CN106970888B - Interface equipment and identification method, device and system thereof - Google Patents
Interface equipment and identification method, device and system thereof Download PDFInfo
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- CN106970888B CN106970888B CN201710196827.8A CN201710196827A CN106970888B CN 106970888 B CN106970888 B CN 106970888B CN 201710196827 A CN201710196827 A CN 201710196827A CN 106970888 B CN106970888 B CN 106970888B
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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
Abstract
The application provides an interface device and an identification method, a device and a system thereof, wherein the interface device comprises: the data interface, the first type of expansion interface and the second type of expansion interface are arranged in the shell, one end of each of the first type of expansion interface and the second type of expansion interface is connected with the data interface, and the other end of each of the first type of expansion interface and the second type of expansion interface is exposed through the outer surface of the shell; the identification pin of the data interface is connected with an identification element and is connected with the identification pin of the data interface of the electronic equipment, so that the electronic equipment determines the type of the expansion interface contained in the interface equipment based on the parameters of the identification element, and the communication connection with the expansion interface currently connected with the external equipment is realized through the output signal of the interface equipment. The interface equipment is only provided with the identification element, is not provided with other control or switching circuits, is low in cost and is beneficial to expanding the application range of the interface equipment.
Description
Technical Field
The present application relates to the field of data interface applications, and more particularly, to an interface device, and an identification method, apparatus, and system thereof.
Background
Nowadays, with more and more functions supported by electronic devices such as computers, users can check, store and process data in the storage devices by connecting various storage devices, and can also perform multimedia teaching, office work and the like by connecting various media devices, thereby providing much convenience for life and work of the users.
In practical application, because the number and types of data interfaces on the electronic device are usually limited, in order to meet various requirements of different users, at present, interface devices such as a docking station and the like are usually used for expanding a base of functions of the electronic device, and by utilizing the strong and flexible expansion capability of the docking station, the electronic device can be simultaneously connected with various external devices such as a driver, a keyboard, a printer, a scanner, a large screen display and the like, so that the defect that the number and types of data interfaces of the existing electronic device are limited is overcome, more convenience and selectivity are provided for the life and work of the user, and the electronic device is convenient to install and carry.
However, the existing interface devices are costly and not used by most users. It can be seen that how to reduce the cost of the interface device and increase the application range of the interface device become important for those skilled in the art.
Disclosure of Invention
In view of this, the present application provides an interface device and an identification method, apparatus and system thereof, which reduce the cost of the interface device on the premise of satisfying the requirement of the electronic device for expanding the interface, so that a common user can use the interface device, thereby greatly improving the application range of the interface device.
In order to achieve the above object, the present application provides the following technical solutions:
a first aspect of the present application provides an interface device, including a housing, a data interface, a first type of expansion interface, and a second type of expansion interface, which are disposed in the housing, wherein:
one end of the first type of expansion interface and one end of the second type of expansion interface are respectively connected with the data interface, and the other ends of the first type of expansion interface and the second type of expansion interface are exposed through the outer surface of the shell;
the identification pin of the data interface is connected with an identification element and is connected with the identification pin of the data interface of the electronic equipment, so that the electronic equipment determines the type of the expansion interface contained in the interface equipment based on the parameters of the identification element, and the communication connection with the expansion interface currently connected with the external equipment is realized through the output signal of the interface equipment.
Preferably, the identification element is a resistor, and the parameter of the identification element is a resistance value of the resistor.
Preferably, the data interface is a Type-C interface, the first Type of expansion interface includes at least one USB interface, the second Type of expansion interface includes a display interface, wherein:
when the first type of expansion interface comprises a plurality of USB interfaces, the first type of expansion interface further comprises USB hubs respectively connected with the plurality of USB interfaces.
