On Wednesday 26 July 2006 23:19, Greg Troxel wrote:
> barossa: {29} ./test_usrp_standard_rx
> ....
> xfered 1.34e+08 bytes in 4.2 seconds. 3.197e+07 bytes/sec. cpu time =
> 0.04173
> noverruns = 41
>
> barossa: {30} ./test_usrp_standard_tx
> ...
> usb_control_msg failed: error sending control message: Input/output error
> xfered 1.34e+08 bytes in 4.64 seconds. 2.894e+07 bytes/sec. cpu time =
> 0.491 41 underruns
>
> So this doesn't work. Could you try with decimation 10 (or 12, until
> you get only a few underruns)?
Here are the values that stop producing overruns:
barossa: {101} ./test_usrp_standard_rx -D 10
xfered 1.34e+08 bytes in 5.24 seconds. 2.56e+07 bytes/sec. cpu time = 0.0399
noverruns = 0
barossa: {106} ./test_usrp_standard_tx -I 20
usb_control_msg failed: error sending control message: Input/output error
xfered 1.34e+08 bytes in 5.28 seconds. 2.542e+07 bytes/sec. cpu time = 0.492
0 underruns
cheerio Berndt
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