Multiple Temperature environments in Test stand
Hi, I have sequences that run at ambient temperature and I call them with a "Batch Model" TS model so I can
assign and Test multiple UUTs.
Once Ambient tests are done, I want to carry on the tests by going to say 0 degrees Celsius, but how do I carry the Batch Number and Serial numbers assigned during the Ambient batch process onto the sequences that handle the 0 degrees C and loop based on those until all UUTs are tested?
Help please.
Durring run time you can get the serial number by calling RunState.Root.Parameters.ModelData.TestSockets[0].UUT.SerialNumber where the number in TestSockets is the socket number. If you plan on testing the same UUT in the same socket then I would recomend writing two sequences to test your two cases ambient and zero degrees and calling them from a single sequence file. That way the serial numbers and socket index will persist throughout the test, and the reports will all be organized together.
Richard S -- National Instruments --Applications Engineer -- Data Acquisition with TestStand
Similar Messages
-
Hi.
I would like to get some feedback regarding using Test Stand with Labview.
Currently I am using Delphi Interface as my Excecutive Engine and Active
X server to communicate with labview. The data logging, PLC I/O and Login/logout
are part of Delphi Inteface. The labview is used only to execute the actual
test. Now by switching to Test Stand, would that benefit me in any way.(For
instance: Does Test Stand(LV Server) allows me to run single or multiple
Vi's, without creating 'exe')?There could be lots of advantages to switching to TestStand, but it depends on your application.
1. If you deploy your applications to several different environments or uses (board test, system test, service, field service, etc.) then TestStand allows you to customize different "process models" for each environment. The actual test code is contained in a sequence file. Since the process model is shared by all sequence files, it is a great place to put the common functions such as UUT identification and data logging. Even if you don't need different process models, keeping all this code in one place makes it easier to maintain. There is no compiling with TestStand, so you can change the process model and the changes will take effect in all your applications.
2.
TestStand allows you to easily call many different types of code, not just Labview. You can call CVI, DLL's, EXE's, and ActiveX. I recently saw an article about a way to call Perl code. Again, the value of this depends on your application.
3. If you want to integrate your application with a database, TestStand has great database tools. The database logging utility allows you to log data to any table format.
4. If you are loading test limits from an external source, TestStand makes it easy with a tool called Property Loader.
I suggest you get a free demo copy and try it out. TestStand is incredibly powerful.
Mark ([email protected]) -
Batch Sequence Shutdown Test Stand Randomly
Hi ,
I have a problem with Test Stand in one of my projects .
I'm using TS 4 & CVI 9.1 . TS is using CVI DLL .
The software is using parallel Device checking for 30 cards , at 25c , 75c and -15c ( temp ).
While checking 9-10 evrey thing works fine and well buy in 11 and so on TS crashes randomlly about 1 of 10 times at the crash the is no TS message only Windows not responding message .
My main idea was a Resource leaking at the CVI code but i checked it very carefully in addition i cant see the resource trekking in dll mode .
Is there any tool , even windows tool or some software i can use to track my memory while working with both programs !? or you have another idea ?
Thank you .
Kobi Kalif
Software EngineerThere are two possibilities for updating a local in one sequence from a subsequence which that sequence calls.
1) Pass the variable as a "By Reference" parameter to the subsequence. Then in the subsequence access it with the lookupstring Parameters.MyParameter. To add a parameter to a sequence, simply insert a variable under the Parameters group. Parameters are passed by reference by default (which is what you want). They can also be passed by value (i.e. a copy to which changes don't affect the original) by changing the setting by right-clicking on the variable and unchecking the by reference setting. Using parameters like this is very flexible and future proof. You can even call the same subsequence from multiple sequences and the subsequence doesn't have to worry about who's calling it. Also it doesn't matter what the name or location of the variable is in the caller, the subsequence just always accesses the variable as its parameter. When you specify the sequence call to call the subsequence you specify what to pass for the parameter.
1a) A variation of this which can help make your code easier to extend is to use a Custom Data Type as the type for your parameter. Make a Custom Data Type that's a container than contains the variables you want to pass. When you need to add a new parameter in the future you can just add it to your Custom Data Type and then you don't have to update any of the places where your subsequences are called to pass the new value. If you go this route I recommend storing the Custom Data Type in a type palette file and keeping it always backwards compatible as much as possible (only add variables, don't remove or change existing variables).
