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Re: [Discuss-gnuradio] Rational Resampler throws double free or corrupti
From: |
Tom Rondeau |
Subject: |
Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error |
Date: |
Mon, 18 Nov 2013 22:38:17 -0500 |
On Mon, Nov 18, 2013 at 9:48 AM, Tom Rondeau <address@hidden> wrote:
> On Mon, Nov 18, 2013 at 8:41 AM, Frederik Wing <address@hidden> wrote:
>> As I said, I cannot design a filter with a sampling frequency below 1e6.
>> The Python script I posted (where f_s = 1e3) does NOT work! But if I
>> change f_s to 1e6 it works and gives me the gigantic filter.
>>
>> Frederik
>
> I think I see the problem. Testing now. Not sure why this works on
> Intel machines without throwing, actually.
>
> Tom
This should be fixed now. It works on my Zynq and was failing as you
described previously.
Tom
>> Am 18.11.2013 14:35, schrieb Tom Rondeau:
>>> On Mon, Nov 18, 2013 at 8:31 AM, Martin Braun (CEL)
>>> <address@hidden> wrote:
>>>> On Mon, Nov 18, 2013 at 02:19:55PM +0100, Frederik Wing wrote:
>>>>> Hi Tom,
>>>>>
>>>>> what you are writing is completely right. Simply increasing the sampling
>>>>> frequency will result in a more complex filter.
>>>>>
>>>>> Nevertheless the firdes.low_pass function does NOT want to calculate the
>>>>> 101-tap-filter. But it DOES calculate the 100001-tap-filter. Really
>>>>> strange. So this might not be a memory problem.
>>>>>
>>>>> The "magic border" I described is at 1MHz. Not at 1GHz as I wrote
>>>>> accidentally.
>>>> Can you post the exact call too firdes.low_pass(), thanks.
>>>>
>>>> MB
>>>
>>> Yes, Frederik, I'm afraid you're not being clear. You say you can't
>>> build a 101 tap filter? That's different than what you were saying
>>> before. Are you saying that you can't go below 1e6 sps or above it?
>>>
>>> Tom
>>>
>>> _______________________________________________
>>> Discuss-gnuradio mailing list
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>>>
>>>
>>
>>
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- [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/15
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Marcus Müller, 2013/11/15
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/15
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/17
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Tom Rondeau, 2013/11/17
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/18
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Martin Braun (CEL), 2013/11/18
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Tom Rondeau, 2013/11/18
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/18
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Tom Rondeau, 2013/11/18
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error,
Tom Rondeau <=
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/19
- Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, Frederik Wing, 2013/11/18
Re: [Discuss-gnuradio] Rational Resampler throws double free or corruption error, M Dammer, 2013/11/15