CN112213980A - Singlechip fault diagnosis board card and method - Google Patents
Singlechip fault diagnosis board card and method Download PDFInfo
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- CN112213980A CN112213980A CN202011134382.9A CN202011134382A CN112213980A CN 112213980 A CN112213980 A CN 112213980A CN 202011134382 A CN202011134382 A CN 202011134382A CN 112213980 A CN112213980 A CN 112213980A
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 26
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- 239000000758 substrate Substances 0.000 claims abstract description 31
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 9
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 238000012986 modification Methods 0.000 description 2
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
Abstract
The invention provides a singlechip fault diagnosis board card and a method, which comprises a debugging plug connector, a singlechip, a substrate management controller, a flash memory and a clock module; the debugging plug connector comprises: the system comprises an input/output module, an environment acquisition device and a voltage monitoring module; the single chip microcomputer is provided with an input/output interface, an integrated bus interface, a voltage acquisition interface, a clock interface and a serial equipment interface; the substrate management controller is connected with the single chip microcomputer, the input/output module is connected with the input/output interface, the environment acquisition device is connected with the integrated bus interface, and the voltage acquisition device is connected with the voltage acquisition interface; the serial equipment interface is connected with the flash memory; the clock interface is connected with the clock module. According to the invention, by configuring the interface of the single chip microcomputer and matching with the schemes of external resource initialization, fault information collection and the like, the fault information which cannot be monitored by the original substrate management controller is detected, and the fault diagnosis efficiency of the server is improved.
Description
Technical Field
The invention belongs to the technical field of single-chip microcomputers, and particularly relates to a fault diagnosis board card and a fault diagnosis method for a single-chip microcomputer.
Background
With the rapid development of business requirements such as artificial intelligence and big data, the requirements of servers such as large-capacity storage and artificial intelligence are increasing day by day, the demands of the whole servers are continuously increased, the supported configuration types are more and more, and the working pressure of fault analysis corresponding to the servers is also increasing day by day. Common failures of servers include: crash, deceleration, disk drop, shutdown, restart, and various log error reports. The mode used during hardware fault diagnosis is to capture out-of-band log error reporting and black box log information and platform Sensor information such as voltage, fan rotating speed, voltage and the like through a substrate management controller.
When a server complete machine runs and has faults such as disk dropping, abnormal shutdown and restart, the fault information is collected and analyzed in a mode of reading logs of a substrate management controller, error reporting information, hard disk information and the like, but the reason of the fault cannot be directly confirmed through the information, the fault phenomenon needs to be reproduced, the recorded information of the substrate management controller needs to be grabbed, and then the fault reason is further analyzed through information such as signal timing sequence, voltage and the like grabbed by an oscilloscope, a universal meter and the like.
The server comprises a plurality of resources such as CPUs, internal memories, hard disk components and the like, and the normal function of the server is greatly influenced when each part fails. The information monitored by the baseboard management controller contains information such as temperature, fans, partial power supply voltage and the like at a plurality of positions in the case, signals influencing the server system far exceed the number of interfaces which can be actually monitored by the baseboard management controller of the server, and signals of server faults can not be monitored. After the amount of servers is up, many lines such as debugging and fault analysis are not subjected to loading processing, so that the fault reason cannot be directly found out. The baseboard management controller displays various information from all positions of the server in real time, the I IC polling speed is in the second level, great delay exists, relevant information of the server cannot be recorded in real time, and abnormal information is not recorded when the server breaks down.
Because the number of channels of the oscilloscope is limited, only a limited number of signals can be detected. When a fault signal time sequence is collected in a small-probability fault, the time length is limited and the fault is easily triggered by mistake by using single trigger, a channel recorded by the multimeter is more limited, and the captured voltage value cannot be automatically recorded, so that the difficulty of collecting fault information is higher. When a fault with low probability is analyzed on the spot of a client, the time is required to be days or even weeks, and a server room is not provided with large equipment such as an oscilloscope and a logic analyzer for information monitoring, so that the fault analysis progress of the client is slow.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a singlechip fault diagnosis board card and a method thereof, which are used for solving the problems that server information which is not monitored by a monitoring substrate management controller cannot be positioned by the monitoring substrate management controller, and meanwhile, problem information monitoring cannot be carried out by accessing faults such as a universal meter, an oscilloscope and the like, and the server fault cannot be diagnosed and analyzed.
