Digital Input >> General Properties >> Advanced >> Data Transfer and Memory >> Data Transfer Request Condition

NI-DAQmx C Properties

Digital Input >> General Properties >> Advanced >> Data Transfer and Memory >> Data Transfer Request Condition

Data Type: int32
Description: Specifies under what condition to transfer data from the onboard memory of the device to the buffer.

Valid values

DAQmx_Val_OnBrdMemMoreThanHalfFull 10237 Transfer data from the device when more than half of the onboard memory of the device fills.
DAQmx_Val_OnBrdMemNotEmpty 10241 Transfer data from the device when there is data in the onboard memory.
DAQmx_Val_OnbrdMemCustomThreshold 12577 Transfer data from the device when the number of samples specified with Data Transfer Custom Threshold are in the device FIFO.
DAQmx_Val_WhenAcqComplete 12546 Transfer data when the acquisition is complete.


You can get/set/reset this property using:
  DAQmxGetDIDataXferReqCond
  DAQmxSetDIDataXferReqCond
  DAQmxResetDIDataXferReqCond