configuration parameter store in the database, with
Corresponding resolution rules are corresponding, can find corresponding configuration parameter by resolution rules, detailed description are as follows:
1)K1
Configuration parameter: x01x02x03
Analytic method: x01x02x03, which is represented, takes preceding 3 bytes (from left to right) of electronic control module software information as crucial
Word.
2)K2
Configuration parameter: [x01x02x03]
Analytic method: after taking preceding 3 bytes (from left to right) of electronic control module software information, switch to asc2 as crucial
Word.
3)K3
Configuration parameter: D [x01x02x03]
Analytic method: after taking preceding 3 bytes (from left to right) of electronic control module software information, switch to the decimal system as crucial
Word.
4)K4
Configuration parameter: [x01x02x03] * 0.2-128 < 10:key1；>15:key2；key3
Analytic method: carrying out * 0.2-128 operation after taking preceding 3 bytes of electronic control module software information to be converted into 10 systems,
If operation result less than 10, using the value of key1 as keyword, if operation result is greater than 15, using the value of key2 as
Keyword, otherwise, using the value of key3 as keyword.
5)K5
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, taking the first English colon from left to right,
Data after second English colon such as take out two as keyword, then have 2 keywords, take out 1, then and only 1
A keyword.
It is 60000000:10SW015775:924741DC:80000000 after switching to asc2 such as electronic control module software information:
10SW015775:924741DC:, it is 10SW015775924741DC after parsing.
6)K6
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, the data before .hex is only taken, are removed
English alphabet and underscore, the character retained are keyword.
It is P_949_732_FULL_SCR.hex RB EDC17 P949 after switching to asc2 such as electronic control module software information
V732 is 949732 after parsing.
7)K7
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, the number in ending [] is taken, English is removed
In text mother, underscore and the remaining number of English point number, if the 4th and the 5th is 16, remove, remaining character
It is not 16 for keyword, then alphabet is keyword.
Such as electronic control module software information switchs to after asc2 for BOSCH EDC7UC31-14.E0 MPC561/RevA CC_
OFF 56/56/2010.02.2008 [F_PA_P_579.16.4.7] is 57947 after parsing.
8)K8
Configuration parameter: nothing
Analytic method: after the electronic control module software information of return is switched to asc2, remove the remaining number of spcial character
It is gone after dropping character for keyword, such as P_949_732, keyword is exactly 949732.
9)K9
Configuration parameter:
[18FFDF00,18FFFDDF02],key1；[18FFDF00,18FFFDDF03],key2；key3
Analytic method: the frame ID of the electronic control module software information of return is matched in above-mentioned configuration parameter, is completely included
State ID, and include it is most, then return corresponding key be keyword.
If the frame ID of the electronic control module software information of return is 18FFDF00,18FFFDDF02,18FFFDDF03,
18FFFDDF04, the then value of value and key2 that the keyword being resolved to is two: key1.
It is, of course, also possible to which the effect for limiting ID is looked in the keyword by parsing for resolution rules setting limitation ID
When to corresponding diagnostic file, the address of lookup is limited, limitation ID is not provided with and then defaults in all address searches, conversely, then existing
Corresponding address search diagnostic file.
Four, keyword is matched in the keyword of database and diagnostic file mapping table, finds corresponding diagnosis text
Part, this step specifically includes:
There is match parameter type, key1, key2, key3 and diagnosis text in keyword and diagnostic file mapping table
Part title value, referring to table 2.
Table 2
1) ID is system identifier.
2) type refers to match parameter.
3) key1-key3 with the keyword parsed for being matched.
4) value is diagnostic file title.
5) hint is prompt information, and the software systems name of electronic control module is shown to user.
6) remarks is remark information, and inside uses.
When match parameter type is 1, the priority of the priority > key3 of the priority > key2 of key1, keyword elder generation
It is matched with key1, if matching, finds corresponding diagnostic file by corresponding value；If keyword and key1 are not
Match, matched with key2, if matching, finds corresponding diagnostic file by corresponding value；If keyword and key1,
Key2 is mismatched, and is matched with key3, if matching, finds corresponding diagnostic file by corresponding value.
When match parameter type is 2, if keyword include with key1, key2 and key3 in a line, by pair
The value answered finds corresponding diagnostic file.
It should be pointed out that work as the same keyword, i.e., and key1, and when being matched with key2 and key3, by corresponding
After value finds corresponding diagnostic file, the diagnostic file of highest priority is taken.It is diagnosed when being matched to priority identical two
When file, preferential first.
Five, diagnostic device generates Diagnostics Interfaces by diagnostic file.
The method of the present invention can fast and effeciently confirm the bottom software of electronic control module on vehicle, and then find corresponding diagnosis
File simultaneously generates corresponding Diagnostics Interfaces, and personnel easy to repair diagnose, and improve diagnosis efficiency.
In addition, the present invention can read communication modes, communication stitch and baud respectively from database and diagnostic port
Rate, and it is combined acquisition communication modes-communication stitch-baud rate, it goes to send self-identifying order, Ke Yigeng as communications parameter
Corresponding diagnostic file is more accurately found fastly.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in spirit of the invention, to embodiment described above
Variation, modification will all fall within the scope of claims of the present invention.
Claims (10)
1. a kind of diagnostic method based on the identification of vehicle electrically controlling module software information characterized by comprising
Self-identifying order is sent to vehicle ECU；
Receive the electronic control module software information that the vehicle ECU is returned；
Software version number is parsed from the electronic control module software information, as keyword；
The keyword is matched in the keyword and diagnostic file mapping table of database, finds corresponding diagnostic file；
Diagnostics Interfaces are generated by the diagnostic file.
