CN104853373A - Method and device for switching operating modes of wireless module - Google Patents
Method and device for switching operating modes of wireless module Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The embodiments of the present invention disclose a method and a device for switching the operating modes of a wireless module and relates to the field of wireless communications, which provides a solution for the spontaneous switchover of the wireless module to an AP mode. According to the embodiments of the invention, the method comprises the steps of detecting the power-on restarting number of the wireless module; and converting the operating mode of the wireless module from the station mode into the wireless access point mode upon detecting the condition that the power-on restarting number of the wireless module operated by a user exceeds a preset threshold within a preset time interval. In this way, the above technical problem is solved.
Description
Technical Field
The present invention relates to the field of wireless communications, and in particular, to a method and an apparatus for switching operating modes of a wireless module.
Background
Currently, many devices may communicate with other devices or terminals through a built-in Wi-Fi (Wireless-Fidelity) module (hereinafter, may be referred to as a Wireless module or a Wi-Fi module). The existing Wi-Fi module has two working modes, which are an AP mode (also called Wireless Access Point mode or Access Point) and an STA mode (also called Station mode, Station), respectively. Fig. 1 and fig. 2 are schematic structural diagrams of a wireless module in an AP mode and a wireless module in an STA mode in a network, respectively. As shown in fig. 1, the wireless module in the AP mode may be used as a hotspot, which may be accessed by other wireless devices, and may also be used as a central point of the wireless lan, so that other devices may access the wireless lan through the wireless module in the AP mode. As shown in fig. 2, the wireless module in the STA mode may act as a terminal connected to a wireless network. In order to prevent the wireless module in the AP mode from being attacked or controlled maliciously, the wireless module in the STA mode cannot be automatically switched back to the AP mode.
Disclosure of Invention
The embodiment of the invention provides a method and a device for switching working modes of a Wi-Fi module, and provides a scheme for enabling a wireless module to be switched to an AP mode spontaneously.
The embodiment of the invention provides a method for switching working modes of a wireless module, which comprises the following steps:
detecting the power-on restart times of the wireless module;
and when detecting that the number of times of the wireless module which is electrified and restarted by a user in a preset time interval exceeds a preset threshold value, switching the working mode of the wireless module from a site mode to a wireless access point mode.
The embodiment of the invention provides a working mode switching device of a wireless module, which comprises:
a detection unit for detecting the wireless module;
and the switching unit is used for switching the working mode of the wireless module from a site mode to a wireless access point mode when detecting that the number of times of the wireless module which is electrified and restarted by a user in a preset time interval exceeds a preset threshold value.
According to the technical scheme, firstly, the power-on restarting frequency of the wireless module can be detected in real time, and when the power-on restarting frequency of the wireless module by a user in a preset time interval is detected to exceed a preset threshold value, the working mode of the wireless module is switched from the site mode to the wireless access point mode.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a Wi-Fi module in an AP mode in a network;
FIG. 2 is a schematic structural diagram of a Wi-Fi module in an STA mode in a network;
fig. 3 is a schematic flowchart of a working mode switching method of a Wi-Fi module according to an embodiment of the present invention;
fig. 4 is a schematic flow chart illustrating a mode switching process of an intelligent home appliance according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an operating mode switching apparatus of a wireless module according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the intelligent home field, because the software and hardware condition of intelligent household electrical appliance restricts, can lead to the built-in wireless module of intelligent household electrical appliance to have following short slab:
the intelligent household electrical appliance can be connected to a home local area network or even the Internet by utilizing a self (generally built-in) Wi-Fi module, so that the intelligent household electrical appliance can communicate with each other by utilizing the home local area network, and the intelligent household electrical appliance can be connected with a network side to obtain more network resources. However, in practical applications, most smart home devices do not have a UI interface capable of interacting with a user, and therefore, an SSID and a password for connecting to a wireless network may be sent to the wireless module through a smart phone or other terminal (e.g., PAD, PC) as a lower computer. Once the Wi-Fi module accesses the wireless router by using the received Wi-Fi module, in order to prevent the intelligent household appliance from being maliciously controlled, the wireless module of the intelligent household appliance can be actively switched from the AP mode to the STA mode. In this case, if the user modifies the password of the wireless router or changes the wireless router, the wireless module in the STA mode cannot access the wireless network using the original SSID and password, and the lower computer of the intelligent household appliance cannot input the changed SSID and password to the intelligent household appliance because the wireless module of the intelligent household appliance is in the STA mode.
