CN108874721A - Usb signal processing method, collection terminal and control terminal - Google Patents
Usb signal processing method, collection terminal and control terminal Download PDFInfo
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- CN108874721A CN108874721A CN201810706683.0A CN201810706683A CN108874721A CN 108874721 A CN108874721 A CN 108874721A CN 201810706683 A CN201810706683 A CN 201810706683A CN 108874721 A CN108874721 A CN 108874721A
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- ulpi
- control terminal
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Classifications
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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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4247—Bus transfer protocol, e.g. handshake; Synchronisation on a daisy chain bus
- G06F13/426—Bus transfer protocol, e.g. handshake; Synchronisation on a daisy chain bus using an embedded synchronisation, e.g. Firewire bus, Fibre Channel bus, SSA bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- 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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
Abstract
The embodiment of the present invention provides a kind of usb signal processing method, collection terminal and control terminal, and wherein method includes：The first usb signal for receiving input is converted to the first standard interface ULPI signal by collection terminal.First ULPI signal and received vision signal are carried out packing processing by collection terminal, and are sent to control terminal.After control terminal receives packaged data, unpacking is carried out to handle to obtain vision signal and the first ULPI signal, and the first ULPI signal obtained after unpacking is converted into the first usb signal, the first usb signal after conversion is sent to the USB device connecting with the control terminal.Vision signal is also sent to the display equipment connecting with the control terminal and shown by the control terminal.The transparent transmission of usb signal may be implemented by the mutual conversion of usb signal and ULPI signal for the above method, due to reducing intermediate conveyor equipment traffic rate be improved.
Description
Technical field
The present invention relates to signal processing technology field, in particular to a kind of usb signal processing method, collection terminal and
Control terminal.
Background technique
It in the prior art, is to need to install carrying out identification to various USB (Universal Serial Bus) equipment
Corresponding driving can support all USB to set however, driving needed for different USB devices is not identical currently without one kind
Standby driving.Drive poor compatibility, in the case where driving does not support USB device, the signal of USB device can not transparent transmission, influence
The transmission of usb signal.
The signal of different USB devices how is set by transparent transmission to be those skilled in the art's urgent problem.
Summary of the invention
To solve the above-mentioned problems, the embodiment of the present invention provides a kind of usb signal processing method, collection terminal and control terminal.
In a first aspect, the embodiment of the present invention provides a kind of usb signal processing method, it is applied to signal processing system, it is described
Signal processing system includes the collection terminal and control terminal of communication connection, the method includes：The collection terminal receives the of input
First usb signal of input is converted to the first standard interface ULPI signal by one usb signal；
First ULPI signal and received vision signal are carried out packing processing by the collection terminal, and are sent to control terminal；
After the control terminal receives packaged data, carries out unpacking and handle to obtain vision signal and the first ULPI signal；
The first ULPI signal obtained after unpacking is converted into the first usb signal by the control terminal, and by after conversion
One usb signal is sent to the USB device connecting with the control terminal；
The control terminal also the vision signal obtained after unpacking is sent to the display equipment that is connect with the control terminal into
Row display.
Optionally, in the present embodiment, the control terminal receives the second usb signal of the USB device input, will be described
Second usb signal is converted to the 2nd ULPI signal, and the 2nd ULPI signal is sent to the collection terminal.
After the collection terminal receives the 2nd ULPI signal, the 2nd ULPI signal is converted into the 2nd USB letter
Number, and second usb signal is sent to the host equipment connecting with the collection terminal.
Optionally, in the present embodiment, the collection terminal is communicated with control terminal, and the collection terminal receives the first of input
First usb signal of input is converted to the first standard interface ULPI signal by usb signal.
First ULPI signal and received vision signal are carried out packing processing by the collection terminal, and are sent to control terminal,
So that the control terminal carries out unpacking processing to the packaged data received, the first obtained ULPI signal will be unpacked and be converted into the
One usb signal, and the first usb signal after conversion is sent to the USB device connecting with the control terminal；After also unpacking
To vision signal be sent to the display equipment connecting with the control terminal and show.
Optionally, in the present embodiment, the collection terminal also can receive the 2nd ULPI signal, and the 2nd ULPI is believed
Number the second usb signal is converted to, and second usb signal is sent to the host equipment connecting with the collection terminal, wherein
The 2nd ULPI signal is that the control terminal is converted to according to the second usb signal that the USB device inputs.
