CN114595180B - Self-adaptive driving adjustment method, device and equipment for USB signal transmission - Google Patents

Self-adaptive driving adjustment method, device and equipment for USB signal transmission Download PDF

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CN114595180B
CN114595180B CN202210287642.9A CN202210287642A CN114595180B CN 114595180 B CN114595180 B CN 114595180B CN 202210287642 A CN202210287642 A CN 202210287642A CN 114595180 B CN114595180 B CN 114595180B
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debugging
driving
parameter
level
transmission channel
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CN114595180A (en
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李振乐
张志清
廖贻泳
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Shenzhen KTC Commercial Technology Co Ltd
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Shenzhen KTC Commercial Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/387—Information transfer, e.g. on bus using universal interface adapter for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0745—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in an input/output transactions management context
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0793—Remedial or corrective actions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

The invention discloses a self-adaptive driving adjustment method, a device and equipment for USB signal transmission, wherein the method comprises the following steps: if the input equipment access is detected, detecting whether the enumeration state between the input equipment and the input equipment is abnormal, if so, debugging the first driving parameter of the selected transmission channel step by step to obtain a first debugging result, and acquiring a grade parameter matched with the first debugging result to update the configuration of the first driving parameter; and debugging the second driving parameters of the transmission channel step by step to obtain a second debugging result, acquiring grade parameters matched with the second debugging result, configuring and updating the second driving parameters, and establishing USB communication connection according to the updated first driving parameters and the second driving parameters. The corresponding debugging result is obtained by adopting the step-by-step debugging method, the matched grade parameter is obtained based on the debugging result, and the drive is updated, so that the self-adaptive adjustment of the drive parameter of the USB transmission channel can be realized, and the compatibility and the stability of USB transmission are improved.

Description

Self-adaptive driving adjustment method, device and equipment for USB signal transmission
Technical Field
The present invention relates to the field of communication transmission technologies, and in particular, to a method, an apparatus, and a device for adaptive driving adjustment for USB signal transmission.
Background
As a data communication mode with wide application, USB (Universal Serial Bus) has the characteristics of high transmission speed, high compatibility and good power supply performance, and USB3.0 further improves the transmission speed of data on the basis of the conventional USB device. With the rapid development of multifunctional terminal equipment such as an all-in-one machine, functions such as USB and touch control are integrated in the terminal equipment such as the all-in-one machine, so that control signals input by a user in the all-in-one machine are synchronously transmitted to other terminals, synchronous control is performed on the other terminals, and the user can use the terminal equipment more conveniently. However, the USB cables used for connecting the integrated machine and the terminal are general wires, the USB cables in the market are different in material and length, and when the USB cables different in service performance are connected to the terminal and perform data communication, enumeration failure is likely to occur, so that the transmitted USB signals cannot be identified, the stability of the signals in the signal transmission process based on USB connection is poor, the signal transmission quality is affected, and the USB cables of various types are difficult to be compatible during UBS transmission, and the compatibility is poor. Therefore, the problem of poor stability and compatibility exists in the signal transmission process based on the USB connection in the prior art.
Disclosure of Invention
The embodiment of the invention provides a self-adaptive drive adjustment method, a self-adaptive drive adjustment device and self-adaptive drive adjustment equipment for USB signal transmission, and aims to solve the problem of poor stability and compatibility in the signal transmission process based on USB connection in the prior art.
In a first aspect, an embodiment of the present invention provides an adaptive driving adjustment method for USB signal transmission, where the method is applied to an adaptive driving adjustment device, the adaptive driving adjustment device is connected to an input device through a USB port for communication, and the adaptive driving adjustment device is connected to a terminal device through a plurality of transmission channels for communication, where the method includes:
if the input device is detected to be accessed, detecting whether the enumeration state between the input device and the input device is abnormal according to a preset enumeration protocol;
if the enumeration state is abnormal, debugging the first driving parameter of the selected transmission channel step by step according to a preset first-level debugging rule so as to obtain a corresponding first debugging result;
acquiring a grade parameter matched with the first debugging result from the first grade debugging rule, and performing configuration updating on a first driving parameter of the transmission channel;
debugging second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule to obtain a corresponding second debugging result;
acquiring a grade parameter matched with the second debugging result from the second grade debugging rule, and performing configuration updating on a second driving parameter of the transmission channel;
and establishing USB communication connection based on the transmission channel between the input equipment and the terminal equipment according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals.
In a second aspect, an embodiment of the present invention further provides an adaptive driving adjustment apparatus for USB signal transmission, configured in an adaptive driving adjustment device, where the adaptive driving adjustment device is connected to an input device through a USB port for communication, and the adaptive driving adjustment device is connected to a terminal device through a plurality of transmission channels for communication, where the apparatus includes:
an enumeration state detection unit, configured to detect whether an enumeration state between the input device and the terminal is abnormal according to a preset enumeration protocol if it is detected that the input device is accessed;
a first debugging result obtaining unit, configured to debug the first driving parameter of the selected transmission channel stage by stage according to a preset first-stage debugging rule if the enumeration state is abnormal, so as to obtain a corresponding first debugging result;
the first driving parameter configuration unit is used for acquiring a grade parameter matched with the first debugging result from the first grade debugging rule and configuring and updating a first driving parameter of the transmission channel;
the second debugging result obtaining unit is used for debugging second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule so as to obtain a corresponding second debugging result;
the second driving parameter configuration unit is used for acquiring the grade parameter matched with the second debugging result from the second grade debugging rule and configuring and updating the second driving parameter of the transmission channel;
and the connection establishing unit is used for establishing USB communication connection based on the transmission channel between the input equipment and the terminal equipment according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals.
