CN115988472A - Network connection method and ZigBee device - Google Patents
Network connection method and ZigBee device Download PDFInfo
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- CN115988472A CN115988472A CN202211589517.XA CN202211589517A CN115988472A CN 115988472 A CN115988472 A CN 115988472A CN 202211589517 A CN202211589517 A CN 202211589517A CN 115988472 A CN115988472 A CN 115988472A
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Abstract
The present disclosure provides a network connection method, executed by a ZigBee terminal, including: in response to receiving a scanning instruction sent by a ZigBee gateway, sending a scanning response to the ZigBee gateway so that the ZigBee gateway discovers the ZigBee terminal; and after receiving the network access invitation instruction sent by the ZigBee gateway, sending a network access invitation response to the ZigBee gateway so that the ZigBee terminal establishes network connection with the ZigBee gateway. The disclosure also relates to a ZigBee device.
Description
Technical Field
The disclosure relates to the technical field of ZigBee, in particular to a network connection method and ZigBee equipment.
Background
The ZigBee terminals on the market are rich and diverse at present, and for example, zigBee bulbs, zigBee environment detectors, zigBee sound equipment and the like exist. Before the ZigBee terminal is used, a network access process needs to be executed firstly, and the ZigBee terminal can be normally used after successful configuration.
The network access mentioned here means that the ZigBee terminal needs to join an existing internet (e.g. mesh, star, etc. network structure) to establish a wireless communication connection, and transmit data information based on the ZigBee channel. Since a computing ZigBee terminal (e.g. a user ZigBee terminal) for controlling a ZigBee terminal is usually accessed to a TCP/IP protocol ethernet or a wireless network conforming to IEEE802.1, etc., and the ZigBee terminal cannot exist in isolation, a communication mechanism between any ZigBee terminal and any computing ZigBee terminal on the ethernet is generally called network access. After successful network access, the ZigBee terminal information, the generated command information or the information change value of the ZigBee terminal can be converted to the ZigBee terminal on the network through the existing Internet. In this case, the ZigBee gateway ZigBee terminal having the protocol interworking function may be configured to translate, switch, or synthesize the protocol content or channel between ZigBee and ethernet.
Executing a network access process on the ZigBee terminal requires that the ZigBee terminal currently enters a network distribution state, and the ZigBee gateway for configuring each ZigBee terminal also needs to start an open network access function. In this case, if other operators perform the same operation, the ZigBee terminal may be mistakenly accessed. Therefore, whether the ZigBee terminal or the ZigBee gateway is to be accessed, there is a constraint that a specific manner is required to trigger the open access process when the open access function is started. For example, in an exemplary home network structure shown in fig. 1, specific ways for triggering the open network entry/network entry process are, for example, the following two.
1. Triggered by long pressing of a key
For example, a key is arranged on the housing of the ZigBee gateway 1, and the open access process can be triggered and started (or initialized) by pressing the key for a few seconds, or a timing socket 6 can be added in the home network when the ZigBee gateway 1 is in existence, and an operator can trigger the ZigBee gateway to enter the open access state by pressing the key 61 arranged on the housing for a long time.
2. Power-on trigger by continuous multiple power-off
For some ZigBee terminals that do not have such a trigger button or that are not directly accessible to the operator, e.g. with a ZigBee light bulb 4, it can be operated with its electrically coupled wall switch 3, e.g. it can be repeatedly switched on-off with switch button 31, powering it off-on several times (preventing a single power-up and power-down false trigger) to trigger a state of entering a network entry request.
Disclosure of Invention
One of the objects of one or more embodiments of the present disclosure is to provide a network connection method and a ZigBee device.
According to a first aspect of the embodiments of the present disclosure, there is provided a network connection method, performed by a ZigBee terminal, including: in response to receiving a scanning instruction sent by a ZigBee gateway, sending a scanning response to the ZigBee gateway so that the ZigBee gateway discovers the ZigBee terminal; and after receiving the network access invitation instruction sent by the ZigBee gateway, sending a network access invitation response to the ZigBee gateway so that the ZigBee terminal establishes network connection with the ZigBee gateway.
In some embodiments, the method further comprises: and carrying information whether the ZigBee terminal is bound with the user or not in the sent scanning response.
In some embodiments, the method further comprises: monitoring scanning instructions from a ZigBee gateway on one or more channels in response to the ZigBee terminal being in an initial state or an offline state; and responding to the ZigBee terminal and the ZigBee gateway to establish network connection and entering a networking state.
In some embodiments, the offline state comprises a first offline state or a second offline state, wherein the initial state corresponds to an unbound user of the ZigBee terminal; the first off-line state corresponds to an unbound user of the ZigBee terminal; and the second offline state corresponds to the ZigBee terminal bound user.
In some embodiments, the method further comprises: responding to a network access invitation instruction of the ZigBee gateway received by the ZigBee terminal in a second off-line state, and judging whether the ZigBee gateway is the ZigBee gateway connected with the ZigBee terminal last time; and responding to the ZigBee gateway determined to be the ZigBee gateway connected with the ZigBee terminal last time, and sending a network access invitation response to the ZigBee gateway.
In some embodiments, the networking state comprises a first networking state or a second networking state, the method further comprising: responding to the ZigBee terminal receiving a scanning instruction in an initial state so as to establish network connection with the ZigBee gateway, and entering a first networking state; responding to a scanning instruction received by the ZigBee terminal in a first off-line state so as to establish network connection with the ZigBee gateway, and entering a first networking state; and responding to the ZigBee terminal receiving a scanning instruction in the second off-line state, so as to establish network connection with the ZigBee gateway and enter the second networking state.
