Ring And Sequence Functions; Signal I/O Functions - National Instruments Image Acquisition Software User Manual

Ring and Sequence Functions

Signal I/O Functions

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