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Zyl

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Zyl last won the day on November 16 2010

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About Zyl

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  • Birthday 12/07/1984

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    Montreal, Canada

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LabVIEW Information

  • Version
    LabVIEW 2018
  • Since
    2003
  1. Hi Francois, I was seeing the DVR more like a 'pointer' (the address in memory) on the class, not a representation of the class itself. To me, if it is really a pointer, and the variable containing the pointer is public, I should be able to access the pointer everywhere. But of course, I wouldn't be able to use what's pointed (because it is private). This is the way I was seing this, I am maybe far away from the truth 🙂 Anyway, I wonder if it is the same behavior in C++ (or other OO language using pointers).... For the 'interface' part of the problem, yes the lvclass is a
  2. Hi! The class itself is private (set a s private in the lvlib), so nobody with the DVR can use what's in the class outside the functions in the LVLIB. The control containing the reference is public. IMO, I should be able to create the control outside the lvlib.
  3. Hi everybody, I'm running into something I don't really understand. Maybe you can help me here ! I've got a LVLIB that is used as an 'Interface': it exposes public VIs which wrap around public functions of a private class (see code attached) . The class is private because I want to force the users to use the 'interface' functions. In one of my interface VI, I create a DVR on the private class (Interface_init). The DVR is stored into a typedef (FClass_DVR.ctl) and this typedef is the 'reference' that link all the interface public functions. In TestCode.vi (which is no
  4. Hi ! I'm developping a TestStand UI in LabVIEW. Within this UI, I want to display the front panel of VIs that are played in a TS sequence into a subpanel. It works fine ... except for values that were set into the 'sequence' VI (LV Step) before the front panel was loaded into the UI subpanel. If I want to 'redraw' them I have to read a property on the front panel controls into my LV step... I want my code to be as more generic as a possible, so I dont' want to add extra code into my LV step just to ensure that it will be displayed correctly into the subpanel. Do you have an
  5. We do commit broken code ! And we think it is important : the trunk is the 'ongoing' state of the developement. So it is normal that the code is broken if prototype or wrong code is delivered. If we cannot build and make tests with the code, there is no chance that a stable release will be tagged. For the rest it only relies on team management and communication. But at least wit heth locking system and identified commit, we have a chance to know what is going on or at least who did it.
  6. Thank you for your advices! I'll go with Mercurial and my Synology !
  7. Hi! Thank you for all these answers. Hooovah: Thank you for the precision on separating compiled code / source. however for some of our customers, we still use old LV versions (2010..2013). So I guess the issues can still be a problem for these projects. Smithd : Locking on SVN helps a lot when working on big projects (I had once more than 10 developpers working on the same project) and it prevents headackes due to the merging process in LV. Since a locked file is read-only, and with LV well set, you don't get 'modified' VIs just because you opened them. Our rule is to un
  8. Hi ! I know that there are numerous threads about SCC, but none really helped me to answer clearly this question : I want to move from SVN to a DSCC to be able to commit even if I cannot connect to my server, which DSCC should I use between Git and Mercurial AND how should I set it ? I use SVN for years now, and I always apply the same rules to be able to work with several developpers on the same projects : Files are all locked, a developper MUST unlock them to work on them Locked files are read-only LabVIEW is set to treat read-only files as locked and not to save
  9. Hi! Maybe you can take a look to the advanced plotting API : http://advancedplotting.github.io/
  10. This idea is mine and I posted back in 2014... Since then it is maked as 'In dev'.... In 2014 I was mainly developping my own RT apps, with my own framework (that is why I built a web console based on WebSocket). But now I mainly work with VeriStand. Even if my console is still usefull, it is even less easy to use it with VS. Looking at the number of Kudos on thsi idea I tought that NI would have put more eforts into it, it such a basic option...
  11. The 'console' is there on VxWorks and PharLaps system since ... a long time (I would say since the first release of LV RT, but I'm not 100% sure). You can see it indeed with video-hardware equipped targets but also on the configuration web page. So the video hardware is not necessary. Publishing string is done calling 'RT Debug String' VI. Works fine on VxWorks and PharLap cRIOs, and has absolutely no effect on Linux RT cRIOs (no error, no effect, seems to be no op when 'Write to monitor' is selected). When you are migrating code from 1 platform to another, you expect keeping the same beh
  12. I perfectly understand that there are many options to trace that comes with Linux. But I don't think that NI not picking one solution is a good idea. When you use for years the RT targets and get use to use the console to debug, when you switch to Linux RT you've got nothing anymore... or at least nothing immediately operational... All previous code routing messages to the console work without error, but actually do nothing, and you keep searching for the 'console'. When you do that in conjonction with 'linux' keyword, you just fall onto posts saying that the console is now on ... the serial p
  13. Hi Rolf, I definitely should look deeper at Syslog. I don't like the 'file' option because it doesn't tell me 'immediately' what is going on in the target. And most of the targets I have are equipped with a tiny HDD (mostly 9063) so the file size monitoring would be 'critical'. I'm pretty sure it can work with VeriStand, but I must ensure that this solution can work on other supported targets (I've got PharLap and Windows targets as well). And again, I've got to design a specific (but reusable) monitoring thread in each custom device that may be played on the targets. Compared to th
  14. Syslog is good point! I'll try that in future devs. But I guess that it will again a 'pain' to have this working with VeriStand...
  15. Thank you for your answer. Yes indeed, the debug is difficult in the case you're using VeriStand : you have no way to get the RT VI FP when it runs on the target. File is an idea but you can only read it when th execution is done, not 'live'. In MAX you have the console option, yes. But it only enables sending strings on the serial port.
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