In a third aspect, an embodiment of the present invention further provides an adaptive driving adjustment device for USB signal transmission, where the adaptive driving adjustment device is configured to implement the adaptive driving adjustment method for USB signal transmission according to the first aspect, and includes a multi-port repeater, a signal collector, a master controller, and a driving adjustment module;
the multi-port repeater is provided with at least one USB port, the drive adjusting module comprises a switching module and a plurality of transmission channels, the multi-port repeater is connected with the switching module, and the switching module is also connected with each transmission channel; the self-adaptive driving adjustment equipment is connected with input equipment through any one USB port to carry out communication; the self-adaptive driving adjustment equipment is connected with the terminal equipment through any transmission channel to carry out communication;
the signal collector is connected with the multi-port transponder to collect device signals of the input device, the main controller is connected with the signal collector to obtain the device signals and detect enumeration states, the main controller is also connected with the switching module and each transmission channel respectively, the main controller sends channel switching control signals to the switching module to switch the transmission channels, and the main controller sends driving control signals to the transmission channels to configure driving parameters.
In a fourth aspect, an embodiment of the present invention further provides an adaptive driving adjustment device for USB signal transmission, where the device includes a multi-port repeater, a signal collector, a main controller, and a driving adjustment module, a USB port provided on the multi-port repeater is used for being connected to an input device for communication, a transmission channel provided in the driving adjustment module is used for being connected to a terminal device for communication, the main controller includes a memory, a processor, and a computer program stored in the memory and operable on the processor, and the processor executes the computer program to implement the adaptive driving adjustment method for USB signal transmission according to the first aspect.
The embodiment of the invention provides a self-adaptive drive adjustment method, a self-adaptive drive adjustment device and equipment for USB signal transmission, wherein the method comprises the following steps: if the input device is detected to be accessed, detecting whether the enumeration state between the input device and the input device is abnormal, if the enumeration state is abnormal, debugging the first driving parameter of the selected transmission channel step by step to obtain a first debugging result, and acquiring a grade parameter matched with the first debugging result to carry out configuration updating on the first driving parameter; and debugging the second driving parameters of the transmission channel step by step to obtain a second debugging result, acquiring grade parameters matched with the second debugging result, configuring and updating the second driving parameters, and establishing the USB communication connection based on the transmission channel according to the updated first driving parameters and the second driving parameters. By the method, the corresponding debugging result is obtained by adopting a step-by-step debugging method, the matched grade parameter is obtained based on the debugging result, and the corresponding driving parameter is configured and updated, so that the driving parameter of the USB transmission channel can be adaptively adjusted, the compatibility of USB transmission is improved, and the stability of signal transmission is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a schematic flowchart of an adaptive driving adjustment method for USB signal transmission according to an embodiment of the present invention;
fig. 2 is a schematic view of an application scenario of the adaptive driving adjustment method for USB signal transmission according to an embodiment of the present invention;
fig. 3 is another schematic flow chart of an adaptive driving adjustment method for USB signal transmission according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of an adaptive driving adjustment method for USB signal transmission according to an embodiment of the present invention;
FIG. 5 is a schematic block diagram of an adaptive driving adjustment apparatus for USB signal transmission according to an embodiment of the present invention;
fig. 6 is a schematic hardware structure diagram of an adaptive driving adjustment device for USB signal transmission according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a main controller in an adaptive driving adjustment device for USB signal transmission according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 2 and fig. 6, fig. 1 is a schematic flow chart illustrating an adaptive driving adjustment method for USB signal transmission according to an embodiment of the present invention; fig. 2 is a schematic view of an application scenario of an adaptive driving adjustment method for USB signal transmission according to an embodiment of the present invention; fig. 6 is a schematic hardware structure diagram of an adaptive driving adjustment device for USB signal transmission according to an embodiment of the present invention. The adaptive driving adjustment method for USB signal transmission is applied to the adaptive driving adjustment device 10, the method is executed through application software installed in the adaptive driving adjustment device 10, and the method in the embodiment is applied to adaptive driving adjustment for USB3.0 signal transmission. The adaptive driving adjustment device 10 includes a multi-port repeater 11, a signal collector 12, a main controller 13, and a driving adjustment module 14. The multi-port repeater 11 is provided with at least one USB port, the driving adjustment module 14 includes a switching module 141 and a plurality of transmission channels 142, the multi-port repeater 11 is connected to the switching module 141, and the switching module 141 is further connected to each of the transmission channels 142; the adaptive driving adjustment device 10 is connected with the input device 20 through any one of the USB ports to perform communication; the adaptive driving adjustment device 10 is connected with the terminal device 30 through any one of the transmission channels to perform communication; the signal collector 12 is connected with the multi-port repeater 11 to collect and obtain device signals of the input device 20, the main controller 13 is connected with the signal collector 12 to obtain the device signals and perform enumeration state detection, the main controller 13 is further connected with the switching module 141 and each transmission channel 142, the main controller 13 sends channel switching control signals to the switching module 141 to switch transmission channels, and the main controller 13 sends driving control signals to the transmission channels to configure driving parameters. In an actual application process, the adaptive driving adjustment device 10 is connected to the terminal device 30 through one transmission channel 142, or is simultaneously connected to the terminal device 30 through a plurality of transmission channels 142, and the terminal device 30 can obtain transmitted data information from any transmission channel 142 to use as a current information source.
