CN111324561A - USBType C docking station - Google Patents
USBType C docking station Download PDFInfo
- Publication number
- CN111324561A CN111324561A CN202010102782.5A CN202010102782A CN111324561A CN 111324561 A CN111324561 A CN 111324561A CN 202010102782 A CN202010102782 A CN 202010102782A CN 111324561 A CN111324561 A CN 111324561A
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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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The application discloses USBType C docking station includes: the system comprises a switch module, a display control module, a source terminal Type C interface, an extension terminal USB interface and an extension terminal display interface, wherein an HPD interrupt signal can be received after the extension terminal display interface is inserted; the switch module switches the CC network to the display control module, the display control module communicates with the source end equipment through the CC network through the source end Type C interface, and the source end equipment outputs a DP signal after VDM communication is completed; the display module receives the DP signal and outputs or converts the DP signal to the display interface of the expansion end; after the source end equipment outputs the DP signal, the switch module switches the CC network to the extension end USB interface for communication between the source end Type C interface and the extension end USB interface. The function that source end Type C interface changes extension end display interface and extension end USB interface can be realized to this application, has filled market blank.
Description
Technical Field
This application belongs to docking station technical field, concretely relates to USBType C docking station.
Background
Currently, the USB Type C interface is popular, and mobile phones and other multimedia devices increasingly adopt the USB Type C interface as a channel for multimedia data stream. DP (display port) over type c is also widely used, and devices supporting USB3.0 and above support DP interfaces in most cases. At present, many docking stations for converting TypeC to display interface (DP or HDMI) or converting TypeC to multiple interfaces are available on the market, and most USB HUBs are adopted to extend USB interfaces. However, most of the current USB interfaces of docking station extension only support USB OTG function, and since the CC network of the TypeC interface is occupied by the PD controller of the display interface, and the TypeC interface is due to PD communication, the USB controller of the source end is actually in USB Host mode, so the adaptor does not support the function of the source end as USB Device. The existing labeled USB3.0 interface is mostly only the charging port of USB3.0 + the data port of USB 2.0. The data port of the USB2.0 only has the function of USB Host (OTG is the main), so that the data port is only used for reading a USB disk or connecting a mouse, and cannot be connected with devices such as a PC to perform complex control on a source-end mobile phone or multimedia device.
Disclosure of Invention
To the shortcoming or not enough of the above-mentioned prior art, the technical problem that this application will solve provides a USBType C docking station, and it can realize that source end Type C interface changes the function of expansion end display interface + expansion end USB interface, has filled the market blank.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides USBType C docking station, include: a switch module, a display control module, a source terminal Type C interface, an extension terminal USB interface and an extension terminal display interface,
wherein, after the display interface of the expansion end is inserted, an HPD interrupt signal is received;
the switch module switches a CC network to the display control module, the display control module communicates with a source end device through a CC network through a source end TypeC interface, and the source end device outputs a DP signal after VDM communication is completed;
the display module receives the DP signal and outputs or converts the DP signal to the display interface of the expansion end;
after the source end device outputs a DP signal, the switch module switches the CC network to an extension end USB interface for communication between the source end Type C interface and the extension end USB interface.
Further, in the USB Type C docking station, the receiving, by the display module, the DP signal, and outputting or converting the DP signal to the display interface of the docking end includes: if the HDMI adaptor is used, the display module is converted into an HDMI signal through the DP-HDMI chip and outputs the HDMI signal.
Further, in the USB Type C docking station, the expansion end display interface includes an HDMI interface.
Further, in the USB Type C docking station, the display module receives the DP signal, and outputs or converts the DP signal to the display interface of the docking station, and the method further includes: and if the DP adapter is used, outputting the DP signal to the display interface of the expansion end.
Further, in the USB Type C docking station, the docking end display interface includes: and a DP interface.
Further, in the USB Type C docking station, the USB interface of the docking station includes: USB Type A interface or USB Type C interface.
Compared with the prior art, the method has the following technical effects:
the method and the device switch the CC network at the source end through the switch module, control the switching of the CC network before the display control module and the USB interface which are used for displaying at the expansion end, and realize the support of the display interface and the USB interface at the expansion end. After the display interface is inserted, the adapter receives an interrupt signal of HPD (Hot plug detection) on the interface, the control switch module is switched to the display control module related to display, and after CC communication and VDM information interaction, DP over Type C is enabled to output a display signal. And then, the CC network is released to the extension end USB interface for communication between the source end Type C interface and the extension end USB interface, so that the function of converting the source end Type C interface into the extension end display interface plus the extension end USB interface is realized, and the market gap is filled.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the application USB Type C docking station's block diagram.
