WO2018076382A1

WO2018076382A1 - Universal serial bus-based method for data exchange and universal serial bus device

Info

Publication number: WO2018076382A1
Application number: PCT/CN2016/104146
Authority: WO
Inventors: 薛冰; 尤中乾; 杨小虎
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2016-10-31
Filing date: 2016-10-31
Publication date: 2018-05-03
Also published as: CN106852188B; CN106852188A

Abstract

A method and apparatus for selecting an operating mode of a universal serial bus device, a storage medium, a universal serial bus-based method for data exchange, a data exchange method, a universal serial bus device, and a remote controller of an unmanned aerial vehicle. The method for selecting an operating mode of a universal serial bus device comprises: acquiring a mode selection signal; selecting an operating mode of a universal serial bus device according to the mode selection signal, wherein the operating mode is a host mode or device mode. By means of embodiments of the present invention, data exchange is achieved between a universal serial bus device and different types of terminal devices by means of switching the operating mode of the universal serial bus device. In addition, the embodiments of the present invention may further avoid situations wherein a separate wireless transmission path needs to be established, while effectively avoiding interference with existing wireless communications.

Description

Universal serial bus based data interaction method and universal serial bus device

Technical field

The present invention relates to the field of data interaction, and in particular, to a method and device for selecting an operating mode of a universal serial bus device, a storage medium, a data interaction method based on a universal serial bus, a data interaction method, a universal serial bus device, and Remote control for unmanned aerial vehicles.

Background technique

With the rapid development of science and technology, unmanned aerial vehicles have been widely used in various fields, such as film and television aerial photography, power line inspection, map mapping, forest fire prevention, disaster search and rescue, police inspection, and agricultural plant protection. Unmanned aerial vehicles used in these industries should meet higher requirements in terms of function and performance, especially the safety and stability of UAV operation and the ease of use.

For the stable reliability of the operation of the unmanned aerial vehicle, the remote controller for remotely controlling the unmanned aerial vehicle flight plays a key role. In the prior art, the remote controller of the unmanned aerial vehicle can connect different types through different types of connection interfaces. The terminal device, so that the remote control of the UAV is easy to generate signal interference when connecting with various types of terminal devices, affecting the control precision of the remote control for the UAV, and reducing the safety and reliability of the UAV flight. It also affects the communication connection between the remote control and the terminal device. In addition, existing UAV remote controls are also difficult to adapt to many different types of terminal devices.

Summary of the invention

In order to solve the above or other potential problems existing in the prior art, the present invention provides a method and apparatus for selecting an operating mode of a universal serial bus device, a storage medium, a data interaction method based on a universal serial bus, and data interaction. Method, universal serial bus device and remote control for unmanned aerial vehicles.

A first aspect of an embodiment of the present invention provides a method for selecting an operation mode of a universal serial bus device, comprising: acquiring a mode selection signal; and selecting an operation mode of the universal serial bus device according to the mode selection signal, The working mode is host mode or device mode.

A second aspect of the embodiments of the present invention provides a storage medium in which a program code is stored, and when the program code is executed, the above-described method for selecting an operation mode of the universal serial bus device is executed.

A third aspect of the embodiments of the present invention provides a data exchange method based on a universal serial bus, including: acquiring a mode selection signal; and selecting an operation mode of the universal serial bus device according to the mode selection signal, where the working mode is a host mode or a device mode; establishing a communication connection with the terminal device according to the selected working mode; transmitting or receiving data through the communication connection.

A fourth aspect of the embodiments of the present invention provides a data interaction method, including: acquiring a mode selection signal; and selecting an operation mode of the universal serial bus device according to the mode selection signal, where the working mode is a host mode or a device mode; Establishing a communication connection with the terminal device in accordance with the selected mode of operation; acquiring data via an additional communication link independent of the communication connection; transmitting the data to the terminal device over the communication connection.

A fifth aspect of an embodiment of the present invention provides an apparatus for selecting an operation mode of a universal serial bus device, comprising: at least one processor, the at least one processor being used individually or collectively for: acquiring a mode selection a signal; selecting an operating mode of the universal serial bus device according to the mode selection signal, the working mode being a host mode or a device mode.

A sixth aspect of the embodiments of the present invention provides an apparatus for selecting an operation mode of a universal serial bus device, comprising: acquiring means for acquiring a mode selection signal; and selecting means for selecting a signal according to the mode selection The operating mode of a universal serial bus device, the working mode being a host mode or a device mode.

A seventh aspect of the embodiments of the present invention provides a universal serial bus device, including: at least one connection interface, the at least one connection interface is used for accessing a terminal device; at least one processor, the at least one processor is separate Or commonly used to: acquire a mode selection signal; select an operation mode of the universal serial bus device according to the mode selection signal, the operation mode is a host mode or a device mode; and the terminal device according to the selected working mode Establishing a communication connection; transmitting or receiving data over the communication connection.

An eighth aspect of the embodiments of the present invention provides a universal serial bus device, including: at least two connection interfaces, the at least two connection interfaces including a first type connection interface and a second type connection interface; at least two processing The at least two processors include a first type of processor corresponding to the first type of connection interface and a second type of processor corresponding to the second type of connection interface; wherein The working mode of the first type of processor and the first type of connection interface is a host mode, and the working mode of the second type of processor and the second type of connection interface is a device mode.

A ninth aspect of the embodiments of the present invention provides a remote controller for an unmanned aerial vehicle, comprising: a universal serial bus device, the universal serial bus device comprising: at least one connection interface, wherein the at least one connection interface is used for connection Incoming terminal device; at least one processor, the at least one processor being used separately or collectively for: acquiring a mode selection signal; selecting an operating mode of the universal serial bus device according to the mode selection signal, the working mode being a host a mode or device mode; establishing a communication connection with the terminal device according to the selected mode of operation; a communication device for acquiring data through an additional communication link independent of the communication connection; wherein the at least A processor is further configured to: transmit the data to the terminal device over the communication connection.

Embodiments of the present invention select a universal serial bus device to operate in a host mode or operate in a device mode by a mode selection signal, and switch the operation of the universal serial bus device when there are different terminals accessing the universal serial bus device. Mode to ensure data interaction between the terminal device and the universal serial bus device. Furthermore, embodiments of the present invention also avoid situations where it is necessary to establish an independent wireless transmission path, and effectively avoid interference with existing wireless communication.

DRAWINGS

1 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 1 of the present invention;

2 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 2 of the present invention;

3 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 3 of the present invention;

4 is a schematic flowchart diagram of a method for selecting an operation mode of a universal serial bus device according to Embodiment 4 of the present invention;

5 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 5 of the present invention;

FIG. 6 is a schematic flowchart diagram of a data interaction method based on a universal serial bus according to Embodiment 1 of the present invention; FIG.

FIG. 7 is a flowchart of a data interaction method based on a universal serial bus according to Embodiment 2 of the present invention; schematic diagram;

FIG. 8 is a schematic flowchart diagram of a data interaction method based on a universal serial bus according to Embodiment 3 of the present invention; FIG.

