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From: | Marcus D. Leech |
Subject: | Re: [Discuss-gnuradio] dynamically changing delay in gr_delay (or history in any gr_block) |
Date: | Tue, 15 Nov 2011 18:21:37 -0500 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16 |
On 11/15/2011 06:16 PM, Achilleas Anastasopoulos wrote:
It seems that the runtime machinery pays attention to d_history *only* on block init, and at no other time, which leads to unexpectedTake a look at the attached grc file: As implemented, it does not work (changing the delay does not have an effect). If I introduce the "fictitious" filter (1,0,0,0,0,..) it works as expected. AM I doing something wrong in the first case? Achilleas
results. But, surely, this must have worked at some point?I mean, I regularly use filters whose parameters I change dynamically, and they apparently do what I want, although, perhaps at the moment
of changing parameters, the phasing isn't "right", but they seem to work. Someone with more exposure to the gr-runtime stuff should comment here.
-- Marcus Leech Principal Investigator Shirleys Bay Radio Astronomy Consortium http://www.sbrac.org
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