WO2021254063A1 - 接口切换装置、通信设备及接口切换方法 - Google Patents

接口切换装置、通信设备及接口切换方法 Download PDF

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Publication number
WO2021254063A1
WO2021254063A1 PCT/CN2021/094196 CN2021094196W WO2021254063A1 WO 2021254063 A1 WO2021254063 A1 WO 2021254063A1 CN 2021094196 W CN2021094196 W CN 2021094196W WO 2021254063 A1 WO2021254063 A1 WO 2021254063A1
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Prior art keywords
interface
peripheral
controller
voltage
target
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PCT/CN2021/094196
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English (en)
French (fr)
Inventor
程鑫轶
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京东方科技集团股份有限公司
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Priority to US17/762,013 priority Critical patent/US11853247B2/en
Publication of WO2021254063A1 publication Critical patent/WO2021254063A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/40—Bus coupling

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to an interface switching device, communication equipment, and an interface switching method.
  • the communication module is generally provided with an external interface terminal, such as PCIE, USB, M2 interface, etc.
  • the external interface terminal is used to directly connect to a specific type of external device, or to connect incompatible components through an external interface conversion component. External devices. .
  • the present disclosure provides an interface switching device, communication equipment and interface switching method.
  • the present disclosure discloses an interface switching device, including: an interface conversion component, a detection component, and a controller; wherein,
  • the first end of the interface conversion component is connected to a public interface
  • the second end of the interface conversion component is connected to the controller
  • the interface conversion component is configured to control the control signal sent by the controller.
  • the public interface is connected to a target interface of at least two peripheral interfaces;
  • the detection component is connected to the controller and the at least two peripheral interfaces respectively, and the detection component is configured to detect voltage signals at the at least two peripheral interfaces;
  • the controller is configured to determine, according to the voltage signal, that a target interface of an external device is connected to the at least two peripheral interfaces, generate the control signal, and send the control signal to the interface conversion Components.
  • the interface switching device further includes: a voltage conversion component
  • the voltage conversion component is respectively connected to the interface conversion component and the controller, and the voltage conversion component is configured to perform conversion processing on the voltage provided by the external power supply to the interface conversion component and the controller, and respectively The interface conversion component and the controller output a conversion voltage.
  • the detection component includes at least two groups of detection circuits, each group of detection circuits is correspondingly connected to the peripheral interface, and each group of the detection circuits includes: a first resistor, a second resistor, a third resistor, and a fourth resistor. Resistors, transistors and diodes;
  • One end of the first resistor is electrically connected to the anode of the diode and the corresponding peripheral interface, and the other end of the first resistor is electrically connected to one end of the second resistor and one end of the third resistor, respectively ;
  • the other end of the second resistor is grounded, and the other end of the third resistor is electrically connected to the control electrode of the transistor;
  • the cathode of the diode is electrically connected to the first electrode of the transistor and the power supply source respectively;
  • the second pole of the transistor is grounded through a fourth resistor, and is electrically connected to the controller, and the detection voltage for the corresponding peripheral interface is input to the controller.
  • the interface switching device further includes a communication module
  • the communication module is respectively connected with the voltage conversion assembly and the common interface.
  • the communication module is a 5G communication module.
  • the controller is configured to obtain the access priority of the peripheral interface connected to the external device when determining that the peripheral interface connected to the external device is at least two interfaces according to the voltage signal Level, determine the target peripheral interface of the peripheral interface connected to the external device according to the access priority, generate a control signal of the target peripheral interface, and send the control signal to the interface Conversion components; and
  • the interface conversion component is configured to control the second end of the public interface to interface with the target peripheral device according to the control signal.
  • the peripheral interface is at least two of a USB interface, a PCIE interface, and an M2 interface.
  • the number of the detection component and the number of the peripheral interface are the same.
  • the present disclosure discloses a communication device, including: the interface switching device as described in any one of the above.
  • the present disclosure discloses an interface switching method, including:
  • the target interface of the external device is connected to the at least two peripheral interfaces
  • the control public interface is electrically connected to the target interface.
  • the determining, according to the voltage signal, a target interface to which an external device is connected to the at least two peripheral interfaces includes:
  • the voltage signal determining that at least two initial peripheral interfaces of the external device are connected to the at least two peripheral interfaces
  • the present disclosure also discloses a computing processing device, including:
  • a memory in which computer-readable codes are stored
  • One or more processors when the computer-readable code is executed by the one or more processors, the computing processing device executes the aforementioned interface switching method.
  • the present disclosure also discloses a computer program, including computer readable code, which when the computer readable code runs on a computing processing device, causes the computing processing device to execute the aforementioned interface switching method.
  • the present disclosure also discloses a computer-readable medium in which the above-mentioned computer program is stored.
  • FIG. 1 is a schematic structural diagram of an interface switching device provided by an embodiment of the disclosure
  • FIG. 2 is a schematic structural diagram of another interface switching device provided by an embodiment of the disclosure.
  • FIG. 3 is a schematic structural diagram of a communication module provided by an embodiment of the disclosure.
  • FIG. 4 is a schematic structural diagram of a detection component provided by an embodiment of the disclosure.
  • FIG. 5 is a flowchart of steps of an interface switching method provided by an embodiment of the disclosure.
  • Fig. 6 schematically shows a block diagram of a computing processing device for executing the method according to the present disclosure.
