Re: [Discuss-gnuradio] Problem in using trellis Error correction en- and decoder

[Achilleas Anastasopoulos]

please change the "prefix" variable in this grc graph to the
absolute path of your gnuradio tree.
Eg, in my machine it is
"/home/anastas/gnuradio_trunk/"

Also, you might want to put a throttle somewhere.

Achilleas



On Sat, Oct 23, 2010 at 3:19 PM, Francisco Llaryora <address@hidden> wrote:
> Hello Achilleas.
> Forgiveness for mysticism about the example.
> is interference_cancellation.grc  (GNU Radio Companion 3.2.2)
> http://pastebin.com/N61P7tiP
> /usr/share/gnuradio/examples/grc/trellis/interference_cancellation.grc
>
> the error:
> [error]
> Loading: 
> "/usr/share/gnuradio/examples/grc/trellis/interference_cancellation.grc"
>>>> Done
>
> Showing: 
> "/usr/share/gnuradio/examples/grc/trellis/interference_cancellation.grc"
>
> Generating: "/usr/share/gnuradio/examples/grc/trellis/int_cancellation.py"
>>>> Warning: This flow graph may not have flow control: no audio or usrp 
>>>> blocks found. Add a Misc->Throttle block to your flow graph to avoid CPU 
>>>> congestion.
>
> Generating: "/usr/share/gnuradio/examples/grc/trellis/int_cancellation.py"
>>>> Warning: This flow graph may not have flow control: no audio or usrp 
>>>> blocks found. Add a Misc->Throttle block to your flow graph to avoid CPU 
>>>> congestion.
>
> Executing: "/usr/share/gnuradio/examples/grc/trellis/int_cancellation.py"
>
> terminate called after throwing an instance of 'std::runtime_error'
>  what():  fsm::fsm(const char *name): file open error
>>>> Done
> [/error]
>
> i change the path to absolute path, but don't work.
> the file exist in this directory. i no try to add a Throttle block.
>
> i do not care if the example doesn't work, be cause i don't get this
> error in my work.
> I must have to go now. sorry.
> thanks for the fast reply.
>
> 2010/10/23 Achilleas Anastasopoulos <address@hidden>:
>> Can you be more specific as to WHICH example in the gr-trellis
>> directory does not work.
>>
>> Achilleas
>>
>