Re: [Discuss-gnuradio] Using scope in benchmark_tx to see signals before and after modulation

[Eric Blossom]

On Tue, Aug 11, 2009 at 02:19:02PM -0700, udadidd wrote:
> 
> Sorry, Thats PORT B ALREADY in USE

An output port may have any number of inputs connected to it.

Eric


> udadidd wrote:
> > 
> > sure i can do that.
> > But my connections are like this.....
> > 
> > self.connect(module A, module B, file_sink.1)
> > self.connect(module A,module B, module C)
> > 
> > self.connect (module C, module D, file_sink.2 )
> > self.connect (module C, module D, module E)
> > 
> > 
> > So now if i try to insert file in between my connections, it says, the
> > port C already in use!!
> > So is there a way i can tap the data at these points?
> > 
> > 
> > 
> > 
> > 
> > Eric Blossom wrote:
> >> 
> >> On Tue, Aug 11, 2009 at 08:59:23AM -0700, udadidd wrote:
> >>> 
> >>> hi 
> >>>  i want to see the signals on the scope before and after modulation. but
> >>> the
> >>> transmit_path.py use hier_block2 and benchmark_tx use top_block. can any
> >>> one
> >>> kindly help on where should i go ahead and make changes? 
> >> 
> >> May I suggest logging the data to a file using gr.file_sink(...)
> >> then examining it using octave, scipy, ...
> >> 
> >> Eric