  • Fig. 7 schematically shows a storage unit for holding or carrying program codes for implementing the method according to the present disclosure.
  • the interface switching device 100 may include: an interface conversion component 101, a detection component 102, and a controller 103, wherein,
  • the first end of the interface conversion component 101 is connected to the public interface 104, and the second end is connected to the controller 103.
  • the interface conversion component 101 can be configured to control the public interface 104 and at least two peripherals according to the control signal sent by the controller 103
  • the target interface in interface 105 is connected.
  • the detection component 102 may be respectively connected to the controller 103 and the at least two peripheral interfaces 105, and the detection component 102 may be configured to detect the voltage signals at the at least two peripheral interfaces 105.
  • the controller 103 may be configured to determine, according to the voltage signal, a target interface to which an external device is connected to the at least two peripheral interfaces 105, generate a control signal, and send the control signal to the interface conversion component 101.
  • This embodiment can be applied to a communication module.
  • At least two peripheral interfaces are provided on the communication module.
  • the peripheral interfaces may include at least two of a USB interface, a PCIE interface, and an M2 interface.
  • the communication module is equipped with a detection component, through which the voltage signal at the peripheral interface can be detected in real time, and by detecting the voltage signal at the preset interface, it can be determined which peripheral interface is connected to the external device.
  • the peripheral interface includes interface 1, interface 2, and interface 3.
  • the detected voltage value is 0, and when the external device is connected, a specified voltage value can be detected.
  • the voltage signal of interface 2 is detected, it means that an external device is plugged into interface 2.
  • the detection components and the peripheral interfaces are arranged in a one-to-one correspondence, that is, the number of detection components and the peripheral interfaces is the same.
  • the detection component detects that an external device is inserted into the target interface of the preset interface, it can send the detected voltage signal to the controller, and the controller can determine the interface connected to the external device according to the detection component that detects the voltage signal. That is, the target interface of at least two peripheral interfaces.
  • the controller can generate the control signal corresponding to the target interface and send the control signal to the interface conversion component.
  • the interface conversion component controls the connection between the public interface and the target interface, thereby realizing the connection between the public interface and the external device. Automatic switching of peripheral interfaces.
  • FIG. 2 shows that there are two peripheral interfaces set on the 5G communication module, namely the USB interface 204 and the M2 interface 205.
  • the internal communication protocol of the 5G communication module is the USB protocol.
  • the host device may supply power to the 5G communication module, and the 5G communication module may also include: a voltage conversion component 201, an interface conversion component 202, and a contact array package (Land Grid Array, LGA) module.
  • a voltage conversion component 201 When the module is connected to the host device, The host device may supply power to the 5G communication module, and the 5G communication module may also include: a voltage conversion component 201, an interface conversion component 202, and a contact array package (Land Grid Array, LGA) module.
  • LGA contact array package
  • the host device can supply power to the 5G communication module.
  • the voltage conversion component 201 can perform voltage conversion processing on the voltage output by the host device to each module to provide each module separately. Output the corresponding voltage.
  • the controller After the power is turned on, the controller enters the working state and can obtain the status of the detection component in real time to determine which peripheral interface is connected to the external device, and then the controller generates the corresponding control signal to send the control signal to the interface conversion component.
  • the interface conversion component switches the public interface to the target interface connected to the external device.
  • a communication module is taken as an example for description.
  • the communication module may include: a voltage conversion component (that is, the voltage conversion component described in the above section), a 5G communication module (5G Module), a public interface, Interface 1, interface 2, terminal 1, terminal 2, power supply and power detection component (that is, the detection component described in the above section), and the controller module (that is, the controller described in the above section).
  • the host device After the communication module is connected to the host device, the host device supplies power to the communication module. Since the voltage required by each module is different, the voltage output by the host device to the communication module can be converted by the voltage conversion component. After voltage conversion, the corresponding voltage is output to each module.
  • the interface 1 and the terminal 1, the interface 2 and the terminal 2 are respectively arranged correspondingly, and the power supply and power detection components are respectively connected to the terminal 1 and the terminal 2, and can detect the voltage signal at the terminal 1 and the terminal 2.
  • Both the interface conversion component and the 5G communication module are connected to the public interface.
  • the controller module can generate a corresponding control signal to send the control signal to the interface conversion component, so that the interface conversion component connects the common interface to Interface 1 or interface 2, for example, when a voltage signal is detected at terminal 1, the controller module can generate a control signal corresponding to interface 1, and the interface conversion component connects the common interface to interface 1 according to the control signal corresponding to interface 1.
  • the path between the 5G communication module and the interface 1 is realized. At this time, the host device and the communication module complete the handshake operation, and enter the normal operation mode after initialization.
  • the detection component includes at least two groups of detection circuits, and each group of detection circuits is correspondingly connected to an external interface.
  • a group of detection circuits may include: a first resistor R101, a Two resistors R101, a third resistor R103, a fourth resistor R104, a transistor Q101 and a diode D101.
  • One end of the first resistor R101 is electrically connected to the anode of the diode D101 and the terminal 1 of the corresponding peripheral interface, and the other end is respectively connected to the second resistor
  • One end of R102 is electrically connected to one end of the third resistor R103, the other end of the second resistor R102 is grounded, and the other end of the third resistor R103 is electrically connected to the control electrode of the transistor Q101.
