WO2019153869A1

WO2019153869A1 - Wifi connection method and apparatus

Info

Publication number: WO2019153869A1
Application number: PCT/CN2018/120311
Authority: WO
Inventors: 章浙锋
Original assignee: 杭州海康威视数字技术股份有限公司
Priority date: 2018-02-06
Filing date: 2018-12-11
Publication date: 2019-08-15
Also published as: CN110120987B; CN110120987A

Abstract

Provided are a WiFi connection method and apparatus, for use in a first electronic device. The method comprises: for each character in a first character string and a second character string, encoding the character to obtain an IP address corresponding to the character, wherein the first character string is a service set identifier of a WiFi network to be accessed by a second electronic device, and the second character string is the password of the WiFi network to be accessed by the second electronic device; mapping an IP address corresponding to each character to a MAC address; and periodically sending each MAC address obtained by means of mapping and which serves as a multicast frame of a destination address to the second electronic device, so that the second electronic device captures and parses the multicast frame, and obtains the service set identifier and the password, so as to access the WiFi network according to the service set identifier and the password. A device can quickly access a WiFi network by using the solution provided in the embodiments of the present application.

Description

WiFi connection method and device

The present application claims priority to Chinese Patent Application No. 20110111896, filed on Feb. 6, 2018, the entire disclosure of which is incorporated herein by reference.

Technical field

The present application relates to the field of wireless communication technologies, and in particular, to a WiFi connection method and apparatus.

Background technique

At present, various electronic devices are used more and more widely. In some cases, two electronic devices are required to be connected, so that one of the two electronic devices controls another electronic device, for example, the user is using When the device is worn, the wearable device is typically connected to a handheld device, such as a cell phone, to facilitate operation and control of the wearable device through the handheld device.

In the prior art, a WiFi connection may be adopted between the handheld device and the wearable device, for example, the handheld device is used as a WiFi hotspot, and the wearable device implements a WiFi connection with the handheld device by connecting the WiFi hotspot, or through the handheld device and The wearable devices are all connected to the same WiFi network to implement WiFi connection between the two devices. That is to say, both methods need to connect the wearable device to the WiFi network.

However, the scheme for the two types of wearable devices to access the WiFi network requires the user to manually configure the WiFi hotspot or the WiFi network WiFi parameters (including the SSID (Service Set Identifier) and the PWD (Pass Word,) on the wearable device. Password)), and the manual configuration of WiFi parameters is cumbersome, resulting in the wearable device not being able to quickly access the WiFi network.

Summary of the invention

The purpose of the embodiment of the present application is to provide a WiFi connection method and device, an electronic device, and a computer readable storage medium, so as to implement fast access of the device to the WiFi network. The specific technical solutions are as follows:

To achieve the above objective, the embodiment of the present application provides a WiFi connection method, which is applied to a first electronic device, where the method includes:

For each character in the first character string and the second character string, the character is encoded to obtain an IP address corresponding to the character, where the first character string is: a WiFi network to be accessed by the second electronic device The service set identifier, the second character string is: a password of a WiFi network to be accessed by the second electronic device;

Mapping the IP address corresponding to each character to a MAC address;

And periodically transmitting, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address, so that the second electronic device captures and parses the multicast frame, and obtains the service set identifier and the Said password, accessing said WiFi network according to said service set identifier and said password.

Optionally, the step of encoding the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character includes:

Determining, according to a category of the character string in which the character is located, a value of a first preset bit of the IP address corresponding to the character;

Determining, according to the sequence number of the character in the character string, a value of a second preset bit of the IP address corresponding to the character;

Determining, by the content of the character, a value of a third preset bit of the IP address corresponding to the character, where the first preset bit, the second preset bit, and the third The sum of the number of bits of the preset bit is determined by the mapping relationship between the IP address and the MAC address.

Optionally, the number of the third preset bits is greater than or equal to 16 bits;

The determining, according to the content of the character, the value of the third preset bit of the IP address corresponding to the character, includes:

Encoding the character into two bytes according to a high nibble and a low nibble of the first code value, where the first code value is: a code value corresponding to the character in a preset encoding rule ;

And determining, according to the encoded two bytes, a value of a third preset bit of the IP address corresponding to the character.

Optionally, the step of encoding the character into two bytes according to the high nibble and the low nibble of the first code value, including:

Determining, according to a lower nibble of the second code value, a high nibble of the first byte of the two bytes, wherein the second code value is: a previous character in the character string of the character is in advance Set the corresponding code value in the coding rule;

Determining a lower nibble of the first byte according to a high nibble of the first code value;

Determining a high nibble of a second byte of the two bytes according to a high nibble of the first code value;

Determining a lower nibble of the second byte according to a lower nibble of the first code value;

And the step of determining, according to the encoded two bytes, a value of a third preset bit of the IP address corresponding to the character, including:

Determining, by the first byte, a value of a first preset 8-bit in the third preset bit;

Determining, by the second byte, a value of a second preset 8-bit in the third preset bit.

Optionally, the method further includes:

Receiving the information that the second electronic device feeds back successfully to the WiFi network, and ending the step of periodically transmitting, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address.

To achieve the above objective, the embodiment of the present application further provides a WiFi connection device, which is applied to a first electronic device, where the device includes:

The encoding module is configured to encode the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character, where the first character string is: the second electronic device is to be a service set identifier of the accessed WiFi network, where the second character string is: a password of the WiFi network to be accessed by the second electronic device;

a mapping module, configured to map an IP address corresponding to each character to a MAC address;

a sending module, configured to periodically send, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address, so that the second electronic device captures and parses the multicast frame, to obtain the The service set identifier and the password are accessed according to the service set identifier and the password to the WiFi network.

Optionally, the encoding module includes:

a first determining submodule, configured to determine, according to a category of the character string in which the character is located, a value of a first preset bit of the IP address corresponding to the character;

a second determining submodule, configured to determine, according to the sequence number of the character in the character string, a value of a second preset bit of the IP address corresponding to the character;

a third determining submodule, configured to determine, according to the content of the character, a value of a third preset bit of the IP address corresponding to the character, where the first preset bit and the second pre The sum of the bits of the bit and the third predetermined bit is determined by the mapping relationship between the IP address and the MAC address.

