CN110442119B - ECU pin repeated configuration detection method and device - Google Patents
ECU pin repeated configuration detection method and device Download PDFInfo
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Abstract
The embodiment of the invention provides a method and equipment for detecting repetitive configuration of pins of an ECU (electronic control unit), wherein the method comprises the following steps: when the ECU is detected to be powered on, obtaining the calibration values of the configurable variable names of the pins of the ECU, detecting whether the calibration values of the configurable variable names have target calibration values with equal calibration values, if so, generating a prompt of the configuration fault of the pins of the ECU, and sending the prompt of the configuration fault of the pins of the ECU to a display terminal. The embodiment of the invention can automatically detect the pins of the ECU which are repeatedly configured, has the effects of low cost, high efficiency and high accuracy, can avoid the problems of high cost, low efficiency and poor accuracy caused by the fact that a large number of inspectors need to be configured in manual detection.
Description
Technical Field
The embodiment of the invention relates to the technical field of computers, in particular to a method and equipment for detecting repetitive configuration of pins of an ECU (electronic control unit).
Background
An Electronic Control Unit (ECU) performs calculation, processing and judgment on information input by various external sensors according to programs and data stored in the ECU, and then outputs instructions so as to Control the joint normal operation of various parts and actuators of the automobile.
The ECU is provided with ECU pins, and each pin can be configured with different functions to realize the control of the vehicle. In order to facilitate the use of each ECU pin by a calibration worker, pins in the ECU are currently classified into three types according to hardware resources: namely an analog-to-digital conversion AD channel, a switch input channel and a low-side drive channel. Aiming at the pins of the same type, a calibration matching person selects a target pin to be configured under a configurable variable name according to the function to be configured during configuration. However, different functions may correspond to different calibration personnel, and it often happens that the same pin is configured with different functions by different calibration personnel in the calibration process, so that the pin cannot be normally used, and serious influence is caused to users.
At present, the conventional method for detecting the repeatedly configured ECU pins mainly depends on manual detection, that is, whether each ECU pin is configured with different functions is checked manually. However, by manually checking whether each ECU pin is repeatedly configured, a large number of inspectors need to be configured, the cost is high, and manual checking also has the problems of low efficiency and poor accuracy.
Disclosure of Invention
The embodiment of the invention provides a method and equipment for detecting the repetitive configuration of ECU pins, which aim to overcome the problems that a large number of inspectors are required to be configured in a mode of manually checking whether each ECU pin is repeatedly configured, the cost is high, and the manual checking is low in efficiency and poor in accuracy.
In a first aspect, an embodiment of the present invention provides a method for detecting repetitive configuration of pins of an ECU, including:
when detecting that the electronic control unit ECU is electrified, obtaining a calibration value of each ECU stitch configurable variable name;
detecting whether a target calibration value with equal calibration value exists in the calibration values of the configurable variable names;
if the target calibration values are equal, generating a prompt of the pin configuration fault of the ECU;
and sending the prompt of the ECU pin configuration fault to a display terminal to remind calibration personnel to check.
In one possible design, the method further includes:
if the equivalent target calibration values do not exist, detecting whether pins of the ECU are subjected to configurable online calibration;
if yes, re-executing the step of detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names;
if not, continuously executing the step of detecting whether pins of each ECU are subjected to configurable online calibration.
In one possible design, the detecting whether pin configurable online calibration occurs for each ECU pin includes:
acquiring a checksum of data corresponding to the configurable variable of each ECU pin;
and if the check sum is inconsistent with the currently stored check sum, determining that pin configurable online calibration of each ECU pin occurs.
In one possible design, the sending the indication of the ECU pin configuration failure to a display terminal includes:
and sending the prompt information carrying the target calibration value to a display terminal for displaying.
In a possible design, after sending the indication of the ECU pin configuration failure to a display terminal, the method further includes:
and controlling a buzzer alarm to give an alarm to remind calibration personnel to check according to the prompt of the ECU pin configuration fault.
In a second aspect, an embodiment of the present invention provides an ECU pin duplication detection apparatus, including:
the calibration value acquisition module is used for acquiring the calibration values of the configurable variable names of pins of the Electronic Control Unit (ECU) when the ECU is detected to be powered on;
the calibration value detection module is used for detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names;
the fault prompt generation module is used for generating a prompt of the pin configuration fault of the ECU if the target calibration values are equal;
and the fault prompt sending module is used for sending the prompt of the ECU pin configuration fault to a display terminal to remind calibration personnel to check.
In one possible design, the apparatus further includes:
the online calibration detection module is used for detecting whether pins of the ECU are subjected to configurable online calibration if the equivalent target calibration values do not exist; if yes, re-executing the step of detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names; if not, continuously executing the step of detecting whether pins of each ECU are subjected to configurable online calibration.