In a first aspect, the present invention provides a single chip microcomputer fault diagnosis board card, including:
the debugging connector comprises a debugging connector, a single chip microcomputer, a substrate management controller, a flash memory and a clock module; the debugging plug connector comprises: the system comprises an input/output module, an environment acquisition device and a voltage monitoring module;
the single chip microcomputer is provided with an input/output interface, an integrated bus interface, a voltage acquisition interface, a clock interface and a serial equipment interface; the substrate management controller is connected with the single chip microcomputer, the input/output module is connected with the input/output interface, the environment acquisition device is connected with the integrated bus interface, and the voltage acquisition device is connected with the voltage acquisition interface; the serial equipment interface is connected with the flash memory; the clock interface is connected with the clock module.
Further, the baseboard management controller is used for determining the acquisition device required for fault monitoring according to the type, the number and the acquisition mode of the signals required to be monitored
The substrate management controller is used for synchronizing clock data of the single chip microcomputer;
the baseboard management controller is used for burning and updating firmware;
the baseboard management controller is used for reading, deleting and writing the fault information recorded in the memory.
Furthermore, the input/output module is used for setting an interrupt triggering mode of the input/output module according to the number and level state of the input signals;
the environment acquisition device is used for monitoring the environment information of temperature and vibration of the single chip microcomputer;
the voltage acquisition device is used for monitoring the voltage values of the single chip microcomputer and the power supply;
the clock module is used for supplying power to the battery and providing system time;
the flash memory is used for storing the programs of the single chip microcomputer and fault information.
Furthermore, the single chip microcomputer is also provided with a debugging interface and a system information output interface;
the debugging interface is used for externally connecting a debugging computer so as to burn and debug the fault diagnosis program in the singlechip;
the system information output interface is used for connecting an external system for displaying fault information.
In a second aspect, the present invention provides a method for diagnosing a fault of a single chip microcomputer, including:
polling the interrupt condition of the input/output module;
acquiring voltage values of a single chip microcomputer and a power supply, level states of an input/output interface and environmental data as fault analysis information, and storing the fault analysis information in a flash memory;
the method comprises the following steps that a substrate management controller obtains fault analysis information in a flash memory, determines fault reasons and builds a fault model;
and the external serial port system checks the collected fault information and analyzes and determines the fault reason according to the fault model.
Further, the building of the fault model comprises:
determining the fault type according to the fault reason;
and determining the number of signals to be monitored, a data acquisition mode and the type of an environment acquisition device.
Further, the method further comprises:
and the baseboard management controller acquires system time at the same time of acquiring the fault analysis information in the flash memory to form a fault log file.
Further, the method further comprises:
the voltage monitoring module sets the sampling quantity, the time interval and the reasonable range of the voltage value;
and recording the voltage value when the voltage exceeds the reasonable range and the environmental data into the flash memory.
Further, the method further comprises: setting the interface address of the single chip and the initialization information communicated with the flash memory and the clock module.
The beneficial effect of the invention is that,
according to the fault diagnosis board card and the fault diagnosis method for the single chip microcomputer, provided by the invention, by configuring the interface of the single chip microcomputer, a plurality of server detection points are added, and by matching with the schemes of logics such as external resource initialization, fault information collection and the like, under the condition that the normal operation of the server is not influenced, the detection of the fault information which cannot be monitored by the original substrate management controller is increased, and the fault diagnosis efficiency of the server is improved.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a board card according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart diagram of an initialization configuration method of one embodiment of the invention.
