CN106528473B - A kind of universal asynchronous receiving-transmitting transmitter information output method and device - Google Patents
A kind of universal asynchronous receiving-transmitting transmitter information output method and device Download PDFInfo
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- CN106528473B CN106528473B CN201610866102.0A CN201610866102A CN106528473B CN 106528473 B CN106528473 B CN 106528473B CN 201610866102 A CN201610866102 A CN 201610866102A CN 106528473 B CN106528473 B CN 106528473B
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- 238000001514 detection method Methods 0.000 claims abstract description 46
- 230000005611 electricity Effects 0.000 description 3
- 208000033748 Device issues Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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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
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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Abstract
The embodiment of the invention discloses a kind of universal asynchronous receiving-transmitting transmitter information output method and devices, are applied to equipment to be debugged, and equipment to be debugged has high-definition multimedia interface；The described method includes: being detected when equipment to be debugged is connect with commissioning device by high-definition multimedia interface to hot plug detection signal；When hot plug detection signal is low level, by signal sending circuit, high-definition multimedia interface is sent by the Tx signal of universal asynchronous receiving-transmitting transmitter, so that Tx signal is output to the commissioning device by the high-definition multimedia interface；When detecting hot plug detection signal is high level, low level is set by hot plug detection signal, and by signal sending circuit, send high-definition multimedia interface for Tx signal.Using universal asynchronous receiving-transmitting transmitter information output method provided in an embodiment of the present invention and device, the information of universal asynchronous receiving-transmitting transmitter can be exported.
Description
Technical field
The present invention relates to the debugging technique fields of equipment, in particular to a kind of universal asynchronous receiving-transmitting transmitter information output side
Method and device.
Background technique
In general, equipment debugging be it is whether normal according to the information analysis of equipment its software and hardware is obtained about, in order to
The quality for ensuring equipment requires to be debugged the assembling of equipment is forward and backward.
As the requirement of equipment appearance is more and more exquisite and size increasingly minimizes, the equipment for video output
External interface it is also more and more rare, usually only USB and HDMI (High Definition Multimedia
Interface, high-definition multimedia interface) two common interfaces.Currently, main exported by USB interface for debugging
Information, but USB interface cannot export be mainly used for debugging Serial Port Information, i.e. UART (Universal
Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) information.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of universal asynchronous receiving-transmitting transmitter information output method and device, with
Export the information of universal asynchronous receiving-transmitting transmitter.
In order to achieve the above objectives, the embodiment of the invention discloses a kind of universal asynchronous receiving-transmitting transmitter information output method,
Applied to equipment to be debugged, the equipment to be debugged has high-definition multimedia interface；The described method includes:
When the equipment to be debugged is connect with commissioning device by the high-definition multimedia interface, hot plug is examined
Signal is surveyed to be detected；
When detecting the hot plug detection signal is low level, by signal sending circuit, by universal asynchronous receiving-transmitting
The Tx signal of transmitter is sent to the high-definition multimedia interface, so that the Tx signal passes through the more matchmakers of the fine definition
Body interface is output to the commissioning device；
When detecting the hot plug detection signal is high level, low electricity is set by hot plug detection signal
It is flat, and by the signal sending circuit, the more matchmakers of the fine definition are sent by the Tx signal of universal asynchronous receiving-transmitting transmitter
Body interface, so that the Tx signal is output to the commissioning device by the high-definition multimedia interface；
Wherein, for the signal sending circuit by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of first NOT gate is connected with described first with an input terminal of door,
Described first and the signal that another input terminal of door inputs are the Tx signal, described first with the output end and the height of door
Definition multimedia interface is connected.
Preferably, the method also includes:
The debugging signal that the commissioning device is sent is received by the high-definition multimedia interface；
According to the debugging signal, the Rx signal of the universal asynchronous receiving-transmitting transmitter is generated.
