CN116133021A - Wireless network card self-management flow based on LINUX board card - Google Patents
Wireless network card self-management flow based on LINUX board card Download PDFInfo
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- CN116133021A CN116133021A CN202310216736.1A CN202310216736A CN116133021A CN 116133021 A CN116133021 A CN 116133021A CN 202310216736 A CN202310216736 A CN 202310216736A CN 116133021 A CN116133021 A CN 116133021A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention relates to a wireless network card self-management flow based on LINUX board card, which comprises a preprocessing module, wherein firstly, a SIM card is switched after the module is powered off; then, the module is electrified to detect whether equipment is loaded or not, and meanwhile, the model of the module is identified; if the equipment is not loaded, restarting after power failure, and reloading the equipment; the invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a wireless network card self-management flow based on LINUX boards, in particular to an embedded wireless network card self-management flow based on LINUX boards
The linux board uses 4G/5G Internet surfing applications.
Background
Linux embedded board card uses 4G/5G module to access to the Internet and is widely applied in the fields of electric power, industry, medical treatment and the like. However, 4G/5G modules suitable for embedded applications are of various types, and each manufacturer module generates a network node and dials to access the internet with different logics.
Each 4G/5G module manufacturer only provides a dial-up networking flow document, and does not provide application support for subsequent wireless network management, so that after the dial-up is successful, the stability of the subsequent wireless network cannot be ensured, the wireless network is abnormal, and the wireless network cannot be recovered in time.
The 4G/5G module is used for surfing the internet, so that factors of incapacity of surfing the internet are many, and analysis of problems can be difficult for clients who are not familiar with wireless communication. The applicant finds that the existing state needs to be comprehensively analyzed by a program, the problem points are prejudged, and the history log is stored, so that the client is assisted in analyzing and solving the problem.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a wireless network card self-management application program module and a wireless network card self-management application program method based on LINUX boards. Master information patent number CN202211452674.6;
a wireless network card self-management application program module and a method based on LINUX board; filing date: 2022-11-21
In order to solve the problems, the invention adopts the following technical scheme:
a wireless network card self-management application program module based on LINUX board card comprises a preprocessing module, wherein firstly, a SIM card is switched after the module is powered off; then, the module is electrified to detect whether equipment is loaded or not, and meanwhile, the model of the module is identified; if the equipment is not loaded, restarting after power failure, and reloading the equipment;
the detection module judges to open and configure the serial port when the preprocessing module is loading equipment; if the opening is not performed, the opening is performed,
exiting the program, if the program is opened, sending an AT command to detect whether the machine is started, and if the AT command is not started, resetting the flow;
reading information module, when AT command detects that module is started up normally, obtaining manufacturer and type of module
Number, version, module serial number, and write in file;
the SIM card detection module is used for detecting the SIM card, and when the SIM card is not detected, the SIM card state is read for N times, and the SIM card is reset according to a doubling time strategy; when the SIM card is detected, the ICCID is read
Storing the file;
the setting module actively transmits the dialing state and registration change;
the detection state module is used for detecting signal strength, inquiring registration state, inquiring attachment state, inquiring operator, inquiring access mode and storing the file; then, carrying out the judgment of the disconnection and the attachment of the injection net, and if the judgment is negative, carrying out N times of reading of the injection net and the attachment state and resetting according to a doubling time strategy;
the dialing module is used for starting the module to dial up and surfing the internet after the network injection and the attachment detection pass;
the dialing state reading module is used for firstly reading the dialing state and judging, if the dialing is unsuccessful, carrying out N times of dialing state reading, returning to the dialing module for redialing when the number of times of the dialing failure is larger than a set threshold value, then returning to the dialing state for redialing and judging again, and when the number of times of the dialing failure is smaller than the set threshold value, waiting for 2 seconds, and then reading the dialing state again and judging;
the timing management module executes S9.1, when the dialing state module is successful, whether the ping is not passed or whether the data is free after timeout is judged at regular time, and if the ping is not passed or the data is free after timeout, the detection state module is returned; if the ping passes or no data exist in a timeout, S9.2 is executed, and whether the dialing state is dropped or not is detected; if the dialing state is detected to be disconnected, returning to the dialing state reading module; if the dialing state is detected to be not disconnected, S9.3 is executed, the registration state disconnection detection is carried out, and if the registration state disconnection is judged, the detection state module is returned; if the registration status is not dropped, S9.4 is executed to judge whether the SIM card exists or not, if the SIM card does not exist, the SIM card module is re-detected, if the SIM card exists, the round of timing management is ended,
s9.5, entering a timing management module at regular time, and detecting the states of the module layer and the application data layer.
