CN109890016B - Method and device for supporting multiple applications to access Bluetooth equipment - Google Patents
Method and device for supporting multiple applications to access Bluetooth equipment Download PDFInfo
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Abstract
The invention provides a method and a device for supporting multiple applications to access Bluetooth equipment, which are applied to a Bluetooth service module, wherein the Bluetooth service module is deployed on Bluetooth main equipment and packaged with a Bluetooth communication Software Development Kit (SDK), and the Bluetooth main equipment is also deployed with multiple Bluetooth application modules; the method comprises the following steps: receiving Bluetooth communication requests triggered by each Bluetooth application module on the Bluetooth main equipment, and adding the received Bluetooth communication requests into a communication queue; and taking out the Bluetooth communication requests added into the communication queue one by one according to the queue-entering sequence, and processing each taken-out Bluetooth communication request by using a Bluetooth communication SDK. The invention can realize that a plurality of applications access the same Bluetooth slave equipment or different Bluetooth slave equipment, and can reduce resource waste.
Description
Technical Field
The invention relates to the technical field of computer software, in particular to a method and a device for supporting multiple applications to access Bluetooth equipment.
Background
Bluetooth (Bluetooth) is a wireless technology standard that enables short-range data exchange between fixed devices, mobile devices, and building personal area networks. The Bluetooth device comprises a Bluetooth master device and a Bluetooth slave device, and the Bluetooth master device can actively search and connect other Bluetooth devices such as a mobile phone and a computer. The bluetooth slave device is a bluetooth device which can only be passively searched and connected, and generally provides certain functions and services, such as a smart band and a bluetooth headset.
Most existing Bluetooth slave devices and Bluetooth devices (including a Bluetooth master device and a Bluetooth slave device) only supporting an old version Bluetooth protocol cannot establish connection with other Bluetooth devices under the condition that one Bluetooth device is connected, and thus a plurality of applications cannot acquire information and services of the Bluetooth slave devices at the same time. In addition, the bluetooth communication SDKs of the same developer platform access the same bluetooth slave device or different bluetooth slave devices, which easily causes conflicts, or causes that the applications connected later cannot normally access the bluetooth slave devices, and each application including the SDK managed by bluetooth also causes the waste of resources managed by bluetooth, and consumes resources such as the memory and the CPU of the terminal.
Therefore, in the prior art, a plurality of applications on the same bluetooth master device cannot access one bluetooth slave device simultaneously, and the problems of connection conflict, resource waste and the like also exist when accessing different bluetooth slave devices.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method and an apparatus for supporting multiple applications to access a bluetooth device, which can enable multiple applications to access the same bluetooth slave device or different bluetooth slave devices, and can reduce resource waste.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for supporting multi-application access to Bluetooth equipment is applied to a Bluetooth service module, wherein the Bluetooth service module is deployed on Bluetooth main equipment, and a plurality of Bluetooth application modules are also deployed on the Bluetooth main equipment; the method comprises the following steps:
receiving Bluetooth communication requests triggered by each Bluetooth application module on the Bluetooth main equipment, and adding the received Bluetooth communication requests into a communication queue;
and taking out the Bluetooth communication requests added into the communication queue one by one according to the queue-entering sequence, and processing each taken-out Bluetooth communication request by using a Bluetooth communication SDK.
A non-transitory computer readable storage medium storing instructions that, when executed by a processor, cause the processor to perform the steps in the method of supporting multiple application access bluetooth devices as described above.
An electronic device, comprising: at least one processor, and a non-transitory computer readable storage medium coupled to the at least one processor via a bus; the non-transitory computer readable storage medium stores one or more computer programs executable by the at least one processor; wherein the at least one processor, when executing the one or more computer programs, performs the method steps as described above for supporting multiple application access to a Bluetooth device.
According to the technical scheme, in the invention, a Bluetooth service module for packaging a Bluetooth communication Software Development Kit (SDK) is deployed in the Bluetooth master device, receives Bluetooth communication requests triggered by each Bluetooth application module in the Bluetooth master device, and adds all the received Bluetooth communication requests into the same communication queue; and for the Bluetooth communication requests in the communication queue, processing the Bluetooth communication requests one by using the Bluetooth communication SDK according to the queue entering sequence. In the invention, each Bluetooth application module does not need to establish Bluetooth connection with the Bluetooth slave equipment, but the Bluetooth service module performs unified processing on the Bluetooth communication request of each Bluetooth application module, so that the simultaneous access of a plurality of Bluetooth application modules to one or more Bluetooth slave equipment can be realized.
