CN107943007A - A kind of decoding method of different automobile types engine data - Google Patents
A kind of decoding method of different automobile types engine data Download PDFInfo
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- CN107943007A CN107943007A CN201711337826.7A CN201711337826A CN107943007A CN 107943007 A CN107943007 A CN 107943007A CN 201711337826 A CN201711337826 A CN 201711337826A CN 107943007 A CN107943007 A CN 107943007A
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- running computer
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
Abstract
The invention discloses a kind of decoding method of different automobile types engine data, including data resolution module and protocol adaptor, data resolution module connection protocol adapter, protocol adaptor connects CAN parsing modules, K lines parsing module, J1708 parsing modules respectively, CAN parsing modules, K lines parsing module, J1708 parsing modules connect OBD equipment respectively, the present invention can be automatically generated the relevant analytical algorithm of car running computer OBD module contents by software, reduce the construction cycle, human cost is saved, while reduces error rate.In addition, the present invention is real also to have the characteristics that portability is strong.
Description
Technical field
The present invention relates to car networking technology field, is specially a kind of decoding method of different automobile types engine data.
Background technology
OBD is onboard diagnostic system.This system at any time monitors the operation conditions and exhaust gas aftertreatment system of engine
Working status, once finding to be possible to cause to discharge exceeded situation, can send warning at once.When system breaks down, therefore
Hinder lamp (MIL) or check that engine emergency warning lamp is bright, while fault message can be stored in memory by OBD system, pass through examining for standard
Disconnected instrument and diagnosis interface can read relevant information in the form of error code.According to the prompting of error code, maintenance personal can be fast
Speed accurately determines property and the position of failure.OBD is by the various component informations related with discharge, is connected to electronic control unit
(ECU), ECU possesses detection and analysis and the function of discharge dependent failure.When there is discharging failure, ECU record fault messages
And correlative code, and given a warning by trouble light, inform driver.ECU is ensured to fault message by standard data interface
Access and processing.
Vehicle has popularized car running computer interface at present, and travel condition of vehicle, event can be read by car running computer OBD interfaces
The information such as barrier, maintenance.In general, the data read from interface are initial data, processing need to be passed through so as to learn vehicle-state, and
Each producer vehicle reading manner is different.Therefore, handling complex data Communication processing needs a large amount of manpowers and construction cycle.This
Invention can be automatically generated the relevant source code of car running computer OBD module contents by software, reduce the construction cycle, save manpower into
This, while reduce error rate.In addition, the present invention is real also to have the characteristics that portability is strong.
In conventional car running computer OBD modules parsing code numerous phases can be defined by different agreement in multiple source code files
Variable is closed, and variable-definition can be used in different source program codes, many sources can be involved by changing some variable therein
The change of file, has change all to need upgrade procedure again every time, and mesh source file is mostly by the way of manual compiling and modification,
The change of one variable-definition, it would be desirable to many related source file relevant portions are changed one by one, it is time-consuming and laborious, hold very much
It is error-prone, influence the development quality of whole product.
The content of the invention
It is an object of the invention to provide a kind of decoding method of different automobile types engine data, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides following technical solution：A kind of encoding and decoding of different automobile types engine data
Method, including data resolution module and protocol adaptor, the data resolution module connection protocol adapter, the protocol adaptation
Device connects CAN parsing modules, K lines parsing module, J1708 parsing modules respectively, the CAN parsing modules, K lines parsing module,
J1708 parsing modules connect OBD equipment respectively.
Preferably, comprise the following steps：
A, multiple car running computer OBD data are obtained, wherein, the car running computer OBD data variables include name variable and
Multiple attribute fields；
B, by the multiple car running computer OBD data default files；
C, the default file is parsed, with respectively according to the title of each car running computer OBD data, part attribute
Field and multiple initial car running computer OBD data variables define the multigroup design variables of file generated, and according to described multigroup pre-
If variable generates corresponding multiple arrays；
D, the corresponding initial car running computer OBD data variables of content write-in in the multiple array are defined into file respectively
In to generate multiple car running computer OBD data variable definition source files.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention can be automatically generated car running computer OBD by software
The relevant analytical algorithm of module contents, reduces the construction cycle, saves human cost, while reduces error rate, improves development quality；
In addition, the present invention is suitable for different development platforms, have the advantages that portable height, universality are high.
Brief description of the drawings
Fig. 1 is principle of the invention block diagram.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of decoding method of different automobile types engine data,
Including data resolution module 1 and protocol adaptor 2, the 1 connection protocol adapter 2 of data resolution module, the protocol adaptation
Device 2 connects CAN parsing modules 3, K lines parsing module 4, J1708 parsing modules 5, the CAN parsing modules 3, the parsing of K lines respectively
Module 4, J1708 parsing modules 5 connect OBD equipment 6 respectively.Wherein, CAN parsing modules are used to receive the car that OBD equipment reports
Data-message, caches vehicle data；Determine vehicle data message-length, intercepted according to vehicle data message-length slow
The vehicle data bag deposited；Protocol adaptor, for the data packet after interception to be carried out protocol adaptation, determines matched access association
View；Data resolution module is used to parse data in the protocol adaptation, and data are converted to protocol data by byte stream
Entity, the data after being parsed.
