KR20220142202A - Electronic device providing method of multi-connection contol by using usb type-c connecting terminal and method of operation therof - Google Patents

Abstract

A first electronic device according to one embodiment of the present disclosure comprises: a first connection terminal connectable to an external electronic device; a memory including a service driver providing a control mode; and a processor connected to the first connection terminal and the memory. The processor is configured to set the first connection terminal to a host mode when the control mode is selected by a user, store a port number of the first connection terminal in the memory, transmit a control mode request to a second electronic device connected to the first connection terminal, request information on a plurality of connection terminals included in the second electronic device from the second electronic device upon receiving a response to the control mode request, allocate a port number to each of the plurality of connection terminals included in the second electronic device upon obtaining the information on the plurality of connection terminals, store port numbers allocated to the second electronic device in the memory, and transmit the port numbers allocated to the second electronic device to the second electronic device. Accordingly, a host electronic device can control various electronic devices connected to a connection terminal of a client electronic device.

Description

ELECTRONIC DEVICE PROVIDING METHOD OF MULTI-CONNECTION CONTOL BY USING USB TYPE-C CONNECTING TERMINAL AND METHOD OF OPERATION THEROF

Various embodiments of the present disclosure relate to an electronic device including a USB type-C connection terminal and an operating method thereof.

When the first electronic device and the second electronic device are connected to each other by a USB type C standard cable through the USB type C connection terminal, the first electronic device and the second electronic device are connected to the USB type-C configuration channel (CC) of the CCIC chip. Through the channel, communication can be performed as defined in the USB Type-C standard. When the first electronic device operates as a host, the second electronic device may operate as a client, and in this case, when a third electronic device connected to the USB Type C connection terminal of the second electronic device exists The first electronic device may not be able to directly control the third electronic device.

Assuming that there are multiple electronic devices having a USB Type-C connection terminal and each electronic device is connected to each other with a USB Type-C cable, a method of directly using a specific electronic device to control various devices connected to other electronic devices may be needed

An electronic device according to various embodiments of the present disclosure provides a method for a host electronic device to control various electronic devices connected to a connection terminal of a client electronic device when a plurality of electronic devices are connected to each other through a USB Type-C connection terminal want to

A first electronic device according to an embodiment of the present disclosure includes a memory including a first connection terminal connectable to an external electronic device, a service driver providing a control mode, and a processor connected to the first connection terminal and the memory. wherein the processor sets the first connection terminal to a host mode as a control mode is selected by the user, stores the port number of the first connection terminal in the memory, and the first connection Transmits a control mode request to the second electronic device connected to the terminal, and when a response to the control mode request is received, information on a plurality of connection terminals included in the second electronic device is provided to the second electronic device Upon request and obtaining information on the plurality of connection terminals, a port number is allocated to each of the plurality of connection terminals included in the second electronic device, and the port numbers allocated to the second electronic device are assigned to each other. and store in the memory and transmit port numbers assigned to the second electronic device to the second electronic device.

A method of operating a first electronic device according to an embodiment of the present disclosure may include, when a control mode is selected by a user, the first electronic device? sets the first connection terminal to a host mode, stores the port number of the first connection terminal in the memory of the first electronic device, and sends a control mode request to the second electronic device connected to the first connection terminal and when a response to the control mode request is received, the second electronic device requests information on a plurality of connection terminals included in the second electronic device, and information on the plurality of connection terminals is obtained, a port number is assigned to each of the plurality of connection terminals included in the second electronic device, the port numbers assigned to the second electronic device are stored in the memory, and the second electronic device is sent to the second electronic device. The assigned port numbers may be transmitted to the second electronic device.

According to the electronic device according to various embodiments of the present disclosure, when a plurality of electronic devices supporting a control mode are connected to each other through a USB Type-C connection terminal, the host electronic device connects various electronic devices connected to the connection terminal of the client electronic device. can be controlled

In addition, various effects directly or indirectly identified through this document may be provided.

1 is a block diagram of an electronic device in a network environment, according to various embodiments of the present disclosure;
2 is a diagram illustrating a connection state of electronic devices according to an exemplary embodiment.
3 is a flowchart illustrating an operation of a first electronic device according to an exemplary embodiment.
4 is a flowchart illustrating an operation of a second electronic device according to an exemplary embodiment.
5 is a flowchart illustrating an operation of a first electronic device according to an exemplary embodiment.
6 is a flowchart illustrating an operation of a second electronic device according to an exemplary embodiment.
In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar components.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood that various modifications, equivalents, and/or alternatives of the embodiments of the present invention are included.

1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments. Referring to FIG. 1 , in a network environment 100 , an electronic device 101 communicates with an electronic device 102 through a first network 198 (eg, a short-range wireless communication network) or a second network 199 . It may communicate with the electronic device 104 or the server 108 through (eg, a long-distance wireless communication network). According to an embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108 . According to an embodiment, the electronic device 101 includes a processor 120 , a memory 130 , an input module 150 , a sound output module 155 , a display module 160 , an audio module 170 , and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or an antenna module 197 . In some embodiments, at least one of these components (eg, the connection terminal 178 ) may be omitted or one or more other components may be added to the electronic device 101 . In some embodiments, some of these components (eg, sensor module 176 , camera module 180 , or antenna module 197 ) are integrated into one component (eg, display module 160 ). can be

The processor 120, for example, executes software (eg, a program 140) to execute at least one other component (eg, a hardware or software component) of the electronic device 101 connected to the processor 120. It can control and perform various data processing or operations. According to one embodiment, as at least part of data processing or operation, the processor 120 converts commands or data received from other components (eg, the sensor module 176 or the communication module 190 ) to the volatile memory 132 . may be stored in , process commands or data stored in the volatile memory 132 , and store the result data in the non-volatile memory 134 . According to an embodiment, the processor 120 is the main processor 121 (eg, a central processing unit or an application processor) or a secondary processor 123 (eg, a graphic processing unit, a neural network processing unit (eg, a graphic processing unit, a neural network processing unit) a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, when the electronic device 101 includes the main processor 121 and the sub-processor 123 , the sub-processor 123 uses less power than the main processor 121 or is set to be specialized for a specified function. can The auxiliary processor 123 may be implemented separately from or as a part of the main processor 121 .

