National Instruments Image Acquisition Software - Manual (Page 16)

Chapter 2 Software Overview
© National Instruments Corporation 2-3 NI-IMAQ User Manual
imgGrabArea Performs a transfer from a continuous
acquisition. Call this function only after
calling
imgGrabSetup .
Ring and Sequence Functions
Ring and sequence functions start and stop a continuous acquisition of
multiple fields or frames.
imgRingSetup Prepares a session for acquiring
continuously and looping into a buffer
list.
imgSequenceSetup Prepares a session for acquiring a full
sequence into the buffer list.
imgSessionStartAcquisition
Starts a session acquisition identified by
the session ID.
imgSessionStopAcquisition
Stops a session acquisition identified by
the session ID.
Signal I/O Functions
Signal I/O functions control the trigger lines on IMAQ devices.
imgSessionTriggerConfigure
Configures an acquisition to start based
on an external trigger.
imgSessionLineTrigSource Configures triggering per line for
acquisition from a line scan camera.
imgSessionTriggerClear Disables all triggers on the session.
imgSessionTriggerDrive Configures the specified trigger line to
drive a signal out.
imgSessionTriggerRead Reads the current value of the specified
trigger line.
imgSessionWaitSignal Waits for a signal to be asserted. This
function will return when the specified
signal is asserted.
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