CN118012661A - Test alarm monitoring device, method and test machine - Google Patents
Test alarm monitoring device, method and test machine Download PDFInfo
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Abstract
The application relates to a test alarm monitoring device, a method and a tester, wherein the test alarm monitoring device comprises: the multi-alarm communication object manager is used for sending an alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter; the alarm storage unit index and message arbiter is used for receiving the alarm data sent by the communication module and storing the alarm data to the alarm storage unit; and the communication module is used for encoding the alarm inquiry command and then sending the encoded alarm inquiry command to the subtest device, receiving alarm data replied by the subtest device corresponding to the alarm inquiry command, decoding the alarm data and then sending the decoded alarm data to the alarm storage unit index and the message arbiter. The alarm data of a plurality of sub-test devices can be stored in the alarm storage unit of the test alarm monitoring device in advance, and the control module only needs to inquire the alarm data stored in the test alarm monitoring device and does not need to communicate with each sub-test device one by one to read the alarm data, so that the alarm update rate is effectively improved.
Description
Technical Field
The present application relates to the field of semiconductor testing technology, and in particular, to a test alarm monitoring apparatus, a test alarm monitoring method, and a tester.
Background
The automatic semiconductor test refers to that various parameter indexes of a tested device (Device Under Test, DUT) are detected by automatic test equipment (Automatic Test Equipment, ATE) and defective products are removed to control the factory quality of the semiconductor device. In the working process of the testing machine, two aspects of business operation and alarm reporting are required to be involved. The traditional warning monitoring mode of the testing machine is that the controller acquires the warning information of each testing board one by one, and has the defect of slow warning update rate.
Disclosure of Invention
Based on this, it is necessary to provide a test alarm monitoring apparatus, method and test machine capable of improving the alarm update rate in order to solve the above-mentioned problems.
A test alarm monitoring apparatus comprising:
the multi-alarm communication object manager is used for sending an alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter;
The alarm storage unit index and message arbiter is connected with the multi-alarm communication object manager and the communication module and is used for receiving alarm data sent by the communication module and storing the alarm data into the alarm storage unit;
The communication module is used for encoding the alarm inquiry command and then sending the encoded alarm inquiry command to a subtest device, receiving the alarm data replied by the subtest device corresponding to the alarm inquiry command, decoding the alarm data and then sending the decoded alarm data to the alarm storage unit index and message arbiter;
The communication module is also used for receiving the reading alarm command sent by the control module, decoding the reading alarm command to obtain operation information and sending the operation information to the alarm storage unit index and the message arbiter; the alarm storage unit index and the message arbiter are received, the alarm data acquired from the alarm storage unit are encoded according to the operation information, and the acquired alarm data are sent to the control module;
The alarm storage unit is connected with the alarm storage unit index and the message arbiter and is used for storing the alarm data.
In one embodiment, the communication module comprises an alarm communication interface module and a service communication interface module; the alarm communication interface module is connected with the control module, the subtest device, the alarm storage unit index and the message arbiter and is used for carrying out alarm communication; the service communication interface module is connected with the control module, the alarm storage unit index and the message arbiter and is used for carrying out service communication or alarm communication.
In one embodiment, the alarm communication interface module includes a main alarm communication interface, a sub alarm communication interface and an alarm communication processing unit, the alarm communication processing unit is connected with the alarm storage unit index and message arbitrator, the main alarm communication interface and the sub alarm communication interface, the main alarm communication interface is connected with the control module, and the sub alarm communication interface is connected with the sub test device.
In one embodiment, the alarm communication processing unit includes an alarm communication interface driver and an alarm communication codec, the alarm communication codec connects the alarm communication interface driver with the alarm storage unit index and the message arbiter, and the alarm communication interface driver connects the main alarm communication interface with the sub-alarm communication interface.
In one embodiment, the service communication interface module includes a service communication interface and a service communication processing unit, the service communication interface connects the control module and the service communication processing unit, and the service communication processing unit connects the alarm storage unit index and the message arbiter.
In one embodiment, the test alarm monitoring apparatus further comprises:
And the alarm processor is connected with the alarm storage unit, the alarm storage unit index and the message arbiter and used for classifying alarm data into the alarm storage unit and/or clearing the indexed alarm data in the alarm storage unit according to the operation information after the alarm storage unit index and the message arbiter index the alarm storage unit according to the operation information to obtain the alarm data.
A testing machine comprises a control module, a subtest device and the test alarm monitoring device.
In one embodiment, the number of the test alarm monitoring devices is more than two, and the number of the sub-test devices is more than two; the control module is connected with the communication module in each test alarm monitoring device; the communication module in each test alarm monitoring device is connected with the corresponding sub-test device.