It is obvious that the mode of adding the lower computer in the prior art still has certain limitation, and the wireless module in the upper computer (i.e. the intelligent household appliance) can be controlled by the lower computer only when being in the AP mode.
In order to solve the above problem, the prior art further provides a scheme for adding a hard restart key to a wireless module, which specifically includes: the wireless module or the periphery of the wireless module is provided with a button or a key for executing the restarting operation on the wireless module, when a user presses the button or the key, the wireless module can be triggered to restart and enter an AP mode after the wireless module is restarted, and then a lower computer can control the wireless module to access a wireless network.
The embodiment of the invention can provide a scheme for switching the wireless module to the AP mode at any time on the premise of not increasing the hardware complexity of peripheral design and deployment of the wireless module.
The embodiment of the invention is applied to various terminals, equipment and the like provided with wireless modules (hereinafter, the wireless modules can also be referred to as Wi-Fi modules for short), and the embodiment of the invention is particularly suitable for various intelligent household electrical appliances provided with the Wi-Fi modules.
In the embodiment of the invention, the power-on restarting times of the wireless module are detected; when the number of times of the wireless module being electrified and restarted by a user within a preset time interval is detected to exceed a preset threshold value, switching the working mode of the wireless module from a site mode to a wireless access point mode; thereby providing a flexible mode switching method by the Wi-Fi module itself. Compared with the prior art, the Wi-Fi module in the embodiment of the invention can determine whether to switch the working mode according to the self state without additionally arranging an additional communication interface or a key, so that the problem of short board of the intelligent household appliance in the prior art is solved, and a more flexible working mode switching method is provided for the wireless module.
Fig. 3 is a flowchart illustrating an operation mode switching method of a wireless module according to an embodiment of the present invention, where as shown in fig. 3, the process may include:
step 31: and detecting the power-on restart times of the wireless module.
Step 32: when the fact that the number of times of the wireless module which is electrified and restarted by a user within a preset time interval exceeds a preset threshold value is detected, the working mode of the wireless module is switched from a station mode to a wireless access point mode.
Optionally, in the above step 31 to step 32, in the wireless access point mode, the wireless module is controlled to obtain an SSID service set identifier and a password for connecting to the wireless network, and the obtained SSID and password are used to access the wireless network; and after the wireless network is successfully accessed, the working mode of the wireless module is switched from the wireless access point mode to the site mode.
Optionally, in the above steps 31 to 32, when the SSID and the password are not acquired or the connection to the wireless network fails, the wireless module is controlled to continue to operate in the wireless access point mode.
Optionally, in the above steps 31 to 32, after the wireless module operates in the wireless access point mode for a preset time, the operating mode of the wireless module is switched to the site mode, and the user is prompted to perform multiple power-on restart operations on the wireless module according to the set frequency.
Optionally, in step 32, counting each power-on restart operation of the wireless module by the user, and when the count value of the counter reaches a preset threshold n and the time interval between the power-on restart operation of the wireless module from the 1 st time by the user and the nth time is less than a preset time interval, switching the working mode of the wireless module from the site mode to the wireless access point mode, and resetting the counter to zero; or when the time interval between the jth power-on restart operation of the wireless module by the user and the (j + 1) th time is smaller than the preset operation time interval, accumulating the value of the counter by 1, or else, resetting the counter to zero; when the counting value of the counter reaches a preset threshold value n, switching the working mode of the wireless module from a site mode to a wireless access point mode; wherein n is a preset positive integer, and j takes the value of a positive integer from 1 to n.
The following description will be given in detail by taking an intelligent home appliance which is provided with a Wi-Fi module but does not have a UI interface as an example.
Fig. 4 is a flowchart illustrating a mode switching process of an intelligent home appliance according to an embodiment of the present invention, where as shown in fig. 4, the process may include:
step 41: and powering on and starting a Wi-Fi module of the intelligent household appliance.
In specific implementation, the power-on starting of the Wi-Fi module of the intelligent household appliance can be triggered manually by a tester or a user.
Step 42: a counter Timer is started.
