CN111274071A - A USB device plugging and unplugging detection method, device and related equipment - Google Patents

Abstract

The present application discloses a USB device plug-in detection method, including determining a target USB according to a received detection command; sending a Disable command to the target USB to obtain removal information, judging whether the USB information in the removal information is the same as the standard information of the target USB, and if so, outputting detection pass information; sending an Enable command to the target USB to obtain identification information, judging whether the USB information in the identification information is the same as the standard information of the target USB, and if so, outputting detection pass information; the USB device plug-in detection method not only improves the plug-in detection efficiency of the USB device, but also effectively ensures the accuracy of the detection result. The present application also discloses a USB device plug-in detection device, a server, and a computer-readable storage medium, all of which have the above-mentioned beneficial effects.

Description

A USB device plugging and unplugging detection method, device and related equipment

technical field

The present application relates to the field of server testing, in particular to a method for detecting plugging and unplugging of USB devices, and also to a device for detecting plugging and unplugging of USB devices, a server, and a computer-readable storage medium.

Background technique

USB (Universal Serial Bus, Universal Serial Bus) is an external bus standard used to standardize the connection and communication between computers and external devices, and is an interface technology used in the field of PC and Server. In the server test, the peripheral function has always been a function that customers are more concerned about, because in daily use, the USB port will be connected to external hard disks, mice, USB flash drives and other devices, and the frequency of use is high. Therefore, the stability of USB peripheral identification is particularly important. .

The identification of the USB device itself will involve hardware design, BIOS and OS, and requires the cooperation of each module to complete the fast driver loading and device identification to meet the customer's non-interval use. However, due to the current domestic replacement, both software and hardware have been implemented. Independent research and development, the compatibility between modules is relatively poor. At present, the verification of device identification under the OS has been incorporated into the USB device hot-plug test. By manually plugging and unplugging hundreds of times to check whether the mouse or keyboard itself can be used, it does not check the system's recognition of the device, not only the efficiency low, and the accuracy of the detection results is very low.

Therefore, how to improve the plug-in detection efficiency of the USB device and improve the accuracy of the detection result is an urgent problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of this application is to provide a USB device plugging detection method, which not only improves the plugging detection efficiency of the USB device, but also effectively ensures the accuracy of the detection results; another purpose of the application is To provide a USB device plugging and unplugging detection device, a server and a computer-readable storage medium, which also have the above beneficial effects.

In order to solve the above-mentioned technical problems, the present application provides a method for detecting plugging and unplugging of a USB device. The method for detecting plugging and unplugging of a USB device includes:

Determine the target USB according to the received detection command;

Send the Disable command to the target USB to obtain removal information, and determine whether the USB information in the removal information is the same as the standard information of the target USB, and if so, output the detection pass information;

Sending an Enable command to the target USB to obtain identification information, and judging whether the USB information in the identification information is the same as the standard information of the target USB, and if so, output detection pass information.

Preferably, the determining of the target USB according to the received detection command includes:

Perform command parsing on the detection command to obtain a USB port number;

The target USB is determined according to the USB port number.

Preferably, the USB device plugging and unplugging detection method further includes:

The USB scan is performed through the preset information collection instruction to obtain the standard information of each USB.

Preferably, the USB standard information is a USB bus number and/or a USB device number.

Preferably, the USB scan is performed through a preset information collection instruction to obtain the USB bus number, including:

Perform USB scanning through the lsusb command to obtain the USB bus number of each USB.

Preferably, performing USB scanning through a preset information collection instruction to obtain the USB device number, including:

Perform USB scanning through the dmesg command to obtain the USB device numbers of the USBs.

Preferably, the USB device plugging and unplugging detection method further includes:

When the plug-in detection fails, an alarm command is sent to the alarm device.

In order to solve the above technical problems, the present application also provides a USB device plug-in detection device, the USB device plug-in detection device includes:

a port determination module, used for determining the target USB according to the received detection command;

The Disable detection module is used to send the Disable command to the target USB to obtain removal information, and judge whether the USB information in the removal information is the same as the standard information of the target USB, and if not, output the detection pass information;

The Enable detection module is configured to send an Enable command to the target USB to obtain identification information, and determine whether the USB information in the identification information is the same as the standard information of the target USB, and if so, output detection pass information.