The third determining submodule includes:

a coding unit, configured to encode the character into two bytes according to a high nibble and a low nibble of the first code value, where the first code value is: the character is in a preset encoding rule Corresponding code value;

And a determining unit, configured to determine, according to the encoded two bytes, a value of a third preset bit of the IP address corresponding to the character.

Optionally, the coding unit includes:

a first determining subunit, configured to determine a high nibble of the first byte of the two bytes according to a lower nibble of the second code value, where the second code value is: a character of the character The code value corresponding to the previous character in the string in the preset encoding rule;

a second determining subunit, configured to determine a lower nibble of the first byte according to a high nibble of the first code value;

a third determining subunit, configured to determine a high nibble of the second byte of the two bytes according to the high nibble of the first code value;

a fourth determining subunit, configured to determine a lower nibble of the second byte according to a lower nibble of the first code value;

The determining unit includes:

a fifth determining subunit, configured to determine the first byte as a value of a first preset 8-bit in the third preset bit;

And a sixth determining subunit, configured to determine the second byte as a value of a second preset 8-bit in the third preset bit.

Optionally, the device further includes:

a receiving module, configured to receive information that the second electronic device feeds back successfully to the WiFi network, and end the sending module to periodically send each MAC address obtained by mapping to the second electronic device as a destination address. The step of multicasting frames.

In order to achieve the above objective, an embodiment of the present application further provides an electronic device, including a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory complete communication with each other through a communication bus;

a memory for storing a computer program;

The processor, when used to execute the program stored on the memory, implements the WiFi connection method applied to the first electronic device according to any one of the foregoing.

To achieve the above objective, the embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements any of the applications described above. A WiFi connection method for the first electronic device.

In the solution provided by the embodiment of the present application, the first electronic device encodes each character in the service set identifier and password of the WiFi network to be accessed by the second electronic device into an IP address, and maps to a MAC address, and then sends each MAC address. As the multicast frame of the destination address, the second electronic device can capture and parse the multicast frame to obtain the server identifier and password, thereby accessing the WiFi network. It can be seen that the embodiment of the present application provides a solution that the second electronic device can be quickly accessed into the WiFi network without manually configuring the WiFi parameter on the second electronic device.

DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings to be used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present application, and other drawings can be obtained according to the drawings without any creative work for those skilled in the art.

FIG. 1 is a schematic flowchart of a WiFi connection method according to an embodiment of the present application;

2 is a schematic flow chart of encoding characters in the embodiment shown in FIG. 1;

FIG. 3 is a schematic flowchart of another WiFi connection method according to an embodiment of the present disclosure;

4 is a schematic flow chart of inverse encoding an IP address in the embodiment shown in FIG. 3;

FIG. 5 is a schematic structural diagram of a WiFi connection apparatus according to an embodiment of the present application;

6 is a schematic structural diagram of an encoding module in the embodiment shown in FIG. 5;

FIG. 7 is a schematic structural diagram of another WiFi connection apparatus according to an embodiment of the present disclosure;

8 is a schematic structural diagram of a parsing module in the embodiment shown in FIG. 7;

FIG. 9 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural diagram of another electronic device according to an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

To solve the problem of the prior art, the embodiment of the present application provides a WiFi connection method, a device electronic device, and a computer readable storage medium.

A WiFi connection method provided by an embodiment of the present application is introduced below.

Referring to FIG. 1 , FIG. 1 is a schematic flowchart of a WiFi connection method according to an embodiment of the present application. The method is applied to a first electronic device, and includes the following steps:

S101. Encode the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character.

The first character string is: a service set identifier of the WiFi network to be accessed by the second electronic device, and the second character string is a password of the WiFi network to be accessed by the second electronic device. A service set identifier is a string of characters that uniquely name a WiFi network.

In this step, each character in the first character string and the second character string is separately encoded to obtain an encoding result of each character, and then for each character, the encoding result of the character is used to obtain an IP address. , as the IP address corresponding to this character.

In an implementation manner, the preset characterizing software in the first electronic device may be used to separately encode the characters in the first character string and the second character string to obtain an encoding result corresponding to each character.

Alternatively, in an implementation manner, when encoding a character, the encoding may be performed according to a preset code table to obtain a result of encoding the character. For example, the preset code table may be an ASCII code table or the like.

In an implementation manner, the first electronic device may be a smart terminal such as a mobile phone, a computer, or a tablet computer, and the second electronic device may be a smart terminal such as a mobile phone, a computer, a tablet computer, or a smart wristband or a smart watch. Wearable devices such as smart glasses.

S102. Map an IP address corresponding to each character to a MAC address.

In an implementation manner, the preset bit in the IP address can be directly copied to the preset bit of the MAC address to obtain the mapped MAC address.

For example, a 32-bit IP address (Internet Protocol Address) and a 48-bit MAC address (Media Access Control Address) are used as examples:

In the multicast data transmission mode, the IP address is a class D address beginning with 1110, consisting of 1110 and a multicast group number, ranging from 224.0.0.0 to 239.255.255.255, and the 32-bit IP address and 48. There is a fixed rule for the conversion between the MAC addresses of the bits. The upper 24 bits of the MAC address are 01:00:5e, the 23rd bit is 0, and the lower 23 bits of the IP address are directly copied to the MAC address. The lower 23 bits can form the MAC address of the multicast frame. Since the upper 4 bits of the IP address are 1110, the lower 23 bits are copied to the lower 23 bits of the MAC address, so 5 bits in the middle of the IP address are not used, so that the IP address and the MAC address are not one by one. Correspondingly, a MAC address can map up to 32 IP addresses. However, you can set a MAC address to map an IP address by setting the 5 bits in the middle of the IP address to a fixed value.

S103. The multicast frame that is obtained by mapping each MAC address as the destination address is periodically sent to the second electronic device, so that the second electronic device captures and parses the multicast frame to obtain the service set identifier and the password, according to the service set identifier and The password is connected to the WiFi network.

In an implementation manner, the second electronic device may capture the multicast frame sent by the first electronic device and perform parsing to obtain a MAC address in each multicast frame, and obtain each MAC according to the mapping relationship between the IP address and the MAC address. The IP address corresponding to the address is de-encoded for each IP address, and the characters corresponding to each IP address are obtained. Then, the service set identifier and password of the WiFi network to be accessed are determined according to the characters corresponding to each IP address, and finally, according to the service set identifier and The password is connected to the WiFi network.

