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UHD, the "Universal Software Radio Peripheral" hardware driver on Debian:
=========================================================================
usrp group
----------
The Debian uhd-host package installs a usrp group.
This provides two main benefits:
- Access control:
The udev rules limit access to members of the group
(at least for USB attached USRPs).
- Real Time Priority privilege:
The pam limits setting allows UHD to boost the
thread scheduling priority for usrp group members.
To avail yourself of these benefits, add your username
to the usrp group, perhaps by running, as root something like:
adduser myusername usrp
substituting your user name for myusername.
Settings will not take effect until the user has logged in and out.
Multiple packages
-----------------
libuhd4.2.0:
Small package just for the library itself.
libuhd-dev:
Small package just for developing applications
using the library itself.
uhd-host:
The uhd-host package contains utilities such as the uhd_find_devices and
uhd_usrp_probe commands for locating and examining USRP devices, as well
as other utilities.
Also, under /usr/lib/uhd/ are examples, tests and utils
directories. The utils include tools for managing the
flash memory or EEPROM configuration of various USRPs.
UHD Firmware / FPGA images
--------------------------
The uhd-images package is not part of the main Debian distribution
because the FPGA firmware requires non-free vendor tools to compile
from source.
For USRP devices with non-volatile configuration having the firmware
images on the host is optional. But some USRPs are volatile, and
the UHD library will fetch files from the /usr/share/uhd/images/
directory at runtime.
The uhd_images_downloader is a python script to download from
Ettus.com and install the files.
More Information
----------------
Additional HTML documentation is installed. See
file:///usr/share/doc/uhd-host/doxygen/html/index.html
-- A. Maitland Bottoms <bottoms@debian.org>, Thu, 9 Oct 2014 23:14:19 -0400
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