In the present invention, a kind of decoding method of different automobile types engine data, comprises the following steps：
A, multiple car running computer OBD data are obtained, wherein, the car running computer OBD data variables include name variable and
Multiple attribute fields；
B, by the multiple car running computer OBD data default files；
C, the default file is parsed, with respectively according to the title of each car running computer OBD data, part attribute
Field and multiple initial car running computer OBD data variables define the multigroup design variables of file generated, and according to described multigroup pre-
If variable generates corresponding multiple arrays；
D, the corresponding initial car running computer OBD data variables of content write-in in the multiple array are defined into file respectively
In to generate multiple car running computer OBD data variable definition source files.
The present invention can be automatically generated the relevant analytical algorithm of car running computer OBD module contents by software, reduce exploitation week
Phase, saves human cost, while reduces error rate, improves development quality；In addition, the present invention is suitable for different development platforms,
Have the advantages that portable height, universality are high.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (2)
1. a kind of decoding method of different automobile types engine data, including data resolution module (1) and protocol adaptor (2),
It is characterized in that：Data resolution module (1) the connection protocol adapter (2), the protocol adaptor (2) connect CAN respectively
Parsing module (3), K lines parsing module (4), J1708 parsing modules (5), the CAN parsing modules (3), K line parsing modules
(4), J1708 parsing modules (5) connect OBD equipment (6) respectively.
A kind of 2. decoding method of different automobile types engine data according to claim 1, it is characterised in that：Including with
Lower step：
A, multiple car running computer OBD data are obtained, wherein, the car running computer OBD data variables include name variable and multiple
Attribute field；
B, by the multiple car running computer OBD data default files；
C, the default file is parsed, with respectively according to the title of each car running computer OBD data, part attribute field
And multiple initial car running computer OBD data variables define the multigroup design variables of file generated, and according to multigroup default change
Amount generates corresponding multiple arrays；
D, respectively by the corresponding initial car running computer OBD data variables of content write-in in the multiple array define in file with
Generate multiple car running computer OBD data variable definition source files.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711337826.7A CN107943007A (en) | 2017-12-14 | 2017-12-14 | A kind of decoding method of different automobile types engine data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711337826.7A CN107943007A (en) | 2017-12-14 | 2017-12-14 | A kind of decoding method of different automobile types engine data |
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| Publication Number | Publication Date |
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| CN107943007A true CN107943007A (en) | 2018-04-20 |
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| CN201711337826.7A Pending CN107943007A (en) | 2017-12-14 | 2017-12-14 | A kind of decoding method of different automobile types engine data |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803580A (en) * | 2018-08-15 | 2018-11-13 | 深圳市元征科技股份有限公司 | A kind of method and relevant device of matching vehicle CAN agreement |
| CN112015453A (en) * | 2020-09-14 | 2020-12-01 | 德明通讯（上海）有限责任公司 | Firmware upgrading method for OBD (on-Board diagnostics) embedded equipment |
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| US20130211828A1 (en) * | 2012-02-13 | 2013-08-15 | General Motors Llc | Speech processing responsive to active noise control microphones |
| CN103970112A (en) * | 2013-01-29 | 2014-08-06 | 北京金奔腾汽车科技有限公司 | Automobile computer diagnostic instrument capable of automatically switching channel diagnosis |
| CN205186049U (en) * | 2015-08-06 | 2016-04-27 | 四川九洲电器集团有限责任公司 | OBD automobile -mounted terminal |
| CN105835755A (en) * | 2016-05-04 | 2016-08-10 | 江苏新安电器有限公司 | Intelligent automobile lamp control system based on OBD port and automobile body bus protocol self-adaptive method |
| CN106027605A (en) * | 2016-04-30 | 2016-10-12 | 北京智驾互联信息服务有限公司 | Data processing device of vehicle state |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130211828A1 (en) * | 2012-02-13 | 2013-08-15 | General Motors Llc | Speech processing responsive to active noise control microphones |
| CN103970112A (en) * | 2013-01-29 | 2014-08-06 | 北京金奔腾汽车科技有限公司 | Automobile computer diagnostic instrument capable of automatically switching channel diagnosis |
| CN205186049U (en) * | 2015-08-06 | 2016-04-27 | 四川九洲电器集团有限责任公司 | OBD automobile -mounted terminal |
| CN106027605A (en) * | 2016-04-30 | 2016-10-12 | 北京智驾互联信息服务有限公司 | Data processing device of vehicle state |
| CN105835755A (en) * | 2016-05-04 | 2016-08-10 | 江苏新安电器有限公司 | Intelligent automobile lamp control system based on OBD port and automobile body bus protocol self-adaptive method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803580A (en) * | 2018-08-15 | 2018-11-13 | 深圳市元征科技股份有限公司 | A kind of method and relevant device of matching vehicle CAN agreement |
| CN108803580B (en) * | 2018-08-15 | 2021-08-17 | 深圳市元征科技股份有限公司 | Method for matching vehicle CAN protocol and related equipment |
| CN112015453A (en) * | 2020-09-14 | 2020-12-01 | 德明通讯（上海）有限责任公司 | Firmware upgrading method for OBD (on-Board diagnostics) embedded equipment |
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Application publication date: 20180420 |