Re: [Discuss-gnuradio] Using UHD failed to find USRP2

[Nick Foster]

benchmark_tx uses the old USRP2 driver, not the UHD driver.

--n

On Mon, 2010-11-15 at 09:30 -0500, address@hidden wrote:
> Installed UHD following instructions from here:
> 
> http://code.ettus.com/redmine/ettus/projects/uhd/wiki
> 
> and firmware/images following instructions from here:
> 
> http://www.ettus.com/uhd_docs/manual/html/usrp2.html
> 
> GNU Radio was checked out from git master, so it is 3.3.1. Installed without
> error.
> 
> 
> After setting up PC IP, I am able to ping usrp2. Both uhd_find_devices and
> uhd_usrp_probe work, results are in the end.
> 
> However, when I run sudo benchmark_tx.py, USRP2 (with WBX daughterboard) could
> not be found, results are next below.
> 
> Any hints will be highly appreciated. I reinstalled both UHD and GNU Radio one
> time, same story. I tried to set options of -u, -a, and -e when running
> benchmark_tx.py, same story.
> 
> -Andrew
> 
> 
> 
> sudo benchmark_tx.py -f 434M
> ************************************************************************************
> usrp: failed to find usrp[0]
> Traceback (most recent call last):
>   File "./benchmark_tx.py", line 133, in <module>
>     main()
>   File "./benchmark_tx.py", line 97, in main
>     tb = my_top_block(mods[options.modulation], options)
>   File "./benchmark_tx.py", line 42, in __init__
>     self.txpath = usrp_transmit_path.usrp_transmit_path(modulator, options)
>   File
> "/home/titan/uhd/gnuradio/gnuradio-examples/python/digital/usrp_transmit_path.py",
> line 64, in __init__
>     self._setup_usrp_sink(options)
>   File
> "/home/titan/uhd/gnuradio/gnuradio-examples/python/digital/usrp_transmit_path.py",
> line 79, in _setup_usrp_sink
>     self.u = usrp_options.create_usrp_sink(options)
>   File "/usr/local/lib/python2.6/dist-packages/gnuradio/usrp_options.py", line
> 119, in create_usrp_sink
>     gain=options.tx_gain,
>   File
> "/usr/local/lib/python2.6/dist-packages/gnuradio/blks2impl/generic_usrp.py",
> line 195, in __init__
>     _generic_usrp_base.__init__(self, **kwargs)
>   File
> "/usr/local/lib/python2.6/dist-packages/gnuradio/blks2impl/generic_usrp.py",
> line 63, in __init__
>     except: raise Exception, 'Failed to automatically setup a usrp device.'
> Exception: Failed to automatically setup a usrp device.
> ************************************************************************************
> 
> 
> 
> uhd_find_devices works fine, results:
> ************************************************************************************
> linux; GNU C++ version 4.4.5; Boost_104200; UHD_20101109.230702.c0dfc2c
> 
> --------------------------------------------------
> -- UHD Device 0
> --------------------------------------------------
> Device Address:
>     type: usrp2
>     addr: 192.168.10.2
>     name:
>     serial: 00:50:c2:85:39:b9
> ************************************************************************************
> 
> uhd_usrp_probe works, results:
> ************************************************************************************
> linux; GNU C++ version 4.4.5; Boost_104200; UHD_20101109.230702.c0dfc2c
> 
> Target recv sock buff size: 50000000 bytes
> Actual recv sock buff size: 131071 bytes
> 
> Warning:
>     The recv buffer is smaller than the requested size.
>     The minimum recommended buffer size is 50000000 bytes.
>     See the transport application notes on buffer resizing.
>     Please run: sudo sysctl -w net.core.rmem_max=50000000
> 
> 
> Warning:
>     error in pthread_setschedparam
>     Failed to set thread priority 0.5 (realtime):
>     Performance may be negatively affected.
>     See the general application notes.
> 
> 
> Warning:
>     error in pthread_setschedparam
>     Failed to set thread priority 0.5 (realtime):
>     Performance may be negatively affected.
>     See the general application notes.
> 
>   _____________________________________________________
>  /
> |       Device: usrp2 device
> |     _____________________________________________________
> |    /
> |   |       Mboard: usrp2 mboard0 - rev 1024
> |   |   rev: 1024
> |   |   mac-addr: 00:50:c2:85:39:b9
> |   |   ip-addr: 255.255.255.255
> |   |   serial: 00:50:c2:85:39:b9
> |   |     _____________________________________________________
> |   |    /
> |   |   |       RX DSP: usrp2 ddc0
> |   |   |   Codec Rate: 100.000000 Msps
> |   |     _____________________________________________________
> |   |    /
> |   |   |       TX DSP: usrp2 duc0
> |   |   |   Codec Rate: 100.000000 Msps
> |   |     _____________________________________________________
> |   |    /
> |   |   |       RX Dboard: usrp2 dboard (rx unit)
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       RX Subdev: WBX (0x0053)
> |   |   |   |   Antennas: TX/RX, RX2
> |   |   |   |   Freq range: 68.750 to 2200.000 Mhz
> |   |   |   |   Gain range PGA0: 0.0 to 31.5 step 0.5 dB
> |   |   |   |   Connection Type: C
> |   |   |   |   Uses LO offset: No
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       RX Codec: usrp2 adc
> |   |   |   |   Gain Elements: None
> |   |     _____________________________________________________
> |   |    /
> |   |   |       TX Dboard: usrp2 dboard (tx unit)
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       TX Subdev: WBX (0x0052)
> |   |   |   |   Antennas: TX/RX
> |   |   |   |   Freq range: 68.750 to 2200.000 Mhz
> |   |   |   |   Gain range PGA0: 0.0 to 25.0 step 0.1 dB
> |   |   |   |   Connection Type: C
> |   |   |   |   Uses LO offset: No
> |   |   |     _____________________________________________________
> |   |   |    /
> |   |   |   |       TX Codec: usrp2 dac - ad9777
> |   |   |   |   Gain Elements: None
> 
> ************************************************************************************
> 
> 
> 
> 
> 
> 
> 
> 
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