Справочник Пользователя для National Instruments Image Acquisition Software
Chapter 2
Software Overview
2-4
©
National Instruments Corporation
imgSessionWaitSignalAsync
Monitors for a signal to be asserted and
invokes a user-defined callback when the
signal is asserted.
invokes a user-defined callback when the
signal is asserted.
imgPulseCreate
Configures the attributes of a pulse. A
single pulse consists of a delay phase
(phase 1), followed by a pulse phase
(phase 2), and then a return to the phase 1
level.
single pulse consists of a delay phase
(phase 1), followed by a pulse phase
(phase 2), and then a return to the phase 1
level.
imgPulseDispose
Disposes of a pulse ID.
imgPulseRate
Converts delay and width into delay,
width, and timebase values needed by
width, and timebase values needed by
imgPulseCreate
.
imgPulseStart
Starts the generation of a pulse. You must
call
call
imgPulseCreate
first to configure
the pulse.
imgPulseStop
Stops the generation of a pulse.
Miscellaneous Functions
Miscellaneous functions set and get the acquisition window’s region of
interest and return information such as session status and buffer sizes.
interest and return information such as session status and buffer sizes.
imgSessionStatus
Gets the current session status.
imgSessionSetROI
Sets acquisition origin and dimension.
imgSessionGetROI
Gets acquisition origin and dimension.
imgSessionGetBufferSize
Gets the minimum buffer size needed for
frame buffer allocation.
frame buffer allocation.
UM.book Page 4 Monday, July 13, 1998 9:49 AM