CN107515806A - A kind of method and apparatus of SAS signal parameters on-line debugging - Google Patents
A kind of method and apparatus of SAS signal parameters on-line debugging Download PDFInfo
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- CN107515806A CN107515806A CN201710757268.3A CN201710757268A CN107515806A CN 107515806 A CN107515806 A CN 107515806A CN 201710757268 A CN201710757268 A CN 201710757268A CN 107515806 A CN107515806 A CN 107515806A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/26—Functional testing
- G06F11/263—Generation of test inputs, e.g. test vectors, patterns or sequences ; with adaptation of the tested hardware for testability with external testers
- G06F11/2635—Generation of test inputs, e.g. test vectors, patterns or sequences ; with adaptation of the tested hardware for testability with external testers using a storage for the test inputs, e.g. test ROM, script files
Abstract
The embodiment of the invention discloses a kind of method and apparatus of SAS signal parameters on-line debugging, system receives the parameter value to be debugged of user's input；Pre-defined structure variable is initialized, i.e., parameter value is assigned to corresponding structure variable one by one；Whether met the requirements for the ease of analytical parameters value, the structure variable after oscilloscope measurement initialization can be utilized, generate eye pattern；By analyzing and processing eye pattern, judge whether not meeting the parameter value of preset requirement；If so, then determining parameter value to be modified, the step of receiving the modified values of the parameter value to be modified of user's input, and return to above-mentioned initialization, aforesaid operations are repeated, until determining the optimal value of SAS signal parameters.By the technical scheme, as fast as possible the coming into force of parameter can be made to be further continued for testing, eliminate the modification code time repeatedly that burning is verified again again, cumbersome step is become clear simple, efficiently performs, improves development efficiency.
Description
Technical field
The present invention relates to storage device technical field, more particularly to a kind of method of SAS signal parameters on-line debugging with
Device.
Background technology
The magnanimity information epoch are come at present, also have high requirement to the efficiency of storage device；Storage device is general at present
Signal transmission is carried out all over using serial scsi interface (Serial Attached SCSI, SAS), speed can reach 6Gbps,
12Gbps, speed even more high, the stability equally transmitted are also essential from now on.
With the increase of signal rate, the skin effect of high speed signal and the dielectric loss of transmission line can increase, and this is to deposit
The high-quality transmission of storage product brings challenge；In order to which preferable waveform can be obtained in receiving terminal, conventional benefit can be taken
Repay technology：Preemphasis, postemphasis and balancing technique.These technologies are just embodied in the signal quality of chip in practice
It is exactly our parameters to be realized in register.Because the circuit trace of high speed transmission of signals and reality is closely bound up, thus often
Because its cabling is different, these parameters need to do some adjustment individual board, thus can meet all plates without one group of parameter
All practices of card.So, using the actual SAS signal qualitys of oscilloscope measurement board, generation eye pattern report, analysis ginseng
How number adjusts；Modification is reattempted, then measures checking, modification is reattempted and verifies again, it is repeated multiple times effect is reached best.
Traditional mode encodes blunt simple, and normal use is integrated in code parameter in a program, in upper electricity
Configured during initialization；If make during repeated measurement in this way, it is necessary to continuous repetitive process：" modification code-
>Compiling->Burning->Electric on again->Measure again ".So need the continuous measurement signal quality of Developmental Engineer, precompensation parameter value,
Change code compilation, re-test again, then change parameter, go round and begin again repeatedly, can greatly reduce development efficiency.
It can be seen that how to determine the optimal value of SAS signal parameters in a short time, development efficiency is lifted, is this area
Technical staff's urgent problem to be solved.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and apparatus of SAS signal parameters on-line debugging, can be short
The optimal value of SAS signal parameters is determined in time, lifts development efficiency.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of method of SAS signal parameters on-line debugging, bag
Include：
S10：Receive the parameter value to be debugged of user's input；
S11：Pre-defined structure variable is initialized, the parameter value is assigned to corresponding structure one by one
Body variable；Wherein, the structure variable defines according to the order of the parameter value；
S12：Structure variable after being initialized using oscilloscope measurement, generate eye pattern；
S13：The eye pattern is analyzed and processed, judges whether not meeting the parameter value of preset requirement；If so, then
Perform S14；If it is not, then end operation, completes the debugging to SAS signal parameters；
S14：Parameter value to be modified is determined, receives the modified values of the parameter value to be modified of user's input, and is returned
The S11.
