Re: [Discuss-gnuradio] Using usrp_sink in own C++ OOT block

[Martin Braun]

Take a look at the SWIG files in gr-uhd, and also take a look at
gr-ettus on how to achieve this.

-- M

On Fri, Apr 07, 2017 at 07:54:58AM +0000, address@hidden wrote:
>    Hi all,
> 
>     
> 
>    I’m struggling using the gnuradio usrp_sink in my own OOT block:
> 
>    ·         I added “UHD” to the gr required components in the Cmake lists
>    file of my OOT block.
> 
>    ·         I have a shared pointer to the usrp sink as a private member
> 
>    ·         In the constructor of my OOT block I want to initialize the
>    device. However I’m stuck with the stream_args_t struct.
> 
>    o   E.g. ::uhd::stream_args_t MyStreamArgs; à this works without
>    compilation and linker error but when I start my flowgraph with just that,
>    I get an attribute error in GRC which indicates that something during
>    linking / swig failed.
> 
>     
> 
>    Does anyone have an idea? Or a simple example how to use the usrp_sink or
>    usrp_source in its own block. The main reason for doing that is that I
>    have purely message based blocks and I want to wrap the usrp_sink in such
>    a block for my purposes.
> 
>     
> 
>    Regards,
> 
>    Emanuel
> 
>     

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