CN109167617B - Method for adapting USB Bluetooth adapter to android system and related product - Google Patents
Method for adapting USB Bluetooth adapter to android system and related product Download PDFInfo
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- CN109167617B CN109167617B CN201810939130.XA CN201810939130A CN109167617B CN 109167617 B CN109167617 B CN 109167617B CN 201810939130 A CN201810939130 A CN 201810939130A CN 109167617 B CN109167617 B CN 109167617B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H04B5/48—
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Abstract
The disclosure provides a method for adapting a USB Bluetooth adapter to an android system, which comprises the following steps: after the USB Bluetooth adapter is detected, loading a preset driving program to realize the USB Bluetooth adapter of the android system; the driver includes: USB communication, registration of HCI equipment and design of chr equipment nodes; the registered HCI equipment is used for realizing HCI protocol communication of a Bluetooth bottom layer, and the design of the chr equipment node is used for simulating communication modes of receiving, sending and the like of the HCI equipment into read-write operation of the chr equipment. The technical scheme that this application provided has the advantage that USB bluetooth adapter is realized to tall and erect system of ann.
Description
Technical Field
The invention relates to the technical field of communication and electronics, in particular to a method for adapting a USB Bluetooth adapter to an android system and a related product.
Background
With the development of electronic technology, the electronization of equipment increasingly permeates the traditional field, the android system is widely applied to embedded intelligent terminal equipment such as mobile phones, OTT network set-top boxes, information publishing platforms and the like at present, because the android system is specially designed for mobile equipment, the existing android equipment adopts a mode of integrating a Bluetooth module, interfaces commonly use serial ports, so that a universal USB Bluetooth adapter cannot be supported, plug and play as a PC cannot be realized, users do not need to use Bluetooth equipment in some cases, users need to use Bluetooth equipment in some cases, so that the integration of the Bluetooth module into the equipment causes resource waste and also increases the cost, so the android system can flexibly use the universal USB Bluetooth adapter as the PC, and if the users need to use the Bluetooth, the USB Bluetooth adapter can be selected, if not, the client saves the device one bluetooth module.
Disclosure of Invention
The embodiment of the invention provides a method for adapting a USB Bluetooth adapter to an android system and a related product, and realizes the advantage that the android system supports the USB Bluetooth adapter.
In a first aspect, an embodiment of the present invention provides a method for adapting a USB bluetooth adapter to an android system, where the method includes the following steps:
after the USB Bluetooth adapter is detected, loading a preset driving program to realize the USB Bluetooth adapter of the android system;
the driver includes: USB communication, registration of HCI equipment and design of chr equipment nodes;
the registered HCI equipment is used for carrying out data communication by using a Bluetooth HCI protocol, and the design of the chr equipment node is used for simulating communication modes of receiving, sending and the like of the HCI equipment into read-write operation of the chr equipment.
Optionally, the loading of the preset driver to implement the USB bluetooth adapter of the android system specifically includes:
the android Bluetooth protocol reads and writes the USB Bluetooth adapter as HCI equipment according to the tty mode, so that the USB Bluetooth adapter is recognized and used by an android system.
Optionally, a power switch of the android bluetooth protocol is turned off or shielded, and an access node of the android bluetooth is modified to be/dev/bdrid _ btusb and the permission is modified.
In a second aspect, an android electronic device is provided, the device comprising:
the detection unit is used for detecting the USB Bluetooth adapter;
the loading unit is used for loading a preset driving program to realize a USB Bluetooth adapter of the android system;
the driver includes: USB communication, registration of HCI equipment and design of chr equipment nodes;
the registered HCI equipment is used for carrying out data communication by using a USB drive, and the design of the chr equipment node is used for simulating communication modes of receiving, sending and the like of the HCI equipment into read-write operation of the chr equipment.
Optionally, the loading unit is specifically configured to read and write the USB bluetooth adapter as the HCI device according to the tty manner by using the android bluetooth protocol, so that the USB bluetooth adapter is recognized and used by the android system.
Optionally, the processing unit is configured to close or shield a power switch of an android bluetooth protocol, modify an access node of the android bluetooth to be/dev/bdroid _ btusb, and modify an authority.
In a third aspect, a computer-readable storage medium is provided, which stores a program for electronic data exchange, wherein the program causes a terminal to execute the method provided in the first aspect.