Optionally, in the present embodiment, received packaged data are carried out unpacking processing by the control terminal, obtain video letter
Number with the first ULPI signal, wherein the packaged data are by the collection terminal by the first ULPI signal and received vision signal
It carries out packing to handle to obtain, the first ULPI signal is converted to by the first usb signal inputted.
The first ULPI signal obtained after unpacking is converted into the first usb signal by the control terminal, and by after conversion
One usb signal is sent to the USB device connecting with the control terminal；The control terminal also sends out the vision signal obtained after unpacking
The display equipment connecting with the control terminal is given to show.
Optionally, in the present embodiment, the control terminal also can receive the second usb signal of the USB device input,
Second usb signal is converted into the 2nd ULPI signal, and the 2nd ULPI signal is sent to the collection terminal, by institute
It states collection terminal and the 2nd ULPI signal is converted into the second usb signal, and second usb signal is sent to and is adopted with described
Collect the host equipment of end connection.
Second aspect, the embodiment of the present invention also provide a kind of collection terminal, and the collection terminal includes video decoding chip, first
USBPHY chip and primary scene programmable gate array FPGA.
The video decoding chip, for the first FPGA will to be sent to after received video signal decoding.
The first USBPHY chip, the first usb signal for that will input are sent to after being converted to the first ULPI signal
First FPGA.
First FPGA, for decoded vision signal and the first ULPI signal to be carried out packing processing.
Optionally, in the present embodiment, the first FPGA is also used to unpack the 2nd ULPI signal received.
The first USBPHY chip, the 2nd ULPI signal after being also used to unpack are converted into the second usb signal, concurrently
Give the host equipment connecting with the collection terminal.
The third aspect, the embodiment of the present invention also provide a kind of control terminal, the control terminal include the 2nd USBPHY chip and
2nd FPGA；
2nd FPGA is sent to for being unpacked the packetized signals received and being converted into the first ULPI signal
The 2nd USBPHY chip.
The 2nd USBPHY chip, the first ULPI signal for that will receive are sent after being converted to the first usb signal
Give the USB device of the control terminal connection.
Optionally, in the present embodiment, the 2nd USBPHY chip, the second usb signal for being also used to receive turn
It is changed to the 2nd ULPI signal.
2nd FPGA, the 2nd ULPI signal for being also used to receive is packaged, and is sent to the collection terminal.
Compared with the existing technology, the embodiment of the present invention has the advantages that：
The present invention provides a kind of usb signal processing method, collection terminal and control terminal, the collection terminal receives the of input
First usb signal of input is converted to the first standard interface ULPI signal by one usb signal.The collection terminal is by the first ULPI
Signal and received vision signal, which are packaged, to be handled and is sent to control terminal.After the control terminal receives packaged data, solved
Packet handles to obtain vision signal and the first ULPI signal.The first ULPI signal obtained after unpacking is converted by the control terminal
One usb signal, and the first usb signal after conversion is sent to the USB device connecting with the control terminal.The control terminal is also
The vision signal obtained after unpacking is sent to the display equipment connecting with the control terminal to show.It is different due to identifying
USB device needs different drivers, and usb signal is converted into ULPI signal when carrying out usb signal transmission by the above method
After transmitted, and the prior art is when carrying out usb signal processing, needs to install different USB devices different USB drivings
Usb signal could be handled, this makes the compatibility of host equipment be deteriorated, transparent transmission cannot be carried out to usb signal, and it is above-mentioned
The transmission to usb signal can be completed without installation driving in the host device in the usb signal processing method that method is mentioned, and makes
Usb signal can transparent transmission, improve the compatibility of host equipment, meanwhile, using the above method to usb signal carry out transmission being not required to
To reduce the link of intermediate conveyor by other equipment transmission such as ARM, improve the communication speed of data.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural block diagram for the usb signal processing system that first embodiment of the invention provides；
Fig. 2 is the usb signal processing side for being applied to usb signal processing system in Fig. 1 that first embodiment of the invention provides
The flow chart of method；
Fig. 3 is the usb signal processing side for being applied to usb signal processing system in Fig. 1 that first embodiment of the invention provides
Another flow chart of method；
Fig. 4 provides the flow chart of the usb signal processing method applied to collection terminal for second embodiment of the invention；
Fig. 5 provides the flow chart of the usb signal processing method applied to control terminal for third embodiment of the invention.
