CN113742143A - Single board abnormity detection method, device, terminal, system and storage medium - Google Patents
Single board abnormity detection method, device, terminal, system and storage medium Download PDFInfo
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
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Abstract
According to the board abnormality detection method, device, terminal, system and storage medium provided by the embodiments of the present invention, in the board detection process, a board is connected to at least one connector, when a board has an abnormality in a target parameter value, a feedback coefficient corresponding to a signal of each connector connected to the board is obtained, a second dispersion of the feedback coefficient is calculated, after the first dispersion is obtained, the first dispersion is compared with the second dispersion, and it is determined whether the abnormality in the target parameter value of the board is caused by a contact problem of the connector corresponding to the board according to a comparison result.
Description
Technical Field
The embodiment of the invention relates to the technical field of integrated digital communication, in particular to but not limited to a single board abnormity detection method, a device, a terminal, a system and a storage medium.
Background
With the development of the technology in the electronic industry, especially the development of the communication technology, due to the improvement of broadband requirements and service scale, higher requirements are put forward in the industry for efficient transmission of data, and in data transmission under a high-speed channel, the key to realizing efficient data transmission is to ensure the stability of data. Since serial communication technology of high-speed SerDes (serializer/deserializer) has the characteristics of high channel capacity, low system cost, high transmission speed and the like, serial communication technology based on SerDes is gradually becoming the mainstream high-speed data communication technology.
For example, for the currently-compared leading-edge 56G high-speed SerDes, the PAM4 pattern determines its susceptibility to interference, particularly the effects of return loss. In the actual production and single board screening processes, the situation that 56G SerDes BER (Bit error rate Bit error probability) exceeds the standard in the factory test due to poor contact between single boards and connectors between the single boards and a backboard often occurs, but in the related art, the judgment of the fault needs to verify the single boards by manually plugging and unplugging the single boards, and whether the problem that the SerDes BER exceeds the standard is caused by the contact problem of the connectors is judged.
Disclosure of Invention
The embodiment of the invention provides a single board abnormity detection method, a device, a terminal, a system and a storage medium, and mainly solves the technical problems that: in the related art, when detecting the single board, the single board is manually plugged to judge whether the abnormal communication parameters of the single board are caused by the contact problem of the connector, and because the single board has long starting time and complicated testing procedures, a large amount of verification time is spent, and the productivity is influenced.
To solve the foregoing technical problem, an embodiment of the present invention provides a method for detecting a board anomaly, including:
connecting a single board with at least one connector, and acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board when the single board has an abnormal target parameter value;
calculating a second dispersion of the feedback coefficient, and acquiring a first dispersion;
and comparing the second dispersion with the first dispersion, and determining whether the target parameter value of the single plate is abnormal or not caused by the contact problem of the connector corresponding to the single plate according to the comparison result.
In an embodiment of the present invention, determining whether the target parameter value of the board is abnormal or not caused by a contact problem of the connector corresponding to the board according to the comparison result includes:
and when the second dispersion is larger than the first dispersion, judging that the target parameter value of the single plate is abnormal and is caused by the contact problem of the connector corresponding to the single plate.
In one embodiment of the present invention, after connecting the single board with the at least one connector, the method further includes:
amplifying the high-frequency component of the signal corresponding to the connector, attenuating the low-frequency component, and balancing the frequency spectrum of the signal;
and adjusting the feedback coefficient corresponding to the signal according to the eye diagram of the signal.
In one embodiment of the present invention, acquiring the first dispersion includes:
acquiring signals of connectors corresponding to at least two single boards, wherein each single board is connected with at least one connector;
acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board;
and calculating the first dispersion according to all the acquired feedback coefficients.
In one embodiment of the present invention, acquiring the first dispersion includes:
acquiring a preset dispersion as a first dispersion.