The secondary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (eg, sleep) state, or when the main processor 121 is active (eg, executing an application). ), together with the main processor 121, at least one of the components of the electronic device 101 (eg, the display module 160, the sensor module 176, or the communication module 190) It is possible to control at least some of the related functions or states. According to an embodiment, the coprocessor 123 (eg, an image signal processor or a communication processor) may be implemented as part of another functionally related component (eg, the camera module 180 or the communication module 190 ). have. According to an embodiment, the auxiliary processor 123 (eg, a neural network processing device) may include a hardware structure specialized for processing an artificial intelligence model. Artificial intelligence models can be created through machine learning. Such learning may be performed, for example, in the electronic device 101 itself on which artificial intelligence is performed, or may be performed through a separate server (eg, the server 108). The learning algorithm may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but in the above example not limited The artificial intelligence model may include a plurality of artificial neural network layers. Artificial neural networks include deep neural networks (DNNs), convolutional neural networks (CNNs), recurrent neural networks (RNNs), restricted boltzmann machines (RBMs), deep belief networks (DBNs), bidirectional recurrent deep neural networks (BRDNNs), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the above example. The artificial intelligence model may include, in addition to, or alternatively, a software structure in addition to the hardware structure.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176 ) of the electronic device 101 . The data may include, for example, input data or output data for software (eg, the program 140 ) and instructions related thereto. The memory 130 may include a volatile memory 132 or a non-volatile memory 134 .

The program 140 may be stored as software in the memory 130 , and may include, for example, an operating system 142 , middleware 144 , or an application 146 .

The input module 150 may receive a command or data to be used by a component (eg, the processor 120 ) of the electronic device 101 from the outside (eg, a user) of the electronic device 101 . The input module 150 may include, for example, a microphone, a mouse, a keyboard, a key (eg, a button), or a digital pen (eg, a stylus pen).

The sound output module 155 may output a sound signal to the outside of the electronic device 101 . The sound output module 155 may include, for example, a speaker or a receiver. The speaker can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from or as part of the speaker.

The display module 160 may visually provide information to the outside (eg, a user) of the electronic device 101 . The display module 160 may include, for example, a control circuit for controlling a display, a hologram device, or a projector and a corresponding device. According to an embodiment, the display module 160 may include a touch sensor configured to sense a touch or a pressure sensor configured to measure the intensity of a force generated by the touch.

The audio module 170 may convert a sound into an electric signal or, conversely, convert an electric signal into a sound. According to an embodiment, the audio module 170 acquires a sound through the input module 150 , or an external electronic device (eg, a sound output module 155 ) connected directly or wirelessly with the electronic device 101 . The electronic device 102) (eg, a speaker or headphones) may output a sound.

The sensor module 176 detects an operating state (eg, power or temperature) of the electronic device 101 or an external environmental state (eg, a user state), and generates an electrical signal or data value corresponding to the sensed state. can do. According to an embodiment, the sensor module 176 may include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, a humidity sensor, or an illuminance sensor.

The interface 177 may support one or more specified protocols that may be used by the electronic device 101 to directly or wirelessly connect with an external electronic device (eg, the electronic device 102 ). According to an embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102 ). According to an embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 may convert an electrical signal into a mechanical stimulus (eg, vibration or movement) or an electrical stimulus that the user can perceive through tactile or kinesthetic sense. According to an embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 may capture still images and moving images. According to an embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 may manage power supplied to the electronic device 101 . According to an embodiment, the power management module 188 may be implemented as, for example, at least a part of a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101 . According to one embodiment, battery 189 may include, for example, a non-rechargeable primary cell, a rechargeable secondary cell, or a fuel cell.

The communication module 190 is a direct (eg, wired) communication channel or a wireless communication channel between the electronic device 101 and an external electronic device (eg, the electronic device 102, the electronic device 104, or the server 108). It can support establishment and communication performance through the established communication channel. The communication module 190 may include one or more communication processors that operate independently of the processor 120 (eg, an application processor) and support direct (eg, wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (eg, a cellular communication module, a short-range communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (eg, : It may include a local area network (LAN) communication module, or a power line communication module). A corresponding communication module among these communication modules is a first network 198 (eg, a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (eg, legacy It may communicate with the external electronic device 104 through a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (eg, a telecommunication network such as a LAN or a WAN). These various types of communication modules may be integrated into one component (eg, a single chip) or may be implemented as a plurality of components (eg, multiple chips) separate from each other. The wireless communication module 192 uses subscriber information (eg, International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 within a communication network such as the first network 198 or the second network 199 . The electronic device 101 may be identified or authenticated.

The wireless communication module 192 may support a 5G network after a 4G network and a next-generation communication technology, for example, a new radio access technology (NR). NR access technology includes high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and access to multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency) -latency communications)). The wireless communication module 192 may support a high frequency band (eg, mmWave band) to achieve a high data rate, for example. The wireless communication module 192 uses various techniques for securing performance in a high-frequency band, for example, beamforming, massive multiple-input and multiple-output (MIMO), all-dimensional multiplexing. It may support technologies such as full dimensional MIMO (FD-MIMO), an array antenna, analog beam-forming, or a large scale antenna. The wireless communication module 192 may support various requirements defined in the electronic device 101 , an external electronic device (eg, the electronic device 104 ), or a network system (eg, the second network 199 ). According to an embodiment, the wireless communication module 192 may include a peak data rate (eg, 20 Gbps or more) for realizing eMBB, loss coverage (eg, 164 dB or less) for realizing mMTC, or U-plane latency for realizing URLLC ( Example: Downlink (DL) and uplink (UL) each 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive a signal or power to the outside (eg, an external electronic device). According to an embodiment, the antenna module 197 may include an antenna including a conductor formed on a substrate (eg, a PCB) or a radiator formed of a conductive pattern. According to an embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is connected from the plurality of antennas by, for example, the communication module 190 . can be selected. A signal or power may be transmitted or received between the communication module 190 and an external electronic device through the selected at least one antenna. According to some embodiments, other components (eg, a radio frequency integrated circuit (RFIC)) other than the radiator may be additionally formed as a part of the antenna module 197 .

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, the mmWave antenna module comprises a printed circuit board, an RFIC disposed on or adjacent to a first side (eg, bottom side) of the printed circuit board and capable of supporting a designated high frequency band (eg, mmWave band); and a plurality of antennas (eg, an array antenna) disposed on or adjacent to a second side (eg, top or side) of the printed circuit board and capable of transmitting or receiving signals of the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (eg, a bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and a signal ( e.g. commands or data) can be exchanged with each other.

According to an embodiment, the command or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199 . Each of the external electronic devices 102 or 104 may be the same as or different from the electronic device 101 . According to an embodiment, all or a part of operations executed in the electronic device 101 may be executed in one or more external electronic devices 102 , 104 , or 108 . For example, when the electronic device 101 needs to perform a function or service automatically or in response to a request from a user or other device, the electronic device 101 may perform the function or service itself instead of executing the function or service itself. Alternatively or additionally, one or more external electronic devices may be requested to perform at least a part of the function or the service. One or more external electronic devices that have received the request may execute at least a part of the requested function or service, or an additional function or service related to the request, and transmit a result of the execution to the electronic device 101 . The electronic device 101 may process the result as it is or additionally and provide it as at least a part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of things (IoT) device. The server 108 may be an intelligent server using machine learning and/or neural networks. According to an embodiment, the external electronic device 104 or the server 108 may be included in the second network 199 . The electronic device 101 may be applied to an intelligent service (eg, smart home, smart city, smart car, or health care) based on 5G communication technology and IoT-related technology.

