CN109473081A - A kind of interface circuit, display methods and display equipment - Google Patents
A kind of interface circuit, display methods and display equipment Download PDFInfo
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- CN109473081A CN109473081A CN201811209710.XA CN201811209710A CN109473081A CN 109473081 A CN109473081 A CN 109473081A CN 201811209710 A CN201811209710 A CN 201811209710A CN 109473081 A CN109473081 A CN 109473081A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
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Abstract
The embodiment of the present application provides a kind of interface circuit, display equipment, display methods and storage medium, wherein, display equipment includes: display screen, control circuit, bridgt circuit, at least two audio-video interfaces and the switching circuit connecting at least two audio-video interfaces；Switching circuit is connect with bridgt circuit, and when for occurring being in the target interface of connection status at least two audio-video interfaces, bridgt circuit is connected to target interface；Control circuit is connect with bridgt circuit, and the vision signal from target interface is converted to the signal format that display screen is supported from the signal format that target interface is supported for controlling bridgt circuit；Display screen is used to show the vision signal from target interface after the conversion of bridgt circuit format.In the embodiment of the present application, the compatible various types of video source devices of equipment are shown, be greatly improved flexibility when display equipment uses.
Description
Technical field
This application involves electronic technology field more particularly to a kind of interface circuits, display methods and display equipment.
Background technique
Currently, most of virtual reality device requires external video input apparatus, for example, PC machine etc..
Wireline interface is generallyd use between virtual reality device and video source device carries out video access.Due to different views
The type for the wireline interface that frequency source equipment provides is possibly different from, and virtual reality device can not be compatible with different types of video source
Equipment.This greatly reduces the flexibility of virtual reality device when in use.
Summary of the invention
The many aspects of the application provide a kind of interface circuit, display methods and display equipment, are existed with improving display equipment
Flexibility when use.
The embodiment of the present application provides a kind of interface circuit, comprising: control circuit, bridgt circuit, at least two audio-videos connect
Mouth and the switching circuit being connect at least two audio-video interface；
The switching circuit is connect with the bridgt circuit, for being at least two audio-video interface
When the target interface of connection status, the bridgt circuit is connected to the target interface；
The control circuit is connect with the bridgt circuit, will come from the target interface for controlling the bridgt circuit
Vision signal specified signal format is converted to from the signal format that the target interface is supported.
The embodiment of the present application also provides a kind of display equipment, comprising: display screen, control circuit, bridgt circuit, at least two
Audio-video interface and the switching circuit being connect at least two audio-video interface；The switching circuit and bridge joint electricity
Road connection, when for occurring being in the target interface of connection status at least two audio-video interface, by the bridge joint
Circuit is connected to the target interface；The control circuit is connect with the bridgt circuit, will for controlling the bridgt circuit
Vision signal from the target interface is converted to what the display screen was supported from the signal format that the target interface is supported
Signal format；
The display screen is used to show the video letter from the target interface after bridgt circuit format conversion
Number.
The embodiment of the present application also provides a kind of display methods, is suitable for display equipment, and the display equipment includes at least two
A audio-video interface, the switching circuit being connect at least two audio-video interface and the bridge being connect with the switching circuit
Connect circuit；The described method includes:
When there is the target interface in connection status at least two audio-video interface in the switching circuit, institute
It states switching circuit and is connected to bridgt circuit with the target interface, to be received by the target interface from video source device
Vision signal；And
Control the signal that the bridgt circuit supports the vision signal from the target interface from the target interface
The signal format and output to the display screen that the display screen that format is converted to the display equipment is supported are shown.
The embodiment of the present application also provides a kind of computer readable storage medium for storing computer instruction, which is characterized in that
When the computer instruction is executed by one or more processors, one or more of processors are caused to execute above-mentioned aobvious
Show method.
