Re: Using ZMQ source blocks with a separate process

2020-02-19 Thread Barry Duggan
Hi Christoph and Michael, After many trials and failures I have created https://github.com/gnuradio/gnuradio/issues/3217 As far as the vmcircbuf issue was concerned, performing a `sudo ldconfig` fixed that. I have been unable to correlate these versions: Current libzmq version is 4.3.1 Curr

Re: Using ZMQ source blocks with a separate process

2020-02-18 Thread Barry Duggan
I have a freshly built GR 3.8.1.0-rc1 and GRC 3.8.1.0 on rPi. A simple flowgraph of ZMQ PULL Message Source feeding a Message Debug gives the following errors: ``` Executing: /usr/bin/python3 -u /home/pi/GRdev/msg_test.py libEGL warning: DRI2: failed to authenticate qt5ct: using qt5ct plugin

Re: Using ZMQ source blocks with a separate process

2020-02-18 Thread Christoph Mayer
Hi Barry, >> I have >> been able to use various Python examples to test between processes, but >> when I try to use a GRC block, it fails. Are there restrictions which >> prohibit data exchange outside the gnuradio realm? >> Make sure to use the same ZMQ version as is used by GNURadio. Cheers Ch

Re: Using ZMQ source blocks with a separate process

2020-02-18 Thread Michael Dickens
GR's ZMQ should work across threads, processes, and networks; between GR and non-GR so long as the packet formatting is correct. I've used ZMQ between GR within a network, never done this between GR and non-GR though ... so maybe this is an aspiration rather than guarantee? - MLD On Mon, Feb 17, 2