Flowgrah freezes with Symbol Sync block

I have a strange phenomenon: in this flowgraph, without the 'Symbol Sync' block, or a 'Correlate Access Code - Tag Stream' block, it works as expected. If I add either block, it seems to freeze and the Time Sink does not show any signal. Xubuntu 21.04 GR v3.10.0.0-rc2 https://pastebin.com/RNt

Re: Monitoring GNU Radio outside of GNU Radio

I use a combination of XMLRPC and ZMQ for this exact purpose. The kickstart can be done through xmlrpc as well I think, but I haven’t done it. I’ve got these on GitHub. You can message me on chat.gnuradio.org (muaddib) https://github.com/muaddib1984/stillsuit https://github.com/muaddib1984/arra

Re: Monitoring GNU Radio outside of GNU Radio

Hi James, how do you start the flow graph? If you use top_block.wait(), you can simply know that your flow graph is finished – namely, when that function returns. Best regards, Marcus On 15.12.21 15:52, J P wrote: Hello all, Currently working on a project that requires me to use the GNU rad

Re: Monitoring GNU Radio outside of GNU Radio

El 15/12/21 a las 15:52, J P escribió: Hello all, Currently working on a project that requires me to use the GNU radio API to kick start gnu radio, and then a listen thread to collect message from the Zmq sink. Is there any recommendations/way, for gnu radio to send a message out when it ha

Re: Reed-Solomon Decoding (Not for Digital Television)

Hi Patrick, Typically you would have synchronization words at the beginning of your Reed-Solomon codewords (this depends on the protocol you're dealing with). You can use the "Sync and create PDU packed" block from gr-satellites to detect the synchronization words and obtain PDUs with the RS

Re: Monitoring GNU Radio outside of GNU Radio

A couple of possibilities include: - inotify: detect that a GR program has closed a file when it ends - process control: spawn the GR program from another program/script and detect that it has finished Methods like these keep the parts of your system loosely coupled, e.g., you don't need the GR pro

Monitoring GNU Radio outside of GNU Radio

Hello all, Currently working on a project that requires me to use the GNU radio API to kick start gnu radio, and then a listen thread to collect message from the Zmq sink. Is there any recommendations/way, for gnu radio to send a message out when it has finished processing the stream, causing

Re: How to compute FFT and IFFT in C++ OOT?

Hi Ron, Thanks very much for this information! I will check out the links! Regards George On Tue, Dec 14, 2021, 11:32 PM Ron Economos wrote: > FFT support is built in to GNU Radio with FFTW. Here's how it's done. > First, define it in your foo_impl.h file. The options are fft_complex_fwd, > ff

Re: ofdm adalm-pluto

Hi Özkan! Is this unexpected? Invalid packets due to noise and fading... Best regards, Marcus On 15/12/2021 12.48, Özkan Sezer wrote: Dear GNURadio Comminity, I'm writing an OFDM transmitter and receiver block for my Ph.D. thesis. There is no problem without pluto SDR. But when I connect at t

ofdm adalm-pluto

Dear GNURadio Comminity, I'm writing an OFDM transmitter and receiver block for my Ph.D. thesis. There is no problem without pluto SDR. But when I connect at the end of the OFDM receiver or OFDM transmitter, took some caution like these. gr::log :INFO: packet_headerparser_b0 - Detected an invalid