Detailed Description
The conception, specific structure and technical effects of the present application will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present application.
In a typical configuration of the present application, the terminal and the devices serving the network each include one or more processors (e.g., Central Processing Units (CPUs)), input/output interfaces, network interfaces, and memory.
The Memory may include volatile Memory in a computer readable medium, Random Access Memory (RAM), and/or nonvolatile Memory such as Read-Only Memory (ROM) or flash Memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, Phase Change RAM (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), flash Memory or other Memory technology, Compact Disc Read-Only Memory (CD-ROM), Digital Versatile Disc (DVD) or other optical storage, magnetic cassette tape, magnetic tape disk storage or other magnetic storage device, or any other non-transmission medium that can be used to store information that can be accessed by a computing device.
As shown in fig. 1, a USB Type C docking station includes: the device comprises a switch module 101, a display module 102, a display control module 103, a source terminal Type C interface 104, an extension terminal USB interface 105 and an extension terminal display interface 106;
wherein, after the expansion end display interface 106 is inserted, an HPD interrupt signal is received;
the switch module 101 switches a CC network to the display control module 103, the display control module 103 communicates with a source device through a CC network via a source Type C interface 104, and the source device outputs a DP signal after VDM communication is completed;
the display module 102 receives the DP signal, and outputs or converts the DP signal to the expansion end display interface 106;
after the source device outputs a DP signal, the switch module 101 switches the CC network to the extension USB interface 105, so that the source Type C interface 104 communicates with the extension USB interface 105.
The USB interface of present Type C docking station extension mostly only supports USB OTG function, because the CC network of Type C interface is occupied by the PD controller of display interface, Type C interface is because the reason of PD communication is by, so the USB controller of source end is in USB Host mode in fact, so the adaptor does not support the function that the source end is as USB Device. In this embodiment, through the above new architecture and the new identification communication process, the source Type C interface 104 can be converted into the extended side display interface 106(DP interface or HDMI interface) + USB interface (Device mode)), so that the gap in the market is filled. Meanwhile, due to the design of the embodiment, the USB HUB or the single-chip microcomputer control chip can be saved, and the cost is lower.
Further, the above-mentioned display module 102 receives the DP signal, and outputs or converts the DP signal to the display interface 106 of the expansion end, including: if the HDMI adapter is used, the display module 102 converts the signal into an HDMI signal through a DP-HDMI chip and outputs the HDMI signal. By switching the switch module 101, communication between the source Type C interface 104 and the extended side display interface 106 can be realized in this step.
The expansion end display interface 106 includes an HDMI interface, and may also be a DP interface described below.
Further, the aforementioned display module 102 receives the DP signal, and outputs or converts the DP signal to the display interface 106 of the expansion end, and further includes: if the DP adapter is used, the DP signal is output to the expansion-side display interface 106. By switching the switch module 101, communication between the source Type C interface 104 and the extended side display interface 106 can be realized in this step.
In this embodiment, the expansion-side USB interface 105 includes: USB Type A interface or USB Type C interface.
The method and the device switch the CC network at the source end through the switch module, control the switching of the CC network before the display control module and the USB interface which are used for displaying at the expansion end, and realize the support of the display interface and the USB interface at the expansion end. After the display interface is inserted, the adapter receives an interrupt signal of HPD (Hot plug detection) on the interface, the control switch module is switched to the display control module related to display, and after CC communication and VDM information interaction, DP over type C is enabled to output a display signal. And then releasing the CC network to the expansion end USB interface for communication between the source end Type C interface and the expansion end USB interface, realizing the function of converting the source end Type C interface into the expansion end display interface plus the expansion end USB interface, and filling the market gap.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (6)
1. A USBType C docking station, comprising:
a switch module, a display control module, a source terminal Type C interface, an extension terminal USB interface and an extension terminal display interface,
wherein, after the display interface of the expansion end is inserted, an HPD interrupt signal is received;
the switch module switches a CC network to the display control module, the display control module communicates with a source end device through a CC network through a source end Type C interface, and the source end device outputs a DP signal after VDM communication is completed;
the display module receives the DP signal and outputs or converts the DP signal to the display interface of the expansion end;
after the source end device outputs a DP signal, the switch module switches the CC network to an extension end USB interface for communication between the source end Type C interface and the extension end USB interface.