In one embodiment, the test alarm monitoring device polls the corresponding sub-test device to obtain alarm data and stores the alarm data in the alarm storage unit in a classified manner by a read-back mode; and/or the control module polls each test alarm monitoring device to inquire alarm data in a read-back mode.
In one embodiment, the test alarm monitoring device receives the read alarm command of the control module, then caches the read alarm command, and back-pressure communicates with the control module when the cache exceeds a preset threshold value, so that the control module interrupts sending the read alarm command.
In one embodiment, the subtest device obtains pre-stored alarm data from a storage unit according to the received alarm inquiry command and returns the pre-stored alarm data to the test alarm monitoring device; or the subtest device acquires the alarm data monitored in real time according to the received alarm inquiry command and returns the alarm data to the test alarm monitoring device.
In one embodiment, the testing machine further comprises a display device, the control module is connected with the testing alarm monitoring device and the display device, and the control module controls the display device to display corresponding alarm conditions according to the received alarm data.
A test alarm monitoring method comprising:
The multi-alarm communication object manager sends an alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter;
The communication module encodes the alarm inquiry command and then sends the alarm inquiry command to a subtest device;
the communication module receives alarm data replied by the subtest device corresponding to the alarm inquiry command, decodes the alarm data and then sends the decoded alarm data to the alarm storage unit index and message arbiter;
The alarm storage unit index and message arbiter receives the alarm data sent by the communication module and stores the alarm data in an alarm storage unit in a classified manner;
The communication module receives the reading alarm command sent by the control module, decodes the reading alarm command to obtain operation information and sends the operation information to the alarm storage unit index and the message arbiter;
the communication module receives the alarm data acquired from the alarm storage unit according to the operation information by the alarm storage unit index and message arbiter, encodes the acquired alarm data and sends the encoded alarm data to the control module.
In one embodiment, the method further comprises:
When the service is idle, the control module provides an alarm inquiry interface through an interactive interface;
the control module receives a reading alarm command input corresponding to the alarm inquiry interface and sends the reading alarm command to the service communication interface module for alarm communication to acquire alarm data; the alarm data comprises historical alarm processing data, real-time synchronous processing data and serious alarm data.
The testing machine comprises an upper computer, a monitoring board, a communication board and a digital board, wherein the digital board comprises a main testing board card and a sub testing board card, the upper computer is connected with the monitoring board, the communication board is connected with the monitoring board and the main testing board card, and the main testing board card is connected with the sub testing board card; when the communication board is used as the test alarm monitoring device, the main test board card is used as the sub-test device; when the main test board card is used as the test alarm monitoring device, the sub-test board card is used as the sub-test device.
In one embodiment, the communication board comprises a first controller and a second controller, the first controller is connected with the monitoring board and the second controller, and the second controller is connected with the main test board card;
after the first controller is electrified, sending an instruction to the second controller for starting up self-checking;
After analyzing the instruction sent by the monitoring board, the first controller initiates a polling alarm to the second controller after obtaining polling alarm enabling;
And when the power-on self-test or polling alarm is performed, the second controller inquires alarm data from the main test board card, and the main test board card inquires alarm data from the sub test board card.
According to the test alarm monitoring device, the test alarm monitoring method and the test machine, the multi-alarm communication object manager sends the alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter, the communication module encodes the alarm inquiry command and then sends the alarm inquiry command to the subtest device, and receives alarm data replied by the subtest device corresponding to the alarm inquiry command, decodes the alarm data and then sends the alarm data to the alarm storage unit index and the message arbiter. The alarm storage unit index and message arbiter receives the alarm data sent by the communication module and stores the alarm data to the alarm storage unit. The communication module also receives the alarm reading command sent by the control module, decodes the alarm reading command to obtain operation information, sends the operation information to the alarm storage unit index and the message arbiter, receives the alarm data obtained from the alarm storage unit according to the operation information by the alarm storage unit index and the message arbiter, encodes the obtained alarm data and sends the encoded alarm data to the control module. The alarm data of a plurality of sub-test devices can be stored in the alarm storage unit of the test alarm monitoring device in advance, and the control module only needs to inquire the alarm data stored in the test alarm monitoring device and does not need to communicate with each sub-test device one by one to read the alarm data, so that the alarm update rate is effectively improved.
Drawings
FIG. 1 is a schematic diagram of a test alarm monitoring apparatus in one embodiment;
FIG. 2 is a schematic diagram of another embodiment of a test alarm monitoring apparatus;
FIG. 3 is a schematic diagram of the structure of a tester in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It is to be understood that in the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", etc., if the connected circuits, modules, units, etc., have electrical or data transfer between them.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Also, the term "and/or" as used in this specification includes any and all combinations of the associated listed items.
