CN103888330B - The monitoring method of auto parts and components CAN bus data transmission - Google Patents
The monitoring method of auto parts and components CAN bus data transmission Download PDFInfo
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- CN103888330B CN103888330B CN201210561477.8A CN201210561477A CN103888330B CN 103888330 B CN103888330 B CN 103888330B CN 201210561477 A CN201210561477 A CN 201210561477A CN 103888330 B CN103888330 B CN 103888330B
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Abstract
The invention discloses a kind of monitoring methods of auto parts and components CAN bus data transmission, edit CAN bus configuration file, configuration file includes the database file of all auto parts and components messages in CAN bus, and the message configuration of configuration file is consistent with the CAN bus content that parts message includes of getting on the car；Computer connects CAN bus by USB data line, auto parts and components and computer send and receive message toward CAN bus respectively, computer will send and receive message by configuration file and will be compared with auto parts and components message, unanimously then show that CAN bus sends and receives message dependable performance；The message that any auto parts and components send and receive in computer real-time reception CAN bus, and than more consistent, show that CAN bus data transmission is accurate.This method realizes the CAN bus monitoring messages of arbitrary auto parts and components, it is ensured that the accuracy of CAN bus data transmission, and it is simple in structure, cheap, easy to use.
Description
Technical field
The present invention relates to a kind of monitoring methods of auto parts and components CAN bus data transmission.
Background technology
Due to the high-performance and reliability of CAN bus, it is widely used in industrial automation, automobile, ship, Medical Devices
Etc..With automobile industry fast development, to increase the R＆D intensity of each type component of automobile, CAN bus is used as vapour
Vehicle electric bus communication protocol, for the data transmission between each type component of automobile, CAN bus is main as automotive electrical system
Communication protocol, so the monitoring data transmission to CAN protocol is particularly important.The monitoring of automobile CAN-bus data transmission is big at present
It is mostly made of auto parts and components CAN bus and bus data monitoring software, but each data monitoring software must correspond to uniquely
Auto parts and components CAN bus, i.e. CAN communication agreement fixes and can not carry out CAN protocol message configuration.
Auto parts and components CAN bus data transmission is monitored using monitoring bus software implementation at present, as CANalyzer is monitored
Software, Vector monitoring softwares and CANoe monitoring softwares etc., its advantage is that it is powerful, it can be tested and be appointed by bus configuration
Auto parts and components in CAN bus of anticipating, but its is expensive, and also a set of software and hardware is merely able to use a PC machine, reduces
The utilization rate of software, and software is using complicated for operation.In addition the prison of auto parts and components CAN bus and monitoring bus software composition
Prosecutor method is its advantage is that development cost is low, but must to correspond to unique auto parts and components CAN bus specific for each data monitoring
Frame.
Invention content
Technical problem to be solved by the invention is to provide a kind of monitoring sides of auto parts and components CAN bus data transmission
Method realizes the CAN bus monitoring messages of arbitrary auto parts and components using this method, it is ensured that CAN bus data transmission it is accurate
Property, and it is simple in structure, cheap, easy to use.
In order to solve the above technical problems, the monitoring method of auto parts and components CAN bus data transmission of the present invention includes as follows
Step：
Step 1: editor's CAN bus configuration file, configuration file includes all auto parts and components messages in CAN bus
Database file, each auto parts and components message include frame ID, frame format, data length, message name, start bit, length, number
According to format, data type, amplification factor, offset, minimum value, maximum value, default value and unit, the message of configuration file configures
It is consistent with the CAN bus content that parts message includes of getting on the car；
Step 2: computer connects CAN bus by USB data line, auto parts and components are toward sending four frame reports in CAN bus
Text, computer receive the four frames message in CAN bus, according to CAN bus configuration file, compare transmission by computer and connect
The four frame message data contents received and period, the four frame message data contents sent and received are consistent with the period, show CAN bus
Receive message dependable performance；
Step 3: computer receives two frame in CAN bus toward two frame messages, auto parts and components are sent in CAN bus
Message the two frame message data contents relatively sent and received by computer and period, connects according to CAN bus configuration file
Receipts and the two frame message data contents sent are consistent with the period, show that CAN bus sends message dependable performance；
Step 4: any auto parts and components send and receive in computer real-time reception CAN bus message and being compared
Compared with the message data content that any auto parts and components send and receive is consistent with the period, shows that CAN bus data transmission is accurate.
