Keithley KUSB-3100, User Manual

Page: 78 / 129

Chapter 4
64
Set Up D/A Buffering
Using main
window to
handle
messages?
Yes
Allocate
more
buffers?
Yes
No
Use to allocate a buffer of the specified number of
samples; each sample is 2 bytes.
olDmAllocBuffer
Use to specify the buffer wrap mode
(OL_WRP_NONE if buffers are not reused or
OL_WRP_ MULTIPLE if all buffers are continuously
reused).
olDaSetWrapMode
Use to specify the window in
which to post messages.
Fill the buffer.
Fill the buffers with the data needed by your output
channel list. Refer to
page 20 for more information.
olDmSetValidSamples
Use to specify the valid number of data points in the
buffer.
Use to put the buffer on the ready queue.
olDaPutBuffer
olDaSetWndHandle