In the embodiment of the present application, at least two audio-video interfaces are set on the display device, and switching circuit can will at least
Target interface in two audio-video interfaces in connection status is connected to bridgt circuit, so that vision signal successively passes through target
Access between interface and target interface and bridgt circuit and be successfully transferred to bridgt circuit；Moreover, control circuit is controllable
The signal format that target interface is supported is converted to specified signal format by bridgt circuit so that vision signal be successfully transmitted to it is aobvious
Show in the display screen of equipment and is shown.Therefore, in the embodiment of the present application, can flexibly be switched by switching circuit and bridgt circuit
The audio-video interface of connection, and bridgt circuit is flexibly controlled by control circuit, signal format is carried out to the vision signal of access
Conversion, to obtain the vision signal of specified signal format.This to show the compatible various types of video source devices of equipment,
It is greatly improved flexibility when display equipment uses.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 a is a kind of structural schematic diagram for display equipment that one embodiment of the application provides；
Fig. 1 b is the structural schematic diagram for another display equipment that one embodiment of the application provides；
Fig. 2 is a kind of structural schematic diagram for interface circuit that another embodiment of the application provides；
Fig. 3 is a kind of flow diagram for display methods that the another embodiment of the application provides.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
In the prior art, wireline interface progress video is generallyd use between virtual reality device and video input apparatus to connect
Enter.Since the type of the wireline interface of different video source device offers is possibly different from, virtual reality device can not be compatible with
Different types of video source device.This greatly reduces the flexibility of virtual reality device when in use.It is existing in order to solve
These problems present in technology, in some embodiments of the present application: at least two audio-videos being set on the display device and are connect
Mouthful, the target interface that connection status is at least two audio-video interfaces can be connected to by switching circuit with bridgt circuit, so that
Vision signal is successively successfully transferred to bridgt circuit by the access between target interface and target interface and bridgt circuit；
Moreover, control circuit can control bridgt circuit that the signal format that target interface is supported is converted to specified signal format, so that
Vision signal is successfully transmitted in display screen and is shown.Therefore, in the embodiment of the present application, can flexibly be switched by switching circuit
The audio-video interface being connected to bridgt circuit, and bridgt circuit is flexibly controlled by control circuit, the vision signal of access is carried out
The conversion of signal format, to obtain the vision signal of specified signal format.This to show that equipment is compatible various types of
Video source device is greatly improved flexibility when display equipment uses.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
Fig. 1 a is the structural schematic diagram for the display equipment that one embodiment of the application provides.As shown in Figure 1, display equipment 00 is wrapped
It includes: display screen 50, control circuit 10, bridgt circuit 20, at least two audio-video interfaces 30 and being connect at least two audio-videos
The switching circuits 40 of 30 connection of mouth；
Switching circuit 40 is connect with bridgt circuit 20, for occurring at least two audio-video interfaces 30 in connection shape
When the target interface of state, bridgt circuit 20 is connected to target interface；Control circuit 10 is connect with bridgt circuit 20, for controlling
Vision signal from target interface is converted to display screen 50 from the signal format that target interface is supported and supported by bridgt circuit 20
Signal format；
Display screen is used to show the vision signal from target interface after the conversion of 20 format of bridgt circuit.
In the present embodiment, display equipment 00 can be the various equipment with video source access demand, for example, virtual reality
If augmented reality equipment.In physics realization, display equipment 00 can be virtual implementing helmet, the augmented reality helmet, void
Quasi- Reality glasses, augmented reality glasses etc., the present embodiment is not construed as limiting this.
When showing that equipment 00 carries out video access by wired mode, display equipment need to be established by connecting lines such as cables
Connection between 00 audio-video interface 30 and the audio-video interface of video source device 60.In the present embodiment, display equipment 00
The quantity at least two of audio-video interface 30, the signal format that each audio-video interface 30 is supported can be different, for example,
Audio-video interface 30 can be high-definition multimedia interface (High Definition Multimedia Interface,
HDMI), high-definition digital display interface (DisplayPort, DP) or support the interfaces of other signal formats, the present embodiment to this not
It limits.In this way, the audio-video interface 30 that display equipment 00 externally provides can support multi-signal format.
Accordingly, in connection display equipment 00 and video source device 60, video source device 60 can be inserted into one end of cable
On audio-video interface 30, and the signal format supported according to the audio-video interface 30 on video source device 60, by cable
Corresponding audio-video interface 30 in other end insertion display equipment 00, to establish the audio-video interface 30 and video of display equipment 00
Access between the audio-video interface of source device 60.For example, when the audio-video interface of video source device 60 is HDMI interface, it can
The both ends of cable are separately connected the HDMI interface of video source device 60 and show the HDMI interface of equipment 00.Wherein, video
Source device 60 can be PC machine, television set or other equipment for being capable of providing video source, the present embodiment and be not construed as limiting to this.Extremely
This, the vision signal that video source device 60 is sent can successfully arrive at the signal supported in display equipment 00 with video source device 60
The audio-video interface 30 of format adaptation.
At least two audio-video interfaces 30 in display equipment 00 are connect with switching circuit 40, in some practical applications,
At least two audio-video interfaces 30 can be arranged in same chip with switching circuit 40, and certainly, the present embodiment is not construed as limiting this.
