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Re: [Discuss-gnuradio] [USRP-users] Issues with RFNoC and GNU Radio / th
From: |
Martin Braun |
Subject: |
Re: [Discuss-gnuradio] [USRP-users] Issues with RFNoC and GNU Radio / throttling |
Date: |
Mon, 21 Mar 2016 15:51:06 -0700 |
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Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.1 |
On 03/21/2016 03:23 PM, Michael Wentz wrote:
> Once I did that I found that the data coming back exactly matched RTL
> simulations, which I ran for about 1M samples. This led me to put
> another throttle right before my RFNoC block, which solved the problems
> in the larger flowgraph - it just wasn't clear why the second throttle
> (or FIFO) was necessary. Without it the data was somehow being
> corrupted. It looked like samples were being dropped before making it
> back to GNU Radio, since I saw my frame headers, just not in the
> positions I expected them (e.g. every 10k bits). I wasn't able to
> determine exactly what was happening or if there was a pattern to it. I
> may spend some time investigating, but for now the FIFO seems to make my
> CE usable.
OK, I see. That's interesting. This might be a software bug in the
transport code. Thanks for the input!
Cheers,
Martin
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