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Re: [Discuss-gnuradio] Error in my first USRP test


From: Alaelddin Mohammed
Subject: Re: [Discuss-gnuradio] Error in my first USRP test
Date: Thu, 21 Jun 2007 10:19:44 +0200
User-agent: Thunderbird 2.0.0.4 (Windows/20070604)

it works now, thank you
But, when I tried to run usrp_spectrum_sense.py I got this

$ python usrp_spectrum_sense.py
Traceback (most recent call last):
 File "usrp_spectrum_sense.py", line 9, in ?
   from usrpm import usrp_dbid
ImportError: No module named usrpm

what is wrong now please.

Don Ward wrote:

----- Original Message ----- From: "Alaelddin Mohammed" <address@hidden>
To: <address@hidden>
Sent: Wednesday, June 20, 2007 11:17 AM
Subject: Re: [Discuss-gnuradio] Error in my first USRP test


I found that I am using libusb-win32 version 0.1.12.0-1, I change it to version 0.1.10.1-3. I plugged TX and RX in my USRP device. but I got this error.

$ python test_counting.py
found 5 busses
found 5 busses
usrp_open_interface:usb_claim_interface: failed interface 2
could not claim interface 2, interface invalid
usrp_basic_rx: can't open rx interface
Traceback (most recent call last):
 File "test_counting.py", line 53, in ?
   main ()
 File "test_counting.py", line 46, in main
   fg = build_graph ()
 File "test_counting.py", line 36, in build_graph
usrp_rx = usrp.source_s (0, rx_decim, 1, 0x32103210, usrp.FPGA_MODE_COUNTING) File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp.py", line 266, in __init__
   fpga_filename, firmware_filename)
File "/usr/local/lib/python2.4/site-packages/gnuradio/usrp1.py", line 1502, in source_s
   return _usrp1.source_s(*args)
RuntimeError: can't open usrp1

This is normal for Windows libusb0 0.1.10.1-3 the first time you try to access the USRP. If you try it again (without removing power to the USRP) it should work. See http://www.gnuradio.org/trac/wiki/WindowsTips for more tips on using GNU Radio with Windows.

-- Don W.

What shall I do now please
--Alaelddin



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