I'm not using those deprecated blocks.
Anyway, I dug deeper and found the block that was causing the indeterminate
behavior. It is the complex "Divide" block! Here's a minimum reproducible
flowgraph. You'll have to adjust the file source to use some IQ stream you
may have lying around. Sorry
Here's an updated flowgraph where you don't need a separate file source.
Just run the flowgraph twice for a few seconds each. You'll likely get
different file sizes but `cmp` doesn't care, it'll still show the first
differing byte which should still prove the bug exists.
On Wed, Oct 3, 2018 at
Thank you Marcus,
"apt-get build-dep gnuradio" did indeed install several other packages,
but gnuradio-companion was excluded from compilation. I can repeat that
compile attempt and report the cmake output/errors if needed, but I
attempted the pybombs approach with some errors.
If this forum
I have installed GRC and UHD via PyBOMBS on Ubuntu 18.04. I am working with a
Ettus x310. I cab successfully run uhd_usrp_probe launch GRC that finds the
SDR correctly. I wrote a simple GRC program that creates a tone, sends it to
the transmitter ad then through a loopback to the receiver
Moin Johannes,
forgot to get back to you.
Yep, that sounds mightily interesting.
Thanks for bringing this up!
If we need to bring the project into a state of usability as a library,
we might as well upstream that and then lobby for inclusion as package
in the mainstream Linux distros, if it's
Are you perchance using the modulator and demodulator blocks from the
"Deprecated" category?
Best regards,
Marcus
On Tue, 2018-10-02 at 19:34 +0900, Reiichiro Nakano wrote:
> Interesting. Thanks for the response. I also have a bunch of message passing
> going on. Do you think it could be
Interesting. Thanks for the response. I also have a bunch of message
passing going on. Do you think it could be dropped messages? I seem to
remember reading that PMT ports aren't back pressured like the streaming
ports. What happens when a queue fills up and the block can't catch up?
Anyway, what
Hi,
> Unfortunately, there were no further replies to that thread but I did see
> that my same question "pops up every once in a while". Anyway, my specific
> problem is I'm trying to QPSK demodulate + RS decode a 2MS/s, 1Mbps bit rate,
> 10GB IQ file. This works fine, but I'm getting a
