On 17/01/13 14:53, mle...@ripnet.com wrote:
The rPI CPU is so anemic, that running a GR stack on it doesn't make
much sense. Perhaps just a data-gathering part, connected to some
hardware, forwarding samples to somewhere else.
I tested that using a TCP/UDP source/sink for bigger iron to connect to.
(USRP Source -> TCP Sink, TCP Source -> USRP Sink)
Better results than I expected. At native speed, I was able to do 250kHz
full duplex, with very few under/overflows.
I'm convinced that if I'd overclocked it, then it would have been
fine. This was on an original model B with only 256Mb of RAM, the
B2 models with 512Mb I haven't had the chance to test with gnuradio
(yet.)
As far as special build instructions go, I followed a post on this
list, and everything built fine. I don't know if the "extra" ./configure
flags etc have made it into the build system.
Best Regards
Iain
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