Preferably, described according to the debugging signal, generate the Rx signal of the universal asynchronous receiving-transmitting transmitter, comprising:
By the debugging signal by signal generating circuit, the Rx signal of the universal asynchronous receiving-transmitting transmitter is generated；
Wherein, for the signal generating circuit by the second NOT gate and second and Men Zucheng, the input terminal of second NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of second NOT gate is connected with described second with an input terminal of door,
Described second and the signal that another input terminal of door inputs are the debugging signal, and described second exports with the output end of door
Signal is the Rx signal generated.
In order to achieve the above objectives, the embodiment of the invention also discloses a kind of outputs of universal asynchronous receiving-transmitting transmitter information to fill
It sets, is applied to equipment to be debugged, the equipment to be debugged has high-definition multimedia interface；Described device includes:
Detection module, for being connect with commissioning device by the high-definition multimedia interface when the equipment to be debugged
When, hot plug detection signal is detected；
First sending module, for leading to when the detection module detects that the hot plug detection signal is low level
Signal sending circuit is crossed, sends the high-definition multimedia interface for the Tx signal of universal asynchronous receiving-transmitting transmitter, so that
The Tx signal is output to the commissioning device by the high-definition multimedia interface；
Second sending module, for inciting somebody to action when the detection module detects that the hot plug detection signal is high level
The hot plug detection signal is set as low level, and by the signal sending circuit, by universal asynchronous receiving-transmitting transmitter
Tx signal is sent to the high-definition multimedia interface, so that the Tx signal is defeated by the high-definition multimedia interface
The commissioning device is arrived out；
Wherein, for the signal sending circuit by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of first NOT gate is connected with described first with an input terminal of door,
Described first and the signal that another input terminal of door inputs are the Tx signal, described first with the output end and the height of door
Definition multimedia interface is connected.
Preferably, described device further include: receiving module and generation module,
The receiving module, for receiving the debugging that the commissioning device is sent by the high-definition multimedia interface
Signal；
The generation module, for generating the Rx signal of the universal asynchronous receiving-transmitting transmitter according to the debugging signal.
Preferably, the generation module, is specifically used for:
By the debugging signal by signal generating circuit, the Rx signal of the universal asynchronous receiving-transmitting transmitter is generated；
Wherein, for the signal generating circuit by the second NOT gate and second and Men Zucheng, the input terminal of second NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of second NOT gate is connected with described second with an input terminal of door,
Described second and the signal that another input terminal of door inputs are the debugging signal, and described second exports with the output end of door
Signal is the Rx signal generated.
As seen from the above technical solutions, a kind of universal asynchronous receiving-transmitting transmitter information output provided in an embodiment of the present invention
Method and device, is applied to equipment to be debugged, and the equipment to be debugged has high-definition multimedia interface；The method packet
It includes: when the equipment to be debugged is connect with commissioning device by the high-definition multimedia interface, hot plug being detected and is believed
It number is detected；When detecting the hot plug detection signal is low level, by signal sending circuit, by universal asynchronous receipts
The Tx signal of hair transmitter is sent to the high-definition multimedia interface, so that the Tx signal is more by the fine definition
Media interface is output to the commissioning device；When detecting the hot plug detection signal is high level, by the hot plug
Detection signal is set as low level, and by the signal sending circuit, the Tx signal of universal asynchronous receiving-transmitting transmitter is sent
To the high-definition multimedia interface, so that the Tx signal is output to the tune by the high-definition multimedia interface
Try equipment；Wherein, the signal sending circuit is inputted by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate
Signal be that hot plug detects signal, the output end of first NOT gate is connected with described first with an input terminal of door, institute
The signal for stating another input terminal input of first and door is the Tx signal, the described first output end with door and the high definition
Clear degree multimedia interface is connected.