The electronic device according to various embodiments disclosed in this document may have various types of devices. The electronic device may include, for example, a portable communication device (eg, a smart phone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. The electronic device according to the embodiment of the present document is not limited to the above-described devices.

The various embodiments of this document and terms used therein are not intended to limit the technical features described in this document to specific embodiments, but it should be understood to include various modifications, equivalents, or substitutions of the embodiments. In connection with the description of the drawings, like reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the item, unless the relevant context clearly dictates otherwise. As used herein, "A or B", "at least one of A and B", "at least one of A or B", "A, B or C", "at least one of A, B and C", and "A , B, or C," each of which may include any one of the items listed together in the corresponding one of the phrases, or all possible combinations thereof. Terms such as "first", "second", or "first" or "second" may simply be used to distinguish an element from other elements in question, and may refer elements to other aspects (e.g., importance or order) is not limited. It is said that one (eg, first) component is “coupled” or “connected” to another (eg, second) component, with or without the terms “functionally” or “communicatively”. When referenced, it means that one component can be connected to the other component directly (eg by wire), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as, for example, logic, logic block, component, or circuit. can be used as A module may be an integrally formed part or a minimum unit or a part of the part that performs one or more functions. For example, according to an embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document include one or more instructions stored in a storage medium (eg, internal memory 136 or external memory 138) readable by a machine (eg, electronic device 101). may be implemented as software (eg, the program 140) including For example, the processor (eg, the processor 120 ) of the device (eg, the electronic device 101 ) may call at least one of the one or more instructions stored from the storage medium and execute it. This makes it possible for the device to be operated to perform at least one function according to the called at least one command. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain a signal (eg, electromagnetic wave), and this term is used in cases where data is semi-permanently stored in the storage medium and It does not distinguish between temporary storage cases.

According to one embodiment, the method according to various embodiments disclosed in this document may be provided in a computer program product (computer program product). Computer program products may be traded between sellers and buyers as commodities. The computer program product is distributed in the form of a device-readable storage medium (eg compact disc read only memory (CD-ROM)), or via an application store (eg Play Store™) or on two user devices ( It can be distributed (eg downloaded or uploaded) directly, online between smartphones (eg: smartphones). In the case of online distribution, at least a portion of the computer program product may be temporarily stored or temporarily created in a machine-readable storage medium such as a memory of a server of a manufacturer, a server of an application store, or a relay server.

According to various embodiments, each component (eg, a module or a program) of the above-described components may include a singular or a plurality of entities, and some of the plurality of entities may be separately disposed in other components. have. According to various embodiments, one or more components or operations among the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component are executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations are executed in a different order, or omitted. , or one or more other operations may be added.

Hereinafter, an electronic device according to an embodiment of the present disclosure will be described with reference to FIGS. 2 and 3 .

2 is a diagram illustrating a connection state of electronic devices according to an exemplary embodiment. 3 is a flowchart illustrating an operation of a first electronic device according to an exemplary embodiment. Each configuration of the first electronic device 210 , the second electronic device 220 , and the third electronic device 230 of FIG. 2 according to an embodiment may correspond to the configuration of the electronic device 101 of FIG. 1 . .

First, referring to FIG. 2 , the first electronic device 210 according to an embodiment may include at least one connection terminal 211 and 212 (eg, the connection terminal 178 of FIG. 1 ). According to an embodiment, the first electronic device 210 may include a first connection terminal 211 and a second connection terminal 212 . However, this is only an example, and it is sufficient that the first electronic device 210 includes at least one connection terminal. According to an embodiment, the first connection terminal 211 and the second connection terminal 212 may be a USB Type-C (USB Type-C) interface as an interface capable of exchanging data in a cable-based wired manner. . The first electronic device 210 may be connected to the third connection terminal 221 of the second electronic device 220 by wire through the second connection terminal 212 .

According to an embodiment, the first electronic device 210 includes a first service app 214 , a first service driver 215 , a first power delivery integrated circuit (PDIC) 216 , and a first switch 217 . can do. According to an embodiment, a dotted line block in FIG. 2 may mean a software configuration. For example, the dotted line block configuration of FIG. 2 may be included in the program 140 of FIG. 1 , and the operation of the dotted line block may be performed by the processor 120 of FIG. 1 .

According to an embodiment, the first service app 214 may be an application that provides a control mode. According to an embodiment, the control mode may be a mode in which the electronic device can control another electronic device directly or indirectly connected to the electronic device through a wire. According to an embodiment, the indirectly connected state may mean a state in which two electronic devices are connected to each other through at least one other electronic device in the middle. According to an embodiment, the first service app 214 may provide a user interface for executing a control mode and an interface for selecting a connection terminal to the user. According to an embodiment, the first service app 214 may be stored in the memory of the first electronic device 210 (eg, the memory 130 of FIG. 1 ).

According to an embodiment, the first service driver 215 controls the first PDIC 216 , and controls the first switch 217 to provide a data line between connection terminals included in the first electronic device 210 . line) and/or a cc line (configuration channel line) may be connected. According to an embodiment, the first service driver 215 may be stored in the memory of the first electronic device 210 (eg, the memory 130 of FIG. 1 ).

According to an embodiment, the first PDIC 216 may control at least one connection terminal included in the first electronic device 210 . According to an embodiment, the operation of the first PDIC 216 is performed by a configuration channel integrated circuit (CCIC) or an application processor (AP) (eg, the processor 120 of FIG. 1 ) according to a configuration included in the first electronic device 210 . )) can also be performed by According to an embodiment, each of the PDIC and the CCIC may include a separate memory in a corresponding chipset.

According to an embodiment, the first switch 217 may connect a data line and/or a configuration channel line between connection terminals included in the first electronic device 210 in the control mode. According to an embodiment, the first switch 217 may connect all of the USB lines between the first connection terminal 211 and the second connection terminal 212 , and the first connection terminal 211 and the second connection terminal 212 . It is also possible to connect only data lines between them.

The second electronic device 220 according to an embodiment may include at least one connection terminal 221 , 222 , 223 (eg, the connection terminal 178 of FIG. 1 ). According to an embodiment, the second electronic device 220 may include a third connection terminal 221 , a fourth connection terminal 222 , and a fifth connection terminal 223 . However, this is only an example, and it is sufficient that the second electronic device 220 includes at least one connection terminal. According to an embodiment, the third connection terminal 221 , the fourth connection terminal 222 , and the fifth connection terminal 223 are an interface capable of exchanging data in a cable-based wired manner, and include a USB Type C ( Type-C) interface. The second electronic device 220 may be connected to the fourth electronic device 240 by wire through the fourth connection terminal 222 . According to an embodiment, the fourth electronic device 240 may be a display device. Also, the second electronic device 220 may be connected to the sixth connection terminal 231 of the third electronic device 230 through a wire through the fifth connection terminal 223 .