FIG. 9 is a schematic flowchart diagram of a data interaction method according to Embodiment 1 of the present invention;

FIG. 10 is a schematic structural diagram of an apparatus for selecting an operation mode of a universal serial bus device according to another embodiment of the present invention; FIG.

11 is a schematic structural diagram of a universal serial bus device according to Embodiment 1 of the present invention;

12 is a schematic structural diagram of a universal serial bus device according to Embodiment 2 of the present invention;

FIG. 13 is a schematic structural diagram of a universal serial bus device according to Embodiment 3 of the present invention; FIG.

14 is a schematic structural diagram of a universal serial bus device according to Embodiment 4 of the present invention;

FIG. 15 is a schematic structural diagram of a remote controller of an unmanned aerial vehicle according to an embodiment of the present invention.

detailed description

Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. The features of the embodiments and examples described below can be combined with each other without conflict.

Embodiment 1

1 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 1 of the present invention. Referring to FIG. 1, the embodiment provides a method for selecting a universal serial bus device. Method of mode, including:

S1: acquiring a mode selection signal;

The specific content and specific type of the mode selection signal are not limited in this embodiment, and those skilled in the art may set according to specific design requirements. For example, the mode selection signal may be set to include: a universal serial bus device (below The access state, the switch signal, or the preset periodic signal of the connection interface of the USB device can be selected as long as the operation mode of the USB device can be selected through the above mode selection signal, and details are not described herein again.

S2: Select the working mode of the universal serial bus device according to the mode selection signal, and the working mode is the host mode or the device mode.

The analysis process for selecting the working mode of the USB device according to the mode selection signal is not limited, and those skilled in the art may set different analysis strategies according to specific design requirements and different mode selection signals, for example, according to the mode. Select signal to select USB device The working mode is set to: the mode selection signal is searched for a corresponding standard mode selection signal in a preset database, wherein the database stores a mapping relationship between the standard mode selection signal and the standard working mode, and can be found by determining the standard mode selection signal. To the standard working mode, the standard working mode is the working mode of the USB device to be selected; of course, those skilled in the art can also use other methods to select the working mode of the USB device, as long as the USB device can be determined quickly and accurately. The working mode is OK, and will not be described here.

The method for selecting the working mode of the universal serial bus device provided by the embodiment, selects the universal serial bus device to work in the host mode or works in the device mode by using the mode selection signal, and when there are different terminals accessing the universal string When the bus device is connected, the data interaction between the terminal device and the universal serial bus device is ensured by switching the working mode of the universal serial bus device. Furthermore, embodiments of the present invention also avoid situations where it is necessary to establish an independent wireless transmission path, and effectively avoid interference with existing wireless communication.

Embodiment 2

2 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 2 of the present invention; on the basis of the foregoing embodiment, referring to FIG. 2, when the mode selection signal is set to include When the access status of at least two connection interfaces of the universal serial bus device is further, the acquisition mode selection signal is further set to include:

S11: Acquire an access status of at least two connection interfaces of the universal serial bus device.

The universal serial bus device in this embodiment includes at least two connection interfaces, and the number of the specific connection interfaces is not limited. For example, the connection interfaces may be set to two, three, four, five, and the like. The specific number of the connection interfaces may be set according to specific design requirements. In addition, the connection interface in this embodiment is used to connect the terminal device, where the access state refers to the state in which the connection interface accesses the terminal device, including whether the connection interface is The connection terminal device and the connection interface of the specific access terminal device; the specific implementation process for obtaining the access state in this embodiment is not limited, and those skilled in the art can set according to specific design requirements, for example, by detecting universal serial The data flow at each connection interface of the bus device determines the access status. When the data flow of a connection interface is not zero, the connection interface is connected to the terminal device, and the terminal device can perform data interaction. Then, it can be determined that the access state of the connection interface is that the terminal device is connected. Of course, those skilled in the art can also use other methods to obtain the access status, as long as the access status of at least two connection interfaces of the universal serial bus device can be accurately obtained. Narration.

After acquiring the access status of the at least two connection interfaces of the universal serial bus device, the embodiment may set the operation mode of selecting the universal serial bus device according to the mode selection signal to include:

S21: Select a host mode as an operating mode of the universal serial bus device in response to the access terminal device on the first type of the at least two connection interfaces;

The device mode is selected as the operating mode of the universal serial bus device in response to the access terminal device on the second type of connection interface of the at least two connection interfaces.

The at least two connection interfaces in the embodiment include the first type of connection interface, and the specific interface type of the first type of connection interface is not limited, and those skilled in the art can set according to specific design requirements, and are optional. The first type of connection interface can be set to the type A universal serial bus interface; when the access terminal device of the first type of connection interface is detected, the type A universal serial bus interface is connected to the terminal device, and The type A universal serial bus interface can perform data interaction with the terminal device. At this time, the host mode is selected as the working mode of the universal serial bus device, thereby ensuring that the USB device performs data interaction with the terminal device through the first type of connection interface. The stable reliability used by the method for selecting the operating mode of the universal serial bus device is guaranteed.

In addition, at least two connection interfaces in the embodiment include a second type of connection interface, and the specific interface type of the second type of connection interface is not limited, and can be set according to specific design requirements, and can be selected by a person skilled in the art. The second type of connection interface can be set to a type B universal serial bus interface, a small universal serial bus interface or a micro universal serial bus interface; when the access terminal device is detected on the second type of connection interface, The B-type universal serial bus interface, the small universal serial bus interface or the micro universal serial bus interface has been connected to the terminal device, and the second type of connection interface performs data interaction with the terminal device. At this time, the host mode is selected as the universal string. The working mode of the bus device can ensure that the USB device performs data interaction with the terminal device through the second type of connection interface, thereby ensuring the stable reliability of the method for selecting the working mode of the universal serial bus device.

It should be noted that, in this embodiment, the device type of the terminal device that is connected to the first type of connection interface is not limited. Optionally, the terminal device that is connected to the first type of connection interface is set to be based on the Android operating system and / or the terminal device of the IOS operating system, in this case, the USB device working in the host mode can be effectively ensured to perform data interaction with the terminal device; and the device type of the terminal device accessed by the second type of connection interface is not limited. Optionally, the second type of connection interface is connected The terminal device is configured as a terminal device based on the Windows operating system and/or the Linux operating system. At this time, the USB device working in the device mode can be effectively ensured to perform data interaction with the terminal device.

The method for selecting the working mode of the universal serial bus device in this embodiment, when the USB device includes at least two connection interfaces, selects the working of the USB device according to the access state through the access state of the at least two connection interfaces. State, specifically, when the first type of connection interface is connected to the terminal device, the host mode is selected as the working mode of the USB device, and when the second type of connection interface is connected to the terminal device, the working mode is selected as the working mode of the USB device. The accuracy and reliability of the USB device working mode selection are effectively ensured, and the stability and reliability of data interaction between the USB device and the accessed terminal device in different working modes are ensured.

Embodiment 3

3 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 3 of the present invention. On the basis of the foregoing embodiment, referring to FIG. 3, when the mode selection signal includes a switch signal signal, When the acquisition mode selection signal is set to include:

S12: Acquire a switch signal, where the switch signal includes at least two switch states.