In some embodiments, the method further comprises: and responding to the fact that the ZigBee terminal receives binding information sent by the ZigBee gateway in a first networking state, storing the binding information and entering a second networking state, wherein the binding information comprises the corresponding relation between a user and the ZigBee terminal.
In some embodiments, the method further comprises: and carrying the state of the ZigBee terminal in the sent scanning response so that the ZigBee gateway can determine whether the ZigBee terminal is bound with a user or not according to the state of the ZigBee terminal.
In some embodiments, the method further comprises: and indicating the current state of the ZigBee terminal through different performances of an indicator light, a prompt tone and/or vibration.
In some embodiments, a specific field in the scan instruction is encrypted with a key of the ZigBee gateway, the method further comprising: and decrypting and verifying the specific field by using a key of the ZigBee terminal, and sending the scanning response in response to the verification passing.
In some embodiments, the method further comprises: and responding to a specific physical trigger, and enabling the ZigBee terminal to enter a distribution network state so that the ZigBee terminal actively discovers and connects with the ZigBee gateway.
In some embodiments, the method further comprises: responding to the ZigBee terminal to establish network connection in a distribution network state, and entering a first networking state; and responding to the situation that the ZigBee terminal does not establish network connection within the preset time in the distribution network state, and returning to the state before entering the distribution network state.
According to a second aspect of the embodiments of the present disclosure, there is provided a network connection method, performed by a ZigBee gateway, including: sending a scanning instruction in response to a specific physical trigger; responding to a received scanning response sent by a ZigBee terminal, discovering the ZigBee terminal and sending a network access invitation instruction to the ZigBee terminal; and establishing network connection with the ZigBee terminal in response to receiving a network access invitation response sent by the ZigBee terminal.
In some embodiments, the method further comprises: and determining whether the ZigBee terminal is bound with the user or not according to the information carried in the scanning response.
In some embodiments, the status of the ZigBee terminal is carried in the scan response, and the method further comprises: and determining whether the ZigBee terminal is bound with a user according to the state of the ZigBee terminal.
In some embodiments, the state of the ZigBee terminal includes an initial state, a first offline state, or a second offline state, and the method further comprises: responding to the condition that the ZigBee terminal is in an initial state, and determining that the ZigBee terminal is an unbound user; responding to the condition that the ZigBee terminal is in a first off-line state, and determining that the ZigBee terminal is an unbound user; and determining that the ZigBee terminal is a bound user in response to the fact that the ZigBee terminal is in the second off-line state.
In some embodiments, the method further comprises: and receiving binding information of a user to the ZigBee terminal from a home network end, and sending the binding information to the ZigBee terminal, wherein the binding comprises the corresponding relation between the user and the ZigBee terminal.
In some embodiments, the method further comprises: and encrypting a specific field key in the scanning instruction by using the own key before sending the scanning instruction.
According to a third aspect of the embodiments of the present disclosure, there is provided a network connection method, including: responding to a specific physical trigger, and sending a scanning instruction by the ZigBee gateway; the ZigBee terminal in an initial state or an off-line state monitors a specific ZigBee channel and responds to the received scanning instruction and sends a scanning response to the ZigBee gateway; in response to receiving the scanning response, the ZigBee gateway sends a network-access invitation instruction to the ZigBee terminal; after receiving the network-accessing offer instruction, the ZigBee terminal sends a network-accessing offer response to the ZigBee gateway; and the ZigBee gateway receives the network access invitation response, so that the ZigBee terminal establishes network connection with the ZigBee gateway.
In some embodiments, the method further comprises: the ZigBee terminal carries information whether the ZigBee terminal is bound with the user or not in the scanning response; and the ZigBee gateway determines whether the ZigBee terminal is bound with the user or not according to the information.
In some embodiments, the method further comprises: the ZigBee terminal carries the state of the ZigBee terminal in the scanning response, and the state of the ZigBee terminal comprises an initial state, a first off-line state or a second off-line state; and responding to the state of the ZigBee terminal as an initial state, the ZigBee gateway determines that the ZigBee terminal is not bound with a user, responding to the state of the ZigBee terminal as a first off-line state, the ZigBee gateway determines that the ZigBee terminal is not bound with the user, and responding to the state of the ZigBee terminal as a second off-line state, the ZigBee gateway determines that the ZigBee terminal is bound with the user.
In some embodiments, the method further comprises: the ZigBee gateway receives binding information of a user on the ZigBee terminal from a home network end and sends the binding information to the ZigBee terminal, and the binding comprises a corresponding relation between the user and the ZigBee terminal; and in response to receiving the binding information, the ZigBee terminal stores the binding information.
In some embodiments, the method further comprises: before the scanning instruction is sent, the ZigBee gateway encrypts a specific field in the scanning instruction by using a self secret key; and the ZigBee terminal decrypts and verifies the specific field by using a self secret key, and sends the scanning response in response to the verification passing.
According to a fourth aspect of embodiments of the present disclosure, there is provided a ZigBee device comprising: a memory; and a processor coupled to the memory and configured to perform the method of any of the above embodiments based on instructions stored in the memory. The technical solution of the present disclosure is further described in detail by the accompanying drawings and examples.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a home network structure in the prior art.
Fig. 2A is a flow diagram of at least a portion of a network connection method according to some embodiments of the present disclosure.