In one embodiment, as shown in fig. 1, a test alarm monitoring apparatus 100 is provided, which includes a multi-alarm communication object manager 110, an alarm storage unit index and message arbiter 120, a communication module 130, and an alarm storage unit 140, the alarm storage unit index and message arbiter 120 being connected to the multi-alarm communication object manager 110 and the communication module 130, the communication module 130 being connected to the sub-test apparatus 200 and the control module 300, the alarm storage unit 140 being connected to the alarm storage unit index and message arbiter 120 for storing alarm data. Wherein, the multi-alarm communication object manager 110 is configured to send an alarm query command to the communication module 130 through the alarm storage unit index and the message arbiter 120; the communication module 130 is configured to encode the alarm query command and send the encoded alarm query command to the subtest device 200, and receive alarm data replied by the subtest device 200 corresponding to the alarm query command, decode the alarm data and send the decoded alarm data to the alarm storage unit index and message arbiter 120. The alarm storage unit index and message arbiter 120 is configured to receive alarm data sent by the communication module 130, and store the alarm data to the alarm storage unit 140. The communication module 130 is further configured to receive the read alarm command sent by the control module 300, decode the read alarm command to obtain operation information, send the operation information to the alarm storage unit index and message arbiter 120, and receive the alarm data obtained from the alarm storage unit 140 according to the operation information by the alarm storage unit index and message arbiter 120, encode the obtained alarm data, and send the encoded alarm data to the control module 300.
Specifically, the communication module 130 may be connected to a plurality of subtest devices 200, and the multi-alarm communication object manager 110 may automatically and periodically send an alarm query command through the alarm storage unit index and message arbiter 120, and poll the corresponding subtest device 200 to obtain alarm data for classification and storage to the alarm storage unit 140 in a read-once-to-return manner, so as to avoid alarm communication congestion and ensure an alarm update rate. The alarm storage unit 140 is built by a wiring resource and comprises more than two storage blocks, wherein each storage block is used for storing alarm data of a corresponding type. In other embodiments, the alarm storage unit 140 may also be used as a storage block to store all types of alarm data, i.e. the alarm storage unit index and message arbiter 120 sends an alarm query command, and the corresponding subtest device 200 is polled to obtain the alarm data and directly store the alarm data in the alarm storage unit 140 in a read-and-return manner.
In addition, the alarm storage unit 140 may also store locally relevant alarm data of the test alarm monitoring apparatus, such as alarm data from internal alarm sources and hardware peripheral alarm sources. In one embodiment, the test alarm monitoring apparatus further includes an alarm processor 150, and the alarm processor 150 is connected to the alarm storage unit 140 and the alarm storage unit index and message arbiter 120 for classifying alarm data into the alarm storage unit. For example, the alarm processor 150 receives alarm data obtained by monitoring related alarm sources of the test alarm monitoring device through different lines, stores the alarm data transmitted by the same line into the same partition of the alarm storage unit 140, and realizes classified storage of the alarm data, for example, the alarm data is divided into three types of partition storage of historical alarm processing data, real-time synchronous processing data and serious alarm data, so that unified management and inquiry of the data are facilitated.
The subtest device 200 can also store the alarm data according to three types of historical alarm processing data, real-time synchronous processing data and serious alarm data. After receiving the alarm inquiry command, the communication module 130 encodes the alarm inquiry command and transmits the alarm inquiry command to the corresponding subtest device 200, receives alarm data returned by the subtest device 200, decodes the alarm data, and then transmits the decoded alarm data to the alarm storage unit index and message arbiter 120. The alarm storage unit index and the message arbiter 120 store the received alarm data into the alarm storage unit 140 according to three types of historical alarm processing data, real-time synchronous processing data and serious alarm data. In other embodiments, the subtest device 200 may acquire the alarm data monitored in real time and return the alarm data to the test alarm monitoring device according to the received alarm query command.
In addition, after the alarm storage unit index and message arbiter 120 acquires the alarm data returned by the subtest device 200, the alarm storage unit index and message arbiter may also send the alarm data to the alarm processor 150, and the alarm processor 150 may store the alarm data returned by the subtest device 200 to the alarm storage unit 140 in a classified manner, that is, the alarm processor 150 is responsible for the alarm data of the subtest device 200 at the same time, and the classified storage function of the alarm data of the local alarm monitoring device is tested.