2) Another way which is less flexible is that you can use RunState.Caller.Locals.foo to access a local variable in the sequence which is calling the current sequence. This creates an interdependency between the two sequences though which can lead to code maintenance problems because someone could change the calling sequence's variables, not realizing a subsequence depended on the variables they are changing.
Hope this helps,
-Doug -
Managing Test Limits in Test Stand
Hi,
We are new to Test Stand, and want to make sure we are setting up our sequence files and supporting files correctly. When dealing with test limits or the expected value of measurements etc..., what is the best way to manage the expected values as opposed to hard coding them deep into sub-sequences? We want to be able to easy adjust the expected value(s) in one location, and wonder if Test Stand has a file that would be useful for this. Here are the initial ideas around this:
1. Excel File - Only concern is being able to control this file. There can be multiple excel files floating around, so not sure if this is the right answer?
2. Text File - Same as above?
3. Actual Sequence that only contains limits
4. ?
Thanks
JohnTestStand provides built-in functionality for managing properties such as test limits. This can be accessed either from a dialog box or programmatically in a sequence as a special step type.
The properties and limits can be stored either in a file on the machine or in a database. The file approach, while simple, does have the caveats you mentioned, where file versioning would be important. This could be mitigated by storing the property file on a shared network drive.
Using a database for properties would likely be more adaptable to change. By storing the properties in a single location accessible by all test machines, you can easily update the values in one place and have them propagate to different testers.
In either case, you would load the properties into the current TestStand sequence either interactively through the Import/Export Properties dialog box or with a Property Loader step at the beginning of your sequence.
Daniel E.
TestStand Product Support Engineer
National Instruments -
Hi,
I have 2 yrs Experiance Lab VIEW.
Now, I would like to learn NI Test stand, can u send me the some basic tutorials about Test stand.
Which type of application we are going for test stand insted of Lab VIEW. and what is the main features of Test Stand over Lab VIEW.
Thanks for All
Siva.Hi,
You would go for TS when you have a testing application which would require you to do multiple (10s,100s,1000s) steps. Now TS doesnot directly interact with the hardware, for which you would require code modules like LabVIEW VIs. Also report generation and database logging is internally taken care of.
.......^___________________^
....../ '---_BOT ____________ ]
...../_==O;;;;;;;;_______.:/ -
Is there a way to create a database with Test Stand?
Anyone know of a way to have Test Stand create a database? My company standard MS Office suite is Microsoft Access 2010, and TestStand does not support the .accmdb extension type(format), so I have to create new databases using old formats. I'm worried about backwards compatability down the road since good ole Microsoft doesn't seem to care about legacy formats.
I'm still a beginner with databasing, so any suggestions would be greatly appreciated.TestStand 2012 SP1, and we are using a modified Generic Recordset (NI). The problem we are having right now is that the Build SQL instructions are not creating the database tables the way we are configuring them from the "Statements" and "Column/Parameters" tabs under Database Options.
What is happening is when we validate the schema, and drop all schema tables, it empties all the database tables, but then when you build using the TestStand generated sql file, we get errors(shown below) we are not understanding, and we can no longer write to the database and LabVIEW throws a "Data type mismatch in criteria expression" error like this
"Possible reason(s):
ADO Error: 0x80040E07
Exception occured in Microsoft JET Database Engine: Data type mismatch in criteria expression. in NI_Database_API.lvlib:Conn Execute.vi->TSData - Query Actions.vi->Retrieve Test Data.vi->ARA-63 Data Miner.vi->ARA-63 Data Miner.vi.ProxyCaller"
==================================================================================================== > CREATE TABLE UUT_RESULT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, STATION_ID VarChar(255), BATCH_SERIAL_NUMBER VarChar(255), TEST_SOCKET_INDEX Long, UUT_SERIAL_NUMBER VarChar(255), USER_LOGIN_NAME VarChar(255), START_DATE_TIME DateTime, EXECUTION_TIME Double, UUT_STATUS VarChar(32), UUT_ERROR_CODE Long, UUT_ERROR_MESSAGE VarChar(255), PART_NUMBER VarChar(255), TSR_FILE_NAME VarChar(255), TSR_FILE_ID VarChar(64), TSR_FILE_CLOSED Bit, PART_NAME VarChar(255), PRG VarChar(255), Comment VarChar(255), Operator VarChar(255)) Command issued.
