strict typedef typedef by script

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• typedef and strict typedef control server vi LV 2011 reference number

  Here are the steps I did...

  (1) on my PC, I have a strict typedef.  As a simple example in the strict typedef Boolean control.

  This problem has reported OR R & D as a request for Corrective Action (CAR # 323101) for further investigations. Thanks for the comments!

• LV FPGA - Front Panel strict Typedefs are not flexible

  Hello

  When using LabVIEW FPGA and implement a strict typedef on the Panel before the FPGA, this causes issues with the FPGA generated in the PC Code reference. I have attached a picture.

  

  In the code of my PC, I generate the ref FPGA, then use it. In the subVIs downstream, I use the same REF. It works very well. But if I never change the strict typedef and recompile the code FPGAS, can I get the wire cut as in the attached photo. I have to manually recreate this indicator FPGA Ref and cut and paste in all the subVIs downstream, pain in the ass!

  One might think that the strict typedef should not update in this manual. You can fix in future versions, or I do something wrong?

  Configuration information:

  • Open FPGA VI reference is to the bitfile and dynamic mode
  • FPGA VI on benchmark is the same bitfile
  • Downstream of fpgaRef indicators come bitfile too.

  Thank you

  Justin Reina

  You bind the FPGA reference to an interface or to the VI?  I think that if it's related to the VI you should not see this problem, but if link you to the interface of this problem would be understandable.  Also, have you considered reference FPGA so a type definition?  Then, you only set in one place if it does not break.

  EDIT: in case it isn't clear, by binding, I hear a right click on the indicator and choosing configure the FPGA reference.

• typedef vs strict typedef

  What is the difference between a typedef and a strict typedef?

  And in the interest of teaching to fish, where can I find this information? I could not find information about the typedefs in PDF files that came with LabView.

  Thanks for the help.

  Try using Labview.

  Definitions of type 'strict type' and 'definitions of types'

  It is quite clear. If you need assistance repost.

• Why this dot on the typedef table indicator strict coercion?

  Why is there a constraint on the second point control?

  I created a table of 3 trivial elements of doubles and created an indicator by right-clicking on it in the block diagram. It is the control of "CreateIndicator".

  Then I did the same thing to create a second indicator on the same wire from the selected Panel and output it he adapted to a strict typedef, saved and applied the changes. It is the control of "CreateIndicatorThenCustomize". There one point of coercion in this regard, if. Why?

  Thanks to anyone who can shed some light on this for me!

  Don't get started me on the "point of constraint = copy of the buffer" falicy (hm, I think you just!)

  It this case LV says you type conversion non-defed in type-def, who all had there.

  Ben

• typedef

  I have a strict typedef that I use to the startup configuration, is a cluster which is full of clusters and these clusters of all
  has strings and indicators dbl. When I change what's in the string or the value of the indicators, it does not come through
  in the program. I thought that a strict typedef would update the value in the typedef when used?

  Imagine a type def (strict or not) is a classic as numeric type for example.

  You can use several digital but you do not want this entirely digital changes if you change one.

  This is the case even for type Type def beats are only a means to define a custom representation of data but not the content.

  If you want to propagate the values between them, you must link them (indicator control, local variable, knot of furniture, etc...)

• How to define a typedef'd ring of text to "adapt to the pane.

  I am trying to create a program with a statusbar that displays some error messages. So what I did is, I created a small vertical crack, deleted the scroll bar and everything and inserted a ring of text, containing all the status codes. Works very well. So that the user is able to resize the program window, I checked the object "scale with glass. Still: works perfectly. Now trying to become a master of the flow of data and structured labview programmer, I do the textring a typedef. Of course I avoid making a strict typedef, so that I can re - use and re-design, too. Now what is happening, it's that when I drag the control newly created in the status bar, the 'object of scale with component' option no longer appears. Why? How can I get it back? What Miss me? Alternative: is there a better model of design on how to tackle such a scenario? Z thank you

  Hello

  After watching in this deep I discovered, that if you the indicator first make scalable with pane and then do a typedef, the indicator dimensionnera with component. However, if you copy the typedef, scale with beaviour pane disappears.

  This is certainly not the behavior that you expect. That is why I tabled a CAR for the question who has the number 333531

  If you download the new Version you need to find the number of these release notes. If it appears, the problem has been resolved.

  Sorry for the inconvenience.

• VI Scripting VISA Write / Read

  Hello

  I am using VI scripts to change the setting of the context menu for a node GPIB write or Read GPIB - Mode of e/s synchronous. I get the reference to the node GPIB write , but when I try to use the ToMoreSpecificClass function with the target GPIBReadWriteclass, ToMoreSpecificClass returns an error 1057: LabVIEW: Type mismatch: object cannot be cast to the specified type.

  I tried the same thing with the function write into text file . It also has a context menu setting for convert EOL. Trying to convert his reference with ToMoreSpecificClass function with the ReadWriteFile of the target class causes the same error: 1057 Type Mismatch.

