Hi,
I have a little problem with the Python API. I installed the UHD 3.15
driver from source. When I want to utilize the uhd.usrp.MultiUSRP()
command it only works if I launch Python as normal user. If I open the
Python environment with sudo it does not work anymore and I receive the
following error:
Python 3.6.9 (default, Apr 18 2020, 01:56:04)
[GCC 8.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import uhd
>>> uhd.usrp.MultiUSRP()
[INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501;
UHD_3.15.0.0-44-g5a9f9ed9
[INFO] [X300] X300 initialization sequence...
[INFO] [X300] Maximum frame size: 1472 bytes.
[INFO] [X300] Radio 1x clock: 200 MHz
[INFO] [GPS] Found an internal GPSDO: LC_XO, Firmware Rev 0.929b
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python3/dist-packages/uhd/usrp.py", line 20, in __init__
super(MultiUSRP, self).__init__(args)
RuntimeError: AssertionError: Failed to find a valid XML path for RFNoC
blocks.
Try setting the enviroment variable UHD_RFNOC_DIR to the correct location
I have read in a former post that this might happen when the driver is
installed with "make install", but I already reinstalled with "sudo make
install" and the same problem remains.
Does anyone know why this happens?
Thank you,
Christian
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