Fig. 2B is a flow diagram of at least a portion of a network connection method according to some embodiments of the present disclosure.
Fig. 3 is a schematic diagram of information interaction of at least part of a network connection method according to some embodiments of the present disclosure.
Fig. 4 is a state transition diagram of a ZigBee terminal according to some embodiments of the present disclosure.
Fig. 5 is a schematic diagram of a home network architecture according to some embodiments of the present disclosure.
Fig. 6 is a schematic diagram of a home network architecture according to some embodiments of the present disclosure.
Fig. 7 is a schematic structural diagram of a ZigBee device according to some embodiments of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods and ZigBee terminals known to a person of ordinary skill in the related art may not be discussed in detail, but should be considered as part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The inventor notices that under the conditions of replacing the ZigBee gateway, deleting the ZigBee terminal by mistake and the like, if the ZigBee terminal is to be continuously controlled, the ZigBee terminal needs to execute a network access process again. For example, in the home network structure shown in fig. 1, if the ZigBee gateway 1 is replaced, or the ZigBee light bulb 5 is moved out of the wireless radiation range of the ZigBee gateway 1, so that the ZigBee light bulb 5 is offline, or the ZigBee light bulb 5 is mistakenly deleted by an operator, in order to normally use the ZigBee light bulb 5, the network entry process needs to be executed again on the ZigBee light bulb 5. However, due to the installation position or the circuit wiring, it is not easy to trigger the ZigBee light bulb 5 to enter the network access process. In order to enable a ZigBee terminal to conveniently access a network, the inventors provide the following method.
Fig. 2A is a flow diagram of at least a portion of a network connection method according to some embodiments of the present disclosure. The method may be performed by a ZigBee terminal. The method may include steps S210 and S220 as described below.
In step S210, in response to receiving the scanning instruction sent by the ZigBee gateway, the ZigBee terminal sends a scanning response to the ZigBee gateway, so that the ZigBee gateway discovers the ZigBee terminal. In step S220, after receiving the network entry invitation instruction sent by the ZigBee gateway, the ZigBee terminal sends a network entry invitation response to the ZigBee gateway, so that the ZigBee terminal establishes network connection with the ZigBee gateway.
Fig. 2B is a flow diagram of at least a portion of a network connection method according to some embodiments of the present disclosure. The method may be performed by a ZigBee gateway. The method may include steps S250 to S270 as described below.
In step S250, in response to a specific physical trigger, the ZigBee gateway transmits a scan instruction. In step S240, in response to receiving the scanning response sent by the ZigBee terminal, the ZigBee gateway discovers the ZigBee terminal and sends a network entry offer instruction to the ZigBee terminal. In step S250, in response to receiving a network access offer response sent by the ZigBee terminal, the ZigBee gateway establishes network connection with the ZigBee terminal.
As some implementation manners, the ZigBee gateway in the present application may be a multi-mode ZigBee gateway, that is, a gateway which is composed of 8197FS and ZS3L (ZigBee + BLE) modules and supports multi-protocol communication of Wi-Fi + bluetooth (mesh & BLE) + ZigBee.
Specific physical triggering can be initiated manually, so that the scanning process of the ZigBee gateway is triggered, and the ZigBee gateway sends a scanning instruction according to a preset rule. In some examples, the specific physical trigger may comprise a mechanical operation, such as pressing a specific key associated with the ZigBee gateway in a specific manner, or the like. In some examples, the particular physical trigger may comprise an electronic operation, for example a user may operate an application associated with the ZigBee gateway to trigger a scanning process of the ZigBee gateway.
The preset rule for the ZigBee gateway to send the scanning instruction may include one of the following:
1. a channel is appointed in advance, and the ZigBee terminal monitors the channel at regular time. After triggering the scanning process of the ZigBee gateway, the ZigBee gateway sends a scanning instruction to the channel; and the ZigBee terminal sends a scanning response after monitoring.
2. After a scanning process of the ZigBee gateway is triggered, the ZigBee gateway randomly selects one channel in a predetermined channel set to send a scanning instruction; the ZigBee terminal monitors each channel in a predetermined channel set in turn, and sends a scanning response after monitoring a scanning instruction. The predetermined channel set may include all channels supporting the ZigBee communication protocol, or only a part of all channels supporting the ZigBee communication protocol.
3. After a scanning process of the ZigBee gateway is triggered, the ZigBee gateway sends a scanning instruction on each channel in a predetermined channel set; the ZigBee terminal randomly selects a channel to monitor, and sends a scanning response after monitoring a scanning instruction.
In step S210, the ZigBee gateway can send a scan instruction, and accordingly, the ZigBee terminal can send a scan response when receiving the scan instruction, so that the ZigBee gateway can discover nearby ZigBee terminals. It should be understood that discovery here means that a ZigBee terminal can be sensed by antenna devices on electronic ZigBee terminals having a ZigBee channel around it or at least being able to switch ZigBee and other protocol channels, and this sensing is figuratively referred to as "discovery". In this context, any ZigBee terminal can transmit an electromagnetic signal to the outside world, for example, through a content power device, and the electromagnetic signal can be coupled to other receiving ZigBee terminals, for example, in a resonant manner. In contrast, the "not discoverable" referred to herein does not merely represent the opposite meaning of the above, and sometimes means that even if the coupling is formed, the transmission request of the ZigBee terminal is ignored by the specific processing of the protocol contents, and sometimes may be specific mask information contents.
