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Re: [Discuss-gnuradio] Question Regarding GMSK2 examples

From: Elaine Garbarine
Subject: Re: [Discuss-gnuradio] Question Regarding GMSK2 examples
Date: Mon, 01 May 2006 20:21:10 -0400
User-agent: Microsoft-Entourage/


Thanks for pointing out rx_callback to me.  I can't believe I missed that
function when I was going through the example.

As a related question, does rx_callback only exist if the packet is received
properly (i.e. without errors)?


On 5/1/06 8:04 PM, "Eric Blossom" <address@hidden> wrote:

> 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.
> Eric

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