Boolean latch to Stop function Test loop

Similar Questions

• My 'stop' boolean does not stop my time looping

  I don't know why, but my program just continues even after I press the 'stop' button in the front panel.

  I can't understand why. (I'm a newb extreme of LabVIEW, so apologies if this is something extraordinarily obvious.)

  There are two ways to fix this:

  1. Add another case of pylone2 value change event. Now put the pylone2 inside the new case and it wire to the Terminal to stop the loop.

  2. Add a constant to the connection of the clock in the upper left corner of the structure of the event.

  In solution 1, that the loop runs only if one of the triggers of the case, since you don't have an event for the stop button it will not play when it is pressed. In solution 2, adding a constant of millisecond to the timer, there will be a created event timeout, the loop will run at this pace of MS, then the stop button will be seen by the program. If that's all you have in your loop, then option 1 is probably the best to use.

  When I started with LabVIEW, I went through a lot of examples, take a look to find examples in the Help menu and take a look at the fundamentals - loops and Structures.

  I hope this helps.

  Ian

• Stop several parallel loops - error & stop button status

  I have several ongoing loops run in parallel and want to arrest all a loop based on the question whether one of the two conditions are met:

  • One of the loops has an error
  • You press a stop button

  Right now I do this using a master loop that checks to see if any of the loops have a mistake or if you press the stop button.

                                                   

  The problem I have is that I do the references between the loops using indicators of State T/F. These lights if it is the judgment of loops. This means that, at the end of a test, all the lights are on, and before the program is run again each light must be unchecked. It is not easy to use and my program grows I don't want to have to uncheck 20 bulbs before each test.

  

  Is there a way to make the lights reset at the beginning of each test, or is there a better way to refer to the status of each loop?

  An alternative is to use a notification utility.

  Implement a notifier with a Boolean data type.

  The stop of two loops of wire to the output of a waiting for Notification (remember to set a time-out).

  If an error occurs, or you press stop then send a notification.

  By clicking on Stop stop the two loops. Or a mistake in a loop will stop both.

  It's not more complicated I think a FG.

  

• HOW TO CREATE A STOP COMMAND IN LOOP FOR

  I have a problem. I can't put a stop to the VI attached here. I want to stop an iteration without support on cancel execution, because I want to connect this VI by a Subvi to control a motor continuous.

  Thank you

  Hello

  in order to stop your first vi, you can use a stop button for the while loop to 'or' with the release of your "equal" comparison function Then you can also use a local variable created the stop button to stop the loop for, configure it with a conditional expression (right click on the loop for > conditional expression).

  This way if you press "stop"button, you will stop the while loop and the loop together foor.

  Good bye

• Stop a while loop in a sub - VI in a message in queue manager

  Hi all

  I am trying to program a control for certain manufacturing equipment. For this I use a message in queue manager. Within the QMH, I have a VI that controls a particle size probe (called a PPC, at the bottom of the first image. When I start the main-vi, the PPC.vi is on the case "Parsum measurement", in which measurement data are repeatedly called in a while loop (screw for call data provided by the manufacturer of the probe. Also, I am aware that I don't connect the data again. That will come later.). When I want to stop the measure, I have send the message "Exit" to the PPC.vi (last photo). However, the vi is stuck in the while loop in the case of the measure and is unresponsive. I tried to send a notifier with a constant value true, but that did not work as well.

  You have any suggestions, how can I stop the while loop before you send the message "Exit"? Or is the completely different way to approach this problem?

  Thank you!

  

  

  

  I just threw together a framework very fast to help you get started.  The thing I noticed is that the library of the queue doesn't have a time-out of the waiting message entry.  Since it is your own local copy (to the project), add a timeout and connect to the element Dequeue function.  I by default set to-1 and make it "recommended".

• Code Golf: stop two while loops with guaranteed ratio iteration

  Proposal

  In the vein of the tradition of Perl, I would like to see if there is any interest to solve a few puzzles programming in LabVIEW. Can someone post a problem and define the rules to solve.

  Here's a question for beginning/intermediate to sharpen your "palette".

  Description

  With a user action, how you would stop two while loops such as the relationship between iterations is the still the same? Concrete to view this situation is to take action: both instruments use the same source of synchronization to take measures, but second divides the clock down so that it is a little slower than the first whole factor. For example, if the slower instrument is four times slower, then at the end of the VI, the slower instrument takes 100 measures the fastest instrument took 400.

  Rules

  • You can use vi.lib
  • You cannot include any other subVIs
  • Your solution should pass for loop1 interval as low as 25 ms

  Model (joint in LabVIEW 2009)
  

   

  If people are interested in this, then we will find a way to improve future problems. Please post your suggestions and criticisms, but only if you also post a presentation ;-)

  MacNorth wrote:

  [..]

