On Mon, Apr 26, 2010 at 3:13 PM, Douglas Geiger <doug.gei...@bioradiation.net> wrote:
> Josh, > Trying it out on one of my USRP2's here, with an RFX2400. The build > went well: libuhd, firmware and fpga images all built fine. And > building the gr-uhd branch of gnuradio had no problems either, > although I haven't gotten to the point of being able to use it yet: I > seem to be having trouble with the USRP2 registering as being found. > For example, if I run uhd_find_devices, I get: > >> $ uhd_find_devices >> No UHD Devices Found > > Opening up wireshark, I can see that the host and USRP2 are > communicating over UDP (with the correct IP addresses, it seems to me > at least): > >> 43 14:56:36.672264 192.168.10.1 192.168.10.255 UDP Source >> port: 40243 Destination port: 49152 >> 44 14:56:36.672336 192.168.10.2 192.168.10.1 UDP Source port: >> 49152 Destination port: 40243 > > Host has the IP address 192.168.10.1 on the interface connected to the > USRP2, and the USRP2 appears to have the default 192.168.10.2. I can > send the contents of the UDP packets if you'd like to see them. > Taking a quick look at the usrp2::find function, it looks like it's > supposed to be waiting in a while loop until a timeout occurs, is it > possible the timeout is happening before the response came from the > USRP2? Or have I perhaps made some simple mistake? > Thanks, > Doug > To follow up: it appears that it does work, at least libuhd + gr-uhd + grc works. For example, if I open up GRC, throw in a UHD simple source, and graphical FFT block and set appropriate parameters, I do see what I expect: a nice FFT plot of whatever bit of spectrum I've specified. So I suspect that I am running into some bug in uhd_find_device. Doug -- Doug Geiger doug.gei...@bioradiation.net _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