The adaptive driving adjustment device 10 is a device for performing an adaptive driving adjustment method for USB signal transmission to adjust driving parameters of a USB transmission channel, so as to establish a USB communication connection to implement USB signal transmission, and the input device 20 is a device for inputting corresponding data information, such as a tablet computer, a notebook computer, a desktop computer, and other devices having a display signal input function, so that the input device 20 can input a display signal to the terminal device 30 for display; the input device 20 may also be an external device having a data information storage function, such as a usb disk or a mobile hard disk, and the input device 20 may input the data information stored therein to the terminal device 30 for display; the terminal device 30 is a terminal device, such as a multifunctional integrated machine, a smart television, a large-screen display, a monitor, and an interactive electronic whiteboard, for acquiring and displaying input data information, and acquiring control signals input by a user and synchronously transmitting the control signals to the input device 20. The adaptive drive adjusting device 10 may be an independent device connected to the terminal device 30 outside the terminal device 30; the adaptive driving adjustment device 10 may also be integrated inside the terminal device 30 as a USB signal access device, so that the adaptive driving adjustment device 10 can be automatically started for use when the terminal device 30 is powered on.
As shown in fig. 1, the method includes steps S110 to S160.
And S110, if the input device access is detected, detecting whether the enumeration state between the input device and the input device is abnormal according to a preset enumeration protocol.
And if the input equipment is detected to be accessed, detecting whether the enumeration state between the input equipment and the input equipment is abnormal or not according to a preset enumeration protocol. Specifically, the multiport repeater may be configured to access an input device, and if a user accesses the input device to the multiport repeater and inputs selection information to select one transmission channel, the master controller sends a switching control signal to the switching module to switch the transmission channel, at this time, a USB communication connection is established through the currently selected transmission channel, the signal collector may collect device information and send the device information to the master controller, the master controller detects whether an enumeration state of the device information is normal according to an enumeration protocol, and may specifically read a device state value of a register in the multiport repeater through an inter-integrated circuit (ic) bus), where the enumeration protocol stores a state value of normal connection and a state value of abnormal connection, that is, whether the enumeration state is normal according to the device state value. If the enumeration state is normal, the drive parameters of the current transmission channel are not adjusted, and the bidirectional transmission of the USB signals can be directly realized based on the established USB communication connection.
In one embodiment, as shown in FIG. 3, step S110 is preceded by step S1101.
S1101, configuring the driving parameters of each transmission channel according to preset initial parameter information.
When the adaptive driving adjustment device 10 is powered on and starts to work, the driving parameters of each transmission channel can be configured according to the initial parameter information configured in advance, and after the input device is accessed, the USB communication connection can be established based on the initial parameter information configured in the transmission channel. In a specific embodiment, the driving parameters to be configured for each transmission channel include an EQ (Equalization adjustment) driving parameter and a DE (DE-emphasis adjustment) driving parameter, the initial parameter information includes an initial configuration parameter corresponding to the EQ driving parameter and an initial configuration parameter corresponding to the DE driving parameter, both sets of initial configuration parameters include initial line loss values configured correspondingly, and the two sets of initial configuration parameters constitute initial parameter information.
And S120, if the enumeration state is abnormal, debugging the first driving parameter of the selected transmission channel step by step according to a preset first-stage debugging rule so as to obtain a corresponding first debugging result.
And if the enumeration state is abnormal, debugging the first driving parameter of the selected transmission channel step by step according to a preset first-level debugging rule so as to obtain a corresponding first debugging result. If the enumeration state is abnormal, the current transmission channel cannot establish USB communication connection based on initial parameter information, a first driving parameter of the selected transmission channel can be debugged step by step according to a first-level debugging rule, the first driving parameter is an EQ driving parameter, the first-level debugging rule comprises a plurality of debugging levels, each debugging level corresponds to one level parameter, the level parameter corresponding to each debugging level can be sequentially used as the first driving parameter for configuration, and the enumeration state is detected through an enumeration protocol when the level parameter of each debugging level is configured, so that a corresponding first debugging result can be obtained.
In addition, before the step-by-step debugging, it is also required to confirm that an RX end (receiving end) and/or a TX end (transmitting end) are/is abnormal, and if the RX end is abnormal, the driving parameters corresponding to the RX end in the transmission channel are adjusted; and if the TX end is abnormal, adjusting the driving parameters corresponding to the TX end in the transmission channel.
In one embodiment, step S120 includes the sub-steps of: debugging the first driving parameter step by step according to the first-level debugging rule; judging whether the enumeration state of the first driving parameter is normal or not in real time according to information fed back by each debugging in the step-by-step debugging process; and recording all the debugging levels with normal enumeration states to obtain corresponding first debugging results.
Specifically, the level parameters corresponding to each debugging level may be sequentially configured as the first driving parameters and detected to obtain the enumeration state, so as to obtain feedback information, and determine whether the current enumeration state is normal based on the feedback state information, if the enumeration state is normal, record the debugging level corresponding to the current enumeration state, if the enumeration state is abnormal, continue to obtain other debugging levels and debug until all debugging levels complete the debugging process, and obtain all debugging levels in which the enumeration state is normal in the debugging process, so as to obtain the first debugging result.