Icon：1-USB signal processing system；10- collection terminal；11- control terminal；12- host equipment；13- display；14-
USB device；101- video decoding chip；The first USBPHY chip of 102-；The first FPGA of 103-；The 2nd FPGA of 110-；111-
Two USBPHY chips.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the prior art, in order to enable to access long-range computer as the local computer of operation, the method for use is
It is driven in local side programming apparatus to identify a variety of different USB devices, distal end is then in such a way that gadget simulates local side
Usb signal is handled, local key mouse is made to be able to access that the computer equipment of distal end.
There is also following drawbacks for aforesaid way：On the one hand it is that complete transparent transmission cannot be accomplished to various USB devices, needs to compile
It writes different drivings and identifies different USB devices, poor compatibility；It on the other hand is to be divided into hardware layer, link layer due to usb communication
And application layer, the scheme of the prior art need intermediate equipment that usb signal is resolved to application layer, in the information transmitting Jing Guo multilayer
Afterwards, communication speed can be made to be affected.
In order to overcome above-mentioned defect existing in the prior art, inventor provides following example by research and provides solution
Scheme.
Embodiment one
Fig. 1 is please referred to, Fig. 1 is the structural block diagram for the usb signal processing system that first embodiment of the invention provides, the letter
Number processing system includes collection terminal 10 and control terminal 11, and the collection terminal 10 is communicated to connect with the control terminal 11, for example, acquisition
End 10 can carry out information transmission by optical fiber or network and the control terminal 11, can also carry out information biography by wireless network
It is defeated.
The collection terminal 10 is connect with the host equipment 12, the control terminal 11 and the display 13 and the USB
Equipment 14 connects.
The collection terminal 10 includes that video decoding chip 101, the first USBPHY chip 102 and primary scene may be programmed gate array
Arrange FPGA103；The video decoding chip 101, the first USBPHY chip 102 are connect with host equipment 12, and described first
FPGA103 is connect with the video decoding chip 101 and the first USBPHY chip.
The control terminal 11 include the 2nd USBPHY chip 111 and the 2nd FPGA110, the 2nd FPGA110 with it is described
First FPGA101 communication connection, the 2nd FPGA110 are connect with the display equipment 13 and the 2nd USBPHY chip,
The 2nd USBPHY chip is connect with the USB device 14.
Referring to figure 2., Fig. 2 is the USB for being applied to usb signal processing system in Fig. 1 that first embodiment of the invention provides
The flow chart of signal processing method, the usb signal processing method include：
Step S210, collection terminal 10 receive the first usb signal of input, the first usb signal of input are converted to first
Standard interface ULPI signal.
The collection terminal 10 is connect with the host equipment 12, and the collection terminal 10 includes video decoding chip 101, first
USBPHY chip 102 and the first FPGA103, the first USBPHY chip 102 can obtain described from the host equipment 12
One usb signal, and the first usb signal is converted by the first ULPI signal by the first USBPHY chip 102, and will be described
First ULPI signal is sent to the first FPGA103.
ULPI is the abbreviation of UTMI+Low Pin Interface, wherein UTMI (USB 2.0Transceiver
Macrocell Interface) be USBPHY chip 102 interface.
First ULPI signal and received vision signal are carried out packing processing by step S220, the collection terminal 10, concurrently
Give control terminal 11.
The video decoding chip 101 is connect with the host equipment 12, and the video decoding chip 101 can be from described
Host equipment 12 obtains the vision signal, and the vision signal is sent to the first FPGA103, the FPGA103
The vision signal and the first ULPI signal are packaged and are sent to control terminal 11.
Step S230：After the control terminal 11 receives packaged data, carries out unpacking and handle to obtain vision signal and first
ULPI signal.
Step S240：The first ULPI signal obtained after unpacking is converted into the first usb signal by the control terminal 11, described
The first usb signal after conversion is sent to the USB device 14 connecting with the control terminal by control terminal 11, and will be obtained after unpacking
Vision signal be sent to the display equipment 13 connecting with the control terminal and shown.