  • the cathode of the diode D101 is electrically connected to the first electrode of the transistor Q101 and the power supply, and the second electrode of the transistor Q101 is grounded through the fourth resistor R104 and electrically connected to the controller, and the controller inputs the detection of the corresponding peripheral interface Voltage.
  • the target interface when there are two or more peripheral interfaces connected to an external device, the target interface can be selected according to the priority corresponding to the peripheral interface, and the connection between the public interface and the peripheral interface can be controlled.
  • the connection between the public interface and the peripheral interface can be controlled.
  • the controller may be configured to obtain the external device connected to the external device when it is determined that the external device connected to the external device is at least two interfaces according to the voltage signal. Set the access priority of the interface, determine the target peripheral interface in the peripheral interface connected to the external device according to the access priority, generate the control signal of the target peripheral interface, and control the Sending a signal to the interface conversion component;
  • the interface conversion component is configured to control the second end of the public interface to interface with the target peripheral device according to the control signal.
  • different peripheral interfaces can be connected to corresponding external devices.
  • the access priority of different peripheral interfaces can be preset in the communication module.
  • the access priority of the peripheral interface connected to the external device is obtained, and the target peripheral interface in the peripheral interface connected to the external device is determined according to the access priority, and generated
  • the control signal of the target peripheral interface is sent to the interface conversion component.
  • the peripheral interface connected to the external device includes interface 1, interface 2, and interface 3, interface 1, interface 2, and interface can be obtained respectively.
  • the access priority corresponding to interface 3 can be used to determine the target peripheral interface according to the access priority.
  • the priority of these three interfaces is: interface 3>interface 1>interface 2, then interface 3 is used as the target peripheral interface , And generate the control signal corresponding to the interface 3, and send the control signal to the interface conversion component.
  • the interface conversion component can control the second end of the public interface to be connected to the target peripheral interface according to the control signal sent by the controller.
  • the interface switching device includes: an interface conversion component, a detection component, and a controller.
  • the first end of the interface conversion component is connected to the public interface, and the second end is connected to the controller, and is configured to control according to
  • the control signal sent by the controller controls the connection between the public interface and the target interface in the peripheral interface
  • the detection component is respectively connected to the controller and at least two peripheral interfaces, and is configured to detect the voltage signal at the peripheral interface
  • the controller is configured In order to determine the target interface to which the external device is connected to at least two peripheral interfaces according to the voltage signal, a control signal is generated, and the control signal is sent to the interface conversion component.
  • the embodiment of the present disclosure adopts multi-physical interface means, through the detection of the interface voltage signal, completes the judgment of the interface access device, thereby realizing the automatic switching of the interface, without using an external interface conversion component for conversion, and will not affect the communication signal , Does not affect the use effect of the communication module.
  • an embodiment of the present disclosure also provides a communication device, which may include the interface switching apparatus provided in the foregoing embodiment.
  • the interface switching method may specifically include the following steps:
  • Step 501 Obtain voltage signals at at least two peripheral interfaces.
  • the at least two peripheral interfaces refer to peripheral interfaces set on the communication module for connecting to external devices, and different peripheral interfaces can be connected to corresponding external devices.
  • the peripheral interfaces can be Including USB interface, M2 interface, USB interface can be used to access USB devices and so on.
  • the communication module is equipped with a detection component, which can be connected to the peripheral interface through the terminal, and after the communication module is connected to the host device, the host device supplies power to the communication module. At this time, the detection component can be used to detect the terminal The voltage signal at the location, that is, the voltage signal at the peripheral interface, and sends the voltage signal to the controller.
  • step 502 is executed.
  • Step 502 According to the voltage signal, determine that the target interface of the external device is connected to the at least two peripheral interfaces.
  • the target interface refers to the peripheral interface that needs to switch the public interface to which the external device is connected to the peripheral interface, that is, the interface that controls the connection between the public interface and the peripheral interface is the target interface.
  • the target interface of the at least two peripheral interfaces can be determined according to the voltage signals.
  • the peripheral interface with the external device is used as the target interface.
  • the target interface can be determined from the peripheral interface connected to the external device according to the priority of the peripheral interface. Specifically, it can be combined with the following The specific implementation is described in detail.
  • the foregoing step 503 may include:
  • Sub-step S1 According to the voltage signal, determine at least two initial peripheral interfaces to which external devices are connected to the at least two peripheral interfaces.
  • the initial peripheral interface refers to a peripheral interface connected to an external device.
  • the controller After the controller receives the voltage signal detected by the inverted detection component, it may be determined according to the voltage signal that at least two of the at least two peripheral interfaces are connected to at least two initial peripheral interfaces of the external device.
  • the peripheral interfaces may include interface 1, interface 2 and 3, when there are external devices connected to the 2 and 3, the 2 and 3 are used as the initial peripheral interface.
  • the sub-step S2 is executed.
  • Sub-step S2 Determine the target interface of the at least two peripheral interfaces according to the access priority of the at least two initial peripheral interfaces stored in advance.
  • the access priority refers to the priority corresponding to the preset peripheral interface.
  • the access priority of at least two initial peripheral interfaces can be acquired, and the access priority of at least two initial peripheral interfaces can be determined according to the access priority of at least two initial peripheral interfaces.
  • Target interface Specifically, the initial peripheral interface with the highest priority among the access priorities can be used as the target interface.
  • step 503 is executed.