An embodiment of the present invention further provides a single board abnormality detection apparatus, including:
the acquisition module is used for acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board;
the calculating module is used for calculating the dispersion of the feedback coefficient;
and the comparison module is used for comparing the first dispersion with the second dispersion and determining whether the target parameter value abnormality of the single board is caused by the contact problem of the connector corresponding to the single board according to the comparison result.
In an embodiment of the present invention, the single board abnormality detection apparatus further includes a first processing module and a second processing module;
the first processing module is used for amplifying the high-frequency component of the signal, attenuating the low-frequency component, balancing the frequency spectrum of the signal and generating a signal image of the signal;
the second processing module is used for adjusting the feedback coefficient corresponding to the signal according to the eye diagram of the signal.
In an embodiment of the present invention, the single board abnormality detection apparatus further includes a storage module, configured to store the first dispersion and/or the preset dispersion, and store the second dispersion.
The embodiment of the invention also provides a terminal, which comprises the single board abnormity detection device, a processor, a memory and a communication bus;
the communication bus is used for realizing the connection communication between the processor and the memory and the connection communication between the processor and the terminal active heat dissipation device;
the processor is configured to execute one or more computer programs stored in the memory to implement the steps of the board anomaly detection method as described above.
The embodiment of the invention also provides a veneer abnormality detection system, which comprises at least one veneer, at least one connector and the terminal; the single board is connected with at least one connector; when the target parameter value is abnormal in the detection process of the single board, the terminal acquires a feedback coefficient corresponding to a signal of each connector connected with the single board, calculates a second dispersion of the feedback coefficient, compares the second dispersion with the acquired first dispersion, and determines whether the target parameter value abnormality of the single board is caused by a contact problem of the connector corresponding to the single board according to a comparison result.
An embodiment of the present invention further provides a computer-readable storage medium, where one or more computer programs are stored, and the one or more computer programs are executable by one or more processors to implement the steps of the single board abnormality detection method described above.
The invention has the beneficial effects that:
according to the board abnormality detection method, device, terminal, system and storage medium provided by the embodiments of the present invention, in the board detection process, a board is connected to at least one connector, when a board has an abnormality in a target parameter value, a feedback coefficient corresponding to a signal of each connector connected to the board is obtained, a second dispersion of the feedback coefficient is calculated, after the first dispersion is obtained, the first dispersion is compared with the second dispersion, and it is determined whether the abnormality in the target parameter value of the board is caused by a contact problem of the connector corresponding to the board according to a comparison result.
Additional features and corresponding advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a flowchart of a single board anomaly detection method according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a single board abnormality detection apparatus according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal according to a third embodiment of the present invention;
fig. 4 is a structural diagram of a board anomaly detection system according to a fourth embodiment of the present invention;
fig. 5 is an operation flowchart of a single board abnormality detection apparatus according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of a single board anomaly detection device with dual computation modules according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
in order to solve the problems that in the related art, when a single board is detected, whether the single board communication parameter abnormality is caused by the contact problem of a connector is judged by manually plugging and unplugging the single board, and a large amount of verification time is spent and the productivity is affected due to the fact that the single board is long in starting time and the testing process is complex, the embodiment of the invention provides a single board abnormality detection method.
Referring to fig. 1, an embodiment of the present invention provides a method for detecting a single board anomaly, including the following steps:
s101: connecting a single board with at least one connector, and acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board when the target parameter value of the single board is abnormal.
The embodiment of the present invention does not limit the specific type of the board, and different types of boards are connected to at least one connector according to the interfaces and the functions to be detected, which are provided by the boards, during the detection process, and each connector is correspondingly connected to one interface of the board. After the single board is connected with the connectors, the corresponding signals and the feedback coefficients corresponding to the signals can be obtained through each connector.
In some embodiments, the connector is connected to the signal transmitting end, and transmits a signal corresponding to the connector to the signal receiving end through the signal transmitting end.
