CN108307542B - Method and device for realizing reconnection of Bluetooth peripheral equipment by intelligent television during Bluetooth adapter replacement - Google Patents
Method and device for realizing reconnection of Bluetooth peripheral equipment by intelligent television during Bluetooth adapter replacement Download PDFInfo
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Abstract
The invention provides a method and a device for connecting a Bluetooth peripheral back to an intelligent television when a Bluetooth adapter is replaced, wherein the method comprises the following steps: sequentially sending a connection request message to each paired Bluetooth peripheral; when a link key request message responded by the Bluetooth peripheral according to the connection request message is received, judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid; if the link key is in failure state, replying a rejection message to the Bluetooth peripheral; regenerating a new connecting key with the Bluetooth peripheral equipment, and marking the state of the new link key as valid; and carrying out Bluetooth connection with the Bluetooth peripheral equipment through the new link key. Therefore, the invention can realize that the intelligent television automatically connects the Bluetooth peripheral when the Bluetooth adapter is replaced, thereby reducing the user operation.
Description
Technical Field
The invention relates to the technical field of Bluetooth, in particular to a method and a device for connecting a Bluetooth peripheral back when a Bluetooth adapter of an intelligent television is replaced.
Background
At present, most of smart televisions are provided with Bluetooth modules, but the cost of hardware is limited, and a part of low-end models do not have the Bluetooth modules. The part of the smart television can realize the Bluetooth function by additionally purchasing an external Bluetooth adapter (dongle).
In the prior art, the establishment of the bluetooth connection between the bluetooth peripheral and the smart television can be initiated by either one of the two terminals, and the bluetooth connection between the bluetooth peripheral and the smart television is realized by establishing the connection between the bluetooth addresses of the two terminals.
However, if the user changes the external bluetooth adapter in the smart television, the bluetooth address of the smart television end will change, which results in that the bluetooth peripheral cannot be connected to the external bluetooth adapter after the change in the smart television, and therefore, the user pairs the bluetooth peripheral and the smart television again, the reconnection operation is complicated, and the user experience is very poor.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for a smart television to loop back a bluetooth peripheral device when a bluetooth adapter is replaced, so as to solve the problem of complex loop back operation in the prior art.
Specifically, the invention is realized by the following technical scheme:
the invention provides a method for a smart television to be connected with a Bluetooth peripheral when a Bluetooth adapter is replaced, which comprises the following steps:
sequentially sending a connection request message to each paired Bluetooth peripheral;
when a link key request message responded by the Bluetooth peripheral according to the connection request message is received, judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid;
if the link key is in failure state, replying a rejection message to the Bluetooth peripheral;
regenerating a new link key with the Bluetooth peripheral equipment, and marking the state of the new link key as valid;
and carrying out Bluetooth connection with the Bluetooth peripheral equipment through the new link key.
Based on the same conception, the invention also provides a device for the smart television to be connected with the Bluetooth peripheral when the Bluetooth adapter is replaced, and the device comprises:
the message sending unit is used for sequentially sending a connection request message to each paired Bluetooth peripheral;
the state judgment unit is used for judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid or not when receiving a link key request message responded by the Bluetooth peripheral according to the connection request message;
the message replying unit is used for replying a rejection message to the Bluetooth peripheral if the link key is in failure;
the link key generation unit is used for regenerating a new link key with the Bluetooth peripheral equipment and marking the state of the new link key as valid;
and the Bluetooth connecting unit is used for carrying out Bluetooth connection with the Bluetooth peripheral equipment through the new link key.