  • Step 503 Control the public interface to be electrically connected to the target interface.
  • the public access can be controlled to be electrically connected to the target interface.
  • the controller can generate a control signal corresponding to the target interface and send the control signal to the interface conversion component,
  • the interface conversion component controls the electrical connection between the public interface and the target interface according to the control signal.
  • the electrical connection between the communication module of the communication module and the external device accessed by the target interface is realized, and the handshake between the communication module and the host device is completed Operation, it enters the normal operation mode after initialization.
  • the interface switching method provided by the embodiment of the present disclosure obtains voltage signals at at least two peripheral interfaces, determines according to the voltage signals a target interface with an external device connected to the at least two peripheral interfaces, and controls the electrical connection between the public interface and the target interface. connect.
  • the embodiment of the present disclosure adopts multi-physical interface means, through the detection of the interface voltage signal, completes the judgment of the interface access device, thereby realizing the automatic switching of the interface, without using an external interface conversion component for conversion, and will not affect the communication signal , Does not affect the use effect of the communication module.
  • the device embodiments described above are merely illustrative, where 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, they may be located in One place, or it can be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments. Those of ordinary skill in the art can understand and implement without creative work.
  • the various component embodiments of the present disclosure may be implemented by hardware, or by software modules running on one or more processors, or by a combination of them.
  • a microprocessor or a digital signal processor (DSP) may be used in practice to implement some or all of the functions of some or all of the components in the computing processing device according to the embodiments of the present disclosure.
  • DSP digital signal processor
  • the present disclosure can also be implemented as a device or device program (for example, a computer program and a computer program product) for executing part or all of the methods described herein.
  • Such a program for realizing the present disclosure may be stored on a computer-readable medium, or may have the form of one or more signals.
  • Such a signal can be downloaded from an Internet website, or provided on a carrier signal, or provided in any other form.
  • FIG. 6 shows a computing processing device that can implement the method according to the present disclosure.