During specific implementation, a Wi-Fi module of the intelligent household appliance starts a counter Timer, the startnum recorded by the counter is increased by one, and a value and time of each change of the startnum are sequentially stored in the Timer [ ]. The Timer can be a counter in a Wi-Fi module of the intelligent household appliance and can also be a counter in the intelligent household appliance; the startnum may be configured to record the power-on restart number of the Wi-Fi module of the intelligent household electrical appliance, for example, when the startnum is equal to 1, it may be considered that the Wi-Fi module of the intelligent household electrical appliance is powered on and restarted 1 time at this time; the timer [ ] can be used for recording information such as a value of a counter of a Wi-Fi module of the intelligent household appliance when the counter changes every time and time when the counter changes, for example, when startnum is 1, the timer [0] at least records time information of the first power-on restart of the Wi-Fi module of the intelligent household appliance.
It should be noted that, in the embodiment of the present invention, the counter Timer may be cleared at preset time intervals, and particularly, the counter Timer may be cleared immediately after the Wi-Fi module is switched from the STA mode to the AP mode.
Step 43: judging whether the value of the counter Timer exceeds a preset threshold value, if so, executing the step 44; otherwise, step 45 is performed.
In specific implementation, a counter timer is used for counting each time the Wi-Fi module is powered on and restarted by a user (timer [ i ], namely, the user performs power-on and restart operation for i times), when the count value of the counter reaches a preset threshold value n and the time interval between the 1 st powered-on and restart operation by the user and the nth time of the Wi-Fi module is smaller than a preset time interval, the working mode of the Wi-Fi module is switched from an STA mode to an AP mode, and the counter is reset to zero.
For example, a Wi-Fi module of the intelligent household appliance judges whether a condition that a value of startnum is greater than a preset threshold value T is met, and simultaneously judges whether a condition that a time difference between a timer [0] and a timer [ T-1] is less than a preset time length is met; if both of the above conditions are satisfied, go to step 44; otherwise, step 45 is performed.
It should be noted that, in practical applications, the implementation manner is only used as an optional specific implementation manner, and as another optional specific implementation manner, the embodiment of the present invention may further perform the following operations:
using a counter timer, when detecting that the time interval between the jth power-on restart operation (timer [ j ]) of the Wi-Fi module by a user and the jth +1 (timer [ j +1]) is less than the preset operation time interval, accumulating the value of the counter by 1, otherwise, resetting the counter to zero; and when the count value of the counter reaches a preset threshold value n, switching the working mode of the Wi-Fi module from the STA mode to the AP mode.
Wherein n is a preset positive integer, and j takes the value of a positive integer from 1 to n.
Step 44: and the Wi-Fi module of the intelligent household appliance switches the working mode of the Wi-Fi module from the STA mode to the AP mode.
After the step 44 is executed, the current working mode switching process of the Wi-Fi module of the smart home device may be ended.
Step 45: the Wi-Fi module of the intelligent household appliance judges whether the intelligent household appliance completes networking configuration, and if yes, the step 46 is executed; otherwise, step 48 is performed.
And step 46, the Wi-Fi module of the intelligent household appliance enters an STA mode, and reads the SSID and the password which are stored in advance.
And 47, connecting the Wi-Fi module of the intelligent household appliance to a wireless network by using the read SSID and the password.
In the specific implementation process, in the process of connecting to the wireless network, the Wi-Fi module of the intelligent household appliance may try N times by using the read SSID and password, and continue to execute the process after the connection is successful. Wherein, N may be a preset positive integer. For example, when N is 3, the Wi-Fi module of the smart home device may try 3 times with the read SSID and password, and if the connection is successful, continue to execute the process; if the connection fails, it may be retried after a period of time.
After the execution of step 47, step 48 is not continued, and the present mode switching flow ends.
And 48: and the Wi-Fi module of the intelligent household appliance enters a one-key configuration function and enters an AP mode.
Step 49: and the Wi-Fi module of the intelligent household appliance waits for the access of other equipment and receives the SSID and the password sent by the accessed equipment.
In the step 49, if the receiving time is overtime, the one-key configuration function of the Wi-Fi module of the intelligent household appliance is turned off; otherwise, step 49 is re-executed.