The switch signal is obtained by monitoring the execution action of the preset switch device. Specifically, the acquisition switch signal may be set to include:

Get the switching signal generated by the hardware switch or software switch.

The hardware switch or the software switch generates a corresponding action when the hardware switch or the software switch performs an operation, thereby generating a switch signal, wherein the switch signal includes at least two switch states, which are not limited by those skilled in the art. The setting is set according to specific design requirements. For example, two switch states can be set to include: an open state and a closed state, a first selected state, a second selected state, and the like.

After acquiring the switch signal, the embodiment may set the operation mode of selecting the universal serial bus device according to the mode selection signal to include:

S22: responsive to the switch signal being the first switch state of the at least two switch states, selecting the host mode as the working mode of the universal serial bus device;

In response to the switch signal being the second of the at least two switch states, the device mode is selected as the mode of operation of the universal serial bus device.

Wherein at least two of the two switch states in this embodiment include the first switch state, and The specific content and form of the first switch state are not limited, and those skilled in the art may set according to specific design requirements, for example, the first switch state may be set to the host mode state; when the switch signal is detected as the first In the switch state, at this time, in order to ensure data interaction between the USB device and other accessed terminal devices, the host mode is selected as the working mode of the universal serial bus device.

In addition, the second switch state is included in the at least two switch states in this embodiment, and the specific content and form of the second switch state are not limited, and those skilled in the art may set according to specific design requirements, for example, The second switch state can be set to the device mode state; when the switch signal is detected as the second switch state, at this time, in order to ensure data interaction between the USB device and other accessed terminal devices, the device mode is selected as the universal string. The mode of operation of the row bus device effectively ensures the stable reliability of the method used to select the mode of operation of the universal serial bus device.

Embodiment 4

4 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 4 of the present invention. On the basis of the foregoing embodiment, referring to FIG. 4, when the mode selection signal includes a preset For the periodic signal, the acquisition mode selection signal is set to include:

S13: Acquire a periodic signal, and the periodic signal includes at least two signal states in a single cycle.

The periodic signal is generated according to a preset period, that is, the working mode of the USB device at this time is selected according to a preset working period; the specific implementation process of acquiring the periodic signal is not limited in this embodiment. A person skilled in the art can set according to specific design requirements. For example, the acquisition cycle signal can be set to obtain the periodic signal by detecting the working time of the USB device and the preset period information, and in addition, for the cycle in this embodiment. The specific content and type of the signal in at least two signal states in a single cycle are not limited, and those skilled in the art can set according to specific design requirements. For example, two signal states can be set to include the first half cycle signal state and after. Half cycle signal status and more.

After acquiring the periodic signal, the embodiment may set the working mode of selecting the universal serial bus device according to the mode selection signal to include:

S23: responsive to the periodic signal being the first signal state, selecting the host mode as the working mode of the universal serial bus device;

In response to the periodic signal being the second signal state, the device mode is selected as the operating mode of the universal serial bus device.

The at least two signal states in this embodiment include the first signal state, and the specific content and form of the first signal state are not limited, and those skilled in the art may set according to specific design requirements, for example, The first signal state is set to enable the host mode signal; when the periodic signal is detected as the first signal state, at this time, in order to ensure data interaction between the USB device and other accessed terminal devices, the host mode is selected as the universal serial bus. The working mode of the device.

In addition, the second signal state is included in the at least two signal states in the embodiment, and the specific content and form of the second signal state are not limited, and those skilled in the art may set according to specific design requirements, for example, The second signal state is set to enable the host mode signal; when the periodic signal is detected as the second signal state, at this time, in order to ensure data interaction between the USB device and other accessed terminal devices, the device mode is selected as the universal serial bus. The mode of operation of the device effectively ensures the stable reliability of the method used to select the mode of operation of the universal serial bus device.

Embodiment 5

FIG. 5 is a schematic flowchart of a method for selecting an operation mode of a universal serial bus device according to Embodiment 5 of the present invention. On the basis of the foregoing embodiment, referring to FIG. 5, the preset The periodic signal is set to be a switching mode operation according to the periodic signal for the USB device, that is, when the USB device operates in the host mode, when the periodic signal is received in a single cycle, the USB device is caused by The host mode is switched to the device mode; or, when the USB device operates in the device mode, after receiving the periodic signal in a single cycle, the USB device is switched from the device mode to the host mode; of course, those skilled in the art can also The setting is set to another selection method. Alternatively, the operation mode of selecting the universal serial bus device according to the mode selection signal may be set to include:

S24: in the first half of the periodic signal, selecting the host mode as the working mode of the universal serial bus device;

In the second half of the periodic signal, the device mode is selected as the operating mode of the universal serial bus device.

Wherein, in a single cycle, the periodic signal includes the first half period and the second half period, and in the first half period of the periodic signal, the host mode is selected as the working mode of the USB device; when in the second half of the periodic signal When the device mode is selected as the working mode of the USB device, the USB device is automatically switched from the host device to the device mode to ensure the USB device and other terminal devices. The data interaction improves the flexibility of selecting the working mode of the USB device, thereby improving the practicability of the method for selecting the working mode of the universal serial bus device, and is beneficial to the promotion and application of the market.

Embodiment 6

The embodiment provides a storage medium, where the program code is stored, and when the program code is running, the universal serial bus device for selecting a universal serial bus device according to any one of the foregoing embodiments 1 - 5 is executed. The way of working mode.

The specific implementation process and the implementation effect of the method for selecting the working mode of the universal serial bus device performed by the storage medium in this embodiment are the same as the working mode for selecting the universal serial bus device in the first embodiment to the fifth embodiment. The specific implementation process and the implementation effect of the method are the same. For details, refer to the above statement, and details are not described herein again.

The storage medium provided in this embodiment selects a universal serial bus device to work in a host mode or works in a device mode through a mode selection signal, and when a different terminal accesses the universal serial bus device, by switching the universal serial bus The working mode of the device and the mode switching function of the universal serial bus device can be fully utilized to ensure data interaction between the terminal device and the universal serial bus device, thereby avoiding the need to establish an independent wireless transmission path, thereby effectively reducing the situation. The degree of signal interference is also realized. At the same time, the universal serial bus device can establish communication connection with various types of terminal devices, which effectively improves the practicability of the storage medium and is beneficial to the promotion and application of the market.

Example 7

FIG. 6 is a schematic flowchart of a data exchange method based on a universal serial bus according to Embodiment 1 of the present invention. Referring to FIG. 6, the embodiment provides a data interaction method based on a universal serial bus, and the data interaction method is provided. It is used to implement data interaction between the universal serial bus device and the terminal device. Specifically, the method includes:

S101: Acquire a mode selection signal;

S102: Select an operating mode of the universal serial bus device according to the mode selection signal, and the working mode is a host mode or a device mode;

For the specific implementation process and the implementation of the steps S101-S102 in the embodiment, and the specific implementation process and the implementation effect of the steps S1-S2 in the first embodiment, reference may be made to the above description, and details are not described herein again.

S103: Establish a communication connection with the terminal device according to the selected working mode.

After selecting the working mode of the USB device, the USB device establishes a communication connection with the terminal device according to the selected working mode. At this time, normal data interaction between the USB device and the terminal device can be effectively ensured.