In some embodiments, in a case where a plurality of ZigBee gateways all transmit a network entry offer instruction to the same ZigBee terminal, the ZigBee terminal may transmit a network entry offer response to only one of the ZigBee gateways, thereby establishing a network connection with the ZigBee gateway.
In the above embodiment, the ZigBee terminal does not need to be triggered to perform network access configuration by using a specific operation mode such as long pressing of a key or continuous power off and power on for multiple times, which is mentioned in the background art, but a simple network access discovery mode is provided, in which after the ZigBee gateway discovers the ZigBee terminal, the ZigBee terminal can automatically access the network in response to a network access invitation. Therefore, the network access process of the ZigBee terminal becomes simpler and more convenient, and the improvement of user experience is facilitated. In the actual application, the ZigBee terminal is inconvenient to be distributed during installation, the network access process is triggered through specific operation after the installation is finished, and the network access method can be very convenient when the network access method is used.
Fig. 3 is a schematic diagram of information interaction of at least part of a network connection method according to some embodiments of the present disclosure. As shown in fig. 3, in response to a specific physical trigger, the ZigBee gateway transmits a scan instruction. The ZigBee terminal listens to a particular ZigBee channel (e.g. when in an initial state or an off-line state) and, in response to receiving a scan instruction, sends a scan response to the ZigBee gateway. And responding to the received scanning response, and the ZigBee gateway sends a network access invitation instruction to the ZigBee terminal. And after receiving the network access invitation instruction, the ZigBee terminal sends a network access invitation response to the ZigBee gateway. And the ZigBee gateway receives the network access invitation response, so that the ZigBee terminal and the ZigBee gateway establish network connection.
In some embodiments, certain fields in the scan instruction may be encrypted with the key of the ZigBee gateway. In this case, the ZigBee terminal may decrypt and authenticate the specific field with its own key, and transmit a scan response in response to the authentication passing. As some implementation manners, the secret key may be preset and written into hardware of the ZigBee device (including the ZigBee gateway and the ZigBee terminal), respectively. The keys of ZigBee devices of the same brand or manufacturer may be the same. The key is set to be beneficial to preventing the ZigBee gateway from scanning the ZigBee terminals of other brands or manufacturers to cause the phenomenon of mistaken network access, and the use experience of a user is promoted.
It should be understood that, after the ZigBee terminal is bound with the user, the user can operate the ZigBee terminal to implement various functions. For example, a user may set information in advance in a certain driving process, so as to repeatedly operate the function of the ZigBee terminal owned by the user at any time within a period of time, and the function is not changed at will. As some implementations, the binding of the ZigBee terminal to the user may include binding the ZigBee terminal to an account of the user or an ID of the user, and the account of the user may be shared by a plurality of user terminals.
In some embodiments, the information whether the ZigBee terminal has bound the user is carried in the sent scanning response. As some implementation manners, as shown in fig. 3, information of whether the ZigBee terminal has bound the user may be represented by a state of the ZigBee terminal, which will be described below, and a scanning response sent by the ZigBee terminal may carry the state of the ZigBee terminal. Therefore, problems can be quickly found and solved in the subsequent condition that the ZigBee terminal breaks down. For example, when a user operates the ZigBee terminal using the user terminal, the user cannot operate the ZigBee terminal, which may be caused by loss of the binding information or a network connection failure, and if it is determined that the binding information is not lost according to the state of the ZigBee terminal at this time, the cause of the problem is likely to be the network connection failure, so that the user can adjust the network in a targeted manner to solve the problem.
Fig. 4 is a state transition diagram of a ZigBee terminal according to some embodiments of the present disclosure, fig. 5 is a schematic diagram of a network system according to some embodiments of the present disclosure, and fig. 6 is a schematic diagram of a network system according to some embodiments of the present disclosure. Several states of the ZigBee terminal will be described below with reference to fig. 3 to 6.
1. Initial state:
in some embodiments, the initial state may be a state where the ZigBee terminal is used for the first time, or a state where the ZigBee terminal is reset after being used. In some embodiments, as shown in fig. 4, the ZigBee terminal may enter a distribution network state (described later) after being triggered in an initial state, and may return to the initial state after the distribution network times out.
Generally, a ZigBee terminal in an initial state is not bound with a user. In some embodiments, in response to the ZigBee terminal being in the initial state, the ZigBee terminal listens for scanning instructions from the ZigBee gateway on one or more channels. That is, when the ZigBee terminal is in an initial state, the ZigBee terminal can be discovered by all ZigBee gateways in the current home environment. As some implementation manners, under the condition of setting the key, the ZigBee terminal can be found by the ZigBee gateway on the premise that the key is correctly verified. In some embodiments, the ZigBee terminal may be invited to the network by all ZigBee gateways in an initial state.
As shown in fig. 5, there may be a ZigBee gateway 1, a home network terminal 2, a user terminal 8, and various ZigBee terminals in a home environment scenario. The ZigBee terminal includes, for example, an intelligent switch panel 3, an intelligent light bulb 4, an intelligent light bulb 5, a timing socket 6, and an environment monitor 7, which are illustrated, and the intelligent switch panel 3 and the intelligent light bulb 4 are connected by a wire 34. In the initial state, the smart bulb 4 can be found by all ZigBee gateways in the current scene, so that the smart bulb 4 can remind the operator in a flashing manner that the current bulb 4 is in the initial state or in a brand new state waiting to be invited to network by all ZigBee gateways. Of course, it is also possible to sound or prompt the user that the smart light bulb 4 is currently ready to enter the next state by means of the buzzer/speaker 12 on the ZigBee gateway 1 in its vicinity.
