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From: | Josh Blum |
Subject: | Re: [Discuss-gnuradio] User experience with E1x0 boards |
Date: | Tue, 03 May 2011 15:33:52 -0700 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.15) Gecko/20110419 Lightning/1.0b2 Thunderbird/3.1.9 |
> > 4) Be sure to tell UHD you want integer samples. I'm thinking even then > UHD has to swap IQ for historical reasons. (Josh, help?) > There is a copy-conversion operation between kernel buffer memory and user memory. If the user requests complex shorts, I believe the conversion is the equivalent of a 16 bit integer pair swapping. This routine could be replaced with NEON intrinsics pretty easily. -Josh
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