CN116737516A - Method for early warning of vehicle gauge chip - Google Patents
Method for early warning of vehicle gauge chip Download PDFInfo
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- CN116737516A CN116737516A CN202310688646.2A CN202310688646A CN116737516A CN 116737516 A CN116737516 A CN 116737516A CN 202310688646 A CN202310688646 A CN 202310688646A CN 116737516 A CN116737516 A CN 116737516A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 8
- 230000004044 response Effects 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 4
- 238000004904 shortening Methods 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 claims description 3
- 230000007488 abnormal function Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/327—Alarm or error message display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3013—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is an embedded system, i.e. a combination of hardware and software dedicated to perform a certain function in mobile devices, printers, automotive or aircraft systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
Abstract
The application relates to a vehicle gauge chip early warning method, which comprises the following steps: s1, a plurality of early warning circuits are scattered in a chip and are electrically connected with a CPU and an SCU, the early warning circuits have the functions of monitoring the change of voltage, temperature and environment of an area, and can give an early warning to the SCU (safety control unit) when the early warning circuits cannot normally work, and the CPU configures the working frequency of each early warning circuit through a UART bus after the plurality of early warning circuits are started, and the configured working frequency is higher than the working frequencies of other modules in the area, so that the early warning circuits are ensured to fail first when monitoring the change of the environment. According to the vehicle gauge chip early warning method, the implementation of the early warning circuit is not limited to the encryption algorithm unit, and the working frequency of the early warning circuit is higher than that of other modules in the area, so that the circuit with abnormal functions caused by the change of the environment is ensured to be the early warning circuit, and the early warning function is realized.
Description
Technical Field
The application relates to the technical field of safe driving of vehicles, in particular to a vehicle gauge chip early warning method.
Background
The automobile gauge chip is a core component in automobile electronics, and in order to ensure personnel safety, the safety requirement of an automobile is continuously improved. Generally, the vehicle gauge chip is required to meet zero defect, so that a defect early warning mechanism is required to exist inside, once the defect is found, the alarm is timely given, and related alarms are processed within a certain time, so that personnel are ensured to be in a safe state. The application pre-warns the original functional safety pre-warning mechanism, pre-warns the potential alarms to be reported in the future in advance, so as to process the alarms in advance, shorten the response time required by processing the alarms and improve the safety performance of the vehicle-mounted chip.
The functional safety alarm mechanism of the traditional vehicle gauge chip can alarm only when the problem exists, and the response time reserved for the processor is not too long, so that the vehicle gauge chip early warning method is designed, the processor can early warn before the functional safety alarm mechanism alarms, the processor can process the work to be prepared in advance, and once the functional safety alarm mechanism alarms, the vehicle gauge chip capable of responding quickly has important practical significance and practical value, and therefore the vehicle gauge chip early warning method is provided to solve the problem.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a vehicle gauge chip early warning method, which has the advantages of further shortening the early warning time, realizing early warning and the like, and solves the problem of insufficient early warning response time.
In order to achieve the above purpose, the present application provides the following technical solutions: a vehicle gauge chip early warning method comprises the following steps:
s1, a plurality of early warning circuits are scattered in a chip and are electrically connected with a CPU and an SCU, the early warning circuits have the functions of monitoring the voltage, the temperature and the environmental change of an area, and the early warning circuits can give an early warning to the SCU (safety control unit) when the early warning circuits cannot work normally;
s2, after the early warning circuits are started, the CPU configures the working frequency of each early warning circuit through a UART bus, the configured working frequency is higher than the working frequencies of other modules in the area, the early warning circuit is ensured to fail first when the monitoring environment changes, and the early warning function is realized;
s3, after the working frequencies of all the early warning circuits are configured, the CPU issues a broadcast start early warning circuit command, the early warning circuits start to work, the operation is continuously carried out, whether the operation result accords with the expectation or not is checked, and if so, the normal operation is continued to play a role in monitoring;
and S4, if the error operation result does not accord with the expectation, giving an alarm to an SCU (safety control unit), preprocessing the current alarm, reporting the processed alarm to a CPU for warning processing, and conveniently processing related preparation work in advance before the corresponding functional safety alarm of early warning arrives, thereby completing the early preparation work and shortening the early warning response time.
Furthermore, the early warning circuit in the step S1 may be implemented by an encryption algorithm, or may be implemented by other circuits, and when the encryption algorithm circuit is affected by the environment and the calculated result does not coincide with the expected result, an alarm may be generated.