In the embodiment of the present invention, the target parameter value may be flexibly selected and set according to different types of boards to be detected, and a standard reference range is preset, and when the target parameter value exceeds the standard reference range in the detection process of the board, it may be understood that the board has an abnormal target parameter value in the detection process, for example, the target parameter value may be set as a Bit Error Rate (BER) value and a standard reference range is set for the board, and when the BER of data transmitted by the board exceeds the standard reference range in the detection process of the board, it is determined that the target parameter value is abnormal in the detection process of the board.
In some embodiments of the present invention, in step S101, after the single board is connected to at least one connector, the method further includes a step of processing a signal corresponding to the connector and adjusting a feedback coefficient corresponding to the signal, which specifically includes:
s1011: amplifying the high-frequency component of the signal corresponding to the connector, attenuating the low-frequency component, and balancing the frequency spectrum of the signal;
in this step, a signal receiving end acquires a signal, each connector of a board is correspondingly provided with a unique corresponding signal receiving end, and an optional signal receiving end according to an embodiment of the present invention includes a CTLE (Continuous time linear equalizer) module and a DFE (Decision feedback equalizer) module.
The CTLE module compensates the low-pass effect of a transmission channel by using the frequency response characteristic of high-pass filtering, amplifies the high-frequency component in the signal, attenuates the low-frequency component, enables the low-frequency component and the high-frequency component of the whole signal to be matched, and balances the signal spectrum.
S1012: and adjusting the feedback coefficient corresponding to the signal according to the eye diagram of the signal.
The CTLE module amplifies noise while amplifying high frequency components of the signal, and the DFE module can avoid the problem of amplifying noise. The DFE module is composed of a feedback filter and a decision device, and can eliminate intersymbol interference of a current symbol to a subsequent symbol. The DFE module has a self-adapting function, and can continuously update DFE feedback coefficients to adapt to changes of channels and noise by utilizing a feedback loop according to a digital eye diagram corresponding to a signal. It should be understood that the signal image used in the embodiment of the present invention is not limited, and any image that can be used to adjust the signal feedback coefficient may be used, and preferably, a digital eye pattern is used as the signal image in the embodiment of the present invention.
And the calculation comparison end is provided with a read-write interface of a DFE module related register on a software level, and is used for extracting the DFE feedback coefficient adjusted by the DFE module at the receiving end, and calculating the first dispersion of the feedback coefficient after reading the DFE feedback coefficient. The method for setting the read-write interface of the DFE related register comprises the following steps:
s201: confirming the type of an access interface of a signal processing end chip;
in this embodiment, the type of the access interface of the chip is not limited, and may be flexibly selected according to actual needs, such as PCIE (peripheral component interconnect express, high speed serial computer extended bus standard), MDIO (Management Data Input/Output ), and the like.
S202: confirming the register address reflecting DFE feedback coefficient in the chip;
s203: a software encapsulation command is constructed for reading the DFE feedback coefficients.
S102: and calculating a second dispersion of the feedback coefficient, and acquiring a first dispersion.
The second dispersion is the calculated dispersion of all DFE feedback coefficients of the single board with abnormal target parameter values in the detection process.
The calculation formula of the second dispersion includes, but is not limited to, the following formula:
T0＝sqrt(((Cf0-y)^2+(Cf1-y)^2+......(Cfn-y)^2)/(n+1))，
wherein y ═ c 0+ c f1+. Cfn)/(n + 1).
In the above formula, T0 represents the dispersion, Cf represents the board with abnormal target parameter value, and its number is f, Cf0 to Cfn represent DFE feedback coefficients corresponding to the Cf board.
For the acquisition of the first dispersion, in some embodiments of the present invention, a preset dispersion that is directly set and stored in the calculation comparing end by a user or a manufacturer may be used as the first dispersion.