In order to solve the above technical problems, the present application also provides a server, which includes:

memory for storing computer programs;

The processor is configured to implement the steps of any one of the above-mentioned USB device plugging and unplugging detection methods when executing the computer program.

In order to solve the above technical problems, the present application also provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, any one of the above-mentioned USB devices can be plugged and unplugged. The steps of the detection method.

A USB device plugging detection method provided by the present application includes determining a target USB according to a received detection command; sending a Disable command to the target USB to obtain removal information, and judging whether the USB information in the removal information matches the The standard information of the target USB is the same, if yes, output the detection pass information; send the Enable command to the target USB to obtain identification information, and determine whether the USB information in the identification information is the same as the standard information of the target USB, if so , the detection pass information is output.

It can be seen that the USB device plugging and unplugging detection method provided by this application realizes the simulation of USB device plugging and unplugging by sending the Enable command and the Disable command to the USB, that is, after Disable USB, the USB device will not be recognized, and after EnableUSB, the USB device will be Correct identification, and then compare the USB information during the plugging and unplugging process with the standard information, and determine whether the plugging and unplugging detection passes through the comparison results. The manual operation mode greatly improves the plugging detection efficiency and effectively ensures the accuracy of the detection results.

The device for detecting plugging and unplugging of a USB device, the server and the computer-readable storage medium provided by the present application all have the above beneficial effects, which will not be repeated here.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only It is an embodiment of the present application. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without any creative effort.

1 is a schematic flowchart of a method for detecting a USB device plugging and unplugging provided by the application;

2 is a schematic structural diagram of a USB device plugging and unplugging detection device provided by the application;

FIG. 3 is a schematic structural diagram of a server provided by this application.

Detailed ways

The core of this application is to provide a USB device plugging detection method, which not only improves the plugging detection efficiency of USB devices, but also effectively ensures the accuracy of the detection results; another core of the application is To provide a USB device plugging and unplugging detection device, a server and a computer-readable storage medium, which also have the above beneficial effects.

In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

In the prior art, the plugging and unplugging detection of the USB interface is implemented manually without checking the recognition status of the device by the system, which is not only inefficient, but also has low accuracy of the detection result. Therefore, in order to solve the technical problem, the present application provides a USB device plugging detection method. The USB device plugging detection method realizes the plugging detection of the USB device through an automated script, which not only improves the plugging detection of the USB device efficiency, and effectively ensure the accuracy of the test results.

Please refer to FIG. 1. FIG. 1 is a schematic flowchart of a method for detecting plugging and unplugging of a USB device provided by the present application. The method for detecting plugging and unplugging of a USB device may include:

S101: Determine the target USB according to the received detection command;

The purpose of this step is to realize the confirmation of the target USB, and the target USB is the USB device that needs to be plugged and detected. Specifically, when it is necessary to perform USB device plugging and unplugging detection on the server, the user can initiate a detection command based on the corresponding client, and the detection command includes the relevant information of the target USB. Therefore, the target USB can be determined according to the information, and then the target USB can be determined. Realize the plugging and unplugging detection of the target USB.

It can be understood that the above-mentioned method of initiating a detection command based on the client is only an implementation method provided by the present application, and is not unique, and it can also be an implementation method of automatically triggering a detection command based on a preset response condition, such as timing detection, etc. , which is not limited in this application.

Preferably, determining the target USB according to the received detection command may include performing command analysis on the detection command to obtain the USB port number; and determining the target USB according to the USB port number.

This preferred embodiment provides a more specific method for determining the target USB, that is, implementation based on the USB port number. Specifically, the USB port number is unique. Therefore, when a detection command is initiated, the port number of the target USB can be added to the detection command. Further, when the host controller of the server receives the detection command, the information can be used. The parsing technology parses it, obtains the USB port number, and then realizes the determination of the target USB. Wherein, the command parsing technology may be referred to in the prior art, and details are not described herein again in this application.

