Welding System User Manual

Chapter 2 Function Reference — DIG_DB_HalfReady
© National Instruments Corporation 2-161 NI-DAQ FRM for PC Compatibles
function, when called, waits until NI-DAQ can complete the data transfer before returning.
During slower paced digital block operations this waiting period can be significant. You can
use
DIG_DB_HalfReady so that the transfer functions are called only when NI-DAQ can
make the transfer immediately.
Refer to Chapter 5, NI-DAQ Double Buffering, of the NI-DAQ User Manual for PC
Compatibles for an explanation of double buffering.