The solution provided by the embodiment of the present application can be applied in various scenarios.

For example, the WiFi network to be accessed by the second electronic device may be the WiFi network that the first electronic device has accessed, or the WiFi network to be accessed by the second electronic device may not be currently accessed by the first electronic device. WiFi network, in both scenarios, WiFi networks need to rely on routers to create.

For example, if the first electronic device is a handheld device, the first electronic device can be used as a WiFi hotspot, and the second electronic device can access the WiFi hotspot. At this time, the second electronic device can pass the 3G or 4G of the first electronic device. The network performs data transmission, such as uploading data to the Internet. In such an application scenario, the WiFi connection between the first electronic device and the second electronic device is free from the dependence on the router, and the WiFi connection of the first electronic device and the second electronic device can still be maintained without the router, and Compared with other methods that need to use a router to implement the second electronic device to access the WiFi network, the WiFi network can be accessed more simply and conveniently.

It can be understood that, after the second electronic device accesses the WiFi network, the first electronic device does not need to continue to send the multicast frame with each MAC address as the destination address. Based on this, in a specific implementation manner, the method further The method may include: receiving information of the successful access to the WiFi network fed back by the second electronic device, and ending sending the multicast frame with each MAC address obtained by the mapping as the destination address. In this way, network resources can be further saved.

In summary, in the solution provided by the embodiment of the present application, the first electronic device encodes each character in the service set identifier and password of the WiFi network to be accessed by the second electronic device into an IP address, and maps to a MAC address, and then maps to a MAC address, and then A multicast frame is sent from each MAC address as a destination address, so that the second electronic device can capture and parse the multicast frame, obtain the server identifier and password, and access the WiFi network. It can be seen that the embodiment of the present application provides a solution that the second electronic device can be quickly accessed into the WiFi network without manually configuring the WiFi parameter on the second electronic device.

When the second electronic device is a wearable device, the WiFi parameter is not conveniently configured on the wearable device, and the solution provided by the embodiment of the present application is applied, and the wearable device can be connected without configuring the WiFi parameter on the wearable device. The solution provided in the embodiment of the present application is convenient for the wearable device to access the WiFi network. Further, if the first electronic device is a handheld device and the handheld device is used as a WiFi hotspot, and the wearable device needs to access the WiFi hotspot to implement the WiFi connection of the two devices, the solution provided by the embodiment of the present application can be quickly made arbitrary. A handheld device and a wearable device are interconnected.

The following describes in detail, in step S101, an implementation of encoding the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character.

Specifically, as shown in FIG. 2, the IP address corresponding to each character in the first character string and the second character string is obtained according to the following steps:

S1011: Determine, according to a category of the character string in which the character is located, a value of a first preset bit of the IP address corresponding to the character;

If any character to be encoded is a character in the first string, the category of the string in which the character is located is a service set identifier, and if the character is a character in the second string, the character The category of the string is the password;

S1012: Determine, according to a sequence number of the character in the character string, a value of a second preset bit of the IP address corresponding to the character;

S1013: Determine, according to the content of the character, a value of a third preset bit of the IP address corresponding to the character;

The sum of the first preset bit, the second preset bit, and the third preset bit is determined by a mapping relationship between the IP address and the MAC address. In an implementation manner, the mapping relationship between the IP address and the MAC address may be: when mapping the IP address to the MAC address, the lower 23 bits of the IP address are directly copied to the lower 23 bits of the MAC address.

In an implementation manner, the bit number of the IP address used to identify the encoding result of the character may be determined by the mapping relationship between the IP address and the MAC address and the total number of bits of the IP address.

For example, when the IP address is 32 bits and the IP address is mapped to the MAC address, the lower 23 bits of the IP address are directly copied to the lower 23 bits of the MAC address, and the IP address can be lower 23 The bit is used to identify the encoding result of the character, and the high 9 bits of the IP address are set to a fixed value. Since the upper 4 bits of the IP address are always 1110 in multicast, the upper 8 bits of the IP address can be set to a fixed value ranging from 224 to 239. The 23rd bit of the IP address can also be set to a fixed value, for example, set to 0 or 1.

In the bit of the IP address used to identify the encoding result of the character, the first preset bit may be used to mark the category of the character string in which the character is located, that is, whether the character is located in the service set identifier or in the password, The second preset bit is used to mark the sequence number of the character in the character string, and the third preset bit is used to mark the specific content represented by the character.

For the first preset bit, for example, if the IP address is 32 bits and the lower 23 bits are used to identify the encoding result of the character, one bit of the IP address may be used as the first preset bit, for example, The 22nd bit is specifically: the 22nd bit is 0, indicating that the character string of the character is the service set identifier, and the 22nd bit is 1, indicating that the character string of the character is a password. The two bits in the IP address may also be used as the first preset bit, for example, the 22nd and 21st bits, specifically: the 22nd and 21st bits are 00, indicating that the character string is the service set identifier, 22, 21 bits are 01, indicating that the character string is a password. Certainly, in the specific implementation, the number of bits and the position of the first preset bit can be set as needed, which is not limited in this embodiment of the present application.

For the second preset bit, for example, if the IP address is 32 bits and the lower 23 bits are used to identify the encoding result of the character, several of the lower 23 bits except the first preset bit may be The bit is used as the second predetermined bit. For example, if the number of bits of the second preset bit is 3, the second preset bit can be represented as 000 when the sequence number is 1, the second preset bit can be represented as 001 when the sequence number is 2, and so on. . It can be understood that the number of bits of the second preset bit is related to the maximum number of characters that the string can contain. If the number of characters that the string can contain at most, the more bits of the second preset bit . In the specific implementation, the number of bits and the position of the second preset bit can be set as needed, which is not limited in this embodiment of the present application.

In a specific implementation manner, the 23rd to 16th bits of the IP address are as shown in Table 1, wherein the 23rd bit is preset to a fixed value of 0, and the 22nd bit is used as the first preset bit, wherein The 22nd bit is 0 when the character string is the service set identifier, the 22nd bit is 1 when the character string is the password, and the 21st to 16th bits are the second preset bit. That is, the 23rd to 16th bits of the IP address can be used to distinguish between the SSID and the PWD.