S104: Send or receive data through a communication connection.

After the communication connection is established, the USB device can perform data interaction with the terminal device, where the data interaction process includes: the USB device sends data to the terminal device, and the USB device receives the data sent by the terminal device, and the specific data interaction manner can be determined according to the specific The design requirements are set as long as the data can be sent or received through the established communication connection between the terminal device and the USB device, and will not be described here.

The universal serial bus-based data interaction method provided by the embodiment selects the universal serial bus device to work in the host mode or in the device mode by using the mode selection signal, and after confirming the working mode, according to the selected working mode and The terminal device establishes a communication connection, thereby enabling the terminal device and the universal serial bus device to transmit or receive data through the communication connection, thereby realizing that the universal serial bus device can establish a communication connection with the plurality of types of terminal devices; It is necessary to establish an independent wireless transmission path, which facilitates the communication connection between the terminal device and the universal serial bus device, effectively reduces the degree of signal interference, and ensures the normal interaction of data interaction between the terminal device and the universal serial bus device, and is effective. The method improves the practicability of the method and is beneficial to the promotion and application of the market.

Example eight

FIG. 7 is a schematic flowchart of a data exchange method based on a universal serial bus according to Embodiment 2 of the present invention. Based on the foregoing embodiment, with reference to FIG. 6-7, the present embodiment is related to the selected working mode. The specific implementation process of the terminal device to establish a communication connection is not limited, and can be set by a person skilled in the art according to specific design requirements. Optionally, the communication connection with the terminal device according to the selected working mode is set to include:

S1031: Detecting the terminal device in the selected working mode;

After the working mode of the universal serial bus device is selected, the terminal device is detected when the universal serial bus device operates in the corresponding working mode. The specific implementation manner of the specific detecting terminal device is not limited in this embodiment, and those skilled in the art may Set according to specific design requirements, for example, it can detect the signal change of the universal serial bus device working in the selected working mode, such as whether the voltage change changes or whether the signal has a rising edge change, etc., as long as it can accurately Detection end The end device can be used, and will not be described here.

S1032: Establish a communication connection with the terminal device in response to detecting the terminal device.

When the universal serial bus device operating in the selected working mode detects the terminal device, it indicates that the universal serial bus device has recognized the terminal device at this time, and can establish a communication connection with the terminal device, wherein the establishment of the communication connection is It is used to implement data interaction between the universal serial bus device and the connected terminal device, and specifically includes a process of transmitting data or receiving data.

By detecting the terminal device in the selected working mode, after establishing the terminal device, establishing a communication connection with the terminal device, effectively ensuring stable communication reliability of establishing a communication connection with the terminal device according to the selected working mode, effectively The normal data interaction between the terminal device and the universal serial bus device is ensured, which further improves the stability and reliability of the method.

Example nine

FIG. 8 is a schematic flowchart of a data exchange method based on a universal serial bus according to Embodiment 3 of the present invention. On the basis of the foregoing embodiment, referring to FIG. 8 , it is known that the terminal device is established in response to detecting the terminal device. After the communication connection, the method further includes:

S1033: aborting the detecting process in response to establishing a communication connection with the terminal device;

Since the terminal device has been detected and a communication connection has been established with the detected terminal device, in order to improve the efficiency and quality of the data interaction, the detection process can be suspended, thereby reducing the data resources required for data processing, and improving the data resource. The efficiency of data interaction between the terminal device and the communication serial interface device effectively improves the practicability of the method.

In addition, after the terminal device performs data interaction with the communication serial interface device, the method may also be set to include:

S1034: Resume the detection process in response to disconnecting the communication connection with the terminal device.

When it is detected that the universal serial interface device disconnects the communication connection with the terminal device, it indicates that the data interaction operation between the terminal device and the universal serial interface device has been completed, and at this time, the terminal device and the universal serial can be disconnected. The communication connection between the interface devices continues to detect whether other terminal devices can establish a communication connection with the universal serial interface device, thereby effectively implementing data interaction between the universal serial interface device and the plurality of terminal devices, and further improving the method The practicality is conducive to the promotion and application of the market.

Example ten

FIG. 9 is a schematic flowchart of a data interaction method according to Embodiment 1 of the present invention; FIG. 9 It can be seen that the data interaction method is used to implement a data interaction process between a terminal device and a third-party device through a universal serial bus device, where the third-party device can be an unmanned aerial vehicle, specifically The method includes:

S201: Acquire a mode selection signal;

S202: Select an operating mode of the universal serial bus device according to the mode selection signal, and the working mode is a host mode or a device mode;

S203: Establish a communication connection with the terminal device according to the selected working mode.

For the specific implementation process and the implementation of the steps S201-S203 in the embodiment, and the specific implementation process and the implementation of the steps S101-S103 in the foregoing seventh embodiment, reference may be made to the foregoing content, and details are not described herein again.

S204: Acquire data through another communication link that is independent of the communication connection;

The communication connection is a communication connection established between the universal serial bus device and the terminal device, and the communication link in this embodiment is a completely different data link from the communication connection, that is, the data interaction of the communication link. The data interaction process of the foregoing communication connection is completely independent; in this embodiment, the data can be obtained through the communication link. The specific content of the data is not limited in this embodiment, and those skilled in the art can set according to specific design requirements. Optionally, the data may be set to include: image data and flight data, thereby enabling the communication serial bus device to quickly and accurately acquire image data and flight data through the communication link, wherein the image data and the flight data The unmanned aerial vehicle can be sent to the communication serial bus device via the above communication link.

S205: Transmit data to the terminal device through a communication connection.

After acquiring the data information, the communication serial bus device transmits the data to the terminal device through a communication connection established with the terminal setting, thereby enabling the terminal device to quickly and accurately acquire image data and flight data, which is convenient. The user analyzes and consults the image data and flight data through the terminal data, which improves the practicability of the method.

The data interaction method provided in this embodiment selects the universal serial bus device to work in the host mode or works in the device mode by using the mode selection signal, and after confirming the working mode, establish a communication connection with the terminal device according to the selected working mode. Further, the terminal device and the universal serial bus device can transmit or receive data through a communication connection. Further, data is acquired through another communication link independent of the communication connection, and the acquired data can be sent to the communication connection through the communication connection. At the terminal device; avoiding the need to establish an independent wireless transmission path, effectively The degree of signal interference is reduced; the terminal device is communicably connected with the UAV and the universal serial bus device, and the data interaction between the terminal device and the UAV and the universal serial bus device is ensured, and the data is effectively performed. The practicality of the method is improved, which is beneficial to the promotion and application of the market.

Embodiment 11

On the basis of the foregoing embodiments, with reference to FIG. 9, the specific implementation process of acquiring data by using another communication link independent of the communication connection is not limited, and optionally, the communication connection is independent. The additional communication link acquisition data is set to include: acquiring data over the wireless link.

The wireless link may be a Wi-Fi link or a Bluetooth link, etc. Further, the implementation may also set the data acquired through the wireless link to include: passing between the unmanned aerial vehicle and the unmanned aerial vehicle remote controller The wireless link acquires data.