The control terminal 11 includes the 2nd FPGA110 and the 2nd USBPHY chip 111, and described second
FPGA110 receives the packetized signals that the collection terminal 10 is sent, and carries out unpacking to the packetized signals and handles to obtain the video
The vision signal is sent to the display 13 by signal and the first ULPI signal, the 2nd FPGA110, and described
The first ULPI signal is sent to the 2nd USBPHY chip 111 by two FPGA110, and the 2nd USBPHY chip is by institute
The first ULPI signal is stated to be converted into first usb signal and be sent to the USB device 14.
Referring to figure 3., Fig. 3 is the USB for being applied to usb signal processing system in Fig. 1 that first embodiment of the invention provides
Another flow chart of signal processing method, the method includes：
Step S250：The control terminal 11 receives the second usb signal that the USB device 14 inputs, by the 2nd USB
Signal is converted to the 2nd ULPI signal, and the 2nd ULPI signal is sent to the collection terminal 10.
The 2nd USBPHY chip 111 in the control terminal 11 from the USB device 14 obtains the second usb signal and by the
Two usb signals are converted to the 2nd ULPI signal, and the 2nd ULPI signal is sent to described by the 2nd USBPHY chip 111
The 2nd ULPI signal is sent to collection terminal 10 by the 2nd FPGA110, the 2nd FPGA110.
Step S260：After the collection terminal 10 receives the 2nd ULPI signal, the 2nd ULPI signal is converted
For the second usb signal, and second usb signal is sent to the host equipment 14 connecting with the collection terminal 10.
The 2nd FPGA103 in the collection terminal 10 receives the 2nd ULPI signal, and the 2nd ULPI signal is sent
To the first USBPHY chip 102, the 2nd ULPI signal is converted to the second usb signal by the first USBPHY chip
And it is sent to host equipment 12.
In embodiments of the present invention, the first USBPHY chip 102 and the 2nd USBPHY chip 111 can use
USB3320 chip.
Above-described embodiment above method passes after usb signal is converted into ULPI signal when carrying out usb signal transmission
It is defeated, do not need solve the problems, such as poor compatibility in the prior art, usb signal exists according to USB device addition driver is newly added
In transmission process, it only need to be resolved to hardware layer, reduce intermediate communication links, so that laser propagation effect stabilization and transmission rate
It is high.
Embodiment two
Referring to figure 4., second embodiment of the invention also provides a kind of usb signal processing method, different from above example
, this usb signal processing method is to describe the present invention program from 10 side of collection terminal.It is understood that next wanting
Specific steps involved in the usb signal processing method of description are detailed in the correspondence step of above example to be described,
The exhaustive of specific each step can refer to above embodiment description, below only to the usb signal of 10 side of collection terminal at
Reason method is briefly described.
Step S310：The first usb signal for receiving input, is converted to the first standard interface for the first usb signal of input
ULPI signal.
Step S320：First ULPI signal and received vision signal are subjected to packing processing, and are sent to control terminal 11,
So that the control terminal 11 carries out unpacking processing to the packaged data received, the first obtained ULPI signal will be unpacked and be converted into
First usb signal, and the first usb signal after conversion is sent to the USB device connecting with the control terminal 11；It will also unpack
The vision signal obtained afterwards is sent to the display equipment 13 connecting with the control terminal 11 and shows.
Step S310 and step S320 describes the process that usb signal is transmitted from collection terminal 10 to control terminal 11, in this reality
It applies in example, the method also includes transmitting the process of usb signal from control terminal 11 to collection terminal 10, which is specially：
The 2nd ULPI signal is received, the 2nd ULPI signal is converted into the second usb signal, and by the 2nd USB
Signal is sent to the host equipment 12 connecting with the collection terminal 10, wherein the 2nd ULPI signal is the control terminal 11
It is converted to according to the second usb signal that the USB device inputs.
Embodiment three
Referring to figure 5., third embodiment of the invention also provides a kind of usb signal processing method, different from above example
, this usb signal processing method is to describe the present invention program from 11 side of control terminal.It is understood that next wanting
Specific steps involved in the usb signal processing method of description are detailed in the correspondence step of above example to be described,
The exhaustive of specific each step can refer to above embodiment description, below only to the usb signal of 11 side of control terminal at
Reason method is briefly described.
Step S410：Received packaged data are subjected to unpacking processing, obtain vision signal and the first ULPI signal,
In, the first ULPI signal is carried out packing with received vision signal by the collection terminal 10 and handles to obtain by the packaged data,
The first ULPI signal is converted to by the first usb signal inputted.