Table 1

When encoding in the manner shown in Table 1, for the second character in the service set identifier, the 23rd to 16th bits in the encoded IP address are 000000001 (in decimal), for the second in the password. 2 characters, the 23rd to 16th bits in the encoded IP address are 010000001 (in decimal notation 65).

For the third preset bit, the third preset bit is used to mark the specific content represented by the character. In an implementation manner, the binary number corresponding to the character under the preset encoding rule (such as ASCII encoding) can be searched for. The binary number found is used as the value of the third preset bit. In this way, the number of bits of the third preset bit can be determined by a preset encoding rule.

In another implementation manner, the number of the third preset bits may be preset to be greater than or equal to 16 bits, and in the foregoing S1013, determining the third preset bit of the IP address corresponding to the character according to the content of the character. The steps of the value may include:

Encoding the character into two bytes according to the high nibble and the low nibble of the first code value, where the first code value is: a code value corresponding to the character in the preset encoding rule;

The value of the third preset bit of the IP address corresponding to the character is determined according to the encoded two bytes.

The above preset encoding rule may be ASCII encoding. In ASCII encoding, the code value corresponding to the character is composed of 8-bit binary digits, then the first 4 bits may be defined as the high nibble H of the code value, and the last 4 bits. Defined as the lower nibble L of the code value. For example, the character "M" has a corresponding code value of 0x4D (in hexadecimal notation) in ASCII encoding, where 0x4 is the high nibble H and 0xD is the low nibble L.

In a specific implementation manner, the method of encoding the two bytes corresponding to the ith character by the high nibble and the lower nibble of the first code value may be as shown in Table 2, Table 3, and Table 4. Where H _i and L _i respectively represent the upper nibble and the lower nibble of the code value corresponding to the i-th character in the ASCII encoding rule. In this particular implementation, the characters are encoded into two bytes based only on the first code value.

As shown in Table 2, the lower nibble and the high nibble of the first code value are directly used as the high nibble of the first byte and the second byte, respectively, and the upper half of the first code value is obtained. The byte and the lower nibble are subjected to preset data processing as the lower nibble of the first byte and the second byte, respectively.

As shown in the encoding method of Table 3, the high nibble and the low nibble of the first code value are directly used as the lower nibble of the first byte and the second byte, respectively, and the lower half of the first code value is obtained. The byte and the high nibble are subjected to preset data processing as the high nibble of the first byte and the second byte, respectively.

As shown in Table 4, the lower nibble and the high nibble of the first code value are directly used as the high nibble of the first byte and the second byte, respectively, and the upper half of the first code value is obtained. The byte and the lower nibble are the lower nibble of the first byte and the second byte, respectively.

Table 2

	字节序号Byte number	高半字节High nibble	低半字节Low nibble
第一字节First byte	2i2i	L _i L _i	H _i^(1％16) H _i ^(1%16)
第二字节Second byte	2i+12i+1	H _i H _i	L _i^(2％16) L _i ^(2%16)

table 3

	字节序号Byte number	高半字节High nibble	低半字节Low nibble
第一字节First byte	2i2i	L _i^(2i％16) L _i ^(2i%16)	H _i H _i
第二字节Second byte	2i+12i+1	H _i^((2i+1)％16) H _i ^((2i+1)%16)	L _i L _i

Table 4

	字节序号Byte number	高半字节High nibble	低半字节Low nibble
第一字节First byte	2i2i	L _i L _i	H _i H _i
第二字节Second byte	2i+12i+1	H _i H _i	L _i L _i

Since the number of the third preset bits is greater than or equal to 16 bits, the first byte and the second byte may be determined as the value of 16 bits, and the other remaining bits may be preset to be fixed. value.

In another specific implementation, the character may be encoded into two bytes according to the first code value and the second code value, where the second code value is: the previous character in the character string is preset For the corresponding code value in the coding rule, it can be understood that the first code value and the second code value are used for encoding, so that it is convenient to check whether the order of the characters is correct in the subsequent decoding process. Thus, the step of encoding the character into two bytes according to the high nibble and the low nibble of the first code value may include:

Determining, according to the lower nibble of the second code value, a high nibble of the first byte of the two bytes, wherein the second code value is: the previous character in the string in which the character is located is in a preset encoding rule Corresponding code value;

The lower nibble of the second byte is determined based on the lower nibble of the first code value.

Correspondingly, the step of determining the value of the third preset bit of the IP address corresponding to the character according to the encoded two bytes may include:

The second byte is determined as the value of the second preset 8-bit in the third preset bit.

That is, after determining the first byte and the second byte, the value of each bit in the first byte may be assigned to the first preset 8-bit in the third preset bit, The value of each bit in the two bytes is assigned to the second preset 8 bits in the third preset bit.

In addition, the first preset 8-bit and the second preset 8-bit refer to: a preset eight bits in the third preset bit, wherein the first preset 8-bit and the first The two preset 8-bit bits do not coincide with each other.

Here is an example of the above "the last character in the string in which the character is located", taking the character string "asdf" as an example, the character of the character s in the previous character is a.

Taking a character string as an example, using the above encoding method, the i-th character in the string can be encoded into two bytes as shown in Table 5, Table 6, or Table 7, where L _i-1 represents the string. The lower nibble of the corresponding code value in the i-1th character in the preset encoding rule. It can be understood that the _i- th character is encoded by L _i-1 at the time of encoding, and the high nibble of the first byte is determined, so that the byte is checked by the high nibble of the first byte during decoding. The correctness of the serial number. It should be noted that, taking the character string “asdf” as an example, since the character a is the first character in the string, and the previous character of the character a does not exist in the string, the first character a is When encoding, you can directly set L _i-1 to 0 to determine the high nibble of the first byte.

table 5

Table 6

	字节序号Byte number	高半字节High nibble	低半字节Low nibble
第一字节First byte	2i2i	L _i-1^(2i％16) L _i-1 ^(2i%16)	H _i H _i
第二字节Second byte	2i+12i+1	H _i^((2i+1)％16) H _i ^((2i+1)%16)	L _i L _i

Table 7

	字节序号Byte number	高半字节High nibble	低半字节Low nibble
第一字节First byte	2i2i	L _i-1 L _i-1	H _i H _i
第二字节Second byte	2i+12i+1	H _i H _i	L _i L _i

For each character, after encoding the character into two bytes, the value of the third preset bit of the IP address corresponding to the character may be determined according to the encoded two bytes. When the number of the third preset bits is 16 bits, the first byte may be determined as the value of the upper 8 bits of the 16 bits, and the second byte is determined to be the lower 8 bits of the 16 bits. Value; when the number of third preset bits is greater than 16 bits, such as 18 bits, the first byte may be determined as the value of 0-7 bits in the 18 bits, and the second byte is determined as The value of 8-15 bits in the 18-bit bit can be set to a fixed value for the values of the 16th and 17th bits.

