On 2022-05-10 08:48, maxime.dup...@obspm.fr wrote:
Hi,
I followed the tutorial "Getting started with RFNoc4" for making the
demo block as suggested in the tutorial. I am working with uhd version
4.2 and a x310
I can build a FPGA image with the OOT block just fine and I get the
expected uhd_usrp_probe output:
| _____________________________________________________
| /
| | RFNoC blocks on this device:
...
| | * 0/Block#0
...
| _____________________________________________________
| /
| | Static connections on this device:
...
| | * 0/SEP#4:0==>0/Block#0:0
| | * 0/Block#0:0==>0/SEP#4:0
...
I succeed in creating my own RFNoc demo block using modtool but
actually working with it with the cpp file in the app/ directory fails.
Even after modifying most of the CMakefiles files inthe example
directory (replacing "gain" by "demo") I reach the point where I get
the following error:
Error: LookupError: This device does not have a block of type
rfnoc::demo::demo_block_control with ID: 0/Demo#0
So my questions are how can I make my process detect my demo block?
What should I change in my uhd lib and include if there is a need to?
And is there maybe a full tutorial delving into the process of making
and driving a custom block using c++?
Thanks in advance
Maxime
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There are slides from the RFNOC 4 Workshop at GRCon 2020:
https://www.gnuradio.org/grcon/grcon20/grcon20_RFNoC_4_Part<X>.pdf
THere's also the YT video of the workshop here:
https://www.youtube.com/watch?v=M9ntwQie9vs
These may "fill in the gaps".
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