Therefore, the method and the device for the smart television to connect the Bluetooth peripherals back when the Bluetooth adapter is replaced can ensure that the smart television sequentially sends the connection request message to each paired Bluetooth peripheral after the Bluetooth adapter is replaced; when a link key request message responded by the Bluetooth peripheral according to the connection request message is received, judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid; if the link key fails, the current link key needs to be regenerated, so that new link keys can be generated with the Bluetooth peripheral equipment again by replying a rejection message to the Bluetooth peripheral equipment, the state of the new link keys is marked as valid, and then the Bluetooth peripheral equipment is connected with the new link keys through Bluetooth. Because the reconnection of the smart television and the Bluetooth peripheral needs to be executed in the prior art, for example, an operation flow of 'enter Bluetooth setting → release pairing → set the Bluetooth peripheral in a discoverable mode → search for the Bluetooth peripheral → select a target Bluetooth peripheral to pair' is adopted, the invention can generate a new link with the Bluetooth peripheral again by discovering that a link key mark with the Bluetooth peripheral is invalid, thereby realizing the automatic reconnection of the Bluetooth peripheral. Therefore, the invention can greatly reduce the operation process of the user when the Bluetooth peripheral is connected back, improve the connection speed of the Bluetooth peripheral and improve the operation experience of the user.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a process flow diagram of a method for a smart television to loop back to a Bluetooth peripheral when replacing a Bluetooth adapter in an exemplary embodiment of the invention;
fig. 2 is a flowchart illustrating a process of the smart tv looping back a bluetooth peripheral when replacing a bluetooth adapter in another exemplary embodiment of the present invention;
fig. 3 is a hardware structure diagram of an apparatus in which a smart television in an exemplary embodiment of the present invention loops back a bluetooth peripheral when a bluetooth adapter is replaced;
fig. 4 is a logic diagram of an apparatus for a smart tv to loop back a bluetooth peripheral when replacing a bluetooth adapter in an exemplary embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Before explaining the embodiments of the present invention in detail, an application scenario of the embodiments of the present invention will be described. The method for the smart television to reconnect the Bluetooth peripheral when the Bluetooth adapter is replaced can be applied to the smart television, the Bluetooth connection between the Bluetooth peripheral and the smart television in the prior art can be generally established by any one end of the Bluetooth peripheral and the smart television, but the operation of the intelligent television to reconnect the Bluetooth peripheral when the Bluetooth adapter is replaced is explained in detail mainly by the condition that the Bluetooth connection is established by the smart television.
Referring to fig. 1, a flowchart of a method for a smart television to loop back a bluetooth peripheral when replacing a bluetooth adapter according to an exemplary embodiment of the present invention is shown, where the method includes:
the intelligent television can be matched with the Bluetooth peripheral equipment through the Bluetooth adapter so as to establish Bluetooth connection, and after the intelligent television is connected with the Bluetooth peripheral equipment, the intelligent television can record Bluetooth address information, such as MAC (media access control) addresses, of the Bluetooth peripheral equipment matched with the intelligent television. After the bluetooth adapter is replaced by the smart television, the bluetooth address information on the smart television (i.e., the bluetooth address information of the bluetooth adapter) changes, and therefore the smart television needs to establish bluetooth connection with the bluetooth peripheral again. Therefore, the smart television can sequentially send the connection request message to each Bluetooth peripheral paired with the smart television according to the recorded Bluetooth address information of the Bluetooth peripherals, so that the Bluetooth peripherals can feed back the connection key request message after receiving the connection request message.
102, judging whether the state of a link key corresponding to the current Bluetooth peripheral is effective or not when a link key request message responded by the Bluetooth peripheral according to the connection request message is received;
as an embodiment, the smart television establishes connection with the bluetooth peripheral device through the MAC address of the bluetooth adapter, and when the bluetooth adapter works, the smart television can mark the link keys corresponding to the paired bluetooth peripheral devices as valid respectively. If the smart television detects that the MAC address of the Bluetooth adapter changes, the Bluetooth adapter of the smart television can be determined to be replaced, so that the link keys based on the original Bluetooth adapter and the Bluetooth peripheral equipment cannot be used, and the smart television can respectively mark the link keys corresponding to the paired Bluetooth peripheral equipment as invalid.
When the smart television receives a link key request message responded by the Bluetooth peripheral device according to the connection request message, whether the state of the link key corresponding to the current Bluetooth peripheral device is valid can be further judged. It should be noted that one or more bluetooth adapters may be installed in the smart television, each bluetooth adapter may establish bluetooth connection with one or more bluetooth peripherals, but link keys corresponding to the bluetooth connections established by the same bluetooth adapter and different bluetooth peripherals are different. Therefore, if the smart television receives the link key request messages fed back by the plurality of Bluetooth peripherals, whether the state of the link key corresponding to each Bluetooth peripheral is valid needs to be respectively judged.
103, if the link key is in failure, replying a rejection message to the Bluetooth peripheral;
and if the intelligent television determines that the state of the link key corresponding to the Bluetooth peripheral is invalid, the link key is not available, and the connection with the Bluetooth peripheral needs to be established again. Therefore, the intelligent television can reply a rejection message to the Bluetooth peripheral so as to regenerate the link key. In the prior art, when receiving a link key request message of a bluetooth peripheral, an intelligent television usually replies a link key response message, wherein the link key response message carries a stored link key corresponding to the bluetooth peripheral, regardless of whether the stored link key is valid, so that the bluetooth peripheral cannot be successfully connected back. According to the method and the device, when the link key is determined to be invalid, the link key with the Bluetooth peripheral is generated again through the triggering of the reply rejection message, so that the Bluetooth peripheral is successfully connected back through the new link key, and the manual operation process of a user is further reduced.