The connection status of audio-video interface 30 includes in connection status and being in notconnect state.Wherein, when the both ends of cable are correct
In insertion display equipment 00 and video source device 60 when compatible audio-video interface 30, it may be determined that the sound in display equipment 00
Video interface 30 is in connection status；It is adapted when the both ends of cable are not properly inserted into display equipment 00 and video source device 60
Audio-video interface 30, or display equipment 00 on audio-video interface 30 in without cable insertion when, it may be determined that display equipment 00
On the audio-video interface 30 be in notconnect state, certainly, other judgment rules also can be used determine display equipment 00 on
Audio-video interface 30 connection status, the present embodiment is not construed as limiting this.
Wherein, various types of switch chips can be used to realize its function, for example, model can be used in switching circuit 40
The chip of other models can be used also to realize its function, the present embodiment pair certainly for the switch chip of CBTL06DP213
This is not construed as limiting.
For convenience of description, in the present embodiment, it will show that the audio-video interface 30 in equipment 00 in connection status is used as mesh
Tag splice mouth.Bridgt circuit 20 can be connected to by switching circuit 40 with target interface, to establish between target interface and bridgt circuit 20
Access.For being in the audio-video interface 30 of not-connected status in display equipment 00, switching circuit 40 can interrupt these sounds view
Connection between frequency interface 30 and bridgt circuit 20, can also be used other processing modes certainly, and the present embodiment is not construed as limiting this.
Accordingly, when video source device 60 sends vision signal to display equipment 00, vision signal can successively pass through video source device 60
On audio-video interface 30 and display equipment 00 on target interface between access and target interface and bridgt circuit 20 it
Between access, so far, video source device 60 issue vision signal can successfully arrive at bridgt circuit 20.
In the present embodiment, the signal format of various vision signals can be converted to specified signal format by bridgt circuit 20,
For example, the signal format that HDMI interface or DP interface are supported can be converted to the signal format of MIPI interface support.Wherein, it bridges
Different signal format can be converted to specified signal format by running different driving functions to realize by circuit 20, when
So, different signal format can also be converted to specified signal format, the present embodiment to realize by switching its circuit structure
This is not construed as limiting.
Wherein, control circuit 10 can control the signal conversion regime of bridgt circuit 20.The controllable bridge joint electricity of control circuit 10
Vision signal from target interface is converted to specified signal format from the signal format that target interface is supported by road 20.Extremely
This, the vision signal that video source device 60 issues can successfully pass bridgt circuit 20, and be transmitted to specified signal format aobvious
Display screen 50.In the present embodiment, specified signal format can be the signal format that display screen 50 is supported.
Accordingly, the vision signal that video source device 60 issues can successively pass through the audio-video interface 30 on video source device 60
Access, target interface between the target interface in display equipment 00 and access and bridgt circuit between bridgt circuit 20
20, and the signal format finally supported with display screen 50 reaches display screen 50.After signal transmits, video source device 60 is sent out
Vision signal out can be successfully shown in display screen 50, for user's viewing.
In the present embodiment, at least two audio-video interfaces 30 are set in display equipment 00, switching circuit 40 can will at least
Target interface in two audio-video interfaces 30 in connection status is connected to bridgt circuit 20, so that vision signal successively passes through
Access between target interface and target interface and bridgt circuit 20 and be successfully transferred to bridgt circuit 20；Moreover, control electricity
Road 10 can control bridgt circuit 20 that the signal format that target interface is supported is converted to specified signal format.Therefore, the application
In embodiment, it can flexibly switch the audio-video interface 30 being connected to bridgt circuit 20 by switching circuit 40, and pass through control electricity
The vision signals that road 10 flexibly controls 20 pairs of bridgt circuit accesses carry out the conversion of signal format, to obtain specified signal format
Vision signal.This to show the compatible various types of video source devices 60 of equipment 00, is greatly improved display equipment 00
Flexibility when use.
It, can be according at least two audio-video interfaces 30 for switching circuit 40 in above-mentioned or following embodiments
Connection status, the target interface that determination need to be connected to bridgt circuit 20.Wherein, switching circuit 40 can be used a variety of implementations and obtain
Take the connection status of at least two audio-video interfaces 30.
In one implementation, control circuit 10 is connect with switching circuit 40；Control circuit 10 is specifically used for detection extremely
The connection status of few two audio-video interfaces 30, and occur being in the target of connection status at least two audio-video interfaces 30
When interface, generates access switching command and be sent to switching circuit 40, to control switching circuit 40 for bridgt circuit 20 and target
Orifice.