Since the monitoring method of auto parts and components CAN bus data transmission of the present invention uses above-mentioned technical proposal, that is, compile
CAN bus configuration file is collected, configuration file includes the database file of all auto parts and components messages in CAN bus, configuration text
The message configuration of part is consistent with the CAN bus content that parts message includes of getting on the car；Computer is connected by USB data line
CAN bus, auto parts and components and computer send and receive message toward CAN bus respectively, and computer will be sent out by configuration file
It send and receives message to be compared with auto parts and components message, unanimously then show that CAN bus sends and receives message dependable performance；
The message that any auto parts and components send and receive in computer real-time reception CAN bus, and than more consistent, show CAN bus
Data transmission is accurate.This method realizes the CAN bus monitoring messages of arbitrary auto parts and components, it is ensured that CAN bus data transmission
Accuracy, and it is simple in structure, cheap, easy to use.
Specific implementation mode
The monitoring method of auto parts and components CAN bus data transmission of the present invention includes the following steps：
Step 1: editor's CAN bus configuration file, configuration file includes all auto parts and components messages in CAN bus
Database file, each auto parts and components message include frame ID, frame format, data length, message name, start bit, length, number
According to format, data type, amplification factor, offset, minimum value, maximum value, default value and unit, the message of configuration file configures
It is consistent with the CAN bus content that parts message includes of getting on the car；
Such as the message configuration format such as following table of CAN bus configuration file：
One of auto parts and components defined in table, the message data content of engine；
Step 2: computer connects CAN bus by USB data line, auto parts and components are toward sending four frame reports in CAN bus
Text, computer receive the four frames message in CAN bus, according to CAN bus configuration file, compare transmission by computer and connect
The four frame message data contents received and period, the four frame message data contents sent and received are consistent with the period, show CAN bus
Receive message dependable performance；
Following table is auto parts and components toward the content for sending four frame messages in CAN bus：
Following table is the content that computer receives four frame messages from CAN bus：
From above-listed two table it is found that its content and period are completely the same, and it is also consistent with CAN bus configuration file, show
CAN bus receives message dependable performance；
Step 3: computer receives two frame in CAN bus toward two frame messages, auto parts and components are sent in CAN bus
Message the two frame message data contents relatively sent and received by computer and period, connects according to CAN bus configuration file
Receipts and the two frame message data contents sent are consistent with the period, show that CAN bus sends message dependable performance；
Following table is computer toward the content for sending two frame messages in CAN bus：
Following table is the content that auto parts and components receive two frame messages from CAN bus；
From above-listed two table it is found that its content and period are completely the same, and it is also consistent with CAN bus configuration file, show
CAN bus sends message dependable performance；
Step 4: any auto parts and components send and receive in computer real-time reception CAN bus message and being compared
Compared with the message data content that any auto parts and components send and receive is consistent with the period, shows that CAN bus data transmission is accurate.
The transmitting-receiving message on automobile CAN-bus can be monitored in real time by this method, and text is configured according to the CAN bus of editor
The message data content sent and received and period are compared by part, to judge that any auto parts and components are received and dispatched in CAN bus
The accuracy of message, to improve the reliability of whole-control system.
