USRP Software Radio

cancel
Showing results for 
Search instead for 
Did you mean: 

UHD ERROR

Dear all,

I am  using  one  USRP/2901 as transmitter of signal while  on the other end i am using other usrp/2901 as receiving the signal  on  separate laptop but  at the  receiving end i have following error

UHD Error:
    USB open failed: insufficient permissions.
    See the application notes for your device.
Traceback (most recent call last):
  File "/home/uzair/top_block.py", line 95, in <module>
    main()
  File "/home/uzair/top_block.py", line 89, in main
    tb = top_block_cls()
  File "/home/uzair/top_block.py", line 66, in __init__
    channels=range(1),
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", line 122, in constructor_interceptor
    return old_constructor(*args)
  File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", line 2671, in make
    return _uhd_swig.usrp_source_make(*args)
RuntimeError: LookupError: KeyError: No devices found for ----->
Empty Device Address

0 Kudos
Message 1 of 2
(2,669 Views)

Hi,

 

Could you provide more context?

At what point are you receiving the error? Is this error occurring in code that you've written? While pinging the device?

What software environment are you programming in?

 

Regards,

 

Finch Train

0 Kudos
Message 2 of 2
(2,633 Views)