A wireless architecture based on a LINUX board card, comprising a target server for data communication, a base station, a wireless module, an embedded board card, a module layer and an application data layer, wherein the module of claim 1 is applied.
As a further improvement of the above technical scheme:
in the target server and base station section, detecting data, and the detection item for predicting faults comprises ping
Target IP and detecting whether the received and transmitted data are increased;
in the sections of the base station and the wireless module, the detection state, the detection item for predicting the fault comprises a registration message
Information, attachment information, dialing information and IP information are acquired;
in the wireless module, the detection environment and the detection item for predicting the fault comprise the starting of the module AT
Often interacting, whether an SIM card exists or not, whether the SIM card is locked or arrears fee, and detecting the signal intensity;
in the wireless module and embedded board section, the detection mode, the detection item for fault pre-judgment comprises whether a USB node is generated or not, whether an AT interaction node is generated or not, whether a network card node is generated or not, and the detection item is obtained
VID, PID, identifying module model;
the embedded board comprises a module layer and an application data layer; the detection item for the failure pre-determination,
for a module layer, reading a node, acquiring the state and information of the module through an AT command, pre-judging abnormality analysis, and executing a self-recovery flow according to a strategy; acquiring a wireless network card node and acquiring an allocation IP; executing a ping command for an application data plane; and acquiring the number of the network card received packets and judging overtime.
A wireless network card self-management application program method based on LINUX board card comprises the following steps that firstly, module id vector and id product are obtained by traversing USB equipment to identify module manufacturer and module model; and then, calling and correspondingly managing according to the internet surfing flow of different modules, determining the module manufacturer and model, and determining an AT network interaction interface and a dialing interface according to a plurality of interfaces of the USB equipment, wherein the AT network interaction interface and the dialing interface are used for acquiring module state information to complete the dialing flow.
As a further improvement of the above technical scheme:
firstly, switching the SIM card after power failure; then, the module is electrified to detect whether equipment is loaded or not, and meanwhile, the model of the module is identified; if the equipment is not loaded, restarting after power failure, and reloading the equipment;
step two, when the preprocessing module is loading equipment, judging to open and configure a serial port; if the opening is not performed, the opening is performed,
if the program is started, an AT command is sent to detect whether the machine is started, if the AT command is not started, the program is repeated
Bit flow;
step three, when the AT command detects that the module is started normally, the manufacturer, the model and the edition of the module are obtained
The serial numbers of the modules and the files are written in;
detecting the SIM card, and when the SIM card is not detected, reading the state of the SIM card for N times, and resetting according to a doubling time strategy; when the SIM card is detected, reading ICCID and storing the ICCID into a file;
step five, actively sending the dialing state and registration change;
step six, firstly, detecting signal intensity, inquiring registration state, inquiring attachment state, inquiring operator, inquiring access mode and storing into file; then, the judgment of the broken and attached injection net is carried out, when the judgment is no,
reading the net injection and the attachment state for N times, and resetting according to a doubling time strategy;
step seven, when the network injection and the attachment detection pass, the starting module performs dial-up networking;
step eight, firstly, reading the dialing state and judging, if the dialing is unsuccessful, carrying out N times of reading the dialing state, returning to the dialing module to re-dial when the number of times of reading failure is larger than a set threshold, then returning to the reading dialing state and judging again, and when the number of times of reading failure is smaller than the set threshold, waiting
After 2s, reading the dialing state again and judging;
step nine, executing S9.1, when the dialing state module is successful, judging whether the ping is not passed or whether the data is not overtime, if the ping is not passed or the data is not overtime, returning to the detection state module; if the ping passes or no data exist in a timeout, S9.2 is executed, and whether the dialing state is dropped or not is detected;
if the dialing state is detected to be disconnected, returning to the dialing state reading module; if the dialing state is detected to be not disconnected, S9.3 is executed, the registration state disconnection detection is carried out, and if the registration state disconnection is judged, the detection state module is returned; if the registration state is not dropped, S9.4 is executed, whether the SIM card exists or not is judged, if the SIM card does not exist, the SIM card module is re-detected, if the SIM card exists, the round of timing management is finished, S9.5, the timing management module is entered regularly, and the module layer and the application data layer state are detected.
