Re: [Discuss-gnuradio] right source to input message

[Josh Blum]

On 03/07/2013 08:04 PM, manjusha wrote:
> Opening a USRP1 device...
> -- Using FPGA clock rate of 64.000000MHz...
>>>> gr_fir_ccc: using SSE
>>>> gr_fir_ccf: using SSE
> Traceback (most recent call last):
>   File "/home/aklilu1/gnuradio/grc/Project/top_block.py", line 82, in
> <module>
>     tb.Run(True)
>   File
> "/usr/local/lib/python2.7/dist-packages/grc_gnuradio/wxgui/top_block_gui.py",
> line 76, in Run
>     self.start()
>   File "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/top_block.py",
> line 97, in start
>     self._tb.start(max_noutput_items)
>   File
> "/usr/local/lib/python2.7/dist-packages/gnuradio/gr/gnuradio_core_runtime.py",
> line 1976, in start
>     return _gnuradio_core_runtime.gr_top_block_sptr_start(self,
> max_noutput_items)
> RuntimeError: gr_buffer_add_reader: nzero_preload must be >= 0
> 
> 
> josh,
> 
> That is the error i got
> 

Thats like totally not the same as "Preload>=0"!
You must set your filter taps.
Now more email for today, ok?

- signing off -

-josh

> 
> 
> -----
> Manjusha
> --
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