[Discuss-gnuradio] 802.15.4 how to forward a parameter to a c++ block

[bjoernm]

> > > Hi,
> > >
> > > I'm currently using the UCLA ZigBee PHY implementation posted on:
> > > https://www.cgran.org/wiki/UCLAZigBee
> > > with gnuradio.
> > >
> > > My question is the following:
> > > How can I forward a parameter from: src/python/ieee802_15_4_pkt.py
> > > ... e.g. from the "send_pkt(...)" function (or any other)
> > > to the c++ block in : src/lib/ucla_symbols_to_chips_bi.cc ?
> > >
> > > Or more generally speaking: How can I forward a parameter from a python
> > > application to the c++ processing block?
> > > If possible it would be great to use the io_signatures...
> > during instantiation of the block or during runtime?  If it's during
> > instantiation, you can use a parameter to the constructor of your C++
> > block.  But, if you want something during runtime I do not think it is
> > possible given the current architecture.  You do not explicitly call the
> > work() function where the processing is done, this is done within the GNU
> > Radio framework.
> >
> > - George
> Well I'd need it during runtime.
> What about using a shared memory block between the python and the  
> c++ block? Or what about calling a function from within the c++  
> block, which would get the parameter from the python block or a  
> specific memory block
>
> Thanks for the help!
>
> - Bjoern


Or how could I extend "ucla_symbols_to_chips_bi" to have more inputs,  
such that I could have one more stream forwarded from  
"ieee_802_15_4.py" to "ucla_symbols_to_chips_bi"?
This then could be used within the work() function, wouldn't it?

many thanks to all!
-Björn