Wherein, the established wireless link is a communication connection between the unmanned aerial vehicle and the remote controller of the unmanned aerial vehicle, that is, during the operation of the unmanned aerial vehicle, the unmanned aerial vehicle records the operational data of the unmanned aerial vehicle, that is, the above Data, the remote controller of the UAV can obtain data from the unmanned aerial vehicle through the wireless link, and then the remote controller of the UAV can transmit the acquired data to the terminal device through a communication connection established with the terminal device. Furthermore, it is effective to ensure that the terminal device can accurately and efficiently acquire the data information of the UAV, and facilitate the user to access and analyze the data information, thereby further improving the practicability of the method.

Example twelve

The present embodiment provides an apparatus for selecting an operating mode of a universal serial bus device, comprising: at least one processor, at least one of which is used individually or collectively for:

Obtaining a mode selection signal;

The working mode of the universal serial bus device is selected according to the mode selection signal, and the working mode is the host mode or the device mode.

It should be noted that one or more processors in this embodiment include, but are not limited to, a microprocessor (English: microcontroller), a reduced instruction set computer (English: reduced RISC), an application specific integrated circuit ( English: application specific integrated circuits (ASIC), application-specific instruction-set processor (ASIP), central processing unit (English: central processing) Unit, referred to as: CPU), physical processor English (English: physics processing unit, referred to as: PPU), digital signal processor (English: digital signal processor, referred to as DSP), field programmable gate array (English: field programmable gate array , referred to as: FPGA) and so on.

In addition, the specific implementation process and the implementation effect of the operation steps that can be implemented by the processor in this embodiment are the same as the specific implementation process and the implementation effect of the steps S1-S2 in the first embodiment, and the specific content may be referred to herein. Let me repeat.

The embodiment provides a device for selecting an operating mode of a universal serial bus device, and the processor selects a universal serial bus device to work in a host mode or works in a device mode through a mode selection signal, and fully utilizes a universal The mode switching function of the serial bus device can ensure the data interaction between the terminal and the universal serial bus device by switching the working mode of the universal serial bus device when different terminals are connected to the universal serial bus device, thereby avoiding the data interaction between the terminal and the universal serial bus device. It is also necessary to establish an independent wireless transmission path to facilitate communication connection between other terminal devices and the universal serial bus device, thereby ensuring normal data interaction between the terminal device and the universal serial bus device, and effectively improving the device. Practicality is conducive to the promotion and application of the market.

Example thirteen

On the basis of the foregoing embodiment, at least one processor in this embodiment is configured to perform the steps of the method for selecting an operation mode of a universal serial bus device according to any one of the foregoing second embodiment to fifth embodiment, For the implementation process and the implementation of the specific steps performed by the processor in this embodiment, reference may be made to the description in the foregoing Embodiment 2 - Embodiment 5, and details are not described herein again.

Embodiment 14

FIG. 10 is a schematic structural diagram of an apparatus for selecting an operation mode of a universal serial bus device according to another embodiment of the present invention. Referring to FIG. 10, the embodiment provides a device for selecting a universal serial bus device. The working mode of the device, specifically, the device includes:

The acquiring device 11 is configured to acquire a mode selection signal;

The selecting device 12 is configured to select an operating mode of the universal serial bus device according to the mode selection signal, and the working mode is a host mode or a device mode.

The specific shape and structure of the obtaining device 11 and the selecting device 12 are not limited in this embodiment, and those skilled in the art can perform any setting according to the specific operation steps implemented by the present invention, and details are not described herein again. In addition, the acquiring device in this embodiment is not described herein. 11 and the specific implementation process and implementation effect of the operation steps implemented by the selection device 12 and the specific implementation process and the implementation effect of the steps S1-S2 in the first embodiment For the same, please refer to the above statement for details, and details are not described herein again.

The device for selecting the working mode of the universal serial bus device provided by the embodiment, specifically, the mode selection signal is acquired by the obtaining device 11, and the selecting device 12 selects the universal serial bus device to operate in the host mode according to the mode selection signal. Or working in the device mode, fully utilizing the mode switching function of the universal serial bus device, when there are different terminals accessing the universal serial bus device, the terminal can be guaranteed by switching the working mode of the universal serial bus device The data interaction with the universal serial bus device avoids the need to establish an independent wireless transmission path, facilitates the communication connection between other terminal devices and the universal serial bus device, and ensures the data between the terminal device and the universal serial bus device. The normal operation of the interaction effectively improves the practicability of the device and is beneficial to the promotion and application of the market.

Example fifteen

Based on the above embodiment, with continued reference to FIG. 10, when the mode selection signal is set to include the access state of at least two connection interfaces of the universal serial bus device, further, the acquisition device 11 is set to be used. to:

Obtaining access status of at least two connection interfaces of the universal serial bus device.

After acquiring the access status of at least two connection interfaces of the universal serial bus device, the present embodiment may set the selection device 12 to:

Selecting a host mode as an operating mode of the universal serial bus device in response to the access terminal device on the first type of connection interface of the at least two connection interfaces;

Among them, it should be noted that the first type of connection interface is a type A universal serial bus interface, and the second type of connection interface is a type B universal serial bus interface, a small universal serial bus interface or a micro universal serial bus interface.

The specific implementation process and the implementation effect of the operation steps of the obtaining device 11 and the selecting device 12 in this embodiment are the same as the specific implementation processes and the implementation effects of the steps S11 and S21 in the second embodiment. For details, refer to the above statement. This will not be repeated here.

The device for selecting the working mode of the universal serial bus device in this embodiment, when the USB device includes at least two connection interfaces, selects the working of the USB device according to the access state through the access state of the at least two connection interfaces. State, specifically, when the first type of connection interface is connected to the terminal device, The selecting device 12 selects the host mode as the working mode of the USB device. When the second type of connection interface accesses the terminal device, the selecting device 12 selects the working mode as the working mode of the USB device, thereby effectively ensuring the selection of the operating mode of the USB device. Accurate reliability ensures stable and reliable data interaction between USB devices and connected terminal devices in different working modes.

Example sixteen

Based on the above embodiment, with continued reference to FIG. 10, when the mode selection signal includes the switching signal signal, further, the obtaining device 11 is configured to:

The switching signal is obtained, and the switching signal includes at least two switching states.

Further, the obtainable device 11 is configured to:

Get the switching signal generated by the hardware switch or software switch.

After acquiring the switching signal, the present embodiment can set the selection device 12 to:

Selecting a host mode as an operating mode of the universal serial bus device in response to the switch signal being the first one of the at least two switch states;

The specific implementation process and the implementation effect of the operation steps implemented by the obtaining device 11 and the selecting device 12 in this embodiment are the same as the specific implementation processes and implementation effects of the steps S12 and S22 in the third embodiment, and may be specifically referred to the above statement. This will not be repeated here.

Example seventeen

Based on the above embodiment, with continued reference to FIG. 10, when the mode selection signal includes a preset periodic signal, the acquisition device 11 is configured to:

A periodic signal is acquired, the periodic signal including at least two signal states in a single cycle.