The control module 300 may be a central processing unit, a microcontroller, a field programmable logic device, etc., and in this embodiment, the control module 300 is a microcontroller. The control module 300 may be connected to a plurality of test alarm monitoring apparatuses 100, and poll each test alarm monitoring apparatus 100 to query alarm data in a read-back manner, so as to avoid alarm communication congestion and ensure an alarm update rate. After receiving the read alarm command of the control module 300, the communication module 130 decodes the read alarm command, obtains the operation information, and sends the operation information to the alarm storage unit index and message arbiter 120. The alarm storage unit index and message arbiter 120 indexes the alarm storage unit 140 according to the operation information to obtain the corresponding type of alarm data, and the communication module 130 performs format encoding on the obtained alarm data and then feeds back to the control module 300. The control module 300 may print or send the received alarm data to a display device for display, or control the display device to display a corresponding alarm condition according to the received alarm data, so as to view. Only after receiving the alarm reading command of the control module 300, the alarm data query operation is started, so that compared with the case of actively reporting alarm data, the alarm information generated by a plurality of test alarm monitoring devices 100 is prevented from actively reporting the alarm information omission of a certain test alarm monitoring device 100, and the timeliness of the alarm protection of the whole machine is not affected.
It may be understood that the read alarm command sent by the control module 300 may be alarm data locally generated by the test alarm monitor device 100 and stored in the alarm storage unit 140, or alarm data uploaded to the test alarm monitor device 100 by the test sub-test device 200 and stored in the alarm storage unit 140. Further, the alarm processor 150 is further configured to clear the alarm data indexed in the alarm storage unit 140 according to the operation information after the alarm storage unit index and message arbiter 120 indexes the alarm storage unit 140 according to the operation information to obtain the alarm data, so as to store the alarm data newly added subsequently. Taking the case of querying the alarm data locally generated by the test alarm monitoring apparatus 100, by monitoring different alarm sources of the test alarm monitoring apparatus 100, the alarm data used as an identifier for whether an alarm is generated and stored in the alarm storage unit 140, and specifically, it may be indicated that no alarm is generated by "0" and that an alarm is generated by "1". For example, if a serious alarm occurs, the partition of the alarm storage unit 140 storing the serious alarm data stores "1", and after the control module 300 reads the serious alarm data in the alarm storage unit 140, it can know that the serious alarm occurs in the test alarm monitoring apparatus 100, and at the same time, clears the serious alarm data in the alarm storage unit 140. The alarm processor 150 continues to store the newly generated severe alarm data "0"/"1" in the alarm storage unit 140 before the control module 300 inquires the severe alarm data next time. The alarm data indexed in the alarm storage unit 140 is cleared by the alarm processor 150 so that the control module 300 knows whether a new alarm is present at the interval between two queries, facilitating locating the period of time in which the alarm is occurring.
The above-mentioned test alarm monitoring device 100 can store the alarm data of a plurality of sub-test devices 200 into the alarm storage unit 140 of the test alarm monitoring device 100 in advance, and the control module 300 only needs to query the alarm data stored in the test alarm monitoring device 100, and does not need to communicate with each sub-test device 200 one by one to read the alarm data, thereby effectively improving the alarm update rate. In addition, the subtest device 200 does not need to add a communication link connected with the control module 300, so that the communication cost is reduced.
In one embodiment, as shown in FIG. 2, the communication module 130 includes an alert communication interface module 132 and a traffic communication interface module 134; the alarm communication interface module 132 is connected with the control module 300, the subtest device 200 and the alarm storage unit index and message arbiter 120, and is used for performing alarm communication; the service communication interface module 134 connects the control module 300 with the alert storage unit index and message arbiter 120 for service communication or alert communication. The service communication interface module 134 may perform alarm communication when the service is idle after completing the service communication. Specifically, when the control module 300 determines that the current service is idle, an alarm query interface is provided through the interactive interface of the display device, a read alarm command is received and sent to the test alarm monitoring device 100, and alarm communication is performed through the service communication interface module 134, so that alarm query efficiency can be improved.
In this embodiment, by setting the alarm communication interface module 132 and the service communication interface module 134 to perform alarm communication and service communication respectively, it is ensured that the communication line for service operation is not occupied by the alarm information, and the influence of alarm reporting on service processing efficiency is avoided.
In one embodiment, the alert communication interface module 132 includes a sub alert communication interface 1322, a main alert communication interface 1324, and an alert communication processing unit 1326, the alert communication processing unit 1326 is connected to the alert storage unit index and message arbiter 120, the main alert communication interface 1324, and the sub alert communication interface 1322, the main alert communication interface 1324 is connected to the control module 300, and the sub alert communication interface 1322 is connected to the sub test device 200. The number of sub-alarm communication interfaces 1322 is consistent with that of the sub-test apparatus 200, for example, the alarm communication interface module 132 may include n sub-alarm communication interfaces 1322, which are respectively connected to the n sub-test apparatuses 200 in a one-to-one correspondence. The sub-alarm communication interface 1322 is configured to issue an alarm query command to the sub-test device 200, and receive alarm data returned by the sub-test device 200. The main alarm communication interface 1324 is configured to receive a read alarm command of the control module 300, and return corresponding alarm data to the control module 300.