S102: Send a Disable command to the target USB to obtain removal information, and determine whether the USB information in the removal information is the same as the standard information of the target USB, and if so, output detection pass information;

The purpose of this step is to realize the unplug detection of the USB device. Specifically, Disable means to disable. In principle, after the USB is disabled, the USB external device will not be recognized. Therefore, the USB device can be unplugged by sending the Disable command to the target USB. The simulation of the test; further, after sending the Disable command to the target USB, the corresponding removal information will be obtained, and the removal information includes the relevant information of the removed USB, that is, the above-mentioned USB information. It is compared with the standard information of the target USB. If the two are consistent, it means that the target USB has been removed, the unplug operation has been realized, and it has been correctly detected, which means that the unplug detection of the target USB has passed. At this time, the output The information can be detected by passing.

Among them, the standard information of the target USB is the pre-statistical information about the target USB before the plug-in detection, including but not limited to information such as port number, bus number, device number, etc., and further, store these information uniformly into a fixed file , as the control standard for each plugging detection, it can be called directly when using.

S103 : Send an Enable command to the target USB to obtain identification information, and determine whether the USB information in the identification information is the same as the standard information of the target USB, and if so, output detection pass information.

The purpose of this step is to realize the plug-in detection of the USB device. Specifically, Enable indicates that it is available. In principle, after the USB is enabled, the external device of the USB will be correctly identified. Therefore, the USB device can be plugged in by sending the Enable command to the target USB. The simulation of the test; further, after sending the Enable command to the target USB, the corresponding identification information will be obtained, and the identification information includes the relevant information of the identified USB, that is, the above-mentioned USB information, so that it can be associated with the target USB. Compare the standard information of the USB. If the two are consistent, it means that the target USB has been identified, the plug-in operation has been realized, and it has been correctly detected, which means that the plug-in detection of the target USB has passed. At this time, the output detection pass information is Can.

Wherein, the standard information of the target USB is the standard information of the target USB in the above-mentioned unplug detection process, which can be directly called in the detection process, which will not be repeated in this application.

It can be understood that the execution order of the above S102 and S103 is not unique, and the execution of S103 may be performed first and then the execution of S102 will not affect the implementation of the technical solution.

Preferably, the USB device plugging and unplugging detection method may further include: performing USB scanning through a preset information collection instruction to obtain standard information of each USB.

This preferred embodiment provides a more specific method for obtaining USB standard information, that is, it is realized by a preset information collection instruction, and before the plug-in detection is performed, the server can be scanned for USB by using the preset information collection instruction, so as to realize information collection and obtain Standard information for each USB. Wherein, the preset information collection instruction may adopt any type of instruction in the prior art, and its specific type does not affect the implementation of the technical solution.

Preferably, the above-mentioned USB standard information may be a USB bus number and/or a USB device number.

Preferably, performing USB scanning through a preset information collection instruction to obtain the USB bus number may include: performing USB scanning through the lsusb command to obtain the USB bus number of each USB.

Preferably, performing USB scanning through a preset information collection instruction to obtain the USB device number may include: performing USB scanning through a dmesg command to obtain the USB device number of each USB.

The above preferred embodiment provides standard information of a specific type of USB, that is, a USB bus number and/or a USB device number, and specifically introduces how to obtain the two. Among them, for the USB bus number, the collection can be realized through the lsusb command, and for the USB device number, the collection can be realized through the dmesg command. Of course, the above command type is only an implementation manner provided by this application, and is not unique, and may also be other types of collection commands, which are not limited in this application. In addition, the lsusb command and the lsusb command can also be used to realize the collection of removal information and identification information in the above-mentioned plugging detection process.

Preferably, the USB device plugging detection method may further include: when the plugging detection fails, sending an alarm instruction to the alarming device.

This preferred embodiment aims to realize a detection failure alarm, that is, when the USB information in the removal information obtained during the unplug detection process is different from the standard information of the target USB, it indicates that the unplug detection fails, or when the USB information obtained during the plug detection process is different from the standard information of the target USB When the USB information in the identification information is different from the standard information of the target USB, it means that the plug-in detection fails. When any of the above two situations occurs, it means that the plug-in detection of the target USB fails. At this time, the output detection Failure command, and send an alarm command to the alarm device to realize detection failure alarm, so as to notify the technician to repair or replace the faulty USB device.

