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Re: [Discuss-gnuradio] GPIO Rx Streaming

From: Juha Vierinen
Subject: Re: [Discuss-gnuradio] GPIO Rx Streaming
Date: Wed, 23 Jun 2010 12:17:35 +0000


I read that it was usrp1.

Do I understand correctly that this is similar to gr-gpio? I thought
VRT allowed separate streams, why are the bits still in the LSB of I
and Q? Does this also work with UHD?

How about dual DDC? Any news about dual DDC for usrp2? How easy would
it be to add this to UHD?

I am really looking forward to UHD with streaming gpio and dual DDC


On Mon, Jun 21, 2010 at 20:23, Johnathan Corgan
<address@hidden> wrote:
> On Mon, Jun 21, 2010 at 10:41, Juha Vierinen <address@hidden> wrote:
>> I'm not sure if the streaming works with the standard firmware. You'll
>> probably need to use a special firmware (std_2rxhb_2tx_dig.rbf). I'm
>> actually using std_2rxint_2tx_dig.rbf, but this is only because I need
>> a different type of filter (boxcar).
> GPIO streaming is a standard feature of the libusrp2/gr-usrp2
> components and should be working.
> Tim--I haven't looked into it yet, but it's on my list.  It looks like
> you are doing the right thing.
> Johnathan

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