Drawings
FIG. 1 is a flow chart of a method for supporting multiple applications to access a Bluetooth device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a Bluetooth service module according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings according to embodiments.
In the invention, a Bluetooth service module is deployed in the Bluetooth master device, and a Bluetooth communication Software Development Kit (SDK) is packaged in the Bluetooth service module. The Bluetooth service module is responsible for uniformly managing the communication between each Bluetooth application module in the Bluetooth master device and the Bluetooth slave devices in the Bluetooth communication coverage range of the Bluetooth master device, and a plurality of Bluetooth application modules can access one or more Bluetooth slave devices at the same time. Wherein the content of the first and second substances,
on one side of the Bluetooth application module, the Bluetooth service module provides an Application Program Interface (API) for triggering the Bluetooth communication request, the Bluetooth service module can call the API to trigger the Bluetooth communication request, and after receiving the Bluetooth communication requests triggered by the Bluetooth application modules, the Bluetooth service module adds the received Bluetooth communication requests into the same communication queue.
On the side of the Bluetooth slave device, the Bluetooth service module utilizes a bottom layer Application Program Interface (API) provided by the packaged Bluetooth communication SDK to establish a Bluetooth connection between the Bluetooth master device and the Bluetooth slave device, and utilizes the Bluetooth connection to perform corresponding data transmission processing on a Bluetooth communication request aiming at each Bluetooth slave device.
The method provided by the present invention is described in detail below with reference to fig. 1.
Referring to fig. 1, fig. 1 is a flowchart of a method for supporting multiple applications to access a bluetooth device according to an embodiment of the present invention, where the method is applied to a bluetooth service module, the bluetooth service module is deployed on a bluetooth master device and is packaged with a bluetooth communication SDK, and the bluetooth master device is also deployed with multiple bluetooth application modules; the method mainly comprises the following steps:
In the embodiment of the present invention, the bluetooth service module configures, in advance, for a bluetooth communication request, a corresponding API for triggering the bluetooth communication request, where the API is referred to as a first API, and each bluetooth application module in the bluetooth master device may trigger the bluetooth communication request by calling the first API.
And step 102, taking out the Bluetooth communication requests added into the communication queue one by one according to the queue-entering sequence, and processing each taken-out Bluetooth communication request by using a Bluetooth communication SDK.
In practical implementation, the bluetooth communication request carries information of the target bluetooth slave device, and therefore, after receiving the bluetooth communication request triggered by any bluetooth application module on the bluetooth master device, the bluetooth service module can directly determine the target bluetooth slave device of the bluetooth communication request.
In the embodiment of the present invention, a specific implementation method for processing each extracted bluetooth communication request by using a bluetooth communication SDK is as follows:
determining a target Bluetooth slave device of the Bluetooth communication request;
judging whether the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device is established or not, if not, establishing the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device by using a connection establishment API provided by the Bluetooth communication SDK;
and sending the data to be sent carried by the Bluetooth communication request by utilizing the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device, receiving the data returned by the target Bluetooth slave device, and sending the data returned by the target Bluetooth slave device to the Bluetooth application module triggering the Bluetooth communication request.
In the invention, when one or more Bluetooth application modules in the Bluetooth master equipment want to communicate with one or more Bluetooth slave equipment, the Bluetooth service module puts the Bluetooth communication requests triggered by the Bluetooth application modules into a communication queue, and processes the Bluetooth communication requests in the communication queue one by using the Bluetooth communication SDK without the need of the Bluetooth application modules to directly participate in Bluetooth communication, thereby avoiding the problem that a plurality of Bluetooth application modules are simultaneously connected with one Bluetooth slave equipment, and simultaneously supporting the plurality of Bluetooth application modules to simultaneously access one or more Bluetooth slave equipment.
In practical applications, part of the bluetooth master devices, such as the bluetooth master device supporting only the old version of the bluetooth protocol, can establish a bluetooth connection with only one bluetooth slave device at the same time, and therefore, when processing each extracted bluetooth communication request by using the bluetooth communication SDK, if it is determined that the bluetooth master device establishes a bluetooth connection with a bluetooth slave device other than the target bluetooth slave device of the bluetooth communication request, it is necessary to disconnect the connection, then establish the bluetooth connection between the bluetooth master device and the target bluetooth slave device of the bluetooth communication request, and finally perform data transmission based on the bluetooth communication request by using the newly established bluetooth connection.
