CN102915290B - Realize method, adapter and system that mobile terminal is connected with human interface device - Google Patents

Realize method, adapter and system that mobile terminal is connected with human interface device Download PDF

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Publication number
CN102915290B
CN102915290B CN201210305494.5A CN201210305494A CN102915290B CN 102915290 B CN102915290 B CN 102915290B CN 201210305494 A CN201210305494 A CN 201210305494A CN 102915290 B CN102915290 B CN 102915290B
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hid
mobile terminal
message
definition audio
video
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CN201210305494.5A
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CN102915290A (en
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李斌
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2013/079627 priority patent/WO2013178149A1/en
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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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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention discloses a kind of method, adapter and the system that realize mobile terminal and be connected with human interface device, method comprises: mobile terminal is by high-definition audio and video interface adapter and human interface device HID equipment connection; The HID data that described HID equipment inputs are added in WRITE_BURST message by high-definition audio and video interface adapter, and described WRITE_BURST message is sent to mobile terminal; The HID data of carrying in mobile terminal WRITE_BURST message according to the protocol identification preset, realize the connection of mobile terminal and HID equipment.The present invention, by adding in WRITE_BURST message by HID data, by mobile terminal identification HID data, achieves the connection of HID equipment and mobile terminal, and data input, achieves the expansion to mobile terminal, facilitates the use of mobile terminal.