For another example, as shown in fig. 6, there may be a home network terminal 2, a ZigBee gateway 100, a ZigBee gateway 200, a ZigBee gateway 300, and an environment detector 7 in a home environment scenario. With the environment monitor 7 in the initial state, the environment monitor 7 can be discovered and invited to the network by all ZigBee gateways that can discover the environment monitor 7. For example, the environment monitor 7 may be simultaneously discovered by the ZigBee gateways 100, 200 and 300, the ZigBee gateway 300 may alert "discover environment monitor" through its speaker 302, and the operator may confirm the confirmation feedback on the discovery process by pressing the button 301. Similarly, the ZigBee gateway 100 may also prompt the operator with the speaker 102, and when both ZigBee terminals of the ZigBee gateway make the same electronic prompt, the operator may also continuously press the button 101 on the ZigBee gateway 100 to let the ZigBee gateway 100 ignore the environment detector 7.
2. Networking state:
in some embodiments, the ZigBee terminal enters a networking state in response to the ZigBee terminal establishing a network connection with the ZigBee gateway. In some embodiments, in the networking state, the ZigBee terminal is not discoverable by the ZigBee gateway, nor invites to the network by the ZigBee gateway. Therefore, the method is beneficial to avoiding that the user unnecessarily uses the user terminal to screen and filter the existing ZigBee device, and is beneficial to improving the use experience of the user. As some implementations, the networking status may include a first networking status corresponding to a networking status of an unbound user of the ZigBee terminal and a second networking status corresponding to a networking status of a bound user of the ZigBee terminal.
2.1, first networking state:
as some implementations, as shown in fig. 4, in response to the ZigBee terminal receiving a scan instruction in an initial state to establish a network connection with the ZigBee gateway, the ZigBee terminal enters a first networking state. As other implementations, in response to the ZigBee terminal receiving a scanning instruction in a first offline state (which will be described later, an offline state of an unbound user) to establish a network connection with the ZigBee gateway, the ZigBee terminal enters the first networking state. Accordingly, in response to the ZigBee terminal losing contact with the ZigBee gateway in the first networking state, for example, due to the ZigBee device moving, the ZigBee terminal being out of coverage of the ZigBee gateway, or due to the ZigBee device failing/powering off, actively disconnecting, etc., the ZigBee terminal enters the first offline state.
As some implementations, in the first networking state, the ZigBee terminal may not be discovered by the ZigBee gateway, nor may it be invited to network by the ZigBee gateway. For example, as shown in fig. 5, in a first networking state, the smart light bulb 4 cannot be discovered and invited to network by any ZigBee gateway under all current scenarios.
In some embodiments, when the ZigBee terminal enters the initial state, the user may set a group or sub-group of devices, for example, the bulbs 4 and 5 create a group 51 of devices named "light group", and the same function of the bulbs 4, 5 after creating the group 51 of devices may be written in the networking data, so that the ZigBee gateway 1 may synchronously control these smart bulbs in batches.
2.2, second networking state:
as some implementation manners, as shown in fig. 4, in response to the ZigBee terminal receiving the binding information sent by the ZigBee gateway in the first networking state, the ZigBee terminal stores the binding information and enters the second networking state, where the binding information includes a correspondence relationship between a user and the ZigBee terminal, and thus the ZigBee terminal enters the second networking state.
Taking the intelligent bulb 4 shown in fig. 5 as an example, a preset time limit (for example, within 30s after entering the first networking state) may be set, and the preset time limit is sent to the ZigBee gateway 1 to set whether the intelligent bulb 4 needs to be bound by the user, if the binding is successful, the intelligent bulb 4 enters the second networking state, and if the binding is not successful, the first networking state is maintained, and at this time, the information of the bulb 4 may still be sent to the ZigBee gateway 1 and temporarily stored until the time limit that the intelligent bulb needs to be bound by the user exceeds.
As another implementation manner, as shown in fig. 4, in response to the ZigBee terminal receiving a scanning instruction in the second offline state (which will be described later, the offline state of the bound user) so as to establish a network connection with the ZigBee gateway, the ZigBee terminal enters the second networking state. Accordingly, in response to the ZigBee terminal losing contact with the ZigBee gateway in the second networking state, for example, due to the ZigBee device moving, the ZigBee terminal is out of the coverage of the ZigBee gateway, or due to the ZigBee device failing/powering off, actively disconnecting, or the like, the ZigBee terminal enters the second offline state.
In some embodiments, in the second networking state, the light bulb 4 may not be discovered and invited to the network by all ZigBee gateways. It should be noted that at this time, if the bulb 4 goes offline again, the offline state is entered, but the bulb 4 and the ZigBee gateway 1 can still normally establish communication.
In some embodiments, in the second networked state, an automated process may be visually created by user terminal 8. For example, the timing outlet 6 may form a new group with the ZigBee terminal group 51. In an implementation scheme, the sockets of the socket 6 and the adjusting functions of the smart bulb 4 are different, and the communication between the ZigBee terminal and the ZigBee gateway in the second networking state or the second offline state to be described below can also be realized through the automatic setting.