In the embodiment of the present invention, after the one-key configuration function of the Wi-Fi module of the smart home device is turned off, it may be considered that the Wi-Fi module of the smart home device enters the STA mode at this time.
Step 410: and the Wi-Fi module of the intelligent household appliance is connected to the wireless router by using the received SSID and the password and is connected to the wireless network.
During specific implementation, in the process of connecting to a wireless network, the Wi-Fi module of the intelligent household appliance can try to connect to the wireless router for N times by using the received SSID and password, and continues to execute a process after the connection is successful, and at this time, the Wi-Fi module enters an STA mode. Wherein, N may be a preset positive integer. For example, when N is 3, the Wi-Fi module of the smart home device may try 3 times with the read SSID and password, and if the connection is successful, continue to execute the process and enter the STA mode; if the connection fails, the wireless router can continuously work in the AP mode, select to continuously receive the SSID and the password sent by the accessed equipment, and reconnect the wireless router by using the received SSID and the password; if the constant connection fails, the STA mode may be switched to.
After the execution of step 410, the present mode switching flow is ended.
It should be noted that, in the embodiment of the present invention, only the intelligent home appliance device which is provided with a Wi-Fi module inside but does not have a UI interface is taken as an example, and other terminals and devices which can achieve the same function and are provided with the Wi-Fi module are all within the protection scope of the embodiment of the present invention.
It should be further noted that the method provided by the embodiment of the present invention may be embedded in the Wi-Fi module in a software manner to implement control over each function of the Wi-Fi module, and the method provided by the embodiment of the present invention is not limited to the hardware structure of the Wi-Fi module.
According to the technical scheme, in the embodiment of the invention, when the fact that the number of times that the Wi-Fi module is powered on and restarted by a user within a preset time interval exceeds a preset threshold value is detected, the working mode of the Wi-Fi module is switched from the STA mode to the AP mode, so that the embodiment of the invention can determine whether the working mode needs to be switched by the Wi-Fi module, and other lower computer equipment controls the working mode of the Wi-Fi module, and a flexible working mode switching method is provided; and when the Wi-Fi module needs to switch the working mode, the Wi-Fi module is automatically switched to the AP mode, so that the STA mode can be switched to the AP mode without interaction with other lower computers, a hard restart key does not need to be additionally arranged in the Wi-Fi module, and the STA mode can be automatically triggered to be switched to the AP mode even for the Wi-Fi module without a UI interface, so that a novel working mode switching method is provided, and the complexity of hardware and software of the Wi-Fi module is simplified.
Based on the same technical concept, an embodiment of the present invention further provides a device for switching an operating mode of a wireless module, and fig. 5 shows the device for switching an operating mode of a wireless module, which is further provided by the embodiment of the present invention, and as shown in fig. 5, the device may include:
a detecting unit 51, configured to detect a power-on restart number of times of the wireless module;
the switching unit 52 is configured to switch the operating mode of the wireless module from the station mode to the wireless access point mode when it is detected that the number of times of the power-on restart operation of the wireless module by the user within the preset time interval exceeds a preset threshold.
Optionally, the switching unit 52 is further configured to: when the wireless access point is in the wireless access point mode, controlling the wireless module to acquire an SSID service set identifier and a password for connecting a wireless network, and accessing the wireless network by using the acquired SSID and password; and after the wireless network is successfully accessed, the working mode of the wireless module is switched from the wireless access point mode to the site mode.
Optionally, the switching unit 52 is further configured to: and when the SSID and the password are not acquired or the wireless network connection fails, controlling the wireless module to continuously work in a wireless access point mode.
Optionally, the switching unit 52 is further configured to: and after the wireless module works in a wireless access point mode for a preset time, switching the working mode of the wireless module to a site mode, and prompting a user to execute a plurality of power-on restarting operations on the wireless module according to a set frequency.