A second aspect of the present application provides an interface device identification method, including:
detecting that a data interface of the electronic equipment is connected with interface equipment;
acquiring parameters of an identification element connected with the data interface in the interface equipment;
determining the type of an extended interface contained in the interface equipment based on the parameters of the identification element;
and realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
Preferably, the determining the type of the extended interface included in the interface device based on the parameter of the identification element includes:
searching for the interface equipment type corresponding to the parameter of the identification element by utilizing the one-to-one corresponding relation between the preset element parameter and the equipment type;
and determining the type of the extended equipment contained in the interface equipment with the type of the interface equipment.
Preferably, the implementing, by the output signal of the interface device, a communication connection with an expansion interface, to which an external device is currently connected, in the interface device includes:
detecting an output signal of the interface equipment, and determining a signal pin for outputting the output signal in a data interface of the interface equipment;
searching a target expansion interface type corresponding to the determined signal pin according to a preset corresponding relation between the signal pin and the expansion interface type;
and controlling a data interface with the target expansion interface type in the electronic equipment to be communicated with the data interface.
Preferably, after the determining the type of the extended interface included in the interface device, the method further includes:
outputting the type of the extended interface contained in the interface equipment; or;
and outputting the type of the expansion interface which is currently connected with the external equipment in the interface equipment.
A third aspect of the present application provides an apparatus for device identification, the apparatus comprising:
the detection module is used for detecting that the data interface of the electronic equipment is connected with interface equipment;
the parameter acquisition module is used for acquiring parameters of an identification element connected with the data interface in the interface equipment;
the extended interface type determining module is used for determining the type of an extended interface contained in the interface equipment based on the parameters of the identification element;
and the communication establishing module is used for realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
A fourth aspect of the present application provides an interface device identification system, the system includes an electronic device and the interface device of the first aspect of the present application, the electronic device includes a data interface, a device identification chip, and a communication switching chip, wherein:
the device identification chip is used for acquiring parameters of an identification element connected with the data interface in the interface device and determining the type of an extended interface contained in the interface device based on the parameters of the identification element;
and the communication switching chip is used for realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
It can be seen that, compared with the prior art, the present application provides an interface device and an identification method, apparatus and system thereof, by providing an identification element on an identification pin of the data interface of the interface device and representing the interface device by means of a parameter of the identification element, it is possible, in this way, when the data interface of the interface device is connected with the data interface of the electronic device, the electronic device can determine the type of the interface device connected with the electronic device by identifying the parameters of the identification element in the data interface, i.e. the type of expansion interface comprised by the connected interface device, is determined, so that, when an external device is plugged into the expansion interface of the interface device, the electronic device can realize the communication connection of the expansion interface currently connected with the external device according to the output signal of the interface device, namely, the communication between the external device and the electronic device is realized, and the correct transmission of the signal is ensured. Therefore, the interface equipment is only provided with the identification element, is not provided with other control or switching circuits, is low in cost and is beneficial to expanding the application range of the interface equipment.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an interface device according to a first embodiment of the present disclosure;
fig. 2 is a schematic flowchart of a second embodiment of an interface device identification method provided in the present application;
fig. 3 is a flowchart of a method for determining an expansion interface type in the third embodiment of the present application;
fig. 4 is a flowchart of a method for establishing a communication connection with an external device according to a third embodiment of the present application;
fig. 5 is a schematic structural diagram of a fourth embodiment of an interface device identification apparatus provided in the present application;
fig. 6 is a schematic structural diagram of a fifth embodiment of an interface device identification system provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The first embodiment is as follows:
referring to fig. 1, fig. 1 is a schematic structural diagram of an interface device according to a first embodiment of the present application, where the interface device includes: the device comprises a shell 100, a data interface 101 arranged in the shell 100, a first type of expansion interface 102 and a second type of expansion interface 103, wherein:
one end of the first-type expansion interface 102 and one end of the second-type expansion interface 103 are respectively connected with the data interface 103, and the other ends are exposed through the outer surface of the shell 100;
in the embodiment of the application, the interface device is designed to make up for the shortage of the number of interfaces on the electronic device or the limitation of the types, external devices such as a driver, a keyboard, a printer, a scanner, an external Modem, a flash disk, an audio player, a large-screen display, a mobile hard disk, a handwriting board and the like can be connected to the electronic device through the expansion interface, the first type of expansion interface and the second type of expansion interface are classified after the types or functions of the expansion interface are divided according to actual requirements, the specific limitation on the expansion interface is not provided, no relation or sequence exists, and the first type of expansion interface and the second type of expansion interface are only used for distinguishing the types or functions of the expansion interface. And the data interface is respectively connected with one end of the first expansion interface and one end of the second expansion interface, and when the expansion interface is connected with external equipment, corresponding transmission data can be transmitted to the data interface. The interface type of the expansion interface is matched with the interface type of the data interface, so that data transmission is facilitated. The other end of the corresponding expansion interface is exposed through the outer surface of the shell so as to facilitate the connection of external equipment.