Further, the alert communication processing unit 1326 includes an alert communication interface driver 262 and an alert communication codec 264, the alert communication codec 264 connects the alert communication interface driver 262 with the alert storage unit index and the message arbiter 120, and the alert communication interface driver 262 connects the main alert communication interface 1324 with the sub alert communication interface 1322. In other embodiments, the alert communication processing unit 1326 may also include only the alert communication interface driver 262 with codec functionality.
The alert communication codec 264 receives the alert query command output from the alert storage unit index and message arbiter 120, encodes the alert query command according to the agreed message format, and transmits the encoded alert query command to the alert communication interface driver 262, and the alert communication interface driver 262 transmits the encoded alert query command to the subtest device 200 through the subtest communication interface 1322 according to the agreed communication protocol, and receives the alert data returned from the subtest device 200 and transmits the alert data to the alert communication codec 264. The alarm communication codec 264 decodes the alarm data according to the agreed message format and then transmits the decoded alarm data to the alarm storage unit index and message arbiter 120, and the decoded alarm data is classified and stored in the alarm storage unit 140 through the alarm storage unit index and message arbiter 120.
In one embodiment, the traffic communication interface module 134 includes a traffic communication interface 1342 and a traffic communication processing unit 1344, the traffic communication interface 1342 connecting the control module 300 and the traffic communication processing unit 1344, the traffic communication processing unit 1344 connecting the alert storage unit index and message arbiter 120. Further, the service communication processing unit 1344 may include a service communication interface driver 442 and a service communication codec 444, the service communication codec 444 connecting the service communication interface driver 442 with the alert storage unit index and message arbiter 120, the service communication interface driver 442 connecting the service communication interface 1342. In other embodiments, the service communication processing unit 1344 may also include only the service communication interface driver 442 with codec functions.
The service communication interface 1342 is independent of the main alarm communication interface 1324, and the service communication interface 1342 is fast and is mainly used for receiving internal service instructions of external devices and internal other functional modules, and can be used for receiving and replying the read alarm instructions of the control module 300 only when the service is idle; the primary alert communication interface 1324 is slower in rate and is dedicated to receiving and replying to the read alert instructions of the control module 300.
The control module 300 sends the read alarm command to the alarm communication interface driver 262 and the service communication interface driver 442 through the main alarm communication interface 1324 and the service communication interface 1342, respectively, the alarm communication interface driver 262 and the service communication interface driver 442 receive the read alarm command according to the agreed communication protocol, forward the read alarm command to the alarm communication codec 264 and the service communication codec 444, decode the read alarm command according to the agreed message format by the alarm communication codec 264 and the service communication codec 444, obtain the operation information after decoding, and send the operation information to the alarm storage unit index and the message arbiter 120 for arbitration, where the operation information may include the storage unit address of a specific operation, the number of continuous read alarm storage unit addresses, the destination address, and other information. The alarm storage unit index and message arbiter 120 indexes the alarm storage unit 140 according to the operation information to obtain alarm data, and sends the alarm data to the alarm communication codec 264 and the service communication codec 444, the alarm communication codec 264 and the service communication codec 444 encode the alarm data according to the agreed message format and send the encoded alarm data to the alarm communication interface driver 262 and the service communication interface driver 442, and the alarm communication interface driver 262 and the service communication interface driver 442 respectively send the alarm data back to the control module 300 through the main alarm communication interface 1324 and the service communication interface 1342 according to the agreed communication protocol.
It will be appreciated that the particular types of alert communication interface module 132 and traffic communication interface module 134 are not unique, e.g., alert communication interface module 132 may include at least one of a UART interface and a GTX interface, and traffic communication interface module 134 includes a GTX interface. Correspondingly, the sub-alarm communication interface 1322 and the main alarm communication interface 1324 in the alarm communication interface module 132 may include at least one of UART interfaces and GTX interfaces, and the service communication interface 1342 in the service communication interface module 134 may be a GTX interface. The communication protocol used by the GTX interface for data transceiving comprises at least one of PCIE, TCP/IP, 10GBASE and AURORA. The communication protocol used by the alert communication interface driver 262 and the service communication interface driver 442 to receive the read alert command is related to the interface types of the alert communication interface module 132 and the service communication interface module 134, for example, the service communication interface 1342 in the service communication interface module 134 uses a GTX interface, and the service communication interface driver 442 may use PCIE communication protocol to receive the read alert command.
In one embodiment, a testing machine is provided that includes a control module, a subtest device, and the test alarm monitoring device described above. Further, the testing machine also comprises a display device, the control module is connected with the testing alarm monitoring device and the display device, and the control module controls the display device to display corresponding alarm conditions according to the received alarm data. Specifically, the control module may be a Central Processing Unit (CPU), a Microcontroller (MCU), a field programmable logic device (FPGA), etc., and the display device may employ a touch screen, etc. After receiving the alarm data, the control module can display corresponding colors and the like on the display device according to the type of the alarm data, and can also display the position where the alarm occurs so as to know the alarm type and perform alarm positioning.
