paul munro wrote: > Hi all. > I am looking at the possibility of integrating Labview into GNURadio to > demodulate FM. Has anyone out there looked into this?? What I am hoping > is that labview will be able to read the complex stream from the USRP > via the USB port. > What I need to know is > 1) Once the IF frequency etc is uploaded, does the USRP try to send a > continuous stream if data regardless of whether the the python program > is running on the PC?? Or is there 2 way communication that deals with > buffer over/under run etc?? (I may have to unplug the usb and replug > into a windows machine until i get a linux version of labview )
You could run the windows version of gnuradio. It is not as mature as the linux version, but good enough for getting usrp samples. http://www.olifantasia.com/projects/gnuradio/mdvh/mingw/binary-installer/gnuradio-with-usrp/ Greetings, Martin > 2) Is there any easy way of accessing the data stream, and what format > does it have. I have read that it sends 16 bit I then 16 bit Q, but is > there a frame setup to indicate the start/end of each I and Q word?? > From what I understand, the data is sent using bulk. I am yet to look up > the USB2.0 specification to see the format of bulk packets. > Essentially I'm hoping I can design a driver to read the data coming > over USB, recover the I & Q and finally demodulate the signal. > > I am not even sure if this is possible. Any help would be greatly > appreciated. > > Regards Paul > > _________________________________________________________________ > Shop ‘til you drop at XtraMSN Shopping http://shopping.xtramsn.co.nz/home/ > > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