Furthermore, when the working frequency of the encryption algorithm circuit is higher than the working frequency of other modules in the area, so that a certain margin is reserved, and when the encryption algorithm circuit works abnormally, other circuits can be in a normal working state, and the early warning function is realized.
Further, in step S1, the SCU is a security processing module, configured to process the classification of the warning and the division of the warning level reported by the early warning circuit, and the warning with higher priority submits the interrupt to the CPU preferentially, so that the CPU responds quickly, and pre-processes the functional security warning that may exist in advance.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. according to the method for early warning of the vehicle gauge chip, the implementation of the early warning circuit is not limited to an encryption algorithm unit, and as the working frequency of the early warning circuit is higher than that of other modules in the area, the circuit with abnormal functions caused by the change of the environment is ensured to be the early warning circuit, so that the early warning function is realized;
2. according to the vehicle gauge chip early warning method, the early warning circuit is an early warning circuit for a functional safety warning mechanism in the vehicle gauge chip, so that the effect of responding to an alarm possibly coming in advance can be achieved, and the response time required by the functional safety warning is shortened.
Drawings
FIG. 1 is a schematic flow chart of the method of the present application;
fig. 2 is a schematic diagram of the circuit connection of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-2, a vehicle gauge chip early warning method in the present embodiment includes the following steps:
s1, a plurality of early warning circuits are scattered in a chip and are electrically connected with a CPU and an SCU, the early warning circuits are used for monitoring the voltage, the temperature and the environmental change of an area, when the early warning circuits cannot work normally, the early warning circuits can give an alarm to the SCU (safety control unit) in advance, the SCU is a safety processing module and is used for processing the classification of the warning reported by the early warning circuits and the division of the warning grades, the warning with higher priority is preferentially submitted to the CPU, the CPU can respond quickly, the early warning circuits can pre-process the possible functional safety warning in advance, the early warning circuits can be realized by using an encryption algorithm, the early warning circuits can also be realized by other circuits, when the encryption algorithm circuit is influenced by the environment, the calculated result is inconsistent with the expected result, when the working frequency of the encryption algorithm circuit is higher than the working frequency of other modules in the area, so that a certain margin is left, and when the encryption algorithm circuit is ensured to work abnormally, other circuits can also be in a normal working state, the early warning function is realized, and early warning is lifted;
s2, after the early warning circuits are started, the CPU configures the working frequency of each early warning circuit through a UART bus, the configured working frequency is higher than the working frequencies of other modules in the area, the early warning circuit is ensured to fail first when the monitoring environment changes, and the early warning function is realized;
s3, after the working frequencies of all the early warning circuits are configured, the CPU issues a broadcast start early warning circuit command, the early warning circuits start to work, the operation is continuously carried out, whether the operation result accords with the expectation or not is checked, and if so, the normal operation is continued to play a role in monitoring;
and S4, if the error operation result does not accord with the expectation, giving an alarm to an SCU (safety control unit), preprocessing the current alarm, reporting the processed alarm to a CPU for warning processing, and conveniently processing related preparation work in advance before the corresponding functional safety alarm of early warning arrives, thereby completing the early preparation work and shortening the early warning response time.
In this embodiment, the implementation of the early warning circuit is not limited to the encryption algorithm unit, but the operating frequency of the early warning circuit is higher than that of other modules in the area where the early warning circuit is located, so that the circuit which is ensured to cause abnormal functions at first due to environmental change is the early warning circuit, thereby realizing the function of early warning.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A method for early warning of a vehicle gauge chip is characterized by comprising the following steps of: the method comprises the following steps:
s1, a plurality of early warning circuits are scattered in a chip and are electrically connected with a CPU and an SCU, the early warning circuits have the functions of monitoring the voltage, the temperature and the environmental change of an area, and the early warning circuits can give an early warning to the SCU (safety control unit) when the early warning circuits cannot work normally;
s2, after the early warning circuits are started, the CPU configures the working frequency of each early warning circuit through a UART bus, the configured working frequency is higher than the working frequencies of other modules in the area, the early warning circuit is ensured to fail first when the monitoring environment changes, and the early warning function is realized;
s3, after the working frequencies of all the early warning circuits are configured, the CPU issues a broadcast start early warning circuit command, the early warning circuits start to work, the operation is continuously carried out, whether the operation result accords with the expectation or not is checked, and if so, the normal operation is continued to play a role in monitoring;
and S4, if the error operation result does not accord with the expectation, giving an alarm to an SCU (safety control unit), preprocessing the current alarm, reporting the processed alarm to a CPU for warning processing, and conveniently processing related preparation work in advance before the corresponding functional safety alarm of early warning arrives, thereby completing the early preparation work and shortening the early warning response time.