For example, the first level debug rule includes A 1 ～A n N levels in total, where the debug level with normal enumeration state is denoted as { A k }，k∈[1，n]Wherein A is k The total number of (m) is m, i.e. the total number of debugging levels in the normal enumeration state, and m is less than or equal to n. Acquired set { A k The result is the first debugging result.
S130, obtaining a grade parameter matched with the first debugging result from the first grade debugging rule, and performing configuration updating on a first driving parameter of the transmission channel.
And acquiring a grade parameter matched with the first debugging result from the first grade debugging rule, and configuring and updating a first driving parameter of the transmission channel. The matched grade parameters can be obtained from the first-grade debugging rules according to the first debugging results, the first-grade debugging rules comprise a plurality of debugging grades, line loss values uniquely corresponding to the debugging grades and grade parameters uniquely corresponding to the debugging grades, the grade parameters matched with the first debugging results can be obtained from the first-grade debugging rules, the configuration updating is carried out on the first driving parameters, and the first driving parameters are updated to be the grade parameters matched with the first debugging results.
Some of the information contained in the first level debug rules is shown in table 1.
TABLE 1
Debugging level Line loss value
A 1 2dB
A 2 6dB
A 3 10dB
A 4 15dB
……
A n 65dB
In one embodiment, step S130 includes the sub-steps of: obtaining line loss values respectively corresponding to each debugging level contained in the first debugging result, and calculating to obtain corresponding first line loss average values; acquiring a debugging grade in the first-grade debugging rule, wherein the line loss value is closest to the first line loss average value and is used as an optimal debugging grade; and acquiring a grade parameter corresponding to the preferred debugging grade and updating the configuration of the first driving parameter.
Specifically, a line loss value corresponding to each debugging level included in the first debugging result can be obtained, and the unit is dB; the level parameters of the debugging levels included in the first debugging result can be averaged to obtain a first line loss average value, and the unit of the first line loss average value is also dB. The debugging level closest to the first average loss value can be obtained from the first-level debugging rules as a preferred debugging level, and if the first average loss value is 16.2dB, the debugging level A closest to the first average loss value is determined 4 As the preferred level of debugging. Obtaining grade parameters corresponding to the preferred debugging grade to carry out configuration updating on the first driving parameters, wherein the grade parameters comprise parameter information related to driving, such as communication protocols, driving configuration and the like, and the preferred debugging grade A can be obtained 4 And carrying out configuration updating on the corresponding grade parameter and the first driving parameter.
And S140, debugging the second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule to obtain a corresponding second debugging result.
And debugging the second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule to obtain a corresponding second debugging result. The second-level debugging rule comprises a plurality of debugging levels and level parameters corresponding to each debugging level, and second driving parameters of the transmission channel can be debugged step by step according to the second-level debugging rule, wherein the second driving parameters are DE driving parametersAnd (4) parameters. Specifically, B may be included in the second level debug rule 1 ～B i In addition, the number of debugging levels contained in the second level debugging rule can also be equal to the number of debugging levels in the first level debugging rule. Obtaining a second debugging result by the same method as the step S120, wherein the second debugging result can adopt a set { B } j Denotes where j ∈ [1,n ]]，B j The total number of (b) is p, i.e. the total number of debugging levels in the normal enumeration state, and p is less than or equal to i.
S150, obtaining the grade parameter matched with the second debugging result from the second grade debugging rule, and updating the configuration of the second driving parameter of the transmission channel.
And acquiring the grade parameter matched with the second debugging result from the second grade debugging rule, and configuring and updating the second driving parameter of the transmission channel. The matched level parameters can be obtained from the second-level debugging rules according to the second debugging results, the second-level debugging rules comprise a plurality of debugging levels and level parameters uniquely corresponding to each debugging level, the level parameters matched with the second debugging results can be obtained from the second-level debugging rules, the second driving parameters are configured and updated, and the second driving parameters are updated to be the level parameters matched with the first debugging results.
In one embodiment, step S150 includes the sub-steps of: obtaining line loss values respectively corresponding to each debugging level contained in the second debugging result, and calculating to obtain corresponding second line loss average values; acquiring a debugging level in the second-level debugging rule, wherein the line loss value is closest to the second line loss average value and serves as an alternative debugging level; judging whether a line loss difference value between the line loss value of the alternative debugging level and the initial line loss value of the second driving parameter is larger than a preset judgment value or not; and if the line loss difference value is not greater than the judgment value, acquiring a level parameter corresponding to the alternative debugging level and updating the configuration of the second driving parameter.
Specifically, a level parameter corresponding to each debugging level included in the second debugging result can be obtained, where the level parameter is a line loss value and has a unit of dB; the level parameters of the debugging levels included in the second debugging result can be averaged to obtain a second average line loss value, and the unit of the second average line loss value is also dB. The debugging level closest to the second line loss average value can be obtained from the second-level debugging rule to serve as an alternative debugging level, a line loss difference value between a line loss value of the alternative debugging level and an initial line loss value of the second driving parameter is further obtained, the line loss difference value can be represented by an absolute value, the line loss difference value is a numerical value not less than zero, and whether the line loss difference value is larger than a preset judgment value or not is judged. If the calculated line loss difference is 0.6dB and the judgment value is 2dB, the line loss difference can be judged to be not greater than the judgment value. And if the line loss difference value is not greater than the judgment value, directly acquiring the grade parameter corresponding to the alternative grade to perform configuration updating on the second driving parameter.
