CN106325850A - Method and device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity - Google Patents
Method and device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity Download PDFInfo
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- CN106325850A CN106325850A CN201610630116.2A CN201610630116A CN106325850A CN 106325850 A CN106325850 A CN 106325850A CN 201610630116 A CN201610630116 A CN 201610630116A CN 106325850 A CN106325850 A CN 106325850A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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Abstract
The invention discloses a method and a device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity. The method comprises the following steps: obtaining temperature parameter and humidity parameter of current environment; selecting optimal ReDriver configuration parameter corresponding to the temperature parameter and the humidity parameter; configuring the optimal ReDriver configuration parameter to EEPROM; loading the optimal ReDriver configuration parameter from EEPROM via the ReDriver when the system is started, and enabling the system to start operating. The method and the device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity are capable of ensuring that the ReDriver configuration parameter is an optimal value in the client environment, reducing signal transmission error rate and improving the reliability of the system.
Description
Technical field
The invention belongs to signal transmission apparatus technical field, particularly relate to a kind of based on humiture self-adaptative adjustment
The method and apparatus of ReDriver configuration parameter.
Background technology
Along with signal frequency is more and more higher, the distance that signal can transmit on board is shorter and shorter, a lot of occasions, for
The system design of some complexity, the most multistage board is mutual, not only extends signal transmission distance, and introduces multiple connection
Device causes signal transmission environment more to deteriorate, and actual channel can not meet far away the high speed signal requirement to channel.In order to solve
High speed signal SI (signal integrity) problem under distance complex environment, a lot of designs introduce ReDriver device and increase
Strong signal drives.
The configuration of ReDriver to carry out debugging according to the practical topology of board and to optimize, and chooses optimal parameter.Conventional
Method for designing be development by SI engineer according to system design measure tuning, choose optimum write
The configuration ROM of ReDriver or configured by the Strap Pin of ReDriver, during volume production, all boards use unified
Configuration parameter.
But, the measurement optimization of SI engineer is usually and carries out under laboratory ambient temperature, and different user rs environments
In, temperature and humidity parameter is not quite similar, and this will directly affect the electric parameter of PCB, the especially insertion to high speed signal and damage
Consumption impact is huge, and this allows for the ReDriver configuration that laboratory records not is the optimal allocation under user rs environment, thus increases
Plus signal transmission error rates, in certain extreme cases, causes system mistake, affects systematic function and reliability.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of based on humiture self-adaptative adjustment ReDriver configuration parameter
Method and apparatus, it is possible to ensure that ReDriver configuration parameter is the optimal value under user rs environment, reduce signal transmission error rates, carry
The reliability of high system.
A kind of based on humiture self-adaptative adjustment ReDriver configuration parameter the method that the present invention provides, including:
Obtain temperature parameter and the humidity parameter of current environment；
Choose the optimal ReDriver configuration parameter corresponding with described temperature parameter and described humidity parameter；
Described optimal ReDriver configuration parameter is configured in EEPROM；
When system boot, ReDriver loads described optimal ReDriver configuration parameter, system from described EEPROM
Start working.
Preferably, in above-mentioned method based on humiture self-adaptative adjustment ReDriver configuration parameter,
Before the temperature parameter and humidity parameter of described acquisition current environment, also include:
Under different temperature parameters and humidity parameter regulate ReDriver configuration parameter, and determine each temperature parameter and
Optimal ReDriver configuration parameter under humidity parameter；
Store temperature parameter and humidity parameter and optimal ReDriver configuration parameter one to one.
Preferably, in above-mentioned method based on humiture self-adaptative adjustment ReDriver configuration parameter, described by described
Optimal ReDriver configuration parameter also includes before being configured in EEPROM:
By the SEL signal switching controller to described EEPROM.
Preferably, in above-mentioned method based on humiture self-adaptative adjustment ReDriver configuration parameter, described by described
Optimal ReDriver configuration parameter also includes after being configured in EEPROM:
By the SEL signal release controller to described EEPROM.
A kind of based on humiture self-adaptative adjustment ReDriver configuration parameter the device that the present invention provides, including:
Acquiring unit, for obtaining temperature parameter and the humidity parameter of current environment；
Choose unit, for choosing the optimal ReDriver configuration corresponding with described temperature parameter and described humidity parameter
Parameter；
Dispensing unit, for being configured to described optimal ReDriver configuration parameter in EEPROM；
Loading unit, for when system boot, ReDriver loads described optimal ReDriver from described EEPROM
Configuration parameter, system starts.
