Way to solve libuhd error message output with USRP B210

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Sanat Varasada
Sanat Varasada 2017-2-6
评论： Nikolas Soulandros 2021-3-20
When I try to run any Simulink model or script using my USRP B210 device, I got an error message of libuhd. What does that mean and how can I solve it? For better understanding please find attached screen shot of the error message. Any help would be appreciated greatly!

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回答（1 个）

Ankit Bhatnagar
Ankit Bhatnagar 2017-2-9
In order to fix this UHD error, kindly update your UHD driver for the USRP hardware from the driver link:
http://files.ettus.com/binaries/uhd/latest_release/
Steps: -
1. Download the driver from above link for your win 32/64 bit. But, download the latest release VS2015 for your OS.
2. Open MATLAB and Connect your USRP hardware with PC.
3. Now install the UHD driver - After installation, close your matlab and remove USRP device.
4. Open MATLAB and connect USRP device with PC
5. Finally, run the findsdru in command window and make sure it's a success.
For more details, refer to the verifying the MATLAB connection to USRP doc link and also common problems and fixes:
  2 个评论
David Comer
David Comer 2020-1-31
This did not work for me. After following the instructions, the following results from findsdru:
findsdru
Checking radio connections...
Win32; Microsoft Visual C++ version 14.1; Boost_106501; UHD_3.13.1.0-vendor
---------- see libuhd version information above this line ----------
---------- begin libuhd error output ----------
Device discovery error: receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
---------- begin libuhd error output ----------
Device discovery error: receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
---------- begin libuhd error output ----------
X300 Network discovery error receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
---------- begin libuhd error output ----------
Device discovery error: receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
Loading FPGA image: C:\ProgramData\MATLAB\SupportPackages\R2019b\3P.instrset\uhdimage.instrset\uhd-images_3.13.1.0\usrp_b210_fpga.bin...
---------- begin libuhd error output ----------
Device discovery error: receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
---------- begin libuhd error output ----------
Device discovery error: receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
---------- begin libuhd error output ----------
X300 Network discovery error receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------
---------- begin libuhd error output ----------
Device discovery error: receive_from: An existing connection was forcibly closed by the remote host
---------- end libuhd error output ----------

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