Step S420：The first ULPI signal obtained after unpacking is converted into the first usb signal, and by first after conversion
Usb signal is sent to the USB device connecting with the control terminal 11；The vision signal that the control terminal 11 will also obtain after unpacking
The display equipment 13 connecting with the control terminal 11 is sent to show.
Step S410 and step S420 describes the process that usb signal is transmitted from collection terminal 10 to control terminal 11, in this reality
It applies in example, the method also includes transmitting the process of usb signal from control terminal 11 to collection terminal 10, which is specially：
The second usb signal that the USB device 14 inputs is received, second usb signal is converted into the 2nd ULPI letter
Number, and the 2nd ULPI signal is sent to the collection terminal 10, the 2nd ULPI signal is turned by the collection terminal 10
It is changed to the second usb signal, and second usb signal is sent to the host equipment 12 connecting with the collection terminal 10.
Example IV
The collection terminal 10 includes that video decoding chip 101, the first USBPHY chip 102 and primary scene may be programmed gate array
Arrange FPGA103.
The video decoding chip 101, for the first FPGA103 will to be sent to after received video signal decoding,
The video decoding chip 101 obtains vision signal from host equipment 12.
The first USBPHY chip 102, the first usb signal for that will input are sent after being converted to the first ULPI signal
To the first FPGA103, first usb signal is sent to the first USBPHY chip from host equipment 12.
First FPGA103, for decoded vision signal and the first ULPI signal to be carried out packing processing.
In the present embodiment, the first FPGA103 is also used to unpack the 2nd ULPI signal received.
The first USBPHY chip 102, the 2nd ULPI signal after being also used to unpack are converted into the second usb signal,
And it is sent to the host equipment 12 connecting with the collection terminal 10.
Embodiment five
The control terminal 11 includes the 2nd USBPHY chip 111 and the 2nd FPGA110.
2nd FPGA110, for the packetized signals received to be unpacked to and are converted into the first ULPI signal hair
It send to the 2nd USBPHY chip 111.
The 2nd USBPHY chip 111, the first ULPI signal for that will receive are sent out after being converted to the first usb signal
Give the USB device 14 connecting with the control terminal 11.
In the present embodiment, the 2nd USBPHY chip 111, the second usb signal for being also used to receive are converted to
The 2nd ULPI signal.
2nd FPGA111, the 2nd ULPI signal for being also used to receive is packaged, and is sent to the collection terminal
10。
In conclusion the present invention provides a kind of usb signal processing method, collection terminal and control terminal, the acquisition termination
The first usb signal for receiving input, is converted to the first standard interface ULPI signal for the first usb signal of input.The collection terminal
First ULPI signal and received vision signal are packaged and handles and is sent to control terminal.The control terminal receives packaged data
Afterwards, unpacking is carried out to handle to obtain vision signal and the first ULPI signal.The control terminal believes the first ULPI obtained after unpacking
Number it is converted into the first usb signal, and the first usb signal after conversion is sent to the USB device connecting with the control terminal.Institute
It states control terminal the vision signal obtained after unpacking is also sent to the display equipment connecting with the control terminal and show.Due to
Identify that different USB devices needs different drivers, the above method converts usb signal when carrying out usb signal transmission
At being transmitted after ULPI signal, it is only necessary to be resolved to hardware layer, and the prior art is when carrying out usb signal processing, need pair
Different USB devices is installed different USB drivings and could be handled usb signal, this becomes the compatibility of host equipment
Difference cannot carry out transparent transmission to usb signal, and the usb signal processing method that the above method is mentioned without installing in the host device
The transmission to usb signal can be completed in driving, enables usb signal transparent transmission, improves the compatibility of host equipment, meanwhile, it adopts
Transmission is carried out to usb signal in aforementioned manners and needs not move through other equipment transmission such as ARM, reduces the link of intermediate conveyor,
Improve the communication speed of data.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of usb signal processing method, which is characterized in that be applied to signal processing system, the signal processing system includes
The collection terminal and control terminal of communication connection, the method includes：
The collection terminal receives the first usb signal of input, and the first usb signal of input is converted to the first standard interface ULPI
Signal；
First ULPI signal and received vision signal are carried out packing processing by the collection terminal, and are sent to control terminal；
After the control terminal receives packaged data, carries out unpacking and handle to obtain vision signal and the first ULPI signal；
The first ULPI signal obtained after unpacking is converted into the first usb signal by the control terminal, and by the first USB after conversion
Signal is sent to the USB device connecting with the control terminal；The vision signal obtained after unpacking is also sent to by the control terminal
The display equipment connecting with the control terminal is shown.