  What Miss me?

  Hello

  Members, I found were "binary file read" and "write to the binary file. I have attached a simple script how to find all the possible functions of a certain class.

  Just to clarify: since VI scripting is not an official member of LabVIEW is not a 'problem' in the strict sense. VI script provides the helper function that can be used if it is present.

  Best regards

  Christoph

• How can I update by program table combo box control type def?

  I use LV 8.6.1 and I am trying to create a table control panel object in which the user can select an item to list box for each element of the array.  I also have to periodically update the list of values.  Currently, I have configured the drop-down list box (selection of Automation sequence - see attached) as a type non-stricte def so I can write news channels to the list values when I need to.  But I can't seem to find a way to get the table (list of batches - see rasthaus) fill the new value drop-down list box.

  Automation box refelcts the new string sequence selection that I add programmatically, but the combo boxes in the batch list table control do not have the new channel.

  Anyone have any ideas?

  I have attached the screenshot of the drop-down list and table controls.

  Thank you

  Dan

  I considered that mention strings and values have a property that cannot be stored in a typedef, but when I tried it out, it seemed that it was.  So I just did not comment on that.  Maybe the strings and values may be among the typedef, maybe not.  The values of the controls certainly cannot.  Strings and values can be in kind of a gray area.  But you can certainly expect changes to a control to automatically update another control, because they are typedefs.  You cannot change the typedefs during execution.

  Let's put another example that has nothing to do with the values.  You have a regular typedef of a digital.  It is saved with the text in red in scientific notation.  You place two instances of this on your drawing.  You can programmatically change each other colors or other digital formats.  A change does not affect the other.  If it's a strict typedef, you would be locked in the way in which it was saved and could not change it programmatically.

  Take a look at this.  If you cannot programmatically, to update your channel list and values for a single combobox (a scalar string) you will be able to put up-to-date for when the combobox control is the data type for a table.  Simply get a reference to the element of the array.  It does not use typedefs anyway.

  

• Where is my def of semaphore type?

  Hi all, I have an embarrassing problem involving a strict type of semaphore def indicator. I use LV2011 SP1.

  I recently loaded several versions of a job that a colleague developed approximately 10 years on my computer. I did experiments with the latest version, mainly as an exercise.

  Naturally, I have backups of all the code, and I was working was actually a special, renamed copy just for safety.

  In total there are 6 separate labview projects covering several generations of employment, and they all ran.

  One of the things I was looking at was the use of two semaphores. These are used by getting a semaphore and then put it in a hidden flag. When the semaphore is necessary a ref to the indicator and a property node are used to retrieve the semaphore to acquire and release. LabVIEW actually creates a strict type def, instead of a clear indicator when you do this. This type def comes from the Semaphor.llb in the folder of the usefulness of the VI library.

  In my experiences I had disconnected the def type indicator, turning it into a clear indicator. He broke the VI, so I tried to undo the disconnection. It did not work. No problem, I thought.

  I closed the VI without saving it and reopened it expects to find the def type back in place. It wasn't. I then looked at the suite to find why the VI was broken and discovered that all references semaphore had disappeared from the block diagram. In fact, missing the referees for the two semaphores (I changed only one).

  I wasn't always too concerened because I had a lot of back ups that me is outsourced. But when I looked more VI, I discovered that each copy of the VI in each project had now broken in exactly in the same way.

  Then I the repaced with our backup system backups, but once I ran all projects has been broken in the same way.

  Then, I took out an old laptop with labview installed and ran back up to this point, without any problem.

  I then went back to my original broken VI experimental and replaced missing officials with new ones for normal semaphore flags and the VI is represented.

  If I create a new semaphore and the indicator on the laptop, it creates a strict type def, which seems to be OK. But if I do it on my computer it creates only a normal indicator.

  It seems as if somehow labview has lost the ability to connect to the def of type in the semaphor. Bachelor of law (it's still there, I checked). I also tried to create a regular flag and replace it with the type def in the llb. I find the type definition, but it cannot replace with it.

  Another thing I tried was to create the type indicators def in a VI on the laptop and then copy the VI on my computer. Indicators became normal on my computer.

  I'm sure that if I uninstall and reinstall Labview things will just come, but I hope that there is an easier and faster way. For me, it was suggested that somewhere there is an option to choose what type of indicator is the product which I changed somehow, but if so I can't find it!

  I hope that someone will help solve this problem.

  Jonathan.

  I haven't used semaphores, so I'm not familiar with this file individual .llb.  I'm a little surprised that it will create strict typedefs.

  My thought is that sometimes you accidentally changed the status of this reference typedef and got it rerecorded in the .llb file.  Look at the dates of files of the semaphor.llb on your computer problem and which behaves very well.  Who could tell you.

  Try to copy the file semaphor.llb from the PC during the work at the computer that is having problems.  (Do it with all your files and LabVIEW closed just to be sure there is no accidental error cross-linking).