According to an embodiment, the second electronic device 220 includes a second service app 224 , a second service driver 225 , a second power delivery integrated circuit (PDIC) 226 , and a second switch 227 . can do. The description of the second service app 224 , the second service driver 225 , the second power delivery integrated circuit (PDIC) 226 , and the second switch 227 according to an embodiment is the above-described first service The description of the app 214 , the first service driver 215 , the first power delivery integrated circuit (PDIC) 216 , and the first switch 217 may be the same.

The third electronic device 230 according to an embodiment may include at least one connection terminal 231 , 232 , 233 (eg, the connection terminal 178 of FIG. 1 ). According to an embodiment, the third electronic device 230 may include a sixth connection terminal 231 , a seventh connection terminal 232 , and an eighth connection terminal 233 . However, this is only an example, and it is sufficient that the third electronic device 230 includes at least one connection terminal. According to an embodiment, the sixth connection terminal 231 , the seventh connection terminal 232 , and the eighth connection terminal 233 are an interface capable of exchanging data in a cable-based wired manner and include a USB Type C ( Type-C) interface. The third electronic device 230 may be connected to the fifth electronic device 250 by wire through the seventh connection terminal 232 . According to an embodiment, the fifth electronic device 250 may be a USB device. Also, the third electronic device 230 may be connected to the fifth connection terminal 223 of the second electronic device 220 via a wire through the sixth connection terminal 233 .

According to an embodiment, the third electronic device 230 includes a third service app 234 , a third service driver 235 , a third power delivery integrated circuit (PDIC) 236 , and a third switch 237 . can do. According to an embodiment, the description of the third service app 234 , the third service driver 235 , the third power delivery integrated circuit (PDIC) 236 , and the third switch 237 is the first service described above. The description of the app 214 , the first service driver 215 , the first power delivery integrated circuit (PDIC) 216 , and the first switch 217 may be the same.

Hereinafter, an operation of the first electronic device 210 will be described with further reference to FIG. 3 . The operations of FIG. 3 may be performed through a first service driver 215 supporting a control mode stored in a memory (eg, the memory 130 of FIG. 1 ) of the first electronic device 210 . .

2 and 3 , in operation 301 , a control mode may be selected by the user in the first electronic device 210 . According to an embodiment, the first service app 214 of the first electronic device 210 may provide a user interface for executing the control mode to the user, and the user's control mode selection input may be received through the user interface. can

According to the USB Type-C standard, when the control mode is not selected in the first electronic device 210 , the USB Type-C first connection terminal 212 and the second electronic device 220 of the first electronic device 210 are ), when the second connection terminal of the USB type C is connected with a cable that satisfies the USB type C standard, the host and the client give the first electronic device 210 and the second electronic device 220 . It can be set randomly. According to the USB Type-C standard, when two electronic devices are connected to each other through USB Type-C connectors, one electronic device must be set as the UFP (upstream facing port) and the other electronic device as the DFP (downstream facing port). do. If the electronic device is set to UFP, it may operate as a host, and if it is set to DFP, it may operate as a client.

According to an embodiment, when a control mode is selected in one electronic device, settings of connection terminals between the connected electronic devices may be rearranged. According to an embodiment, in operation 301 , when the control mode is selected in the first electronic device 210 , the first electronic device 210 becomes a host device and all connection terminals ( 211 and 212 may be set as the host mode. According to an embodiment, when the control mode is selected in the first electronic device 210 , the first electronic device 210 may change to the host mode by dual role swap based on the USB Type-C standard. . Alternatively, if the second connection terminal 212 of the first electronic device 210 does not support dual roll swap, disconnect and reconnect the cable of the second connection terminal 212 to set the second connection terminal 212 in the host mode. can be changed to

In operation 303 , the processor of the first electronic device 210 (eg, the processor 120 of FIG. 1 ) may update the database of the first service driver 215 . According to an embodiment, the database of the first service driver 215 of the first electronic device 210 may have a structure as shown in [Table 1].

According to an embodiment, the database may be located in the main memory of the first electronic device 210 (eg, the memory 130 of FIG. 1 ) or may be located in a memory included in a separate chipset of the PDIC or CCIC. .

According to an embodiment, the node number may be stored in the first block of the database of the first service driver 215 . The first service driver 215 of the first electronic device 210, which is the host electronic device, designates the first electronic device 210 as node number 1, and is a node in the first block of the database of the first service driver 215. You can update to number 1. The node number of the host electronic device is always 1, and the electronic devices connected thereafter may be assigned a number that increases from 2 in order.

According to an embodiment, basic information of the first electronic device 210 may be stored in a second block of the database of the first service driver 215 . According to an embodiment, an example of device information stored in the second block of the database of the first service driver 215 may be shown in [Table 2]. However, this is only an example.

According to an embodiment, from the third block of the database of the first service driver 215 , information on the connection terminals of the first electronic device 210 may be stored as many as the number of connection terminals. According to an embodiment, the first service driver 215 of the first electronic device 210 may designate the port number of the first connection terminal 211 as 1 and update the port number in the third block of the database. According to an embodiment, the first service driver 215 of the first electronic device 210 may designate the port number of the second connection terminal 212 as 2 and update the port number in the fourth block of the database. According to an embodiment, the first service driver 215 of the first electronic device 201 may update data corresponding to the status of each connection terminal in the database. For example, the first service driver 215 of the first electronic device 210 may include a type of connection terminal in the database, a supportable device, a supported standard (eg, USB2.0, USB3.0, etc.), a display port (DP). ) support or whether the connection terminal is in use, at least one of information may be updated.

According to an embodiment, when three or more connection terminals of the first electronic device 201 exist, the port number assigned to each connection terminal and information on the connection terminal may be stored sequentially from the fifth block of [Table 1]. have.

In operation 305 , the first service driver 215 of the first electronic device 210 may transmit a control mode request to the second electronic device 220 . When the second electronic device 220 supports the control mode, the second electronic device 220 may transmit an acceptance response to the request to the first electronic device 210 . As the second electronic device 220 transmits an acceptance response to the control mode request to the first electronic device 210 , the second service driver of the second electronic device 220 may start an operation.

In operation 307 , the first electronic device 210 may determine whether an acceptance response is received from the second electronic device 220 . In operation 309 , when the first electronic device 210 does not receive an acceptance response from the second electronic device 220 , communication with the second electronic device 220 is performed in a normal mode based on the USB Type-C standard. can

In operation 311 , when receiving an acceptance response from the second electronic device 220 , the first electronic device 210 may request information on the connection terminal from the second electronic device 220 . According to an embodiment, the first electronic device 210 may request at least one piece of information among the information in [Table 3] from the second electronic device 220 .