104, regenerating a new link key with the Bluetooth peripheral equipment, and marking the state of the new link key as valid;
as an embodiment, the intelligent device may regenerate a new link key corresponding to the bluetooth peripheral according to the MAC address of the current bluetooth adapter and the bluetooth peripheral, and the process of generating the link key may refer to an existing link key generation process, which is not described herein again.
After generating the new link key, the smart television may mark the state of the new link key as valid.
And 105, carrying out Bluetooth connection with the Bluetooth peripheral equipment through the new link key.
The intelligent television can reestablish Bluetooth connection with the Bluetooth peripheral through a new link key.
Therefore, the method and the device can enable the intelligent television to sequentially send the connection request message to each paired Bluetooth peripheral after the Bluetooth adapter is replaced; when a link key request message responded by the Bluetooth peripheral according to the connection request message is received, judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid; if the link key fails, the current link key needs to be regenerated, so that new link keys can be generated with the Bluetooth peripheral equipment again by replying a rejection message to the Bluetooth peripheral equipment, the state of the new link keys is marked as valid, and then the Bluetooth peripheral equipment is connected with the new link keys through Bluetooth. Because the reconnection of the smart television and the Bluetooth peripheral needs to be executed in the prior art, for example, an operation flow of 'enter Bluetooth setting → release pairing → set the Bluetooth peripheral in a discoverable mode → search for the Bluetooth peripheral → select a target Bluetooth peripheral to pair' is adopted, the invention can generate a new link key with the Bluetooth peripheral again by discovering that the link key mark of the Bluetooth peripheral is invalid, thereby realizing the automatic reconnection of the Bluetooth peripheral. Therefore, the invention can greatly reduce the operation process of the user when the Bluetooth peripheral is connected back, improve the connection speed of the Bluetooth peripheral and improve the operation experience of the user.
Based on step 101, if the smart television finds that the link key request message responded by the bluetooth peripheral is not received within the preset time after sequentially sending the connection request message to each paired bluetooth peripheral, it may be considered that the bluetooth peripheral is in an unopened state, and therefore, an instruction for connecting the bluetooth peripheral needs to be manually sent, for example, a user may search for a bluetooth peripheral whose link key state is not updated, that is, a bluetooth peripheral whose link key is still in a failed state, in the bluetooth settings of the smart television, and then send an instruction for connecting the bluetooth peripheral to open the bluetooth peripheral. When the smart television receives an instruction of connecting the Bluetooth peripheral, whether the link key state corresponding to the Bluetooth peripheral is valid is further judged. If the link key is valid, the bluetooth peripheral can be directly connected through the current link key, and if the link key is invalid, a new link key can be regenerated through the step 103 and the step 105 and connected with the bluetooth peripheral.
Therefore, the invention can start the Bluetooth peripheral by manually sending the instruction for connecting the Bluetooth peripheral in the Bluetooth setting under the condition that the Bluetooth peripheral is not started, thereby reducing the back connection operation in a link key regenerating mode and improving the user experience.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the solution of the present invention is further described in detail with reference to fig. 2.
Please refer to fig. 2, which is a flowchart illustrating a process of the smart television for returning the bluetooth peripheral when the bluetooth adapter is replaced in an exemplary embodiment of the present invention, where a specific processing method of the smart television includes:
in this embodiment, a state identification link key valid may be added to a locally recorded link key in advance, and when the link key fails, the state identification link key valid corresponding to the link key is marked as failed, for example false.
in this embodiment, if the bluetooth peripheral is in an open state, if a connection Request sent by the smart television is received, a link Key Request message, such as L ink _ Key _ Request message, may be fed back to the smart television, and if the bluetooth peripheral is not in an open state, it may not be possible to respond within a preset time.
in this embodiment, if the smart television receives an L ink _ Key _ Request message responded by the bluetooth peripheral, a rejection message, for example, L ink _ Key _ Negative _ Reply message, may be replied to the bluetooth peripheral, thereby triggering the link Key to be regenerated.