The invention can be applied to and manage most brands and types of 4G/5G modules on the market. The abnormal point pre-judgment can be given by comprehensively analyzing the current module state. The wireless network communication can be managed in real time, and when the communication is abnormal, the self-recovery measures are started. Reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, fund saving, compact structure and convenient use.
Drawings
FIG. 1 is a schematic flow logic diagram of the present invention.
Fig. 2 is a schematic diagram of the architecture of the present invention.
Detailed Description
1-2, the present invention obtains the modules idVendor and idProducts by traversing the USB device
The module manufacturer and the module model are identified, and then management is performed according to the internet surfing flow of different modules. After the module manufacturer and the module model are determined, an AT interaction interface and a dialing interface are determined according to the interfaces of the USB equipment, and the AT interaction interface and the dialing interface are used for acquiring module state information to complete a dialing process.
In the invention, on the module level, the module dial-up networking is realized by acquiring the version of the 4G/5G module and the state of the SIM card; by reading the states of the network injection, attachment and dialing in real time, when the network abnormality is found, processing is timely performed; by identifying whether the network is short-term abnormal or long-term abnormal, the network communication is recovered in the shortest time through a series of reset strategies for the short-term abnormal, and a reset mode of doubling each time is adopted for the long-term abnormal, so that the module is recovered automatically, and meanwhile, a large number of meaningless reset modules for a long time are avoided, and the module is damaged.
And in the application data layer, the ping target server and the monitoring network are used for receiving and transmitting data packets, so that references of actual data communication conditions are provided for a module management program, and the lengthening of the network disconnection time caused by untimely reporting of abnormal states of the module layer is compensated.
And outputting the acquired module inherent information, SIM card information, state information such as networking, attaching, dialing and the like to a file, so that a customer can visually check the information. When the 4G/5G module cannot surf the Internet, comprehensively acquiring all states, giving out problem prejudgment, and writing the problem prejudgment into an error information file. When the state of the module changes and the module is abnormal, the state information and the processing measures are stored in the history log, so that the fault generation reasons can be analyzed conveniently.
Through the mode of the parameter file, the client can conveniently set information such as APN, user name, password and the like, and the reset management strategy conforming to the application logic of the client is customized.
The application program module is suitable for application of 4G/5G modules of most factories in the market on linux embedded boards.
The application module can actively monitor the state of the SIM card, even if the hot plug function of the SIM card is not used, the SIM card can be reinitialized through the reset wireless module within a certain time, and the application module can be used for automatically and normally checking and operating the SIM card after the temperature is recovered to be normal due to the fact that the SIM card cannot be identified temporarily caused by high temperature or low temperature.
The application module can detect information such as the network injection, the attachment, the signal strength and the like before the dialing and surfing, and dial again under the condition that each state is normal, so as to ensure the success rate of the dialing. When the state before dialing is abnormal, the waiting is delayed until the state is normal. If the overtime state is still not normal, the network is searched again through the reset module, and the possible reasons of the problem are predicted according to the phenomenon, so that references are provided for solving the abnormality for the client.
The application module supports ECM, RNDIS, GOBINET and other dialing processes.
The application module still regularly detects the information such as the module state, the dialing state, the SIM card state and the like after successful dialing, and timely discovers the change of the network state, and gives necessary treatment to ensure that the equipment can recover to surfing the internet as soon as possible.
The application module combines ping and the quantity comparison of data packet receiving and transmitting of the network card to discover the network fault in time,
and under the condition that the module layer does not report the abnormal state, the module state is actively read, and the wireless network is recovered as soon as possible.
According to the experience that the 4G and 5G modules can not be connected to the Internet for many years, the application module can automatically judge the reason that the Internet can not be connected to the Internet according to the state and write the reason into an error information file.
By detecting the USB node, the AT interaction node and the wireless network card node, whether the 4G/5G module is properly plugged is determined, if the abnormal report module drive is not normally loaded, whether the module is plugged in place or not is checked, and whether the power supply is normally provided or not is checked.
And identifying whether the SIM card is inserted or not by detecting the state of the SIM card.
By detecting the information of the state of the note network, the access point, the signal strength, the service domain and the like, the SIM is judged to be the current
The card is locked, the SIM card defaults, or the network cannot be accessed due to the signal difference in the area.