2. The method for early warning of the vehicle gauge chip according to claim 1, wherein the method comprises the following steps: the early warning circuit in the step S1 can be realized by an encryption algorithm or other circuits, and when the encryption algorithm circuit is influenced by the environment and the calculated result does not accord with the expected result, an alarm can be generated.
3. The method for early warning of the vehicle gauge chip according to claim 2, wherein the method comprises the following steps of: when the working frequency of the encryption algorithm circuit is higher than that of other modules in the area, a certain margin is reserved, so that when the encryption algorithm circuit works abnormally, other circuits can be in a normal working state, and the early warning function is realized.
4. The method for early warning of the vehicle gauge chip according to claim 1, wherein the method comprises the following steps: in the step S1, the SCU is a security processing module, and is used for processing the classification of the warning and the division of the warning level reported by the warning circuit, and the warning with higher priority submits the interrupt to the CPU preferentially, so that the CPU responds quickly, and the functional security warning possibly existing is preprocessed in advance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310688646.2A CN116737516B (en) | 2023-06-12 | 2023-06-12 | Method for early warning of vehicle gauge chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310688646.2A CN116737516B (en) | 2023-06-12 | 2023-06-12 | Method for early warning of vehicle gauge chip |
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| CN116737516A true CN116737516A (en) | 2023-09-12 |
| CN116737516B CN116737516B (en) | 2024-01-30 |
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Citations (7)
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|---|---|---|---|---|
| JP2010134525A (en) * | 2008-12-02 | 2010-06-17 | Nec Fielding Ltd | Failure monitor, failure-monitoring method and failure monitoring program for electronic device |
| DE102013105123A1 (en) * | 2012-05-24 | 2013-11-28 | Anden Co., Ltd. | Vehicle approach warning device |
| US20150066432A1 (en) * | 2013-08-28 | 2015-03-05 | Hon Hai Precision Industry Co., Ltd | Computing device and method for managing warning information of the computing device |
| CN112395156A (en) * | 2020-11-06 | 2021-02-23 | 微民保险代理有限公司 | Fault warning method and device, storage medium and electronic equipment |
| CN112614307A (en) * | 2020-12-18 | 2021-04-06 | 浙江静远电力实业有限公司 | Method and system for preventing mistaken entry interval safety monitoring of extra-high voltage transformer substation |
| WO2022149798A1 (en) * | 2021-01-11 | 2022-07-14 | 삼성전자 주식회사 | Electronic device and method for controlling electronic device |
| CN115168139A (en) * | 2022-06-28 | 2022-10-11 | 中信百信银行股份有限公司 | Early warning method and system based on monitoring prediction |
-
2023
- 2023-06-12 CN CN202310688646.2A patent/CN116737516B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010134525A (en) * | 2008-12-02 | 2010-06-17 | Nec Fielding Ltd | Failure monitor, failure-monitoring method and failure monitoring program for electronic device |
| DE102013105123A1 (en) * | 2012-05-24 | 2013-11-28 | Anden Co., Ltd. | Vehicle approach warning device |
| US20150066432A1 (en) * | 2013-08-28 | 2015-03-05 | Hon Hai Precision Industry Co., Ltd | Computing device and method for managing warning information of the computing device |
| CN112395156A (en) * | 2020-11-06 | 2021-02-23 | 微民保险代理有限公司 | Fault warning method and device, storage medium and electronic equipment |
| CN112614307A (en) * | 2020-12-18 | 2021-04-06 | 浙江静远电力实业有限公司 | Method and system for preventing mistaken entry interval safety monitoring of extra-high voltage transformer substation |
| WO2022149798A1 (en) * | 2021-01-11 | 2022-07-14 | 삼성전자 주식회사 | Electronic device and method for controlling electronic device |
| CN115168139A (en) * | 2022-06-28 | 2022-10-11 | 中信百信银行股份有限公司 | Early warning method and system based on monitoring prediction |
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| CN116737516B (en) | 2024-01-30 |
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