In this implementation, the connection status of at least two audio-video interfaces 30 is detected by control circuit 10.In cable
After being correctly inserted into the audio-video interface 30 in display equipment 00, video source device 60 will issue a connection electric signal by cable,
The connection electric signal will generate specified level on the audio-video interface 30 for the display equipment 00 that cable is inserted into.Control circuit 10
It can be by determining the audio-video interface 30 whether in connection status with the presence or absence of specified level on detection audio-video interface 30.
For example, when video source device 60 is PC machine, it, will be when cable is correctly inserted into PC machine and shows the HDMI interface in equipment 00
The level of a 5V is generated in HDMI interface in display equipment 00, control circuit 10 can occur 5V's on detecting HDMI interface
When level, determine that HDMI interface is in connection status.Wherein, in application scenes, due to the electricity of different control circuits 10
Flat recognition capability is different, and some control circuits 10 possibly can not be produced directly according on the audio-video interface in display equipment 00
Raw specified level and determine that the access state of audio-video interface in this case can be in audio-video interface 30 and control circuit
Increase level shifting circuit between 10, the specified circuit generated on audio-video interface 30 can be converted to control by level shifting circuit
The level that circuit 10 is supported.The 5V level conversion generated in HDMI interface can be 3.3V, control by example in undertaking, level shifting circuit
Circuit 10 processed can determine that HDMI interface is in connection status when detecting the corresponding switching levels of HDMI interface is 3.3V.When
So, the corresponding switching levels of HDMI interface can also be 1.8V or the level that other control circuits 10 can be supported, the present embodiment
This is not construed as limiting.
Control circuit 10 can be according to the target interface determined, to 40 transmission path switching command of switching circuit.Some
In practical application, control circuit 10 can generate access switching command by way of issuing electric signal on its multiple port I/O,
For example, when two ports I/O of control circuit 10 are for when generating access switching command, control circuit 10 can to detect display
When the HDMI interface of equipment 00 is in connection status, 3.3V level is generated on No. 1 port I/O, and generates 0V on No. 2 ports
Level, two I/O mouthfuls I/O mouthfuls of two be separately connected in switching circuit 40, in this way, switching circuit 40 can be according to two thereon
The I/O mouthfuls of level detected determine that the HDMI interface of display equipment 00 is in connection status.In another example control circuit 10 can
When detecting that the DP interface of display equipment 00 is in connection status, 0V level is generated on No. 1 port I/O, and No. 2 ports
Upper generation 3.3V level, two I/O mouthfuls I/O mouthfuls of two be separately connected in switching circuit 40, in this way, switching circuit 40 can basis
Two I/O mouthfuls of level detected thereon determine that the DP interface of display equipment 00 is in connection status.Certainly, access is cut
Changing instruction can also be other forms, and the present embodiment is not construed as limiting this.In addition, in order to guarantee control in electric signal interactive process
Circuit 10 processed and switching circuit 40 are mutually adapted, and may also set up level shifting circuit between control circuit 10 and switching circuit 40,
The electric signal that switching circuit 40 is supported is converted to the electric signal for generating control circuit 10.
Switching circuit 40 can determine target interface according to access switching command, so as to connect bridgt circuit 20 with target
Mouth connection.
In another implementation, switching circuit 40 can be used for detecting the connection shape of at least two audio-video interfaces 30
State, and at least two audio-video interfaces 30 occur be in connection status target interface when, by bridgt circuit 20 and target
Orifice.
In this implementation, the connection status of at least two audio-video interfaces 30, switching electricity can be detected by switching circuit 40
Road 40 can detect respectively the level on each audio-video interface 30 by multiple GPIO ports, refer to when generating on audio-video interface 30
When determining level, interruption will be generated on the corresponding GPIO port of switching circuit 40, switching circuit 40 may determine therefrom that in connection shape
The target interface of state.Certainly, switching circuit 40 also can be used other way and detect level on each audio-video interface 30, this reality
It applies example and this is not construed as limiting.
Switching circuit 40 can determine target interface according to the level on each audio-video interface 30 detected, so as to
Bridgt circuit 20 is connected to target interface.
It is worth noting that switching circuit 40 also can be used other way and obtain at least two audio-videos in the present embodiment
The connection status of interface 30, and it is not limited to above two implementation, the present embodiment is not construed as limiting this.
In above-mentioned or following embodiments, control circuit 10 is specifically used for the connection of at least two audio-video interfaces 30 of detection
State, and occur determining that target interface is supported when being in the target interface of connection status at least two audio-video interfaces 30
Signal format, based on target interface support signal format generate control information simultaneously be sent to bridgt circuit 20, with control bridge
It connects circuit 20 and the vision signal from target interface is converted into specified signal format from the signal format that target interface is supported.