In one possible design, the online calibration detection module is specifically configured to obtain a checksum of data corresponding to the configurable variable of each ECU pin; and if the check sum is inconsistent with the currently stored check sum, determining that pin configurable online calibration of each ECU pin occurs.
In a third aspect, an embodiment of the present invention provides an ECU pin duplication configuration detection apparatus, including: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the ECU pin repetition configuration detection method as described above in the first aspect and various possible designs of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, and when a processor executes the computer-executable instructions, the method for detecting the repetitive configuration of the pins of the ECU according to the first aspect and various possible designs of the first aspect is implemented.
According to the method and the device for detecting the repeated configuration of the ECU pins, firstly, when the ECU is detected to be electrified, the calibration values of the configurable variable names of the ECU pins are obtained, then whether the target calibration values with the same calibration values exist in the calibration values of the configurable variable names is detected, if the target calibration values with the same calibration values exist, a prompt of the configuration fault of the ECU pins is generated, and finally the prompt of the configuration fault of the ECU pins is sent to a display terminal. The embodiment of the invention can automatically detect the pins of the ECU which are repeatedly configured, has the effects of low cost, high efficiency and high accuracy, can avoid the problems of high cost, low efficiency and poor accuracy caused by the fact that a large number of inspectors need to be configured in manual detection.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an architecture of an ECU pin reconfiguration detection system according to an embodiment of the present invention;
FIG. 2 is a first schematic flowchart of a method for detecting pin reconfiguration of an ECU according to an embodiment of the present invention;
FIG. 3 is a second schematic flowchart of a method for detecting pin reconfiguration of an ECU according to an embodiment of the present invention;
FIG. 4 is a first schematic structural diagram of an ECU pin reconfiguration detecting device according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram II of an ECU pin repetitive configuration detection device provided by the embodiment of the invention;
fig. 6 is a schematic diagram of a hardware structure of an ECU pin repetitive configuration detection device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Explanation of technical terms
And (4) checking the sum: checksum, used in data processing and programs to check the sum of a set of target data items, where the set of data may be computed to obtain a uniquely identified checksum, and the checksum of the set of data may change when any one of the data changes.
Fig. 1 is a schematic diagram of an architecture of an ECU pin duplicate configuration detection system according to an embodiment of the present invention. As shown in fig. 1, the present embodiment provides a system including a display terminal 101 and an electronic control unit ECU 102. The display terminal 101 may be a mobile phone, a tablet, a personal computer, or the like. The implementation manner of the display terminal 101 is not particularly limited in this embodiment, as long as the display 101 can perform human-computer interaction with a calibration person. The display terminal 101 may be communicatively connected to the ECU102 by wire or wirelessly.
The embodiment of the invention provides a method for detecting the repetitive configuration of pins of an ECU, which can automatically detect the repetitive configuration of the pins of the ECU and has the advantages of low cost, high efficiency and high accuracy. The following examples are given for illustrative purposes.
Fig. 2 is a first flowchart illustrating a method for detecting pin duplication according to an embodiment of the present invention, where an execution main body of the embodiment may be the ECU shown in fig. 1, and the embodiment is not limited herein. As shown in fig. 2, the method includes:
s201: and when the ECU is detected to be powered on, obtaining a calibration value in the configurable variable name of each ECU pin.
In this embodiment, when the pin configuration data in the ECU is implemented by data flash, for example, when the ECU is powered off and on during the data flash, a situation that one ECU pin is configured with different functions may occur, which may cause that the pin cannot be used normally, thereby causing a serious impact to a user.
At present, in the conventional ECU data calibration, calibration tools such as INCA and the like are used for data synthesis and manual calibration, namely, when the ECU data of a new edition is calibrated under the condition of existing ECU data of a mature edition, variables with the variable names, types, dimensions, conversion factors and the like which are the same as those of the mature edition can be directly synthesized into ECU basic data of a version to be calibrated by using DCM files of the mature edition, and the variables which are not completely the same as those of the mature edition need to be manually calibrated. The INCA is a piece of software developed by ETAS for calibrating and measuring data of an engine ECU. DCM file: and the calibration data file comprises information such as variable names, variable calibration values, units and the like.
Specifically, the calibration value of the configurable variable name of each ECU pin can be extracted from the DCM file in the ECU.
S202: and detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names.
In this embodiment, equal calibration values indicate that the variable is assigned to the same ECU pin, i.e., the ECU pin is repeatedly assigned.
Specifically, the calibration values of the configurable variable names corresponding to each pin can be traversed, and after the traversal is completed, the calibration values with the same calibration value are used as target calibration values.
The target calibration value may be one or more.
