Re: usage of gr.decim_block with python

[Harald Fritzsche]

Hello,
ok understood. Then i will make it static.
Regards
vy73
Harald
DD0VS
Am Wed, 3 Mar 2021 07:10:05 -0500
schrieb Jeff Long <willcode4@gmail.com>:

> In 3.8, I don't think you can change the decimation factor after
> instantiation.
> 
> In 3.9+, more of the internal functions, e.g., set_decimation() are
> exported via PyBind11 BUT there might be some unknowns in how things
> work if you subclass from the Python blocks (as in 3.8) and then use
> pybind-exported functions.
> 
> On Wed, Mar 3, 2021 at 6:29 AM Harald Fritzsche <dd0vs@dd0vs.de>
> wrote:
> 
> > Hello Jeff,
> > thanks for your reply.
> > Yes, thats what i did.
> > But for the work function i need to access the decimiation-value.
> > I have no glue how :-(
> >
> > vy73
> > Harald
> > DD0VS
> > Am Wed, 3 Mar 2021 06:15:20 -0500
> > schrieb Jeff Long <willcode4@gmail.com>:
> >  
> > > If your block inherits from decim_block, then you can set the
> > > decimation statically when you call the superclass initializer in
> > > your block's init. In Python3 it would be something like:
> > >
> > > class MyBlock(decim_block):
> > >     def __init__(self, decim):
> > >         super().__init__(name, in_sig, out_sig, decim)
> > >         ...
> > >
> > >
> > > On Wed, Mar 3, 2021 at 1:44 AM Harald Fritzsche <dd0vs@dd0vs.de>
> > > wrote:
> > >  
> > > > Hello all,
> > > >
> > > > i am struggling a bit with gr.decim_block.
> > > >
> > > > I think its possible to call e.g. self.set_decimation(decim).
> > > >
> > > > But whatever i do, GRC and python tells me:
> > > >
> > > > AttributeError: 'blk' object has no attribute 'decimation'
> > > > (in case i try self.decimation())
> > > >
> > > > I am a little bit lost and need guidance.
> > > >
> > > > (under Windows 10 with gr 3.8 – a big thank you to Geof
> > > > Nieboer!!!!)
> > > >
> > > > Vy73
> > > > Harald
> > > > DD0VS
> > > >
> > > >  
> > >  
> >
> >  
>