In the present embodiment, control circuit 10 can be by determining this with the presence or absence of specified level on detection audio-video interface 30
Whether audio-video interface 30 is in connection status.Specific description can refer to previous embodiment, and details are not described herein.
Control circuit 10 after determining target interface, can according to the corresponding relationship of audio-video interface 30 and signal format,
Determine the signal format that target interface is supported.For example, when target interface is HDMI interface, it may be determined that the letter that target interface is supported
Number format is HDMI format, when target interface is DP interface, it may be determined that the signal format that target interface is supported is DP format.Its
In, the corresponding relationship of audio-video interface 30 and signal format can carry out preset in 10 initialization procedure of control circuit.
After the signal format for determining target interface support, control circuit 10 can be according to the signal supported with target interface
The information such as the compatible driver of format generate control information, and are sent to bridgt circuit 20, thus, bridgt circuit 20 can be transported
The driver carried in row control information, the signal format that the vision signal from target interface is supported from target interface
Be converted to specified signal format.Certainly, when the multiple drivers for being stored in bridging chip with being adapted to unlike signal format
When, the information such as signal format that control circuit 10 can also be supported according to target interface generate control information, and are sent to bridge joint electricity
Road 20, bridgt circuit 20 can according to the control information in the signal format that carries, start compatible with signal format driver.
The present embodiment is not construed as limiting this.
In the present embodiment, control circuit 10 can be according to the access state of at least two audio-video interfaces 30, flexible switching bridge
Connect the conversion regime of signal format performed by circuit 20, thus can guarantee bridgt circuit 20 signal format conversion process with cut
The access handoff procedure for changing circuit 40 is adapted, and then guarantees that the vision signal from target interface can be successfully transmitted to display screen
50。
In above-mentioned or following embodiments, control circuit 10 can be used at least two audio-videos of a variety of implementations detections and connect
The connection status of mouth 30.
In one implementation, control circuit 10 can at least two audio-video interfaces 30 carry out level detection, when
When detecting specified level in a certain audio-video interface 30, which can be determined as target interface, that is to say can
Determine that the audio-video interface 30 is in connection status.In some practical applications, control circuit 10 can pass through multiple GPIO ports
The level on each audio-video interface 30 is detected respectively, when generating specified level on audio-video interface 30, control circuit 10
Interruption will be generated on corresponding GPIO port, control circuit 10 may determine therefrom that the target interface in connection status.
In this implementation, for control circuit 10 after determining target interface, controllable bridgt circuit 20 will come from target
The vision signal of interface is converted to specified signal format from the signal format that target interface is supported；Also controllable switching circuit 40
Carry out access switching.It, can be according to mesh when the target interface that control circuit 10 is determined changes for switching circuit 40
The variation of tag splice mouth and carry out access switching.
In another implementation, control circuit 10 can a preset default interface, and can to non-default interface carry out electricity
Flat detection, when detecting specified level in a certain non-default interface, can be determined as target interface for the non-default interface,
It is that can determine that the non-default interface is in connection status, and when specified level is not detected in any default interface,
It then can determine that non-default interface is in notconnect state.
In this implementation, control circuit 10 can be respectively at default conditions and non-default state, and can be in non-default shape
When the trigger condition of state disappears, default conditions are returned.Wherein, by default, control circuit 10 can bright people's control switching electricity
Bridgt circuit 20 is connected to by road 40 with default interface, and control circuit 10 can default control bridgt circuit 20 will be from default interface
Vision signal is converted to specified signal format from the signal format that default interface is supported.Control circuit 10 detects non-default connect
When there is the target interface in connection status in mouthful, it can trigger and enter non-default state, under non-default state, control circuit 10
Controllable switching circuit 40 interrupts default pathway, and switches to the access between bridgt circuit 20 and target interface, while may be used also
It controls bridgt circuit 20 and the vision signal from target interface is converted into specified letter from the signal format that target interface is supported
Number format.
Optionally, in this implementation, when at least two audio-video interfaces 30 include first interface and second interface, control
Circuit 10 processed is specifically used for carrying out level detection to second interface, and when specified level is not detected in second interface, determines
First interface is in connection status, alternatively, determining that second interface is in connection shape when detecting specified level in second interface
State.
