If you only need integer decimation, noc_block_ddc should have everything you need or close to it. Averaging across FFTs can be done with noc_block_vector_iir. For an example, check out the flowgraph rfnoc_vector_iir.grc in gr-ettus.
Jonathon On Tue, Sep 4, 2018 at 3:23 PM Rich Maes <r...@idearockets.com> wrote: > I’d like to add a configurable decimator and some averaging logic to the > output of the FFT. So I’ll be adding some new registers to the control > bloc and verilog, but the overall core will still be very similar. > > I’ll take a look at the examples you reference below to see if that gets > me going in the right direction. Thanks. > Rich > > On Sep 3, 2018, at 8:43 PM, Jon Pendlum <jon.pend...@gmail.com> wrote: > > Hey Rich, > > Do you want to customize the FFT IP or use it as is? If you are using it > as is, there is no need to do anything. All in-tree code and IP is > automatically included as part of the FPGA build. If you want to customize > it, I suggest copying the FFT IP into your OOT and using > https://github.com/ejk43/rfnoc-ootexample as an example on how to add it > (see the rfnoc/ip directory). Use viv_modify_ip (available after you source > setupenv.sh) to customize the FFT IP. You'll want to rename it as well so > it does not conflict with the in-tree FFT IP. > > Jonathon > > On Tue, Sep 4, 2018 at 9:58 AM Rich Maes via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> Is there an example of modifying a out of tree (OOT) module and block to >> pull in a rfnoc library. Specifically I would like to pull in the AXI_FFT >> generated code and make my own custom FFT block. I can’t quite figure out >> how to modify the CMAKE files, (I assume that is the proper method) to >> reference that RFNOC library/source. >> >> Thanks in advance. >> Rich >> >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> > >
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