3. An off-line state:
and after the ZigBee terminal loses contact with the ZigBee gateway, the ZigBee terminal enters an off-line state. In some embodiments, in response to the ZigBee terminal being in an offline state, scanning instructions from the ZigBee gateway are listened to on one or more channels. As some implementations, the offline state includes a first offline state or a second offline state. The first off-line state corresponds to a ZigBee terminal unbound user; the second offline state corresponds to a ZigBee terminal bound user.
3.1 first offline state:
in some embodiments, the ZigBee terminal enters the first offline state in response to the ZigBee terminal losing contact with the ZigBee gateway in the first networking state. And in response to the ZigBee terminal being in the first offline state, monitoring scanning instructions from the ZigBee gateways (namely, the scanning instructions can be found by all the ZigBee gateways) on one or more channels, and in response to the network-entry invitation sent by the ZigBee gateways, sending a network-entry invitation response to the ZigBee gateways (namely, the scanning instructions can be invited by all the ZigBee gateways to enter the network).
Taking the intelligent bulb 4 shown in fig. 5 as an example, at this time, if the ZigBee gateway 1 determines that the intelligent bulb 4 is offline, the intelligent bulb 4 enters an offline state. However, in this case, the ZigBee protocol communication can still be normally established between the smart bulb 4 and the ZigBee gateway 1. In some embodiments, the on-off state of the intelligent light bulb 4 can still be controlled by any key of the intelligent switch 3. In some embodiments, the first networking state will be entered from the first offline state if the smart light bulb 4 is brought online again.
3.2 second offline state:
in some embodiments, the ZigBee terminal enters the second offline state in response to the ZigBee terminal losing contact with the ZigBee gateway in the second networking state. In some embodiments, in response to the ZigBee terminal receiving an access invitation instruction of the ZigBee gateway in the second offline state, determining whether the ZigBee gateway is the ZigBee gateway to which the ZigBee terminal is connected last time; and responding to the ZigBee gateway which is determined to be connected with the ZigBee terminal last time, and sending a network access invitation response to the ZigBee gateway. Here, the ZigBee gateway to which the ZigBee terminal is connected last time is the ZigBee gateway to which the ZigBee terminal is connected when the ZigBee gateway has the current bound user state.
It should be noted that in the first offline state, the ZigBee terminal can be discovered by all nearby ZigBee gateways and invited to a network, but in the second offline state, the ZigBee terminal can only be discovered by the ZigBee gateway to which it is connected last time and invited to a network.
Taking fig. 6 as an example, if the environment monitor 7 is connected to the ZigBee gateway 100 and is bound to a user, the environment monitor 7 will enter a second networking state. If the environment monitor 7 loses the contact of the ZigBee gateway 100, the environment monitor 7 will enter a second offline state, and at this time, the environment monitor 7 will only be discovered by the ZigBee gateway 100 and invite to enter the network.
4. And (3) distribution network state:
in some embodiments, in response to a specific physical trigger, the ZigBee terminal enters a distribution network state so that the ZigBee terminal actively discovers and connects with the ZigBee gateway. In some examples, the specific physical trigger may comprise a mechanical operation, such as pressing a specific key associated with the ZigBee terminal in a specific manner, or the like. In some examples, the particular physical trigger may comprise an electronic operation, for example a user may operate an application associated with the ZigBee terminal to trigger the ZigBee terminal to enter a distribution network state.
It should be appreciated that the physical triggering of entering the distribution network mode is different from the discovery of the network entry shown in fig. 2 in two ways. Compared with a method for entering a distribution network mode through physical triggering, the method for entering the network is simpler and more convenient, and a user does not need to perform specific physical triggering on the ZigBee terminal. In addition, under the network access mode, the ZigBee gateway actively sends out a scanning instruction, and the ZigBee terminal is only responsible for monitoring; when a scanning instruction is monitored and responded, the ZigBee terminal is found by the ZigBee gateway, so that the process that the ZigBee gateway invites the ZigBee terminal to enter the network is entered. And in the state of the distribution network, the ZigBee terminal can not be discovered by the ZigBee gateway and can not be invited to access the network by the ZigBee gateway, and only the ZigBee terminal can actively discover and connect the ZigBee gateway.
As some implementations, as shown in fig. 4, the smart bulb 4 may enter the distribution network state in response to a specific physical trigger in an initial state, a first networking state, a second networking state, a first offline state, a second offline state. As some implementations, the particular physical trigger may be a mechanical toggling of the switch button 31 (e.g., repeated powering on and off five times or more).
It should be noted that, when the ZigBee terminal is in any of the above states, including the initial state, the first and second networking states, and the first and second offline states, the ZigBee terminal may be triggered to enter the distribution network state. In some embodiments, in response to the ZigBee terminal establishing a network connection in the distribution network state, entering a first networking state; and responding to the situation that the ZigBee terminal does not establish network connection within the preset time (namely, network distribution overtime) in the network distribution state, and returning to the state before entering the network distribution state.
In some embodiments, in response to the ZigBee terminal being in the distribution network state, the ZigBee terminal may not be discoverable nor invited to the network. For example, as shown in fig. 6, in the distribution network state, only the ZigBee gateway 100, the ZigBee gateway 200, or the ZigBee gateway 300 can be actively searched by the environment monitor 7, but the environment monitor 7 cannot be scanned and found by the ZigBee gateway 100, the ZigBee gateway 200, or the ZigBee gateway 300 in the communication radiation range, and cannot be invited to enter the network by the ZigBee gateway 100, the ZigBee gateway 200, or the ZigBee gateway 300.