In this implementation, can using first interface as default interface, switching circuit 40 can default connection first interface and
Bridgt circuit 20, in this way, control circuit 10 can determine the need for execution path according to the level detected in second interface
Switching, without detecting the connection status of first interface.For the default setting for cooperating switching circuit 40, control circuit 10 can be the
When two interfaces are in notconnect state, default control bridgt circuit 20 is by the vision signal from first interface from first interface branch
The signal format held is converted to specified format, and when second interface is in connection status, the signal of switching bridgt circuit 20 turns
Mode is changed, is converted to finger to control vision signal of the bridgt circuit 20 from second interface from the signal format that second interface is supported
Fix formula.
In addition, first interface is DP interface, and second interface is HDMI interface in this implementation；Alternatively, first interface is
HDMI interface, second interface are DP interface.
In this implementation, using first interface as default interface, it is with the access between first interface and bridgt circuit 20
Default pathway, switching circuit 40 can determine the connection status of second interface by the level in detection second interface, thus really
The fixed access whether being switched to from default pathway between second interface and bridgt circuit 20.Therefore, 10 cocoa of control circuit is flexible
Ground controls switching circuit 40 and carries out access switching, to transmit the vision signal of unlike signal format.
In above-mentioned or following embodiments, as shown in Figure 1 b, when display equipment 00 is virtual reality device or augmented reality
When equipment, display equipment 00 may also include sensor module 70 and data transmission interface 80.In Figure 1b, data transmission interface
80 is different from least two audio-video interfaces 30；Sensor module 70 is connect with control circuit 10, is used for collected sensing
Device data are sent to control circuit 10；Control circuit 10 is also used to generate the posture letter of display equipment 00 according to sensing data
Breath, and posture information is sent to by video source device 60 by data transmission interface 80, so that video source device 60 is according to posture
Information generates vision signal and exports to target interface.
In the present embodiment, after display equipment 00 powers on, the relevant initial work of hardware platform, including control can be carried out first
The initialization of circuit 10 processed, the initialization of sensor module 70 and data transmission interface 80；Then, it is standardized according to display screen 50
The electrifying timing sequence of middle requirement powers on display screen 50, and generates the flag bit that a mark display screen 50 has powered on, to prevent
The maloperation initialized repeatedly；Later, bridgt circuit 20 can be carried out according to the access state of at least two audio-video interfaces 30
Initialization；Finally, sensor data acquisition process can be entered.
Control circuit 10 can analyze collected sensing data, and generate the posture information of display equipment 00,
And posture information is sent to by video source device 60 by data transmission interface 80.Wherein, 9 axis biography can be used in sensor module 70
Sensor (9-Axis Sensor), data transmission interface 80 can be USB interface, connect with the audio-video referred in previous embodiment
Mouth 30 is different physical interface, can be used for transmission of speech signals and various order datas etc..In addition, display equipment 00 may be used also
Solution is compiled including 6DOF camera (6-DOF Camera) 90, perspective camera (See Through Camera) 100, audio
Code device (CODEC) 101 and the equal components of usb hub (USB HUB) 102, these components can also by data transmission interface 80 with
Video source device 60 is communicated, and the present embodiment is not construed as limiting this.
Fig. 2 is a kind of structural schematic diagram of the interface circuit for interface circuit that another embodiment of the application provides, such as Fig. 2 institute
Show, the interface circuit include: control circuit 21, bridgt circuit 22, at least two audio-video interfaces 23 and at least two sounds
The switching circuit 24 that video interface 23 connects；
Switching circuit 24 is connect with bridgt circuit 22, for occurring at least two audio-video interfaces 23 in connection shape
When the target interface of state, bridgt circuit 22 is connected to target interface；
Control circuit 21 is connect with bridgt circuit 22, for controlling bridgt circuit 22 for the vision signal from target interface
The signal format supported from target interface is converted to specified signal format.
At least two audio-video interfaces 23 are set in the present embodiment, in interface circuit, and switching circuit 24 can be by least two
Target interface in audio-video interface 23 in connection status is connected to bridgt circuit 22, so that vision signal successively passes through target
Access between interface and target interface and bridgt circuit 22 and be successfully transferred to bridgt circuit 22；Moreover, control circuit 21
The signal format that target interface is supported is converted to specified signal format by controllable bridgt circuit 22, so that vision signal success
It shows.Therefore, in the embodiment of the present application, the audio-video interface being connected to bridgt circuit 22 can flexibly be switched by switching circuit 24
23, and the conversion of the vision signals progress signal format by flexible 22 pairs of the bridgt circuit accesses of control of control circuit 21, to obtain
The vision signal for the signal format that must be specified.This makes the compatible various types of video source devices of interface circuit, can mention significantly
Flexibility when high interface circuit uses.