Using technical solution provided in an embodiment of the present invention, by signal sending circuit by the universal asynchronous of equipment to be debugged
The information of receiving-transmitting transmitter is sent to high-definition multimedia interface, so that the commissioning device being connected with interface is sent it to,
It solves and carries out debugging the Information Problems that can not obtain universal asynchronous receiving-transmitting transmitter in the prior art by USB interface.Cause
This, can export the information of universal asynchronous receiving-transmitting transmitter.
Certainly, it implements any of the products of the present invention or method must be not necessarily required to reach all the above excellent simultaneously
Point.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that a kind of process of universal asynchronous receiving-transmitting transmitter information output method provided in an embodiment of the present invention is illustrated
Figure；
Fig. 2 is that another process of universal asynchronous receiving-transmitting transmitter information output method provided in an embodiment of the present invention is illustrated
Figure；
Fig. 3 is a kind of structural representation of universal asynchronous receiving-transmitting transmitter information output apparatus provided in an embodiment of the present invention
Figure；
Fig. 4 is another structural representation of universal asynchronous receiving-transmitting transmitter information output apparatus provided in an embodiment of the present invention
Figure；
Fig. 5 is the circuit diagram of signal sending circuit provided in an embodiment of the present invention and signal generating circuit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
To solve prior art problem, the embodiment of the invention provides a kind of universal asynchronous receiving-transmitting transmitter information output sides
Method and device, are described in detail separately below.
It should be noted that equipment to be debugged is that have the equipment of Video Output, and have the more matchmakers of fine definition
Body interface, interface include several channels again, DDC (Display Data Channel, display data channel) packet therein
Containing clock and data two paths of signals, the two signals are used to read the display capabilities of display equipment, accordingly equipment selection to be debugged
Optimal fan-out capability realizes shaking hands for both data transmission.After both sides shake hands, two routes of clock and data of DDC
Most of the time all in idle state, can use the free time of DDC, export universal asynchronous receiving-transmitting transmitter information.This
Inventive embodiments export universal asynchronous receiving-transmitting transmitter information with DDC and are only exemplary, and do not constitute a limitation of the invention.
Equipment needs to be debugged are connect with commissioning device, Tx signal are sent to commissioning device, then by commissioning device pair
Signal is analyzed.Commissioning device can be oscillograph, PC machine or be that the debugging that other are sended and received for information is flat
Platform, the embodiment of the present invention are not defined the concrete type of commissioning device.
Fig. 1 is that a kind of process of universal asynchronous receiving-transmitting transmitter information output method provided in an embodiment of the present invention is illustrated
Figure, includes the following steps:
S101, when the equipment to be debugged is connect with commissioning device by the high-definition multimedia interface, to heat
Plug detection signal is detected.
S102, will be universal asynchronous by signal sending circuit when detecting the hot plug detection signal is low level
The Tx signal of receiving-transmitting transmitter is sent to the high-definition multimedia interface, so that the Tx signal passes through the fine definition
Multimedia interface is output to the commissioning device.
Wherein, for the signal sending circuit by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of first NOT gate is connected with described first with an input terminal of door,
Described first and the signal that another input terminal of door inputs are the Tx signal, described first with the output end and the height of door
Definition multimedia interface is connected.
S103 sets hot plug detection signal to when detecting the hot plug detection signal is high level
Low level, and by the signal sending circuit, the fine definition is sent by the Tx signal of universal asynchronous receiving-transmitting transmitter
Multimedia interface, so that the Tx signal is output to the commissioning device by the high-definition multimedia interface.
It will be appreciated by persons skilled in the art that hot plug detection signal is for detecting whether equipment to be debugged accesses
Display equipment, display equipment is usually the television set for having high-resolution display function, the signal when not having to show equipment access
For low level；After display equipment access, which just becomes high level from low level.So when the height of equipment to be debugged
When definition multimedia interface has equipment connection, whether need to judge according to hot plug detection signal access is display equipment.
