I have been fighting this problem for two months; sometimes able to work for a
couple of days, and then it breaks again. It occurs on multiple hardware
platforms.
@SDR1000:\~/SDR/uhd/host/build/examples$ sudo -E ./benchmark_rate --args
type=b200,fpga=/usr/local/share/uhd/images/usrp_b200mini_fpga.bin --rx_rate
10e6 --tx_rate 10e6
results in:
———————-
\[INFO\] \[UHD\] linux; GNU C++ version 9.4.0; Boost_107100;
UHD_4.2.0.git-435-g220710b1
\[WARNING\] \[B200\] EnvironmentError: IOError: Could not find path for image:
usrp_b200_fw.hex
Using images directory: <no images directory located>
Set the environment variable 'UHD_IMAGES_DIR' appropriately or follow the below
instructions to download the images package.
———————
the environment variable is set in \~/.bashrc as shown below
———————
@SDR1000:\~/SDR/uhd/host/build/examples$ echo $UHD_IMAGES_DIR
/usr/local/share/uhd/images/
jericho@SDR1000:\~/SDR/uhd/host/build/examples$ sudo -E uhd_find_devices
\[INFO\] \[UHD\] linux; GNU C++ version 9.4.0; Boost_107100;
UHD_4.2.0.git-435-g220710b1
\--------------------------------------------------
\-- UHD Device 0
\--------------------------------------------------
Device Address:
serial: xxxxxxxxx
name: B200mini
product: B200mini
type: b200
———————
I was briefly able to have the command working benchmark_rate work last week by
adding the args, but now it is failing again. It fails with sudo -E or plain
sudo. And also fails without the args. How do I get past this? Thanks!
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