In some embodiments of the invention, the first dispersion may also be calculated by:
s301: acquiring signals of connectors corresponding to at least two single boards, wherein each single board is connected with at least one connector;
in this step, at least two veneers are measured simultaneously, each veneer having at least one connector attached thereto. The at least two single boards to be tested are of the same type, and the testing functions are consistent. It should be understood that the number of connectors and connection locations connected per board are the same during the testing process. Each connector of each single board connection is used for transmitting the signal corresponding to the connector. For example, when N connectors are connected to a single board, the N connectors transmit N sets of signals.
S302: acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board;
in this step, each connector of a board is provided with a unique corresponding signal receiving end, and the receiving end includes a CTLE (Continuous time linear equalizer) module and a DFE (Decision feedback equalizer) module.
The CTLE module compensates the low-pass effect of a transmission channel by using the frequency response characteristic of high-pass filtering, amplifies the high-frequency component in the signal, attenuates the low-frequency component, enables the low-frequency component and the high-frequency component of the whole signal to be matched, and balances the signal spectrum.
The CTLE amplifies the high frequency components of the signal while also amplifying noise, and the DFE block avoids the problem of amplifying noise. The DFE module is composed of a feedback filter and a decision device, and can eliminate intersymbol interference of a current symbol to a subsequent symbol. The DFE module has a self-adapting function, and can continuously update DFE feedback coefficients to adapt to changes of channels and noise by utilizing a feedback loop according to a digital eye diagram corresponding to a signal.
S303: and calculating the first dispersion according to all the acquired feedback coefficients.
The calculation comparison end is provided with a read-write interface of a DFE related register on a software level, and is used for extracting DFE feedback coefficients, and calculating first dispersion of the feedback coefficients after the DFE feedback coefficients are read.
The calculation formula of the first dispersion includes, but is not limited to, the following formula:
T＝sqrt(((C00-x)^2+(C01-x)^2+......(Cmn-x)^2)/((n+1)*(m+1)))，
where x ═ C00+ C01+. cnn)/((n +1) × (m + 1)).
In the above formula, T represents the dispersion, C0 to Cm represent m +1 tested veneers numbered 0 to m, and Cm0 to Cmn represent all feedback coefficients numbered 0 to n corresponding to the veneers numbered m.
In some embodiments of the present invention, the calculated first dispersion may be used as a preset standard dispersion, and when detecting single boards of other batches in the future, the standard dispersion may be directly used as the first dispersion of the DFE feedback coefficient of the single board of the current batch.
S103: and comparing the second dispersion with the first dispersion, and determining whether the target parameter value of the single plate is abnormal or not caused by the contact problem of the connector corresponding to the single plate according to the comparison result.
In this step, the second dispersion is compared with the first dispersion, and when the second dispersion is greater than the first dispersion, it is determined that the problem of abnormality of the target parameter value of the single plate corresponding to the second dispersion is caused by the contact problem of the connector corresponding to the single plate. The first dispersion represents the dispersion of the feedback coefficients of the signal of the normal single board, wherein each feedback coefficient is acquired through the interface after the single board is connected with the connector, and can be used for showing the connection state of the single board and the connector, so that if the second dispersion of the single board which is being detected is greater than the first dispersion, the single board and at least one connector are shown to have a contact problem.
The method for detecting the abnormality of the single board provided by the embodiment of the invention includes the steps of acquiring a signal corresponding to each connector connected with the single board when the target parameter value of the single board is abnormal, processing the acquired signal, adjusting a feedback coefficient corresponding to the signal, calculating a second dispersion of the feedback coefficient, comparing the first dispersion with the second dispersion after the first dispersion is acquired, and determining whether the target parameter value abnormality of the single board is caused by a contact problem of the connector corresponding to the single board according to a comparison result; the method reduces the troubleshooting time when the target parameters of the single board are abnormal, improves the detection efficiency of the single board, and is beneficial to improving the productivity of the single board.
