"could not execute UHD driver command" error for N210 USRP using Simulink examples under Matlab2013a
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One month ago, I have gone through the Windows setup steps, when running radios=findsdru command, I was receiving that UHD version on the N210 module is not compatible with the one on the MAtlab 2013a version I am using. I have followed the instructions to upgrade UHD by using the command: !C:/Python34/python.exe C:\MATLAB\SupportPackages\R2013a\EttusResearch-UHD-Mirror-7f44d83\host\utils\usrp_n2xx_net_burner_gui.py
after that, radios=findsdru command was indicating success, a log document is attached showing results of this command and probesdru command. the images usde as of version 003.004.002 which are said to be compatible with the Matlab version I have. When trying to run one of the simulink examples available on the matlab support package (namely: sdruQPSKtransmitter), it gives me an error shown in the attached image file, while not seing any RF signal on the antenna connector of the attached SBX40 RF board . when trying the matlab code counterpart, I can see many UHD: U errors in the main matlab windown, while failing to see any RF signal on the antenna connector too!! it seems Matlab is not able to send required design parameters although it was able to see the N210 successfully.
Any help??
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sameen murtaza
2017-1-5
I am using 2013a version of matlab and I am getting an error of 'not compatible' by matlab on giving command "findsdru.So can you please tell me how to upgrade the firmware for my USRP device
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Ethem
2015-11-2
"UHD: U" means an underrun has happened and this happens when transmitting using USRP radios (see http://files.ettus.com/manual/page_general.html#general_ounotes_underrun). This means the Simulink model is not running as fast as the radio consumes samples. Can you run other examples successfully?
In general, you can try
1) Decrease sample rate of your model to see if it makes a difference.
2) Run the model in "Accelerator" or "Rapid Accelerator" modes
3) Check your Ethernet connection speed
4) Turn off any Internet security programs that scan Ethernet ports
5) Close programs that use CPU cycles
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