After the configuration updating of the first driving parameter and the second driving parameter is completed, the updated first driving parameter and the updated second driving parameter can be stored as default parameters corresponding to the current transmission channel, and the stored default parameters are directly acquired after the next startup so as to configure the driving parameters of the transmission channel.
In an embodiment, after determining whether a line loss difference value between the line loss value of the candidate debug level and the initial line loss value of the second driving parameter is greater than a preset determination value, the method further includes: if the line loss difference value is larger than the judgment value, calculating the initial line loss value and the second line loss average value according to a preset correction formula to obtain a corresponding correction value; acquiring a debugging level, closest to the line loss value and the correction value, in the second-level debugging rule as a target debugging level; acquiring a level parameter corresponding to the target debugging level and updating the configuration of the second driving parameter; and returning to the step of executing the step of debugging the first driving parameter of the selected transmission channel stage by stage according to the preset first-stage debugging rule so as to obtain a corresponding first debugging result.
If the line loss difference value is larger than the judgment value, the initial line loss value and the second line loss average value can be calculated according to a preset correction formula, so that a corresponding correction value is obtained. If the correction formula can be expressed by formula (1):
X B ＝0.8×B d +0.2×B (2)；
wherein X B As a correction value, B d And B is an initial line loss value, B is a second line loss average value, the debugging grade with the closest line loss value is obtained from the second alternative debugging rule based on the correction value and serves as a target debugging grade, grade parameters corresponding to the target debugging grade are obtained, and the second driving parameters are configured and updated. After the above steps are completed, the process returns to the steps S120 to S160.
In one embodiment, as shown in fig. 4, steps S1201, S1202, S140, S1401, S150, S1402, S1403 and S160 are further included after step S120.
S1201, judging whether the debugging level number contained in the first debugging result is zero or not; and if the debugging level number included in the first debugging result is not zero, executing the step of obtaining the level parameter matched with the first debugging result from the first level debugging rule, and performing configuration updating on the first driving parameter of the transmission channel. And S1202, if the number of the debugging levels included in the first debugging result is zero, obtaining a level parameter corresponding to the middle debugging level in the first level debugging rule, and updating the configuration of the first driving parameter.
The method may determine whether the number of the debugging levels included in the first debugging result is zero, indicate that the set corresponding to the first debugging result is empty if the number of the debugging levels is zero, and indicate that the set corresponding to the first debugging result is not empty if the number of the debugging levels is not zero. If the number of debugging levels is not zero, the subsequent steps are continuously executed, that is, the steps S130 to S160 are continuously executed. If the number of the debugging levels is zero, an intermediate debugging level in the first-level debugging rule can be obtained, and the first driving parameter is configured and updated according to the level parameter corresponding to the intermediate debugging level. For example, the first level debug rule includes 11 debug levels, and the middle debug level is debug level a 6 Can obtain debugging level A 6 And the corresponding grade parameter carries out configuration updating on the first driving parameter. Specifically, the determination of the intermediate debugging level may be obtained by rounding the calculation result of (n + 1)/2, where n is the total number of debugging levels included in the first-level debugging rule.
S140, debugging second driving parameters of the transmission channel step by step according to a preset second-step debugging rule to obtain a corresponding second debugging result; s1401, judge whether the number of debugging levels included in the said second debugging result is zero; and if the number of the debugging levels contained in the second debugging result is not zero, acquiring a level parameter matched with the second debugging result from the second level debugging rule, and configuring and updating a second driving parameter of the transmission channel.
After the configuration update of the first driving parameter is completed, a second debugging result can be correspondingly obtained according to the second level debugging rule, meanwhile, whether the number of the debugging levels included in the second debugging result is zero or not is judged, if not, a matched level parameter can be obtained according to the second debugging result, and the configuration update of the second driving parameter is performed, that is, the step S150 is continuously performed. If the number of the debugging levels contained in the second debugging result is zero, the current USB3.0 can be switched to the NC end (the USB3.0 connection is disconnected, and RX +/RX-/TX +/TX-is switched to the NC), the current USB transmission channel speed is the USB2.0 speed, and a USB2.0 signal line (D +/D-) is reserved to obtain the maximum compatibility and ensure that the USB communication connection is normal.
S1402, debugging the first driving parameter of the transmission channel step by step according to the first-level debugging rule to obtain a corresponding third debugging result; s1403, obtaining a level parameter matched with the third debugging result from the first level debugging rule, and performing configuration update on the first driving parameter of the transmission channel; and S160, establishing a USB communication connection based on the transmission channel between the input device and the terminal device according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals.
After the second driving parameter is configured and updated in the above steps, the first driving parameter may be debugged step by step according to the first-level debugging rule again, and a third debugging result is obtained, where a specific step of obtaining the third debugging result is the same as a specific step of obtaining the first debugging result, and details are not described here. And obtaining the matched level parameter from the first level debugging rule according to the third debugging result, and performing configuration updating on the first driving parameter again, where the process of performing configuration updating on the first driving parameter according to the third debugging result is the same as the specific step of performing configuration updating on the first driving parameter according to the first debugging result, and details are not described herein.
And S160, establishing a USB communication connection based on the transmission channel between the input device and the terminal device according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals.
And establishing USB communication connection between the input equipment and the terminal equipment based on the updated first driving parameter and the updated second driving parameter, wherein the established USB communication connection is also the communication connection established according to the selected transmission channel, and the bidirectional transmission of USB signals between the input equipment and the terminal equipment can be realized based on the established USB communication connection.