Optionally, in addition to：
Count from the time for carrying out being initialised to end operation cost for the first time to the structure variable；If the time
More than predetermined threshold value, then prompted.
Optionally, in addition to：
Statistics meets the parameter value of preset requirement, and the parameter value is integrated into corresponding program code.
The embodiment of the present invention additionally provides a kind of device of SAS signal parameters on-line debugging, including receiving unit, initialization
Unit, generation unit, judging unit and modification unit,
The receiving unit, for receiving the parameter value to be debugged of user's input；
The initialization unit, for being initialized to pre-defined structure variable, by the parameter value one by one
Structure variable corresponding to being assigned to；Wherein, the structure variable defines according to the order of the parameter value；
The generation unit, for using the structure variable after oscilloscope measurement initialization, generating eye pattern；
The judging unit, for analyzing and processing the eye pattern, judge whether not meeting preset requirement
Parameter value；If so, then trigger the modification unit；If it is not, then end operation, completes the debugging to SAS signal parameters；
The modification unit, for determining parameter value to be modified, receive the parameter value to be modified of user's input
Modified values, and trigger the initialization unit.
Optionally, in addition to Tip element, the Tip element, for counting to the structure variable to enter for the first time
Row is initialised to the time of end operation cost；If the time exceedes predetermined threshold value, prompted.
Optionally, in addition to integrated unit, the integrated unit, the parameter value of preset requirement is met for counting, and will
The parameter value is integrated into corresponding program code.
System receives the parameter value to be debugged of user's input it can be seen from above-mentioned technical proposal；According to the parameter value,
Pre-defined structure variable is initialized, will the parameter value be assigned to one by one corresponding to structure variable；For
It is easy to whether analytical parameters value meets the requirements, the structure variable after oscilloscope measurement initialization can be utilized, generate eye pattern；
By analyzing and processing the eye pattern, judge whether not meeting the parameter value of preset requirement；If so, then determine to treat
Parameter value is changed, the step of receiving the modified values of the parameter value to be modified of user's input, and return to above-mentioned initialization, is repeated
Aforesaid operations are performed, until determining the optimal value of SAS signal parameters.By the technical scheme, parameter can be made as far as possible
Fast coming into force is further continued for testing, and eliminates the modification code time repeatedly that burning is verified again again, and cumbersome step is become into clear
It is clear simple, efficiently perform, improve development efficiency.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the method for SAS signal parameters on-line debugging provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the device of SAS signal parameters on-line debugging provided in an embodiment of the present invention.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, for those of ordinary skill in the art under the premise of creative work is not made, what is obtained is every other
Embodiment, belong to the scope of the present invention.
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
These compensation techniques, provide register parameters interface in SAS process chips, and the convenient fabric swatch according to reality connects up
Carry out adjusting parameter value；On stream, the parameter value of best signal quality is obtained, and write code according to actual measurement
In, the configuration parameter in power-up initializing.Therefore repeated measurement to signal and verify repeatedly all necessary；
Since development parameters will come into force in initialization, this patent is to propose a kind of debugging of parameter online upgrading modification
Method, it is intended that the time cycle that the parameter read-in in signal-quality optimization stage comes into force is reduced, can be multiple in the short period of time
The correction of completion parameter, and be optimal SAS signal qualitys, improve development efficiency, and can be transmitted for storage product SAS steady
It is qualitative to provide safeguard.
Next, a kind of method for SAS signal parameters on-line debugging that the embodiment of the present invention is provided is discussed in detail.Fig. 1
For a kind of flow chart of the method for SAS signal parameters on-line debugging provided in an embodiment of the present invention, this method includes：
S10：Receive the parameter value to be debugged of user's input.
In embodiments of the present invention, can be by electric erazable programmable read-write memory (Electrically
Erasable Programmable Read and-Write Memory, EEPROM) in read or write parameters value.
User can be by the way that " eeprom write address size data " are ordered, and realize the write-in of data；Pass through
" eeprom read address size data " are ordered, and realize the reading of data.Wherein, address represents the ground of data
Location, size represent the size of data, and data represents the required data for reading or writing.
