OK, thanks Martin. I guess I am still confused though (no surprise
there). You say that they're "generally useful." In what way? If I
have a flow graph that has 3 RFNoC blocks, what is the benefit of adding
a FIFO or two to it?
Thanks!
On 09/28/2017 03:10 PM, Martin Braun via USRP-users wrote:
On Wed, Sep 27, 2017 at 01:42:22PM -0400, Jason Matusiak via USRP-users wrote:
OK, dumb question, but I just can't come up with a good answer. I
understand that the RFNoC FIFOs are a must if you only have one NoC block
that you want to use and are using the GNURadio host [1]. So why do pretty
much most of the examples ALWAYS have at least one, and why would I want to
fill my bitfile with FIFOs, why not just use one?
Note that this is a gr-ettus limitation, not RFNoC. And also, you only
need FIFOs if you have only a single block (PC -> Block -> PC).
And you don't need to fill up with FIFOs, they're just generally useful
and thus we have that option.
-- M
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