For example, for a character string whose service set identifier is My, as shown in Table 8, under the ASCII encoding rule, the code value corresponding to the character M is 0x4D, and the high nibble H ₀ of the code value corresponding to the character M is The lower nibble L ₀ is 0x4 and 0xD, respectively, and the code value corresponding to the character y is 0x79, and the high nibble H ₁ and the low nibble L ₁ of the code value corresponding to the character y are 0x7 and 0x9, respectively.

Table 8

If the third preset bit of the IP address is set to 16 bits, when the third preset bit is encoded according to the above method, as shown in Table 9, the two bytes obtained by encoding the character M are 0x04, respectively. 0x5D (in hexadecimal notation), the first byte 0x04 is taken as the value of the upper 8 bits of the third preset bit, and the second byte 0x5D is taken as the lower 8 bits of the third preset bit. The value of the first preset bit and the second preset bit of the IP address shown in Table 1 is finally encoded. The IP address obtained by encoding the character M may be 239.0.4.93 (in decimal). Representation), the IP address obtained by encoding the character y can be 239.1.247.73 (in decimal), where hexadecimal is converted to decimal, 0x04=4, 0x5D=93, 0xF7=247, 0x49=73 .

Table 9

As can be seen from Table 7, at the time of encoding, the high nibble of the byte of sequence number 2i+1 is formed according to the lower nibble of the byte of sequence number 2i, and the second electronic device can pass before decoding. The lower nibble of a sequence of bytes and the high nibble of the byte of the current sequence number are used to verify the correctness of the current byte sequence number, thus avoiding interference from external data packets. It can be seen that the sequence numbers of two adjacent bytes encoded in this manner are associated. When receiving the interfered data packet, the second electronic device can check the validity of the sequence number through the previous byte.

Applying the coding mode of the embodiment shown in FIG. 2, encoding the service set identifier and the password in the WiFi network as an IP address, can improve the speed at which the second electronic device parses the service set identifier and password of the WiFi network, and further improves the speed. The speed at which the second electronic device accesses the WiFi network. Moreover, by using the structure of the multicast IP address and its special correspondence with the MAC address, the IP address obtained by encoding the service set identifier and the password is multicast, thereby reducing the amount of data transmitted during multicast, and by means of IP address It is safer and more efficient to carry the data that needs to be transmitted.

In order to implement the device to quickly access the WiFi network, the embodiment of the present application further provides a WiFi connection method, which is applied to the second electronic device, as shown in FIG. 3, according to the above-mentioned WiFi connection method applied to the first electronic device. , including the following steps:

S301. Capture each multicast frame periodically sent by the first electronic device.

S302, parsing the captured multicast frame, obtaining a MAC address in each multicast frame, de-mapping each MAC address to obtain each IP address, and inversely encoding each IP address to obtain characters corresponding to each IP address, according to each IP address. The corresponding character determines the service set identifier and password of the WiFi network to be accessed.

Each of the IP addresses is obtained by encoding, by the first electronic device, each character in the first character string and the second character string, where the first character string is: a service set identifier, and the second character string is: a password.

After the multicast frame is parsed to obtain the MAC address in the multicast frame, the IP address can be obtained by inverse mapping according to the mapping between the IP address and the MAC address.

In an implementation manner, the preset application software in the second electronic device may be used to parse the multicast frame to obtain an IP address corresponding to each character.

Specifically, corresponding to the first electronic device in the embodiment shown in FIG. 2, each of the first character string and the second character string is encoded to obtain an encoding mode of the IP address corresponding to each character, which is used in the embodiment of the present application. The step of de-encoding each IP address to obtain characters corresponding to each IP address is as shown in FIG. 4, and may include:

Follow the steps below to inversely encode each IP address to get the character corresponding to each IP address:

S3021: Determine, according to the value of the first preset bit of the IP address, a category of a character string in which the character corresponding to the IP address is located;

S3022: Determine, according to the value of the second preset bit of the IP address, a sequence number of the character corresponding to the IP address in the character string;

S3023. Determine the content of the character corresponding to the IP address according to the value of the third preset bit of the IP address.

Correspondingly, when the number of the third preset bits is greater than or equal to 16 bits, the step of determining the content of the character corresponding to the IP address according to the value of the third preset bit of the IP address may include:

Determining two bytes according to the value of the third preset bit of the IP address;

Determining, according to the determined two bytes, a high nibble and a low nibble of the first code value, where the first code value is a code value corresponding to the character corresponding to the IP address in the preset encoding rule;

Determining, from the preset encoding rule, content of a character corresponding to the first code value composed of the high nibble and the lower nibble as content of a character corresponding to the IP address.

In a specific implementation, the step of determining two bytes according to the value of the third preset bit of the IP address may include:

Determining, by the third preset bit, a value of the first preset 8-bit, as the first byte of the two bytes;

The value of the second preset 8-bit in the third preset bit is determined as the second byte of the two bytes.

The foregoing steps of determining a high nibble and a low nibble of the first code value according to the determined two bytes may include:

Determining a high nibble of the first code value according to a lower nibble of the first byte;

The lower nibble of the first code value is determined based on the lower nibble of the second byte.

For example, for the first byte and the second byte encoded by the coding methods shown in Table 3, Table 4, Table 6, and Table 7, the lower nibble of the first byte can be directly determined as being decoded at the time of decoding. The upper nibble of the first code value determines the lower nibble of the second byte as the lower nibble of the first code value.