S11：Pre-defined structure variable is initialized, the parameter value is assigned to corresponding structure one by one
Body variable.
Initialization can regard the process to structure variable assignments as, in embodiments of the present invention, can pass through power-off
The mode restarted, realizes initialization operation.
Wherein, the structure variable can define according to the order of the parameter value, can be with during initialization
Parameter value to be debugged is assigned to corresponding structure variable one by one.
S12：Structure variable after being initialized using oscilloscope measurement, generate eye pattern.
Eye pattern is a series of figure that data signals are accumulated and shown on oscillograph, and it contains abundant information, from
It can be observed how intersymbol interference and the influence of noise, embody the overall feature of data signal, so as to which estimating system is excellent on eye pattern
Bad degree.
S13：The eye pattern is analyzed and processed, judges whether not meeting the parameter value of preset requirement.
Pass through the analysis to eye pattern, it can be determined that whether the parameter value of setting is appropriate, and the judge for being directed to parameter value can be with
Corresponding preset requirement is set.When parameter value meets preset requirement, that is, the eye pattern generated can reach required effect, explanation
The parameter value has been optimal, then can complete the debugging to SAS signal parameters with end operation；When default in the presence of not meeting
It is required that parameter value when, that is, the eye pattern generated is unable to reach required effect, at this time, it may be necessary to the parameter to not meeting preset requirement
Value is adjusted, then performs S14.
S14：Parameter value to be modified is determined, receives the modified values of the parameter value to be modified of user's input, and is returned
The S11.
After adjusting parameter value, in order to examine whether the parameter value meets preset requirement, then above-mentioned step can be re-executed
Suddenly, until the parameter value is adjusted into optimal.
System receives the parameter value to be debugged of user's input it can be seen from above-mentioned technical proposal；According to the parameter value,
Pre-defined structure variable is initialized, will the parameter value be assigned to one by one corresponding to structure variable；For
It is easy to whether analytical parameters value meets the requirements, the structure variable after oscilloscope measurement initialization can be utilized, generate eye pattern；
By analyzing and processing the eye pattern, judge whether not meeting the parameter value of preset requirement；If so, then determine to treat
Parameter value is changed, the step of receiving the modified values of the parameter value to be modified of user's input, and return to above-mentioned initialization, is repeated
Aforesaid operations are performed, until determining the optimal value of SAS signal parameters.By the technical scheme, parameter can be made as far as possible
Fast coming into force is further continued for testing, and eliminates the modification code time repeatedly that burning is verified again again, and cumbersome step is become into clear
It is clear simple, efficiently perform, improve development efficiency.
The purpose of the embodiment of the present invention is to realize the correction being completed in a relatively short time to parameter value, reached most
It is excellent.The time spent for the ease of user's understanding adjusting parameter value, it can count and enter for the first time to the structure variable
Row is initialised to the time of end operation cost；If the time exceedes predetermined threshold value, prompted.
Predetermined threshold value can be that adjusting parameter value is optimal the time that value plans to spend.Spent when adjusting parameter value
Real time exceedes the predetermined threshold value, then illustrates that time that adjusting parameter is spent fails the requirement of satisfaction plan, then can enter
Row prompting, in order to which user can go and find out what's going in time.
In embodiments of the present invention, the parameter value for meeting preset requirement can be counted after each adjusting parameter value, works as institute
, can be with corresponding to these parameter values be integrated into program code after some parameter values are adjusted to optimal.
Fig. 2 is a kind of structural representation of the device of SAS signal parameters on-line debugging provided in an embodiment of the present invention, including
Receiving unit 21, initialization unit 22, generation unit 23, judging unit 24 and modification unit 25,
The receiving unit 21, for receiving the parameter value to be debugged of user's input；
The initialization unit 22, for being initialized to pre-defined structure variable, by the parameter value by
It is individual to be assigned to corresponding structure variable；Wherein, the structure variable defines according to the order of the parameter value；
The generation unit 23, for using the structure variable after oscilloscope measurement initialization, generating eye pattern；
The judging unit 24, for analyzing and processing the eye pattern, judge whether not meeting preset requirement
Parameter value；If so, then trigger the modification unit 25；If it is not, then end operation, completes the debugging to SAS signal parameters；
The modification unit 25, for determining parameter value to be modified, receives the parameter value to be modified of user's input
Modified values, and trigger the initialization unit 22.
