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Re: [Discuss-gnuradio] Output of usrp_rx_cfile and Input of ATSC demodul


From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Output of usrp_rx_cfile and Input of ATSC demodulator
Date: Thu, 29 Nov 2007 15:46:35 -0800
User-agent: Mutt/1.5.17 (2007-11-01)

On Thu, Nov 29, 2007 at 05:51:30PM -0500, Wuest Brandon-WTVR47 wrote:
> Do you know if the USRP is in fact little endian?  I wrote a little C
> program to test the endian-ness of my machine (which I am sure everyone
> did in CS 101) and its big endian.  
> 
> Endian-ness is based purely off the processor and not the OS right?
> Sorry for the somewhat non-related SDR question, I generally work with
> Java, so I sometimes forget about those silly low level details :).

Raw data from the USRP is little endian.  If you use
usrp.source_c(...) it's converted to native complex<float> in the
interface code.

Eric




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