in this embodiment, when receiving a rejection message replied by the smart television, the bluetooth peripheral may interact with the smart television again, generate a new link key based on the MAC address of the bluetooth adapter, and update the state of the new link key to be valid, for example, mark a state identification link key value corresponding to the new link key as true;
and step 207, establishing Bluetooth connection with the Bluetooth peripheral equipment according to the new link key, and ending.
when the smart television does not receive the response of the Bluetooth peripheral within the preset time, the Bluetooth peripheral can be considered to be in an unopened state, because the user needs to enter the Bluetooth setting interface of the smart television.
in this embodiment, the smart television determines whether a link key of the bluetooth peripheral is updated, and if the link key state is updated, it indicates that the link key is a new link key, and the state is valid; if the state of the link key is not updated, the link key is still in a failure state, so that the link key needs to be regenerated.
when the link key state is not updated, a Bluetooth peripheral connection instruction can be manually sent to the Bluetooth peripheral corresponding to the link key;
If the smart television receives a command for connecting the Bluetooth peripheral triggered manually by the user, a connection request can be sent to the Bluetooth peripheral, and then step 203 and step 207 are executed, so that the reconnection with the Bluetooth peripheral is realized.
Based on the same conception, the invention also provides a device for the intelligent television to be connected with the Bluetooth peripheral when the Bluetooth adapter is replaced, and the device can be realized by software or hardware or a mode of combining the software and the hardware. Taking software implementation as an example, the device for connecting the Bluetooth peripheral in a loop when the Bluetooth adapter is replaced of the intelligent television is taken as a device in a logic meaning, and is formed by reading a corresponding computer program instruction in a memory and then operating through a CPU (central processing unit) of a terminal where the intelligent television is located.
Referring to fig. 3, a device 400 for a smart tv to loop back a bluetooth peripheral when replacing a bluetooth adapter in an exemplary embodiment of the present invention, the basic operating environment of the device includes a CPU, a memory display and other hardware, and from a logic level, the logical structure of the device 400 is shown in fig. 4, which includes:
a message sending unit 401, configured to send a connection request message to each paired bluetooth peripheral in sequence;
the state judgment unit 402 is configured to judge whether the state of the link key corresponding to the current bluetooth peripheral is valid or not when a link key request message is received, where the link key request message is responded by the bluetooth peripheral according to the connection request message;
a message replying unit 403, configured to reply a rejection message to the bluetooth peripheral if the link key is in an invalid state;
a connection key generating unit 404, configured to regenerate a new link key with the bluetooth peripheral, and mark the state of the new link key as valid;
and the bluetooth connection unit 405 is configured to perform bluetooth connection with the bluetooth peripheral through the new link key.
Optionally, the apparatus further comprises:
and a state marking unit 406, configured to mark the link keys corresponding to the local and paired bluetooth peripherals as invalid respectively when the smart television detects that the MAC address of the bluetooth adapter changes.
Optionally, the connection key generating unit 404 is specifically configured to regenerate a new link key corresponding to the bluetooth peripheral according to the MAC address of the current bluetooth adapter and the bluetooth peripheral.
Optionally, the state determining unit 402 is further configured to, after sending the connection request message to each paired bluetooth peripheral in sequence, determine whether the state of the link key corresponding to the bluetooth peripheral is valid when receiving an instruction to connect the bluetooth peripheral if the link key request message responded by the bluetooth peripheral is not received within a preset time.
Therefore, the method and the device can enable the intelligent television to sequentially send the connection request message to each paired Bluetooth peripheral after the Bluetooth adapter is replaced; when a link key request message responded by the Bluetooth peripheral according to the connection request message is received, judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid; if the link key fails, the current link key needs to be regenerated, so that new link keys can be generated with the Bluetooth peripheral equipment again by replying a rejection message to the Bluetooth peripheral equipment, the state of the new link keys is marked as valid, and then the Bluetooth peripheral equipment is connected with the new link keys through Bluetooth. Because the reconnection of the smart television and the Bluetooth peripheral needs to be executed in the prior art, for example, an operation flow of 'enter Bluetooth setting → release pairing → set the Bluetooth peripheral in a discoverable mode → search for the Bluetooth peripheral → select a target Bluetooth peripheral to pair' is adopted, the invention can generate a new link key with the Bluetooth peripheral again by discovering that the link key mark of the Bluetooth peripheral is invalid, thereby realizing the automatic reconnection of the Bluetooth peripheral. Therefore, the invention can greatly reduce the operation process of the user when the Bluetooth peripheral is connected back, improve the connection speed of the Bluetooth peripheral and improve the operation experience of the user.
