Re: [Discuss-gnuradio] [use of gr.vector_source_b]

[Rita's pfc]

Thanks a lot Eric
        
In the end I could do a small part of what I wanted, at least I have made
some progress.
It's very probable that I will have some new troubles....

Thanks again


Eric Blossom wrote:
> 
> On Thu, Jun 04, 2009 at 05:50:03AM -0700, Rita's pfc wrote:
>> 
>> Thanks Eric.
>> But now, I want to print, or just simply get into a vector or file the
>> result of coding. I use the subfunction, vector_sink_x.data() . The code
>> I
>> have is:
>> 
>>  
>>                 s='asdf'
>>              cadena = map(ord, s)
>>              src = gr.vector_source_b(cadena,False)
>>              tre = trellis.encoder_bb(f,0)
>>              sink_cod_vector = gr.vector_sink_b()
>>              sin = gr.file_sink(gr.sizeof_char,"fichero.log")
>>              self.connect(src, tre)
>>              self.connect(tre, sink_cod_vector)
>>              self.connect(tre, sin)
>>              print "...               ", sink_cod_vector.data()
>>              print "datas cod len     ", len(sink_cod_vector.data())
>> 
>> 
>> and the output was:
>> 
>> ...                ()
>> datas cod len      0
>> 
>> but it creates the file fichero.log whose size is 4 bytes, what is normal
>> (4
>> chars to code)
> 
> The vector_sink is empty because you have not yet run the graph.
> Take a look at pretty much any of the qa_*.py files for examples.
> 
> Eric
> 
> 
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