The identification pin of the data interface 101 is connected with an identification element, and is connected with the identification pin of the data interface of the electronic device, so that the electronic device determines the type of the expansion interface contained in the interface device based on the parameter of the identification element, and realizes the communication connection with the expansion interface currently connected with the external device through the output signal of the interface device.
Specifically, the interface device of the application enables the electronic device to identify the external device through the interface device in order to perform communication interaction with the electronic device. Therefore, the interface device needs to be connected to the electronic device through the data interface, that is, the identification pin corresponding to the data interface is connected to the identification pin corresponding to the data interface of the electronic device. The electronic device may be any type of device, and may be, as non-limiting examples, a device with a main computing function, such as a tablet computer, a notebook computer, a desktop computer, and a PDA, or a device with a main display function, such as an electronic book, a television, and a display.
Furthermore, an identification element is connected to the identification pin of the data interface, and the electronic device can determine the type of the expansion interface included in the interface device through the identification element. Because the identification element is positioned at the identification pin of the digital interface, and the digital interface is connected with the expansion interface, when the expansion interface is connected with the external equipment, communication information generated according to different external equipment is not used, so that parameters of the identification element are not used, the electronic equipment can determine the interface type of the interface equipment according to the parameters of the identification element, and can realize communication with the expansion interface which is currently connected with the external equipment by outputting signals through the interface equipment.
As another embodiment of the present application, when the identification element is a resistor, the parameter of the identification element is a resistance value of the resistor.
For example, when the interface device provided in the present application is connected to an electronic device, the electronic device is preferably a notebook computer in this embodiment. When the notebook computer is connected with the interface device, the first type of expansion interface of the interface device is connected with an external device printer, the second type of interface device is connected with an external device audio player, and the data interface of the interface device is connected with the data interface of the electronic device.
As another embodiment of the present application, the data interface may be a Type-C interface, the first Type of expansion interface may include at least one USB interface, and the second Type of expansion interface may include a display interface, where:
when the first type of expansion interface comprises a plurality of USB interfaces, the first type of expansion interface further comprises USB hubs respectively connected with the plurality of USB interfaces.
It can be understood that Type-C is a connection interface of the USB interface, and can be inserted without dividing the front and back sides, and supports the functions of charging, data transmission, display output, etc. of the USB standard as other interfaces. Because the data interface is a Type-C interface, and the Type-C interface is a connection section of the USB interface, the first Type of expansion interface comprises at least one USB interface, and the second Type of expansion interface comprises a display interface to facilitate display output.
In this embodiment, the "first" and "second" are only used as a distinguishing limitation, and there is no fixed order or specific limitation. Further, when the first type of expansion interface includes a plurality of USB interfaces, in order to connect the plurality of USB interfaces, the first type of expansion interface may further include a USB hub respectively connected to the plurality of USB interfaces, but is not limited thereto.
In summary, in this embodiment, an identification element is disposed on an identification pin of a data interface of an interface device, and a parameter of the identification element is used to indicate a type of the interface device, so that after the data interface of the interface device is connected to a data interface of an electronic device, the electronic device can determine the type of the interface device connected to the electronic device, that is, determine an extended interface type included in the connected interface device, by using the parameter of the identification element in the identification data interface.
