Re: ZMQ Message Debug

[Ryan Volz]

Hi Jay,

This does not directly address your ZMQ questions, but pertains to your 
software setup. Would being able to install ROS packages through conda be 
helpful?:

https://medium.com/robostack/cross-platform-conda-packages-for-ros-fa1974fd1de3

You could pair that with the GNU Radio packages available through conda-forge, 
and get GR 3.8 or 3.9:

https://wiki.gnuradio.org/index.php/CondaInstall

Just wanted to throw that out there in case it helps, but I don't have any 
experience with ROS.

Cheers,
Ryan

On 3/9/21 10:40 AM, Jay Patel wrote:
> Hi Cinaed,
>
> Thanks for your inputs. This is strange. I basically want to pipe the messages 
> coming from the zmqPULL message to transmit in the air using using hardware.
>
> And on the other side, want to decode that message and again push that message 
> via zmqPUSH message to external application.
>
> It managed this but unfortunately on the rx/decoder side it is writing some 
> weird messages something *like string of “5B 5B 5B” multiple times.* May be i 
> am not sampling correctly ? I’m still looking into the issue.
>
> @Marcus: I’m sorry i know i should not use this older version but the entire 
> system (multiple components) depends heavily on the Ubuntu 16.04, mostly due to 
> ROS kinetics. I wish i have leverage to move to newer GNURadio.
>
> Thanks for all your help.
>
> Jay
>
>
>
> On Mon, Mar 8, 2021 at 3:34 AM Cinaed Simson <cinaed.simson@gmail.com 
> <mailto:cinaed.simson@gmail.com>> wrote:
>
>     Hi Jay - enclosed is the second part of your flow chart - it was easy to 
> cut it out and paste in a separate flowgraph.
>
>     I fed the flowgraph with a wave file instead of using the output from the 
> first part.
>
>     The message debug works.
>
>     The only block with is blabbering is the Squelch. If you switch it between the "pass 
> through"  and "enable" positions, you'll see the PDU debug messages in the time 
> frequency plot.
>
>     The problem may be in the first part of the flow graph.
>
>     Otherwise, I have no idea what you're doing or why you're doing it.
>
>     -- Cinaed
>
>
>     On 3/7/21 12:06 PM, Jay Patel wrote:
> >     Hi all,
> >
> >     I am sending messages from an external application via (ZMQ PUSH) and 
> > received those messages in the GNURadio via ZMQ Pull message source.
> >
> >     From the ZMQ PULL side, I had correctly debugged the message coming from 
> > external applications.
> >
> >     I want to basically transmit those messages. But in the receiver side after 
> > the Tagged stream to PDU ->  message debug block don't print anything. I put a 
> > QT Freq sink to check if the data is coming properly or not.
> >
> >     Did I miss something? How can I properly debug the messages. I had attached 
> > my flow graph.
> >
> >     Any suggestions are welcome.
> >
> >     */With Regards,/*
> >     /Jay Patel/
>
> --
> */With Regards,/*
> /Jay Patel/
> /
> ​+1 902-818-8034​
> //
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