• How to create a custom control for a button where the look apply to everyone else but not the Boolean text?

  Hi all

  I would like to create a button custom as a master, so that if I change the look of the master all other buttons are changed.

  I did it with a custom control, such as a 'type strict def' otherwise the look will change , BUT if I do this as a strict type def I can't change the Boolean text more which should be different on each button.

  How to create a master control of a button where the look apply to everyone else but not the Boolean text?

  Steve Chandler wrote:

  I don't think that you can do. I just looked and as I suspected the Boolean property text is read only for strict typedefs, you cannot use the nodes property to change the text.

  As a just solution make it a typedef. When you want to change the open look the typedef and strict rendering, make your changes, then make no strict again. You will need to update the text Boolean yet once for all instances. Kind of pain. This is perhaps something for the exchange of ideas.

  Alternatively, remove Boolean text and replace with legend

• Command requires controller GPIB be supported on dequeue item

  I have some funky stuff pass in the attached VI. What is the VI is simply to save data to a text file. It is built as a state machine. State of creation of this VI is called from a mainVI (with the help of named queues). I have more than one error and it seems completely random. Usually, the error occurs if I stop the mainVI, then it starts again. The second (or following) times the VI RFP is called, I get random errors like the two below:

  Error 1 has occurred by the Dequeue item in DP.vi-> PSS.vi
  Possible reasons:
  LabVIEW: An input parameter is not valid.
  ---
  NOR-488: Command requires controller GPIB be in Charge.

  Error 1 occurred near file in DP.vi-> PSS.vi
  Possible reasons:
  LabVIEW: An input parameter is not valid.
  ---
  NOR-488: Command requires controller GPIB be in Charge.

  Why is this? I don't even have a GPIB controller?

  Are your uninitialized purposely shift registers?

  If you have an error in the dequeue item, shift registers will be filled with the error of the DQ and ref file empty.  on the next call to this VI, if there is an error in the CV, it will lift the ref of invalid file on the dialog close error. If it does not exist, the former error will spread and you get the dialog box for it.

  and I bet your DQ is to launch an error because your enum in the queue of DP QSM is a non-stricte typedef and you changed somewhere.  make strict!

  According to me, there's only something mixed with your selector error case and the case of your state machine error.

• Not a number/path/Refnum? Does not work with a reference SE

  Hi all

  I am writing a LabVIEW application and check that the Switch Executive session is valid before I allow the user to validate the test to run. I connect the not A number/path/Refnum? Function to reference session SE and it connects correctly, but the output of the function is never wrong even though I see the session reference is valid and non-null. Any ideas why this is?

  Thank you

  Nick

  It was a trick to convert a reference internal in an external shared library (usually a pointer memory) in a datalog refnum strict typedefed. This safely prevents a user to connect to what anyone, but this type of refnum at the VI in question. But this wasn't really a datalog refnum and the is not a number/path/Refnum refnum, which subsystem to question the validity of a refnum to determine based on the subtype. The LabVIEW datalog Manager ever created this refnum and hence will return correctly (not one of my refnums which is currently known to be valid).

  Because of this problem the misuse of datalog refnums as a unique resource identifier has been abandoned more in recent years. Also it will work with any external resources representing pointers memory when using 64-bit LabVIEW, since memory pointers are big in this 64-bit environment LabVIEW refnums are still 32-bit.

  Collate OR if they have a newer version of the Switch Executive in gestation or perhaps already out.

• Multicolumn list Configuration file

  I'm trying to make use of multi-column listbox to create a user interface of façade friendly, easy to use for the creation of a configuration file. I wish I had 2 drop-down lists: (1) contains a master list of hardware devices available to the user, and (2) the order of the configuration file (contains only the hardware devices to the needs of the user).

  Ideally, I would like to be able to lock the name / values of the master list so that the user can edit the information. I tried to make the listbox a typedef / strict typedef, but elements can still be changed. Normally, I would just provide an ENUM control that contained only items available, but I am new to listboxes and I don't know if this is possible or not.

  Thanks for the help!

  I use a lot a multicolumn listbox.  A really cool thing you can do with them and what I do now with all my listboxes, is to implement the TS. Live popup.

  http://lavag.org/index.php?app=downloads&ShowFile=31

  With this toolkit, you can apply in the drop down menus to your listbox entries (only the cells in the list box that are registered).  The cells can be recorded/no dynamically at run time.

  Of the questions let me know.

• type defination

  Hi all

  I need a little help with type definitions with the constant of type listed... how to create their

  thnx

  1. create an enum to control on the front panel.

  2 edit the items in the control if necessary.

  3. right click on the control, choose Advanced, customize.  The command Editor opens.

  4. click on the menu down and select TypeDef.  If you want the appearance of the enum to be blocked, then choose (strict) TypeDef.  But usually the regular typedef is all you need.

  5 close the editor, replace the original command and save the TypeDef a .ctl file.