Hi,
I am trying to record I/Q data from two daughterboards (currently a
TVRX and a RFX400) on one USRP simultaneously. I have no trouble
recording data from either of these daughterboards independently, but
when I try to record data simultaneously, I receive the following error:
------------------------------------------------------------------------
------
#./usrp_rx_cfile.py -R A -d 10 -g 65 -f 491e6 data
usrp_open_interface:usb_claim_interface: failed interface 2
could not claim interface 2: Device or resource busy
usrp_basic_rx: can't open rx interface
Traceback (most recent call last):
File "./usrp_rx_cfile.py", line 105, in ?
my_graph().run()
File "./usrp_rx_cfile.py", line 61, in __init__
self.u = usrp.source_c(decim_rate=options.decim)
File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp.py",
line 248, in __init__
fpga_filename, firmware_filename)
File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp1.py",
line 1232, in source_c
return _usrp1.source_c(*args)
RuntimeError: can't open usrp1
------------------------------------------------------------------------
------
This seems to be an inability to open the USB port on the second call
to usrp_rx_cfile.py. Is there a simple workaround to this problem?
Regards,
Brent
----------------------------------
Brent M. Ledvina
Assistant Professor
Bradley Department of Electrical and Computer Engineering
Virginia Tech
Blacksburg, VA 24061
ph: 540.231.0656
Office Hours: T 1-3, W 11-12
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