Example two:
referring to fig. 2, a schematic flow chart of a second embodiment of an interface device identification method provided by the present application is shown, where the method includes the following steps:
the data interface of the electronic device has a plurality of different interface types, different devices can be connected according to the data interface, it is necessary to first determine whether the electronic device is connected with the interface device, and when it is detected that the data interface of the electronic device is connected with the interface device, step 102 is executed.
102, acquiring parameters of an identification element connected with the data interface in the interface equipment;
an identification element is connected to a data interface of the interface device, the parameter information of the identification element can be acquired through the interface device, further operation is performed according to the parameter information, and step 103 is executed after the parameter information of the identification element is acquired.
103, determining the type of the extended interface contained in the interface equipment based on the parameter of the identification element;
the interface device comprises an extended interface besides a data interface, the data interface is connected with the extended interface, the extended interface can be connected with a plurality of external devices, the external devices do not have uniform interface types, the extended interface also comprises a plurality of interface types, and the type of the extended interface contained in the interface device can be determined based on the parameters of the identification element.
And 104, realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
After the type of the interface device is obtained, the output signal of the interface device is transmitted to the external device connected with the interface device, so that the communication connection with the expansion interface of the external device currently connected with the interface device can be realized.
According to the interface device identification method disclosed in the second embodiment of the present application, the type of the interface device connected to the electronic device, that is, the type of the expansion interface included in the connected interface device, is determined by identifying the parameter of the identification element in the data interface, so that when the external device is inserted into the expansion interface of the interface device, the electronic device can implement the communication connection of the expansion interface currently connected to the external device, that is, the communication between the external device and the electronic device, according to the output signal of the interface device. Because the interface equipment is only provided with the identification element and does not have other control or switching circuits, the cost is lower, and the application range of the interface equipment is favorably expanded.
Example three:
referring to the interface device identification method provided in the second embodiment of the present application, the interface device identification method is described in further detail in the third embodiment of the present application.
The third interface device identification method provided by the embodiment of the application specifically comprises the following steps:
when detecting that the data interface of the electronic equipment is connected with the interface equipment; after obtaining the parameter of the identification element connected to the data interface in the interface device, executing a step of determining an extended interface type included in the interface device based on the parameter of the identification element, where the step of determining the extended interface type is described with reference to fig. 3, where fig. 3 is a flowchart of a method for determining the extended interface type in a third embodiment of the present application, and the step specifically includes:
specifically, when different device types are identified by the identification element, the identification element may generate different element parameters, and the element parameters of the identification element may be set by a preset method according to the device types, so as to generate a one-to-one correspondence relationship between the element parameters and the device types, and then find the corresponding interface device type according to the parameters of the identification element in the correspondence relationship.
Specifically, the extension interface of the interface device is used to connect an external device, that is, an extension device, so that a correspondence relationship exists between the interface device type and the extension device, and the extension device type included in the interface device having the interface device type can be determined by the interface device type.
For example, when the electronic device is a notebook computer and the identification element is a resistor, it is detected that the data interface of the notebook computer is connected to the interface device; obtaining the resistance value of a resistor connected with the data interface in the interface device, searching the interface device type corresponding to the resistance value of the resistor by utilizing the one-to-one corresponding relation between the preset resistor and the device type, and determining the extension device type contained in the interface device with the interface device type according to the interface device type, namely the USB interface device type, if the interface device type corresponding to the resistance value of the resistor is the USB interface device, wherein the extension device type can be a digital camera, a video camera or a mobile hard disk without rating.
Correspondingly, after determining the type of the extended interface included in the interface device, a step of outputting a signal through the interface device to implement a communication connection with the extended interface currently connected to an external device in the interface device is executed, referring to fig. 4, where fig. 4 is a flowchart of a method for establishing a communication connection with an external device in a third embodiment of the present application, and the step specifically includes:
401. detecting an output signal of the interface equipment, and determining a signal pin for outputting the output signal in a data interface of the interface equipment;
the interface device is respectively connected with the electronic device and the expansion interface through the data interface, correspondingly, the interface device is connected with the external device through the expansion interface, and after the output signal of the interface device is detected, the signal pin of the output signal output by the data interface can be determined as the output signal comes from the data interface.