After acquiring the periodic signal, the present embodiment can set the selection device 12 to:

In response to the periodic signal being the first signal state, selecting the host mode as the operating mode of the universal serial bus device;

Further, in this embodiment, the selecting device 12 can also be configured to:

In the first half of the periodic signal, the host mode is selected as the operating mode of the universal serial bus device;

The specific implementation process and the implementation effect of the operation steps of the obtaining device 11 and the selecting device 12 in the embodiment are the same as the specific implementation processes and the implementation effects of the steps S13 and S23-S24 in the fourth and fifth embodiments. The content of the statement will not be repeated here.

Example 18

FIG. 11 is a schematic structural diagram of a universal serial bus device according to Embodiment 1 of the present invention; and as shown in FIG. 11, the embodiment provides a universal serial bus device for performing with a terminal device. Communication connection, specifically, the device includes:

At least one connection interface 101, at least one connection interface 101 is used for accessing the terminal device;

At least one processor 102, at least one processor 102, used alone or in common:

Obtaining a mode selection signal;

Selecting a working mode of the universal serial bus device according to the mode selection signal, and the working mode is a host mode or a device mode;

Establishing a communication connection with the terminal device according to the selected working mode;

Send or receive data over a communication connection.

The specific number of the connection interface 101 and the processor 102 is not limited in this embodiment, and can be set by a person skilled in the art according to specific design requirements. For example, the connection interface 101 and the processor 102 can be respectively set to include one. 2, 3, or 4, etc.; in addition, the specific implementation process and implementation effect of the operation steps implemented by the processor 102 in this embodiment and the specific implementation process and implementation of the steps S101-S104 in the seventh embodiment The effects are the same. For details, refer to the above statement, and details are not described herein again.

It should be noted that, since the connection interface in the USB device can be the host mode or the device mode, when the access terminal is a smart terminal, specifically, the two camps of the current operating system of the smart terminal are android and ios, these The devices provide a unique communication interface for the connection interface. These interfaces require the usb interface in the UAV system to work in the host mode by default, and in the specific implementation of data interaction, for the android device, the ao interface can be used for communication; for the ios device The role of the role switch mode and the ea native transport interface can be used. At this time, the terminal device can be accurately identified, and the communication connection between the terminal device and the USB device can be established, so that a good device compatibility is achieved.

The universal serial bus device provided by the embodiment selects the universal serial bus device to work in the host mode or works in the device mode by using the mode selection signal, and establishes communication with the terminal device according to the selected working mode after confirming the working mode. The connection can further enable the terminal device to transmit or receive data through the communication connection between the universal serial bus device; avoid the need to establish an independent wireless transmission path, and facilitate the communication connection between the terminal device and the universal serial bus device to ensure communication The normal interaction of data interaction between the terminal device and the universal serial bus device effectively improves the practicability of the universal serial bus device and is beneficial to the promotion and application of the market.

Example 19

On the basis of the foregoing embodiments, referring to FIG. 12, at least one processor 102 in this embodiment is further configured to perform the method for performing a universal serial bus-based data interaction method in the above-mentioned Embodiments 8 to 9. For the implementation process and the implementation of the specific steps performed by the processor 102 in this embodiment, reference may be made to the description in the foregoing Embodiment 8 - Embodiment 9, and details are not described herein again.

Example twenty

FIG. 12 is a schematic structural diagram of a universal serial bus device according to Embodiment 2 of the present invention. On the basis of the foregoing embodiment, referring to FIG. 12, the present embodiment sets at least one connection interface 102 to include: Connection interface 1011 and second type connection interface 1012;

The first type of connection interface 1011 and the second type of connection interface 1012 are connected to the same processor 102. The first type of connection interface 1011 operates in a host mode, and the second type of connection interface 1012 operates in a device mode.

The specific interface type of the first type of the connection interface 1011 and the second type of connection interface 1012 is not limited in this embodiment, and those skilled in the art may set according to specific design requirements. Optionally, the first type of connection interface is set to 1011. For the Type A universal serial bus interface, the second type of connection interface 1012 is set to a Type B universal serial bus interface, a small universal serial bus interface, or a micro universal serial bus interface.

In a specific application, the universal serial bus device can be configured to include one processor 102. In this case, the universal serial bus device includes interface A and interface B, wherein interface A corresponds to the host mode, and interface B corresponds to the device mode. The two connection interfaces are connected to the same USB controller. At this time, the universal serial bus device can establish a communication connection with the terminal device through interface A or interface B, thereby implementing data interaction between the universal serial bus device and the terminal device. The process of the universal serial bus device at this time can only support the access of one type of terminal device at the same time.

Embodiment 21

13 is a schematic structural diagram of a universal serial bus device according to Embodiment 3 of the present invention; on the basis of the foregoing embodiment, with reference to FIG. 13, it can be seen that, in order to facilitate selection of the working mode of the universal serial bus device, The device is configured to include: a hardware switch 103 having at least a first switch state and a second switch state, the hardware switch 103 being coupled to the at least one processor 102;

The specific shape and structure of the hardware switch 103 are not limited, and those skilled in the art can arbitrarily set the hardware switch 103 according to the operation steps thereof, and details are not described herein. In addition, those skilled in the art can set the hardware switch 103. The working mode of the first switch state is the master mode, the working mode of the second switch state of the hardware switch 103 is the device mode, or the working mode of the first switch state may be set to the device mode, and the second switch state is operated. The mode is host mode and so on.

In a specific application, the number of the connection interfaces 101 at this time can be set to one. In this case, in order to satisfy the connection interface 101, the access device can be applied to different access devices of different device types, and the different switch states of the hardware switch 103 are processed. The device 102 can select the working mode of the connection interface 101 according to the corresponding switch state, thereby ensuring the communication connection between the universal serial bus device and the terminal device.

Example twenty two

14 is a schematic structural diagram of a universal serial bus device according to Embodiment 4 of the present invention; and as shown in FIG. 14, the embodiment provides a universal serial bus device for performing with a terminal device. Communication connection, specifically, the device includes:

At least two connection interfaces 101, at least two connection interfaces 101 include a first type of connection interface and a second type of connection interface;

At least two processors 102, at least two processors 102 comprising a first type of processor corresponding to the first type of connection interface and a second type of processor corresponding to the second type of connection interface;

The working mode of the first type of processor and the first type of connection interface is a host mode, and the working mode of the second type of processor and the second type of connection interface is a device mode.

The specific number of the connection interface 101 and the processor 102 is not limited in this embodiment, and can be set by a person skilled in the art according to specific design requirements. For example, the connection interface 101 and the processor 102 can be respectively set to include one and two. For the specific application, the connection interface 101 and the processor 102 can be set to two. Specifically, the connection interface 101 includes: interface A and interface B, wherein interface A corresponds to the host mode. (host mode), interface B corresponds to device Mode (device mode), the processor 102 includes: a first type processor and a second type processor, the first type of processor is connected to the interface A, and the second type of processor is connected to the interface B. The serial bus device can support the access of two different terminal devices at the same time, thereby improving the practicability of the universal serial bus device and facilitating the promotion and application of the market.