For the first byte and the second byte encoded by the encoding method shown in Table 2, the lower nibble of the first byte can be inversely calculated during decoding to obtain the upper half of the first code value. Byte, the lower nibble of the second byte is inversely operated to obtain the lower nibble of the first code value.

For the first byte and the second byte encoded by the encoding method shown in Table 5, at the time of decoding, since the sequence number i of the character in the character string has been determined in step S3022, then The sequence number i performs a corresponding inverse operation on the lower nibble of the first byte to obtain a high nibble of the first code value, and performs a corresponding inverse operation on the lower nibble of the second byte according to the sequence number i. The lower nibble of the first code value is obtained.

In addition, in order to check the correctness of the byte number at the time of decoding, before the step of determining the high nibble of the first code value according to the lower nibble of the first byte, it may be based on two bytes. The upper nibble of the first byte determines the content of a nibble, and then determines whether the determined nibble is the same as the lower nibble of the second code value. If they are the same, the determined two words are represented. After the checksum is passed, the step of determining the high nibble of the first code value according to the lower nibble of the first byte may be performed, and the subsequent decoding step is performed to obtain the correct character. If not, the indication is If the determined two-byte check fails, the decoding step can be ended.

S303. Access the WiFi network according to the service set identifier and the password.

For example, if the first electronic device is a handheld device, the first electronic device can be used as a WiFi hotspot, and the second electronic device can access the WiFi hotspot. At this time, the second electronic device can pass the 3G/4G of the first electronic device. The network performs data transmission, such as uploading data to the Internet. In such an application scenario, the WiFi connection between the first electronic device and the second electronic device is free of dependence on the router, and the WiFi connection of the first electronic device and the second electronic device can still be maintained without the router.

It can be understood that, after the second electronic device accesses the WiFi network, the first electronic device does not need to continue to send the multicast frame with each MAC address as the destination address. Based on this, in a specific implementation manner, the method further After the access to the WiFi network, the information about the successful access to the WiFi network is fed back to the first electronic device, so that the first electronic device ends sending the multicast frame with each MAC address obtained by the mapping as the destination address, so that Save network resources.

In summary, in the solution provided by the embodiment of the present application, the second electronic device captures and parses the multicast frame sent by the first electronic device, obtains a MAC address in each multicast frame, and demaps each MAC address to obtain each IP address. The address is obtained by de-encoding each IP address to obtain a character corresponding to each IP address, and determining a service set identifier and password of the WiFi network to be accessed according to characters corresponding to each IP address, thereby accessing the WiFi network. It can be seen that the embodiment of the present application provides a solution that the second electronic device can be quickly accessed into the WiFi network without manually configuring the WiFi parameter on the second electronic device.

Corresponding to the foregoing method embodiment applied to the first electronic device, the embodiment of the present application further provides a WiFi connection device. As shown in FIG. 5, the device is applied to the first electronic device, and may include:

The encoding module 501 is configured to encode the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character, where the first character string is: the second electronic device a service set identifier of the WiFi network to be accessed, the second character string being: a password of the WiFi network to be accessed by the second electronic device;

The mapping module 502 is configured to map an IP address corresponding to each character to a MAC address.

The sending module 503 is configured to periodically send, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address, so that the second electronic device captures and parses the multicast frame, and obtains a Describe the service set identifier and the password, and access the WiFi network according to the service set identifier and the password.

As a specific embodiment of the present application, as shown in FIG. 6, the encoding module 501 may include:

The first determining sub-module 5011 is configured to determine, according to the category of the character string in which the character is located, the value of the first preset bit of the IP address corresponding to the character;

The second determining sub-module 5012 is configured to determine, according to the sequence number of the character in the character string, the value of the second preset bit of the IP address corresponding to the character;

The third determining sub-module 5013 is configured to determine, according to the content of the character, a value of a third preset bit of the IP address corresponding to the character, where the first preset bit and the second preset bit The sum of the digits of the third preset bit is determined by the mapping relationship between the IP address and the MAC address.

As a specific embodiment of the present application, the number of the third preset bits is greater than or equal to 16 bits;

The third determining submodule 5013 may include:

a coding unit, configured to encode a character into two bytes according to a high nibble and a low nibble of the first code value, where the first code value is: a code corresponding to a character in a preset encoding rule value;

As a specific embodiment of the present application, the coding unit may include:

a first determining subunit, configured to determine a high nibble of the first byte of the two bytes according to a lower nibble of the second code value, where the second code value is: a string in which the character is located The code value corresponding to the previous character in the preset encoding rule;

Correspondingly, the determining unit may include:

As a specific embodiment of the application, the device may further include:

In the solution provided by the embodiment of the present application, the second electronic device captures and parses the multicast frame sent by the first electronic device, obtains a MAC address in each multicast frame, and demaps each MAC address to obtain each IP address, for each IP address. The address is inverse-coded to obtain the characters corresponding to each IP address, and the service set identifier and password of the WiFi network to be accessed are determined according to the characters corresponding to the respective IP addresses, thereby accessing the WiFi network. It can be seen that the embodiment of the present application provides a solution that the second electronic device can be quickly accessed into the WiFi network without manually configuring the WiFi parameter on the second electronic device.

The embodiment of the present application further provides a WiFi connection device. As shown in FIG. 7, the device is applied to the second electronic device, and may include:

The capture module 701 is configured to capture each multicast frame periodically sent by the first electronic device.

The parsing module 702 is configured to parse the captured multicast frame, obtain a MAC address in each multicast frame, demap all the MAC addresses to obtain each IP address, and inversely encode each IP address to obtain a character corresponding to each IP address. Determining, according to the character corresponding to each IP address, a service set identifier and a password of the WiFi network to be accessed; wherein each IP address is used by the first electronic device to encode each character in the first character string and the second character string respectively The first character string is: the service set identifier, and the second character string is: the password;

The connection module 703 is configured to access the WiFi network according to the service set identifier and password.

As a specific embodiment of the present application, as shown in FIG. 8, the parsing module 702 may include:

The first determining sub-module 7021 is configured to determine, according to the value of the first preset bit of the IP address, a category of a character string in which the character corresponding to the IP address is located;

The second determining sub-module 7022 is configured to determine, according to the value of the second preset bit of the IP address, a sequence number of the character corresponding to the IP address in the character string;

The third determining sub-module 7023 is configured to determine, according to the value of the third preset bit of the IP address, the content of the character corresponding to the IP address.

