Re: [Discuss-gnuradio] 'unable to coerce endpoint' Error

[kaleem ahmad]

I am using *stdgui2.std_top_block* to inherit my main class, then I am
connecting rxpath and txpath to it, its working fine (Both rxpath and txpath
are inherited from gr.hier_block2).

But when I add  following, I get this 'coerce error':

self.fft_input = fftsink.fft_sink_c(....)   ***PLEASE NOTE THAT I AM USING
fftsink NOT fftsink2***
self.connect (self.u, self.fft_input)

Can we use fftsink with stdgui2 rather than stdgui????

otherwise what can be the reason, Is there any example program using
fftsink2 (Actually I tried a lot but I could not use fftsink2 that's why I
used fftsink)

Kaleem Ahmad
 

Johnathan Corgan-2 wrote:
> 
> On Tue, Nov 4, 2008 at 10:53 AM, kaleem ahmad <address@hidden>
> wrote:
> 
>> I have following message, can someone tell me how can I remove it?
>>
> [...]
>>  File "/usrp/cognitive/gr-comac1.0/src/python/receive_path.py", line 226,
>> in __init__
>>    self.connect (self.u, self.fft_input)
> [...]
>>  File
>> "/usr/local/lib/python2.5/site-packages/gnuradio/gr/hier_block2.py",
>> line 65, in _coerce_endpoint
>>    raise ValueError("unable to coerce endpoint")
>> ValueError: unable to coerce endpoint
> 
> It is complaining that either self.u or self.fft_input is not a
> regular or hierarchical block.
> 
> -Johnathan
> 
> 
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> 
> 

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