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From: | Kevin Reid |
Subject: | Re: [Discuss-gnuradio] Interpolating FIR filter with runtime adjustable interpolation value |
Date: | Wed, 28 Jun 2017 07:25:49 -0700 |
In reality my interpolating filter is part of a Python-based hierarchical block, which is based off of the gmsk_mod in gr-digital. I'm essentially trying to decouple my symbol rate from the hardware sample rate by adjusting the modulator's samples/symbol factor in real time. I tried using lock/disconnect/create new filter/connect/unlock but I randomly get hangs on the unlock step. When it does get past unlocking the output is as expected.
I remembered a bug report about unlock hanging, which was supposedly fixed. Is it legit to lock/etc/unlock within a hierarchical block? Is it a known problem for it to hang on unlock() within a hierarchical block? This is GR 3.7.11.
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