Pulling Hair Out - CVI CALLBACK Why am I able to Xmit from Com 3 to Com 59 if...
Im working on pproject that has NI Chassis with bunch of DAQs and Serial channels: I have simple code I writen in main ( ) involving two serial com ports and single threaded with exception of CALLBACK...
View ArticlePulling Hair Out - CVI CALLBACK Why am I able to Xmit from Com 3 to Com 59 if...
Im working on pproject that has NI Chassis with bunch of DAQs and Serial channels: I have simple code I writen in main ( ) involving two serial com ports and single threaded with exception of CALLBACK...
View ArticleCVI 2013 SP2 and PID toolkit
Just a question on NI's Web site documentation: The announcement of CVI 2013 SP2 mentions that the PID toolkit is now included...Searching for CVI toolkit, the NI download page mentions a PID toolset...
View ArticleStripChart paused for some moment and resumed again
Hello I have displaying problem for strip chart. I set up x-axis as continuous mode.I updates the data by using "PlotStripChart(DisplayHandle,Chart[idx].chartCtrl,PlotBuf[idx],2,0,0,VAL_FLOAT);". It is...
View ArticleStripChart paused for some moment and resumed again
Hello I have displaying problem for strip chart. I set up x-axis as continuous mode.I updates the data by using "PlotStripChart(DisplayHandle,Chart[idx].chartCtrl,PlotBuf[idx],2,0,0,VAL_FLOAT);". It is...
View ArticleSQL toolkit error message
Hello, I'm try out the CVI example program "weather" which uses SQL toolkit. Instead of using DSN, I changed it to using "Provider=Microsoft.JET.OLEDB.4.0; Data Source=C:\\...\\samples.mdb;" but I got...
View Articlecalling SetTimer in
I am programming in the LabWindows CVI 2012 environment. I'm calling the Windows SDK SetTimer function, but I am getting type error because the first argument is of type "intptr_t". To my...
View ArticleGenEigenAB problen
Hi All, I am having a problem using the GenEigenAB() function, and was wondering if anyone can point out the error in my ways &/or confirm using this function with success?Googling "GenEigenAB"...
View ArticleLaunchExecutableEx() does not return -4 when path to exe is not found
LaunchExecutableEx() is not returning an error (-4 or -3) event though path to the file does not exist on the PC I'm runing the application on. It returns 0 (as if the exe was sucessfull). Thanks,Mira
View ArticleHaving difficulty using a dotnet assembly (won't load)
I am trying to use a dotnet dll and having problems loading it. Used .net controller from tools menu to create a CVI wrapper all that worked out without any issue. However, when I try to use it will...
View Articlethumb impression system
Hey! I want to make a thumb impression system in Labwindows/CVIIs thiss possible to make it using this tool ?
View ArticleMeasuring value of voltage after a digital edge with time delay
Hello, I am new to labwindows.I am developing a data acquisition system for a small particle detector. I need to read the value of the voltage pulse at a set time after recieving a digital trigger...
View ArticleCan I call "installComCallback" then call "CmtScheduleThreadPoolFunction" to...
We are writing Real Time code on PXIe-1085 with 8135/8 serial modules in chassis. I'm new to the team and working on a code based Current code we create does the following: 1.) In main() we call...
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dsc
Hi guys ...When I try to install Labview DSC Module 2014 I get a message like this: "NI Labview 2014 must be installed before you can install NI Labview 2014 Dataloggin and Supervisory Module". But...
View ArticleControlling PXIs using CVI without GUIs
How do I control the PXIs using labwindows/CVI in a straight forward programming manner? I prefer straight forward programming rather than using GUIs. Say for example configuring the SMU to force...
View ArticleAccess to BIOS Real Time Clock using port IO
HiI have a PC where one of our vendors sw is messing around with the windows clock. Thus it cannot be used for data stamping etc. Can i get access to the BIOS RTC from CVI using port IO commands?...
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can't find ansi_c.h library
Though my problem is eerily similar to this thread, my CVI install already knows where the include folder is located. I am trying to use the ANSI_C open/close/read/write IO functions. Here's a sample...
View ArticleWhat DAQmx function is used to control relays in an NI 9481?
I'm trying to control the four relays in a NI 9481 cdaq module. I have created a task to communicate with the module. What DAQmx function is used to open/close the relays? DAQmxWrite??? or what?
View ArticleviParseRsrcEx does not return alias string
After I saved alias names in MAX, I'm using the following code to extract instrument alias: // find next instrument: status = viFindNext (findList, instrDescriptor); /* find next...
View ArticleBreakpoint are not respected on cvi 2013 under w8.1
Dear all,I am using Labwindows/CVI 2013 on windows 8.1, and I have a strange behavior on breakpoints. Indeed, my program is not stopping on some breakpoints which I have set.Randomly, the breakpoints...
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