S203: and if the target calibration values are equal, generating a prompt of the pin configuration fault of the ECU.
In the embodiment, when the target calibration value is one, it is determined that an ECU pin is repeatedly configured; when the target calibration value is multiple, it is determined that the configuration of multiple ECU pins is repeated.
The target calibration value is the identification of the pins of the ECU which are repeatedly configured.
In this embodiment, the target calibration value may be carried in the generated indication of the ECU pin configuration failure.
S204: and sending the prompt of the ECU pin configuration fault to a display terminal to remind calibration personnel to check.
Specifically, the prompt information carrying the target calibration value may be sent to the display terminal for display. Therefore, the calibration personnel can confirm the occurrence of the repeatedly configured ECU pins through the display terminal.
As can be seen from the above description, firstly, when it is detected that the ECU is powered on, the calibration values of the configurable variable names of the ECU are obtained, then, whether the calibration values of the configurable variable names have the target calibration values with the same calibration value is detected, if the calibration values of the configurable variable names have the target calibration values with the same calibration value, a prompt of the configuration fault of the ECU pins is generated, and finally, the prompt of the configuration fault of the ECU pins is sent to the display terminal. The embodiment of the invention can automatically detect the pins of the ECU which are repeatedly configured, has the effects of low cost, high efficiency and high accuracy, can avoid the problems of high cost, low efficiency and poor accuracy caused by the fact that a large number of inspectors need to be configured in manual detection.
Fig. 3 is a schematic flow chart of a method for detecting repetitive configuration of pins of an ECU according to an embodiment of the present invention, and this embodiment describes in detail a specific implementation process of this embodiment on the basis of the embodiment of fig. 2. As shown in fig. 3, the method includes:
s301: when the ECU is detected to be powered on, obtaining a calibration value of each configurable variable name of the pins of the ECU;
s302: and detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names. If yes, go to step S303; if not, go to step S304.
S303: and generating a prompt of the ECU pin configuration fault, and sending the prompt of the ECU pin configuration fault to a display terminal.
S304: and detecting whether pins of each ECU are subjected to configurable online calibration. If yes, re-executing step S302; if not, the step S304 is continued.
Specifically, the specific process of detecting whether pins of each ECU are subjected to configurable online calibration is as follows:
acquiring a checksum of data corresponding to the configurable variable of each ECU pin;
and if the check sum is inconsistent with the currently stored check sum, determining that pin configurable online calibration of each ECU pin occurs.
The currently stored checksum may be a checksum of data corresponding to configurable variables of pins of each ECU, which is obtained when the ECU is detected to be powered on.
According to the description, when the pins of the ECU are detected to be subjected to pin configurable online calibration, whether the target calibration values with the same calibration value exist in the calibration values of all the configurable variable names is determined, whether the pins of the ECU are repeated or not can be detected in time when the pins of the ECU are subjected to online calibration, and the timeliness of detection is improved.
In an embodiment of the present invention, after the sending the indication of the ECU pin configuration failure to the display terminal in step S204, the method may further include:
and controlling a buzzer alarm to give an alarm to remind calibration personnel to check according to the prompt of the ECU pin configuration fault.
The warning device can further prompt the calibration personnel, and the situation that the calibration personnel overlook the fault prompt of the display terminal is avoided.
Fig. 4 is a first schematic structural diagram of an ECU pin repetitive configuration detection device according to an embodiment of the present invention. As shown in fig. 4, the ECU pin repetition configuration detection device 40 includes: the system comprises a calibration value acquisition module 401, a calibration value detection module 402, a fault prompt generation module 403 and a fault prompt sending module 404.
The electronic control unit comprises a calibration value acquisition module 401, a parameter setting module and a parameter setting module, wherein the calibration value acquisition module 401 is used for acquiring a calibration value of each configurable variable name of ECU pins when detecting that the ECU is electrified;
a calibration value detection module 402, configured to detect whether there is a target calibration value with an equal calibration value in the calibration values of the configurable variable names;
a fault prompt generation module 403, configured to generate a prompt of an ECU pin configuration fault if equal target calibration values exist;
and a fault prompt sending module 404, configured to send a prompt of the ECU pin configuration fault to a display terminal to prompt a calibration worker to check.
The device provided in this embodiment may be used to implement the technical solution of the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 5 is a schematic structural diagram of an ECU pin repetitive configuration detection device according to an embodiment of the present invention. As shown in fig. 5, this embodiment further includes, on the basis of the embodiment in fig. 4: an online calibration detection module 405.
An online calibration detection module 405, configured to detect whether pins of the ECUs are subjected to configurable online calibration if there is no equal target calibration value; if yes, re-executing the step of detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names; if not, continuously executing the step of detecting whether pins of each ECU are subjected to configurable online calibration.