2. the method according to claim 1, wherein the method also includes：
The control terminal receives the second usb signal of the USB device input, and second usb signal is converted to second
ULPI signal, and the 2nd ULPI signal is sent to the collection terminal；
After the collection terminal receives the 2nd ULPI signal, the 2nd ULPI signal is converted into the second usb signal, and
Second usb signal is sent to the host equipment connecting with the collection terminal.
3. a kind of usb signal processing method, which is characterized in that be applied to collection terminal, the collection terminal is communicated with control terminal, described
Method includes：
The first usb signal for receiving input, is converted to the first standard interface ULPI signal for the first usb signal of input；
First ULPI signal and received vision signal are subjected to packing processing, and are sent to control terminal, so that the control terminal
Unpacking processing is carried out to the packaged data received, the first obtained ULPI signal will be unpacked and be converted into the first usb signal, and will
The first usb signal after conversion is sent to the USB device connecting with the control terminal；Also the vision signal obtained after unpacking is sent out
The display equipment connecting with the control terminal is given to show.
4. according to the method described in claim 3, it is characterized in that, the method also includes：
The 2nd ULPI signal is received, the 2nd ULPI signal is converted into the second usb signal, and by second usb signal
It is sent to the host equipment connecting with the collection terminal, wherein the 2nd ULPI signal is the control terminal according to the USB
Second usb signal of equipment input is converted to.
5. a kind of usb signal processing method, which is characterized in that be applied to control terminal, the control terminal is communicated with collection terminal, described
Method includes：
Received packaged data are subjected to unpacking processing, obtain vision signal and the first ULPI signal, wherein the packaged data
The first ULPI signal packing is carried out with received vision signal by the collection terminal to handle to obtain, the first ULPI signal by
First usb signal of input is converted to；
The first ULPI signal obtained after unpacking is converted into the first usb signal, and the first usb signal after conversion is sent to
The USB device being connect with the control terminal；The vision signal obtained after unpacking is also sent to and the control by the control terminal
The display equipment of end connection is shown.
6. according to the method described in claim 5, it is characterized in that, the method also includes：
Second usb signal is converted to the 2nd ULPI signal by the second usb signal for receiving the USB device input, and will
The 2nd ULPI signal is sent to the collection terminal, and the 2nd ULPI signal is converted to the 2nd USB by the collection terminal
Signal, and second usb signal is sent to the host equipment connecting with the collection terminal.
7. a kind of collection terminal, which is characterized in that the collection terminal includes that video decoding chip, the first USBPHY chip and first are existing
Field programmable gate array FPGA；
The video decoding chip, for the first FPGA will to be sent to after received video signal decoding；
The first USBPHY chip, the first usb signal for that will input be converted to be sent to after the first ULPI signal it is described
First FPGA；
First FPGA, for decoded vision signal and the first ULPI signal to be carried out packing processing.
8. collection terminal according to claim 7, it is characterised in that：
First FPGA is also used to unpack the 2nd ULPI signal received；
The first USBPHY chip, the 2nd ULPI signal after being also used to unpack is converted into the second usb signal, and is sent to
The host equipment being connect with the collection terminal.
9. a kind of control terminal, which is characterized in that the control terminal includes the 2nd USBPHY chip and the 2nd FPGA；
2nd FPGA, for the packetized signals received are unpacked and are converted into the first ULPI signal be sent to it is described
2nd USBPHY chip；
The 2nd USBPHY chip, the first ULPI signal for that will receive be converted to be sent to after the first usb signal with
The USB device of the control terminal connection.
10. a kind of control terminal according to claim 9, it is characterised in that：
The 2nd USBPHY chip, the second usb signal for being also used to receive are converted to the 2nd ULPI signal；
2nd FPGA, the 2nd ULPI signal for being also used to receive is packaged, and is sent to collection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810706683.0A CN108874721A (en) | 2018-07-02 | 2018-07-02 | Usb signal processing method, collection terminal and control terminal |
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| CN201810706683.0A CN108874721A (en) | 2018-07-02 | 2018-07-02 | Usb signal processing method, collection terminal and control terminal |
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Citations (7)
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