  If we choose the first suggestions, the VI has yet to recover the data at different speeds. You can dedicate a loop for each instrument to disassociate a jitter and latency introduced by their connectivity or the inner workings. This adds a margin of safety when there is a conflict of thread and the pilot. You can also implement a simple counting as altenbach loop and renounce the multiloop complexity.
  [..]

  It is a very good point. But I wanted to make sure, you should / need to discuss the benefits, but also the disadvantages of the design. Implementation of an application is most often a process of 'special cases '. If a framework/design for a single application model does not necessarily correspond to another application.

  Designs are always strongly according to the requirements and constraints. What gives here designs will result in educational services, of course, but not necessarily as reference models for specific applications.

  Advantage of simple loop:

  • No synchronization between several loops required
  • Can easily implement any whole factor between services (quotent & function remains for a case structure

  Disadvantage of simple loop:

  • Take advantage of the multi core systems (at least not much)
  • Can easily run out of the time constraints (material not "not responding" enough, fast manipulation of data takes too long,...)
  • Code will accumulate within the structures of the case, where the readability could suff

  The advantage of multiple loops:

  • See essentially the disadvantages of single loop (several loops solve those)

  Disadvantage of multiple loops:

  • More complex, especially for the sync switch (not beginner friendly, requires a more/better design)
  • May contain easily questions source such as race conditions and locks

  A little side note:

  Even if the equipment works different acquisition rate, this does not necessarily that the software must use different rates for data extraction. You can use the same model of an hour, but get X times more values for the task faster than the slower running. The 'only' thing to care of are the sizes of buffers and bottlenecks in the data transfer.

  MacNorth wrote:

  [..] The best advice published OR shutter multiple while loops (https://www.google.com/search?q=labview+stop+multiple+while+loops) are laughable (and the 'solution' in my model). [..]

  No, it's not laughable. For many applications, this approach to shutter at the same time several loops running is OK. The constraint: only for simple parallel running loops.

  More complex loops (producer/consumer and similar) with the more complex data relationship ships require more valiant approaches such as queues, declaring events or user.

  My 5 cents only,

  Norbert

• Tool of functional tests for MAC OS clients.

  Hello

  I'm looking for functional tests Open source for MAC (not iOS) tools,

  Any suggestions for tools that can perform automation of end-to-end.

  something like test for windows.

  Also apple script can perform checks/statements.

  Thanks in advance.

  Hello MacJioNewbie,

  I suggest you stay away from AppleScript. While it has some uses for developers, but it is primarily a tool for the end user.

  Looks like you wanted to Xcode UI Test. The first point of departure would be video Apple's WWDC: Tests of UI in Xcode - WWDC 2015 - videos - Apple Developer

  Xcode also includes a framework that is fairly easy to use unit tests. I confess that I have never tried the user interface test architecture.

• simple question to function test of value chain

  Hey guys,.

  I m just started using teststand.

  My simple question is related to the function "test string value '. What is the difference between the "type of comparison' CASE SENSITIVE and IGNORE CASE? From my point of view are not really meaningful names.

  To avoid simple and stupid questions like that, I tried to use the internal helper function. I'm wrong when I say that the help features are not as good as in labView? I couldn t find any answer to my question... hmmm... How other people handle this situation? (outside of just trying?)

  Thanks for your help

  Hello

  Case SENSITIVE: it will fail if you compare "HELLO" with 'Hello' or 'A' with 'a '.

  IGNORE CASE: this will pass if you compare "HELLO" with 'Hello' or 'A' with 'a '.

  Hope that explains

  Jürgen

• QMH stop not all loops

  I'm having a rather funny problem I can't find what is happening.

  I have a QMH structure with several line-ups at several control loops. I have the exit button linked to cases of output on all my curls, but when I hit the exit button, LabVIEw does not stop. I understand that two of the loops never send a real signal to the node to stop, but the loops themselves don't update. If I run the program with execution of climax, the program stops as it should be, but running without execution of climax he hung up. Probe window stops showing the execution time for the loops, so it seems that the curls have ceased, but LabVIEW continues to operate. I have tried everything I can think of nothing doesn't.

  Any ideas what's happening?

  I see nothing on your stop, but here are a few comments:

  1. you need not wait 0 in all of your curls.  The process to dequeue and waits inside your auto enqueueing case will take care to not let the loop being greedy.

  2. in the render loop, there is no need to queue the status of the "display update" because that makes the loop DAQ.  You probably found in a weird State with one where you have additional items in the queue of messages, but you are waiting in the queue of data.