Example twenty-three

In addition, in the process of implementing the technical solution, the inventor finds that the ground station in the prior art is separated from the unmanned aerial vehicle remote control system, and uses an independent data link to interact with the unmanned aerial vehicle, for example, the most commonly used ones at present. The Bluetooth ground station will add a radio station on the ground side, and install a Bluetooth module on the radio station, which can be directly connected to the sky-side wireless control system of the UAV; and a Bluetooth module is also installed on the third-party equipment. The Bluetooth module connected to the radio station interacts with the flight controller through the data link created by the Bluetooth module and the radio station; however, the ground station in the prior art has the following drawbacks: the resources existing in the UAV system are not fully utilized. It is necessary to set up an independent wireless transmission system, and the redundancy is increased, which increases the user cost and is not conducive to the promotion and application of the market.

FIG. 15 is a schematic structural diagram of a remote controller of an unmanned aerial vehicle according to an embodiment of the present invention. Referring to FIG. 15 , in order to overcome the above problems in the prior art, the present embodiment provides a remote controller for an unmanned aerial vehicle. include:

Universal Serial Bus Device 20, Universal Serial Bus Device 20 includes:

At least one connection interface 201, at least one connection interface 201 is used to access the terminal device 10;

At least one processor 202, at least one processor 202, used alone or collectively, is used to:

Obtaining a mode selection signal;

Selecting an operation mode of the universal serial bus device 20 according to a mode selection signal, and the working mode is a host mode or a device mode;

Establishing a communication connection with the terminal device 10 according to the selected working mode;

a communication device 203 for acquiring data through an additional communication link that is independent of the communication connection;

The at least one processor 202 is further configured to:

The data is transmitted to the terminal device 10 through a communication connection.

Further, in this embodiment, the communication device 203 can be configured to: acquire data through a wireless link; specifically, the communication device 203 is configured to: pass the unmanned aerial vehicle 30 and the unmanned aerial vehicle The data is obtained by the wireless link between the remote controllers; the specific content of the data is not limited in this embodiment, and can be set by a person skilled in the art according to specific design requirements. Optionally, the data is set to include: an image. Data and flight data.

The specific implementation process and the implementation effect of the operation steps implemented by the connection interface 201, the processor 203, and the communication device 203 included in the universal serial bus device 20 in this embodiment are different from the specific implementations of steps S201-S205 in the above tenth embodiment. The process and the implementation effect are the same. For details, refer to the above statement, and details are not described herein again.

The remote controller of the UAV provided by the embodiment obtains data through another communication link independent of the communication connection, and can send the acquired data to the terminal device through the communication connection; avoiding the need to establish independent wireless In the case of the transmission path, the terminal device is conveniently connected with the UAV and the universal serial bus device, and the data interaction between the terminal device and the unmanned aerial vehicle and the unmanned aerial vehicle remote controller is ensured, thereby effectively improving the The practicality of the remote control of the unmanned aerial vehicle is conducive to the promotion and application of the market.

In the several embodiments provided by the present invention, it should be understood that the related apparatus and method disclosed may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of modules or units is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

The units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

An integrated unit, if implemented in the form of a software functional unit and sold or used as a standalone product, can be stored in a computer readable storage medium. Based on such understanding, the present invention Technical Solution In essence or in part that contributes to the prior art, or all or part of the technical solution may be embodied in the form of a software product, the computer software product is stored in a storage medium, including a plurality of instructions for making A computer processor performs all or part of the steps of the various embodiments of the present invention. The foregoing storage medium includes: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes.

The above are only the embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

A method for selecting an operating mode of a universal serial bus device, comprising:

Obtaining a mode selection signal;

The operating mode of the universal serial bus device is selected according to the mode selection signal, and the working mode is a host mode or a device mode.
The method according to claim 1, wherein the acquiring a mode selection signal comprises:

Obtaining an access status of at least two connection interfaces of the universal serial bus device.
The method of claim 2, wherein the selecting a mode of operation of the universal serial bus device according to the mode selection signal comprises:

Selecting a host mode as an operation mode of the universal serial bus device in response to an access terminal device on the first type of connection interface of the at least two connection interfaces;

And in response to the access terminal device on the second type of connection interface of the at least two connection interfaces, selecting a device mode as an operation mode of the universal serial bus device.
The method according to claim 3, wherein the first type of connection interface is a type A universal serial bus interface, and the second type of connection interface is a type B universal serial bus interface, a small universal serial bus. Interface or micro universal serial bus interface.
The method according to claim 1, wherein the acquiring a mode selection signal comprises:

A switching signal is obtained, the switching signal comprising at least two switching states.
The method according to claim 5, wherein the acquiring the switch signal comprises:

Get the switching signal generated by the hardware switch or software switch.
The method according to claim 5, wherein the selecting a working mode of the universal serial bus device according to the mode selection signal comprises:

Selecting a host mode as an operation mode of the universal serial bus device in response to the switch signal being a first switch state of the at least two switch states;

In response to the switch signal being a second switch state of the at least two switch states, a device mode is selected as an operational mode of the universal serial bus device.
The method according to claim 1, wherein the acquiring a mode selection signal comprises:

A periodic signal is acquired that includes at least two signal states in a single cycle.
The method according to claim 8, wherein the selecting a working mode of the universal serial bus device according to the mode selection signal comprises:

Selecting a host mode as an operation mode of the universal serial bus device in response to the periodic signal being a first signal state;

In response to the periodic signal being the second signal state, the device mode is selected as the operational mode of the universal serial bus device.
The method according to claim 8, wherein the selecting a working mode of the universal serial bus device according to the mode selection signal comprises:

In the first half of the periodic signal, selecting a host mode as an operating mode of the universal serial bus device;

In the second half of the periodic signal, the device mode is selected as the operating mode of the universal serial bus device.
A storage medium, wherein the storage medium stores therein a program code, and when the program code is executed, performs the selection of a universal serial bus device according to any one of claims 1-10. The way of working mode.
A universal serial bus-based data interaction method, comprising:

Obtaining a mode selection signal;

Selecting an operation mode of the universal serial bus device according to the mode selection signal, where the working mode is a host mode or a device mode;

Establishing a communication connection with the terminal device according to the selected working mode;

Data is transmitted or received over the communication connection.
The method according to claim 12, wherein the establishing a communication connection with the terminal device according to the selected working mode comprises:

Detecting the terminal device in the selected working mode;

A communication connection is established with the terminal device in response to detecting the terminal device.
The method of claim 13 further comprising:

The probing process is aborted in response to establishing a communication connection with the terminal device.
The method of claim 14 further comprising:

The probing process is resumed in response to disconnecting the communication connection with the terminal device.
A data interaction method, comprising:

Obtaining a mode selection signal;

Selecting an operation mode of the universal serial bus device according to the mode selection signal, where the working mode is a host mode or a device mode;

Establishing a communication connection with the terminal device according to the selected working mode;

Acquiring data through an additional communication link that is independent of the communication connection;

Transmitting the data to the terminal device over the communication connection.
The method of claim 16 wherein said obtaining data via an additional communication link independent of said communication connection comprises:

Get data through a wireless link.
The method according to claim 16, wherein the obtaining data by using a wireless link comprises:

Data is acquired by a wireless link between the unmanned aerial vehicle and the remote control of the unmanned aerial vehicle.
The method according to any one of claims 16 to 18, wherein the data comprises image data and flight data.
An apparatus for selecting an operating mode of a universal serial bus device, comprising: at least one processor, the at least one processor being used individually or collectively for:

Obtaining a mode selection signal;

The operating mode of the universal serial bus device is selected according to the mode selection signal, and the working mode is a host mode or a device mode.
The device according to claim 20, wherein said at least one processor is configured to:

Obtaining an access status of at least two connection interfaces of the universal serial bus device.
The device according to claim 21, wherein said at least one processor, Used for:

Selecting a host mode as an operation mode of the universal serial bus device in response to an access terminal device on the first type of connection interface of the at least two connection interfaces;

And in response to the access terminal device on the second type of connection interface of the at least two connection interfaces, selecting a device mode as an operation mode of the universal serial bus device.
The device according to claim 22, wherein said first type of connection interface is a type A universal serial bus interface, and said second type of connection interface is a type B universal serial bus interface, a small universal serial bus Interface or micro universal serial bus interface.
The device according to claim 20, wherein said at least one processor is configured to:

A switching signal is obtained, the switching signal comprising at least two switching states.
The device according to claim 24, wherein said at least one processor is configured to:

Get the switching signal generated by the hardware switch or software switch.
The device according to claim 24, wherein said at least one processor is configured to:

Selecting a host mode as an operation mode of the universal serial bus device in response to the switch signal being a first switch state of the at least two switch states;

In response to the switch signal being a second switch state of the at least two switch states, a device mode is selected as an operational mode of the universal serial bus device.
The device according to claim 20, wherein said at least one processor is configured to:

A periodic signal is acquired that includes at least two signal states in a single cycle.
The device according to claim 27, wherein said at least one processor is configured to:

Selecting a host mode as an operation mode of the universal serial bus device in response to the periodic signal being a first signal state;

In response to the periodic signal being the second signal state, the device mode is selected as the operational mode of the universal serial bus device.
The device according to claim 27, wherein said at least one processor, Used for:

In the first half of the periodic signal, selecting a host mode as an operating mode of the universal serial bus device;

In the second half of the periodic signal, the device mode is selected as the operating mode of the universal serial bus device.
A device for selecting an operating mode of a universal serial bus device, comprising:

Obtaining means for acquiring a mode selection signal;

And a selecting means for selecting an operating mode of the universal serial bus device according to the mode selection signal, the working mode being a host mode or a device mode.
The device according to claim 30, wherein the obtaining means is configured to:

Obtaining an access status of at least two connection interfaces of the universal serial bus device.
The device according to claim 31, wherein said selecting means is for:

Selecting a host mode as an operation mode of the universal serial bus device in response to an access terminal device on the first type of connection interface of the at least two connection interfaces;

And in response to the access terminal device on the second type of connection interface of the at least two connection interfaces, selecting a device mode as an operation mode of the universal serial bus device.
The device according to claim 32, wherein said first type of connection interface is a type A universal serial bus interface, and said second type of connection interface is a type B universal serial bus interface, a small universal serial bus Interface or micro universal serial bus interface.
The device according to claim 30, wherein the obtaining means is configured to:

A switching signal is obtained, the switching signal comprising at least two switching states.
The device according to claim 34, wherein the obtaining means is configured to:

Get the switching signal generated by the hardware switch or software switch.
The device according to claim 34, wherein said selecting means is for:

Selecting a host mode as an operation mode of the universal serial bus device in response to the switch signal being a first switch state of the at least two switch states;

In response to the switch signal being a second switch state of the at least two switch states, a device mode is selected as an operational mode of the universal serial bus device.
The device according to claim 30, wherein the obtaining means is configured to:

A periodic signal is acquired that includes at least two signal states in a single cycle.
The device according to claim 37, wherein said selecting means is for:

Selecting a host mode as an operation mode of the universal serial bus device in response to the periodic signal being a first signal state;

In response to the periodic signal being the second signal state, the device mode is selected as the operational mode of the universal serial bus device.
The device according to claim 37, wherein said selecting means is for:

In the first half of the periodic signal, selecting a host mode as an operating mode of the universal serial bus device;

In the second half of the periodic signal, the device mode is selected as the operating mode of the universal serial bus device.
A universal serial bus device, comprising:

At least one connection interface, the at least one connection interface is used to access the terminal device;

At least one processor, the at least one processor being used individually or collectively:

Obtaining a mode selection signal;

Selecting an operation mode of the universal serial bus device according to the mode selection signal, where the working mode is a host mode or a device mode;

Establishing a communication connection with the terminal device according to the selected working mode;

Data is transmitted or received over the communication connection.
The universal serial bus device according to claim 40, wherein said at least one processor is configured to:

Detecting the terminal device in the selected working mode;

A communication connection is established with the terminal device in response to detecting the terminal device.
The universal serial bus device according to claim 41, wherein the at least one processor is further configured to:

The probing process is aborted in response to establishing a communication connection with the terminal device.
The universal serial bus device according to claim 42, wherein said at least one processor is further configured to:

The probing process is resumed in response to disconnecting the communication connection with the terminal device.
The universal serial bus device according to claim 40, wherein said at least one connection interface comprises: a first type of connection interface and a second type of connection interface;

The first type of connection interface and the second type of connection interface are connected to the same processor.
The universal serial bus device according to claim 44, wherein said first type of connection interface is a type A universal serial bus interface, and said second type of connection interface is a type B universal serial bus interface, small Universal serial bus interface or micro universal serial bus interface.
The universal serial bus device of claim 40, further comprising: a hardware switch having at least a first switch state and a second switch state, said hardware switch being coupled to said at least one processor.
A universal serial bus device, comprising:

At least two connection interfaces, the at least two connection interfaces including a first type connection interface and a second type connection interface;

At least two processors, the at least two processors including a first type of processor corresponding to the first type of connection interface and a second type of processor corresponding to the second type of connection interface;

The working mode of the first type of processor and the first type of connection interface is a host mode, and the working mode of the second type of processor and the second type of connection interface is a device mode.
A remote controller for an unmanned aerial vehicle, comprising:

A universal serial bus device, the universal serial bus device comprising:

At least one connection interface, the at least one connection interface is used to access the terminal device;

At least one processor, the at least one processor being used individually or collectively:

Obtaining a mode selection signal;

Selecting an operation mode of the universal serial bus device according to the mode selection signal, where the working mode is a host mode or a device mode;

Establishing a communication connection with the terminal device according to the selected working mode;

a communication device for acquiring data via an additional communication link independent of the communication connection;

Wherein the at least one processor is further configured to:

Transmitting the data to the terminal device over the communication connection.
A remote controller for an unmanned aerial vehicle according to claim 48, wherein said communication device is configured to:

Get data through a wireless link.
A remote controller for an unmanned aerial vehicle according to claim 49, wherein said communication device is configured to:

Data is acquired by a wireless link between the unmanned aerial vehicle and the remote control of the unmanned aerial vehicle.
The remote controller for an unmanned aerial vehicle according to any one of claims 48 to 50, wherein the data comprises image data and flight data.