Providing reference information for the client, and reinserting the 4G/5G module by the client; the detection module is powered; detecting whether a SIM card is inserted; detecting whether the SIM card is locked; detecting whether the SIM card defaults; detecting whether an antenna is not inserted, and the like.
The 4G/5G wireless network card self-management application program module is added into a file system to become a system self-carrying function, when a client wants to use the 4G or 5G internet function, the application can be started, and the client can self-manage the 4G/5G wireless internet function.
The client can set APN, user name, password and other information by modifying the parameter file, and customize the reset management strategy conforming to the application logic of the client.
When a client uses the 4G/5G wireless internet function, the client finds that the client cannot surf the internet, and can check the corresponding problem according to the indication content by checking the error information file.
In the process of using the 4G/5G wireless internet function, a client can check when the network is interrupted in the history at any time, and how the program processes and self-restores the wireless network.
The present invention is fully described for more clarity of disclosure and is not set forth in the prior art.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; it is obvious to a person skilled in the art to combine several embodiments of the invention. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (2)
1. A wireless network card self-management flow based on LINUX board card is characterized in that: firstly, acquiring a module idVendor and an idProduct to identify a module manufacturer and a module model by traversing USB equipment; and then, calling and correspondingly managing according to the internet surfing flow of different modules, determining the module manufacturer and model, and determining an AT network interaction interface and a dialing interface according to a plurality of interfaces of the USB equipment, wherein the AT network interaction interface and the dialing interface are used for acquiring module state information to complete the dialing flow.
2. The LINUX board-based wireless network card self-management process according to claim 1, wherein:
firstly, switching the SIM card after power failure; then, the module is electrified to detect whether equipment is loaded or not, and meanwhile, the model of the module is identified; if the equipment is not loaded, restarting after power failure, and reloading the equipment;
step two, when the preprocessing module is loading equipment, judging to open and configure a serial port; if not, exiting the program, if so, sending an AT command to detect whether the machine is started, and if not, resetting the flow;
step three, when the AT commands start, the module manufacturer, model, version and module serial number are obtained and written into the file;
detecting the SIM card, and when the SIM card is not detected, reading the state of the SIM card for N times, and resetting according to a doubling time strategy; when the SIM card is detected, reading ICCID and storing the ICCID into a file;
step five, actively sending the dialing state and registration change;
step six, firstly, detecting signal intensity, inquiring registration state, inquiring attachment state, inquiring operator, inquiring access mode and storing into file; then, carrying out the judgment of the disconnection and the attachment of the injection net, and if the judgment is negative, carrying out N times of reading of the injection net and the attachment state and resetting according to a doubling time strategy;
step seven, when the network injection and the attachment detection pass, the starting module performs dial-up networking;
step eight, firstly, reading the dialing state and judging, if the dialing is unsuccessful, carrying out N times of reading the dialing state, returning to the dialing module to re-dial when the number of times of reading failure is larger than a set threshold value, then returning to the reading dialing state and judging again, and when the number of times of reading failure is smaller than the set threshold value, waiting for 2 seconds, and then reading the dialing state again and judging;
step nine, executing S9.1, when the dialing state module is successful, judging whether the ping is not passed or whether the data is not overtime, if the ping is not passed or the data is not overtime, returning to the detection state module; if the ping passes or no data exist in a timeout, S9.2 is executed, and whether the dialing state is dropped or not is detected; if the dialing state is detected to be disconnected, returning to the dialing state reading module; if the dialing state is detected to be not disconnected, S9.3 is executed, the registration state disconnection detection is carried out, and if the registration state disconnection is judged, the detection state module is returned; if the registration state is not dropped, S9.4 is executed, whether the SIM card exists or not is judged, if the SIM card does not exist, the SIM card module is re-detected, if the SIM card exists, the round of timing management is finished, S9.5, the timing management module is entered regularly, and the module layer and the application data layer state are detected.
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| CN202310216736.1A CN116133021A (en) | 2022-11-21 | 2022-11-21 | Wireless network card self-management flow based on LINUX board card |
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| CN202211452674.6A CN115665785B (en) | 2022-11-21 | 2022-11-21 | LINUX board card-based wireless network card self-management application program module and method |
| CN202310216736.1A CN116133021A (en) | 2022-11-21 | 2022-11-21 | Wireless network card self-management flow based on LINUX board card |
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