Illustratively, access is commissioning device that PC machine is built, and hot plug detection signal does not have the variation of level, always
For low level.At this point, sending high-definition multimedia interface for Tx signal by signal sending circuit.Illustratively, Tx believes
It number can be sent to the DDC clock line or data circuit of interface；When interface access be the equipment such as the TV for display when,
It is high level that hot plug, which detects signal, and high level will make signal sending circuit be in the state that output is always 0, so
Hot plug detection signal is set to low level by measurement equipment to be checked.
In practical application, as shown in figure 5, signal sending circuit is by a NOT gate and one and Men Zucheng, when hot plug is examined
When to survey signal be low level, by being high level after NOT gate D1, for door D2, input terminal is Gao Pingdian, then with
The output of door is determined by another input terminal, so the output of D2 is exactly Tx signal itself.When hot plug detection signal is high electricity
Usually, hot plug detection signal is set to low level by equipment to be debugged, so as to export Tx signal by the output end of D2.This
Field technical staff it is understood that when show equipment access high-definition multimedia interface when, if it is desired to Tx signal is defeated
Out to other commissioning devices, it can be implemented as the prior art by the way of signal branch, the embodiment of the present invention is not done
It repeats.
As it can be seen that application present invention embodiment shown in FIG. 1, by signal sending circuit by the universal asynchronous of equipment to be debugged
The information of receiving-transmitting transmitter is sent to high-definition multimedia interface, so that the commissioning device being connected with interface is sent it to,
It solves and carries out debugging the Information Problems that can not obtain universal asynchronous receiving-transmitting transmitter in the prior art by USB interface.Cause
This, can export the information of universal asynchronous receiving-transmitting transmitter.
Fig. 2 is that another process of universal asynchronous receiving-transmitting transmitter information output method provided in an embodiment of the present invention is illustrated
Scheme, on the basis of embodiment shown in Fig. 1, increases step: S104 and S105.
S104 receives the debugging signal that the commissioning device is sent by the high-definition multimedia interface.
S105 generates the Rx signal of the universal asynchronous receiving-transmitting transmitter according to the debugging signal.
Specifically, described generate the Rx signal of the universal asynchronous receiving-transmitting transmitter according to the debugging signal, can incite somebody to action
The debugging signal generates the Rx signal of the universal asynchronous receiving-transmitting transmitter by signal generating circuit；
Wherein, for the signal generating circuit by the second NOT gate and second and Men Zucheng, the input terminal of second NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of second NOT gate is connected with described second with an input terminal of door,
Described second and the signal that another input terminal of door inputs are the debugging signal, and described second exports with the output end of door
Signal is the Rx signal generated.
It will be appreciated by persons skilled in the art that the Rx signal of universal asynchronous receiving-transmitting transmitter is for receiving order, it is real
Border in use, the debug command that commissioning device issues is transmitted to high-definition multimedia interface, interface by with universal asynchronous receipts
Corresponding debugging signal is generated Rx signal by the connection for sending out the route of transmitter Rx signal.
In practical application, as shown in figure 5, signal generating circuit is by a NOT gate and one and Men Zucheng, when hot plug is examined
When survey signal is low level, by being high level after NOT gate D3, for door D4, output is that commissioning device is dealt into high definition
The debugging signal of clear degree multimedia interface；When hot plug detection signal is high level, since equipment to be debugged is set to low electricity
It is flat, debugging signal also may be implemented and generate Rx signal.
In practical application, signal generating circuit can share a NOT gate with signal sending circuit, and debugging signal can be with
It is sent to the clock line or data circuit of the DDC of interface, uses different routes from Tx signal.Those skilled in the art
It is understood that this is that equipment to be debugged realizes the process for receiving the debug command that commissioning device is sent.
As it can be seen that application present invention embodiment shown in Fig. 2, is sent commissioning device by high-definition multimedia interface
The Rx signal that signal generates universal asynchronous receiving-transmitting transmitter is debugged, can be realized the debugging letter that equipment to be debugged receives commissioning device
Number.