402. Searching a target expansion interface type corresponding to the determined signal pin according to a preset corresponding relation between the signal pin and the expansion interface type;
in this application, a corresponding relationship between a signal pin and an expansion interface type may be preset, and then, when the signal pin of the output signal output by the data interface is obtained, a target expansion interface type corresponding to the signal pin may be obtained by searching the preset corresponding relationship, and then step 403 is executed.
403. And controlling a data interface with the target expansion interface type in the electronic equipment to be communicated with the data interface.
For example, when the interface device is a docking station, the electronic device is a computer, when the docking station is inserted into the computer, whether the docking station is inserted in a forward direction or a reverse direction is identified by a resistance value of an identification element, that is, a resistor, in the docking station, a working mode of a data interface in the computer is adjusted, so that a correct signal is output, a signal pin is determined according to the output signal, if the output signal is a video display signal, the determined pin is a DP pin, a corresponding relationship between the signal pin and an expansion interface type is found, a target expansion interface type corresponding to the determined signal pin is found, that is, the expansion interface type of the display, and finally, the data interface with the expansion interface type of the display in the computer is controlled to be communicated with the data interface for communication.
According to the description in the above embodiment, after determining the type of the extended interface included in the interface device, the interface device identification method further includes:
outputting the type of the extended interface contained in the interface equipment; or;
and outputting the type of the expansion interface which is currently connected with the external equipment in the interface equipment.
According to the interface device identification method provided by the third embodiment of the application, the type of the interface device connected with the electronic device is determined by identifying the parameter of the identification element in the data interface and utilizing the preset corresponding relationship between the element parameter and the device type, then the signal pin in the data interface is determined according to the detected output signal of the interface device, the type of the target expansion interface is determined according to the preset corresponding relationship between the signal pin and the expansion interface type, and the data interface with the type of the target expansion interface in the electronic device is controlled to be communicated with the data interface. Besides, the type of the extended interface included in the interface device or the type of the extended interface to which the external device is currently connected may be output. Because the interface equipment is only provided with the identification element and does not have other control or switching circuits, the cost is lower, and the application range of the interface equipment is favorably expanded.
Example four:
corresponding to the interface device identification method provided in the third embodiment of the present application, a fourth embodiment of the present application provides an interface device identification apparatus, and referring to fig. 5, fig. 5 is a schematic structural diagram of the fourth embodiment of the interface device identification apparatus provided in the present application, and the apparatus includes:
the detection module 501 is used for detecting that the data interface of the electronic device is connected with an interface device;
a parameter obtaining module 502, configured to obtain a parameter of an identification element connected to the data interface in the interface device;
an extended interface type determining module 503, configured to determine, based on the parameter of the identification element, an extended interface type included in the interface device;
specifically, the extended interface type determining module 503 may include:
the interface equipment type searching unit is used for searching the interface equipment type corresponding to the parameter of the identification element by utilizing the one-to-one corresponding relation between the preset element parameter and the equipment type;
and the extended device type determining unit is used for determining the type of the extended device contained in the interface device with the interface device type.
A communication establishing module 504, configured to implement, through the output signal of the interface device, a communication connection with an expansion interface of the interface device, where an external device is currently connected to the interface device.
Specifically, the communication establishing module 504 may include:
a signal pin determination unit, configured to detect an output signal of the interface device, and determine a signal pin, which outputs the output signal, in a data interface of the interface device;
the target extension interface type determining unit is used for searching a target extension interface type corresponding to the determined signal pin according to the corresponding relation between the preset signal pin and the extension interface type;
and the communication unit is used for controlling the data interface with the target expansion interface type in the electronic equipment to be communicated with the data interface.
Correspondingly, after determining that the interface device contains the extended interface type, the interface device identification apparatus further includes:
the first output unit is used for outputting the type of the extended interface contained in the interface equipment; or;
and the second output unit is used for outputting the type of the expansion interface which is currently connected with the external equipment in the interface equipment.