Example two:
in order to solve the problems that in the related art, when a single board is detected, whether the single board communication parameter abnormality is caused by the contact problem of a connector is judged by manually plugging and unplugging the single board, and a large amount of verification time is spent and the productivity is affected due to the fact that the single board is long in starting time and the testing process is complex, the embodiment of the invention provides the single board abnormality detection device.
Referring to fig. 2, a single board abnormality detection apparatus according to an embodiment of the present invention includes an obtaining module 21, a calculating module 22, and a comparing module 23.
An obtaining module 21, configured to obtain a feedback coefficient corresponding to a signal of each connector connected to the board.
The embodiment of the present invention does not limit the specific type of the board, and different types of boards are connected to at least one connector according to the interfaces and the functions to be detected, which are provided by the boards, during the detection process, and each connector is correspondingly connected to one interface of the board. After the single board and the connectors are connected, the single board abnormity detection device acquires the signal corresponding to each connector through the acquisition module.
In some embodiments of the present invention, the single board abnormality detection apparatus further includes a first processing module 24 and a second processing module 25, configured to process the signal and adjust a feedback coefficient corresponding to the signal.
In the embodiment of the present invention, the first processing module is a CTLE (continuous time linear equalizer) module, and the second processing module is a DFE (Decision feedback equalizer) module.
The CTLE module compensates the low-pass effect of a transmission channel by using the frequency response characteristic of high-pass filtering, amplifies the high-frequency component in the signal, attenuates the low-frequency component, enables the low-frequency component and the high-frequency component of the whole signal to be matched, and balances the signal spectrum.
The CTLE module amplifies noise while amplifying high frequency components of the signal, and the DFE module can avoid the problem of amplifying noise. The DFE module is composed of a feedback filter and a decision device, and can eliminate intersymbol interference of a current symbol to a subsequent symbol. The DFE module has a self-adapting function, and can continuously update DFE feedback coefficients to adapt to changes of channels and noise by utilizing a feedback loop according to a digital eye diagram corresponding to a signal. It should be understood that the signal image used in the embodiment of the present invention is not limited, and any image that can be used to adjust the signal feedback coefficient may be used, and preferably, a digital eye pattern is used as the signal image in the embodiment of the present invention.
A calculation module 22 for calculating the dispersion of the feedback coefficient
The single board abnormity detection device is provided with a read-write interface of a DFE module related register on a software level, and is used for extracting the DFE feedback coefficient adjusted by the DFE module at the receiving end, reading the DFE feedback coefficient and then calculating the dispersion of the DFE feedback coefficient. The method for setting the read-write interface of the DFE module related register comprises the following steps:
s201: confirming the access interface type of the chip of the single board abnormity detection device;
in this embodiment, the type of the access interface of the chip is not limited, and may be flexibly selected according to actual needs, such as PCIE (peripheral component interconnect express, high speed serial computer extended bus standard), MDIO (Management Data Input/Output ), and the like.
S202: confirming the register address reflecting DFE feedback coefficient in the chip;
s203: a software encapsulation command is constructed for reading the DFE feedback coefficients.
The calculation of the dispersion is divided into two cases: (1) detecting a single board, acquiring the dispersion of DFE feedback coefficients of the single board, and taking the dispersion as a second dispersion;
the calculation formula of the second dispersion includes, but is not limited to, the following formula:
T0＝sqrt(((Cf0-y)^2+(Cf1-y)^2+......(Cfn-y)^2)/(n+1))，
wherein y ═ c 0+ c f1+. Cfn)/(n + 1).
In the above formula, T0 represents the dispersion, Cf represents a board with an abnormal target parameter value, and the number of Cf is f, and Cf0 to Cfn represent feedback coefficients corresponding to the Cf board.
(2) And detecting a plurality of single boards and obtaining the dispersion of DFE feedback coefficients corresponding to the plurality of single boards, and taking the dispersion as a first dispersion.
Since the first dispersion is obtained by detecting a plurality of boards, it can be used as a reference value of the dispersion of the feedback coefficient of the DFE of a normal board.