> CREATE TABLE STEP_RESULT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, UUT_RESULT Long, STEP_PARENT Long, ORDER_NUMBER Long, STEP_NAME VarChar(255), STEP_TYPE VarChar(255), STEP_GROUP VarChar(32), STEP_INDEX Long, STEP_ID VarChar(32), STATUS VarChar(255), REPORT_TEXT VarChar(255), ERROR_CODE Long, ERROR_MESSAGE VarChar(255), CAUSED_SEQFAIL Bit, MODULE_TIME Double, TOTAL_TIME Double, NUM_LOOPS Long, NUM_PASSED Long, NUM_FAILED Long, ENDING_LOOP_INDEX Long, LOOP_INDEX Long, INTERACTIVE_EXENUM Long, CONSTRAINT STEP_RESULT_FK FOREIGN KEY (UUT_RESULT) REFERENCES UUT_RESULT (ID)) Command issued.
> CREATE TABLE STEP_SEQCALL ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, STEP_RESULT Long, SEQUENCE_NAME VarChar(255), SEQUENCE_FILE_PATH LongText, CONSTRAINT STEP_SEQCALL_FK FOREIGN KEY (STEP_RESULT) REFERENCES STEP_RESULT (ID)) Command issued.
> CREATE TABLE PROP_RESULT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, STEP_RESULT Long, PROP_PARENT Long, ORDER_NUMBER Long, NAME VarChar(255), PATH LongText, CATEGORY Long, TYPE_VALUE Long, TYPE_NAME VarChar(255), DISPLAY_FORMAT VarChar(32), DATA Double, FORMATTED_DATA VarChar(255), CONSTRAINT STEP_NUMERICLIMIT1_FK FOREIGN KEY (STEP_RESULT) REFERENCES STEP_RESULT (ID)) Command issued.
> CREATE TABLE PROP_NUMERICLIMIT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, COMP_OPERATOR VarChar(32), HIGH_LIMIT Double, LOW_LIMIT Double, UNITS VarChar(255), STATUS VarChar(255), HIGH_LIMIT_FORMATTED VarChar(255), LOW_LIMIT_FORMATTED VarChar(255), CONSTRAINT STEP_NUMERICLIMIT2_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command issued.
> CREATE TABLE PROP_RESULT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, STEP_RESULT Long, PROP_PARENT Long, ORDER_NUMBER Long, NAME VarChar(255), PATH VarChar(255), CATEGORY Long, TYPE_VALUE Long, TYPE_NAME VarChar(255), DISPLAY_FORMAT VarChar(32), DATA VarChar(255), FORMATTED_DATA VarChar(255), CONSTRAINT PROP_MULTINUMERICLIMIT1_FK FOREIGN KEY (STEP_RESULT) REFERENCES STEP_RESULT (ID), CONSTRAINT PROP_MULTINUMERICLIMIT1_FK FOREIGN KEY (PROP_PARENT) REFERENCES PROP_RESULT (ID)) Command failed with the following error...: Table 'PROP_RESULT' already exists. (-2147217900)
> CREATE TABLE PROP_NUMERICLIMIT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, COMP_OPERATOR VarChar(32), HIGH_LIMIT Double, LOW_LIMIT Double, UNITS VarChar(255), STATUS VarChar(255), HIGH_LIMIT_FORMATTED VarChar(255), LOW_LIMIT_FORMATTED VarChar(255), CONSTRAINT PROP_MULTINUMERICLIMIT2_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command failed with the following error...: Table 'PROP_NUMERICLIMIT' already exists. (-2147217900)
> CREATE TABLE PROP_RESULT ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, STEP_RESULT Long, PROP_PARENT Long, ORDER_NUMBER Long, NAME VarChar(255), PATH VarChar(255), CATEGORY Long, TYPE_VALUE Long, TYPE_NAME VarChar(255), DISPLAY_FORMAT VarChar(32), DATA VarChar(255), FORMATTED_DATA VarChar(255), CONSTRAINT PROP_RESULT_FK FOREIGN KEY (STEP_RESULT) REFERENCES STEP_RESULT (ID)) Command failed with the following error...: Table 'PROP_RESULT' already exists. (-2147217900)
> CREATE TABLE PROP_ANALOGWAVEFORM ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, INITIAL_T DateTime, DELTA_T Double, INITIAL_X Double, DELTA_X Double, UPPER_BOUNDS VarChar(32), LOWER_BOUNDS VarChar(32), DATA_FORMAT VarChar(32), DATA LongBinary, ATTRIBUTES LongText, CONSTRAINT PROP_ANALOGWAVEFORM_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command issued.