Optionally, the switching unit 52 is further configured to: counting each time of power-on restarting operation of the wireless module by a user by using a counter, and switching the working mode of the wireless module from a site mode to a wireless access point mode and zeroing the counter when the counting value of the counter reaches a preset threshold value n and the time interval between the power-on restarting operation of the wireless module from the 1 st time by the user and the nth time is less than a preset time interval; or,
using a counter, when detecting that the time interval between the jth power-on restart operation of the wireless module by a user and the (j + 1) th time is smaller than the preset operation time interval, accumulating the value of the counter by 1, otherwise, resetting the counter to zero; when the counting value of the counter reaches a preset threshold value n, switching the working mode of the wireless module from a site mode to a wireless access point mode;
wherein n is a preset positive integer, and j takes the value of a positive integer from 1 to n.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, implement the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for switching operating modes of a wireless module, the method comprising:
detecting the power-on restart times of the wireless module;
and when detecting that the number of times of the wireless module which is electrified and restarted by a user in a preset time interval exceeds a preset threshold value, switching the working mode of the wireless module from a site mode to a wireless access point mode.
2. The method of claim 1, further comprising:
when the wireless access point is in the wireless access point mode, controlling the wireless module to acquire an SSID service set identifier and a password for connecting a wireless network, and accessing the wireless network by using the acquired SSID and password; and after the wireless network is successfully accessed, the working mode of the wireless module is switched from the wireless access point mode to the site mode.
3. The method of claim 2, wherein the wireless module is controlled to continue operating in the wireless access point mode when an SSID and a password are not acquired or a wireless network connection fails.
4. The method as claimed in claim 3, wherein after the wireless module operates in the wireless access point mode for a preset duration, the operating mode of the wireless module is switched to the site mode, and the user is prompted to perform multiple power-on restart operations on the wireless module according to the set frequency.
5. The method according to claim 1, wherein when it is detected that the number of times that the wireless module is powered on and restarted by the user within a preset time interval exceeds a preset threshold, the operating mode of the wireless module is switched from the station mode to the wireless access point mode, specifically:
counting each time of power-on restarting operation of the wireless module by a user, and when the count value of the counter reaches a preset threshold value n and the time interval between the power-on restarting operation of the wireless module from the 1 st time by the user and the nth time is less than a preset time interval, switching the working mode of the wireless module from a site mode to a wireless access point mode, and resetting the counter to zero; or,
when detecting that the time interval between the jth power-on restart operation of the wireless module by a user and the (j + 1) th time is smaller than the preset operation time interval, accumulating the value of the counter by 1, otherwise, resetting the counter to zero; when the counting value of the counter reaches a preset threshold value n, switching the working mode of the wireless module from a site mode to a wireless access point mode;
wherein n is a preset positive integer, and j takes the value of a positive integer from 1 to n.
6. An operating mode switching apparatus of a wireless module, the apparatus comprising:
the detection unit is used for detecting the power-on restarting times of the wireless module;
and the switching unit is used for switching the working mode of the wireless module from a site mode to a wireless access point mode when detecting that the number of times of the wireless module which is electrified and restarted by a user in a preset time interval exceeds a preset threshold value.
7. The apparatus of claim 6, wherein the switching unit is further to:
when the wireless access point is in the wireless access point mode, controlling the wireless module to acquire an SSID service set identifier and a password for connecting a wireless network, and accessing the wireless network by using the acquired SSID and password; and after the wireless network is successfully accessed, the working mode of the wireless module is switched from the wireless access point mode to the site mode.
8. The apparatus of claim 7, wherein the switching unit is further to:
and when the SSID and the password are not acquired or the wireless network connection fails, controlling the wireless module to continuously work in a wireless access point mode.
9. The apparatus of claim 8, wherein the switching unit is further to:
and after the wireless module works in a wireless access point mode for a preset time, switching the working mode of the wireless module to a site mode, and prompting a user to execute a plurality of power-on restarting operations on the wireless module according to a set frequency.
10. The apparatus of claim 6, wherein the switching unit is further to:
counting each time of power-on restarting operation of the wireless module by a user by using a counter, and switching the working mode of the wireless module from a site mode to a wireless access point mode and zeroing the counter when the counting value of the counter reaches a preset threshold value n and the time interval between the power-on restarting operation of the wireless module from the 1 st time by the user and the nth time is less than a preset time interval; or,
using a counter, when detecting that the time interval between the jth power-on restart operation of the wireless module by a user and the (j + 1) th time is smaller than the preset operation time interval, accumulating the value of the counter by 1, otherwise, resetting the counter to zero; when the counting value of the counter reaches a preset threshold value n, switching the working mode of the wireless module from a site mode to a wireless access point mode;
wherein n is a preset positive integer, and j takes the value of a positive integer from 1 to n.
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