Preferably, in above-mentioned device based on humiture self-adaptative adjustment ReDriver configuration parameter,
Determine unit, for regulating ReDriver configuration parameter under different temperature parameters and humidity parameter, and determine
Optimal ReDriver configuration parameter under each temperature parameter and humidity parameter；
Memory element, is used for storing temperature parameter and humidity parameter and optimal ReDriver configuration one to one and joins
Number.
Preferably, in above-mentioned device based on humiture self-adaptative adjustment ReDriver configuration parameter, also include:
Switch unit, before being configured in EEPROM by described optimal ReDriver configuration parameter, by SEL signal
The switching controller to described EEPROM.
Preferably, in above-mentioned device based on humiture self-adaptative adjustment ReDriver configuration parameter, also include:
Releasing unit, after being configured in EEPROM by described optimal ReDriver configuration parameter, by SEL signal
The release controller to described EEPROM.
Preferably, in above-mentioned device based on humiture self-adaptative adjustment ReDriver configuration parameter, described acquisition is single
Unit includes temperature sensor and humidity sensor.
Preferably, in above-mentioned device based on humiture self-adaptative adjustment ReDriver configuration parameter, described in choose list
First and described dispensing unit is BMC firmware.
By foregoing description, the one that the present invention provides is based on humiture self-adaptative adjustment ReDriver configuration parameter
Method and apparatus, owing to first obtaining temperature parameter and the humidity parameter of current environment, then choose and described temperature parameter and institute
State the optimal ReDriver configuration parameter that humidity parameter is corresponding, then described optimal ReDriver configuration parameter is configured to
In EEPROM, finally, when system boot, ReDriver loads described optimal ReDriver configuration ginseng from described EEPROM
Number, system starts, therefore, it is possible to ensure that ReDriver configuration parameter is the optimal value under user rs environment, reduces signal transmission
The bit error rate, improves the reliability of system.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The first side based on humiture self-adaptative adjustment ReDriver configuration parameter that Fig. 1 provides for the embodiment of the present application
The schematic diagram of method；
The first dress based on humiture self-adaptative adjustment ReDriver configuration parameter that Fig. 2 provides for the embodiment of the present application
The schematic diagram put；
Fig. 3 is the concrete scheme enforcement figure of the embodiment of the present application.
Detailed description of the invention
The core concept of the present invention is to provide a kind of side based on humiture self-adaptative adjustment ReDriver configuration parameter
Method and device, it is possible to ensure that ReDriver configuration parameter is the optimal value under user rs environment, reduce signal transmission error rates, improve
The reliability of system.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The first method based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides is such as
Shown in Fig. 1, the first side based on humiture self-adaptative adjustment ReDriver configuration parameter that Fig. 1 provides for the embodiment of the present application
The schematic diagram of method.The method comprises the steps:
S1: obtain temperature parameter and the humidity parameter of current environment；
Owing to user environment varies, therefore select correspondence according to the temperature and humidity of user's current environment
ReDriver configuration parameter, it becomes possible to ensure the reliability of system.
S2: choose the optimal ReDriver configuration parameter corresponding with described temperature parameter and described humidity parameter；
It should be noted that the corresponding relation between temperature parameter and humidity parameter and optimal ReDriver configuration parameter can
To pre-set, it is stored in relevant hardware, thus can choose the optimal of correspondence according to each group of parameter
Parameter, thus ensure the optimum state of system.
S3: described optimal ReDriver configuration parameter is configured in EEPROM；
S4: when system boot, ReDriver load described optimal ReDriver configuration parameter from described EEPROM, are
System is started working.
Said method can be widely used in the Electronic Design that system comprises ReDriver module, according to working environment
Temperature humidity feature chooses suitable ReDriver configuration parameter automatically, thus the ReDriver configuration that the system that is supplied to is optimal
Parameter, it is ensured that high speed signal, after PCB channel and ReDriver, obtains optimal signal quality at receiving terminal, improves signal
Margin, thus improve the reliability of system.
By foregoing description, the first of the embodiment of the present application offer is based on humiture self-adaptative adjustment ReDriver
The method of configuration parameter, owing to first obtaining temperature parameter and the humidity parameter of current environment, then choose with described temperature parameter and
The optimal ReDriver configuration parameter that described humidity parameter is corresponding, is then configured to described optimal ReDriver configuration parameter
In EEPROM, finally, when system boot, ReDriver loads described optimal ReDriver configuration ginseng from described EEPROM
Number, system starts, therefore, it is possible to ensure that ReDriver configuration parameter is the optimal value under user rs environment, reduces signal transmission
The bit error rate, improves the reliability of system.