According to an embodiment, when an alternate mode is supported when the first electronic device 210 and the second electronic device 220 are connected, the first electronic device 210 supports the alternate mode. At least one of the information in [Table 3] can be requested through a Vendor Defined Object (VDO). According to an embodiment, the first electronic device 210 may transmit a Vendor Defined Message (VDM) command having a desired VDO to the second electronic device 220 . According to an embodiment, the VDM command may be transmitted through a configuration channel pin (CC).

According to an embodiment, the first service driver 215 of the first electronic device 210 defines a new VDO when additional information other than the VDO information defined in the USB Type-C standard is required, and defines a second VDO through the newly defined VDM. Information on the connection terminal may be requested from the electronic device 220 .

In operation 313 , the first electronic device 210 may receive information about the connection terminal from the second electronic device 220 . The second electronic device 220 may transmit all information on each connection terminal included in the second electronic device 220 to the first electronic device 210 . According to an embodiment, the second electronic device 220 transmits the information in [Table 3] for each of the third connection terminal 221 , the fourth connection terminal 222 , and the fifth connection terminal 223 to the first electronic device. may be transmitted to the device 210 .

According to an embodiment, when the alternate mode is supported, the second electronic device 220 generates VDOs as many as the number of connection terminals included in the second electronic device 220 and sends the first electronic device 210 through the VDM command. ) can be sent to

In operation 315 , the first service driver 215 of the first electronic device 210 allocates port numbers to the connection terminals 221 , 222 , and 223 of the second electronic device 220 to the second electronic device 220 . ) can be sent to According to an embodiment, the first service driver 215 of the first electronic device 210 designates the node number of the second electronic device 220 as 2, and the third connection terminal ( 221) port number can be designated as 3. Also, according to an embodiment, the first service driver 215 of the first electronic device 210 designates the port number of the fourth connection terminal 222 of the second electronic device 220 as 4, and the second electronic device A port number of the fifth connection terminal 223 of 220 may be designated as 5 . According to an embodiment, the first service driver 215 of the first electronic device 210 may transmit the specified node number and port number to the second electronic device 220 . According to an embodiment, the first service driver 215 of the first electronic device 210 may store the specified node number and port number of the second electronic device 220 in the database of the first service driver 215 . .

According to an embodiment, when the alternate mode is supported, the number of VDOs of the VDM received from the second electronic device 220 in the first electronic device 210 is equal to the number of connection terminals included in the second electronic device 220 . As they match, each unique port number can be assigned as many as the number of VDOs. According to an embodiment, the first electronic device 210 may transmit the designated port number to the second electronic device 220 again through the VDM. According to an embodiment, the second service driver of the second electronic device 220 may store the received node number and port number in the database of the second service driver 225 . For example, the second service driver 225 of the second electronic device 220 may update node number 2 and three unique numbers 3, 4, and 5 of each connection terminal. According to an embodiment, the structure of the database of the first service driver 215 may be the same as that of the database of the first service driver 215 (eg, [Table 1]). According to an embodiment, the database of the second electronic device 220 may be located in the main memory of the second electronic device 220 or in a memory included in a separate chipset of the PDIC/CCIC.

In operation 317 , the first service driver 215 of the first electronic device 210 may complete the control mode setting.

Hereinafter, an operation of the second electronic device 220 according to an exemplary embodiment will be described with reference to FIGS. 2 and 4 .

4 may be a flowchart illustrating an operation of the second electronic device 220 according to an exemplary embodiment. The second electronic device 220 connects between the host electronic device (eg, the first electronic device 210 ) and another electronic device (eg, the third electronic device 230 or the fourth electronic device 240 ). It can indicate the device being used. FIG. 4 may be a flowchart illustrating the operation of the second electronic device 220 after the control mode setting between the first electronic device 210 and the second electronic device 220 described with reference to FIG. 3 is completed. A description of the same configuration as in the above-described embodiment may be omitted.

2 and 4 , according to an embodiment, in operation 401 , the second service driver 225 of the second electronic device 220 may transmit a control mode request to the third electronic device 230 . The second service driver 225 of the second electronic device 220 excludes the third connection terminal 221 connected to the first electronic device 210 before transmitting the control mode request to the third electronic device 230 . The fourth connection terminal 222 and the fifth connection terminal 223 may be changed to a host mode. According to an embodiment, the second service driver 225 of the second electronic device 220 may change the fourth connection terminal 222 and the fifth connection terminal 223 to the host mode through a dual role swap command. The second service driver 225 of the second electronic device 220 changes the fourth connection terminal 222 and the fifth connection terminal 223 to the host mode, and the third electronic device 230 and the fourth electronic device ( 240) may transmit a control mode request to whether the control mode is possible.

In operation 403 , the second electronic device 220 may determine whether an acceptance response has been received from the third electronic device 220 . According to an embodiment, in operation 405 , when the second electronic device 220 does not receive an acceptance response from the third electronic device 230 , communication with the third electronic device 230 is performed according to the USB Type-C standard. mode can be done. According to an embodiment, when the second electronic device 220 does not receive an acceptance response from the fourth electronic device 240 , communication with the fourth electronic device 240 is performed in a normal mode based on the USB Type-C standard. can do

According to an embodiment, when the second electronic device 220 receives an acceptance response from the third electronic device 230 in operation 407 , it may request information on the connection terminal from the third electronic device 230 . The second electronic device 220 may transmit to the third electronic device 230 a request for the same information list as the information list for the connection terminal requested by the first electronic device 210 . When the alternate mode is supported, the second electronic device 220 may transmit the VDM to the third electronic device 230 as long as the first electronic device 210 requests it.

In operation 409 , the second electronic device 220 may obtain information about a connection terminal from the third electronic device 230 . The third electronic device 230 provides the second connection terminal information for each of the sixth connection terminal 231 , the seventh connection terminal 232 , and the eighth connection terminal 233 included in the third electronic device 230 . The transmission may be performed to the electronic device 220 , and a method of transmitting information on the connection terminal may be the same as the method described with reference to FIG. 3 .

In operation 411 , the second service driver 225 of the second electronic device 220 transmits a new device update request to the first electronic device 210 , which is the host electronic device, and sends an acceptance response to the first electronic device 210 . Then, information on the connection terminal of the third electronic device 230 may be transmitted to the first electronic device 210 .

According to an embodiment, the first electronic device 210 receives the node number for the third electronic device 230 based on the information on the connection terminal of the third electronic device 230 received from the second electronic device 220 . and port numbers can be assigned. According to an embodiment, the first electronic device 210 sets the node number of the third electronic device 230 to 3 , the port number of the sixth connection terminal 231 to 6 , and the port of the seventh connection terminal 232 . Number 7 can be assigned to the port number of the eighth connection terminal as number 8. The first electronic device 210 may transmit the allocated node number and port number of the third electronic device 230 to the second electronic device 220 . According to an embodiment, the first service driver 215 of the first electronic device 210 may store the specified node number and port number of the third electronic device 230 in the database of the first service driver 215 . .