As a specific embodiment of the present application, the number of the third preset bits may be greater than or equal to 16 bits;

The third determining submodule 7023 may include:

a first determining unit, configured to determine two bytes according to a value of a third preset bit of the IP address;

a second determining unit, configured to determine a high nibble and a low nibble of the first code value according to the determined two bytes; wherein the first code value is a character corresponding to the IP address in a preset encoding rule Corresponding code value;

And a third determining unit, configured to determine, from the preset encoding rule, content of a character corresponding to the first code value composed of the high nibble and the low nibble as the content of the character corresponding to the IP address.

As a specific embodiment of the present application, the first determining unit may include:

a first determining subunit, configured to determine a value of the first preset 8 bits in the third preset bit as the first byte of the two bytes;

a second determining subunit, configured to determine a value of the second preset 8 bits in the third preset bit as a second byte of the two bytes;

Correspondingly, the second determining unit may include:

a third determining subunit, configured to determine a high nibble of the first code value according to the lower nibble of the first byte;

And a fourth determining subunit, configured to determine a lower nibble of the first code value according to the lower nibble of the second byte.

As a specific embodiment of the application, the device may further include:

a fifth determining subunit, configured to determine, according to the lower nibble of the first byte, the high nibble of the first code value, according to the first byte a nibble, determining the first nibble;

a determining subunit, configured to determine whether the first nibble and the lower nibble of the second code value are the same, wherein the second code value is: the previous character in the character string in the character is in the preset encoding The corresponding code value in the rule; if the same, the third determining subunit is triggered.

As a specific embodiment of the application, the device may further include:

a sending module, after accessing the WiFi network, feeding back information of the WiFi network to the first electronic device, so that the first electronic device ends sending each MAC address obtained by mapping Multicast frame of the destination address.

The embodiment of the present application further provides an electronic device, as shown in FIG. 9, including a processor 901, a communication interface 902, a memory 903, and a communication bus 904, wherein the processor 901, the communication interface 902, and the memory 903 pass through the communication bus 904. Complete communication with each other,

a memory 903, configured to store a computer program;

The processor 901 is configured to perform the following steps when executing the program stored on the memory 903:

Mapping the IP address corresponding to each character to a MAC address;

It can be seen that the embodiment of the present application provides an electronic device, which encodes each character in the service set identifier and password of the WiFi network to be accessed by other electronic devices into an IP address, and maps to a MAC address, and then sends each MAC address as a destination address. The multicast frame, in this way, other electronic devices can capture and parse the multicast frame to obtain the server identification and password, without manually configuring the WiFi parameters on other electronic devices, so that other electronic devices can quickly access the WiFi network.

For the specific implementation of the various steps of the method and the related explanations, refer to the method embodiment shown in FIG. 1 above, and no further details are provided herein.

In addition, other implementation manners of the WiFi connection method implemented by the processor 901 executing the program stored in the memory 903 are the same as those mentioned in the foregoing method embodiment, and are not described herein again.

The embodiment of the present application further provides an electronic device, as shown in FIG. 10, including a processor 101, a communication interface 102, a memory 103, and a communication bus 104. The processor 101, the communication interface 102, and the memory 103 pass through the communication bus 104. Complete communication with each other,

a memory 103, configured to store a computer program;

The processor 101 is configured to perform the following steps when executing the program stored on the memory 103:

Grab each multicast frame periodically sent by the first electronic device;

Parsing the captured multicast frame, obtaining the MAC address in each multicast frame, de-mapping each MAC address to obtain each IP address, and inverse-encoding each IP address to obtain characters corresponding to each IP address, according to each IP address. The character determines a service set identifier and a password of the WiFi network to be accessed; wherein each IP address is obtained by encoding, by the first electronic device, each character in the first character string and the second character string, A string is: the service set identifier, and the second string is: the password;

Accessing the WiFi network according to the service set identifier and password.

It can be seen that the embodiment of the present application provides an electronic device, which obtains a MAC address in each multicast frame by fetching and parsing a multicast frame sent by another electronic device, and de-maps each MAC address to obtain each IP address, and is inverse for each IP address. The code obtains the characters corresponding to each IP address, and determines the service set identifier and password of the WiFi network to be accessed according to the characters corresponding to the respective IP addresses. Instead of manually configuring the WiFi parameters, the WiFi network can be quickly accessed.

For the specific implementation of the various steps of the method and the related explanations, refer to the method embodiment shown in FIG. 3 above, and no further details are provided herein.

In addition, other implementation manners of the WiFi connection method implemented by the processor 101 to execute the program stored in the memory 103 are the same as those mentioned in the foregoing method embodiment, and are not described herein again.

The communication bus mentioned in the above electronic device may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in the figure, but it does not mean that there is only one bus or one type of bus.

The communication interface is used for communication between the above electronic device and other devices.

The memory may include a random access memory (RAM), and may also include a non-volatile memory (NVM), such as at least one disk storage. Optionally, the memory may also be at least one storage device located away from the aforementioned processor.

The above processor may be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; or may be a digital signal processing (DSP), dedicated integration. Application Specific Integrated Circuit (ASIC), Field-Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component.

The embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium stores instructions, when executed on a computer, causing the computer to execute the WiFi applied to the first electronic device in the foregoing embodiment. connection method.

By running the computer program product provided by the embodiment of the present application, each character in the service set identifier and the password of the WiFi network to be accessed by other electronic devices is encoded as an IP address, and mapped to a MAC address, and then sent by each MAC address. Multicast frame of the destination address. In this way, other electronic devices can capture and parse the multicast frame to obtain the server ID and password. Instead of manually configuring the WiFi parameters on other electronic devices, other electronic devices can quickly access the WiFi network. .

The embodiment of the present application further provides a computer readable storage medium, where the computer readable storage medium stores instructions, when executed on a computer, causing the computer to execute the WiFi connection applied to the second electronic device in the above embodiment. method.