According to the interface device identification apparatus provided by the fourth embodiment of the present application, after the detection module determines that the electronic device is connected to the interface device, the parameter of the identification element is obtained through the parameter obtaining module, then the extended interface type included in the interface device is determined through the extended interface type determining module, and finally, in the communication establishing module, the communication connection with the extended interface currently connected to the external device in the interface device is realized. Because the parameter acquiring module in the embodiment only acquires the parameters of the identification element, that is, the communication between the interface device and the electronic device is completed only by setting the identification element in the interface device, and no other control or switching circuit is provided, the cost is low, and the application range of the interface device is favorably expanded.
Example five:
according to the interface device provided in the first embodiment of the present application, an interface device identification system is provided in the fifth embodiment of the present application, referring to fig. 6, fig. 6 is a schematic structural diagram of the fifth embodiment of the interface device identification system provided in the present application, the system includes an electronic device 601 and an interface device 602, the electronic device 601 includes a data interface 6011, a device identification chip 6012, and a communication switching chip 6013, where:
the device identification chip 6012 is configured to obtain a parameter of an identification element connected to the data interface in the interface device, and determine, based on the parameter of the identification element, an extended interface type included in the interface device;
the communication switching chip 6013 is configured to implement, according to the output signal of the interface device, a communication connection with an expansion interface of the interface device, where an external device is currently connected to the expansion interface.
Specifically, the identification chip mainly acquires the parameter of the identification element and determines the type of the expansion interface of the interface device, and the identification element preferably selects the resistor in the application, so that the acquired parameter of the identification element is the determined resistance value, so that the AD5933 chip can be selected to acquire the resistance value, then the judgment chip is connected to judge the type of the expansion interface according to the resistance value, and correspondingly, an integrated chip with similar functions can be adopted to achieve the purpose. Similarly, when the communication switching chip is selected, the electronic device needs to communicate with the external device connected through the expansion interface, and the selection of the specific model and type is not particularly limited.
According to an embodiment of the present application, a fifth interface device identification system is provided, where the system includes an interface device and an electronic device, and the electronic device includes a data interface, a device identification chip, and a communication switching chip, and determines an extended interface type included in the interface device according to a parameter of an identification element obtained by the device identification chip, and then performs communication connection according to the communication switching chip. In the embodiment, the parameters of the identification element are determined only by the device identification chip, so that the communication connection between the interface device and the communication device is established, and the communication connection is not established by other circuits or elements, so that the low cost is realized, and the application range of the interface device is favorably expanded.
In practical applications, the electronic device described in this application is specifically a multimedia output device, and may be a device with a main computing function, such as a tablet computer, a notebook computer, a desktop computer, and a PDA, or a device with a main display function, such as an electronic book, a television, and a display. The interface types included in the interface device described in this application may be selected from various types, such as a USB interface type, an IEEE 1394 interface type, an HDMI interface type, and a DVI interface type, and the application does not limit the extension interface types. The interface device may be designed as a universal docking station or other form of device having the functionality described herein.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
Finally, it should be further noted that, in the embodiments described above, relational terms such as first, second and the like are used solely to distinguish one operation, unit or module from another operation, unit or module without necessarily requiring or implying any actual such relationship or order between such units, operations or modules. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or system that comprises the element.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (8)
1. An interface device, comprising: casing, setting are in Type-C interface, first Type extension interface and second Type extension interface in the casing, wherein:
one end of the first Type of expansion interface and one end of the second Type of expansion interface are respectively connected with the Type-C interface, and the other ends of the first Type of expansion interface and the second Type of expansion interface are exposed through the outer surface of the shell;
the identification pin of the Type-C interface is connected with a resistor and is connected with the identification pin of the Type-C interface of the electronic equipment, so that the electronic equipment determines the Type of the expansion interface contained in the interface equipment and the insertion direction of the interface equipment based on the resistance value of the resistor, and the communication connection with the expansion interface of the external equipment is realized through the output signal of the interface equipment.