  • the computing processing device traditionally includes a processor 1010 and a computer program product in the form of a memory 1020 or a computer readable medium.
  • the memory 1020 may be an electronic memory such as flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM.
  • the memory 1020 has a storage space 1030 for executing program codes 1031 of any method steps in the above methods.
  • the storage space 1030 for program codes may include various program codes 1031 respectively used to implement various steps in the above method. These program codes can be read from or written into one or more computer program products.
  • These computer program products include program code carriers such as hard disks, compact disks (CDs), memory cards, or floppy disks.
  • Such a computer program product is usually a portable or fixed storage unit as described with reference to FIG. 7.
  • the storage unit may have storage segments, storage spaces, etc. arranged similarly to the memory 1020 in the computing processing device of FIG. 6.
  • the program code can be compressed in a suitable form, for example.
  • the storage unit includes computer-readable codes 1031', that is, codes that can be read by, for example, a processor such as 1010. These codes, when run by a computing processing device, cause the computing processing device to execute the method described above. The various steps.

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Abstract

接口切换装置、通信设备及接口切换方法，涉及通信技术领域。所述装置包括：接口转换组件、检测组件、和控制器，所述接口转换组件的第一端与公共接口连接，所述接口转换组件的第二端与所述控制器连接，所述接口转换组件被配置为根据所述控制器发送的控制信号，控制所述公共接口与所述至少两个外设接口中的目标接口连接；所述检测组件分别与所述控制器和所述至少两个外设接口连接，所述检测组件被配置为检测所述至少两个外设接口处的电压信号；所述控制器被配置为根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口，生成所述控制信号，并将所述控制信号发送至所述接口转换组件。

Description

接口切换装置、通信设备及接口切换方法
相关申请的交叉引用
本公开要求在2020年06月18日提交中国专利局、申请号为202010559467.5、名称为“接口切换装置、通信设备及接口切换方法”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及通信技术领域，特别是涉及一种接口切换装置、通信设备及接口切换方法。
背景技术
随着物联网技术的快速发展，对于通信模组的需求量也越来越大，同时，对于通信模组类产品的功能的需求也在不断变化。
在相关技术方案中，通信模组一般设置有一个外部接口端子，如PCIE、USB、M2接口等，该外部接口端子用于直接连接特定类型的外接设备，或通过外部接口转换组件连接不兼容的外接设备。。
概述
本公开提供一种接口切换装置、通信设备及接口切换方法。
本公开公开了一种接口切换装置，包括：接口转换组件、检测组件、和控制器；其中，
所述接口转换组件的第一端与公共接口连接，所述接口转换组件的第二端与所述控制器连接，所述接口转换组件被配置为根据所述控制器发送的控制信号，控制所述公共接口与至少两个外设接口中的目标接口连接；
所述检测组件分别与所述控制器和所述至少两个外设接口连接，所述检测组件被配置为检测所述至少两个外设接口处的电压信号；并且
所述控制器被配置为根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口，生成所述控制信号，并将所述控制信号发送至所述接口转换组件。
可选地，所述接口切换装置还包括：电压转换组件；
所述电压转换组件分别与所述接口转换组件和所述控制器连接，所述电压转换组件被配置为对外部电源向所述接口转换组件和所述控制器提供的电压进行转换处理，并分别所述接口转换组件和所述控制器输出转换电压。
可选地，所述检测组件包括至少两组检测电路，每组检测电路与所述外设接口对应连接，每组所述检测电路包括：第一电阻、第二电阻、第三电阻、第四电阻、晶体管和二极管；
所述第一电阻的一端分别与所述二极管的阳极和对应的外设接口电连接，所述第一电阻的另一端分别与所述第二电阻的一端和所述第三电阻的一端电连接；
所述第二电阻的另一端接地，所述第三电阻的另一端与所述晶体管的控制极电连接；
所述二极管的阴极分别与所述晶体管的第一极和供电电源电连接；并且
所述晶体管的第二极通过第四电阻接地，并与所述控制器电连接，向所述控制器输入对所述对应的外设接口的检测电压。
可选地，所述接口切换装置还包括通信模块；
所述通信模块分别与所述电压转换组件和所述公共接口连接。
可选地，所述通信模块为5G通信模块。
可选地，所述控制器被配置为在根据所述电压信号确定接入有外接设备的外设接口为至少两个接口时，获取所述接入有外接设备的外设接口的接入优先级，根据所述接入优先级确定所述接入有外接设备的外设接口中的目标外设接口，生成所述目标外设接口的控制信号，并将所述控制信号发送至所述接口转换组件；并且
所述接口转换组件被配置为根据所述控制信号，控制所述公共接口的第二端与所述目标外设接口连接。