Fig. 3 is a kind of structural representation of universal asynchronous receiving-transmitting transmitter information output apparatus provided in an embodiment of the present invention
Figure, may include: detection module 201, the first sending module 202, the second sending module 203.
Detection module 201, for passing through the high-definition multimedia interface when the equipment to be debugged and commissioning device
When connection, hot plug detection signal is detected.
First sending module 202, for when the detection module detects that hot plug detection signal is low level,
By signal sending circuit, the high-definition multimedia interface is sent by the Tx signal of universal asynchronous receiving-transmitting transmitter, with
The Tx signal is set to be output to the commissioning device by the high-definition multimedia interface.
Wherein, for the signal sending circuit by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of first NOT gate is connected with described first with an input terminal of door,
Described first and the signal that another input terminal of door inputs are the Tx signal, described first with the output end and the height of door
Definition multimedia interface is connected.
Second sending module 203, for when the detection module detects that hot plug detection signal is high level,
Low level is set by hot plug detection signal, and by the signal sending circuit, by universal asynchronous receiving-transmitting transmitter
Tx signal be sent to the high-definition multimedia interface so that the Tx signal passes through the high-definition multimedia interface
It is output to the commissioning device.
As it can be seen that application present invention embodiment shown in Fig. 3, by signal sending circuit by the universal asynchronous of equipment to be debugged
The information of receiving-transmitting transmitter is sent to high-definition multimedia interface, so that the commissioning device being connected with interface is sent it to,
It solves and carries out debugging the Information Problems that can not obtain universal asynchronous receiving-transmitting transmitter in the prior art by USB interface.Cause
This, can export the information of universal asynchronous receiving-transmitting transmitter.
Fig. 4 is another structural representation of universal asynchronous receiving-transmitting transmitter information output apparatus provided in an embodiment of the present invention
Scheme, on the basis of embodiment shown in Fig. 3, increases: receiving module 204 and generation module 205.
Receiving module 204, for receiving the debugging that the commissioning device is sent by the high-definition multimedia interface
Signal.
Generation module 205, for generating the Rx signal of the universal asynchronous receiving-transmitting transmitter according to the debugging signal.
Specifically, the debugging signal can be passed through signal generating circuit by the generation module 205 in practical application,
Generate the Rx signal of the universal asynchronous receiving-transmitting transmitter；
Wherein, for the signal generating circuit by the second NOT gate and second and Men Zucheng, the input terminal of second NOT gate is defeated
The signal entered is that hot plug detects signal, and the output end of second NOT gate is connected with described second with an input terminal of door,
Described second and the signal that another input terminal of door inputs are the debugging signal, and described second exports with the output end of door
Signal is the Rx signal generated.
As it can be seen that application present invention embodiment shown in Fig. 4, is sent commissioning device by high-definition multimedia interface
The Rx signal that signal generates universal asynchronous receiving-transmitting transmitter is debugged, can be realized the debugging letter that equipment to be debugged receives commissioning device
Number.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device reality
For applying example, since it is substantially similar to the method embodiment, so being described relatively simple, related place is referring to embodiment of the method
Part explanation.
Those of ordinary skill in the art will appreciate that all or part of the steps in realization above method embodiment is can
It is completed with instructing relevant hardware by program, the program can store in computer-readable storage medium,
The storage medium designated herein obtained, such as: ROM/RAM, magnetic disk, CD.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (4)
1. a kind of universal asynchronous receiving-transmitting transmitter information output method, which is characterized in that it is applied to equipment to be debugged, it is described wait adjust
Trying equipment has high-definition multimedia interface；
The described method includes:
When the equipment to be debugged is connect with commissioning device by the high-definition multimedia interface, hot plug is detected and is believed
It number is detected；
When detecting the hot plug detection signal is low level, by signal sending circuit, universal asynchronous receiving-transmitting is transmitted
The Tx signal of device is sent to the high-definition multimedia interface, so that the Tx signal is connect by the high-definition multimedia
Mouth is output to the commissioning device；
When detecting the hot plug detection signal is high level, low level is set by hot plug detection signal, and
By the signal sending circuit, the high-definition multimedia is sent by the Tx signal of universal asynchronous receiving-transmitting transmitter and is connect
Mouthful, so that the Tx signal is output to the commissioning device by the high-definition multimedia interface；
Wherein, the signal sending circuit is inputted by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate
Signal is that hot plug detects signal, and the output end of first NOT gate is connected with described first with an input terminal of door, described
First with the signal that another input terminal of door inputs is the Tx signal, the described first output end with door and the high-resolution
Multimedia interface is spent to be connected.