FIG. 3 is a schematic flow diagram of a fault diagnosis method of one embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
In a first aspect, an embodiment of the present application provides a single chip microcomputer fault diagnosis board card, including:
the debugging connector comprises a debugging connector, a single chip microcomputer, a substrate management controller, a flash memory and a clock module; the debugging plug connector comprises: the system comprises an input/output module, an environment acquisition device and a voltage monitoring module;
the single chip microcomputer is provided with an input/output interface, an integrated bus interface, a voltage acquisition interface, a clock interface and a serial equipment interface; the substrate management controller is connected with the single chip microcomputer, the input/output module is connected with the input/output interface, the environment acquisition device is connected with the integrated bus interface, and the voltage acquisition device is connected with the voltage acquisition interface; the serial equipment interface is connected with the flash memory; the clock interface is connected with the clock module.
Optionally, as an embodiment of the present invention, the baseboard management controller is configured to determine, according to the type, the number, and the collection mode of the signals to be monitored, a collection device that needs to be used for fault monitoring
The substrate management controller is used for synchronizing clock data of the single chip microcomputer;
the baseboard management controller is used for burning and updating firmware;
the baseboard management controller is used for reading, deleting and writing the fault information recorded in the memory.
Optionally, as an embodiment of the present invention, the input/output module is configured to set an interrupt triggering manner of the input/output module according to the number and the level state of the input signal;
the environment acquisition device is used for monitoring the environment information of temperature and vibration of the single chip microcomputer;
the voltage acquisition device is used for monitoring the voltage values of the single chip microcomputer and the power supply;
the clock module is used for supplying power to the battery and providing system time;
the flash memory is used for storing the programs of the single chip microcomputer and fault information.
Optionally, as an embodiment of the present invention, the single chip microcomputer is further provided with a debugging interface and a system information output interface;
the debugging interface is used for externally connecting a debugging computer so as to burn and debug the fault diagnosis program in the singlechip;
the system information output interface is used for connecting an external system for displaying fault information.
In a second aspect, an embodiment of the present application provides a method for diagnosing a fault of a single chip microcomputer, including:
polling the interrupt condition of the input/output module;
acquiring voltage values of a single chip microcomputer and a power supply, level states of an input/output interface and environmental data as fault analysis information, and storing the fault analysis information in a flash memory;
the method comprises the following steps that a substrate management controller obtains fault analysis information in a flash memory, determines fault reasons and builds a fault model;
and the external serial port system checks the collected fault information and analyzes and determines the fault reason according to the fault model.
Optionally, as an embodiment of the present invention, the building a fault model includes:
determining the fault type according to the fault reason;
and determining the number of signals to be monitored, a data acquisition mode and the type of an environment acquisition device.
Optionally, as an embodiment of the present invention, the method further includes:
and the baseboard management controller acquires system time at the same time of acquiring the fault analysis information in the flash memory to form a fault log file.
Optionally, as an embodiment of the present invention, the method further includes:
the voltage monitoring module sets the sampling quantity, the time interval and the reasonable range of the voltage value;
and recording the voltage value when the voltage exceeds the reasonable range and the environmental data into the flash memory.
Optionally, as an embodiment of the present invention, the method further includes: setting the interface address of the single chip and the initialization information communicated with the flash memory and the clock module.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The embodiment provides a singlechip fault diagnosis board card and a method, wherein the board card comprises:
the debugging connector comprises a debugging connector, a single chip microcomputer, a substrate management controller, a flash memory and a clock module; the debugging plug connector comprises: the system comprises an input/output module, an environment acquisition device and a voltage monitoring module;
the single chip microcomputer is provided with an input/output interface, an integrated bus interface, a voltage acquisition interface, a clock interface, a serial equipment interface, a debugging interface and a system information output interface; the substrate management controller is connected with the single chip microcomputer, the input/output module is connected with the input/output interface, the environment acquisition device is connected with the integrated bus interface, and the voltage acquisition device is connected with the voltage acquisition interface; the serial equipment interface is connected with the flash memory; the clock interface is connected with the clock module.