可选地，所述外设接口为USB接口、PCIE接口和M2接口中的至少两种。
可选地，所述检测组件与所述外设接口的数量一致。
本公开公开了一种通信设备，包括：如上述任一项所述的接口切换装置。
本公开公开了一种接口切换方法，包括：
获取至少两个外设接口处的电压信号；
根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口；以及
控制公共接口与所述目标接口电连接。
可选地，所述根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口，包括：
根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的至少两个初始外设接口；以及
根据预先保存的所述至少两个初始外设接口的接入优先级，确定所述至少两个外设接口中的目标接口。
本公开还公开了一种计算处理设备，包括：
存储器，其中存储有计算机可读代码；以及
一个或多个处理器，当所述计算机可读代码被所述一个或多个处理器执行时，所述计算处理设备执行上述的接口切换方法。
本公开还公开了一种计算机程序，包括计算机可读代码，当所述计算机可读代码在计算处理设备上运行时，导致所述计算处理设备执行上述的接口切换方法。
本公开还公开了一种计算机可读介质，其中存储了上述的计算机程序。
上述说明仅是本公开技术方案的概述，为了能够更清楚了解本公开的技术手段，而可依照说明书的内容予以实施，并且为了让本公开的上述和其它目的、特征和优点能够更明显易懂，以下特举本公开的具体实施方式。
附图简述
为了更清楚地说明本公开实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例提供的一种接口切换装置的结构示意图；
图2为本公开实施例提供的另一种接口切换装置的结构示意图；
图3为本公开实施例提供的一种通信模组的结构示意图；
图4为本公开实施例提供的一种检测组件的结构示意图；
图5为本公开实施例提供的一种接口切换方法的步骤流程图；
图6示意性地示出了用于执行根据本公开的方法的计算处理设备的框图；并且
图7示意性地示出了用于保持或者携带实现根据本公开的方法的程序代码的存储单元。
详细描述
为使本公开的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本公开作进一步详细的说明。显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
参照图1，示出了本公开实施例提供的一种接口切换装置的结构示意图，如图1所示，接口切换装置100可以包括：接口转换组件101、检测组件102和控制器103，其中，
接口转换组件101的第一端与公共接口104连接，第二端与控制器103连接，接口转换组件101可以被配置为根据控制器103发送的控制信号，控制公共接口104与至少两个外设接口105中的目标接口连接。
检测组件102可以分别与控制器103和至少两个外设接口105连接，检测组件102可以被配置为检测至少两个外设接口105处的电压信号。
控制器103可以被配置为根据电压信号确定至少两个外设接口105中接入有外接设备的目标接口，生成控制信号，并将控制信号发送至接口转换组件101。
本实施例可以应用于通信模组中，在通信模组上设置有至少两个外设接口，外设接口可以包括USB接口、PCIE接口和M2接口中的至少两种。
在通信模组中设置有检测组件，通过检测组件可以实时检测外设接口处的电压信号，通过检测预设接口处的电压信号可以判断出在哪个外设接口处接入有外接设备。例如，外设接口包括接口1、接口2和接口3，在接口未接入有外接设备时，则检测的电压值为0，而在接入外接设备时，可以检测到指定大小的电压值，如在检测到接口2的电压信号时，表示接口2插入有外接 设备。
当然，在本实施例中，检测组件与外设接口一一对应设置，即检测组件与外设接口的数量是相同的。在检测组件检测到预设接口中的目标接口插入有外接设备时，可以将检测的电压信号发送至控制器，控制器可以根据检测到电压信号的检测组件确定出接入有外接设备的接口，即至少两个外设接口中的目标接口。
在确定出目标接口之后，可以由控制器生成目标接口对应的控制信号，并将控制信号发送至接口转换组件，由接口转换组件控制公共接口与目标接口连接，从而实现公共接口与插入外接设备的外设接口的自动切换。
对于上述过程可以结合图2进行如下详细描述。
图2中示出了5G通信模组上设置的外设接口为两个，分别为USB接口204和M2接口205，5G通信模组内部的通信协议为USB协议，当模组连接主机设备后，可以由主机设备向5G通信模组供电，5G通信模块还可以包括：电压转换组件201、接口转换组件202和触点阵列封装(Land Grid Array，LGA)模组。
当5G通信模组接入主机设备之后，可以由主机设备向5G通信模组供电，此时，可以由电压转换组件201对主机设备向各模块输出的电压进行电压转换处理，以分别向各模块输出对应的电压。
在通电后，控制器进入工作状态，可以实时获取检测组件的状态，以判断哪个外设接口接入有外接设备，然后由控制器生成相应的控制信号，以将控制信号发送至接口转换组件，以由接口转换组件将公共接口切换至接入有外接设备的目标接口。
以下结合图3对本实施例的整体实施过程进行详细说明。
参照图3，以通信模组为例进行说明，如图3所示，通信模组可以包括：电压变换组件(即上述部分描述的电压转换组件)、5G通信模块(5G Module)、公共接口、接口1、接口2、端子1、端子2、供电及电源检测组件(即上述部分描述的检测组件)、控制器模块(即上述部分描述的控制器)。
在通信模组接入主机设备之后，由主机设备为通信模块供电，由于每个模块所需的电压是不相同的，此时主机设备向通信模块输出的电压可以经电压变换组件进行电压转换，在经电压变换之后向各模块输出对应的电压。
接口1和端子1、接口2和端子2分别对应设置，供电及电源检测组件分别与端子1和端子2连接，可以检测端子1和端子2处的电压信号。接口转换组件和5G通信模块均与公共接口连接。
供电及电源检测组件在检测到端子1或端子2处的电压信号之后，可以由控制器模块生成相应的控制信号，以将控制信号发送至接口转换组件，以由接口转换组件将公共接口连接至接口1或接口2，例如，在检测到端子1处存在电压信号时，控制器模块可以生成接口1对应的控制信号，接口转换组件根据接口1对应的控制信号将公共接口连接至接口1，以实现5G通信模块与接口1之间的通路，此时，主机设备与通信模组完成握手操作，初始化后进入正常操作模式。
接下来，结合图4，对本实施例提供的检测组件进行如下描述。
如图4所示，检测组件包括至少两组检测电路，每组检测电路与外界接口对应连接，以图4中的一组检测电路为例，一组检测电路可以包括：第一电阻R101、第二电阻R101、第三电阻R103、第四电阻R104、晶体管Q101和二极管D101，第一电阻R101的一端分别与二极管D101的阳极和对应外设接口的端子1电连接，另一端分别与第二电阻R102的一端和第三电阻R103的一端电连接，第二电阻R102的另一端接地，第三电阻R103的另一端与晶体管Q101的控制极电连接。