For another example, as shown in fig. 5, in the distribution network state, the smart bulb 4 cannot be scanned and found by the ZigBee gateway 1 or other devices having the ZigBee gateway function (for example, the timing socket 6 may also have the ZigBee protocol interworking function). In some embodiments, a state reset time of the kernel driver process of the light bulb 4 may be preset, for example, after a timeout of 2-5 min, the distribution network state is exited to return to the state before the distribution network is triggered. For example, the light bulb 4 may be in a state of being adjusted to a suitable color temperature, color, which may also be recorded by the kernel to ensure that the light bulb is still used continuously, but cannot be manipulated by the ZigBee protocol. In addition, only when the ZigBee gateway 1 is in a network accessible state (for example, pressed by using the key 11), the light bulb 4 may load a network access process, and enter a first network access state after successful network access, in which state the light bulb 4 is not bound with the registered account information of the user.
In some embodiments, the current state of the ZigBee terminal is indicated by different manifestations of indicator lights, alert tones and/or vibrations. For example, the indicator light of the ZigBee terminal is red light breathing indicating that the ZigBee terminal is in a first offline state (unbound user), the red light is normally on indicating a second offline state (bound user), the blue light is breathing indicating a first networking state (unbound user), the blue light is normally on indicating a second offline state (bound user), the blue light is slowly flickering indicating an initial state, and the blue light is rapidly flickering indicating a distribution network state. Therefore, on one hand, the user can intuitively know the current state of the ZigBee terminal, and the user can be helped to analyze when the fault reason of the ZigBee terminal is determined; on the other hand also is convenient for the user to know the position of zigBee terminal to seek zigBee terminal conveniently. In some embodiments, the operator may also carry the ZigBee gateway to find any ZigBee terminal that has gone offline.
In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. For the device embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Fig. 7 is a schematic structural diagram of a ZigBee device according to some embodiments of the present disclosure. As shown in fig. 7, the ZigBee device 900 comprises a memory 910 and a processor 920 coupled to the memory 910, the processor 920 being configured to perform the method of any of the previous embodiments based on instructions stored in the memory 910.
The memory 910 may include, for example, system memory, fixed non-volatile storage media, and the like. The system memory may store, for example, an operating system, application programs, a Boot Loader (Boot Loader), and other programs.
The ZigBee device 900 may further include an input output interface 930, a network interface 940, a storage interface 950, and the like. The interfaces 930, 940, 950 and the memory 910 and the processor 920 may be connected by a bus 960, for example. The input/output interface 930 provides a connection interface for a display, a mouse, a keyboard, a touch screen, and the like, for the input/output ZigBee device. The network interface 940 provides a connection interface for various networked ZigBee devices. The storage interface 950 provides a connection interface for external storage ZigBee devices such as an SD card and a usb disk.
Thus, various embodiments of the present disclosure have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
As will be appreciated by one skilled in the art, embodiments of the present disclosure may be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present disclosure may take the form of a computer program product embodied on one or more computer-usable non-transitory storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present disclosure is described with reference to flowchart illustrations and/or block diagrams of methods, zigBee devices (systems), and computer program products according to embodiments of the disclosure. It will be understood that the functions specified in one or more of the flows in the flowcharts and/or one or more of the blocks in the 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 ZigBee device to produce a machine, such that the instructions, which are executed by the processor of the computer or other programmable data processing ZigBee device, produce means for implementing the functions specified in the flow diagram 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 ZigBee device 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 ZigBee device to cause a series of operational steps to be performed on the computer or other programmable ZigBee device to produce a computer implemented process such that the instructions which execute on the computer or other programmable ZigBee device provide steps for implementing the functions specified in the flow diagram flow or flows and/or block diagram block or blocks.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.
Claims (24)
1. A network connection method, executed by a ZigBee terminal, includes:
in response to receiving a scanning instruction sent by a ZigBee gateway, sending a scanning response to the ZigBee gateway so that the ZigBee gateway discovers the ZigBee terminal; and
after receiving a network access invitation instruction sent by the ZigBee gateway, sending a network access invitation response to the ZigBee gateway so that the ZigBee terminal establishes network connection with the ZigBee gateway.
2. The method of claim 1, further comprising:
and carrying information whether the ZigBee terminal is bound with the user or not in the sent scanning response.
3. The method of claim 1, further comprising:
monitoring scanning instructions from a ZigBee gateway on one or more channels in response to the ZigBee terminal being in an initial state or an offline state; and
and responding to the ZigBee terminal to establish network connection with the ZigBee gateway, and entering a networking state.
4. The method of claim 3, wherein the offline state comprises a first offline state or a second offline state, wherein,
the initial state corresponds to an unbound user of the ZigBee terminal;
the first off-line state corresponds to an unbound user of the ZigBee terminal; and
the second offline state corresponds to the ZigBee terminal bound user.
5. The method of claim 4, further comprising:
responding to a network access invitation instruction of the ZigBee gateway received by the ZigBee terminal in a second off-line state, and judging whether the ZigBee gateway is the ZigBee gateway connected with the ZigBee terminal last time; and
and responding to the ZigBee gateway determined to be the ZigBee gateway connected with the ZigBee terminal last time, and sending a network access invitation response to the ZigBee gateway.
