Strings That Contain an IEEE-Format Real Number to a Real Variable
Hello all, I'm struggling with the soft trying to convert the measured value from a peripheral in format IEEE 32 bit float that I have in a unsigned char string[200] (bytes 56, 57, 58 and 59) into a...
View ArticleRun time error
HI All,I have use some serial com port functions which are defined in some other project. So I simply copied that .c & .h file (where these functions are defined) in my project and included its...
View Article[CVI2013] [XNET] Get array output from DBC file
Hello All, I'm using XNET API to manage CAN port. And I have a "special" need for now : I have w .DBC file for CAN, where a frame is descriped. This frame contain few signals. What I want to do is to...
View Article.NET Unable to find assembly error
Hi all,I'm developing some instrument API using .NET assembly wrapper. I use CVI2015sp1. When I'm trying to run a certain function from that assembly I get an exception of "Unable to find assembly...
View ArticleFlip a vertical pointer slide?
Is there any way to create a vertical pointer slide with the tick marks on the right side instead of the left?
View Articleinterfacing a camera
Hi,Is it possible to interface a camera in a LabWindows GUI? For instance using the frame grabber NI-PCIe-8236 with a Basler acA1300-30gm CCD ? Does it require additional drivers to be purchased or...
View Articlelabwindows tcp client to generic server
Hello,We wouild like to develop an OPC client on TCP to communicate with an OPC server, on a remote machine (or even locally on the machine).Our application is written on Labwindows/CVI and I only find...
View ArticleManaging .NET handles and instances
Hi all, I am having a problem with managing .NET handles/instances in CVI program. When I repeatedly run certain function that sometimes declares new handles and sometimes uses preexisting handles, in...
View ArticleCVI 2015 code for dsa4461
i want to get started writing a cvi code for ni 4461 for frequency response with bode plot.Is there any sample program available
View ArticleMySQL without using SQL toolkit
Hi,I wanted to use MySQL database with CVI 2015. I have downloaded and installed MySQL Server 5.7 and able to connect and execute queries through workbench. I included the header file mysql.h and added...
View Articleunsigned char array to callbackdata problem with memset
hello everyone, i'm using CVI 2012 SP1 and i have this problem.i have a function that load panel and assign an unsigned char array as callback data to the panel and to the timer.when i use the array...
View ArticleInetFTPAutoRetrieve getting return value -13
When using InetFTPAutoRetrieve I am getting a return value of -13 and the InetGetErrorMessage returned is: A file error occurred in an FTP function Thread:3576 [01-31-2017]The FTP connection works when...
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current disk and directory tree
hello,I am not a great accustomed with Labwindows cvi.We made some important measurement and I want to save the measurement file on a specific place in a network drive. I would like1- work on a current...
View Article"The application was unable to start correctly (0xc000007b)"
A few people appear to have had this problem in the past, (eg https://forums.ni.com/t5/LabWindows-CVI/XP-Failed-to-initialize-properly-0xc000007b/td-p/1982139), but the solution is still not clear to...
View ArticleAnnouncement: LabWindows/CVI 2017 Beta Program
I am pleased to announce that the LabWindows/CVI 2017 Beta Program is now open for registration requests. As a beta program member, you will be among the first to use the next LabWindows/CVI release -...
View ArticleShow a picture
Hello everybody, I have a question. I think it is an easy one but I am not sure if it is the correct way. What I want to do, is to show a picture of a pin configuration. The picture is a .jpg data. So...
View ArticleMulti-thread programming concerns
Yes, I'm not as experienced as I'd like to be, and this will sound elementary to many, but I want to ask about programming concerns in a multi-threaded application. I understand the concept of using a...
View Articleclosing Instrument handles
If I use NI-Switch to get an instrument handle and set a bunch of switches, do I need to keep track of it like a reference with a FGV or something in order to close it? Or if I initialize again to...
View ArticleChange Detection
Hello everybody, I had such a topic already but I think I didn't explane it good enough. I use the PCI 6343 with an A/O card. I have a program that has generates some signals for a motor. The motor...
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create a task in cvi
I want to create a task which will be cyclical called (10ms,50ms,100ms).In this task I want to call a function. Shown below is the main call of my programm.When the userinterface is created and started...
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