In operation 413 , the second service driver 225 of the second electronic device 220 may transmit the node number and port number received from the first electronic device 210 to the third electronic device 230 . The third electronic device 230 may update the node number and port number received from the second electronic device 220 in the database of the third service driver 235 of the third electronic device 230 . For example, the third service driver 235 of the third electronic device 230 may update node number 3 and three unique numbers 6, 7, and 8 of each connection terminal. According to an embodiment, the structure of the database of the third service driver 235 of the third electronic device 230 includes the structure of the database of the first service driver 215 of the first electronic device (eg, [Table 1] ) can be the same as According to an embodiment, the database of the third electronic device 230 may be located in the main memory of the third electronic device 230 or in a memory included in a separate chipset of the PDIC/CCIC.

In operation 415 , the second electronic device 220 and the first electronic device 210 may complete the control mode setting.

According to an embodiment, the third electronic device 230 that connects between the first electronic device 210 and the fifth electronic device 250, which is a host electronic device, also performs the operations of the fifth electronic device ( The control mode setting may be performed for electronic devices indirectly connected to the first electronic device 210 , including 250 .

According to an embodiment, the first electronic device 210 repeats the operations of FIGS. 3 and 4 to sequentially arrange devices directly or indirectly connected to the first electronic device 210 by node numbers, and connect terminals for each node. It is possible to acquire unique port numbers as many as .

Hereinafter, an operation of the first electronic device 210 according to an exemplary embodiment will be described with reference to FIGS. 2, 5, and 6 .

5 is a flowchart illustrating an operation of a first electronic device according to an exemplary embodiment. 6 is a flowchart illustrating an operation of a second electronic device according to an exemplary embodiment. The flowcharts of FIGS. 5 and 6 may show operations after the setting of the control mode described with reference to FIGS. 3 and 4 is completed. A description of the same configuration as the aforementioned configuration may be omitted.

First, referring to FIGS. 2 and 5 , in operation 501 , the first electronic device 210 displays a list of controllable connection terminals based on the database of the first service driver 215 on a display module (eg, the display of FIG. 1 ). module 160). The list of controllable connection terminals may include connection terminals of other electronic devices, for example, the third connection terminal 221 , the fourth connection terminal 222 , and the fifth connection terminal of the second electronic device 220 . The terminal 223 may include a sixth connection terminal 231 , a seventh connection terminal 232 , and an eighth connection terminal 233 of the third electronic device 230 . According to an embodiment, the first service app 214 may provide a user interface for a list of controllable connection terminals.

In operation 503 , the first electronic device 210 may receive a user selection input for selecting a connection terminal from the list of controllable connection terminals. The user can select a connection terminal from a list of controllable connection terminals that he wants to control. For example, the user may select the seventh connection terminal 232 of the third electronic device 230 .

In operation 505, the first electronic device 210 may transmit a message including information on the selected connection terminal to the electronic device including the selected connection terminal. According to an embodiment, the first electronic device 210 may transmit that it will use the seventh connection terminal 232 to the second electronic device 220 through the connection terminal selection command VDM.

Hereinafter, an operation of the second electronic device 220 that receives a connection terminal selection command from the first electronic device 210 will be described with reference to FIG. 6 .

In operation 601 , the second electronic device 220 may receive a connection terminal selection command from the first electronic device 210 .

In operation 603 , the second electronic device 220 may determine whether the connection terminal included in the connection terminal selection command is a connection terminal included in the second electronic device 220 based on the database of the second service driver 225 .

According to an embodiment, when the first electronic device 210 is the fourth connection terminal 222 of the selected connection terminal, in operation 605, the second electronic device 220 determines that the connection terminal included in the connection terminal selection command is itself. The second switch 227 is determined to be a connection terminal including can be connected via According to an embodiment, the second electronic device 220 may control the second switch 227 through the second PDIC 226 to connect the data line and/or the CC line between connection terminals. According to an exemplary embodiment, when a USB hub is connected between connection terminals inside the second electronic vehicle 220 , the second electronic device 220 may not separately connect a data line.

As the second electronic device 220 connects the data line and/or the CC line of the third connection terminal 221 and the fourth connection terminal 222 , the first electronic device 210 connects to the second connection terminal 212 . ) to enable connection to the fourth connection terminal 222 , and the user can control the operation of the fourth electronic device 240 connected to the fourth connection terminal 222 through the first electronic device 210 . have. For example, the user may control the operation of the fourth electronic device 240 , such as content reproduction, resolution change, volume change, and the like, on the fourth electronic device 240 , which is a display device, through the first electronic device 210 .

According to an embodiment, when the first electronic device 210 is the selected connection terminal device seventh connection terminal 232 , in operation 607 , the second electronic device 220 determines that the connection terminal included in the connection terminal selection command is its own. It is determined that it is a connection terminal that does not include this, and a fifth connection to which the third connection terminal 221 to which the first electronic device 210 is connected and the third electronic device 230 including the selected seventh connection terminal 232 are connected. The data line and/or the CC line of the terminal 223 may be connected through the second switch 227 . Also, the second electronic device 220 may forward the connection terminal selection command message to the third electronic device 230 including the selected seventh connection terminal 232 .

According to an embodiment, the third electronic device 230 receiving the connection terminal selection command from the second electronic device 220 includes the seventh connection terminal 232 and the second electronic device 220 included in the connection terminal selection command. The data line and/or the CC line of the sixth connection terminal 231 connected to may be connected through the third switch 237 .

As the third electronic device 230 connects the physical lines of the seventh connection terminal 232 and the sixth connection terminal 231 , the fifth electronic device 250 connected to the seventh connection terminal 232 sequentially A seventh connection terminal 232 , a sixth connection terminal 231 , a fifth connection terminal 223 , and a third connection terminal 221 . And it may be connected to the first electronic device 210 through the second connection terminal 212 , and the user may control the fifth electronic device 250 through the first electronic device 210 which is a host device. For example, the user manages the stored data of the fifth electronic device 250 , which is a USB device, through the first electronic device 210 . The fifth electronic device 250 may be controlled, such as connection control.

According to various embodiments of the present disclosure, the electronic device may include a service driver that provides a control mode, and the service driver includes ports of a connection terminal included in the electronic device and a connection terminal included in another electronic device connected to the electronic device. Numbers can be assigned, and the assigned port numbers can be stored and managed in the database. The service driver may display a UI (user interface) of a list of electronic devices connected to another electronic device controllable by the host electronic device, and may transmit a connection terminal selection command to another electronic device according to a command of the host electronic device. Also, the service driver included in the client electronic device may control the PDIC, the multiplexer switch, etc. of the client electronic device according to the command for selecting the connection terminal of the host electronic device to connect the connection terminal of the client electronic device to the host electronic device.

