CN109753277A - The automatically generating device and method of CAN bus code - Google Patents
The automatically generating device and method of CAN bus code Download PDFInfo
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- CN109753277A CN109753277A CN201711079002.4A CN201711079002A CN109753277A CN 109753277 A CN109753277 A CN 109753277A CN 201711079002 A CN201711079002 A CN 201711079002A CN 109753277 A CN109753277 A CN 109753277A
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Abstract
The present invention provides the automatically generating devices and method of a kind of CAN bus code, for automatically generating the CAN bus code for the node to be measured being connected in CAN bus, wherein, described device includes: file analyzing module, memory module, code generation module and configuration file setup module.Wherein, the file analyzing module is for analyzing vehicle communication protocol file, to obtain the node data in the vehicle communication protocol file.The code generation module is used to generate the CAN bus code of the node to be measured according to the node data and template file.The configuration file setup module is for being arranged configuration file.The memory module, for storing template file, the vehicle communication protocol file, nodal point number accordingly and the configuration file.The configuration file is used to store the configuration information of each data frame information in the node data.Artificial repeated labor is avoided, reduces error rate while improving efficiency.
Description
Technical field
The present invention relates to field of automobile electronic control, the especially a kind of automatically generating device and method of CAN bus code.
Background technique
Now, automobile electronic controller in the car using more and more extensive, it has also become influence the important of automotive performance
Composition.Development cycle of automobile electronic controller program and a ring of the quality as automobile research period and quality, increasingly by
To the concern of automotive development quotient.
The exploitation of CAN bus code is a critically important job in controller bottom software exploration project.This portion
The code regularity divided is stronger, but the variable and file that involve are more, and size of code is big.
In the prior art, the source file of CAN bus code is by the way of manual compiling and modification, but artificial treatment mode
It is not only time-consuming and laborious, but also it is very easy to error.Entire development process will generally write 50~60 associations, and more than 1,000 is a
Signaling interface function and a diagnosis function up to a hundred need whole 2-3 weeks development time, very waste of manpower resource, and easily go out
It is wrong.
Summary of the invention
The purpose of the present invention is to provide the automatically generating devices and method of a kind of CAN bus code, to solve manually to open
Send out the time-consuming and laborious and error-prone problem of CAN bus code.
In order to achieve the above object, the present invention provides a kind of automatically generating devices of CAN bus code, for automatically raw
At the CAN bus code of be connected in CAN bus one node to be measured, described device includes:
File analyzing module, for analyzing vehicle communication protocol file, to obtain the vehicle communication protocol
Node data in file;
Memory module, for storing template file, the vehicle communication protocol file and node data;And
Code generation module, for generating the CAN bus of the node to be measured according to the node data and template file
Code.
Preferably, in the automatically generating device of above-mentioned CAN bus code, the node data include multiple data frames
Information, each data frame information include: the ID of the data frame, the transmission node of the data frame and the reception node of the data frame
With title, the length of signals all in the data frame.
Preferably, in the automatically generating device of above-mentioned CAN bus code, the template file includes: reception signal
Template file and transmission signal templates file.
Preferably, the data frame in the automatically generating device of above-mentioned CAN bus code, in the node data
Transmission node be the node to be measured when, the template file use the transmission signal templates file;Otherwise, the template
File uses the reception signal templates file.
Preferably, in the automatically generating device of above-mentioned CAN bus code, described device further includes configuration file setting
Module, for configuration file to be arranged, the configuration file is used to store the configuration of each data frame information in the node data
Information.
Preferably, in the automatically generating device of above-mentioned CAN bus code, the configuration file is stored in the storage
In module.
Preferably, in the automatically generating device of above-mentioned CAN bus code, the configuration information includes: each data
The position of the verification information of frame information and the verification information in the CAN bus code.
The present invention also provides a kind of automatic generation method of CAN bus code, for automatically generating, to be connected to CAN total
The CAN bus code of a node to be measured on line, which comprises
File analyzing module analyzes the vehicle communication protocol file in memory module, obtains the vehicle communication protocols
The node data in file are discussed, and the node data are stored in the memory module;And
Code generation module is according to the node data and the template file being stored in memory module generation
The CAN bus code of node to be measured.
Preferably, in the automatic generation method of above-mentioned CAN bus code, the node data include multiple data frames
Information, each data frame information include: the ID of the data frame, the transmission node of the data frame and the reception node of the data frame
With title, the length of signals all in the data frame.
Preferably, in the automatic generation method of above-mentioned CAN bus code, the template file includes: reception signal
Template file and transmission signal templates file.