In an alternative embodiment, control circuit 21 is connect with switching circuit 24；
Control circuit 21 is specifically used for the connection status of at least two audio-video interfaces 23 of detection, and regards at least two sounds
When occurring being in the target interface of connection status in frequency interface 23, generates access switching command and be sent to switching circuit 24, with
Bridgt circuit 22 is connected to by control switching circuit 24 with target interface.
In an alternative embodiment, control circuit 21 is specifically used for the connection shape of at least two audio-video interfaces 23 of detection
State, and occur determining what target interface was supported when being in the target interface of connection status at least two audio-video interfaces 23
Signal format, the signal format generation control information supported based on target interface is simultaneously sent to bridgt circuit 22, to control bridge joint
Vision signal from target interface is converted to specified signal format from the signal format that target interface is supported by circuit 22.
In an alternative embodiment, at least two audio-video interfaces 23 include first interface and second interface；
Control circuit 21 is specifically used for carrying out level detection to second interface, and specified electricity is not detected in second interface
Usually, determine that first interface is in connection status, alternatively, determining second interface when detecting specified level in second interface
In connection status.
In an alternative embodiment, first interface is DP interface, and second interface is HDMI interface；Alternatively,
First interface is HDMI interface, and second interface is DP interface.
Fig. 3 is a kind of flow diagram for display methods that the another embodiment of the application provides.The display methods can be applied
In display equipment, display equipment includes at least two audio-video interfaces, the switching circuit that connect at least two audio-video interfaces
And the bridgt circuit being connect with switching circuit, as shown in figure 3, the display methods includes:
300, it when the target interface in connection status occurs at least two audio-video interfaces in switching circuit, will bridge
Circuit is connected to target interface, to receive the vision signal from video source device by target interface；And
301, the signal format that control bridgt circuit supports the vision signal from target interface from target interface is converted
The signal format and output to display screen supported for the display screen of display equipment are shown.
In the present embodiment, at least two audio-video interfaces are set on the display device, switching circuit can be by least two sounds
Be connected in the target interface of connection status with bridgt circuit in video interface so that vision signal successively pass through target interface with
And access between target interface and bridgt circuit and be successfully transferred to bridgt circuit；Moreover, the controllable bridge joint electricity of control circuit
The signal format that target interface is supported is converted to specified signal format by road, so that vision signal successful presentation.Therefore, this Shen
It can please flexibly switch the audio-video interface being connected to bridgt circuit by switching circuit in embodiment, and pass through control circuit spirit
Control bridgt circuit living carries out the conversion of signal format to the vision signal of access, to obtain the video letter of specified signal format
Number.This to show the compatible various types of video source devices of equipment, is greatly improved flexibility when display equipment uses.
In an alternative embodiment, control circuit is connect with switching circuit；This method comprises:
The connection status of at least two audio-video interfaces is detected, and is occurred at least two audio-video interfaces in connection
When the target interface of state, generate access switching command and be simultaneously sent to switching circuit, with control switching circuit by bridgt circuit with
Target interface connection.
In an alternative embodiment, this method comprises:
The connection status of at least two audio-video interfaces is detected, and is occurred at least two audio-video interfaces in connection
The signal format that target interface is supported is determined when the target interface of state, the signal format supported based on target interface generates control
Information processed is simultaneously sent to bridgt circuit, is supported the vision signal from target interface from target interface with to control bridgt circuit
Signal format is converted to specified signal format.
In an alternative embodiment, at least two audio-video interfaces include first interface and second interface；This method comprises:
Level detection is carried out to second interface, and when specified level is not detected in second interface, determines first interface
In connection status, alternatively, determining that second interface is in connection status when detecting specified level in second interface.
In an alternative embodiment, first interface is DP interface, and second interface is HDMI interface；Alternatively,
First interface is HDMI interface, and second interface is DP interface.
Correspondingly, the embodiment of the present application also provides a kind of computer readable storage medium for being stored with computer program, meter
Calculation machine program, which is performed, can be realized each step that can be executed by mixing machine management system in above method embodiment.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
In a typical configuration, calculating equipment includes one or more processors (CPU), input/output interface, net
Network interface and memory.
Memory may include the non-volatile memory in computer-readable medium, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM).Memory is computer-readable medium
Example.
Computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any method
Or technology come realize information store.Information can be computer readable instructions, data structure, the module of program or other data.