As shown in fig. 1, a schematic diagram of a single chip microcomputer fault diagnosis board architecture is shown, and mainly an external serial device interface, a debugging interface and a system information output interface are all pins, so that an external signal detection mode of the device can be flexibly achieved through software, and key devices such as a single chip microcomputer and a connector in the board are small in size, and the board can be placed inside a server to collect fault diagnosis information;
the substrate management controller is connected with the single chip microcomputer through an I IC bus, and the main interconnected functions are as follows:
1. the baseboard management controller synchronizes the clock information of the single chip microcomputer, so that logs recorded by the baseboard management controller at the same moment can be checked synchronously;
2. the substrate management controller can burn the firmware of the singlechip, and the external interface function of the singlechip can be flexibly set through different firmware;
3. the baseboard management controller can read the fault information recorded in the flash memory and simultaneously carry out operations such as deleting the recorded information.
For clearly explaining the implementation of the design method, the implementation steps are described with reference to fig. 1, fig. 2, and fig. 3. The method comprises the following specific steps:
1. according to the board card self-contained operation and detection system provided by the invention, after the single chip microcomputer normally operates, additional resource consumption and influence on the operation of the substrate management controller and the server are not caused;
2. each interface of the single chip microcomputer shown in fig. 2 can be flexibly configured according to different fault detection requirements, preliminary positioning analysis is performed on the phenomena of faults (abnormal power failure, power on and off, and the like), the number of signals to be detected and related parameters are confirmed, and firmware burning is performed after the related settings are compiled;
3. building a line according to the architecture shown in fig. 1;
4. the input/output module is connected to the signals on the server according to the order of the input/output setting signals corresponding to the firmware;
5. similarly, the voltage monitoring module and the environment acquisition device are sequentially connected to signals on the server according to the initialization setting of the corresponding module of the firmware, and the environment acquisition device is fixed at the position of a fault device;
6. the single chip microcomputer is connected with the substrate management controller through a bus interface, before starting a fault diagnosis test, the substrate management controller can perform operations such as burning, information reading, system clock synchronization and the like on the single chip microcomputer, and the bus interface is closed before the server normally runs to avoid influencing the running of the server;
7. and finally, after the singlechip fault diagnosis system is built, fault information is collected according to the flow shown in the figure 3, the fault phenomenon is waited to occur again, the collected fault information can be checked through an external system after the fault occurs, and the fault reason is analyzed and determined by contrasting the related logs of the substrate management controller.
As shown in fig. 1 and 2, the number of signals to be detected and the data collection manner are determined by preliminarily analyzing the related information and failure phenomenon recorded by the bmc, and the type of the environment acquisition device connected to the environment state (temperature, vibration, etc.) to be monitored is determined. The method comprises the steps of initializing an input/output interface, an integrated bus interface, a voltage acquisition interface, a clock interface, a serial device interface, a debugging interface and a system information output interface of the single chip microcomputer, forming a recordable file through compiler initialization configuration, recording through the debugging interface, and recording firmware of the single chip microcomputer through a substrate management controller.
As shown in fig. 1 and 3, the single chip microcomputer fault diagnosis card mainly uses the interrupt input of the input/output module as a trigger source, after the interrupt trigger, firstly collects the voltage data of the detection signal and the power supply through the voltage monitoring module, then collects the level state of the signal of the input/output interface to be connected to the server after capturing the system time, then reads the operating environment data of the temperature, the vibration and the like of the test point through the environment acquisition device, finally records all the collected data information in the flash memory, and then detects whether the interrupt trigger exists again.
The same signal of the server can be simultaneously connected with the input/output module and the voltage monitoring module, and the level state and the actual voltage value of one signal can be simultaneously detected. When the input/output module is triggered for multiple times to interrupt the recorded data, the time intervals among a plurality of interrupt input signals can be known by comparing the system time, so that the time sequence relation of the detection signals can be known, and whether the voltage value of the signal detected by each voltage monitoring module is abnormal or not when the interrupt is triggered can be known.