2. the method according to claim 1, wherein the method also includes:
The debugging signal that the commissioning device is sent is received by the high-definition multimedia interface；
According to the debugging signal, the Rx signal of the universal asynchronous receiving-transmitting transmitter is generated；
It is described according to the debugging signal, generate the Rx signal of the universal asynchronous receiving-transmitting transmitter, comprising:
By the debugging signal by signal generating circuit, the Rx signal of the universal asynchronous receiving-transmitting transmitter is generated；
Wherein, the signal generating circuit is inputted by the second NOT gate and second and Men Zucheng, the input terminal of second NOT gate
Signal is that hot plug detects signal, and the output end of second NOT gate is connected with described second with an input terminal of door, described
Second and the signal that another input terminal of door inputs are the debugging signal, the described second signal exported with the output end of door
For the Rx signal of generation.
3. a kind of universal asynchronous receiving-transmitting transmitter information output apparatus, which is characterized in that it is applied to equipment to be debugged, it is described wait adjust
Trying equipment has high-definition multimedia interface；
Described device includes:
Detection module is used for when the equipment to be debugged is connect with commissioning device by the high-definition multimedia interface,
Hot plug detection signal is detected；
First sending module, for passing through letter when the detection module detects that the hot plug detection signal is low level
Number transmitting line, sends the high-definition multimedia interface for the Tx signal of universal asynchronous receiving-transmitting transmitter, so that described
Tx signal is output to the commissioning device by the high-definition multimedia interface；
Second sending module will be described for when the detection module detects that hot plug detection signal is high level
Hot plug detection signal is set as low level, and by the signal sending circuit, the Tx of universal asynchronous receiving-transmitting transmitter is believed
Number it is sent to the high-definition multimedia interface, so that the Tx signal is output to by the high-definition multimedia interface
The commissioning device；
Wherein, the signal sending circuit is inputted by the first NOT gate and first and Men Zucheng, the input terminal of first NOT gate
Signal is that hot plug detects signal, and the output end of first NOT gate is connected with described first with an input terminal of door, described
First with the signal that another input terminal of door inputs is the Tx signal, the described first output end with door and the high-resolution
Multimedia interface is spent to be connected.
4. device according to claim 3, which is characterized in that described device further include: receiving module and generation module,
The receiving module is believed for receiving the debugging that the commissioning device is sent by the high-definition multimedia interface
Number；
The generation module, for generating the Rx signal of the universal asynchronous receiving-transmitting transmitter according to the debugging signal；
The generation module, is specifically used for:
By the debugging signal by signal generating circuit, the Rx signal of the universal asynchronous receiving-transmitting transmitter is generated；
Wherein, the signal generating circuit is inputted by the second NOT gate and second and Men Zucheng, the input terminal of second NOT gate
Signal is that hot plug detects signal, and the output end of second NOT gate is connected with described second with an input terminal of door, described
Second and the signal that another input terminal of door inputs are the debugging signal, the described second signal exported with the output end of door
For the Rx signal of generation.
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| CN101131658A (en) * | 2007-08-13 | 2008-02-27 | 中兴通讯股份有限公司 | Method for using information of synchronous serial interface output and asynchronous serial port debugging on DSP |
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