That is, according to the electronic device according to various embodiments of the present disclosure, when a plurality of electronic devices supporting the control mode are connected to each other through the USB Type C connection terminal, the host electronic device is connected to the various electronic devices connected to the connection terminal of the client electronic device. devices can be controlled. Accordingly, according to the electronic device according to various embodiments of the present disclosure, a plurality of electronic devices connected to the client electronic devices may be simultaneously connected to the host electronic device, and a specialized device such as a display device and an audio device connected to the client electronic device may also be used as a host electronic device. The device may be able to connect and control.

A first electronic device according to an embodiment of the present disclosure includes a memory including a first connection terminal connectable to an external electronic device, a service driver providing a control mode, and a processor connected to the first connection terminal and the memory. wherein the processor sets the first connection terminal to a host mode as a control mode is selected by the user, stores the port number of the first connection terminal in the memory, and the first connection Transmits a control mode request to the second electronic device connected to the terminal, and when a response to the control mode request is received, information on a plurality of connection terminals included in the second electronic device is provided to the second electronic device Upon request and obtaining information on the plurality of connection terminals, a port number is allocated to each of the plurality of connection terminals included in the second electronic device, and the port numbers allocated to the second electronic device are assigned to each other. and store in the memory and transmit port numbers assigned to the second electronic device to the second electronic device.

According to an embodiment of the present disclosure, the first connection terminal and the plurality of connection terminals correspond to a universal serial bus (USB) type C connection terminal, and the processor transmits information about the plurality of connection terminals to VDM. (Vendor Defined Message) may be configured to be acquired through a CC pin (configuration channel pin) of the first connection terminal.

According to an embodiment of the present disclosure, the processor assigns a port number to at least one connection terminal included in the first electronic device so that the number increases by 1 in sequence from 1, and to the plurality of connection terminals The port number may be assigned such that the number increases by one sequentially from a number greater than the number of the at least one connection terminal included in the first electronic device.

According to an embodiment of the present disclosure, the plurality of connection terminals includes a second connection terminal connected to the first connection terminal and a third connection terminal connected to a third electronic device, and the processor includes: It may be configured to allocate a port number to each of the connection terminals included in the third electronic device according to receiving connection terminal information for the connection terminals included in the second electronic device from the second electronic device.

According to an embodiment of the present disclosure, the processor stores port numbers allocated to connection terminals included in the third electronic device in the memory, and ports allocated to connection terminals included in the third electronic device and transmit numbers to the third electronic device through the second electronic device.

According to an embodiment of the present disclosure, the first electronic device further includes a display device, and the processor is configured to: based on port number information stored in the memory, among the plurality of connection terminals of the second electronic device The electronic device may be configured to display a list of controllable connection terminals on the display device.

According to an embodiment of the present disclosure, when a user's selection input for the list is received, a connection terminal selection command including the selected connection terminal may be transmitted to the second electronic device.

According to an embodiment of the present disclosure, the first electronic device further includes a fourth connection terminal, and the processor requests a control mode from the fourth electronic device connected to the fourth connection terminal after the control mode is terminated. transmits an acceptance response to the fourth electronic device upon receiving can be configured.

According to an embodiment of the present disclosure, when the processor receives a connection terminal selection command for selecting the first connection terminal from the fourth electronic device, the data line between the first connection terminal and the fourth connection terminal It may be configured to connect at least one of a (data line) and a CC line (configuration channel line).

According to an embodiment of the present disclosure, the processor stores port number information of the first connection terminal and the fourth connection terminal received from the fourth electronic device in the memory, and sets the first connection terminal to a host mode. , transmits a control mode request to the second electronic device connected to the first connection terminal, and receives an acceptance response to the control mode request to the second electronic device request information on connection terminals of a , transmit information on connection terminals received from the second electronic device to the fourth electronic device, It may be configured to transmit port number information assigned to the connection terminals of the second electronic device to the second electronic device.

A method of operating a first electronic device according to an embodiment of the present disclosure may include, when a control mode is selected by a user, the first electronic device? sets the first connection terminal to a host mode, stores the port number of the first connection terminal in the memory of the first electronic device, and sends a control mode request to the second electronic device connected to the first connection terminal and when a response to the control mode request is received, the second electronic device requests information on a plurality of connection terminals included in the second electronic device, and information on the plurality of connection terminals is obtained, a port number is assigned to each of the plurality of connection terminals included in the second electronic device, the port numbers assigned to the second electronic device are stored in the memory, and the second electronic device is sent to the second electronic device. The assigned port numbers may be transmitted to the second electronic device.

According to an embodiment of the present disclosure, the first connection terminal and the plurality of connection terminals may correspond to a universal serial bus (USB) type C connection terminal.

According to an embodiment of the present disclosure, a port number is assigned such that the number increases by 1 sequentially from 1 to at least one connection terminal included in the first electronic device, and the first connection terminal to the plurality of connection terminals The port number may be allocated such that the number sequentially increases by one from a number greater than the number of the at least one connection terminal included in the electronic device.

According to an embodiment of the present disclosure, the plurality of connection terminals include a second connection terminal connected to the first connection terminal and a third connection terminal connected to a third electronic device, and the connection included in the third electronic device As connection terminal information on the terminals is received from the second electronic device, a port number may be assigned to each of the connection terminals included in the third electronic device.

According to an embodiment of the present disclosure, port numbers allocated to connection terminals included in the third electronic device are stored in the memory, and port numbers allocated to connection terminals included in the third electronic device are stored in the memory. It may be configured to transmit to the third electronic device through the second electronic device.

According to an embodiment of the present disclosure, the first electronic device further includes a display device, and based on the port number information stored in the memory, in the electronic device among the plurality of connection terminals of the second electronic device A list of controllable connection terminals may be displayed on the display device.

According to an embodiment of the present disclosure, when a user's selection input for the list is received, a connection terminal selection command including the selected connection terminal may be transmitted to the second electronic device.

According to an embodiment of the present disclosure, the first electronic device further includes a fourth connection terminal, and after the control mode ends, receiving a control mode request from the fourth electronic device connected to the fourth connection terminal. transmit an acceptance response to the fourth electronic device, start the control mode by transmitting the acceptance response, and set the first connection terminal and the fourth connection terminal to a client mode have.

According to an embodiment of the present disclosure, upon receiving a connection terminal selection command for selecting the first connection terminal from the fourth electronic device, a data line between the first connection terminal and the fourth connection terminal and a configuration channel line (CC).