The second method based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of above-mentioned first method, also include following technical characteristic:
Before the temperature parameter and humidity parameter of described acquisition current environment, also include:
Under different temperature parameters and humidity parameter regulate ReDriver configuration parameter, and determine each temperature parameter and
Optimal ReDriver configuration parameter under humidity parameter；
Store temperature parameter and humidity parameter and optimal ReDriver configuration parameter one to one.
The third method based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of above-mentioned second method, also include following technical characteristic:
Described being configured in EEPROM by described optimal ReDriver configuration parameter also includes before:
By the SEL signal switching controller to described EEPROM.
The 4th kind of method based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of the third method above-mentioned, also include following technical characteristic:
Described being configured in EEPROM by described optimal ReDriver configuration parameter also includes afterwards:
By the SEL signal release controller to described EEPROM.
The first device based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides is such as
Shown in Fig. 2, the first dress based on humiture self-adaptative adjustment ReDriver configuration parameter that Fig. 2 provides for the embodiment of the present application
The schematic diagram put.This device includes:
Acquiring unit 201, for obtaining temperature parameter and the humidity parameter of current environment；
Owing to user environment varies, therefore select correspondence according to the temperature and humidity of user's current environment
ReDriver configuration parameter, it becomes possible to ensure the reliability of system.
Choose unit 202, for choosing the optimal ReDriver corresponding with described temperature parameter and described humidity parameter
Configuration parameter；
It should be noted that the corresponding relation between temperature parameter and humidity parameter and optimal ReDriver configuration parameter can
To pre-set, it is stored in relevant hardware, thus can choose the optimal of correspondence according to each group of parameter
Parameter, thus ensure the optimum state of system.
Dispensing unit 203, for being configured to described optimal ReDriver configuration parameter in EEPROM；
Loading unit 204, for when system boot, ReDriver load from described EEPROM described most preferably
ReDriver configuration parameter, system starts.
Said apparatus ensure that ReDriver configuration parameter is the optimal value under user rs environment, reduces signal transmission error code
Rate, improves the reliability of system.
The second device based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of the first device above-mentioned, also include following technical characteristic:
Determine unit, for regulating ReDriver configuration parameter under different temperature parameters and humidity parameter, and determine
Optimal ReDriver configuration parameter under each temperature parameter and humidity parameter；
Memory element, is used for storing temperature parameter and humidity parameter and optimal ReDriver configuration one to one and joins
Number.
It should be noted that this process can have engineer to complete in the environment of laboratory, simulate different temperature
With under damp condition, adjust optimal ReDriver configuration parameter and carry out record one to one.
The third device based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of above-mentioned the second device, also include following technical characteristic:
Also include:
Switch unit, before being configured in EEPROM by described optimal ReDriver configuration parameter, by SEL signal
The switching controller to described EEPROM.
The 4th kind of device based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of the third device above-mentioned, also include following technical characteristic: also include:
Releasing unit, after being configured in EEPROM by described optimal ReDriver configuration parameter, by SEL signal
The release controller to described EEPROM.
The 5th kind of device based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
Above-mentioned the first on the basis of any one in the 4th kind of device, also include following technical characteristic: described acquiring unit includes
Temperature sensor and humidity sensor.
The 6th kind of device based on humiture self-adaptative adjustment ReDriver configuration parameter that the embodiment of the present application provides, be
On the basis of above-mentioned 5th kind of device, also include following technical characteristic:
Described choose unit and described dispensing unit is BMC firmware.
Below specific embodiment is illustrated, as it is shown on figure 3, the concrete scheme that Fig. 3 is the embodiment of the present application is real
Shi Tu.Below the program is illustrated:
1. system must comprise temperature sensor Temperature Sensor, humidity sensor Humidity Sensor
With BMC module (or similar monitor processing module)；
2. system Redriver must use Config EEPROM to configure, and EEPROM can be by BMC switching control
Power；
3. research and development engineer's tuning Redriver configuration parameter under different humiture environment, and it is stored in BMC firmware
In；
4. (STANDBY holding state) before system boot, BMC obtains system work at present by temperature and moisture sensors
Environment, selects the Redriver configuration of optimum from firmware；
5.BMC switches the controller to EEPROM by SEL signal, and the Redriver updating optimum is configured to EEPROM
In；
EEPROM controller, waiting system are started shooting by 6.BMC by the release of SEL signal；
7., after system boot, Redriver loads configuration, system starts from Config EEPROM.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a method based on humiture self-adaptative adjustment ReDriver configuration parameter, it is characterised in that including:
Obtain temperature parameter and the humidity parameter of current environment；
Choose the optimal ReDriver configuration parameter corresponding with described temperature parameter and described humidity parameter；
Described optimal ReDriver configuration parameter is configured in EEPROM；
When system boot, ReDriver loads described optimal ReDriver configuration parameter from described EEPROM, and system starts
Work.
