NI-DAQ refresher
Hello all,about 15 years ago I wrote a data acquitision system using NI-DAQ and CVI on NI hardware. This system is still in use although I don't work there anymore and they want my advice on how to...
View ArticleReading a mat (MATLAB) file
Hello, does anyone has an example in CVI or any pointers on how to read a .mat file? Thanks,Greg
View ArticleProgram puts garbage to file only in release configuration
Got completely tired of trying to figure out what is happening with these char strings( I have a very simple function which writes a string to file. String consists of five "substrings" .I make this...
View Articleprinting .prn files
Hi,ı would like to print labels which are including different serial numbers. I generate these serial numbers at LabWindows. I create a .prn file to save my pattern. Now i want to print this .prn file....
View ArticleCVI 2013 compiler: increment / decrement operator evaluation
I'm looking at pulling an old project forward to CVI 2013, but have hit a challenge, which is documented as follows: "In assignment, the value of the right operand is evaluated before an array indexing...
View Article"Error in initVXIlibrary. Unable to init kernel device drivers."
Hello all, I'm trying to fix a test system from WAYBACK - running windows 3.11 with CVI talking to a Racal 1261B VXI box. All was well until a capacitor in the VXI power supply failed. Astronics got...
View Articleindex() function in LabWindows 2013 compiler
LabWindows CVI 2013 compiler complained about the use of global "index" variable, even though LabWindows 2010 is OK with that. The error is a redefined error because LabWindows 2013 confused with an...
View ArticleForcing DPI Virtualization
Hi, Is there a way to get a CVI application to use "DPI Virtualization" in Windows Vista and later? DPI Virtualization is a compatibility thing where Windows will render the application window as a...
View ArticleUnable to SAVEAS project to new name
I just yesterday downloaded and installed the eval copy of LW/CVI to try it out with an old program I wrote last year and am having a problem saving my old LW project to a new name. That is the SAVEAS...
View Article[FATAL] [HandleExecuteFnEvent] [..\jeff\stdlib\thrdpl.c:1425]
Hello, Labwindows cvi 2012 on Windows 7. I have an error in application events log, error is in CVI and Event log says : [FATAL] [HandleExecuteFnEvent] [..\jeff\stdlib\thrdpl.c:1425] Assertion failed:...
View Articlecvi-how to create stop watch program
how to create a stop watch program using CVI. using what function, i only know using timer() to do a counter is there any ready function? can share if you have other method i need to know the current...
View ArticleWeaning off a license server
Hello all,I need to take one of my devel system completely off-grid. I normally use a site license for all NI products but it won't be able to get in touch with the license server. I remember there's a...
View Articlegsm IQ data capture
Hi,Am using a GSM toolkit to try capture GSM IQ data for analysis. My user interface values are as the fig attached. When i run the app i get the following error -1074118626 full details in the image...
View ArticleMomentary switch
Hi,I'm new to CVI.Any way to implement a push button with momentary action?Only turn on when click on button, off upon release it.Any example can I refer to?
View ArticleGraph function problem in DLL when called from TestStand. OK when called from...
Hi, I have a DLL which I wrote using CVI.There isn't a UIR file.When the process attaches, I call a function which;Creates a panel with NewPanel().Creates a number of controls including a graph with...
View ArticleDocumentation tag bug
Hello all,just found a bug in CVI 2013 sp2.I have a function with a variable number of args:void Secure(const int MainPanel, ...) { ... } I started typing above:/// HIFN Whatever /// HIPAR MainPanel /...
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Using one callback function for all the controls in the program
Hello, i have to make a program which uses one CallBack Function for all the controls in the program(numeric,string,gauge) etc The callback function is supposed to take the values from the controls and...
View Articlematlab -> loop would not work with the written function
Can anyone tell me why this error occurs, and how it can be rectified?Thanks!
View ArticleUIR + release window = missing panels and properties trees
Hello, I'd like to view my UIR files released from the GUI. But when I do that, the Panels and Properties trees disappear. Is there a way to turn those on while the file is "released"?
View ArticleMouse Model in LabWindows/CVI
I am trying to code a USB mouse model in LabWindows/CVI in order to test a series of activities on an LCD panel (which is connected to an SBC) via a PXI chassis. I was wondering if such a model is...
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