By running the computer program product provided by the embodiment of the present application, the multicast frame sent by the other electronic device is captured and parsed, and the MAC address in each multicast frame is obtained, and each IP address is inversely mapped to obtain each IP address, and each IP address is obtained. The address is reverse-encoded to obtain the characters corresponding to the IP addresses. The service set identifier and password of the WiFi network to be accessed are determined according to the characters corresponding to the IP addresses. Instead of manually configuring the WiFi parameters, the WiFi network can be quickly accessed.

It should be noted that, in this context, relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply such entities or operations. There is any such actual relationship or order between them. Furthermore, the term "comprises" or "comprises" or "comprises" or any other variations thereof is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also Other elements, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

The various embodiments in the present specification are described in a related manner, and the same or similar parts between the various embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the apparatus, the electronic device, and the computer readable storage medium embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.

The above description is only the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application are included in the scope of the present application.

Claims

A WiFi connection method, which is applied to a first electronic device, the method comprising:

For each character in the first character string and the second character string, the character is encoded to obtain an IP address corresponding to the character, where the first character string is: a WiFi network to be accessed by the second electronic device The service set identifier, the second character string is: a password of a WiFi network to be accessed by the second electronic device;

Mapping the IP address corresponding to each character to a MAC address;

And periodically transmitting, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address, so that the second electronic device captures and parses the multicast frame, and obtains the service set identifier and the Said password, accessing said WiFi network according to said service set identifier and said password.
The method according to claim 1, wherein the step of encoding the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character comprises:

Determining, according to a category of the character string in which the character is located, a value of a first preset bit of the IP address corresponding to the character;

Determining, according to the sequence number of the character in the character string, a value of a second preset bit of the IP address corresponding to the character;

Determining, by the content of the character, a value of a third preset bit of the IP address corresponding to the character, where the first preset bit, the second preset bit, and the third The sum of the number of bits of the preset bit is determined by the mapping relationship between the IP address and the MAC address.
The method according to claim 2, wherein the number of the third preset bits is greater than or equal to 16 bits;

The determining, according to the content of the character, the value of the third preset bit of the IP address corresponding to the character, includes:

Encoding the character into two bytes according to a high nibble and a low nibble of the first code value, where the first code value is: a code value corresponding to the character in a preset encoding rule ;

And determining, according to the encoded two bytes, a value of a third preset bit of the IP address corresponding to the character.
The method according to claim 3, wherein said step of encoding said character into two bytes according to a high nibble and a low nibble of said first code value comprises:

Determining, according to a lower nibble of the second code value, a high nibble of the first byte of the two bytes, wherein the second code value is: a previous character in the character string of the character is in advance Set the corresponding code value in the coding rule;

Determining a lower nibble of the first byte according to a high nibble of the first code value;

Determining a high nibble of a second byte of the two bytes according to a high nibble of the first code value;

Determining a lower nibble of the second byte according to a lower nibble of the first code value;

And the step of determining, according to the encoded two bytes, a value of a third preset bit of the IP address corresponding to the character, including:

Determining, by the first byte, a value of a first preset 8-bit in the third preset bit;

Determining, by the second byte, a value of a second preset 8-bit in the third preset bit.
The method of claim 1 further comprising:

Receiving the information that the second electronic device feeds back successfully to the WiFi network, and ending the step of periodically transmitting, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address.
A WiFi connection device is characterized in that it is applied to a first electronic device, and the device includes:

The encoding module is configured to encode the character for each character in the first character string and the second character string to obtain an IP address corresponding to the character, where the first character string is: the second electronic device is to be a service set identifier of the accessed WiFi network, where the second character string is: a password of the WiFi network to be accessed by the second electronic device;

a mapping module, configured to map an IP address corresponding to each character to a MAC address;

a sending module, configured to periodically send, to the second electronic device, a multicast frame that is obtained by mapping each MAC address as a destination address, so that the second electronic device captures and parses the multicast frame, to obtain the The service set identifier and the password are accessed according to the service set identifier and the password to the WiFi network.
The apparatus according to claim 6, wherein the encoding module comprises:

a first determining submodule, configured to determine, according to a category of the character string in which the character is located, a value of a first preset bit of the IP address corresponding to the character;

a second determining submodule, configured to determine, according to the sequence number of the character in the character string, a value of a second preset bit of the IP address corresponding to the character;

a third determining submodule, configured to determine, according to the content of the character, a value of a third preset bit of the IP address corresponding to the character, where the first preset bit and the second pre The sum of the bits of the bit and the third predetermined bit is determined by the mapping relationship between the IP address and the MAC address.
The apparatus according to claim 7, wherein the number of the third preset bits is greater than or equal to 16 bits;

The third determining submodule includes:

a coding unit, configured to encode the character into two bytes according to a high nibble and a low nibble of the first code value, where the first code value is: the character is in a preset encoding rule Corresponding code value;

And a determining unit, configured to determine, according to the encoded two bytes, a value of a third preset bit of the IP address corresponding to the character.
The apparatus according to claim 8, wherein the coding unit comprises:

a first determining subunit, configured to determine a high nibble of the first byte of the two bytes according to a lower nibble of the second code value, where the second code value is: a character of the character The code value corresponding to the previous character in the string in the preset encoding rule;

a second determining subunit, configured to determine a lower nibble of the first byte according to a high nibble of the first code value;

a third determining subunit, configured to determine a high nibble of the second byte of the two bytes according to the high nibble of the first code value;

a fourth determining subunit, configured to determine a lower nibble of the second byte according to a lower nibble of the first code value;

The determining unit includes:

a fifth determining subunit, configured to determine the first byte as a value of a first preset 8-bit in the third preset bit;

And a sixth determining subunit, configured to determine the second byte as a value of a second preset 8-bit in the third preset bit.
The device according to claim 6, wherein the device further comprises:

a receiving module, configured to receive information that the second electronic device feeds back successfully to the WiFi network, and end the sending module to periodically send each MAC address obtained by mapping to the second electronic device as a destination address. The step of multicasting frames.
An electronic device, comprising: a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory complete communication with each other through the communication bus;

a memory for storing a computer program;

The method of any one of claims 1-5 is implemented when the processor is configured to execute a program stored on the memory.
A computer readable storage medium, wherein the computer readable storage medium stores a computer program, the computer program being executed by a processor to implement the method steps of any of claims 1-5.