The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory (SRAM), moves
State random access memory (DRAM), other kinds of random access memory (RAM), read-only memory (ROM), electric erasable
Programmable read only memory (EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (CD-ROM),
Digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or other magnetic storage devices
Or any other non-transmission medium, can be used for storage can be accessed by a computing device information.As defined in this article, it calculates
Machine readable medium does not include temporary computer readable media (transitory media), such as the data-signal and carrier wave of modulation.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of interface circuit characterized by comprising control circuit, bridgt circuit, at least two audio-video interfaces and with
The switching circuit of at least two audio-video interfaces connection；
The switching circuit is connect with the bridgt circuit, for occurring at least two audio-video interface in connection
When the target interface of state, the bridgt circuit is connected to the target interface；
The control circuit is connect with the bridgt circuit, for controlling the bridgt circuit for the view from the target interface
Frequency signal is converted to specified signal format from the signal format that the target interface is supported.
2. interface circuit according to claim 1, which is characterized in that the control circuit is connect with the switching circuit；
The control circuit is specifically used for detecting the connection status of at least two audio-video interface, and described at least two
When occurring being in the target interface of connection status in audio-video interface, generates access switching command and be sent to the switching electricity
Road is connected to controlling the switching circuit for the bridgt circuit with the target interface.
3. interface circuit according to claim 1, which is characterized in that it is described at least that the control circuit is specifically used for detection
The connection status of two audio-video interfaces, and the target in connection status occur at least two audio-video interface and connect
The signal format that the target interface is supported is determined when mouth, the signal format supported based on the target interface generates control letter
The bridgt circuit is ceased and is sent to, to control the bridgt circuit for the vision signal from the target interface from the mesh
The signal format that tag splice mouth is supported is converted to specified signal format.
4. interface circuit described in any one of claim 1 to 3, which is characterized in that at least two audio-video connects
Mouth includes first interface and second interface；
The control circuit is specifically used for carrying out level detection to the second interface, and is not detected in the second interface
When specified level, determine that the first interface is in connection status, alternatively, detecting specified level in the second interface
When, determine that the second interface is in connection status.
5. interface circuit according to claim 4, which is characterized in that the first interface is DP interface, and described second connects
Mouth is HDMI interface；Alternatively,
The first interface is HDMI interface, and the second interface is DP interface.
6. a kind of display equipment characterized by comprising display screen, control circuit, bridgt circuit, at least two audio-videos connect
Mouth and the switching circuit being connect at least two audio-video interface；The switching circuit is connect with the bridgt circuit,
When for occurring being in the target interface of connection status at least two audio-video interface, by the bridgt circuit and institute
State target interface connection；The control circuit is connect with the bridgt circuit, will be from described for controlling the bridgt circuit
The vision signal of target interface is converted to the signal format that the display screen is supported from the signal format that the target interface is supported；
The display screen is used to show the vision signal from the target interface after bridgt circuit format conversion.
7. equipment according to claim 6, which is characterized in that further include: sensor module and data transmission interface, institute
It is different from least two audio-video interface to state data transmission interface；
The sensor module is connect with the control circuit, for collected sensing data to be sent to the control electricity
Road；
The control circuit is also used to generate the posture information of the display equipment according to the sensing data, and by described
The posture information is sent to video source device by data transmission interface, so that the video source device is according to the posture information
It generates the vision signal and exports to the target interface.
8. a kind of display methods is suitable for display equipment, which is characterized in that the display equipment includes that at least two audio-videos connect
Mouth, the switching circuit being connect at least two audio-video interface and the bridgt circuit being connect with the switching circuit；Institute
The method of stating includes:
When the target interface in connection status occurs at least two audio-video interface in the switching circuit, it will bridge
Circuit is connected to the target interface, to receive the vision signal from video source device by the target interface；And
Control the signal format that the bridgt circuit supports the vision signal from the target interface from the target interface
It is converted to the signal format that the display screen for showing equipment is supported and exports to the display screen and shown.
9. according to the method described in claim 8, it is characterized by further comprising:
Receive the collected sensing data of sensor module of the display equipment；
The posture information of the display equipment is generated according to the sensing data；
The posture information is sent to video source device by the data transmission interface of the display equipment, for the video
Source device generates the vision signal according to the posture information and exports to the target interface.
10. a kind of computer readable storage medium for storing computer instruction, which is characterized in that when the computer instruction is by one
When a or multiple processors execute, one or more of processor perform claims is caused to require the described in any item displays of 8-9
Method.
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| CN201811209710.XA CN109473081B (en) | 2018-10-17 | 2018-10-17 | Interface circuit, display method and display device |
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| CN201811209710.XA CN109473081B (en) | 2018-10-17 | 2018-10-17 | Interface circuit, display method and display device |
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| CN109473081B (en) | 2023-11-21 |
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