Description

Realize method, adapter and system that mobile terminal is connected with human interface device
Technical field
The present invention relates to mobile communication technology field, particularly relate to one and realize method, adapter and the system that mobile terminal and human interface device (HID, HumanInterfaceDevice, hereinafter referred to as HID equipment) connect.
Background technology
Mobile terminal high-definition audio and video standard interface (MHL, MobileHigh-DefinitionLink), it is a kind of audio-visual standard interface connecting portable consumer electronic device, MHL only uses a bars cable, MicroUSB(UniversalSerialBUS is passed through in one end, USB (universal serial bus)) interface connection mobile terminal, the other end is by standard definition multimedia interface (HDMI, HighDefinitionMultimediaInterface) connect HDTV, the signal of mobile terminal is presented on HDTV.It has used existing MicroUSB interface, no matter be mobile phone, digital camera, digital camera and portable media player, all complete media content directly can be transferred on TV, and do not damage film high resolving power.
As shown in Figure 1, a kind of high-definition audio and video standard interface mode of existing mobile terminal employing.Comprise: mobile terminal device 1, high-definition audio and video interface adapter 2 and high-definition audio and video display device 3.
Wherein, mobile terminal device 1 is the mobile terminal device possessing multimedia processing capability, as mobile phone, and panel computer, multimedia handsets etc., generally comprise:
The control section of terminal interface display, is called for short UI(UserInterface, user interface), belong to input, export the software section controlled;
Multi-media processing unit, for decoding multimedia video-audio data, comprise as video H.264, MPEG2, MPEG4, VC-1 etc., audio decoder AC3, AAC, MP3 etc.
High-definition audio and video interface, for the user instruction obtained according to UI, by the decoding of multi-media processing unit, exports high-definition audio and video data to high-definition audio and video interface adapter 2.
High-definition audio and video interface adapter 2, can receive for high-definition audio and video data (MHL) being converted to high definition display device and carrying out the high-definition multimedia data (HDMI) that show after decoding.
Wherein, high definition display device 3, for receiving high-definition multi-medium data, and shows after decoding.
Concrete steps are as follows:
Step 1, the UI unit of mobile terminal receives user instruction, starts the broadcasting work of certain high-definition multimedia data source;
Step 2, high-definition multimedia data source, by decoding and coded treatment, is converted to high-definition audio and video interface data by multi-media processing unit, and outputs to high-definition audio and video interface adapter 2 by high-definition audio and video interface (MHL);
Step 3, high-definition audio and video interface (MHL) data received are converted to high-definition multimedia (HDMI) data by high-definition audio and video interface adapter 2, and are exported by HDMI;
Step 4, high definition display device receiving high-definition multimedia (HDMI) data, and high definition display after decoding.
From the above, current mobile terminal high-definition audio and video interfacing equipment (adapter) only can support the output from mobile terminal to standard high definition device, do not support expansion human interface device (HID), namely do not support that the identification of HID equipment and information input, as mouse, keyboard or game paddle etc.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method, adapter and the system that realize mobile terminal and be connected with human interface device, does not support to expand the problem of human interface device in order to solve mobile terminal high-definition audio and video interfacing equipment in prior art.
For solving the problems of the technologies described above, on the one hand, the invention provides a kind of method realizing mobile terminal and be connected with human interface device, comprising:
Mobile terminal is by high-definition audio and video interface adapter and human interface device HID equipment connection;
The HID data that described HID equipment inputs are added in WRITE_BURST message by high-definition audio and video interface adapter, and described WRITE_BURST message is sent to mobile terminal;
The HID data of carrying in mobile terminal WRITE_BURST message according to the protocol identification preset, realize the connection of mobile terminal and HID equipment.
Further, before high-definition audio and video interface adapter adds described HID data to WRITE_BURST message, also comprise:
Described HID data are encoded.
Further, after high-definition audio and video interface adapter adds described HID data to WRITE_BURST message, also comprise:
Described high-definition audio and video interface adapter sends REQ_WRT message to mobile terminal device;
After described mobile terminal device receives described REQ_WRT message, send GRT_WRT message to described high-definition audio and video interface adapter;
After described high-definition audio and video interface adapter receives described GRT_WRT message, described WRTE_BURST message is sent to mobile terminal.
On the other hand, the present invention also provides a kind of high-definition audio and video interface adapter, comprising:
Human interface device HID microprocessor, for receiving HID data, and to sending to mobile terminal high-definition audio and video standard interface MHL to control microprocessor after described HID data encoding;
MHL controls microprocessor, for adding in WRITE_BURST message by HID data, by MHL bridge interface chip, described WRITE_BURST message is sent to mobile terminal.
Further, described HID microprocessor is by HID data described in general-purpose serial bus USB interface.
Further, described high-definition audio and video interface adapter also comprises:
Usb hub, is connected with described HID microprocessor, for the HID data of multiple HID equipment input are sent to described HID microprocessor.
Again on the one hand, the present invention also provides a kind of system being connected with HID equipment, comprising: mobile terminal is by high-definition audio and video interface adapter and HID equipment connection; Wherein, high-definition audio and video interface adapter comprises further:
Human interface device HID microprocessor, for receiving the HID data of HID equipment input, and to sending to mobile terminal high-definition audio and video standard interface MHL to control microprocessor after described HID data encoding;
MHL controls microprocessor, for adding in WRITE_BURST message by HID data, by MHL bridge interface chip, described WRITE_BURST message is sent to mobile terminal;
Described mobile terminal comprises further:
MHL interface chip, for receiving the data that described high-definition audio and video interface adapter sends;
Application processor, for identifying the HID data of carrying in described WRITE_BURST message, and shows described HID data and processes.
Further, described system also comprises:
HDMI (High Definition Multimedia Interface) HDMI display device, is connected by HDMI with described high-definition audio and video interface adapter, for showing the display interface of described mobile terminal.
Further, described HID microprocessor is by HID data described in general-purpose serial bus USB interface.
Further, described high-definition audio and video interface adapter also comprises:
Usb hub, is connected with described HID microprocessor, for the HID data of multiple HID equipment input are sent to described HID microprocessor.
Beneficial effect of the present invention is as follows:
