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Re: [Discuss-gnuradio] Grc RFNOC block error


From: Nikos Balkanas
Subject: Re: [Discuss-gnuradio] Grc RFNOC block error
Date: Fri, 11 Mar 2016 05:55:36 +0200

I have looked under <Misc>, <RFNoC>, <Type Converters> and searched for Vector*, but couldn't find any suitable blocks:(

On Fri, Mar 11, 2016 at 5:32 AM, Nikos Balkanas <address@hidden> wrote:
Hi,

And many thanks for your fast reply.
Indeed that seems to be the problem. How can I convert the scalar, or is it stream?, output from my usrp to a vector needed by fosphor?‚Äč

BR,
Nikos

On Fri, Mar 11, 2016 at 5:13 AM, Martin Braun <address@hidden> wrote:
fosphor needs FFTs as input, and it's currently set to 1024, so you need
to pass in vectors of length 1024. You're passing in scalars.

M

On 03/10/2016 05:39 PM, Nikos Balkanas wrote:
> Hi,
>
> I've been trying to start working with RFNoC blocks in grc. In this
> particular flow, I get this error, which prevents execution:
>
> Connection (
> Block - uhd_usrp_source_0 - UHD: USRP Source(uhd_usrp_source)
> Source - out(0)
> Block - uhd_rfnoc_streamer_fosphor_0 - RFNoC:
> fosphor(uhd_rfnoc_streamer_fosphor)
> Sink - in(0)
> ):
> Source IO size "8" does not match sink IO size "8192".
>
> Seems like a block configuration issue, one that i need help with, though.
> Using gnuradio 3.7.9.1 on Ubuntu 14.04 x64.
> Any advice would be appreciated.
>
> TIA
> Nikos
>
>
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