Chapter 1
Introduction
R Series Multifunction RIO User Manual
1-6
ni.com
The FPGA does not retain the VI when the R Series device is powered off,
so yo
u
m
u
st reload the VI each time yo
u
power on the device. Yo
u
can load
the VI from onboard Flash memory or from software over the b
u
s interface.
One advantage to
u
sing Flash memory is that the VI can start exec
u
ting
almost immediately after power
u
p, instead of waiting for the comp
u
ter to
completely boot and load the FPGA VI. Refer to the
LabVIEW Help
for
more information abo
u
t how to store yo
u
r VI in Flash memory.
Reconfigurable I/O Applications
Yo
u
can
u
se the LabVIEW FPGA Mod
u
le to create or acq
u
ire new VIs
for yo
u
r application. The FPGA Mod
u
le allows yo
u
to define c
u
stom
f
u
nctionality for the R Series device
u
sing a s
u
bset of LabVIEW
f
u
nctionality. Refer to the R Series examples, available in LabVIEW by
selecting
Help»Find Examples
, and then selecting
Hardware Input and
Output»R Series
, for examples of FPGA VIs.
Software Development
Yo
u
can
u
se LabVIEW with the LabVIEW FPGA Mod
u
le to program the
NI 78
xx
R. To develop real-time applications that control the NI 78
xx
R,
u
se
LabVIEW with the LabVIEW Real-Time Mod
u
le.
LabVIEW FPGA Module
The LabVIEW FPGA Mod
u
le enables yo
u
to
u
se LabVIEW to create VIs
that r
u
n on the FPGA of the R Series target device. Use the FPGA Mod
u
le
VIs and f
u
nctions to control the I/O, timing, and logic of the R Series
device and to generate interr
u
pts for synchronization. Select
Help»Search
the LabVIEW Help
to view the
LabVIEW Help
. In the
LabVIEW Help
,
u
se the
Contents
tab to browse to the
FPGA Interface
book for more
information abo
u
t the FPGA Interface f
u
nctions.
Yo
u
can
u
se Interactive Front Panel Comm
u
nication to comm
u
nicate
directly with the FPGA VI r
u
nning on the FPGA target. Yo
u
can
u
se
Programmatic FPGA Interface Comm
u
nication to programmatically
control and comm
u
nicate with FPGA VIs from host VIs.
Use the FPGA Interface f
u
nctions when yo
u
target LabVIEW for Windows
or an RT target to create host VIs that wait for interr
u
pts and control the
FPGA by reading and writing the FPGA VI r
u
nning on the R Series device.
Summary of Contents for PXI-7842
Page 1: ...PXI 7842...