The embodiment of the invention has the following beneficial effects:
therefore, the technical scheme provided by the embodiment of the invention can realize the advantage that the android system supports the USB Bluetooth adapter.
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 are briefly introduced below, and it is obvious that the drawings in the following description are 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 schematic structural diagram of a terminal.
FIG. 2 is a flowchart illustrating a method for adapting a USB Bluetooth adapter to an android system.
FIG. 3 is a flow chart of a method for adapting a USB Bluetooth adapter for an android system.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, result, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a terminal, and as shown in fig. 1, the terminal may include an android terminal or the like. As shown in fig. 1, the terminal includes: a processor 101, an input unit 102, a communication module 103 (optional), a memory 104, and a universal USB interface 105.
The input unit 102 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the input unit 102 may include a touch display screen, a fingerprint recognition device, and other input devices. The fingerprint identification device can set up alone, and certainly in practical application, the fingerprint identification device also can combine to the touch-control display screen, realizes fingerprint under the screen promptly. The input unit may also include other input devices. In particular, other input devices may include, but are not limited to, one or more of physical keys, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The processor 101 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, and performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 104 and calling data stored in the memory 104, thereby performing overall monitoring or control of the terminal. Alternatively, processor 101 may include one or more processing units; optionally, the processor 101 may integrate an application processor, a modem processor, and an artificial intelligence chip, where the application processor mainly processes an operating system, a user interface, an application program, and the like, the modem processor mainly processes wireless communication, and the artificial intelligence chip mainly implements calculation of a neural network model. It will be appreciated that the modem processor or artificial intelligence chip described above may not be integrated into the processor 101.
Further, the memory 104 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The communication module 103 may be used for receiving and transmitting information. In general, the communication module 103 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like. In addition, the communication module 103 can also communicate with a network and other devices through wireless communication. The wireless communication module may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Message Service (SMS), etc., although the communication module may also support wired communication, such as RS485 interface, etc., and the present application is not limited to the specific representation of wired communication.
The camera can be used for collecting pictures, scanning two-dimensional codes and the like to process image data. The camera can specifically include leading camera or rear camera, also can include two cameras to rear camera, also can be two camera settings to leading camera of course, and this application is not restricted to the quantity and the specific position of camera, and the picture that the camera was gathered can be transmitted and is carried out relevant processing for treater 101.
The terminal may also include at least one sensor, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the touch display screen according to the brightness of ambient light, and the proximity sensor may turn off the touch display screen and/or the backlight when the mobile phone moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured in the terminal, detailed description is omitted here.
WiFi belongs to short-distance wireless transmission technology, and the terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through a WiFi module, and provides wireless broadband internet access for the user.
The terminal further includes a power supply (e.g., a battery) for supplying power to the various components, and optionally, the power supply may be logically connected to the processor 101 through a power management system, so that functions of managing charging, discharging, and power consumption are implemented through the power management system.
In order to realize the support of the android on the USB Bluetooth, a USB Bluetooth device driver is written, and the USB Bluetooth device is simulated to be a char device, so that the USB Bluetooth device can be adapted to an upper layer Bluetooth interface of the android, and meanwhile, a middleware program of the Bluetooth is modified, and a traditional serial port Bluetooth node is modified to be a simulated USB Bluetooth node device.
And modifying the power management part in the bluedroid library to ensure that the power state of the USB Bluetooth equipment is correct, and correctly opening and using the Bluetooth equipment for communication by the android application change after the modification.
Referring to fig. 2, in software design, firstly, a driver is designed, a chr node is initialized and created when the driver is designed, then a USB driver is registered, so that the driver which is registered by the driver can be loaded in time when a USB bluetooth adapter is inserted, the driver is divided into three parts, one part is USB communication, the other part is registration of an HCI device, and the chr device node is designed, the registered HCI device uses a bluetooth HCI protocol to communicate data, the chr node simulates communication modes of receiving and sending the HCI device into read-write operation of the chr device, so that a user layer can convert the operation of the HCI device into reading and writing of the chr device, and then the USB bluetooth protocol can read and write the USB HCI device completely according to a tty mode, thereby realizing that the USB bluetooth can be recognized and used by an android system, the key technical point of the software is that a USB HCI device can be converted into a chr device in a bottom layer drive, so that the support of an android user layer on a Bluetooth device is compatible, the android device is designed for a mobile device, power management on the Bluetooth device exists, but a power management interface is not designed on a USB Bluetooth adapter, so that the user only needs to shield the switch design of the android blue relative power, and meanwhile, an access node of the android Bluetooth is modified into "/dev/bdustub" and modified in authority, so that an android framework can access a USB Bluetooth device adapter just like an access integrated serial Bluetooth adapter, and the function of the USB HCI Bluetooth is realized.