二极管D101的阴极分别与晶体管Q101的第一极和供电电源电连接，晶体管Q101的第二极通过第四电阻R104接地，并与控制器电连接，向控制器输入对对应的外设接口的检测电压。
在本实施例中，在接入有外接设备的外设接口有两个或两个以上时，可以根据外设接口对应的优先级选定目标接口，并控制公共接口与外设接口连接，具体地，可以结合下述实施方式进行详细描述。
在本公开的一种具体实现方式中，控制器可以被配置为在根据所述电压信号确定接入有外接设备的外设接口为至少两个接口时，获取所述接入有外接设备的外设接口的接入优先级，根据所述接入优先级确定所述接入有外接设备的外设接口中的目标外设接口，生成所述目标外设接口的控制信号，并将所述控制信号发送至所述接口转换组件；
所述接口转换组件，被配置为根据所述控制信号，控制所述公共接口的 第二端与所述目标外设接口连接。
在本实施例中，不同的外设接口可以接入对应的外接设备，在通信模组中可以预先设置不同外设接口的接入优先级，在控制器根据电压信号接入有外接设备的外设接口为至少两个接口时，并获取接入有外接设备的外设接口的接入优先级，根据接入优先级确定接入有外接设备的外设接口中的目标外设接口，并生成目标外设接口的控制信号，并将控制信号发送至接口转换组件，例如，在接入有外接设备的外设接口包括接口1、接口2和接口3时，可以分别获取接口1、接口2和接口3对应的接入优先级，可以根据接入优先级确定目标外设接口，例如，这三个接口的优先级为：接口3＞接口1＞接口2，则将接口3作为目标外设接口，并生成接口3对应的控制信号，并将控制信号发送至接口转换组件。
可以理解地，上述示例仅是为了更好地理解本公开实施例的技术方案而列举的示例，不作为对本实施例的唯一限制。
接口转换组件可以根据控制器发送的控制信号，控制公共接口的第二端连接至目标外设接口。
本公开实施例提供的接口切换装置，包括：接口转换组件、检测组件、和控制器，其中，接口转换组件的第一端与公共接口连接，第二端与控制器连接，被配置为根据控制器发送的控制信号，控制公共接口与外设接口中的目标接口连接，检测组件分别与控制器和至少两个外设接口连接，被配置为检测外设接口处的电压信号，控制器被配置为根据电压信号，确定至少两个外设接口中接入有外接设备的目标接口，生成控制信号，并将控制信号发送至接口转换组件。本公开实施例采用多物理接口的手段，通过接口电压信号的检测，完成接口接入设备的判断，从而实现了接口的自动切换，无需采用外部接口转换组件进行转换，不会对通信信号造成影响，不影响通信模组的使用效果。
另外，本公开实施例还提供了一种通信设备，可以包括上述实施例提供的接口切换装置。
参照图5，示出了本公开实施例提供的一种接口切换方法的步骤流程图，如图5所示，该接口切换方法具体可以包括如下步骤：
步骤501：获取至少两个外设接口处的电压信号。
在本实施例中，至少两个外设接口是指通信模组上设置的用于接入外接设备的外设接口，不同的外设接口可以接入对应的外接设备，例如，外设接口可以包括USB接口、M2接口，USB接口可以用于接入USB设备等。
在通信模组中设置有检测组件，检测组件可以通过端子与外设接口连接，并在通信模组接入主机设备之后，由主机设备向通信模组供电，此时，可以采用检测组件检测端子处的电压信号，也即外设接口处的电压信号，并将电压信号发送至控制器。
在获取到至少两个外设接口处的电压信号之后，执行步骤502。
步骤502：根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口。
目标接口是指外设接口中接入有外接设备的需要进行公共接口切换的外设接口，即控制公共接口与外设接口连接的接口即为目标接口。
在获取到至少两个外设接口处的电压信号之后，可以根据电压信号确定出至少两个外设接口中的目标接口。
在本实施例中，在仅有一个外设接口中接入有外接设备时，则将接入有外接设备的外设接口作为目标接口。
而在有两个或以上的外设接口中接入有外接设备时，可以根据外设接口的优先级，从接入有外接设备的外设接口中确定出目标接口，具体地，可以结合下述具体实现方式进行详细描述。
在本公开的一种具体实现方式中，上述步骤503可以包括：
子步骤S1：根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的至少两个初始外设接口。
在本实施例中，初始外设接口是指接入有外接设备的外设接口。
在控制器接收倒检测组件检测的电压信号之后，可以根据电压信号确定至少两个外设接口中接入有外接设备的至少两个初始外设接口，例如，外设接口可以包括接口1、接口2和接口3，在接口2和接口3中接入有外接设备时，则将接口2和接口3作为初始外设接口。
在根据电压信号确定至少两个外设接口中接入有外接设备的至少两个初始外设接口之后，执行子步骤S2。
子步骤S2：根据预先保存的所述至少两个初始外设接口的接入优先级， 确定所述至少两个外设接口的目标接口。
接入优先级是指预先设置的外设接口对应的优先级。
在获取至少两个初始外设接口之后，可以获取至少两个初始外设接口的接入优先级，并根据至少两个初始外设接口的接入优先级确定出至少两个初始外设接口的目标接口。具体地，可以将接入优先级中优先级最高的初始外设接口作为目标接口。
在确定目标接口之后，执行步骤503。
步骤503：控制公共接口与所述目标接口电连接。
在确定目标接口之后，可以控制公共接入与目标接口电连接，具体地，在控制器确定目标接口之后，可以由控制器生成目标接口对应的控制信号，并将控制信号发送至接口转换组件，由接口转换组件根据控制信号控制公共接口与目标接口电连接，此时，即实现了通信模组的通信模块与目标接口接入的外接设备的电连接，并完成通信模组与主机设备的握手操作，在初始化后即进入正常操作模式。
本公开实施例提供的接口切换方法，通过获取至少两个外设接口处的电压信号，根据电压信号确定至少两个外设接口中接入有外接设备的目标接口，控制公共接口与目标接口电连接。本公开实施例采用多物理接口的手段，通过接口电压信号的检测，完成接口接入设备的判断，从而实现了接口的自动切换，无需采用外部接口转换组件进行转换，不会对通信信号造成影响，不影响通信模组的使用效果。
以上所描述的装置实施例仅仅是示意性的，其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下，即可以理解并实施。
本公开的各个部件实施例可以以硬件实现，或者以在一个或者多个处理器上运行的软件模块实现，或者以它们的组合实现。本领域的技术人员应当理解，可以在实践中使用微处理器或者数字信号处理器(DSP)来实现根据本公开实施例的计算处理设备中的一些或者全部部件的一些或者全部功能。本 公开还可以实现为用于执行这里所描述的方法的一部分或者全部的设备或者装置程序(例如，计算机程序和计算机程序产品)。这样的实现本公开的程序可以存储在计算机可读介质上，或者可以具有一个或者多个信号的形式。这样的信号可以从因特网网站上下载得到，或者在载体信号上提供，或者以任何其他形式提供。