> CREATE TABLE PROP_DIGITALWAVEFORM ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, INITIAL_T DateTime, DELTA_T Double, UPPER_BOUNDS VarChar(32), LOWER_BOUNDS VarChar(32), TRANSITIONS LongBinary, DATA LongBinary, ATTRIBUTES LongText, CONSTRAINT PROP_DIGITALWAVEFORM_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command issued.
> CREATE TABLE PROP_ANALOGWAVEFORM ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, INITIAL_X Double, DELTA_X Double, UPPER_BOUNDS VarChar(32), LOWER_BOUNDS VarChar(32), DATA_FORMAT VarChar(32), DATA LongBinary, ATTRIBUTES LongText, CONSTRAINT PROP_IVIWAVE_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command failed with the following error...: Table 'PROP_ANALOGWAVEFORM' already exists. (-2147217900)
> CREATE TABLE PROP_ANALOGWAVEFORM ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, INITIAL_X Double, DELTA_X Double, UPPER_BOUNDS VarChar(32), LOWER_BOUNDS VarChar(32), DATA_FORMAT VarChar(32), DATA LongBinary, ATTRIBUTES LongText, CONSTRAINT PROP_IVIWAVEPAIR_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command failed with the following error...: Table 'PROP_ANALOGWAVEFORM' already exists. (-2147217900)
> CREATE TABLE PROP_BINARY ( ID COUNTER CONSTRAINT TABLE_CONSTRAINT PRIMARY KEY, PROP_RESULT Long, UPPER_BOUNDS VarChar(32), LOWER_BOUNDS VarChar(32), DATA_FORMAT VarChar(32), DATA LongBinary, CONSTRAINT PROP_BINARY_FK FOREIGN KEY (PROP_RESULT) REFERENCES PROP_RESULT (ID)) Command issued. -
In Test Stand when I call a sub-VI front panel, the pop-up window goes behind all the windows and the user just waits for the screen. I want the pop-up to come to the front so that the user can know what to do. I couldn't find any property that I can set which would make the called VI go to the front.
What version of TestStand are you using? Here are the TestStand palettes in LabVIEW for TestStand 2.0 and 3.1. You can also set a VI to be modal in VI Properties>Window Appearance. Select Dialog or go to Cutomize and change the Window Behavior.
Message Edited by Dennis Knutson on 03-07-2006 10:32 AM
Attachments:
TestStand palettes.JPG 37 KB -
I want to write a program in LabView and create an execute but I want to be able to pass test results to test stand to find it the unit pass ar fail the test then save the data to a database. How would i go about it.
What's confusing is your statement that you want to do this "without display the test stand program". You can minimize the TestStand UI to the task bar but if you don't want TestStand to be running, how can TestStand evaluate the result. Explain a little more please.
In the message body of your post, you just say you want to create a LabVIEW exe and pass the results to TestStand. What I would recomend is that instead of an exe, you create a dll and use TestStand's DLL adapter to call it and return the results. TestStand will evaluate it and do the logging. -
Test Stand 3.5 install problem
I'm having problems installing Test Stand 3.5 Development Edition on a WinXP SP1 machine - would anyone have any suggestions.
I'm performing a custom install and selecting all components other than "Device Drivers".
The install fails on "NI TestStand 3.5 Support Files. Part 1 of 1" with "Error 1335. The cabinet file 'Cabs.m6' required for this installation is corrupt and cannot be used. This could indicate a network error, an error reading from the CD-ROM, or a problem with this package".
If I select abort at this point the install of the support files is rolled back and the remaining components apper to install correctly. I can now run Test Stand but am missing the help files. If I rerun setup it attempts to install the support files but fails with the same error.
