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Re: [Discuss-gnuradio] UDP source block in GRC
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] UDP source block in GRC |
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Date: |
Thu, 22 Apr 2010 18:36:00 -0400 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 |
On 04/22/2010 06:24 PM, Eric Blossom wrote:
> On Fri, Apr 09, 2010 at 10:23:43PM -0400, Marcus D. Leech wrote:
>
>> I'm trying to use a UDP source block from a GRC-produced flowgraph.
>>
>> The only thing it does is this:
>>
>> gr_block_executor: source <gr_block udp_source (2)> produced no output.
>> We're marking it DONE.
>>
> The udp source/sink needs an overhaul.
>
> This error is triggered to indicate that the block (a source) is
> returning zero, and thus is most likely spinning.
>
> Eric
>
>
>
Well, I got around this problem by using a gr.file_source instead, which
was actually a FIFO, and then
used "nc" (netcat) to grab the UDP packets.
--
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org