Therefore, in this embodiment of the present invention, when the bluetooth master device supports only establishing a connection with one bluetooth slave device at the same time, after determining that the bluetooth connection between the bluetooth master device and the target bluetooth slave device has not been established, before establishing the bluetooth connection between the bluetooth master device and the target bluetooth slave device using the connection establishment API provided by the bluetooth communication SDK, further determination is required: and if the Bluetooth connection between the Bluetooth master device and the Bluetooth slave devices except the target Bluetooth slave device is established, disconnecting the Bluetooth connection between the Bluetooth master device and the Bluetooth slave devices except the target Bluetooth slave device by using a disconnection API provided by the Bluetooth communication SDK.
In practical applications, after the bluetooth connection is established between the bluetooth application module in the bluetooth master device and the bluetooth master device, the bluetooth application module may request to receive notification data periodically sent by the bluetooth slave device.
In this embodiment of the present invention, the bluetooth service module may configure a corresponding API for the bluetooth notification request in advance, and the API is referred to as a second API hereinafter. Each bluetooth application module in the bluetooth master device may trigger a bluetooth notification request by calling the second API.
After receiving the notification receiving request triggered by any bluetooth application module, the bluetooth service module may receive notification data periodically sent by a target bluetooth slave device through a bluetooth connection between the bluetooth master device and the target bluetooth slave device that receives the notification receiving request by using a bluetooth notification API provided by the bluetooth communication SDK, and send the notification data to the bluetooth application module.
In the embodiment of the invention, the bluetooth service module can scan all bluetooth slave equipment information in the bluetooth coverage range of the bluetooth master equipment by using the scanning API provided by the bluetooth communication SDK so as to be acquired by each bluetooth application module. The bluetooth device information here includes device function information, device status information, and the like.
In an embodiment of the invention, the bluetooth service module provides an inquiry for available bluetooth slave devices. Specifically, the bluetooth service module may configure a corresponding API for triggering the available device query request in advance for the available device query request, and the API is hereinafter referred to as a third API. Each bluetooth application module in the bluetooth master device may trigger a corresponding available device query request by calling the third API. After receiving an available device inquiry request triggered by any one of the bluetooth application modules, the bluetooth service module can return all the scanned bluetooth slave device information to the bluetooth application module.
In the embodiment of the present invention, the bluetooth service module further provides an inquiry of a bluetooth slave device for a certain function (e.g., a weighing function, a blood pressure measurement function, etc.). Specifically, the bluetooth service module may configure a corresponding API for triggering the functional device query request in advance for the functional device query request, and the API is hereinafter referred to as a fourth API. Each bluetooth application module in the bluetooth master device may trigger a corresponding functional device query request by calling the fourth API. After receiving a function device query request triggered by any one of the bluetooth application modules, the bluetooth service module can find out all bluetooth slave device information with device function information identical to the device function information carried by the function device query request from all the scanned bluetooth slave device information, and return all the found bluetooth slave device information to the bluetooth application module.
In this embodiment of the present invention, the bluetooth service module further provides a device status (e.g., power of the device) query for a certain bluetooth slave device. Specifically, the bluetooth service module may configure a corresponding API for triggering the device status query request in advance for the device status query request, and the API is hereinafter referred to as a fifth API. Each bluetooth application module in the bluetooth master device may trigger a corresponding device status query request by calling the fifth API. After receiving a device status query request (carrying target bluetooth slave device information) triggered by any bluetooth application module, the bluetooth service module may find the device status information of the target bluetooth slave device of the device status query request from all the scanned bluetooth slave device information, and return the device status information of the target bluetooth slave device to the bluetooth application module.