  #2 might actually be your problem.  If data acquisition loop was arrested, but there are still more UpdateDisplay in the queue of messages for loop to display, but the queue of data is empty, so will you be waiting for always coming data.  I actually would eliminate that data queued and simply use the command queue (putting the 2D table in the variant data message).  Do the same for the loop of logging.

• How to stop an infinite loop due to a guest user placed during development without close LabView?

  How to stop an infinite loop due to a guest user placed during development without close LabView?

  Thank you!

  Hi chuck72352,

  Press on "Ctrl +." and keep pressing OK on the MsgBox. There will be a point when the program terminates.

  Mike

• 7 error "Paris 7.2.241.1enRegInstaller.exe of work and has been closed." A problem with the application to stop functioning properly. Windows will notify you if a solution is available.

  Original title - 7.2.241.1enRegInstaller.exe

  Hello.

  Today, JUST after I "Set Windows to update," twice, I got the disconcerting message:

  "Paris 7.2.241.1enRegInstaller.exe of working and was closed".

  A problem with the application to stop functioning properly.  Windows will notify you if a solution is available. »

  Any wisdom or experience with this?  I'm on a 64-bit HP Pavilion older (dv7-1245dx) with this OS JUST-update Windows (Vista Home Premium).

  Thank you.

  GIES W

  The solution has been found just uninstall bing bar, restart the computer, and if you want just bing toolbar to reinstall. This easy solution my system fixed.  Bing has again reminded all my points that I have amassed

• stop a sound loop :(

  I am extremely new to Flash as a whole.

  I imported sound and dragged to the timeline - after watching a bunch of discussions I realized that I couldn't change the music at all.

  How to stop music from looping through itself?

  Here is the animation until now:

  http://www.fastswf.com/ruTpjkg

  What should I do to get it actually stop?

  If your timeline plays repeatedly the keyframe where starts your sound, you will need to remove your sound on the timeline and use actionscript to play your sound.

  Otherwise, click the keyframe where starts your sound and, in the properties panel, there is a loops parameter which should be 0.

• OpenScript record functional tests, but no load test on firefox

  Hello world
  
  I record some tests with OpenScript 9.3.1.0, I have no problem recording of functional tests with IE or FF, but when I try to save a load just test IE works, firefox opens the window and I would like to do everything normal, but it records nothing; I would try with FF 3.6 and 3.5, I would launch the diagnostig tool but it does not show me something wrong. I hope someone can help me.
  
  Thank you
  
  Published by: user8874599 on June 8, 2012 13:45

  Hello

  When you load test OpenScript will change your browsers proxy to point to localhost 7777 as is the port that openscript internal proxy uses to save the navigations, can you check if when the parameters of proxy registration with FF is FF changed?

  If this isn't the case, you can try to manually change them to point to localhost 7777 you will find the settings in the Options -> Advanced -> network -> settings.

  If the proxy is already set, please check that there is nothing on the no proxy for: box

  Hope this helps

  Alex

• Why the stop(); function interferes with another function?

  I have the code Ned Murphy to give me yesterday and it's going perfectly, but when I put the stop() function; so my frames are not crazy, this dose of code no longer works.

  The button (b4) which has this code is in a large movieclip with the other buttons, and the code is placed on the first layer in the main timeline, and not in the movieclip. So my question is... why the stop(); function interferes with this code? What I am doing wrong?

  (B4) button also has a code which is in position in the button and we have no problems with stop();

  The following code is located on the main timeline and it does not work when I put stop(); on the timeline of the movieclip that contains the button.

  bot.bott4._visible = false;

  B4.onRelease = function() {}

  bot.bott4._visible =! visible bot.bott4._;

  }

  The code that is in the button is:

  (release)

  {

  _root. Bot.gotoAndStop (5);

  _root.bott4.gotoAndStop (5);

  }

  Thank you

  Something seems wrong with the nomination that show you.  In the first set of code that you show that you're targeting bott4 as if it were a child to the bot, which means that they are not on the same timeline.  In the second set of code you bot target and bott4 as if they were on the same main timeline.

• The OSMF will support the STOP function?

  Good day, everyone!
  Puzzle:
  With respect to the basic function of the media player, OSMF, the STOP function will consider in the future?
  If so, there will be a new feature added in the org.osmf.traits package. Is it fair?
  If this is not the case, how can we implement the STOP function in the current framework of the media?

  You you give me some advice?
  Thank you!

  That's exactly how we implemented the stop() on MediaPlayer method: a pause() methods followed by a seek (0).