According to an embodiment of the present disclosure, information about the port number of the first connection terminal and the fourth connection terminal received from the fourth electronic device is stored in the memory, and the first connection terminal is changed to a host mode; , transmits a control mode request to the second electronic device connected to the first connection terminal, and receives an acceptance response to the control mode request to the second electronic device through the plurality of connection terminals of the second electronic device requests for information about the devices, transmits information on a connection terminal received from the second electronic device to the fourth electronic device, and receives the plurality of connection terminals of the second electronic device from the fourth electronic device Port number information assigned to the users may be transmitted to the second electronic device.

Claims (20)

In the first electronic device,
a first connection terminal connectable to an external electronic device;
a memory containing a service driver that provides a control mode; and
a processor connected to the first connection terminal and the memory; includes,
The processor is
As the control mode is selected by the user, the first connection terminal is set to a host mode,
storing the port number of the first connection terminal in the memory;
transmitting a control mode request to a second electronic device connected to the first connection terminal;
Upon receiving the response to the control mode request, the second electronic device requests information on a plurality of connection terminals included in the second electronic device,
allocating a port number to each of the plurality of connection terminals included in the second electronic device as information on the plurality of connection terminals is obtained;
and store port numbers assigned to the second electronic device in the memory, and transmit port numbers assigned to the second electronic device to the second electronic device. According to claim 1,
The first connection terminal and the plurality of connection terminals correspond to a universal serial bus (USB) type C connection terminal,
The processor is configured to acquire information on the plurality of connection terminals in a Vendor Defined Message (VDM) format through a configuration channel pin (CC pin) of the first connection terminal. According to claim 1,
The processor is
allocating a port number such that the number increases by 1 in order from 1 to at least one connection terminal included in the first electronic device;
and assign a port number to the plurality of connection terminals so that the number sequentially increases by one from a number greater than the number of the at least one connection terminal included in the first electronic device. According to claim 1,
The plurality of connection terminals include a second connection terminal connected to the first connection terminal and a third connection terminal connected to a third electronic device,
The processor is configured to allocate a port number to each of the connection terminals included in the third electronic device in response to receiving connection terminal information on the connection terminals included in the third electronic device from the second electronic device , electronic devices. 5. The method of claim 4,
The processor is:
storing port numbers assigned to connection terminals included in the third electronic device in the memory;
and transmit port numbers assigned to connection terminals included in the third electronic device to the third electronic device through the second electronic device. According to claim 1,
The first electronic device further includes a display device,
The processor is configured to display a list of connection terminals controllable by the electronic device among the plurality of connection terminals of the second electronic device on the display device based on the port number information stored in the memory. 7. The method of claim 6,
and transmit a connection terminal selection command including the selected connection terminal to the second electronic device in response to a user's selection input for the list being received. According to claim 1,
The first electronic device further includes a fourth connection terminal,
The processor is:
After the control mode is terminated, when a control mode request is received from the fourth electronic device connected to the fourth connection terminal, an acceptance response is transmitted to the fourth electronic device;
initiating the control mode by sending the accept response;
and set the first connection terminal and the fourth connection terminal to a client mode. 9. The method of claim 8,
When the processor receives a connection terminal selection command for selecting the first connection terminal from the fourth electronic device, a data line and a configuration of a data line and a CC line between the first connection terminal and the fourth connection terminal channel line) configured to connect at least one of the electronic devices. 10. The method of claim 9,
The processor is:
storing port number information of the first connection terminal and the fourth connection terminal received from the fourth electronic device in the memory;
changing the first connection terminal to a host mode,
transmitting a control mode request to the second electronic device connected to the first connection terminal;
Upon receiving an acceptance response to the control mode request, the second electronic device requests information on the plurality of connection terminals of the second electronic device,
transmitting information on the connection terminal received from the second electronic device to the fourth electronic device;
and transmit port number information assigned to the plurality of connection terminals of the second electronic device received from the fourth electronic device to the second electronic device. In the operating method of the first electronic device,
When a control mode is selected by a user, the first electronic device? Set the first connection terminal to host mode,
storing the port number of the first connection terminal in a memory of the first electronic device;
transmitting a control mode request to a second electronic device connected to the first connection terminal;
Upon receiving the response to the control mode request, the second electronic device requests information on a plurality of connection terminals included in the second electronic device,
allocating a port number to each of the plurality of connection terminals included in the second electronic device as information on the plurality of connection terminals is obtained;
The method of operating an electronic device, wherein the port numbers assigned to the second electronic device are stored in the memory, and the port numbers assigned to the second electronic device are transmitted to the second electronic device. 12. The method of claim 11,
The method of operating an electronic device, wherein the first connection terminal and the plurality of connection terminals correspond to a universal serial bus (USB) type C connection terminal. 12. The method of claim 11,
allocating a port number such that the number increases by 1 in order from 1 to at least one connection terminal included in the first electronic device;
Allocating port numbers to the plurality of connection terminals such that the number sequentially increases by one from a number greater than the number of the at least one connection terminal included in the first electronic device. 12. The method of claim 11,
The plurality of connection terminals include a second connection terminal connected to the first connection terminal and a third connection terminal connected to a third electronic device,
Allocating a port number to each of the connection terminals included in the third electronic device in response to receiving connection terminal information on the connection terminals included in the third electronic device from the second electronic device Way. 15. The method of claim 14,
storing port numbers assigned to connection terminals included in the third electronic device in the memory;
and transmit port numbers assigned to connection terminals included in the third electronic device to the third electronic device through the second electronic device. 12. The method of claim 11,
The first electronic device further includes a display device,
and displaying a list of connection terminals controllable by the electronic device among the plurality of connection terminals of the second electronic device on the display device based on the port number information stored in the memory. 17. The method of claim 16,
When a user's selection input for the list is received, a connection terminal selection command including the selected connection terminal is transmitted to the second electronic device. 12. The method of claim 11,
The first electronic device further includes a fourth connection terminal,
After the control mode is terminated, when a control mode request is received from the fourth electronic device connected to the fourth connection terminal, an acceptance response is transmitted to the fourth electronic device;
initiating the control mode by sending the accept response;
The method of operating an electronic device, configured to set the first connection terminal and the fourth connection terminal to a client mode. 19. The method of claim 18,
Upon receiving a connection terminal selection command for selecting the first connection terminal from the fourth electronic device, among a data line and a configuration channel line of the first connection terminal and the fourth connection terminal A method of operating an electronic device for connecting at least one. 20. The method of claim 19,
storing port number information of the first connection terminal and the fourth connection terminal received from the fourth electronic device in the memory;
changing the first connection terminal to a host mode,
transmitting a control mode request to the second electronic device connected to the first connection terminal;
Upon receiving an acceptance response to the control mode request, the second electronic device requests information on the plurality of connection terminals of the second electronic device,
transmitting information on the connection terminal received from the second electronic device to the fourth electronic device;
and transmitting port number information allocated to the plurality of connection terminals of the second electronic device received from the fourth electronic device to the second electronic device.

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