Preferably, the data frame in the automatic generation method of above-mentioned CAN bus code, in the node data
Transmission node be the node to be measured when, the template file use the transmission signal templates file;Otherwise, the template
File uses the reception signal templates file.
Preferably, in the automatic generation method of above-mentioned CAN bus code, configuration is also stored in the memory module
The configuration file is arranged in file, configuration file setup module, and the configuration file is each in the node data for storing
The configuration information of data frame information.
Preferably, in the automatic generation method of above-mentioned CAN bus code, the configuration information includes: each data
The position of the verification information of frame information and the verification information in the CAN bus code.
In the automatically generating device of CAN bus code provided by the invention and method, file analyzing module is logical from vehicle
Believe and obtain node data in document of agreement, code inspection module is according to the node data and template file being stored in memory module
The CAN bus code for automatically generating node to be measured, avoids artificial repeated labor, reduces out while improving efficiency
Error rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the automatically generating device of CAN bus code in the embodiment of the present invention;
Fig. 2 is the flow chart of the automatic generation method of CAN bus code in the embodiment of the present invention.
Specific embodiment
A specific embodiment of the invention is described in more detail below in conjunction with schematic diagram.According to following description and
Claims, advantages and features of the invention will become apparent from.It should be noted that attached drawing is all made of very simplified form and
Using non-accurate ratio, only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
The embodiment of the invention provides a kind of automatically generating devices of CAN bus code, are connected to CAN for automatically generating
The CAN bus code of a node to be measured in bus, as shown in FIG. 1, FIG. 1 is the CAN bus codes in the embodiment of the present invention
The structural schematic diagram of automatically generating device, described device include: file analyzing module, memory module, code generation module and
Configuration file setup module.Wherein, the file analyzing module is for analyzing vehicle communication protocol file, to obtain
Node data in the vehicle communication protocol file.The code generation module is used for according to the node data and template text
Part generates the CAN bus code of the node to be measured.The configuration file setup module is for being arranged configuration file.The storage
Module, for storing template file, the vehicle communication protocol file, nodal point number accordingly and the configuration file.The configuration
File is used to store the configuration information of each data frame information in the node data.
Specifically, the node data include multiple data frame informations, each data frame information includes: the data frame
Title, the length for receiving all signals in node and the data frame of ID, the transmission node of the data frame and the data frame.Institute
Verification information and the verification information that configuration information includes: each data frame information are stated in the CAN bus code
Position.
Further, the template file includes: to receive signal templates file and transmission signal templates file.When the knot
When the transmission node of a data frame in point data is the node to be measured, the template file is literary using signal templates are sent
Part.That is, the code generation module is according to the node data and sends knot to be measured described in signal templates file generated
The CAN bus code of point.Otherwise, i.e., when the transmission node of the data frame in the node data is not the node to be measured
When, the template file uses the reception signal templates file.That is, the code generation module is according to the node
The CAN bus code of data and node to be measured described in reception signal templates file generated.
It should be noted that the template file is different according to the program development platform used, that is to say, that template
File and program development platform are adapted.The code finally exported can be other language with C/C++ language, Java etc. and be formed
Code file.
The embodiment of the invention also provides a kind of automatic generation methods of CAN bus code, are given birth to automatically using above-mentioned apparatus
At the CAN bus code of be connected in CAN bus one node to be measured, as shown in Fig. 2, Fig. 2 is CAN in the embodiment of the present invention
The flow chart of the automatic generation method of bus code.The described method includes: file analyzing module is logical to the vehicle in memory module
Letter document of agreement is analyzed, and obtains the node data in the vehicle communication protocol file, and the node data are stored
In in the memory module, as shown in the step S1 in Fig. 2;And code generation module according to the node data and is stored in
Template file in the memory module generates the CAN bus code of the node to be measured, as shown in the step S2 in Fig. 2.
The vehicle communication protocol file includes but is not limited to the DBC file for being CAN bus.Next with a specific example
Son is illustrated, and in embodiments of the present invention, the vehicle communication protocol file is by taking the DBC file as an example.The template text
Part is write using C/C++ language, i.e., by taking the exploitation environment of C/C++ language as an example.
It include multiple data frame informations in the node data, i.e., for the node to be measured in the DBC file
Including multiframe data information, (i.e. each data frame information) includes again multiple signals in the data information of each frame, in this reality
It applies in example, each of each data frame information signal is stored in the memory module in the form of 8 byte * 8bit.
Each data frame information include: the ID of the data frame, the data frame the reception node for sending node and the data frame and should
The title, length of all signals in data frame.