When the server has a fault which cannot be diagnosed by recording information through the substrate management controller, the fault diagnosis card is connected, so that information such as signal states of fault detection can be flexibly added, and the problems that the server has insufficient detection information of similar problems and the fault solving efficiency is low are solved.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a singlechip fault diagnosis integrated circuit board which characterized in that includes: the debugging connector comprises a debugging connector, a single chip microcomputer, a substrate management controller, a flash memory and a clock module; the debugging plug connector comprises: the system comprises an input/output module, an environment acquisition device and a voltage monitoring module;
the single chip microcomputer is provided with an input/output interface, an integrated bus interface, a voltage acquisition interface, a clock interface and a serial equipment interface; the substrate management controller is connected with the single chip microcomputer, the input/output module is connected with the input/output interface, the environment acquisition device is connected with the integrated bus interface, and the voltage acquisition device is connected with the voltage acquisition interface; the serial equipment interface is connected with the flash memory; the clock interface is connected with the clock module.
2. The single-chip microcomputer fault diagnosis board card according to claim 1, wherein the baseboard management controller is used for determining a collection device required for fault monitoring according to the type, the number and the collection mode of signals required to be monitored
The substrate management controller is used for synchronizing clock data of the single chip microcomputer;
the baseboard management controller is used for burning and updating firmware;
the baseboard management controller is used for reading, deleting and writing the fault information recorded in the memory.
3. The single chip microcomputer fault diagnosis board card of claim 1,
the input/output module is used for setting an interrupt triggering mode of the input/output module according to the quantity and the level state of the input signals;
the environment acquisition device is used for monitoring the environment information of temperature and vibration of the single chip microcomputer;
the voltage acquisition device is used for monitoring the voltage values of the single chip microcomputer and the power supply;
the clock module is used for supplying power to the battery and providing system time;
the flash memory is used for storing the programs of the single chip microcomputer and fault information.
4. The single-chip microcomputer fault diagnosis board card according to claim 1, wherein the single-chip microcomputer is further provided with a debugging interface and a system information output interface;
the debugging interface is used for externally connecting a debugging computer so as to burn and debug the fault diagnosis program in the singlechip;
the system information output interface is used for connecting an external system for displaying fault information.
5. A single chip microcomputer fault diagnosis method is characterized by comprising the following steps:
polling the interrupt condition of the input/output module;
acquiring voltage values of a single chip microcomputer and a power supply, level states of an input/output interface and environmental data as fault analysis information, and storing the fault analysis information in a flash memory;
the method comprises the following steps that a substrate management controller obtains fault analysis information in a flash memory, determines fault reasons and builds a fault model;
and the external serial port system checks the collected fault information and analyzes and determines the fault reason according to the fault model.
6. The method for diagnosing the fault of the single chip microcomputer according to claim 5, wherein the building of the fault model comprises the following steps:
determining the fault type according to the fault reason;
and determining the number of signals to be monitored, a data acquisition mode and the type of an environment acquisition device.
7. The method for diagnosing the fault of the single chip microcomputer according to claim 5, wherein the method further comprises the following steps:
and the baseboard management controller acquires system time at the same time of acquiring the fault analysis information in the flash memory to form a fault log file.
8. The method for diagnosing the fault of the single chip microcomputer according to claim 5, wherein the method further comprises the following steps:
the voltage monitoring module sets the sampling quantity, the time interval and the reasonable range of the voltage value;
and recording the voltage value when the voltage exceeds the reasonable range and the environmental data into the flash memory.
9. The method for diagnosing the fault of the single chip microcomputer according to claim 5, wherein the method further comprises the following steps: setting the interface address of the single chip and the initialization information communicated with the flash memory and the clock module.
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| CN115372044A (en) * | 2022-10-25 | 2022-11-22 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Detection control device integrated in electromechanical product and use method thereof |
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Application publication date: 20210112 |