2. The USB Type C docking station of claim 1, wherein the display module receives the DP signal and outputs or converts the DP signal to the docking port display interface, and the docking port display module comprises: if the HDMI adaptor is used, the display module is converted into an HDMI signal through the DP-HDMI chip and outputs the HDMI signal.
3. The USB Type C docking station of claim 2, wherein the docking station display interface comprises an HDMI interface.
4. The USB Type C docking station of claim 1, 2 or 3, wherein the display module receives the DP signal and outputs or converts the DP signal to the docking port display interface, further comprising: and if the DP adapter is used, outputting the DP signal to the display interface of the expansion end.
5. The USBType C docking station of claim 4, wherein said docking station display interface comprises: and a DP interface.
6. The USB Type C docking station of claim 1, 2 or 3, wherein the USB interface on the docking end comprises: USB Type A interface or USB Type C interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102782.5A CN111324561B (en) | 2020-02-19 | 2020-02-19 | USBType C docking station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010102782.5A CN111324561B (en) | 2020-02-19 | 2020-02-19 | USBType C docking station |
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| CN111324561A true CN111324561A (en) | 2020-06-23 |
| CN111324561B CN111324561B (en) | 2021-07-16 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111836098A (en) * | 2020-07-28 | 2020-10-27 | 深圳市康冠商用科技有限公司 | Multi-interface wireless same-screen device and wireless same-screen method |
| CN112256611A (en) * | 2020-10-20 | 2021-01-22 | 北京字节跳动网络技术有限公司 | Docking station and system |
| CN112965573A (en) * | 2021-03-31 | 2021-06-15 | 重庆电子工程职业学院 | Computer interface conversion device |
| CN112969044A (en) * | 2021-02-03 | 2021-06-15 | 深圳市普洛威电子有限公司 | Bidirectional universal video switching device and control method thereof |
| WO2022151769A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳市松冠科技有限公司 | Display device without hdmi interface and method for enabling type interface to be compatible with hdmi |
| CN114996186A (en) * | 2022-04-29 | 2022-09-02 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
| CN115499691A (en) * | 2022-09-19 | 2022-12-20 | 重庆长安汽车股份有限公司 | Screen projection method and device of vehicle machine system, electronic equipment and storage medium |
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| CN111836098A (en) * | 2020-07-28 | 2020-10-27 | 深圳市康冠商用科技有限公司 | Multi-interface wireless same-screen device and wireless same-screen method |
| CN112256611A (en) * | 2020-10-20 | 2021-01-22 | 北京字节跳动网络技术有限公司 | Docking station and system |
| WO2022151769A1 (en) * | 2021-01-18 | 2022-07-21 | 深圳市松冠科技有限公司 | Display device without hdmi interface and method for enabling type interface to be compatible with hdmi |
| CN112969044A (en) * | 2021-02-03 | 2021-06-15 | 深圳市普洛威电子有限公司 | Bidirectional universal video switching device and control method thereof |
| CN112969044B (en) * | 2021-02-03 | 2024-02-23 | 深圳市普洛威电子有限公司 | Bidirectional universal video switching device and control method thereof |
| CN112965573A (en) * | 2021-03-31 | 2021-06-15 | 重庆电子工程职业学院 | Computer interface conversion device |
| CN112965573B (en) * | 2021-03-31 | 2022-05-24 | 重庆电子工程职业学院 | Computer interface conversion device |
| CN114996186A (en) * | 2022-04-29 | 2022-09-02 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
| CN114996186B (en) * | 2022-04-29 | 2024-02-06 | 深圳市倍思科技有限公司 | Docking station video output method, device, terminal and computer readable storage medium |
| CN115499691A (en) * | 2022-09-19 | 2022-12-20 | 重庆长安汽车股份有限公司 | Screen projection method and device of vehicle machine system, electronic equipment and storage medium |
| CN115499691B (en) * | 2022-09-19 | 2023-05-12 | 重庆长安汽车股份有限公司 | Screen projection method and device of vehicle-mounted system, electronic equipment and storage medium |
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