The calculation formula of the first dispersion includes, but is not limited to, the following formula:
T＝sqrt(((C00-x)^2+(C01-x)^2+......(Cmn-x)^2)/((n+1)*(m+1)))，
where x ═ C00+ C01+. cnn)/((n +1) × (m + 1)).
In the above formula, T represents the dispersion, C0 to Cm represent m +1 tested boards numbered 0 to m, and Cm0 to Cmn represent all DFE feedback coefficients numbered 0 to n corresponding to the board numbered m.
In addition, in some embodiments of the present invention, a preset dispersion that is directly set by a user or a manufacturer and stored in the single board abnormality detection device may be used as the first dispersion
In some embodiments of the present invention, the calculating module 23 is divided into a first calculating module and a second calculating module, where the first calculating module is configured to calculate the dispersion of DFE feedback coefficients of all boards to be measured, and use the dispersion as a first dispersion, that is, a standard dispersion; and the second calculation module is used for calculating the dispersion of the DFE feedback coefficient of the single plate with the abnormal target parameter and taking the dispersion as a second dispersion. For example, when the boards to be tested are board 1, board 2 and board 3, and board 2 is a board with abnormal target parameters, a working diagram of the board abnormality detection apparatus with the first calculation module and the second calculation module is shown in fig. 6.
The comparing module 23 is configured to compare the first dispersion with the second dispersion, and determine that the abnormality of the target parameter value of the board is caused by a contact problem of the connector corresponding to the board.
The comparison module obtains the first dispersion and the second dispersion, compares the second dispersion with the first dispersion, and when the second dispersion is greater than the first dispersion, the comparison module outputs a high level and judges that the problem of the abnormal target parameter value of the veneer corresponding to the second dispersion is caused by the contact problem of the connector corresponding to the veneer.
In some embodiments of the present invention, the single board abnormality detecting apparatus further includes a storage module 26, configured to store the first dispersion and/or the preset dispersion, and store the second dispersion. In addition, in some embodiments of the present invention, the storage module 26 may also be used to store various calculated values during the dispersion calculation, including but not limited to DFE feedback coefficients.
In some embodiments of the present invention, the single board abnormality detection device further includes a system display interface, and when the second dispersion is greater than the first dispersion, the comparison module in the single board abnormality detection device outputs a high level to trigger the single board abnormality detection device to send a prompt message on the system display interface, for example, send a message that "the fault is caused by a contact problem of the connector and needs to check the connector", so that a user can visually obtain fault location information.
Referring to fig. 5, when the single board anomaly detection device reads that the BER of the detected single board exceeds the standard, triggering software in the anomaly detection device to read the feedback coefficient of the single board, and calculating a second dispersion; obtain first dispersion, compare first dispersion and second dispersion, when the second dispersion is greater than first dispersion, output high level triggers among the anomaly detection device and reminds veneer and connector contact failure in the system display interface.
The single board abnormality detection device provided by the embodiment of the invention comprises: an obtaining module, configured to obtain a signal corresponding to each connector connected to the board; the first processing module and the second processing module are used for processing the signals and adjusting feedback coefficients corresponding to the signals; the calculating module is used for calculating the dispersion of the feedback coefficient; and the comparison module is used for comparing the first dispersion with the second dispersion and judging that the target parameter value abnormality of the single board is caused by the contact problem of the connector corresponding to the single board. By applying the device, the troubleshooting time when the target parameters of the single board are abnormal is reduced, the single board detection efficiency is improved, and the single board productivity is favorably improved.
Example three:
in order to solve the problems that in the related art, when a single board is detected, whether the single board communication parameter abnormality is caused by the contact problem of a connector is judged by manually plugging and unplugging the single board, and a large amount of verification time is spent and the productivity is affected due to the fact that the single board is long in starting time and complex in testing procedures, the embodiment of the invention provides a terminal.
