Data Translation DT9820 Series, User Manual

Page: 66 / 112

Chapter 4
54
Deal with A/D Messages and Buffers (cont.)
Continued from previous page Continued from previous page
Yes
No
Using
Visual
Basic?
Copy all the samples in the
buffer to a Visual Basic array
using olDmCopyFromBuffer.
Get a pointer to the buffer
using olDmGetBufferPtr.
Process the data/buffer in
your program.
Put the buffer on the ready
queue using olDaPutBuffer.
Recycle the buffer if you want the subsystem to
fill it again when in OL_WRP_NONE or
OL_WRP_MULTIPLE mode. See
page 52 if
you want to transfer data from an in-process
buffer.
Wait for
message?
Yes
Return to page 53 .