[USRP-users] Error using RFNoC OFDM Sync block on E310

Jonathon Pendlum jonathon.pendlum at ettus.com
Tue Mar 8 19:51:20 EST 2016


Hi Sergio,

Are you using the rfnoc-ofdm branches for uhd and gr-ettus?



Jonathon

On Tue, Mar 8, 2016 at 4:31 PM, Sergio Cruz Perez via USRP-users <
usrp-users at lists.ettus.com> wrote:

>
> Hi,
>
> I'm learning to use RFNoC to implement an  OFDM receiver on a E310.  The
> original FPGA image had just 3 RFNoC blocks: FIFO, Window and FFT, so I
> made a new image removing the window and the FFT blocks and replacing them
> for a schmidl_cox block. When I run my application with the new image I get
> the next error:
>
> File "/usr/local/lib/python2.7/site-packages/ettus/ettus_swig.py", line
> 3002, in set_arg
> return _ettus_swig.rfnoc_generic_sptr_set_arg(self, *args)
>
> RuntimeError: LookupError: Path not found in tree:
> /mboards/0/xbar/SchmidlCox_0/args/0/offset/value
>
> Has anyone run into the same problem?
>
> I'm using UHD_003.010.rfnoc-314-gf773e72b
>
> Thanks
>
> Sergio Cruz
>
>
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> USRP-users at lists.ettus.com
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>
>
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