The implementation process of the functions and actions of each unit in the above device is specifically described in the implementation process of the corresponding step in the above method, and is not described herein again.
For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the application. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The method for the smart television to reconnect the Bluetooth peripheral equipment when the Bluetooth adapter is replaced is characterized by comprising the following steps:
when the intelligent television detects that the MAC address of the Bluetooth adapter is changed, marking the link keys corresponding to the local Bluetooth peripheral equipment and the paired Bluetooth peripheral equipment as invalid respectively;
sequentially sending a connection request message to each paired Bluetooth peripheral;
when a link key request message responded by the Bluetooth peripheral according to the connection request message is received, judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid;
if the link key is in failure state, replying a rejection message to the Bluetooth peripheral;
regenerating a new link key with the Bluetooth peripheral equipment, and marking the state of the new link key as valid;
and carrying out Bluetooth connection with the Bluetooth peripheral equipment through the new link key.
2. The method according to claim 1, wherein the regenerating of the new linkkey with the bluetooth peripheral comprises:
and regenerating a new link key corresponding to the Bluetooth peripheral according to the MAC address of the current Bluetooth adapter and the Bluetooth peripheral.
3. The method of claim 1, wherein after sending the connection request message to each paired bluetooth peripheral device in turn, the method further comprises:
if the link key request message responded by the Bluetooth peripheral is not received within the preset time, judging whether the state of the link key corresponding to the Bluetooth peripheral is valid or not when the instruction of connecting the Bluetooth peripheral is received.
4. Device of back connection bluetooth peripheral hardware when changing the bluetooth adapter on intelligence TV, its characterized in that, the device includes:
the state marking unit is used for marking the local link keys corresponding to the paired Bluetooth peripherals as invalid when the intelligent television detects that the MAC address of the Bluetooth adapter changes;
the message sending unit is used for sequentially sending a connection request message to each paired Bluetooth peripheral;
the state judgment unit is used for judging whether the state of the link key corresponding to the current Bluetooth peripheral is valid or not when a link key request message responded by the Bluetooth peripheral according to the connection request message is received;
the message replying unit is used for replying a rejection message to the Bluetooth peripheral if the link key is in failure;
the connection key generation unit is used for regenerating a new linkkey with the Bluetooth peripheral and marking the state of the new linkkey as valid;
and the Bluetooth connecting unit is used for carrying out Bluetooth connection with the Bluetooth peripheral through the new linkkey.
5. The apparatus of claim 4,
the connection key generation unit is specifically configured to regenerate a new linkkey corresponding to the bluetooth peripheral according to the MAC address of the current bluetooth adapter and the bluetooth peripheral.
6. The apparatus of claim 4,
the state judging unit is further configured to, after sending the connection request message to each paired bluetooth peripheral in sequence, judge whether the state of the linkkey corresponding to the bluetooth peripheral is valid when receiving an instruction to connect the bluetooth peripheral if the linkkey request message responded by the bluetooth peripheral is not received within a preset time.
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| CN201710671833.4A CN108307542B (en) | 2017-08-08 | 2017-08-08 | Method and device for realizing reconnection of Bluetooth peripheral equipment by intelligent television during Bluetooth adapter replacement |
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| CN110381487B (en) * | 2019-07-15 | 2022-06-21 | 珠海市杰理科技股份有限公司 | Bluetooth connection method and device |
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| CN101340705A (en) * | 2007-07-03 | 2009-01-07 | 艾威梯软件技术(北京)有限公司 | Method, apparatus and system for optimizing authentication of radio communication |
| US8798541B1 (en) * | 2011-04-11 | 2014-08-05 | Vmware, Inc. | System and method for socket backed host controller interface emulation for virtual bluetooth adapter |
| CN104540091A (en) * | 2014-12-27 | 2015-04-22 | 深圳市中易腾达科技股份有限公司 | Automatic pairing system and automatic pairing method based on bluetooth equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101340705A (en) * | 2007-07-03 | 2009-01-07 | 艾威梯软件技术(北京)有限公司 | Method, apparatus and system for optimizing authentication of radio communication |
| US8798541B1 (en) * | 2011-04-11 | 2014-08-05 | Vmware, Inc. | System and method for socket backed host controller interface emulation for virtual bluetooth adapter |
| CN104540091A (en) * | 2014-12-27 | 2015-04-22 | 深圳市中易腾达科技股份有限公司 | Automatic pairing system and automatic pairing method based on bluetooth equipment |
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