Hi,
There's a lot of memcpy/memmove going on in the FFT kernel which I
suspect degrades performance quite a bit... This is partly because
some platforms requires buffers to be aligned for SIMD to work and
partly because DC is not normally centered (which is normally what you
would like to see in a
Hi Albin,
no, it's not been discussed on the list, as far as my memory reaches.
We're talking about gr:fft:fft_vcc, right?
Because that output memory shifting only happens when you set shift = 1
in the constructor. I don't have any hard feelings about whether to
shift the output or perform an exp
Tried sending this last night, but it didn't seem to go through.
Trying to run a modified version of the wifi transceiver from this repo:
https://github.com/bastibl/gr-ieee802-11
Swapped out the USRP source for Osmocom (HackR
Been having subscription issues, checking to see if I can mail the list.
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the intended recipient and others authorized to receive it. If you have
Trying to run a modified version of the wifi transceiver from this repo:
https://github.com/bastibl/gr-ieee802-11
Swapped out the USRP source for Osmocom (HackRF), and the USRP sink for a
null sink. When I try to run it, I get this error:
Traceback (most recent call last):
File
"/home/galloway
Another test message, due to my subscription wonkiness. Thank you for
bearing with me.
--
Eamon Heaney
*Fleet Commander*
*President, Model UN at Virginia Tech*
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Eamon,
please don't do this; there's more than 3000 email addresses on this
mailing list. If you have any problems with your subscription, feel
free to mail discuss-gnuradio-requ...@gnu.org with "help" in the
subject line.
A much better way to get to know whether the mailing list works would
be b
Hi,
I'm using a USRP205mini-i. I followed the YouTube tutorial online on how to
build a FM receiver. I execute the flow graph, and all I hear is very
choppy and high pitched audio coming from my computer's speaker (i see
aUaUaU and an occasional O. I know this has to to with the input/output
freque
Hi Sara - Can you give us something more to work with, for example a link to
the Youtube video and another to your code? I'm sure folks here can help, but
without more info the best we can offer is high-level suggestions on how to fix
sample rate differences. - MLD
On Thu, Jun 6, 2019, at 12:39
Hi Eamon,
Tun/tap device creation require your user to have net admin rights, or
alternatively you can run your flowgraph as root.
See man setcap.
sudo setcap cap_net_raw,cap_net_admin+eip /path/to/program
Regards,
Adrian
On June 6, 2019 1:43:35 PM UTC, "Heaney, Eamon"
wrote:
>Trying to ru
Hello,
PLease find attached flowgraph for other end of txt file writing, as I have
received the transmitted signal through UHD USRP source block and record it in
a text file at 256k sample rate and then this recorded text file is being used
in next flow graph for converting it into wav file.
256 kHz is not a sampling rate supported by many devices. What USRP are
you using?
Also, the filename doesn't matter to its content at all, so this is
fine, but using .txt for a file that contains raw binary samples is
questionable.
So, back to your original problem: can you describe how the resu
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