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I believe I am at the point were I should be able to talk to
the USRP, but can’t. We presently have the USRP with two BasicTX and BasicRX
boards installed. We are running Fedora Core 5 We have installed GNU Radio per the instructions in the
README as closely as possible. If I run the dial_tone.py example, I get the tones out of
the headphones. If I run the usrp_siggen.py it requires an RF center
frequency. I have no idea how this should be entered (i.e., it is in Hertz,
MHz, ???) I tried # ./usrp_siggen.py –f 10 What I got was nine copies of a “connection timed out”
message and a complaint about it not being able to load the FPGA bitstream. The bitstream it was trying to load was: /usr/local/share/usrp/rev4/std_2rxhb_2tx.rbf I know that there is at least some communication going on
with the board, because when I power it up I get the green LED blinking at a
little over 3Hz. When I run the siggen program, the blinking stops (it usually
goes away, but once stayed on continuously). I have to cycle power to get the
blinking light back. I get the exact same behavior when I try to run the test_usrp_standard_tx
in the */host/apps directory. Any help would be appreciated. |
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