Referring to fig. 3, the terminal in the embodiment of the present invention includes a processor 31, a memory 32, and a communication bus 33, and further includes a board abnormality detection device 34 in the second embodiment, where:
the communication bus 33 is used for realizing connection communication between the processor 31 and the memory 32, and connection communication between the processor 31 and the board abnormality detection device 34;
the processor 31 is configured to execute one or more computer programs stored in the memory 32 to implement at least one step of the board anomaly detection method in the first embodiment.
The present embodiments also provide a computer-readable storage medium including volatile or non-volatile, removable or non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, computer program modules or other data. Computer-readable storage media include, but are not limited to, RAM (Random Access Memory), ROM (Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash Memory or other Memory technology, CD-ROM (Compact disk Read-Only Memory), Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer.
The computer-readable storage medium in this embodiment may be used to store a computer program, and one or more stored computer programs may be executed by a processor to implement at least one step of the board exception detection in the first embodiment.
The present embodiment further provides a computer program (or called computer software), which can be distributed on a computer readable medium and executed by a computing device to implement at least one step of the single board abnormality detection method in the first embodiment; and in some cases at least one of the steps shown or described may be performed in an order different than that described in the embodiments above.
The present embodiments also provide a computer program product comprising a computer readable means on which a computer program as shown above is stored. The computer readable means in this embodiment may include a computer readable storage medium as shown above.
Example four:
in order to solve the problems that in the related art, when a single board is detected, whether the single board communication parameter abnormality is caused by the contact problem of a connector is judged by manually plugging and unplugging the single board, and a large amount of verification time is spent and the productivity is affected due to the fact that the single board is long in starting time and the testing process is complex, the embodiment of the invention provides a single board abnormality detection system.
Referring to fig. 4, the board anomaly detection system in the embodiment of the present invention includes at least one board 41, at least one connector 42, and a terminal 43 in the third embodiment. For example, in some embodiments of the present invention, a board anomaly detection system may include multiple boards 41, 42 … … 4N, where each board has at least one connector attached thereto, such as board 41 having connectors 411, 412 … … 41N attached thereto. When the target parameter value of the board is abnormal in the detection process, the terminal 43 calculates a second dispersion of the feedback coefficient after acquiring the feedback coefficient of the signal corresponding to each connector, compares the second dispersion with the acquired first dispersion, and determines whether the target parameter value of the board is abnormal or not due to the contact problem of the connector corresponding to the board according to the comparison result.
In the above board anomaly detection system, the steps of signal acquisition, signal processing, feedback coefficient adjustment, dispersion calculation and acquisition, dispersion comparison, and determination of whether the target parameter value anomaly of the board is caused by the contact problem of the connector corresponding to the board according to the comparison result are substantially the same as those in the first and second embodiments, and are not repeated here.
The veneer abnormality detection system provided by the embodiment of the invention comprises at least one veneer, at least one connector and the terminal in the third embodiment; the single board is connected with at least one connector; when the target parameter value of the single board is abnormal, the terminal obtains the feedback coefficient corresponding to the signal of each connector, calculates the second dispersion of the feedback coefficient, compares the second dispersion with the obtained first dispersion, and determines whether the target parameter value of the single board is abnormal or not caused by the contact problem of the connector corresponding to the single board according to the comparison result. By applying the veneer abnormality detection system, the troubleshooting time when the target parameters of the veneer are abnormal is reduced, the veneer detection efficiency is improved, and the veneer productivity is favorably improved.
It will be apparent to those skilled in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software (which may be implemented as computer program code executable by a computing device), firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit.
In addition, communication media typically embodies computer readable instructions, data structures, computer program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to one of ordinary skill in the art. Thus, the present invention is not limited to any specific combination of hardware and software.