The present invention, by adding in WRITE_BURST message by HID data, by mobile terminal identification HID data, achieves the connection of HID equipment and mobile terminal, and data input, achieves the expansion to mobile terminal, facilitates the use of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the structural representation that in prior art, mobile terminal is connected with high definition display device;
Fig. 2 is a kind of process flow diagram realizing the method that mobile terminal is connected with human interface device in the embodiment of the present invention;
Fig. 3 is a kind of structural representation being connected with the system of HID equipment in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, do not limit the present invention.
As shown in Figure 2, the embodiment of the present invention relates to a kind of method realizing mobile terminal and be connected with human interface device, comprising:
Step S201, mobile terminal is by high-definition audio and video interface adapter and human interface device HID equipment connection;
In this step, mobile terminal increases HID equipment by high-definition audio and video interface adapter;
Step S202, the HID data that described HID equipment inputs are added in WRITE_BURST message by high-definition audio and video interface adapter, and described WRITE_BURST message is sent to mobile terminal;
In this step, still can carry out communication with high-definition audio and video multimedia interface protocol mode between high-definition audio and video interface adapter and mobile terminal, in high-definition audio and video multimedia interface agreement, expand HID message, realize the transmission of HID data.Wherein, expanding HID message, be specially in high-definition audio and video multimedia interface agreement, whether be HID event, a certain position is used for arranging HID zone bit if being used for position a certain in WRITE_BURST message arranging, and a few position is used for transmitting HID data.Mobile terminal receives WRITE_BURST message, by resolving to judge whether it is HID data.
Wherein, before high-definition audio and video interface adapter adds described HID data to WRITE_BURST message, also comprise:
Described HID data are encoded.
And, after high-definition audio and video interface adapter adds described HID data to WRITE_BURST message, also comprise:
Described high-definition audio and video interface adapter sends REQ_WRT(write request to mobile terminal device) message;
After described mobile terminal device receives described REQ_WRT message, send GRT_WRT(write acknowledgement to described high-definition audio and video interface adapter) message;
Described WRITE_BURST(is write data after receiving described GRT_WRT message by described high-definition audio and video interface adapter) message sends to mobile terminal.
Step S203, the HID data of carrying in mobile terminal WRITE_BURST message according to the protocol identification preset, realize the connection of mobile terminal and HID equipment.
In this step, mobile terminal, by the HID message of high-definition audio and video multimedia extension, identifies the insertion of HID equipment, by the HID equipment standard agreement of high-definition audio and video multimedia extension, completes the information input receiving HID equipment, achieves the expansion of human interface device.
As shown in Figure 3, the embodiment of the present invention also relates to a kind of system being connected with HID equipment, comprising: mobile terminal is by high-definition audio and video interface adapter and HID equipment connection; Wherein, high-definition audio and video interface adapter comprises further:
Human interface device HID microprocessor, for receiving the HID data of HID equipment input, and to sending to mobile terminal high-definition audio and video standard interface MHL to control microprocessor after described HID data encoding;
MHL controls microprocessor, for adding in WRITE_BURST message by HID data, by MHL bridge interface chip, described WRITE_BURST message is sent to mobile terminal;
Described mobile terminal comprises further:
MHL interface chip, for receiving the data that described high-definition audio and video interface adapter sends;
Application processor, for identifying the HID data of carrying in described WRITE_BURST message, and shows described HID data and processes.
Wherein, this system also comprises:
HDMI (High Definition Multimedia Interface) HDMI display device, is connected by HDMI with described high-definition audio and video interface adapter, for showing the display interface of described mobile terminal.
Wherein, described HID microprocessor is by HID data described in general-purpose serial bus USB interface.
Described high-definition audio and video interface adapter also comprises:
Usb hub, is connected with described HID microprocessor, for the HID data of multiple HID equipment input are sent to described HID microprocessor.
In said system, mobile terminal connects HID equipment by high-definition audio and video interface adapter, reception HID data step is as follows:
The HID key-press event of step 301.HID equipment passes to USBHOST(HID microprocessor by USB interface).
After step 302.USBHOST microprocessor receives HID event message, HID data are carried out coding and send to MHL to control microprocessor; Whether coding comprises is HID event, arrange the information such as HID zone bit and HID data.
Step 303.MHL controls microprocessor and to receive after the coding that USBHOST microprocessor sends after HID message, sends paid-in confirmation to USBHOST.
Step 304. high-definition audio and video interface adapter sends REQ_WRT(write request to mobile terminal device) message; After mobile terminal device receives described REQ_WRT message, send GRT_WRT(write acknowledgement to high-definition audio and video interface adapter) message; After high-definition audio and video interface adapter receives described GRT_WRT message, MHL controls microprocessor to expand with MHL protocol-compliant the WRITE_BURST message adding HID information field to send to mobile terminal MHL interface chip by MHL bridge interface chip; Extended method identifies ADOPTER_ID field in WRITE_BURST message; Wherein, if high-definition audio and video interface adapter does not receive the GRT_WRT information of mobile terminal, then send the SET_INT message with REQ_WRT message, require that mobile terminal reads control information; If the GRT_WRT information time-out of wait-receiving mode mobile terminal device, then continue to send the SET_INT message with REQ_WRT message, require that mobile terminal reads control information.
The application processor of step 305. mobile terminal receives by MHL interface chip the message that MHL controls microprocessor transmission, if receiving is REQ_WRT message, the SET_INT message then sent with GRT_WRT information controls microprocessor to MHL, informs that MHL controls microprocessor and can continue to send data-message; If what receive is WRITE_BURST message, then start decoding.
If find it is HID event during the application processor decoding of step 306. mobile terminal, then decode according to HID code field, comprising identification is Keyboard Message, or mouse information or joystick message and other HID events etc.
The application processor of step 307. mobile terminal sends HID data to application layer.
As can be seen from the above-described embodiment, the present invention by HID data are added in WRITE_BURST message, by mobile terminal identification HID data, achieve the connection of HID equipment and mobile terminal, and data input, achieve the expansion to mobile terminal, facilitate the use of mobile terminal.
Although be example object, disclose the preferred embodiments of the present invention, it is also possible for those skilled in the art will recognize various improvement, increase and replacement, and therefore, scope of the present invention should be not limited to above-described embodiment.

