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Re: [Discuss-gnuradio] UHD on USRP1 (Karmic Ubuntu)
From: |
Josh Blum |
Subject: |
Re: [Discuss-gnuradio] UHD on USRP1 (Karmic Ubuntu) |
Date: |
Sun, 26 Dec 2010 01:02:12 -0800 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Lightning/1.0b2 Thunderbird/3.1.7 |
> Thanks very much Josh. Yes the device is found :
>
> Loading firmware image: /usr/share/uhd/images/usrp1_fw.ihx... done
> --------------------------------------------------
> -- UHD Device 0
> --------------------------------------------------
> Device Address:
> type: usrp1
> name:
> serial: 4c745353
>
> Just to be crystal clear, A UHD implementation of a GNURadio-Companion file
> is the same as GNURadio i.e. source is USRP not UHD for USRP1?
>
Use the blocks in the UHD category (not USRP). Also, the floating point
samples are between -1.0 and 1.0 which is different than the old driver,
so that could change things depending upon your app. Its best to run it
and see what happens. :-)
> Also, when I populate with the DBSRX2 in addition to LFRX, can I run both? I
> saw a post from August saying something about only 1 i/o path at the moment.
>
Both channels should work. Configure the single usrp block for two
channels and setup the subdevice specification string (should be docs
for this in the block properties dialog box).
-josh