I am trying to get GNU Radio up and running, I am am experiencing an error that I haven't been able to fix. It seems that uhd cannot find my EzTV 668 usb dongle. rtl_test, however, lists it correctly. When I try to run uhd_fft, I get a traceback and an error that says "No device found for ----> Empty device address." I used the most recent version of build-gnuradio to install all of the components, and have an up to date Ubuntu 12.04 x86_64 distribution. I have also made sure that udev was configured per http://files.ettus.com/uhd_docs/manual/html/transport.html#usb-transport-libusb. I have attached the outputs I get from lsusb, rtl_test, uhd_fft, and uhd_find_devices. Please help!
I can provide additional info as needed.
Thank you!
-David
$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 0bda:0158 Realtek Semiconductor Corp. USB 2.0 multicard reader
Bus 001 Device 004: ID 05ca:180a Ricoh Co., Ltd
Bus 003 Device 007: ID 413c:8160 Dell Computer Corp. Wireless 365 Bluetooth
Bus 003 Device 002: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 003 Device 003: ID 413c:8161 Dell Computer Corp. Integrated Keyboard
Bus 003 Device 004: ID 413c:8162 Dell Computer Corp. Integrated Touchpad [Synaptics]
Bus 002 Device 008: ID 0bda:2838 Realtek Semiconductor Corp.
$
$
$
$ rtl_test
Found 1 device(s):
0: ezcap USB 2.0 DVB-T/DAB/FM dongle
Using device 0: ezcap USB 2.0 DVB-T/DAB/FM dongle
Found Elonics E4000 tuner
Supported gain values (18): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0 43.0 45.0 47.0 49.0
Reading samples in async mode...
^CSignal caught, exiting!
User cancel, exiting...
$ uhd_find_devices
linux; GNU C++ version 4.6.3; Boost_104601; UHD_003.004.002-181-g25649781
No UHD Devices Found
$ uhd_fft
linux; GNU C++ version 4.6.3; Boost_104601; UHD_003.004.002-181-g25649781
Traceback (most recent call last):
File "/usr/local/bin/uhd_fft", line 337, in <module>
main ()
File "/usr/local/bin/uhd_fft", line 333, in main
app = stdgui2.stdapp(app_top_block, "UHD FFT", nstatus=1)
File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 38, in __init__
wx.App.__init__ (self, redirect=False)
File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7981, in __init__
self._BootstrapApp()
File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py", line 7555, in _BootstrapApp
return _core_.PyApp__BootstrapApp(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 42, in OnInit
self._max_noutput_items)
File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 64, in __init__
self.panel = stdpanel (self, self, top_block_maker, max_nouts)
File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py", line 86, in __init__
self.top_block = top_block_maker (frame, self, vbox, sys.argv)
File "/usr/local/bin/uhd_fft", line 91, in __init__
otw_format=options.wire_format, args=options.stream_args))
File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", line 116, in constructor_interceptor
return old_constructor(*args)
File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", line 2726, in usrp_source
return _uhd_swig.usrp_source(*args)
RuntimeError: LookupError: KeyError: No devices found for ----->
Empty Device Address
$
Thanks again!
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