Comment puis-je obtenir d'entrée de tension analogique à l'aide d'une carte...
Salut,J'utilise un PCI 7352 et une UMI 7772 pour contrôler un moteur alors que je dois obtenir une entrée de tension analogique en même temps. Je sais qu'il ya le port de sortie analogique dans le...
View ArticleHow can I get analogue voltage input using a PCI 7352 and a UMI 7772
Hi I am now using a PCI 7352 and a UMI 7764 to control a motor while I need to get an analogue voltage input at the same time. I know there are analogue input port in the UMI 7772 block but I donot...
View ArticleUsing ChangeDetectionEvent with NI USB-6259
Hello, i am very new to labview and LabWindows, so this might be very trivial to solve.I would like to perform an action ( change some UI element ) when ever I receive a rising edge from a TTL signal....
View ArticleIMAGE PROCESSING BASED PRODUCT DETECT AND BILLING PROCESS
PROBLEM IS THAT I HAVE NO IDEA TO HOW GENREAT DATA SHEET OF BILLING PROCESS.IF GENRATE EXCEL SHEET ,MY PROJECT IS DONE,BUT DETECT PRODUCT STRING IS NOT EXPORT IN EXCEL SHEET SO PLS HELP ME .......MY...
View ArticleIMAGE PROCESSING BASED PRODUCT DETECT AND BILLING PROCESS
PROBLEM IS THAT I HAVE NO IDEA TO HOW GENREAT DATA SHEET OF BILLING PROCESS.IF GENRATE EXCEL SHEET ,MY PROJECT IS DONE,BUT DETECT PRODUCT STRING IS NOT EXPORT IN EXCEL SHEET SO PLS HELP ME .......MY...
View ArticleRemoving old versions of CVI ?
Hello all,On my development system, I just upgraded to 2013sp1, so I now have CVI 8.5, 2010, 2012 and 2013. I had to enlarge the partition so that I could install 2013 ! But I must be overlooking...
View Articlenisyscfg
using this api with a 1075 rack and 8370 (i think) ni computer (x64). The app is a win32 c++. nisyscg is a wow32 library. When I set the force property refresh variable to true via the nisyscfg init...
View Articledisplaying ssize_t value in table cell
Hello, I want to display a number of type ssize_t in a numeric table cell. In the UI editor, the cell has been set to intptr_t. Running the code in debug64 works fine, in debug I receive the error...
View ArticleReuse a key after activate the wrong alnguage pack
I have installed the english language pack and activated it.after i realized my fault i deactivated and deinstalled it.i installed the german language pack. but know there is a problem.when i want to...
View ArticleWhy does the UI editor not permit setting size_t / ssize_t?
Programmatically it's possible to set VAL_SIZE_T, VAL_SSIZE_T, ..., VAL_INTPTR_T, VAL_UINTPTR_T...
View Article"a custom control callback raised an exception"
Hello all,yes, there are several posts about this error message, but they are all pretty old (<2009) and the solutions didn't seem to work, so I'm starting a new thread. I installed 2013sp1 last...
View ArticleC99 math functions
Hello all yet again,I'm trying to use the C99 math functions: nearbyint, round, exp2, cbrt, etc... But they don't seem to be defined in the CVI2013 header file.I previously would compile them (with...
View ArticleLoadPanel causes GPF
Hello, while preparing a demo I came across the following behavior: panel_handle = LoadPanel ( 0, PANEL, PANEL ); causes a 'General Protection' fault. Of course, the second parameter is wrong as it...
View ArticleConversion of an Instrument Driver from LabWindows/CVI to LabVIEW
hi, I am using Labview 2012 and NI Labwindows CVI 2013. I am trying to do http://www.ni.com/white-paper/3164/en/, however the CVI 2013 is slightly different and I am struck at the 3rd step described...
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A strange control array error
Template code(from help document):GetNumCtrlArrayItems(ctrlArray, &count); for (i=0; i<count; i++) SetCtrlVal(panelHandle, GetCtrlArrayItem(ctrlArray, i), i%2); My user interface info:I...
View ArticleHow to convert an image into bits and image recover again ?
I want to convert a image to bits and the image can be recovered again. The image be converted to bits successfully. But I don't know the block which be used to view image recover. The VI included on...
View ArticleHigh Speed Serial Communication Question
Hi, I have an application which needs to read serial messages at 50Hz (one messsage every 20ms). The messages are 100bytes in size. What will be the best method to read the data effectively? Will it...
View ArticleRapport cyclique variable - Labwindows CVI - PXI 5411
Bonjour Madame, Monsieur, Je développe actuellement une application sous Labwindows CVI permettant de faire varier en fréquence 3 signaux déphasés de 120° entre eux . Pour cela je dispose de 3 cartes...
View ArticleThe NIReport_Print seems waiting infinitely
Dear All,When I execute the NIReport_Print API with default printer, it seems waiting infinitely. The default printer is set to Microsoft XPS Document Writer and the OS is the Windows 8. It works well...
View ArticleHow to open a FileDialog to select a folder
Hi,My software need to ask a user to select a folder in a explorer, or to create and return the new folder.I found that "FileSelectPopup(ex)" can select only a file.By other way the "Filebrowser" lib...
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