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About totomalino

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    LAVA groupie

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LabVIEW Information

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    LabVIEW 2009
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  1. Hello, I made a plot representing a temperature profile with some ramps, dwells...loaded from an excel file. But now, users would like to modify temperature profile directly and dynamically on the plot, after having load a basic profile from excel file... I heard about Xcontrol which can do that, but I can't find it. So, do you know if it exists, and especially if the code is free? Otherwise maybe you know other ways to proceed? I ask for that because I have not so much time to make it, and I don't want to reinvent the wheel ... Of course, if nothing free to use exists, I will make it myself, but even in this case, help would be appreciated, since I have no idea how to start (using plot reference, events...) Thanks a lot, Best Regards Antoine
  2. hi Thanks for your answer. Ok, so disable buffering on RT target is not a way to follow. Actually, I have a "spinning" buffer with 150000*4 bytes of data, which is equivalent to 30s of measurement. If I save it on the HDD of the target via binary file , i can reach less than 2 seconds to process, it's the best that I can do for the moment. thanks again, your answer helped me Cheers Antoine
  3. Hello, I have a question regarding file I/O : I have a PXI target, with 8110 Controller, LabVIEW RT 9.0 inside. I handle a big amount of data coming from RT FIFO shared Var. I would like to store them on the HDD of the controller, and try to use fastest I/O file operations by using Windows buffering disable. But if I set (true) input "disable buffering" in Create/Open/Replace File vi, I get error 6. If I reset it (false ) I have no problem...if I set it under my host computer, not on the target, that works....Does it mean I can't disable buffering I/O transfert with LabVIEW RT 9.0? it's curious, because in some knowledgebase papers, it seems we can... Thanks for your help Best regards Antoine
  4. Hello Hugues, Sorry for the delay, but I had a new question regarding using of registry, I look a t my former topic, you provide me exactly what I need!! Thanks a lot Antoine
  5. Hello, Thanks a lot for your answers, I will have a look on your ideas. Cheers Antoine PS: I attach a test project, (test.zip) with a custom periodic server based on server.vi, which refects what I need. You can see I used Call chain.vi to get the path of the server itself when it is running (vislt_serverXX.vi). But if I opened a ref on it to get its path, I have a <not a path>...The idea was to retrieve the path of vislt_serverXX.vi, because when I create an exe, I noticed that in the builds folder, there is a folder \builds\LVDSC\Custom VI Periodic Server\9.0\templates inside. And this folder is included in same folder than the .exe I attached also a picture showing dsm, with my server running (). Thanks again
  6. Hello, I made a project which use a client vi and also a Custom Periodic I/O server which communicates with an apparatus "home made" via TCP/IP. All works properly, and I have to do now an Installer for this project. The final user can choose where he wants to install the executable. In my I/O server, which runs in Background via tagsvr.exe, I need to know the path of the client executable, because this server generates datafiles and I would like to store them in the same folder than the executable, in order to make it easier for the user to retrieve them. But I don't know how to proceed...In the server, first, i used Application directory.vi thinking that the lib which manages the server is belonged to executable folder, but actually, the server path is C:\Program Files\National Instruments\Shared\Tagger. This is normal actually since this is the path of tagsvr.exe.... So my question is how can I retrieve the folder of the client executable in the I/O server, from where I can build paths for data in the correct folder? I think about registry key, where after using installer, the path of the executable chosen by user could be stored, but I don't know if it's possible.... Thanks for your answers and ideas! Antoine
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