The foregoing is a more detailed description of embodiments of the present invention, and the present invention is not to be considered limited to such descriptions. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (11)
1. A single board abnormity detection method comprises the following steps:
connecting a single board with at least one connector, and acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board when the single board has an abnormal target parameter value;
calculating a second dispersion of the feedback coefficient, and acquiring a first dispersion;
and comparing the second dispersion with the first dispersion, and determining whether the target parameter value abnormality of the single board is caused by the contact problem of the connector corresponding to the single board according to the comparison result.
2. The method for detecting an abnormality of a board according to claim 1, wherein the determining, according to the comparison result, whether the abnormality of the target parameter value of the board is caused by a contact problem of a connector corresponding to the board includes:
and when the second dispersion is larger than the first dispersion, judging that the target parameter value abnormality of the single plate is caused by the contact problem of the connector corresponding to the single plate.
3. The method for detecting an abnormality of a board according to claim 2, further comprising, after said connecting the board to at least one connector:
amplifying the high-frequency component of the signal corresponding to the connector, attenuating the low-frequency component, and balancing the frequency spectrum of the signal;
and adjusting a feedback coefficient corresponding to the signal according to the eye diagram of the signal.
4. The veneer abnormality detection method according to any one of claims 1 to 3, characterized in that said obtaining a first dispersion includes:
acquiring signals of connectors corresponding to at least two single boards, wherein each single board is connected with at least one connector;
acquiring a feedback coefficient corresponding to a signal of each connector connected with the single board;
and calculating the first dispersion according to all the acquired feedback coefficients.
5. The veneer abnormality detection method according to any one of claims 1 to 3, characterized in that said obtaining a first dispersion includes:
acquiring a preset dispersion as a first dispersion.
6. A veneer abnormality detection device includes:
an obtaining module, configured to obtain a feedback coefficient corresponding to a signal of each connector connected to the board;
the calculating module is used for calculating the dispersion of the feedback coefficient;
and the comparison module is used for comparing the first dispersion with the second dispersion and determining whether the target parameter value abnormality of the single board is caused by the contact problem of the connector corresponding to the single board according to the comparison result.
7. The apparatus for detecting an abnormality of a single board according to claim 6, wherein said apparatus for detecting an abnormality of a single board further includes a first processing module and a second processing module;
the first processing module is used for amplifying the high-frequency component of the signal, attenuating the low-frequency component and balancing the frequency spectrum of the signal;
and the second processing module is used for adjusting the feedback coefficient corresponding to the signal according to the eye diagram of the signal.
8. The single board abnormality detection apparatus according to any one of claims 6 to 7, further comprising a storage module configured to store the first dispersion and/or a preset dispersion, and store the second dispersion.
9. A terminal, comprising the single board abnormality detection apparatus according to any one of claims 6 to 8, further comprising a processor, a memory, and a communication bus;
the communication bus is used for realizing the connection communication between the processor and the memory and the connection communication between the processor and the terminal active heat dissipation device;
the processor is configured to execute one or more computer programs stored in the memory to implement the steps of the board anomaly detection method according to any one of claims 1 to 5.
10. A board anomaly detection system, comprising at least one board, at least one connector, and the terminal of claim 9; the single board is connected with at least one connector; when the target parameter value of the single board is abnormal, the terminal acquires a feedback coefficient corresponding to a signal of each connector connected with the single board, calculates a second dispersion of the feedback coefficient, compares the second dispersion with the acquired first dispersion, and determines whether the target parameter value of the single board is abnormal or not caused by a contact problem of the connector corresponding to the single board according to a comparison result.
11. A computer-readable storage medium, storing one or more computer programs, the one or more computer programs being executable by one or more processors to implement the steps of the board anomaly detection method according to any one of claims 1-5.
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| CN202010479159.1A CN113742143A (en) | 2020-05-29 | 2020-05-29 | Single board abnormity detection method, device, terminal, system and storage medium |
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| CN202010479159.1A CN113742143A (en) | 2020-05-29 | 2020-05-29 | Single board abnormity detection method, device, terminal, system and storage medium |
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