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Everything posted by ensegre
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Kill lonely clones vi without close Project windows
ensegre replied to Bobillier's topic in Development Environment (IDE)
I don't know about that tool, but doesn't Task Manager help, instead? -
class instance sharing in multi loops
ensegre replied to VadimB's topic in Object-Oriented Programming
or simply implement your serial queries of both kinds via a single non-reentrant VI, so that only one loop at a time uses the serial resource? (more sophisticated, use a VISA lock) -
Kill lonely clones vi without close Project windows
ensegre replied to Bobillier's topic in Development Environment (IDE)
Ah yes: -
Kill lonely clones vi without close Project windows
ensegre replied to Bobillier's topic in Development Environment (IDE)
check also -
Kill lonely clones vi without close Project windows
ensegre replied to Bobillier's topic in Development Environment (IDE)
Interactively in the IDE, Programmatically, I'd be sure it can be done with VI server invocations, the only difficulty might be in getting the exact ref to each individual clone - but I sort of remember that there is a way which I've used in the past. -
Event case call from another event case in Event Structure
ensegre replied to nagesh's topic in LabVIEW General
There is no such a thing like a property node of an event structure which tells what event has been fired (at least in a simple way that I could know), but it is completely possible for the code inside an event case to fire other event(s), which cause other cases of the same or of another structure to be called. You can use anything which generate events: value (signaling) of any control, dynamic events, etc. Personally I do such things all the time in simple GUIs. However, an event calling another event already smells of "you need rather a state machine" or "you need to think at architecture". -
Image-aquisition with LabView2020 for Linux from a GigE Camera
ensegre replied to Yaw Mensah's topic in LabVIEW General
If the only way of commanding your camera is through the vendor sdk, bleh. As Rolf wrote, though YMMV. If by chance the camera is supported by v4l2, there you go; shameless self ad. -
NI abandons future LabVIEW NXG development
ensegre replied to Michael Aivaliotis's topic in Announcements
I see. Thanks Rolf. In fact I am so used to see Qt used by vanilla OSS, that I overlooked the issue of licensing. All technical potential showstoppers aside, in any case. -
NI abandons future LabVIEW NXG development
ensegre replied to Michael Aivaliotis's topic in Announcements
Just spitballing without knowledge, but via anything modern like Qt perhaps? -
Assign Array numeric to an alphanumeric value (letter, string)
ensegre replied to Apolo's topic in LabVIEW General
To start with, you probably want to write your results into an array of strings, not of numbers. And anyway, what should be the purpose of the while loop and of the event structure with infinite timeout? -
alien --target=i386 is not it? (I forgot since last time)
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Probably you shouldn't have. Forgot what I did then, but for me $ file /usr/local/JKI/VIPM/vipm /usr/local/JKI/VIPM/vipm: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.33, BuildID[sha1]=ff35d7adc7d9ef4e1ee0b41f6d67085e2c22dbe7, stripped $ file /usr/local/JKI/VIPM/support/*.so /usr/local/JKI/VIPM/support/lvanlys.so: ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), dynamically linked, stripped /usr/local/JKI/VIPM/support/lvzlib.so: ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), dynamically linked, with debug_info, not stripped
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I can build executables on my installations of 2018 and 2019 on Ubuntu, FWIW. Used alien as well (alien --install --scripts or something the like. Seem to remember also --target=i386 to force the installation of some component). Have not yet installed a 2020 so can't say, but is there chance that you skipped one rpm?
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This one is simply great as a GUI for that. If you're looking for a programmatic way of monitoring running clones, I guess you simply have to look under the hood.
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I found this one dated 2016: http://download.ni.com/cert/doc/NI PCIe-5140.pdf
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If you'd like to give me a review on this... I actually never used it for anything serious, but it was working for me.
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Right, if I put it there I get all the brown and light blue bonanza. I was mislead by http://zone.ni.com/reference/en-XX/help/371361B-01/lvconcepts/customizing_your_work_environment/#How_LabVIEW_Stores_Options which is pointed at https://labviewwiki.org/wiki/LabVIEW_configuration_file. But uh, that is the help page for 8.2. Still, it is at odd with https://knowledge.ni.com/KnowledgeArticleDetails?id=kA00Z000000PA7rSAG&l=en-IL
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I see, thx. Still don't think my LV19 can toggle it with Ctrl-shift-DH, nor I seem to be able to create the brown nodes (it's ~/.labviewrc), but whatever. i was just curious.... thx for the conversion.
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I'm curious to see if that exists in linux too. LVdebugKeys=True + Ctrl-shift-D-H don't seem to apply. Could someone attach the snippet saved as VI for LV<=2019??
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spitballing, having never worked on cRIO: standard linux ways like just parsing the output of free wouldn't help? Or reading /proc/meminfo?
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Multi threaded telnet comms
ensegre replied to alecjcook's topic in Application Design & Architecture
Do you really need the whole power of telnet? Because if no commands are involved you can just tcp read/write, which I assume works multithreaded. At least that was the case the last time I had "telnet" devices to communicate with. ...Have you seen this thread?