The method comprises the steps of obtaining a corresponding debugging result by adopting a step-by-step debugging method, obtaining matched grade parameters based on the debugging result, and respectively configuring and updating a first driving parameter and a second driving parameter of a transmission channel, so that the driving parameters of the USB transmission channel can be adaptively adjusted, the configured driving parameters meet the connection requirements of the currently used USB cable, the driving adaptive adjustment taking the high performance of USB signals as priority is realized, the stability of USB signal transmission is greatly improved, and the USB signals can be stably transmitted between input equipment and terminal equipment; and various USB cables can be adapted by adjusting the driving parameters, so that the application range of the self-adaptive driving adjusting equipment is expanded, the universality of the equipment is greatly improved, the compatibility of USB transmission is improved, and an excellent use effect is achieved in the practical application process.
According to the self-adaptive drive adjustment method for USB signal transmission provided by the embodiment of the invention, if the input device access is detected, whether the enumeration state between the input device and the self-adaptive drive adjustment method is abnormal is detected, if the enumeration state is abnormal, the first drive parameter of a selected transmission channel is debugged step by step to obtain a first debugging result, and a grade parameter matched with the first debugging result is obtained to configure and update the first drive parameter; and debugging the second driving parameters of the transmission channel step by step to obtain a second debugging result, acquiring grade parameters matched with the second debugging result, configuring and updating the second driving parameters, and establishing the USB communication connection based on the transmission channel according to the updated first driving parameters and the second driving parameters. By the method, the corresponding debugging result is obtained by adopting a step-by-step debugging method, the matched grade parameter is obtained based on the debugging result, and the corresponding driving parameter is configured and updated, so that the driving parameter of the USB transmission channel can be adaptively adjusted, the compatibility of USB transmission is improved, and the stability of signal transmission is greatly improved.
The embodiment of the present invention further provides an adaptive driving adjustment apparatus 100 for USB signal transmission, where the adaptive driving adjustment apparatus 100 for USB signal transmission is configured in the above adaptive driving adjustment device 10 for USB signal transmission, and the adaptive driving adjustment apparatus 100 for USB signal transmission is configured to execute any of the foregoing adaptive driving adjustment methods for USB signal transmission. Specifically, referring to fig. 5, fig. 5 is a schematic block diagram of an adaptive driving adjustment apparatus 100 for USB signal transmission according to an embodiment of the present invention.
As shown in fig. 5, the adaptive driving adjustment apparatus 100 for USB signal transmission includes an enumeration state detection unit 110, a first debug result obtaining unit 120, a first driving parameter configuration unit 130, a second debug result obtaining unit 140, a second driving parameter configuration unit 150, and a connection establishing unit 160.
An enumeration state detection unit 110, configured to detect, according to a preset enumeration protocol, whether an enumeration state between the input device and the input device is abnormal if it is detected that the input device is accessed.
A first debugging result obtaining unit 120, configured to, if the enumeration state is abnormal, debug the first driving parameter of the selected transmission channel stage by stage according to a preset first-stage debugging rule, so as to obtain a corresponding first debugging result.
A first driving parameter configuring unit 130, configured to obtain a level parameter matching the first debugging result from the first level debugging rule, and configure and update the first driving parameter of the transmission channel.
The second debugging result obtaining unit 140 is configured to debug the second driving parameter of the transmission channel step by step according to a preset second-level debugging rule, so as to obtain a corresponding second debugging result.
And a second driving parameter configuration unit 150, configured to obtain, from the second-level debug rule, a level parameter matched with the second debug result, and perform configuration updating on the second driving parameter of the transmission channel.
A connection establishing unit 160, configured to establish a USB communication connection between the input device and the terminal device based on the transmission channel according to the updated first driving parameter and the updated second driving parameter, so as to implement bidirectional transmission of USB signals.
The adaptive drive adjusting device for USB signal transmission provided in the embodiment of the present invention applies the above adaptive drive adjusting method for USB signal transmission, and if it is detected that an input device is accessed, it detects whether an enumeration state between the device and the input device is abnormal, if there is an abnormality, it performs stepwise debugging on a first drive parameter of a selected transmission channel to obtain a first debugging result, and obtains a level parameter matched with the first debugging result to perform configuration updating on the first drive parameter; and debugging the second driving parameters of the transmission channel step by step to obtain a second debugging result, acquiring grade parameters matched with the second debugging result, configuring and updating the second driving parameters, and establishing the USB communication connection based on the transmission channel according to the updated first driving parameters and the second driving parameters. By the method, the corresponding debugging result is obtained by adopting a step-by-step debugging method, the matched grade parameter is obtained based on the debugging result, and the corresponding driving parameter is configured and updated, so that the driving parameter of the USB transmission channel can be adaptively adjusted, the compatibility of USB transmission is improved, and the stability of signal transmission is greatly improved.