Optionally, in addition to Tip element, the Tip element, for counting to the structure variable to enter for the first time
Row is initialised to the time of end operation cost；If the time exceedes predetermined threshold value, prompted.
Optionally, in addition to integrated unit, the integrated unit, the parameter value of preset requirement is met for counting, and will
The parameter value is integrated into corresponding program code.
The explanation of feature may refer to the related description of embodiment corresponding to Fig. 1 in embodiment corresponding to Fig. 2, here no longer
Repeat one by one.
System receives the parameter value to be debugged of user's input it can be seen from above-mentioned technical proposal；According to the parameter value,
Pre-defined structure variable is initialized, will the parameter value be assigned to one by one corresponding to structure variable；For
It is easy to whether analytical parameters value meets the requirements, the structure variable after oscilloscope measurement initialization can be utilized, generate eye pattern；
By analyzing and processing the eye pattern, judge whether not meeting the parameter value of preset requirement；If so, then determine to treat
Parameter value is changed, the step of receiving the modified values of the parameter value to be modified of user's input, and return to above-mentioned initialization, is repeated
Aforesaid operations are performed, until determining the optimal value of SAS signal parameters.By the technical scheme, parameter can be made as far as possible
Fast coming into force is further continued for testing, and eliminates the modification code time repeatedly that burning is verified again again, and cumbersome step is become into clear
It is clear simple, efficiently perform, improve development efficiency.
A kind of method and apparatus of the SAS signal parameters on-line debugging provided above the embodiment of the present invention has been carried out in detail
It is thin to introduce.Each embodiment is described by the way of progressive in specification, and what each embodiment stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, also
Some improvement and modification can be carried out to the present invention, these are improved and modification also falls into the protection domain of the claims in the present invention
It is interior.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (6)
- A kind of 1. method of SAS signal parameters on-line debugging, it is characterised in that including：S10：Receive the parameter value to be debugged of user's input；S11：Pre-defined structure variable is initialized, the parameter value is assigned into corresponding structure one by one becomes Amount；Wherein, the structure variable defines according to the order of the parameter value；S12：Structure variable after being initialized using oscilloscope measurement, generate eye pattern；S13：The eye pattern is analyzed and processed, judges whether not meeting the parameter value of preset requirement；If so, then perform S14；If it is not, then end operation, completes the debugging to SAS signal parameters；S14：Parameter value to be modified is determined, receives the modified values of the parameter value to be modified of user's input, and described in return S11。
- 2. according to the method for claim 1, it is characterised in that also include：Count from the time for carrying out being initialised to end operation cost for the first time to the structure variable；If the time exceedes Predetermined threshold value, then prompted.
- 3. according to the method for claim 2, it is characterised in that also include：Statistics meets the parameter value of preset requirement, and the parameter value is integrated into corresponding program code.
- 4. a kind of device of SAS signal parameters on-line debugging, it is characterised in that single including receiving unit, initialization unit, generation Member, judging unit and modification unit,The receiving unit, for receiving the parameter value to be debugged of user's input；The initialization unit, for being initialized to pre-defined structure variable, by parameter value assignment one by one To corresponding structure variable；Wherein, the structure variable defines according to the order of the parameter value；The generation unit, for using the structure variable after oscilloscope measurement initialization, generating eye pattern；The judging unit, for analyzing and processing the eye pattern, judge whether not meeting the parameter of preset requirement Value；If so, then trigger the modification unit；If it is not, then end operation, completes the debugging to SAS signal parameters；The modification unit, for determining parameter value to be modified, receive the modification of the parameter value to be modified of user's input Value, and trigger the initialization unit.
- 5. device according to claim 4, it is characterised in that also including Tip element, the Tip element, for counting From the time for carrying out being initialised to end operation cost for the first time to the structure variable；If the time exceedes default threshold Value, then prompted.
- 6. device according to claim 5, it is characterised in that also including integrated unit, the integrated unit, for counting Meet the parameter value of preset requirement, and the parameter value is integrated into corresponding program code.
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| CN112436852A (en) * | 2020-12-07 | 2021-03-02 | 海光信息技术股份有限公司 | Method and device for searching parameters of analog front-end circuit of receiver |
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Application publication date: 20171226 |