On 2022-03-26 12:37, [email protected] wrote:
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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Are you forgetting to "export" your environment variable setting?
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