The above-described adaptive driving adjustment apparatus 100 for USB signal transmission may be implemented in the form of an adaptive driving adjustment device 10 for USB signal transmission. Referring to fig. 6, fig. 6 is a schematic diagram of a hardware structure of an adaptive driving adjustment device for USB signal transmission according to an embodiment of the present invention, where the adaptive driving adjustment device 10 for USB signal transmission includes a multi-port repeater 11, a signal collector 12, a main controller 13, and a driving adjustment module 14. The multi-port repeater 11 is provided with at least one USB port, the driving adjustment module 14 includes a switching module 141 and a plurality of transmission channels 142, the multi-port repeater 11 is connected to the switching module 141, and the switching module 141 is further connected to each of the transmission channels 142; the adaptive driving adjustment device 10 is connected with the input device 20 through any one of the USB ports to perform communication; the adaptive driving adjustment device 10 is connected with the terminal device 30 through any one of the transmission channels to perform communication; the signal collector 12 is connected to the multiport transponder 11 to collect device signals of the input device 20, the main controller 13 is connected to the signal collector 12 to obtain the device signals and perform enumeration state detection, the main controller 13 is further connected to the switching module 141 and each of the transmission channels 142, the main controller 13 sends a channel switching control signal to the switching module 141 to switch the transmission channels, and the main controller 13 sends a driving control signal to the transmission channels to configure driving parameters. In an actual application process, the adaptive driving adjustment device 10 is connected to the terminal device 30 through one transmission channel 142, or is simultaneously connected to the terminal device 30 through a plurality of transmission channels 142, and the terminal device 30 can obtain transmitted data information from any transmission channel 142 to use as a current information source.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a main controller in an adaptive driving adjustment device for USB signal transmission according to an embodiment of the present invention, as shown in fig. 7, the main controller 13 includes a memory 131, a processor 132, and a computer program 133 stored in the memory 131 and executable on the processor 132, the processor 132 is used for providing computing and controlling capabilities, supporting the operation of the adaptive driving adjustment device 10 for USB signal transmission, the memory 131 may store the computer program 133, and when the computer program 133 is executed by the processor 132, the processor 132 may execute an adaptive driving adjustment method for USB signal transmission.
It will be appreciated by those skilled in the art that the embodiment of the adaptive drive adjustment device 10 for USB signal transmission shown in fig. 7 does not constitute a limitation on the specific construction of the adaptive drive adjustment device 10 for USB signal transmission, and in other embodiments, the adaptive drive adjustment device 10 for USB signal transmission may include more components than shown, or combine certain components, or arrange different components.
It should be understood that, in the embodiment of the present invention, the Processor 132 may be a Central Processing Unit (CPU), and the Processor 132 may also be other general-purpose processors, digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. The general purpose processor 132 may be a microprocessor, or the processor may be any conventional processor, etc. In the embodiment of the present invention, the memory 131 may be a volatile storage medium or a nonvolatile storage medium.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. An adaptive driving adjustment method for USB signal transmission, applied to an adaptive driving adjustment device, wherein the adaptive driving adjustment device is connected with an input device through a USB port for communication, and the adaptive driving adjustment device is respectively connected with a terminal device through a plurality of transmission channels for communication, the method comprising:
if the input device is detected to be accessed, detecting whether the enumeration state between the input device and the input device is abnormal or not according to a preset enumeration protocol;
if the enumeration state is abnormal, debugging the first driving parameter of the selected transmission channel step by step according to a preset first-level debugging rule so as to obtain a corresponding first debugging result;
acquiring a grade parameter matched with the first debugging result from the first grade debugging rule, and performing configuration updating on a first driving parameter of the transmission channel;
debugging second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule to obtain a corresponding second debugging result;
acquiring a level parameter matched with the second debugging result from the second level debugging rule, and configuring and updating a second driving parameter of the transmission channel;
establishing USB communication connection based on the transmission channel between the input equipment and the terminal equipment according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals;
the step-by-step debugging of the first driving parameter of the selected transmission channel according to the preset first-step debugging rule to obtain the corresponding first debugging result includes:
debugging the first driving parameter step by step according to the first-level debugging rule;
judging whether the enumeration state of the first driving parameter is normal in real time according to information fed back by each debugging in the step-by-step debugging process;
and recording all the debugging levels with normal enumeration states to obtain corresponding first debugging results.
2. The adaptive driving adjustment method for USB signal transmission according to claim 1, wherein before detecting whether the enumeration status between the input device and the USB signal transmission is abnormal according to a preset enumeration protocol, the method further comprises:
and configuring the driving parameters of each transmission channel according to preset initial parameter information.
3. The adaptive driving adjustment method for USB signal transmission according to claim 1, wherein the obtaining a class parameter matching the first debugging result from the first class debugging rule, and performing configuration update on the first driving parameter of the transmission channel includes:
obtaining line loss values respectively corresponding to each debugging level contained in the first debugging result, and calculating to obtain corresponding first line loss average values;
acquiring a debugging level in the first-level debugging rule, wherein the line loss value is closest to the first line loss average value and serves as a preferred debugging level;
and acquiring a grade parameter corresponding to the preferred debugging grade and updating the configuration of the first driving parameter.
4. The adaptive driving adjustment method for USB signal transmission according to claim 1, wherein the obtaining a level parameter matching the second debugging result from the second level debugging rule, and performing configuration update on a second driving parameter of the transmission channel includes:
obtaining line loss values respectively corresponding to each debugging level contained in the second debugging result, and calculating to obtain corresponding second line loss average values;
acquiring a debugging level in the second-level debugging rule, wherein the line loss value is closest to the second line loss average value and serves as an alternative debugging level;
judging whether a line loss difference value between the line loss value of the alternative debugging level and the initial line loss value of the second driving parameter is larger than a preset judgment value or not;
and if the line loss difference value is not greater than the judgment value, acquiring a level parameter corresponding to the alternative debugging level and updating the configuration of the second driving parameter.
