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Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid pytho
From: |
Marcus Müller |
Subject: |
Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ? |
Date: |
Sat, 08 Mar 2014 14:08:53 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 |
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Hi Activecat,
On 08.03.2014 13:54, Activecat wrote:
> Dear Marcus,
>
> Thanks for pointing out, I've corrected it to std::max. It still
> doesn't seem to produce correct output when the d_iFactor changes
> on the fly.
>
> BTW this flow graph consists of other built-in blocks like Low Pass
> Filter, Signal Source etc, whose outputs also depends on the
> instantaneous Sample Rate (samp_rate). If one of these built-in
> blocks doesn't work well when samp_rate changes on the fly, then
> that could cause the flow graph to produce wrong result too.
>
But, well, these blocks don't change output ratios based on sample_rate..
> My main concern is whether set_output_multiple() and
> set_min_noutput_items() works on the fly in general. As your answer
> is yes to both, then I think that is good enough for this thread.
:)
>
> The general_work() is called repeatedly and problematically only if
> it return 0 and consume 0. With the set_min_noutput_items() works
> on the fly, this problem doesn't happen anymore. Now the problem
> is the incorrect output when the d_iFactor changes on the fly.
>
> Meanwhile, as you had advised, I had tried to see the parameters
> that forecast() and general_work() are called with. Refer below
> verbose message. When the flow chart started, the initial values
> are samp_rate=32k, change_rate=64; hence d_iFactor = 32k/64 = 500.
> At line 24 the samp_rate is changed to 64k on the fly by the user.
> So now d_iFactor = 64k/64 = 1000. Every parameters and return
> values seem to be correct, but the flow graph output becomes wrong
> after line 24.
Wrong in which way?
Greetings,
Marcus
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- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, (continued)
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/06
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/07
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/07
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/07
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/07
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?,
Marcus Müller <=
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Marcus Müller, 2014/03/08
- Re: [Discuss-gnuradio] self.set_min_noutput_items() is not a valid python command in gnuradio ?, Activecat, 2014/03/08