Claims (9)

1. realize the method that mobile terminal is connected with human interface device, it is characterized in that, comprising:
Mobile terminal is by high-definition audio and video interface adapter and human interface device HID equipment connection, carry out communication with high-definition audio and video multimedia interface protocol mode between described high-definition audio and video interface adapter and mobile terminal, and expand HID message in high-definition audio and video multimedia interface agreement;
The HID data that described HID equipment inputs are added in WRITE_BURST message by high-definition audio and video interface adapter;
Described high-definition audio and video interface adapter sends REQ_WRT message to mobile terminal device;
After described mobile terminal device receives described REQ_WRT message, send GRT_WRT message to described high-definition audio and video interface adapter;
After described high-definition audio and video interface adapter receives described GRT_WRT message, described WRITE_BURST message is sent to mobile terminal;
The HID data of carrying in mobile terminal WRITE_BURST message according to the protocol identification preset, realize the connection of mobile terminal and HID equipment;
Wherein, expanding HID message, be specially in high-definition audio and video multimedia interface agreement, whether be HID event, a certain position is used for arranging HID zone bit if being used for position a certain in WRITE_BURST message arranging, and a few position is used for transmitting HID data.
2. realize the method that mobile terminal is connected with human interface device as claimed in claim 1, it is characterized in that, before high-definition audio and video interface adapter adds described HID data to WRITE_BURST message, also comprise:
Described HID data are encoded.
3. a high-definition audio and video interface adapter, is characterized in that, comprising:
Human interface device HID microprocessor, for receiving HID data, and to sending to mobile terminal high-definition audio and video standard interface MHL to control microprocessor after described HID data encoding;
MHL controls microprocessor, for carrying out communication with high-definition audio and video multimedia interface protocol mode between mobile terminal, and HID message is expanded in high-definition audio and video multimedia interface agreement, HID data are added in WRITE_BURST message, send REQ_WRT message to mobile terminal device; And receive after described mobile terminal device receives described REQ_WRT message, the GRT_WRT message of transmission, then by MHL bridge interface chip, described WRITE_BURST message is sent to mobile terminal;
Wherein, expanding HID message, be specially in high-definition audio and video multimedia interface agreement, whether be HID event, a certain position is used for arranging HID zone bit if being used for position a certain in WRITE_BURST message arranging, and a few position is used for transmitting HID data.
4. high-definition audio and video interface adapter as claimed in claim 3, is characterized in that, described HID microprocessor is by HID data described in general-purpose serial bus USB interface.
5. high-definition audio and video interface adapter as claimed in claim 4, it is characterized in that, described high-definition audio and video interface adapter also comprises:
Usb hub, is connected with described HID microprocessor, for the HID data of multiple HID equipment input are sent to described HID microprocessor.
6. be connected with a system for HID equipment, it is characterized in that, comprising: mobile terminal is by high-definition audio and video interface adapter and HID equipment connection; Wherein, high-definition audio and video interface adapter comprises further:
Human interface device HID microprocessor, for receiving the HID data of HID equipment input, and to sending to mobile terminal high-definition audio and video standard interface MHL to control microprocessor after described HID data encoding;
MHL controls microprocessor, for carrying out communication with high-definition audio and video multimedia interface protocol mode between mobile terminal, and HID message is expanded in high-definition audio and video multimedia interface agreement, HID data are added in WRITE_BURST message, send REQ_WRT message to mobile terminal device; And receive after described mobile terminal device receives described REQ_WRT message, the GRT_WRT message of transmission, then by MHL bridge interface chip, described WRITE_BURST message is sent to mobile terminal;
Wherein, expanding HID message, be specially in high-definition audio and video multimedia interface agreement, whether be HID event, a certain position is used for arranging HID zone bit if being used for position a certain in WRITE_BURST message arranging, and a few position is used for transmitting HID data;
Described mobile terminal comprises further:
MHL interface chip, for receiving the data that described high-definition audio and video interface adapter sends;
Application processor, for identifying the HID data of carrying in described WRITE_BURST message, and shows described HID data and processes.
7. be connected with the system of HID equipment as claimed in claim 6, it is characterized in that, described system also comprises:
HDMI (High Definition Multimedia Interface) HDMI display device, is connected by HDMI with described high-definition audio and video interface adapter, for showing the display interface of described mobile terminal.
8. the system being connected with HID equipment as claimed in claims 6 or 7, is characterized in that, described HID microprocessor is by HID data described in general-purpose serial bus USB interface.
9. be connected with the system of HID equipment as claimed in claim 8, it is characterized in that, described high-definition audio and video interface adapter also comprises:
Usb hub, is connected with described HID microprocessor, for the HID data of multiple HID equipment input are sent to described HID microprocessor.
CN201210305494.5A 2012-08-24 2012-08-24 Realize method, adapter and system that mobile terminal is connected with human interface device Expired - Fee Related CN102915290B (en)

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PCT/CN2013/079627 WO2013178149A1 (en) 2012-08-24 2013-07-18 Method, adapter, and system for implementing connection between mobile terminal and human interface device

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TWI529537B (en) * 2013-06-04 2016-04-11 晨星半導體股份有限公司 Display with mobile high-definition link port and signal processing method thereof
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CN106597663B (en) * 2016-11-24 2019-02-12 北京小鸟看看科技有限公司 Wear display equipment and its corollary equipment and the method for making it be compatible with different external equipments
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