Claims (1)
1. a kind of monitoring method of auto parts and components CAN bus data transmission, it is characterised in that this method includes the following steps：
Step 1: editor's CAN bus configuration file, configuration file includes the data of all auto parts and components messages in CAN bus
Library file, each auto parts and components message include frame ID, frame format, data length, message name, start bit, length, data lattice
The message configuration of formula, data type, amplification factor, offset, minimum value, maximum value, default value and unit, configuration file is same
The CAN bus content that parts message includes of getting on the car is consistent；
Step 2: computer connects CAN bus by USB data line, auto parts and components toward sending four frame messages in CAN bus,
The four frames message that computer receives in CAN bus is relatively sent and received according to CAN bus configuration file by computer
Four frame message data contents and the period, the four frame message data contents sent and received are consistent with the period, show that CAN bus connects
The literary dependable performance of receiving；
Step 3: computer receives the two frames message in CAN bus toward two frame messages, auto parts and components are sent in CAN bus,
According to CAN bus configuration file, the two frame message data contents relatively sent and received by computer and period receive and send out
The two frame message data contents sent are consistent with the period, show that CAN bus sends message dependable performance；
Step 4: any auto parts and components send and receive in computer real-time reception CAN bus message and being compared, appoint
The message data content that one auto parts and components send and receive is consistent with the period, shows that CAN bus data transmission is accurate.
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| CN201210561477.8A CN103888330B (en) | 2012-12-21 | 2012-12-21 | The monitoring method of auto parts and components CAN bus data transmission |
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| CN201210561477.8A CN103888330B (en) | 2012-12-21 | 2012-12-21 | The monitoring method of auto parts and components CAN bus data transmission |
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| CN103888330A CN103888330A (en) | 2014-06-25 |
| CN103888330B true CN103888330B (en) | 2018-07-13 |
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| CN109634258B (en) * | 2018-11-30 | 2021-05-25 | 北京新能源汽车股份有限公司 | Bus message checking method, device and system for hardware-in-loop test |
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| WO2004010645A1 (en) * | 2002-07-18 | 2004-01-29 | Vega Grieshaber Kg | Bus station with an integrated bus monitor function |
| CN101145942A (en) * | 2007-01-04 | 2008-03-19 | 中兴通讯股份有限公司 | A serial bus failure detection method for single bus master-slave protection device |
| CN101360036A (en) * | 2007-07-31 | 2009-02-04 | 比亚迪股份有限公司 | CAN bus gateway controller and data transmission method between CAN buses |
| CN201638076U (en) * | 2010-03-18 | 2010-11-17 | 奇瑞汽车股份有限公司 | Vehicle-mounted diagnosis device based on CAN (Content Addressable Network) bus |
| CN202041845U (en) * | 2010-12-28 | 2011-11-16 | 南京工程学院 | Vehicle-mounted CAN (Control Area Network) bus system test and control analysis platform |
| CN102722592A (en) * | 2012-05-15 | 2012-10-10 | 中国人民解放军91550部队 | Universal digital information recording device and method |
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2012
- 2012-12-21 CN CN201210561477.8A patent/CN103888330B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004010645A1 (en) * | 2002-07-18 | 2004-01-29 | Vega Grieshaber Kg | Bus station with an integrated bus monitor function |
| CN101145942A (en) * | 2007-01-04 | 2008-03-19 | 中兴通讯股份有限公司 | A serial bus failure detection method for single bus master-slave protection device |
| CN101360036A (en) * | 2007-07-31 | 2009-02-04 | 比亚迪股份有限公司 | CAN bus gateway controller and data transmission method between CAN buses |
| CN201638076U (en) * | 2010-03-18 | 2010-11-17 | 奇瑞汽车股份有限公司 | Vehicle-mounted diagnosis device based on CAN (Content Addressable Network) bus |
| CN202041845U (en) * | 2010-12-28 | 2011-11-16 | 南京工程学院 | Vehicle-mounted CAN (Control Area Network) bus system test and control analysis platform |
| CN102722592A (en) * | 2012-05-15 | 2012-10-10 | 中国人民解放军91550部队 | Universal digital information recording device and method |
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