Re: Communication using Packets

2021-11-07 Thread Paul Atreides
Sorry about that, I’ll post the actually code modifications later today. > On Nov 7, 2021, at 04:05, Evgeny Hahamovich wrote: > >  > Thanks for your help Paul. > I tried to apply your fix, but didn't understand where to do it. If I open > the python code of the Tx, but I don't see anywhere

Re: Communication using Packets

2021-11-07 Thread Evgeny Hahamovich
Thanks for your help Paul. I tried to apply your fix, but didn't understand where to do it. If I open the python code of the Tx, but I don't see anywhere any append or the array usage you mentioned :( On Sat, Nov 6, 2021 at 9:43 AM Paul Atreides wrote: > I was able to get around the swig errors

Re: Communication using Packets

2021-11-06 Thread Paul Atreides
I was able to get around the swig errors in the embedded block, but still need to do more testing to see if the modulated data is exactly what it should be. It looks correct so far. I replaced append with numpy.append and also used “import array” to copy the final char_list to a byte array new_

Re: Communication using Packets

2021-11-04 Thread Paul Atreides
Good news. I just tested both of the examples on GNURadio 3.9.2.0 and the issue described here does not occur. I'll test again on 3.8 and see if I can reproduce the issue. On Thu, Nov 4, 2021 at 6:24 PM Paul Atreides wrote: > Im also having the same error in this stage of the tutorial, running

Re: Communication using Packets

2021-11-04 Thread Paul Atreides
Im also having the same error in this stage of the tutorial, running GNURadio 3.8.(3?) Playing around with the embedded block and I also re-typed most of the lines. there were some white spaces I thought might be problematic, but I don’t think they were. Wondering if it’s because the message_

Re: Communication using Packets

2021-11-04 Thread Evgeny Hahamovich
Thank you Barry. Trying to follow your example. Here are 2 issues I encountered, will be glad if you can have a look: In the Tx, the flow seems to be running, but I don't see any signal, and also I get the following error message: handler caught exception: in method 'init_u8vector', argument 2 of

Re: Communication using Packets

2021-11-03 Thread Barry Duggan
Hi Evgeny, Recently I wrote a tutorial on https://wiki.gnuradio.org/index.php/Packet_Communications which should give you a basic understanding. Be sure to study the Prerequisites first! I did find that the examples did not work "out of the box". Good luck. --- Barry Duggan KV4FV https:

Communication using Packets

2021-11-02 Thread Evgeny Hahamovich
Hi all, I am interested to learn how to use the Packet Communications concept, and hope to get your advice. I am trying to start with some QPSK or something similar, based on the packet_tx & packet_rx examples, but getting lost along the way... Can you maybe guide me to something basic I can use