The USB device plugging and unplugging detection method provided by the embodiment of the present application realizes the simulation of plugging and unplugging the USB device by sending the Enable command and the Disable command to the USB. That is, after the USB is Disabled, the USB device will not be recognized, and after the EnableUSB Correct identification, and then compare the USB information during the plugging and unplugging process with the standard information, and determine whether the plugging and unplugging detection passes through the comparison results. The manual operation mode greatly improves the plugging detection efficiency and effectively ensures the accuracy of the detection results.

On the basis of the above embodiments, the present application provides a more specific USB device plugging and unplugging detection method, and its specific implementation process is as follows:

Step 1. Connect an external mouse or keyboard to the USB port of the server, and boot into the OS;

Step 2. Collect detailed information of the current system USB device through the dmesg command;

Step 3. Collect the detailed information of the USB connected to the peripheral device of the current system through the lsusb command;

Step 4: Obtain two key parameters (standard information) of usb bus number (USB bus number) and devicenumber (USB device number) based on step 2 and step 3 respectively, and store them as fixed documents;

Step 5. Taking the USB1 device as an example, use the following commands to realize the power supply of Disable USB1 in the system:

#echo suspend>/sys/bus/usb/devices/usb1/power/level;

Step 6. Use the command #lsusb|grep usb1 to check whether USB1 has been removed, and compare the obtained information (removal information) with the standard information of step 4. If the two are consistent, check pass, otherwise fail;

Step 7. Taking the USB1 device as an example, use the following commands to enable the power supply of the Enable USB1 in the system:

#echo on>/sys/bus/usb/devices/usb1/power/level;

Step 8. Use the command #lsusb|grep usb1 to check whether USB1 is correctly identified, and compare the obtained information (identification information) with the standard information in Step 4. If the two are consistent, check pass, otherwise fail.

So far, the plug-in detection of the USB device in the server is realized.

It can be seen that the USB device plugging and unplugging detection method provided by the embodiment of the present application realizes the simulation of USB equipment plugging and unplugging by sending the Enable command and the Disable command to the USB, that is, after the USB is Disabled, the USB device will not be recognized. It will be correctly identified, and then compare the USB information during the plugging and unplugging process with the standard information, and determine whether the plugging and unplugging detection passes through the comparison results. Compared with the manual operation method, this implementation method greatly improves the plugging detection efficiency, and effectively ensures the accuracy of the detection results.

In order to solve the above problem, please refer to FIG. 2, which is a schematic structural diagram of a USB device plugging and unplugging detection device provided by the present application. The USB device plugging and unplugging detection device may include:

The port determination module 100 is used for determining the target USB according to the received detection command;

The Disable detection module 200 is used to send the Disable command to the target USB to obtain the removal information, and judge whether the USB information in the removal information is the same as the standard information of the target USB, and if so, then output the detection pass information;

The Enable detection module 300 is configured to send an Enable command to the target USB to obtain identification information, and to determine whether the USB information in the identification information is the same as the standard information of the target USB, and if so, output detection pass information.

It can be seen that the USB device plugging and unplugging detection device provided by the embodiment of the present application realizes the simulation of plugging and unplugging the USB device by sending the Enable command and the Disable command to the USB, that is, after Disable USB, the USB device will not be recognized, and after EnableUSB, the USB device It will be correctly identified, and then compare the USB information during the plugging and unplugging process with the standard information, and determine whether the plugging and unplugging detection passes through the comparison results. Compared with the manual operation method, this implementation method greatly improves the plugging detection efficiency, and effectively ensures the accuracy of the detection results.

As a preferred embodiment, the above-mentioned port determination module 100 may be specifically configured to perform command analysis on the detection command to obtain the USB port number; and determine the target USB according to the USB port number.

As a preferred embodiment, the device for detecting plugging and unplugging of USB devices may further include a standard information collection module for performing USB scanning through a preset information collection instruction to obtain standard information of each USB.

As a preferred embodiment, the above-mentioned USB standard information is a USB bus number and/or a USB device number.

As a preferred embodiment, the above-mentioned standard information collection module can be specifically configured to perform USB scanning through the lsusb command to obtain the USB bus number of each USB.

As a preferred embodiment, the above-mentioned standard information collection module may be specifically configured to perform USB scanning through the dmesg command to obtain the USB device number of each USB.

As a preferred embodiment, the device for detecting plugging and unplugging of a USB device may further include an alarm module, configured to send an alarm instruction to the alarming device when the plugging and unplugging detection fails.