2. a kind of diagnostic method based on the identification of vehicle electrically controlling module software information according to claim 1, feature exist
In described to include: to vehicle ECU transmission self-identifying order
A, communications parameter is obtained:
Packaging parameter is read from database, if packaging parameter is 10, reads specific communication modes-communication needle from database
Foot-baud rate, as communications parameter；
If packaging parameter is 00, communication modes, communication stitch and baud rate are read respectively from database and diagnostic port, and
It is combined acquisition communication modes-communication stitch-baud rate, as communications parameter；
If packaging parameter is 11, communication modes, communication stitch and baud rate are read from diagnostic port, and be combined and led to
News mode-communication stitch-baud rate, as communications parameter；
If packaging parameter is 01, communication modes, communication stitch and baud rate are read from database, and be combined and communicated
Mode-communication stitch-baud rate, as communications parameter；
B, recognition command is read from from database；
C, the communication modes of the corresponding self-identifying order are read from database；
D, the communication modes read by step C are matched to corresponding communications parameter；
E, give out a contract for a project number and sequence of giving out a contract for a project are read from database, by the number of giving out a contract for a project, sequence of giving out a contract for a project and are matched to logical
Interrogate the self-identifying order that parameter sending step B is read.
3. a kind of diagnostic method based on the identification of vehicle electrically controlling module software information according to claim 2, feature exist
In, provide one for user to database configuration communication modes, communication stitch, baud rate, specific communication modes-communication stitch-
Baud rate, number of giving out a contract for a project, give out a contract for a project sequence and packaging parameter operation interface.
4. a kind of diagnostic method based on the identification of vehicle electrically controlling module software information according to claim 3, feature exist
In the position of software version number and format parse soft in the electronic control module software information returned according to each producer's vehicle ECU
Part version number, as keyword.
5. a kind of diagnostic method based on the identification of vehicle electrically controlling module software information according to claim 4, feature exist
In matching the keyword in the keyword in database and diagnostic file mapping table, find corresponding diagnosis text
Part includes:
There is match parameter type, key1, key2, key3 and diagnosis text in the keyword and diagnostic file mapping table
Part title value；
When match parameter type is 1, the priority of the priority > key3 of the priority > key2 of key1, the keyword elder generation
It is matched with key1, if matching, finds corresponding diagnostic file；If the keyword and key1 are mismatched, with key2 into
Row matching, if matching, finds corresponding diagnostic file；If the keyword is mismatched with key1, key2, carried out with key3
Matching, if matching, finds corresponding diagnostic file；
When match parameter type is 2, if the keyword includes to find pair with key1, key2 and key3 in a line
The diagnostic file answered.
6. a kind of diagnostic system based on the identification of vehicle electrically controlling module software information, which is characterized in that including being set to vehicle diagnostics
Memory module in equipment is stored with a plurality of instruction in the memory module, and described instruction is loaded and executed by processor:
Self-identifying order is sent to vehicle ECU；
Receive the electronic control module software information that the vehicle ECU is returned；
Software version number is parsed from the electronic control module software information, as keyword；
The keyword is matched in the keyword and diagnostic file mapping table of database, finds corresponding diagnostic file；
Diagnostics Interfaces are generated by the diagnostic file.
7. a kind of diagnostic system based on the identification of vehicle electrically controlling module software information according to claim 6, feature exist
In sending self-identifying order to vehicle ECU by the communication configuration parameter includes:
A, communications parameter is obtained:
Packaging parameter is read from database, if packaging parameter is 10, reads specific communication modes-communication needle from database
Foot-baud rate, as communications parameter；
If packaging parameter is 00, communication modes, communication stitch and baud rate are read respectively from database and diagnostic port, and
It is combined acquisition communication modes-communication stitch-baud rate, as communications parameter；
If packaging parameter is 11, communication modes, communication stitch and baud rate are read from diagnostic port, and be combined and led to
News mode-communication stitch-baud rate, as communications parameter；
If packaging parameter is 01, communication modes, communication stitch and baud rate are read from database, and be combined and communicated
Mode-communication stitch-baud rate, as communications parameter；
B, recognition command is read from from database；
C, the communication modes of the corresponding self-identifying order are read from database；
D, the communication modes read by step C are matched to corresponding communications parameter；
E, give out a contract for a project number and sequence of giving out a contract for a project are read from database, by the number of giving out a contract for a project, sequence of giving out a contract for a project and are matched to logical
Interrogate the self-identifying order that parameter sending step B is read.
8. a kind of diagnostic system based on the identification of vehicle electrically controlling module software information according to claim 7, feature exist
In, provide one for user to database configuration communication modes, communication stitch, baud rate, specific communication modes-communication stitch-
Baud rate, number of giving out a contract for a project, give out a contract for a project sequence and packaging parameter operation interface.
9. a kind of diagnostic system based on the identification of vehicle electrically controlling module software information according to claim 8, feature exist
In the position of software version number and format parse soft in the electronic control module software information returned according to each producer's vehicle ECU
Part version number, as keyword.
10. a kind of diagnostic system based on the identification of vehicle electrically controlling module software information according to claim 9, feature exist
In matching the keyword in the keyword in database and diagnostic file mapping table, find corresponding diagnosis text
Part includes:
There is match parameter type, key1, key2, key3 and diagnosis text in the keyword and diagnostic file mapping table
Part title value；
When match parameter type is 1, the priority of the priority > key3 of the priority > key2 of key1, the keyword elder generation
It is matched with key1, if matching, finds corresponding diagnostic file；If the keyword and key1 are mismatched, with key2 into
Row matching, if matching, finds corresponding diagnostic file；If the keyword is mismatched with key1, key2, carried out with key3
Matching, if matching, finds corresponding diagnostic file；
When match parameter type is 2, if the keyword includes to find pair with key1, key2 and key3 in a line
The diagnostic file answered.
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