On 09/10/2010 12:55 AM, Josh Blum wrote: > > > On 09/09/2010 06:43 PM, Vincent W wrote: >> Hi, >> >> I stumbled on this blockset on the Matlab website: >> >> http://www.mathworks.com/help/toolbox/commblks/ref/usrp2receiver.html >> >> I've been making do with the old firmware and fpga, but when I saw this >> link, I >> became really excited - especially because it implies I can decrease the >> decimation on my USRP2 to 1 - perhaps by requesting real, single precision >> values instead of complex doubles. >> > > The minimum sustainable sample rate over the wire is 25Msps for the UHD > (unless > you change FPGA implementation). I dont know what FPGA code "they" are using. > Also, I dont think these simulink blocks have UHD under the hood. > >> Is there an open source version of that blockset? >> >> Alternatively, despite poking around the UHD API, it wasn't immediately >> obvious >> how I could change the type of data, or set a decimation of 1, from the >> uhd::usrp::simple_usrp class. I suspect it may have something to do with the >> uhd::io_type_t class, but, again, I'm not too sure. >> > > The device::send and device::recv calls take the IO type as an argument. The > samples are converted between IO type and over-the-wire type in the UHD > implementation code. > > -Josh
I stand corrected; it seems like they are using the udp drivers, as opposed to the uhd drivers. My bad. vvv _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