The method for supporting multiple applications to access the bluetooth device according to the embodiment of the present invention is described in detail above, and the present invention further provides a bluetooth service module, which is described in detail below with reference to fig. 2.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a bluetooth service module according to an embodiment of the present invention, where the bluetooth service module is deployed on a bluetooth master device, and is packaged with a bluetooth communication software development kit SDK, and the bluetooth master device is also deployed with a plurality of bluetooth application modules; as shown in fig. 2, the bluetooth service module includes:
the receiving unit 201 is configured to receive a bluetooth communication request triggered by each bluetooth application module on the bluetooth master device, and add the received bluetooth communication request to a communication queue;
the processing unit 202 is configured to take out the bluetooth communication requests added to the communication queue one by one according to the queue-entering sequence, and process each taken-out bluetooth communication request by using the bluetooth communication SDK.
In the bluetooth service module shown in figure 2,
the processing unit 202, when processing each extracted bluetooth communication request by using the bluetooth communication SDK, is configured to:
determining a target Bluetooth slave device of the Bluetooth communication request;
judging whether the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device is established or not, if not, establishing the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device by using a connection establishment API provided by the Bluetooth communication SDK;
and sending the data to be sent carried by the Bluetooth communication request by utilizing the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device, receiving the data returned by the target Bluetooth slave device, and sending the data returned by the target Bluetooth slave device to the Bluetooth application module triggering the Bluetooth communication request.
In the bluetooth service module shown in figure 2,
the Bluetooth master device only supports connection with one Bluetooth slave device at the same time;
the processing unit 202, after determining that the bluetooth connection between the bluetooth master device and the target bluetooth slave device has not been established, is further configured to, before establishing the bluetooth connection between the bluetooth master device and the target bluetooth slave device by using a connection establishment API provided by the bluetooth communication SDK: and if the Bluetooth connection between the Bluetooth master device and the Bluetooth slave devices except the target Bluetooth slave device is established, disconnecting the Bluetooth connection between the Bluetooth master device and the Bluetooth slave devices except the target Bluetooth slave device by using a disconnection API provided by the Bluetooth communication SDK.
In the bluetooth service module shown in figure 2,
the receiving unit 201 is further configured to: receiving a notification receiving request triggered by any Bluetooth application module on the Bluetooth master device;
the processing unit 202 is further configured to, when the receiving unit 201 receives a notification receiving request triggered by any bluetooth application module on the bluetooth master device, receive, through a bluetooth connection between the bluetooth master device and a target bluetooth slave device that receives the notification receiving request, notification data periodically sent by the target bluetooth slave device by using a notification receiving API provided by the bluetooth communication SDK, and send the notification data to the bluetooth application module.
In the bluetooth service module shown in figure 2,
the processing unit 202 is further configured to: and scanning by using a scanning API provided by the Bluetooth communication SDK to obtain all Bluetooth slave equipment information in the Bluetooth coverage range of the Bluetooth master equipment.
In the bluetooth service module shown in figure 2,
the receiving unit 201 is further configured to: receiving an available equipment inquiry request triggered by any Bluetooth application module on the Bluetooth master equipment;
the processing unit 202 is further configured to, when the receiving unit 201 receives an available device query request triggered by any bluetooth application module on the bluetooth master device, return all the scanned bluetooth slave device information to the bluetooth application module.
In the bluetooth service module shown in figure 2,
the Bluetooth slave device information comprises device function information;
the receiving unit 201 is further configured to: receiving a function equipment inquiry request triggered by any Bluetooth application module on the Bluetooth main equipment;
the processing unit 202 is further configured to, when the receiving unit 201 receives a function device query request triggered by any bluetooth application module on the bluetooth master device, find out all bluetooth slave device information whose device function information is the same as the device function information carried in the function device query request from all the scanned bluetooth slave device information, and return all the found bluetooth slave device information to the bluetooth application module.
In the bluetooth service module shown in figure 2,
the Bluetooth slave device information also comprises device state information;
the receiving unit 201 is further configured to: receiving a device state inquiry request triggered by any Bluetooth application module on the Bluetooth master device;
the processing unit 202 is further configured to, when the receiving unit 201 receives a device status query request triggered by any bluetooth application module on the bluetooth master device, find status information of a target bluetooth slave device of the device status query request from all the scanned bluetooth slave device information, and return the status information of the target bluetooth slave device to the bluetooth application module.
Embodiments of the present invention also provide a non-transitory computer readable storage medium storing instructions that, when executed by a processor, cause the processor to perform the steps of the method shown in fig. 1.