Referring to fig. 3, fig. 3 provides a method for adapting a USB bluetooth adapter to an android system in an embodiment of the present invention, where the method includes the following steps:
step S301, detecting a USB Bluetooth adapter,
s302, loading a preset driving program to realize a USB Bluetooth adapter of the android system;
the driver includes: USB communication, registration of HCI equipment and design of chr equipment nodes;
the registered HCI equipment is used for carrying out data communication by using a Bluetooth HCI protocol, and the design of the chr equipment node is used for simulating communication modes of receiving, sending and the like of the HCI equipment into read-write operation of the chr equipment.
Optionally, the loading of the preset driver to implement the USB bluetooth adapter of the android system specifically includes:
the android Bluetooth protocol reads and writes the USB Bluetooth adapter as HCI equipment according to the tty mode, so that the USB Bluetooth adapter is recognized and used by an android system.
Optionally, a power switch of the android bluetooth protocol is turned off or shielded, and an access node of the android bluetooth is modified to be/dev/bdrid _ btusb and the permission is modified.
An embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores a computer program for electronic data exchange, and the computer program enables a computer to execute part or all of the steps of any one of the attendance implementation methods described in the above method embodiments.
Embodiments of the present invention further provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to execute some or all of the steps of any of the attendance implementation methods described in the above method embodiments.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are exemplary embodiments and that the acts and modules illustrated are not necessarily required to practice the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one type of division of logical functions, and there may be other divisions when actually implementing, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
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 units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit may be implemented in the form of hardware, or may be implemented in the form of a software program module.
The integrated units, if implemented in the form of software program modules and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a memory and includes several instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (7)
1. A method for adapting a USB Bluetooth adapter by an android system is characterized by comprising the following steps:
after the USB Bluetooth adapter is detected, loading a preset driving program to realize the USB Bluetooth adapter of the android system;
the driver includes: USB communication, registration of HCI equipment and design of chr equipment nodes;
the registered HCI equipment is used for carrying out data communication by using a Bluetooth HCI protocol, and the design of the chr equipment node is used for simulating the communication modes of receiving and sending of the HCI equipment into the read-write operation of the chr equipment.
2. The method according to claim 1, wherein the loading of the preset driver to implement the USB bluetooth adapter of the android system specifically includes:
the android Bluetooth protocol reads and writes the USB Bluetooth adapter as HCI equipment according to the tty mode, so that the USB Bluetooth adapter is recognized and used by an android system.
3. The method of claim 1, further comprising:
and closing or shielding a power switch of the android Bluetooth protocol, modifying the access node of the android Bluetooth into/dev/bdrid _ btusb and modifying the authority.
4. An android electronic device, the device comprising:
the detection unit is used for detecting the USB Bluetooth adapter;
the loading unit is used for loading a preset driving program to realize a USB Bluetooth adapter of the android system;
the driver includes: USB communication, registration of HCI equipment and design of chr equipment nodes;
the registered HCI equipment is used for carrying out data communication by using a Bluetooth HCI protocol, and the design of the chr equipment node is used for simulating the communication modes of receiving and sending of the HCI equipment into the read-write operation of the chr equipment.
5. The apparatus of claim 4,
the loading unit is specifically used for reading and writing the USB Bluetooth adapter as HCI equipment according to tty mode by the android Bluetooth protocol, so that the USB Bluetooth adapter is recognized and used by the android system.
6. The apparatus of claim 4, further comprising:
and the processing unit is used for closing or shielding a power switch of an android Bluetooth protocol, modifying an access node of the android Bluetooth into/dev/bdroid _ btusb and modifying the authority.
7. A computer-readable storage medium storing a program for electronic data exchange, wherein the program causes a terminal to perform the method as provided in any one of claims 1-3.
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| CN201810939130.XA CN109167617B (en) | 2018-08-10 | 2018-08-10 | Method for adapting USB Bluetooth adapter to android system and related product |
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| CN110072220B (en) * | 2019-03-27 | 2022-05-13 | 深圳前海达闼云端智能科技有限公司 | Bluetooth expansion equipment, Bluetooth device and Bluetooth expansion system |
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