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

From: udadidd
Subject: Re: [Discuss-gnuradio] Using scope in benchmark_tx to see signals before and after modulation
Date: Tue, 11 Aug 2009 14:18:15 -0700 (PDT)

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
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