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[Discuss-gnuradio] Re: Newbie need help with validating USRP

From: anne kwong
Subject: [Discuss-gnuradio] Re: Newbie need help with validating USRP
Date: Mon, 16 Feb 2009 04:58:14 -0500


I was able to bring up the ui for usrp_wfm_rcv.py after restarting USRP. 
In the UI, it says "Failed to set initial frequency" and I am getting the following warning from the command line.

address@hidden usrp]# ./usrp_wfm_rcv.py -f96.3
Using RX d'board A: Flex 900 Rx MIMO B
>>> gr_fir_ccf: using SSE
>>> gr_fir_fff: using SSE
audio_alsa_sink[hw:0,0]: unable to support sampling rate 32000
  card requested 44100 instead.

** (python:2886): WARNING **: IPP request failed with status 1030

** (python:2886): WARNING **: IPP request failed with status 1030
FYI: No Powermate or Contour Knob found

Does anyone know what is wrong?


On Mon, Feb 16, 2009 at 4:31 AM, anne kwong <address@hidden> wrote:

I am trying to validate my USRP installation with usrp_wfm_rcv.py.  I am getting error saying: RuntimeError: can't open usrp1

I am able to run the benchmark test with USB port, and the LED light is on.

Does anyone know what is the problem?

Here is the error message

address@hidden usrp]# ./usrp_wfm_rcv.py -f96.3
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_wfm_rcv.py", line 289, in <module>
    app = stdgui2.stdapp (wfm_rx_block, "USRP WFM RX")
  File "/usr/local/lib/python2.5/site-packages/gnuradio/wxgui/stdgui2.py", line 36, in __init__
    wx.App.__init__ (self, redirect=False)
  File "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7836, in __init__
  File "/usr/lib/python2.5/site-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7433, in _BootstrapApp
    return _core_.PyApp__BootstrapApp(*args, **kwargs)
  File "/usr/local/lib/python2.5/site-packages/gnuradio/wxgui/stdgui2.py", line 39, in OnInit
    frame = stdframe (self.top_block_maker, self.title, self._nstatus)
  File "/usr/local/lib/python2.5/site-packages/gnuradio/wxgui/stdgui2.py", line 60, in __init__
    self.panel = stdpanel (self, self, top_block_maker)
  File "/usr/local/lib/python2.5/site-packages/gnuradio/wxgui/stdgui2.py", line 81, in __init__
    self.top_block = top_block_maker (frame, self, vbox, sys.argv)
  File "./usrp_wfm_rcv.py", line 79, in __init__
    self.u = usrp.source_c()                    # usrp is data source
  File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp.py", line 250, in __init__
    fpga_filename, firmware_filename)
  File "/usr/local/lib/python2.5/site-packages/gnuradio/usrp1.py", line 1232, in source_c
    return _usrp1.source_c(*args)
RuntimeError: can't open usrp1

Thank you very much for all your help.


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