On 09/21/2010 01:30 AM, Per Zetterberg wrote:
I read the page you refer to but I don't understand. Is this correct ?
uhd::device_addr_t dev_addr;
dev_addr["addr"] = "192.168.10.11 192.168.20.11";
dev_addr["addr"] = "192.168.10.11 192.168.20.11";
dev_addr["recv_buff_size"] = "1e4";
d_mdev=uhd::usrp::mimo_usrp::make(dev_addr);
That should work, however, that is a very small buffer. Expect overflow.
If this is linux, I recommend setting sysctl and letting UHD
automatically pick the size.
sudo sysctl -w net.core.rmem_max=50000000
Yes. But then I need to do change this value when depending on which
application I about to run or ... ?
50MB is half a second of buffering at full rate. The default behavior of
the UHD is to resize recv buffers to 50 MB. I think that is sufficient
for most applications.
-Josh
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