For the introduction of the apparatus provided in the present application, please refer to the above method embodiments, which will not be repeated in this application.

In order to solve the above problems, please refer to FIG. 3 , which is a schematic structural diagram of a server provided by the application. The server may include:

a memory 10 for storing computer programs;

When the processor 20 is configured to execute the computer program, the steps of any one of the above-mentioned USB device plugging and unplugging detection methods can be implemented.

For the introduction of the equipment provided in the present application, please refer to the above method embodiments, which are not repeated in this application.

In order to solve the above problems, the present application also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, any one of the above-mentioned USB device plugging and unplugging detection methods can be implemented. A step of.

The computer-readable storage medium may include: a USB flash drive, a removable hard disk, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, etc., which can store program codes. medium.

For the introduction of the computer-readable storage medium provided in the present application, please refer to the above method embodiments, which will not be repeated in this application.

The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the various embodiments can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant part can be referred to the description of the method.

Professionals may further realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two, in order to clearly illustrate the possibilities of hardware and software. Interchangeability, the above description has generally described the components and steps of each example in terms of functionality. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.

The steps of a method or algorithm described in conjunction with the embodiments disclosed herein may be directly implemented in hardware, a software module executed by a processor, or a combination of the two. A software module can be placed in random access memory (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other in the technical field. in any other known form of storage medium.

The method, device, server, and computer-readable storage medium for USB device plugging and unplugging detection provided by the present application have been described in detail above. Specific examples are used herein to illustrate the principles and implementations of the present application, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present application, several improvements and modifications can also be made to the present application, and these improvements and modifications also fall into the elements of the protection scope of the claims of the present application.

Claims (10)

1. A USB device plugging detection method is characterized by comprising the following steps:

determining a target USB according to the received detection command;

sending a Disable instruction to the target USB to obtain removal information, judging whether USB information in the removal information is the same as standard information of the target USB, and if so, outputting detection passing information;

and sending an Enable instruction to the target USB to obtain identification information, judging whether USB information in the identification information is the same as standard information of the target USB, and if so, outputting detection passing information.

2. The method for detecting the plugging and unplugging of the USB device according to claim 1, wherein the determining the target USB according to the received detection command comprises:

carrying out command analysis on the detection command to obtain a USB port number;

and determining the target USB according to the USB port number.

3. The method for detecting the plugging/unplugging of the USB device according to claim 1, further comprising:

and carrying out USB scanning through a preset information acquisition instruction to obtain standard information of each USB.

4. The method for detecting the plugging and unplugging of the USB device according to claim 3, wherein the USB standard information is a USB bus number and/or a USB device number.

5. The method for detecting the plugging and unplugging of the USB device according to claim 4, wherein the obtaining the USB bus number by performing USB scanning through a preset information acquisition command comprises:

and carrying out USB scanning through an lsusb command to obtain the USB bus number of each USB.

6. The method for detecting the plugging and unplugging of the USB device according to claim 4, wherein the USB scanning is performed through a preset information acquisition instruction to obtain the USB device number, and the method comprises the following steps:

and carrying out USB scanning through a dmesg command to obtain the USB equipment number of each USB.

7. The method for detecting the plugging/unplugging of the USB device according to any one of claims 1 to 6, further comprising:

and when the plugging detection fails, sending an alarm instruction to alarm equipment.

8. The utility model provides a USB equipment plug detection device which characterized in that includes:

the port determining module is used for determining a target USB according to the received detection command;

the Disable detection module is used for sending a Disable instruction to the target USB to obtain removal information, judging whether USB information in the removal information is the same as standard information of the target USB, and if so, outputting detection passing information;

and the Enable detection module is used for sending an Enable instruction to the target USB to obtain identification information, judging whether USB information in the identification information is the same as standard information of the target USB, and if so, outputting detection passing information.

9. A server, characterized by further comprising:

a memory for storing a computer program;

a processor for implementing the steps of the USB device plugging detection method according to any one of claims 1 to 7 when executing the computer program.

10. A computer-readable storage medium, having a computer program stored thereon, which, when being executed by a processor, implements the steps of the USB device plugging detection method according to any one of claims 1 to 7.

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