NI 1483R User Guide and Specifications
12
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e.
Configure the two unconfigured FIFO Method Nodes to be Host DMA 16 nodes by
right-clicking the nodes and selecting
Select FIFO»Host DMA 16
.
f.
Right-click one of the Host DMA 16 nodes, and select
Select Method»Status»Get Number
of Elements to Write
.
g.
Right-click the other Host DMA 16 node, and select
Select Method»Write
.
h.
Complete the threshold loop by wiring the block diagram as shown in Figure 8. The
U16 control names are
Threshold.Upper Limit
,
Threshold.Lower Limit
, and
Threshold.Replacement Value
. The Boolean control name is
Threshold.Replace Value?
.
i.
Save the VI.
24. In the Project Explorer window, expand the
Build Specifications
tree view under the target you are
using. Right-click
1-Tap 10-Bit Camera with Frame Trigger
and select
Build
.
25. Save the project after the compilation completes.
26. In the Project Explorer window, double-click
1-Tap 10-Bit Camera with Frame Trigger and
Threshold (Host).vi
. Complete the following steps to update the FPGA target.
j.
In the host VI front panel window, select
Window»Show Block Diagram
to open the
VI block diagram.
k.
On the block diagram, right-click the Open FPGA icon (PXIe-7965R) and select
Configure
Open FPGA VI Reference
.
l.
In the Configure Open FPGA VI Reference window, click the
Browse Project
button in the
Open VI section.
m.
In the Select VI window that opens, expand the tree view for your device, select the VI under
your device and click
OK
.
n.
Click
OK
in the Configure Open FPGA VI Reference window.
o.
Save the VI.
27. On the block diagram, locate the loop labeled
Update configuration settings and monitor the
acquisition status
. While referring to Figure 9, add the following elements to the Read/Write
control in the loop:
Threshold.Upper Limit
,
Threshold.Lower Limit
,
Threshold.Replace
Value?
, and
Threshold.Replacement Value
. Create controls for each new element.
Figure 9.
Send Software Triggers Loop
28. Save the VI.
29. Run the VI as before, adjusting the threshold controls to achieve the desired results.