In an embodiment of the present invention, the online calibration detecting module 405 is specifically configured to obtain a checksum of data corresponding to the configurable variable of each ECU pin; and if the check sum is inconsistent with the currently stored check sum, determining that pin configurable online calibration of each ECU pin occurs.
In an embodiment of the present invention, the failure prompt sending module 404 is specifically configured to send a prompt message carrying the target calibration value to a display terminal for displaying.
In an embodiment of the present invention, the failure prompt sending module 404 is further configured to control a buzzer alarm to alarm according to the prompt of the ECU pin configuration failure, so as to remind a calibration person to check.
The device provided in this embodiment may be used to implement the technical solution of the above method embodiment, and the implementation principle and technical effect are similar, which are not described herein again.
Fig. 6 is a schematic diagram of a hardware structure of an ECU pin repetitive configuration detection device according to an embodiment of the present invention. As shown in fig. 6, the ECU pin repetition configuration detection device 60 of the present embodiment includes: a processor 601 and a memory 602; wherein
A memory 602 for storing computer-executable instructions;
a processor 601 for executing computer-executable instructions stored in the memory to implement the steps performed by the ECU in the above-described embodiments. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 602 may be separate or integrated with the processor 601.
When the memory 602 is provided separately, the ECU pin duplicate configuration detection apparatus further includes a bus 603 for connecting the memory 602 and the processor 601.
The embodiment of the invention also provides a computer-readable storage medium, wherein a computer executing instruction is stored in the computer-readable storage medium, and when a processor executes the computer executing instruction, the ECU pin repeated configuration detection method is realized.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to implement the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor to execute some steps of the methods described in the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the storage medium may reside as discrete components in an electronic device or host device.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. An ECU pin duplicate configuration detection method, comprising:
when detecting that the electronic control unit ECU is electrified, obtaining a calibration value of each ECU stitch configurable variable name;
detecting whether a target calibration value with equal calibration value exists in the calibration values of the configurable variable names;
if the target calibration values are equal, generating a prompt of the pin configuration fault of the ECU;
sending the prompt of the ECU pin configuration fault to a display terminal to remind calibration personnel to check;
if the equivalent target calibration values do not exist, detecting whether pins of the ECU are subjected to configurable online calibration;
if yes, re-executing the step of detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names;
if not, continuing to execute the step of detecting whether pins of each ECU are subjected to configurable online calibration;
the detecting whether the pins of the ECU are subjected to configurable online calibration comprises the following steps:
acquiring a checksum of data corresponding to the configurable variable of each ECU pin;
and if the check sum is inconsistent with the currently stored check sum, determining that pin configurable online calibration of each ECU pin occurs.
2. The method of claim 1, wherein sending the indication of the ECU pin configuration failure to a display terminal comprises:
and sending the prompt information carrying the target calibration value to a display terminal for displaying.
3. The method according to any one of claims 1 to 2, wherein after sending the indication of the ECU pin configuration failure to a display terminal, further comprising:
and controlling a buzzer alarm to give an alarm to remind calibration personnel to check according to the prompt of the ECU pin configuration fault.
4. An ECU pin duplication configuration detection apparatus, comprising:
the calibration value acquisition module is used for acquiring the calibration values of the configurable variable names of pins of the Electronic Control Unit (ECU) when the ECU is detected to be powered on;
the calibration value detection module is used for detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names;
the fault prompt generation module is used for generating a prompt of the pin configuration fault of the ECU if the target calibration values are equal;
the fault prompt sending module is used for sending the prompt of the ECU pin configuration fault to a display terminal to remind calibration personnel to check;
the apparatus further comprises:
the online calibration detection module is used for detecting whether pins of the ECU are subjected to configurable online calibration if the equivalent target calibration values do not exist; if yes, re-executing the step of detecting whether target calibration values with equal calibration values exist in the calibration values of the configurable variable names; if not, continuously executing the step of detecting whether pins of each ECU are subjected to configurable online calibration:
the online calibration detection module is specifically used for acquiring a checksum of data corresponding to the configurable variable of each ECU pin; and if the check sum is inconsistent with the currently stored check sum, determining that pin configurable online calibration of each ECU pin occurs.
5. An ECU pin duplication configuration detection apparatus, comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the ECU pin repetition configuration detection method as claimed in any one of claims 1 to 3.
6. A computer-readable storage medium having computer-executable instructions stored therein, which when executed by a processor, implement the ECU pin repetition configuration detection method according to any one of claims 1 to 3.
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| KR101268099B1 (en) * | 2011-10-31 | 2013-05-29 | 인포뱅크 주식회사 | Data update device for reprogramming ecu of automobile, connetion device and method thereof |
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