2. The device of claim 1, wherein the first type of expansion interface comprises at least one USB interface, wherein the second type of expansion interface comprises a display interface, and wherein:
when the first type of expansion interface comprises a plurality of USB interfaces, the first type of expansion interface further comprises USB hubs respectively connected with the plurality of USB interfaces.
3. An interface device identification method, comprising:
detecting that a Type-C interface of the electronic equipment is connected with interface equipment;
acquiring the resistance value of a resistor connected with the Type-C interface in the interface equipment;
determining the type of an expansion interface contained in the interface equipment and the insertion direction of the interface equipment based on the resistance value of the resistor;
and realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
4. The method of claim 3, wherein determining the type of the expansion interface included in the interface device based on the resistance value of the resistor comprises:
searching the interface equipment type corresponding to the resistance value of the resistor by utilizing the one-to-one correspondence relationship between the preset element parameters and the equipment types;
and determining the type of the extended equipment contained in the interface equipment with the type of the interface equipment.
5. The method according to claim 3, wherein the implementing, by the output signal of the interface device, the communication connection with the expansion interface of the interface device to which the external device is currently connected comprises:
detecting an output signal of the interface equipment, and determining a signal pin for outputting the output signal in a Type-C interface of the interface equipment;
searching a target expansion interface type corresponding to the determined signal pin according to a preset corresponding relation between the signal pin and the expansion interface type;
and controlling the Type-C interface with the target extension interface Type in the electronic equipment to be communicated with the Type-C interface.
6. The method according to any one of claims 3-5, wherein after determining the type of the extended interface included in the interface device, the method further comprises:
outputting the type of the extended interface contained in the interface equipment; or;
and outputting the type of the expansion interface which is currently connected with the external equipment in the interface equipment.
7. An interface device identification apparatus, comprising:
the detection module is used for detecting that the Type-C interface of the electronic equipment is connected with interface equipment;
the parameter acquisition module is used for acquiring the resistance value of a resistor connected with the Type-C interface in the interface equipment;
the extended interface type determining module is used for determining the type of an extended interface contained in the interface equipment and the inserting direction of the interface equipment based on the resistance value of the resistor;
and the communication establishing module is used for realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
8. An interface device identification system, the system comprising an electronic device and an interface device according to any one of claims 1 to 2, the electronic device comprising a Type-C interface, a device identification chip and a communication switching chip, wherein:
the device identification chip is used for acquiring the resistance value of a resistor connected with the Type-C interface in the interface device, and determining the Type of the expansion interface contained in the interface device and the insertion direction of the interface device based on the resistance value of the resistor;
and the communication switching chip is used for realizing communication connection with an expansion interface which is currently connected with external equipment in the interface equipment through the output signal of the interface equipment.
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| CN108615996B (en) | 2018-04-26 | 2020-03-24 | 京东方科技集团股份有限公司 | Plug, interface equipment and identification method thereof |
| CN108959131B (en) * | 2018-06-25 | 2022-05-31 | 联想(北京)有限公司 | Method for connecting electronic equipment and external equipment and electronic equipment |
| CN112530379A (en) * | 2019-09-18 | 2021-03-19 | 咸阳彩虹光电科技有限公司 | Display device and interface type selection method thereof |
| CN111883037A (en) * | 2020-07-28 | 2020-11-03 | 重庆惠科金渝光电科技有限公司 | Time sequence control plate, driving device and display device |
| CN111881072B (en) * | 2020-07-30 | 2021-11-23 | 武汉精立电子技术有限公司 | High-speed USB TYPE-C interface device supporting bidirectional transmission and graphic signal generator |
| CN112422145B (en) * | 2020-11-10 | 2022-03-08 | 上海移远通信技术股份有限公司 | Intercom |
| CN113760804A (en) * | 2021-01-25 | 2021-12-07 | 苏州臻迪智能科技有限公司 | Module identification method and device, storage medium and electronic equipment |
| CN112952933A (en) * | 2021-02-03 | 2021-06-11 | 广州视源电子科技股份有限公司 | Interface expansion device, electronic device and interface expansion method |
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