User manual

Chapter 3 Software Overview
NI-DAQ User Manual for PC Compatibles 3-30 ni.com
Building Block 3: Checking
DAQ_Check
and
Lab_ISCAN_Check
, shown in Figures 3-8 and 3-9, are
simple and quick ways to check the ongoing data acquisition process. This
call is often put in a while loop so that the application can periodically
monitor the data acquisition process.
Figure 3-8. Buffered Data Acquisition Application Building Block 3, Checking,
for the MIO, AI, and DSA Devices
Figure 3-9. Buffered Data Acquisition Application Building Block 3, Checking, for the
516 Devices, DAQCard-500/700, Lab and 1200 Devices, and LPM Devices
Check ongoing single or
multiple-channel
data acquisition status.
Data Acquisition
complete?
No
Ye s
DAQ_Check
Lab_ISCAN_Check
Sample multiple
channels?
No
Ye s
Check ongoing multiple-channel
data acquisition status.
Check ongoing single-channel
data acquisition status.
DAQ_Check