Further, the number of the test alarm monitoring devices is more than two, and the number of the sub-test devices is more than two; the control module is connected with the communication module in each test alarm monitoring device; the communication module in each test alarm monitoring device is connected with the corresponding sub-test device. The test alarm monitoring device polls the corresponding sub-test device to acquire alarm data and stores the alarm data in the alarm storage unit in a one-time reading mode, the condition that a plurality of sub-test devices are queried simultaneously does not exist, a new instruction cannot be sent before the test alarm monitoring device does not receive a reply, and communication congestion is avoided. The subtest device acquires pre-stored alarm data from the storage unit according to the received alarm inquiry command and returns the pre-stored alarm data to the test alarm monitoring device; or the subtest device acquires the alarm data monitored in real time according to the received alarm inquiry command and returns the alarm data to the test alarm monitoring device. Similarly, the control module polls each test alarm monitoring device to inquire alarm data in a read-back mode, so that communication congestion is avoided.
In addition, the test alarm monitoring device receives the read alarm command of the control module, then carries out caching, and carries out back pressure communication with the control module when the caching exceeds a preset threshold value, so that the control module stops sending the read alarm command, and communication congestion is further prevented. The read alarm command of the control module may be an alarm storage unit index and a message arbiter cached in the test alarm monitoring device, or an alarm communication interface driver and a service communication interface driver cached in the communication module. In addition, the control unit can be independently adopted to connect with the communication module to buffer the reading alarm command. The preset threshold value can be 70%, 90% of the total capacity of the cache, and the like, and can be specifically set according to actual needs. The test alarm monitoring device can release back pressure when the buffer memory is smaller than a preset threshold value, and the control module can continuously send a read alarm command.
It can be understood that the manner in which the test machine performs alarm monitoring is explained in detail in the above test alarm monitoring apparatus, and will not be described in detail herein.
In one embodiment, there is also provided a test alarm monitoring method, including:
The multi-alarm communication object manager sends an alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter;
the communication module encodes the alarm inquiry command and then sends the alarm inquiry command to the subtest device;
the communication module receives alarm data replied by the subtest device corresponding to the alarm inquiry command, decodes the alarm data and then sends the decoded alarm data to the alarm storage unit index and the message arbitrator;
The alarm storage unit index and message arbiter receives the alarm data sent by the communication module and stores the alarm data in the alarm storage unit in a classified manner;
the communication module receives the reading alarm command sent by the control module, decodes the reading alarm command, obtains operation information and sends the operation information to the alarm storage unit index and the message arbiter;
The communication module receives the index of the alarm storage unit and the alarm data acquired from the alarm storage unit according to the operation information by the message arbiter, encodes the acquired alarm data and sends the encoded alarm data to the control module.
In one embodiment, the method further comprises:
when the control module is idle, an alarm inquiry interface is provided through the interactive interface;
the control module receives a reading alarm command input by a corresponding alarm inquiry interface, and sends the reading alarm command to the service communication interface module for alarm communication to acquire alarm data; the alarm data comprises historical alarm processing data, real-time synchronous processing data and serious alarm data.
It can be understood that the specific embodiments of the test alarm monitoring method are explained in detail in the above-mentioned test machine and test alarm monitoring device, and are not described herein again.
In one embodiment, as shown in fig. 3, there is further provided a testing machine, including a host computer 10, a monitor board 20, a communication board HTI, and a digital board HD, where the digital board HD includes a main test board BE and a sub test board FE, the host computer 10 is connected to the monitor board 20, the communication board HTI is connected to the monitor board 20 and the main test board BE, and the main test board BE is connected to the sub test board FE; when the communication board HTI is used as the test alarm monitoring device, the main test board BE is used as the sub-test device; when the main test board card BE is used as the test alarm monitoring device, the sub-test board card FE is used as the sub-test device.
The host computer 10 may include the control module and the display device. The communication board HTI is connected to 8 digital boards HD, and the main test board BE in each digital board HD is connected to 4 sub-test boards FE. In addition, the upper computer 10 may also be directly connected to the communication board HTI. The upper computer 10, the monitoring board 20, the communication board HTI, the main test board BE and the sub test board FE are connected through an alarm channel to carry out alarm communication; the upper computer 10, the communication board HTI, the main test board BE and the sub test board FE are also connected through service channels, so as to perform service communication and alarm communication. For example, in the alarm channel, the monitor board 20 is connected to the communication board HTI through a UART interface, the communication board HTI is connected to the main test board BE through a UART interface, the main test board BE is connected to the sub test board FE through a UART interface, and the UART interface may specifically BE an RS485 interface. In the service channel, the upper computer 10 is connected with the communication board HTI through a GTX interface, the communication board HTI is connected with the main test board BE through a GTX interface, and the main test board BE is connected with the sub test board FE through a GTX interface.
