get Voltage from NI ELWIS without LabView
Hi to everyone.I need to write a program on C++, in C++ Builder. This program must to get voltage from NI ELWIS (http://sine.ni.com/nips/cds/view/p/lang/ru/nid/205425#overview). How can I do this?In...
View ArticleCan NI-USB8452 be programmed to run a predefined script in a timely fashion?
Hi all, We are working on a data acquisition application via SPI, and we already achieved reading from our sensors with NI-USB8452 from a C++ program. However, we have to manually ("polling") issue...
View ArticleMatching sketch(Drawing) face into digital color photo
Hey guys im going to match the sketch face (drawing photo) in to the color photo. so for the research i want to find out what are the challenges that matching sketch drawing in to color faces. for now...
View ArticleHow to read TDMS file use DDC_GetDataValuesString in C language.
1. Below code is correct, because the numDataValues is one, machine=sibotchar ss[10]={0}; char *strMachine=new char[1]; *strMachine=ss[10]; nullChk (strMachine = (char *) malloc (sizeof (char)...
View ArticleFrequency Generator query frequency output limitations
Hello, I would like to know if there is a way to query a frequency generator for the limitations of the output frequency that can be generated, using the C API. I have found documentation which clearly...
View ArticleNationalInstruments.Tdms
I am trying to use the Tdms library and have included the following by following the sample code using NationalInstruments.Tdms; I get the following compile error The type or namespace name 'Tdms'...
View ArticleNIDS.dll showing EXCEPTION_ACCESS_VIOLATION Error
We are facing application crash problem in our product . We enable the crash dump we find the following information. Application exception occurred:Write a dump to file: C:\EdacsNT\Exe\..\Crash...
View ArticleTrying to read multidevices in an array of tasks
Hi, Because of getting this error: "One or more devices do not support multidevice tasks.", I am trying to use an array of tasks to be able to read multiple devices, as suggested by GregFreeman in the...
View ArticleDAQmxGetSysDevNames return nothing
Hi, all, I am trying to talk to PXI 4130, 5402 and 7852R through the PXI 1033 chassis. I installed NIDAQmx version 9.8. I can see the boards' visa resourece name in MAX, such as PXI::13::INSTR. I don't...
View ArticleSoftware differences between USB-6229 and USB-6341 A/D boards?
I am writing code for a treadmill for wheelchair users. We are doing research with users of manual wheelchairs, and this second unit is very important for the clinic where we work. My OS is Windows 7....
View ArticleData acquisition from text file
Hi! I have the following problem to solve and would like to know if Measurement Studio for VC++ can help: I would like to read data from a text file with NMEA strings (see example below) and plot them....
View Article[visual studio c++] about input impedance
Hello, I've had a nice development session with NISCOPE C/C++ API, with Visual Studio 2012, last weeks.My NI device is a scope NI-5132, nice top 5Ms/s, 8bits,...
View ArticleHibernation causes a crash with a NI PCI-6220
Hello out there,I have to find a problem caused by an application whitch has access to a NI-PCI 6220.Sometime the PC hosting this application runs into hibernation-mode, the whole system freeze down...
View ArticleLarge address aware in MFC c++ components
Hello,We have 32-bit c++ application that uses MFC components of the Measurement Studio 8.6.1.465. IDE is Visual studio 2008. The application requires more memory above 2GB and that can be achived by...
View ArticleNIDAQ returns erroneous values when measering multiple channels
Hello, I'm trying to measure with K-thermocouples with the NI USB-9213 that is hooked to a NI cDAQ-9174. I'm measuring multiple channels continiously. However when I pass a certain amount of a channels...
View Articlee-xd++ with Measurement Studio
Hi,We are a very long time by using Measurement Studio on our project, and recently, we need to build a project that need to work with UCanCode's E-XD++ Visualization Kit (at ucancode.net), and we...
View Articlevc++ dll
i hv uploaded two files here..<b>1.foqadll (in vc++2008)2.foqadrive (vb 2008)</b>i can access the dll file through the foqadrive but its giving some error(Access to read or write memory is...
View Articlecall DAQmxRegisterEveryNSamplesEvent in managed code
Ciao to all,I'm integrating the example Cont Acq-Int Clk in my windows form written in Visual C++.private: System::Void button1_Click(System::Object^ sender, System::EventArgs^ e) { private:...
View ArticleHow can I read multiple channels with .NET
Hi everyone, I'd like to know how can I read multiple channels at the same time in VB2010. I'm using an example of NI:Imports NationalInstruments.DAQmxPublic Class MainForm Inherits...
View ArticlePCIE1433 Data Acquisition
I don't know how to read data from PCIE1433 with C++.We just build up a OCT system with a CCD(e2v) and a PCIE1433 card.Our approach is reading the data from PCIE1433 and processing it by GPU.So how can...
View Article