I have tried uninstalling and reinstalling & have copied the CD contents to the local hard disk (without any problems) and installing from there. All this is to no avail.
I've also uninstalled and reinstalled an installation on a second machine using the same install media. This install succedded with no issues.What is the difference between the two machines - where you've had successful and unsuccessful installs?
Like you've said sometimes this is caused by a faulty read from the CD drive, or faulty media, but as you've managed the install with the same media on the machine - then its not the media, and you've already tried the copy to hard disk from the CD without any luck.
What OS is on this other (working) machine?
Do you have administrator privileges on the machine where you can't install the software? Is the .NET framework 1.1 installed (I think this is part of Windows XP SP 2) so this could be the issue - as TestStand requires the .NET framework 1.1
Also - I've attached the readme which includes information to consider before installation - and known issues with the installation - check this and see if any of these could be the issue with this machine.
I hope this helps
Regards
Hannah
NIUK & Ireland
Attachments:
ReadMe.txt 51 KB -
Is there a max number of parameters that can be passed to a C function in test stand v. 1.0.1
I have had an issue with test stand version 1.0.1 (yes, I know; it's quite old) and calling a C function thru an action step. when I call this function with 18 parameters, it seems to hang. I have called a function with 16 and it seems to work. Is this a limit of the software? I am calling the function from a windows DLL that we've created. When I try to pull the function from the dll into test stand I also get a { error...but I get that in the other function's call and it seems to work fine. Any ideas?
ok, upon re-reading what I posted I can clearly see your confusion. haha. I think there are two separate issues.
1) Are there a maximum number of parameters one can use when calling a C function from a DLL? Yes, i'm trying to call a C function from test stand.
2) when I select the "module" tab, and select which DLL contains my function, the prototype has no information associated with it (by clicking the reload prototype button). I'm not sure why, as I'm using a declspec to send the function information out of the dll, but that's another topic. So I click on the source file tab and point the window to the .cpp of my function (within the DLL's project workspace) and when it begins to parse the file, I get an error about mis-matched curly brackets and if I wish to continue, and skip the rest of the parsing.
I click "OK" and when I go back to the module tab, I am able to see all my functions, along with the parameters in the drop down menu below. I fill in all the parameters and everything looks ok; no syntax errors, or anything else seemingly suspicious. I then run my test stand code and when I get to the step which calls this function, the system hangs and cannot proceed.
Any thoughts as to what might cause these issues? -
How to get the value of the global variable of test stand in labview User interface?
Hi.
Can anyone Please share examples and tell me to how access the test stand global variable using labview user interface.
Solved!
Go to Solution.I'm not surprised that what you are doing doesn't work. The Start Execution UI Message is triggered when the user clicks a button to start an execution. Realize that most executions go through a process model. So you could be looking at the sequence context of the process model and not your client sequence file.
I recommend reading that link I posted above. UI Messages are your best bet but you cannot just piggy back on an existing UI Message like this. They may not be getting sent at the time you need them to be. The only way to ensure you get what you want is to trigger one yourself at the right time.
Regards,
jigg
CTA, CLA
teststandhelp.com
~Will work for kudos and/or BBQ~ -
How to call test Sequences developed by using CVI Test Execuitve toolkit in Test Stand?
There is a feature in TestSatnd which can convert CVI sequence to test Stand Sequences. But test stand is not recognising these sequences saying " not a valid CVI test sequence". Is there any version Issues, while converting these sequences to TestStand?
Hi Scott
In continuation of previous question..
As per the suggestion, when I am trying opening one sequence(.SQU) file,developed in CVI Test Executive V 1.0.1., in CVI Test Execcuitve V 2.0.1, Executive is throwing error.
The Pop Error is " Section [Sequence] missing from sequence file c:\xxx.squ"..
and when I am trying opening these sequence file in sequence editor, the tool it self is crashing.
Please suggest!!
Is there any specific tokens which we need to add in .SQU files of V 1.0.1, so that V 2.0.1 can understand them? Just to check the possibility of manual updation of .SQU files.
Regards
Amit -
Vi session strategy with LV 7 in Test Stand
Hi all, Im a producing a set of vi's(LV7.1) which will be strung together in a Open Visa, Write visa ..., Read visa , Close visa, over several instruments.