In one embodiment, the communication board HTI includes a first controller 31 and a second controller 32, the first controller 31 connecting the monitor board 20 and the second controller 32, the second controller 32 connecting the main test board BE. In addition, the communication board HTI may further include a third controller 33, where the third controller 33 connects the host computer 10 and the second controller 32. In this embodiment, the first controller 31 employs an MCU, the second controller 32 employs an FPGA, and the third controller 33 employs a CPU. The first controller 31 is connected with the monitoring board 20 through an RS485 interface, is connected with the second controller 32 through an RS485 interface, the third controller 33 is connected with the upper computer 10 through a TCP/IP interface, is connected with the second controller 32 through a PCIE interface, and the second controller 32 is connected with the main test board BE through an RS485 interface and a GTX interface.
After the first controller 31 is powered on, sending an instruction to the second controller 32 for starting up self-checking; after the first controller 31 analyzes the instruction sent by the monitor board 20 to obtain the polling alarm enabling, the polling alarm is initiated to the second controller 32; at the time of power-on self-test or polling alarm, the second controller 32 inquires the alarm data from the main test board BE, and the main test board BE inquires the alarm data from the sub test board FE.
Specifically, after the first controller 31 is powered on, a query and alarm instruction is actively initiated to the second controller 32 through the UART interface to perform power-on self-test; after the start-up self-test is finished, the monitoring board 20 can also initiate an instruction to the first controller 31 through the UART interface, and after the first controller 31 analyzes the instruction from the monitoring board 20 to obtain the polling alarm enabling, the first controller initiates a polling alarm to the second controller 32. Whether polling alarm or starting self-checking, the second controller 32 decodes according to the agreed message format to obtain information such as a destination address, distributes the instruction to the FPGA in the main test board BE, decodes according to the agreed message format to obtain information such as the destination address, distributes the instruction to the FPGA in the sub test board FE, and queries alarm data through the alarm channel.
When the upper soft layer of the upper computer 10 judges that the current service is idle, that is, when the user inputs a service communication instruction through the interactive interface of the upper computer 10 to complete execution or the service process is not started, the upper computer 10 provides an operable interactive interface to provide the user with an input query and alarm command, the query command is sent to the third controller 33 in the communication board HTI through a TCP/IP interface, the third controller 33 communicates with the second controller 32 through a PCIE interface, the second controller 32 communicates with the FPGA in the main test board BE through a GTX interface, the FPGA in the main test board BE communicates with the FPGA in the sub test board FE through multiple GTX interfaces respectively, and alarm data query is performed through a service channel.
The testing machine uses the completely separated communication channels to carry out service operation and alarm reporting on hardware, and a user can actively inquire certain serious alarms on a service interface when the service is idle, and can also position the alarms by using the service channels after the alarm channels are blocked. In addition, the communication bus special for alarm operation in the alarm channel is single master, multiple slave and one reading back, so that the communication robustness of alarm information transmission is improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (16)
1. A test alarm monitoring apparatus, comprising:
the multi-alarm communication object manager is used for sending an alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter;
The alarm storage unit index and message arbiter is connected with the multi-alarm communication object manager and the communication module and is used for receiving alarm data sent by the communication module and storing the alarm data into the alarm storage unit;
The communication module is used for encoding the alarm inquiry command and then sending the encoded alarm inquiry command to a subtest device, receiving the alarm data replied by the subtest device corresponding to the alarm inquiry command, decoding the alarm data and then sending the decoded alarm data to the alarm storage unit index and message arbiter;
The communication module is also used for receiving the reading alarm command sent by the control module, decoding the reading alarm command to obtain operation information and sending the operation information to the alarm storage unit index and the message arbiter; the alarm storage unit index and the message arbiter are received, the alarm data acquired from the alarm storage unit are encoded according to the operation information, and the acquired alarm data are sent to the control module;
The alarm storage unit is connected with the alarm storage unit index and the message arbiter and is used for storing the alarm data.
2. The test alert monitoring device of claim 1, wherein the communication module includes an alert communication interface module and a traffic communication interface module; the alarm communication interface module is connected with the control module, the subtest device, the alarm storage unit index and the message arbiter and is used for carrying out alarm communication; the service communication interface module is connected with the control module, the alarm storage unit index and the message arbiter and is used for carrying out service communication or alarm communication.
3. The test alarm monitoring device of claim 2, wherein the alarm communication interface module comprises a main alarm communication interface, a sub alarm communication interface and an alarm communication processing unit, the alarm communication processing unit is connected with the alarm storage unit index and message arbiter, the main alarm communication interface and the sub alarm communication interface, the main alarm communication interface is connected with the control module, and the sub alarm communication interface is connected with the sub test device.