5. The adaptive driving adjustment method for USB signal transmission according to claim 4, wherein after determining whether a line loss difference between the line loss value of the candidate debug level and the initial line loss value of the second driving parameter is greater than a preset determination value, the method further comprises:
if the line loss difference value is larger than the judgment value, calculating the initial line loss value and the second line loss average value according to a preset correction formula to obtain a corresponding correction value;
acquiring a debugging level, closest to the line loss value and the correction value, in the second-level debugging rule as a target debugging level;
acquiring a level parameter corresponding to the target debugging level and updating the configuration of the second driving parameter;
and returning to the step of executing the step of debugging the first driving parameter of the selected transmission channel stage by stage according to the preset first-stage debugging rule so as to obtain a corresponding first debugging result.
6. The adaptive driving adjustment method for USB signal transmission according to claim 1, wherein after the step-by-step debugging the first driving parameter of the selected one transmission channel according to a preset first-step debugging rule to obtain a corresponding first debugging result, the method further comprises:
judging whether the debugging level number contained in the first debugging result is zero or not;
if the number of debugging levels contained in the first debugging result is not zero, executing the step of obtaining a level parameter matched with the first debugging result from the first level debugging rule and carrying out configuration updating on a first driving parameter of the transmission channel;
if the number of the debugging levels included in the first debugging result is zero, obtaining a level parameter corresponding to an intermediate debugging level in the first level debugging rule to perform configuration updating on the first driving parameter;
debugging second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule to obtain a corresponding second debugging result;
judging whether the number of debugging levels contained in the second debugging result is zero or not;
if the number of debugging levels contained in the second debugging result is not zero, acquiring a level parameter matched with the second debugging result from the second level debugging rule, and configuring and updating a second driving parameter of the transmission channel;
debugging the first driving parameters of the transmission channel step by step according to the first-level debugging rule to obtain a corresponding third debugging result;
acquiring a grade parameter matched with the third debugging result from the first grade debugging rule, and performing configuration updating on a first driving parameter of the transmission channel;
and establishing USB communication connection based on the transmission channel between the input equipment and the terminal equipment according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals.
7. An adaptive driving adjustment apparatus for USB signal transmission, configured in an adaptive driving adjustment device connected to an input device through a USB port for communication, the adaptive driving adjustment device being connected to a terminal device through a plurality of transmission channels for communication, respectively, the apparatus comprising:
the enumeration state detection unit is used for detecting whether an enumeration state between the input device and the input device is abnormal or not according to a preset enumeration protocol if the input device is detected to be accessed;
a first debugging result obtaining unit, configured to, if the enumeration state is abnormal, debug the first driving parameter of the selected one transmission channel step by step according to a preset first-level debugging rule to obtain a corresponding first debugging result;
the first driving parameter configuration unit is used for acquiring a grade parameter matched with the first debugging result from the first grade debugging rule and configuring and updating a first driving parameter of the transmission channel;
the second debugging result obtaining unit is used for debugging second driving parameters of the transmission channel step by step according to a preset second-stage debugging rule so as to obtain a corresponding second debugging result;
the second driving parameter configuration unit is used for acquiring the grade parameter matched with the second debugging result from the second grade debugging rule and configuring and updating the second driving parameter of the transmission channel;
the connection establishing unit is used for establishing USB communication connection based on the transmission channel between the input equipment and the terminal equipment according to the updated first driving parameter and the updated second driving parameter so as to realize bidirectional transmission of USB signals;
the step-by-step debugging the first driving parameter of the selected transmission channel according to the preset first-step debugging rule to obtain a corresponding first debugging result comprises the following steps:
debugging the first driving parameter step by step according to the first-level debugging rule;
judging whether the enumeration state of the first driving parameter is normal in real time according to information fed back by each debugging in the step-by-step debugging process;
and recording all the debugging levels with normal enumeration states to obtain corresponding first debugging results.
8. An adaptive driving adjustment device for USB signal transmission, characterized in that the adaptive driving adjustment device is used for implementing the adaptive driving adjustment method for USB signal transmission according to any one of claims 1-6, and the device comprises a multi-port repeater, a signal collector, a main controller and a driving adjustment module;
the multi-port repeater is provided with at least one USB port, the drive adjusting module comprises a switching module and a plurality of transmission channels, the multi-port repeater is connected with the switching module, and the switching module is also connected with each transmission channel; the self-adaptive driving adjustment equipment is connected with input equipment through any one USB port to carry out communication; the self-adaptive driving adjustment equipment is connected with the terminal equipment through any transmission channel to carry out communication;
the signal collector is connected with the multi-port transponder to collect device signals of the input device, the main controller is connected with the signal collector to obtain the device signals and detect enumeration states, the main controller is also connected with the switching module and each transmission channel respectively, the main controller sends channel switching control signals to the switching module to switch the transmission channels, and the main controller sends driving control signals to the transmission channels to configure driving parameters.
9. An adaptive driving adjustment device for USB signal transmission, the device comprising a multi-port repeater, a signal collector, a main controller and a driving adjustment module, wherein a USB port provided on the multi-port repeater is used for connecting with an input device for communication, a transmission channel provided in the driving adjustment module is used for connecting with a terminal device for communication, the main controller comprises a memory, a processor and a computer program stored on the memory and operable on the processor, and the processor executes the computer program to implement the adaptive driving adjustment method for USB signal transmission according to any one of claims 1 to 6.
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