Philip
-------- Original Message -------- Subject: Finally, OMAP3 USB numbers Date: Tue, 24 Mar 2009 11:04:55 -0400 From: Philip Balister <[email protected]> To: discuss-gnura...@gnu. Org <[email protected]> OK, I rebuilt Angstrom with libusb-0.12 ans tested on my Gumstix Overo. The Overo has a working EHCI host port. (Well after I removed a speck from the back of the board called R26) Enough about my problems and eyesight. Running : # ./test_usrp_standard_rx -D 10 xfered 1.34e+08 bytes in 5.27 seconds. 2.547e+07 bytes/sec. cpu time = 3.969 noverruns = 0 # ./test_usrp_standard_rx -D 256 xfered 1.34e+08 bytes in 134 seconds. 1e+06 bytes/sec. cpu time = 0.2422 noverruns = 0 # ./test_usrp_standard_tx -I 512 xfered 1.34e+08 bytes in 134 seconds. 1e+06 bytes/sec. cpu time = 5.14 0 underruns # ./test_usrp_standard_tx -I 24 xfered 1.34e+08 bytes in 6.29 seconds. 2.133e+07 bytes/sec. cpu time = 5.38 0 underruns 10 is the smallest decimation without overruns and 24 is the smallest interpolation without underruns. I doubt we can do much at the higher rates, but the basic numbers look good. Philip
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