One array of only 8 bytes read from the memory module, and application layer software is it is desirable that one
Therefore one signal is needed in bottom software (CAN bus code) by the number of these 8 bytes obtained from CAN bus
Group splits into each signal.
In C language, association is commonly used to realize the conversion of array to signal, that is to say, that will be from the memory module
The array of reading is mapped on a structural body.Such as:
typedef struct{
uint8 EPTAccelActuPosHSC1:8;
uint8 unused0:1;
uint8 RVSEPTRdyHSC1:1;
uint8 unused1:6;
uint8 unused2:3;
uint8 EPTPwrOnAbotdHSC1:1;
uint8 unused3:2;
uint8 EPTStCmdOnHSC1:1;
uint8 EPTBrkPdlDscrtInptStsVHSC1:1;
uint8 EPTBrkPdlDscrtInptStsHSC1:1;
uint8 EPTEnFuelPumpOnReqHSC1:1;
uint8 EPTFuelCutReqHSC1:2;
uint8 EPTEnMaxCrkshftToqLmtHSC1_0:4;
uint8 EPTEnMaxCrkshftToqLmtHSC1_1:8;
uint8 HCU_FrP00_RollingCounterHSC1:4;
uint8 EPTAccelActuPosVHSC1:1;
uint8 unused4:3;
uint8 unused5:8;
uint8 HCU_FrP00_ChecksumHSC1:8;
}CAN_HCU_HSC1_FrP00_SIG_t;//
The above are the examples of a structural body in C language, wherein CAN_HCU_HSC1_FrP00_SIG_t indicates one
The frame title (frame ID) of data frame information only lists frame structure information in the structural body, sends node and receives node letter
Breath can automatically generate in other macrodefinition, and wherein CAN_TX is to send, and CAN_RX is to receive.
It is specific as follows:
#define DEF_
CAN_HCU_HSC1_FrP00_E
CAN_B,CAN_STD,
&CAN_MsgId_HCU_HSC6_FrP04_u32,0x7FFu,CAN_TX,8,CAN_LIST, TRUE,
CANMute23
#define DEF_
CAN_HCU_HSC6_FrP05_E
CAN_B,CAN_STD,
&CAN_MsgId_HCU_HSC6_FrP05_u32,0x7FFu,CAN_TX,8,CAN_LIST, TRUE,
CANMute24
#define DEF_
CAN_HCU_HSC6_GW_FrP09_E
CAN_B,CAN_STD,
&CAN_MsgId_HCU_HSC6_GW_FrP09_u32,0x7FFu,CAN_TX,8, CAN_LIST,TRUE,
CANMute25
#define DEF_
CAN_BMS_HSC6_FrP01_E
CAN_B,CAN_STD,
&CAN_MsgId_BMS_HSC6_FrP01_u32,0x7FFu,CAN_RX,8,CAN_LIST, FALSE,NULLCB
#define DEF_
CAN_BMS_HSC6_FrP02_E
CAN_B,CAN_STD,
&CAN_MsgId_BMS_HSC6_FrP02_u32,0x7FFu,CAN_RX,8,CAN_LIST, FALSE,NULLCB
#define DEF_
CAN_BMS_HSC6_FrP09_E
CAN_B,CAN_STD,
&CAN_MsgId_BMS_HSC6_FrP09_u32,0x7FFu,CAN_RX,8,CAN_LIST, FALSE,NULLCB
That is, above described structure CAN_HCU_HSC1_FrP00_SIG_t is exactly the code generation module according to institute
State a part of the CAN bus code of node data and template file generation.Corresponding template file is as follows:
typedef struct{
$signalType$$Signalname$:$signalLength$;
}$frameName$_t;
Further, in above described structure CAN_HCU_HSC1_FrP00_SIG_t, HCU_FrP00_
ChecksumHSC1 is the title of the configuration information of the data frame information, i.e. the title of verification information.In the embodiment of the present invention
In, just whether the configuration information includes the information that can not be read from the DBC file, such as the data frame information
True verification information, above-mentioned verification information include checksum and aliveCounter etc., wherein checksum is for examining
A whole frame data are without occurring mistake in transmission process for the validity of data, i.e. guarantee data, and aliveCounter is for verifying
The real-time of data, i.e. verification whether there is the case where frame losing during bus transfer.It is described in the present embodiment, it is described to test
Demonstrate,proving information HCU_FrP00_ChecksumHSC1 is set in the configuration file by the configuration file setup module, tool
The form of body is for example:
HCU_HSC1_FrP00HCU_FrP00_ChecksumHSC1 7。
Indicate that the verification information is stored in the 8th byte of this frame of CAN_HCU_HSC1_FrP00_SIG_t.
