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Re: [Discuss-gnuradio] Question Regarding GMSK2 examples

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Question Regarding GMSK2 examples
Date: Mon, 1 May 2006 17:04:48 -0700
User-agent: Mutt/1.5.9i

On Mon, May 01, 2006 at 07:19:49PM -0400, Elaine Garbarine wrote:
> Hello,
> I have a question about the GMSK2 examples, specifically the receive code.
> What I would like to do is be able to print the contents of the received
> data out to screen.  The end goal would be to be able to pass the data over
> to a Message Passing Interface so that it could be passed to higher network
> layers.  We have a working MPI but we just can't figure out how to access
> the demodulated GMSK data once it is received by the USRP.  Any help would
> be greatly appreciated.
> Regards,
> Elaine 

Hi Elaine,

If you look at gnuradio-examples/python/gmsk/tunnel_ip_null_mac,
you'll see how to pass packets to and from the networking layer using
the "tun" interface.

In benchmark_gmsk_rx, look for the function rx_callback.  It's called
with the received data in the "payload" argument as a python string. 


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