6. The method of claim 4, wherein the networking status comprises a first networking status or a second networking status, the method further comprising:
responding to the ZigBee terminal receiving a scanning instruction in an initial state so as to establish network connection with the ZigBee gateway, and entering a first networking state;
responding to a scanning instruction received by the ZigBee terminal in a first off-line state so as to establish network connection with the ZigBee gateway, and entering a first networking state; and
and responding to the fact that the ZigBee terminal receives a scanning instruction in the second off-line state, so that network connection is established with the ZigBee gateway, and the ZigBee terminal enters the second off-line state.
7. The method of claim 6, further comprising:
and responding to the fact that the ZigBee terminal receives binding information sent by the ZigBee gateway in a first networking state, storing the binding information and entering a second networking state, wherein the binding information comprises the corresponding relation between a user and the ZigBee terminal.
8. The method of claim 4, further comprising:
and carrying the state of the ZigBee terminal in the sent scanning response so that the ZigBee gateway can determine whether the ZigBee terminal is bound with a user according to the state of the ZigBee terminal.
9. The method of claim 6, further comprising:
and indicating the current state of the ZigBee terminal through different performances of an indicator light, a prompt tone and/or vibration.
10. The method of claim 1, wherein a specific field in the scan instruction is encrypted with a key of the ZigBee gateway, the method further comprising:
and decrypting and verifying the specific field by using a key of the ZigBee terminal, and sending the scanning response in response to the verification passing.
11. The method of claim 6, further comprising:
and responding to specific physical trigger, and enabling the ZigBee terminal to enter a distribution network state so that the ZigBee terminal actively discovers and connects with the ZigBee gateway.
12. The method of claim 11, further comprising:
responding to the ZigBee terminal to establish network connection in a distribution network state, and entering a first networking state; and
and responding to the situation that the ZigBee terminal does not establish network connection within the preset time in the distribution network state, and returning to the state before entering the distribution network state.
13. A network connection method, executed by a ZigBee gateway, comprises the following steps:
sending a scanning instruction in response to a specific physical trigger;
responding to the received scanning response sent by the ZigBee terminal, discovering the ZigBee terminal and sending a network access invitation instruction to the ZigBee terminal; and
and establishing network connection with the ZigBee terminal in response to receiving a network access invitation response sent by the ZigBee terminal.
14. The method of claim 13, further comprising:
and determining whether the ZigBee terminal is bound with a user or not according to the information carried in the scanning response.
15. The method according to claim 13, wherein the status of the ZigBee terminal is carried in the scanning response,
the method further comprises the following steps: and determining whether the ZigBee terminal is bound with a user or not according to the state of the ZigBee terminal.
16. The method of claim 15, wherein the state of the ZigBee terminal comprises an initial state, a first offline state, or a second offline state, the method further comprising:
responding to the condition that the ZigBee terminal is in an initial state, and determining that the ZigBee terminal is an unbound user;
responding to the situation that the state of the ZigBee terminal is a first off-line state, and determining that the ZigBee terminal is an unbound user; and
and determining that the ZigBee terminal is a bound user in response to the fact that the ZigBee terminal is in the second off-line state.
17. The method of claim 15, further comprising:
and receiving binding information of a user to the ZigBee terminal from a home network end, and sending the binding information to the ZigBee terminal, wherein the binding comprises the corresponding relation between the user and the ZigBee terminal.
18. The method of claim 13, further comprising:
and before sending the scanning instruction, encrypting a specific field key in the scanning instruction by using a self key.
19. A network connection method, comprising:
responding to a specific physical trigger, and sending a scanning instruction by the ZigBee gateway;
the ZigBee terminal in an initial state or an off-line state monitors a specific ZigBee channel and responds to the received scanning instruction and sends a scanning response to the ZigBee gateway;
in response to receiving the scanning response, the ZigBee gateway sends a network-access invitation instruction to the ZigBee terminal;
after receiving the network access invitation instruction, the ZigBee terminal sends a network access invitation response to the ZigBee gateway; and
and the ZigBee gateway receives the network access invitation response, so that the ZigBee terminal establishes network connection with the ZigBee gateway.
20. The method of claim 19, further comprising:
the ZigBee terminal carries information whether the ZigBee terminal is bound with the user or not in the scanning response; and
and the ZigBee gateway determines whether the ZigBee terminal is bound with the user or not according to the information.
21. The method of claim 19, further comprising:
the ZigBee terminal carries the state of the ZigBee terminal in the scanning response, and the state of the ZigBee terminal comprises an initial state, a first off-line state or a second off-line state; and
responding to the state of the ZigBee terminal as an initial state, the ZigBee gateway determines that the ZigBee terminal is not bound with a user, responding to the state of the ZigBee terminal as a first off-line state, the ZigBee gateway determines that the ZigBee terminal is not bound with the user, and responding to the state of the ZigBee terminal as a second off-line state, the ZigBee gateway determines that the ZigBee terminal is bound with the user.
22. The method of claim 19, further comprising:
the ZigBee gateway receives binding information of a user on the ZigBee terminal from a home network end and sends the binding information to the ZigBee terminal, and the binding comprises a corresponding relation between the user and the ZigBee terminal; and
and responding to the received binding information, and the ZigBee terminal stores the binding information.
23. The method of claim 19, further comprising:
before sending the scanning instruction, the ZigBee gateway encrypts a specific field in the scanning instruction by using a self secret key; and
and the ZigBee terminal decrypts and verifies the specific field by using a self secret key, and sends the scanning response in response to the verification passing.
24. A ZigBee device comprising:
a memory; and
a processor coupled to the memory and configured to perform the method of any of claims 1-18 based on instructions stored in the memory.
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