The verification information is used to generate the generation of check code.After all CAN bus codes for obtaining the node to be measured
It is compiled in other codes being merged into development platform, generates compiling file, then compiling file is downloaded to described to be measured
Node is to verify it.
It is above-mentioned only by taking a part of the CAN bus code formed according to a template file as an example, in the embodiment of the present invention
In, it further include more other embodiments, principle is similar, and at least specific template file is different.By these template files,
For different needs, quick batch modification can be carried out.The risk of error is reduced while improving efficiency.
Further, the automatic generation method of CAN bus code provided in this embodiment further includes abnormality processing and printing
Log information, so that display progress and error message in use.
To sum up, in the automatically generating device of CAN bus code provided in an embodiment of the present invention and method, file analysis mould
Block obtains node data from vehicle communication protocol file, and code inspection module is according to the node data being stored in memory module
The CAN bus code that node to be measured is automatically generated with template file, avoids artificial repeated labor, improves the same of efficiency
When reduce error rate.
The above is only a preferred embodiment of the present invention, does not play the role of any restrictions to the present invention.Belonging to any
Those skilled in the art, in the range of not departing from technical solution of the present invention, to the invention discloses technical solution and
Technology contents make the variation such as any type of equivalent replacement or modification, belong to the content without departing from technical solution of the present invention, still
Within belonging to the scope of protection of the present invention.
Claims (13)
1. a kind of automatically generating device of CAN bus code, for automatically generating the node to be measured being connected in CAN bus
CAN bus code, which is characterized in that described device includes:
File analyzing module, for analyzing vehicle communication protocol file, to obtain the vehicle communication protocol file
In node data;
Memory module, for storing template file, the vehicle communication protocol file and node data;And
Code generation module, for generating the CAN bus code of the node to be measured according to the node data and template file.
2. the automatically generating device of CAN bus code as described in claim 1, which is characterized in that the node data include
Multiple data frame informations, each data frame information include: the transmission node and the data frame of the ID of the data frame, the data frame
Title, the length for receiving all signals in node and the data frame.
3. the automatically generating device of CAN bus code as claimed in claim 2, which is characterized in that the template file includes:
It receives signal templates file and sends signal templates file.
4. the automatically generating device of CAN bus code as claimed in claim 3, which is characterized in that when in the node data
A data frame transmission node be the node to be measured when, the template file use the transmission signal templates file;It is no
Then, the template file uses the reception signal templates file.
5. the automatically generating device of CAN bus code as claimed in claim 2, which is characterized in that described device further includes matching
File setup module is set, for configuration file to be arranged, the configuration file is for storing each data frame in the node data
The configuration information of information.
6. the automatically generating device of CAN bus code as claimed in claim 5, which is characterized in that the configuration file storage
In in the memory module.
7. the automatically generating device of CAN bus code as claimed in claim 5, which is characterized in that the configuration information includes:
The position of the verification information of each data frame information and the verification information in the CAN bus code.
8. a kind of automatic generation method of CAN bus code, for automatically generating the node to be measured being connected in CAN bus
CAN bus code, which is characterized in that the described method includes:
File analyzing module analyzes the vehicle communication protocol file in memory module, obtains the vehicle communication protocol text
Node data in part, and the node data are stored in the memory module;And
Code generation module generates described to be measured according to the node data and the template file being stored in the memory module
The CAN bus code of node.
9. the automatic generation method of CAN bus code as claimed in claim 8, which is characterized in that the node data include
Multiple data frame informations, each data frame information include: the transmission node and the data frame of the ID of the data frame, the data frame
Title, the length for receiving all signals in node and the data frame.
10. the automatically generating device of CAN bus code as claimed in claim 9, which is characterized in that the template file packet
It includes: receiving signal templates file and send signal templates file.
11. the automatically generating device of CAN bus code as claimed in claim 10, which is characterized in that when the node data
In a data frame transmission node be the node to be measured when, the template file use the transmission signal templates file;
Otherwise, the template file uses the reception signal templates file.
12. the automatically generating device of CAN bus code as claimed in claim 9, which is characterized in that in the memory module also
It is stored with configuration file, the configuration file is arranged in configuration file setup module, and the configuration file is for storing the node
The configuration information of each data frame information in data.
13. the automatically generating device of CAN bus code as claimed in claim 12, which is characterized in that the configuration information packet
It includes: the position of the verification information of each data frame information and the verification information in the CAN bus code.
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Application publication date: 20190514 |