4. The test alert monitoring apparatus of claim 3, wherein the alert communication processing unit includes an alert communication interface driver and an alert communication codec, the alert communication codec connecting the alert communication interface driver and the alert storage unit index and message arbiter, the alert communication interface driver connecting the main alert communication interface and the sub alert communication interface.
5. The test alarm monitoring device of claim 2, wherein the service communication interface module comprises a service communication interface and a service communication processing unit, the service communication interface connecting the control module and the service communication processing unit, the service communication processing unit connecting the alarm storage unit index and the message arbiter.
6. The test alert monitoring apparatus of any one of claims 1-5, further comprising:
And the alarm processor is connected with the alarm storage unit, the alarm storage unit index and the message arbiter and used for classifying alarm data into the alarm storage unit and/or clearing the indexed alarm data in the alarm storage unit according to the operation information after the alarm storage unit index and the message arbiter index the alarm storage unit according to the operation information to obtain the alarm data.
7. A test machine comprising a control module, a subtest device and a test alarm monitoring device according to any one of claims 1 to 6.
8. The test machine of claim 7, wherein the number of test alarm monitoring devices is more than two and the number of sub-test devices is more than two; the control module is connected with the communication module in each test alarm monitoring device; the communication module in each test alarm monitoring device is connected with the corresponding sub-test device.
9. The testing machine according to claim 8, wherein the test alarm monitoring device polls the corresponding sub-test device to obtain alarm data and store the alarm data in the alarm storage unit in a read-back manner; and/or the control module polls each test alarm monitoring device to inquire alarm data in a read-back mode.
10. The test machine of claim 8, wherein the test alarm monitor device buffers the control module after receiving the read alarm command and back-pressure communicates with the control module when the buffer exceeds a predetermined threshold, such that the control module interrupts sending the read alarm command.
11. The test machine according to claim 7, wherein the subtest device acquires pre-stored alarm data from a storage unit according to the received alarm inquiry command and returns the pre-stored alarm data to the test alarm monitoring device; or the subtest device acquires the alarm data monitored in real time according to the received alarm inquiry command and returns the alarm data to the test alarm monitoring device.
12. The machine of any one of claims 7-11, further comprising a display device, wherein the control module is coupled to the test alarm monitor device and the display device, and wherein the control module controls the display device to display a corresponding alarm condition based on the received alarm data.
13. A test alarm monitoring method, comprising:
The multi-alarm communication object manager sends an alarm inquiry command to the communication module through the alarm storage unit index and the message arbiter;
The communication module encodes the alarm inquiry command and then sends the alarm inquiry command to a subtest device;
the communication module receives alarm data replied by the subtest device corresponding to the alarm inquiry command, decodes the alarm data and then sends the decoded alarm data to the alarm storage unit index and message arbiter;
The alarm storage unit index and message arbiter receives the alarm data sent by the communication module and stores the alarm data in an alarm storage unit in a classified manner;
The communication module receives the reading alarm command sent by the control module, decodes the reading alarm command to obtain operation information and sends the operation information to the alarm storage unit index and the message arbiter;
the communication module receives the alarm data acquired from the alarm storage unit according to the operation information by the alarm storage unit index and message arbiter, encodes the acquired alarm data and sends the encoded alarm data to the control module.
14. The method as recited in claim 13, further comprising:
When the service is idle, the control module provides an alarm inquiry interface through an interactive interface;
the control module receives a reading alarm command input corresponding to the alarm inquiry interface and sends the reading alarm command to the service communication interface module for alarm communication to acquire alarm data; the alarm data comprises historical alarm processing data, real-time synchronous processing data and serious alarm data.
15. The testing machine is characterized by comprising an upper computer, a monitoring board, a communication board and a digital board, wherein the digital board comprises a main testing board card and a sub testing board card, the upper computer is connected with the monitoring board, the communication board is connected with the monitoring board and the main testing board card, and the main testing board card is connected with the sub testing board card; when the communication board is used as the test alarm monitoring device of any one of claims 1-6, the main test board card is used as the sub-test device of any one of claims 1-6; when the main test board card is used as the test alarm monitoring device of any one of claims 1-6, the sub-test board card is used as the sub-test device of any one of claims 1-6.
16. The test machine of claim 15, wherein the communication board comprises a first controller and a second controller, the first controller connecting the monitor board and the second controller, the second controller connecting the main test board card;
after the first controller is electrified, sending an instruction to the second controller for starting up self-checking;
After analyzing the instruction sent by the monitoring board, the first controller initiates a polling alarm to the second controller after obtaining polling alarm enabling;
And when the power-on self-test or polling alarm is performed, the second controller inquires alarm data from the main test board card, and the main test board card inquires alarm data from the sub test board card.
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