I wish later to use Test Stand(3.1) to slice these routines, but I am not sure how test stand handles the session references when I break the flow.
Im thinking of a first step that initialises all instruments , then later steps that grab the session references and perform tests.
Do I need to store the sessions as varables in Test Stand?, or is there a better way?.Is there any examples that cover this topic?
thanksI guess that a better way is NI Session Manager.
NI Session Manager is the software component (of NI TestStand) from which you obtain instrument sessions. Session Manager returns a reference to the session object with the name you specify. If the session object you specify does not yet exist, Session Manager creates it and returns a reference to the new session.
Session Manager also allows you to close all opened sessions automatically.
"Only a life lived in the service to others is worth living..." - Albert Einstein
Attachments:
SMgrRef.chm 121 KB -
Is there any way I can convert a Test stand sequence and corresponding vi's to an executable?
I need some creative ideas on how I can convert a test stand sequence into an executable in the shortest possible time. I know that beats the entire purpose of using TestStand but I need to have a way to do this. Is there no other way i can accomplish this without writing a sequencer in LabVIEW and rewriting all of my code in LabVIEW??
There is no way i know or can think of to move all components from a TestStand application into a single EXE. Running TS in an application means that you should/must work highly unitized during developement and deployment.
In general:
-> Custom UI will become "The EXE" for the enduser. This involves the link for startup on desktop/start menu.
-> TS Engine, ActiveX Server, will be attached to the UI.EXE OS process when launched by the UI. Will never be part of the UI.EXE.
-> TS Compontens (e.g. process model, language files, ..). Will never be part of the UI.EXE.
-> Custom Components (e.g. modified process model components, reporting, ...). Very unlikely(never) to become part of the UI.EXE.
-> Custom Sequences. Will never be part of the UI.EXE, but extension can be changed to other than .seq.
-> Code modules called by custom sequences. Unlikely (but possible) to be part of the UI.EXE. Should be implemented and tested to run within the RTE (runtime engine) of the appropriate programming language. It is not par design, that the deployment system has the development environment of that programming language installed.
-> License information. TS requires at least the Base Deployment License installed and activated (requires NI License Manager software). RTE of modules might also include licensing and possibly activation fees.
Why is there the requirement to have a single, monolythic EXE (hard to handle!) at all? If it is about the deployment process, you know that you can provide a single MSI (Microsoft Installer) with all required components using the TestStand Deployment Utility?
hope this helps,
Norbert
CEO: What exactly is stopping us from doing this?
Expert: Geometry
Marketing Manager: Just ignore it. -
How can I get Test Stand to print failues only?
Rather than getting a large report file with hundreds of passes and only one failure, how do I configure Test Stand to only print the failures to the report?
Hi,
the engine callbacks are simply a sequence that gets called when a particular thing happens (i.e. Post Step).
There's three types
SequenceFile (for steps that execute in that sequence file whether it's a client sequence file or a process model)
ProcessModel (for steps that execute in the client sequence file run under this process model, but NOT the steps in the ProcessModel)
Station (for all steps on that installation - found in the StationCallbacks.seq sequencefile)
If the engine callback appears in more than one of the three places, then the lowest one (seq file->proc model->station listed lowest to highest)is used.
In your case, you could use any of them depending on your architecture.
Personally, r
emoving from the resultlist is easier than working out whether to add to it, but that gets tricky when you have steps which loop.
If you decide to make up your own add, then the PostStepFailure is the callback sequence to use (go to edit->sequencefilecallbacks). You'll have to add a new element to the resultlist, and start fleshing it out with the result container of the step (which you still have access to as a parameter) plus the TS container.
This would go into the Runstate.Caller.Locals.ResultList[x]
Also, don't forget to disable the result collection on all the steps in the test sequence, plus all the ones in your poststepfailure callback, since you're doing your own.
I'm attaching what I've done so far as an example - not quite finished, but it's done the TS container. Just now need to do the actual result container.
I'll keep working on it but for now you can see what I'm getting at.
Hope that gives you a kick start with the callbacks bit
Sacha Emery
National Instrumen
ts (UK)
// it takes almost no time to rate an answer
Attachments:
collect_only_failures.seq 31 KB
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