Method based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 1, its feature exists
In,
Before the temperature parameter and humidity parameter of described acquisition current environment, also include:
Under different temperature parameters and humidity parameter, regulate ReDriver configuration parameter, and determine each temperature parameter and humidity
Optimal ReDriver configuration parameter under parameter；
Store temperature parameter and humidity parameter and optimal ReDriver configuration parameter one to one.
Method based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 2, its feature exists
In,
Described being configured in EEPROM by described optimal ReDriver configuration parameter also includes before:
By the SEL signal switching controller to described EEPROM.
Method based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 3, its feature exists
In,
Described being configured in EEPROM by described optimal ReDriver configuration parameter also includes afterwards:
By the SEL signal release controller to described EEPROM.
5. a device based on humiture self-adaptative adjustment ReDriver configuration parameter, it is characterised in that including:
Acquiring unit, for obtaining temperature parameter and the humidity parameter of current environment；
Choose unit, for choosing the optimal ReDriver configuration ginseng corresponding with described temperature parameter and described humidity parameter
Number；
Dispensing unit, for being configured to described optimal ReDriver configuration parameter in EEPROM；
Loading unit, for when system boot, ReDriver loads described optimal ReDriver configuration from described EEPROM
Parameter, system starts.
Device based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 5, its feature exists
In,
Determine unit, for regulating ReDriver configuration parameter under different temperature parameters and humidity parameter, and determine each
Optimal ReDriver configuration parameter under temperature parameter and humidity parameter；
Memory element, is used for storing temperature parameter and humidity parameter and optimal ReDriver configuration parameter one to one.
Device based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 6, its feature exists
In, also include:
Switch unit, before being configured in EEPROM by described optimal ReDriver configuration parameter, is switched by SEL signal
Controller to described EEPROM.
Device based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 7, its feature exists
In, also include:
Releasing unit, after being configured in EEPROM by described optimal ReDriver configuration parameter, is discharged by SEL signal
Controller to described EEPROM.
9. according to the device based on humiture self-adaptative adjustment ReDriver configuration parameter described in any one of claim 5-8,
It is characterized in that,
Described acquiring unit includes temperature sensor and humidity sensor.
Device based on humiture self-adaptative adjustment ReDriver configuration parameter the most according to claim 9, its feature exists
In, described in choose unit and described dispensing unit is BMC firmware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630116.2A CN106325850A (en) | 2016-08-03 | 2016-08-03 | Method and device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630116.2A CN106325850A (en) | 2016-08-03 | 2016-08-03 | Method and device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity |
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| CN201610630116.2A Pending CN106325850A (en) | 2016-08-03 | 2016-08-03 | Method and device for self-adaptively adjusting ReDriver configuration parameter based on temperature and humidity |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107122198A (en) * | 2017-05-23 | 2017-09-01 | 郑州云海信息技术有限公司 | A kind of method, device and the server of signal repeater parameter configuration |
| CN107203246A (en) * | 2017-05-25 | 2017-09-26 | 郑州云海信息技术有限公司 | A kind of board and a kind of board attachment means |
| CN107357991A (en) * | 2017-07-12 | 2017-11-17 | 郑州云海信息技术有限公司 | A kind of redriver chip parameters configuration structure and method |
| CN110377547A (en) * | 2019-06-28 | 2019-10-25 | 苏州浪潮智能科技有限公司 | The method and device of redriver parameter adaptive is realized in PCIE4.0 link |
| CN111352876A (en) * | 2020-02-29 | 2020-06-30 | 苏州浪潮智能科技有限公司 | Redriver chip code error rewriting monitoring system and method |
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Cited By (8)
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| CN107203246A (en) * | 2017-05-25 | 2017-09-26 | 郑州云海信息技术有限公司 | A kind of board and a kind of board attachment means |
| CN107357991A (en) * | 2017-07-12 | 2017-11-17 | 郑州云海信息技术有限公司 | A kind of redriver chip parameters configuration structure and method |
| CN110377547A (en) * | 2019-06-28 | 2019-10-25 | 苏州浪潮智能科技有限公司 | The method and device of redriver parameter adaptive is realized in PCIE4.0 link |
| CN111352876A (en) * | 2020-02-29 | 2020-06-30 | 苏州浪潮智能科技有限公司 | Redriver chip code error rewriting monitoring system and method |
| CN111352876B (en) * | 2020-02-29 | 2021-07-27 | 苏州浪潮智能科技有限公司 | Redriver chip code error rewriting monitoring system and method |
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Application publication date: 20170111 |