An electronic device 300 according to an embodiment of the present invention includes: at least one processor 301, and a non-transitory computer readable storage medium 302 connected to the at least one processor through a bus; the non-transitory computer readable storage medium 302 stores one or more computer programs executable by the at least one processor 301; the at least one processor 301, when executing the one or more computer programs, implements the steps in the method shown in fig. 1.
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 (9)
1. A method for supporting multiple applications to access Bluetooth equipment is characterized in that the method is applied to a Bluetooth service module, the Bluetooth service module is deployed on Bluetooth main equipment, and a plurality of Bluetooth application modules are also deployed on the Bluetooth main equipment; the method comprises the following steps:
receiving Bluetooth communication requests triggered by each Bluetooth application module on the Bluetooth main equipment, and adding the received Bluetooth communication requests into a communication queue;
taking out the Bluetooth communication requests added into the communication queue one by one according to the queue-entering sequence, and processing each taken-out Bluetooth communication request by using a Bluetooth communication SDK;
wherein the content of the first and second substances,
the method for processing each extracted Bluetooth communication request by using the Bluetooth communication SDK comprises the following steps:
determining a target Bluetooth slave device of the Bluetooth communication request;
judging whether the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device is established or not, if not, establishing the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device by using a connection establishment API provided by the Bluetooth communication SDK;
and sending the data to be sent carried by the Bluetooth communication request by utilizing the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device, receiving the data returned by the target Bluetooth slave device, and sending the data returned by the target Bluetooth slave device to the Bluetooth application module triggering the Bluetooth communication request.
2. The method of claim 1,
the Bluetooth master device only supports connection with one Bluetooth slave device at the same time;
after determining that the bluetooth connection between the bluetooth master device and the target bluetooth slave device is not established, before establishing the bluetooth connection between the bluetooth master device and the target bluetooth slave device by using the connection establishment API provided by the bluetooth communication SDK, the method further includes: and if the Bluetooth connection between the Bluetooth master device and the Bluetooth slave devices except the target Bluetooth slave device is established, disconnecting the Bluetooth connection between the Bluetooth master device and the Bluetooth slave devices except the target Bluetooth slave device by using a disconnection API provided by the Bluetooth communication SDK.
3. The method of claim 1, further comprising:
receiving a notification receiving request triggered by any Bluetooth application module on the Bluetooth master device, receiving notification data periodically sent by a target Bluetooth slave device through the Bluetooth connection between the Bluetooth master device and the target Bluetooth slave device which receives the request through the notification receiving API provided by the Bluetooth communication SDK, and sending the notification data to the Bluetooth application module.
4. The method of claim 1, further comprising:
and scanning by using a scanning API provided by the Bluetooth communication SDK to obtain all Bluetooth slave equipment information in the Bluetooth coverage range of the Bluetooth master equipment.
5. The method of claim 4,
the method further comprises the following steps: and receiving an available equipment inquiry request triggered by any Bluetooth application module on the Bluetooth master equipment, and returning all the Bluetooth slave equipment information obtained by scanning to the Bluetooth application module.
6. The method of claim 4,
the Bluetooth slave device information comprises device function information;
the method further comprises the following steps: and receiving a function equipment inquiry request triggered by any Bluetooth application module on the Bluetooth master equipment, finding out all pieces of Bluetooth slave equipment information with the same equipment function information as the equipment function information carried by the function equipment inquiry request from all pieces of Bluetooth slave equipment information obtained by scanning, and returning all pieces of found Bluetooth slave equipment information to the Bluetooth application module.
7. The method of claim 4,
the Bluetooth slave device information also comprises device state information;
the method further comprises the following steps: and receiving a device state inquiry request triggered by any Bluetooth application module on the Bluetooth master device, finding out the state information of the target Bluetooth slave device of the device state inquiry request from all the Bluetooth slave device information obtained by scanning, and returning the state information of the target Bluetooth slave device to the Bluetooth application module.
8. A non-transitory computer readable storage medium storing instructions which, when executed by a processor, cause the processor to perform the steps in the method of supporting multiple application access bluetooth devices of any of claims 1 to 7.
9. An electronic device, comprising: at least one processor, and a non-transitory computer readable storage medium coupled to the at least one processor via a bus; the non-transitory computer readable storage medium stores one or more computer programs executable by the at least one processor; wherein the at least one processor, when executing the one or more computer programs, performs the method steps of any of claims 1-7 for supporting multiple application access to a Bluetooth device.
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