例如，图6示出了可以实现根据本公开的方法的计算处理设备。该计算处理设备传统上包括处理器1010和以存储器1020形式的计算机程序产品或者计算机可读介质。存储器1020可以是诸如闪存、EEPROM(电可擦除可编程只读存储器)、EPROM、硬盘或者ROM之类的电子存储器。存储器1020具有用于执行上述方法中的任何方法步骤的程序代码1031的存储空间1030。例如，用于程序代码的存储空间1030可以包括分别用于实现上面的方法中的各种步骤的各个程序代码1031。这些程序代码可以从一个或者多个计算机程序产品中读出或者写入到这一个或者多个计算机程序产品中。这些计算机程序产品包括诸如硬盘，紧致盘(CD)、存储卡或者软盘之类的程序代码载体。这样的计算机程序产品通常为如参考图7所述的便携式或者固定存储单元。该存储单元可以具有与图6的计算处理设备中的存储器1020类似布置的存储段、存储空间等。程序代码可以例如以适当形式进行压缩。通常，存储单元包括计算机可读代码1031’，即可以由例如诸如1010之类的处理器读取的代码，这些代码当由计算处理设备运行时，导致该计算处理设备执行上面所描述的方法中的各个步骤。
对于前述的各方法实施例，为了简单描述，故将其都表述为一系列的动作组合，但是本领域技术人员应该知悉，本公开并不受所描述的动作顺序的限制，因为依据本公开，某些步骤可以采用其他顺序或者同时进行。其次，本领域技术人员也应该知悉，说明书中所描述的实施例均属于优选实施例，所涉及的动作和模块并不一定是本公开所必须的。
在此处所提供的说明书中，说明了大量具体细节。然而，能够理解，本公开的实施例可以在没有这些具体细节的情况下被实践。在一些实例中，并未详细示出公知的方法、结构和技术，以便不模糊对本说明书的理解。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见 即可。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、商品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、商品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、商品或者设备中还存在另外的相同要素。
以上对本公开所提供的一种接口切换装置、一种通信设备和一种接口切换方法，进行了详细介绍，本文中应用了具体个例对本公开的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本公开的方法及其核心思想；同时，对于本领域的一般技术人员，依据本公开的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本公开的限制。

Claims (14)

  1. 一种接口切换装置，其中，包括：接口转换组件、检测组件、和控制器；其中，
    所述接口转换组件的第一端与公共接口连接，所述接口转换组件的第二端与所述控制器连接，所述接口转换组件被配置为根据所述控制器发送的控制信号，控制所述公共接口与至少两个外设接口中的目标接口连接；
    所述检测组件分别与所述控制器和所述至少两个外设接口连接，所述检测组件被配置为检测所述至少两个外设接口处的电压信号；并且
    所述控制器被配置为根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口，生成所述控制信号，并将所述控制信号发送至所述接口转换组件。
  2. 根据权利要求1所述的接口切换装置，其中，所述接口切换装置还包括：电压转换组件；
    所述电压转换组件分别与所述接口转换组件和所述控制器连接，所述电压转换组件被配置为对外部电源向所述接口转换组件和所述控制器提供的电压进行转换处理，并分别向所述接口转换组件和所述控制器输出转换电压。
  3. 根据权利要求1所述的接口切换装置，其中，所述检测组件包括至少两组检测电路，每组检测电路与所述外设接口对应连接，每组所述检测电路包括：第一电阻、第二电阻、第三电阻、第四电阻、晶体管和二极管；
    所述第一电阻的一端分别与所述二极管的阳极和对应的外设接口电连接，所述第一电阻的另一端分别与所述第二电阻的一端和所述第三电阻的一端电连接；
    所述第二电阻的另一端接地，所述第三电阻的另一端与所述晶体管的控制极电连接；
    所述二极管的阴极分别与所述晶体管的第一极和供电电源电连接；并且
    所述晶体管的第二极通过第四电阻接地，并与所述控制器电连接，向所述控制器输入对所述对应的外设接口的检测电压。
  4. 根据权利要求2所述的接口切换装置，其中，所述接口切换装置还包括通信模块；
    所述通信模块分别与所述电压转换组件和所述公共接口连接。
  5. 根据权利要求4所述的接口切换装置，其中，所述通信模块为5G通信模块。
  6. 根据权利要求1所述的接口切换装置，其中，所述控制器被配置为在根据所述电压信号确定接入有外接设备的外设接口为至少两个接口时，获取所述接入有外接设备的外设接口的接入优先级，根据所述接入优先级确定所述接入有外接设备的外设接口中的目标外设接口，生成所述目标外设接口的控制信号，并将所述控制信号发送至所述接口转换组件；并且
    所述接口转换组件被配置为根据所述控制信号，控制所述公共接口的第二端与所述目标外设接口连接。
  7. 根据权利要求1-6任一项所述的接口切换装置，其中，所述外设接口为USB接口、PCIE接口和M2接口中的至少两种。
  8. 根据权利要求1所述的接口切换装置，其中，所述检测组件与所述外设接口的数量一致。
  9. 一种通信设备，其中，包括：如权利要求1至8任一项所述的接口切换装置。
  10. 一种接口切换方法，其中，包括：
    获取至少两个外设接口处的电压信号；
    根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口；以及
    控制公共接口与所述目标接口电连接。
  11. 根据权利要求10所述的方法，其中，所述根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的目标接口，包括：
    根据所述电压信号，确定所述至少两个外设接口中接入有外接设备的至少两个初始外设接口；以及
    根据预先保存的所述至少两个初始外设接口的接入优先级，确定所述至少两个外设接口中的目标接口。
  12. 一种计算处理设备，其中，包括：
    存储器，其中存储有计算机可读代码；以及
    一个或多个处理器，当所述计算机可读代码被所述一个或多个处理器执行时，所述计算处理设备执行如权利要求10或11所述的接口切换方法。
  13. 一种计算机程序，包括计算机可读代码，当所述计算机可读代码在计算处理设备上运行时，导致所述计算处理设备执行根据权利要求10或11所述的接口切换方法。
  14. 一种计算机可读介质，其中存储了如权利要求13所述的计算机程序。
PCT/CN2021/094196 2020-06-18 2021-05-17 接口切换装置、通信设备及接口切换方法 WO2021254063A1 (zh)

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