Re: Installing Images and firmware USRPN200/N210

[Marcus D. Leech]

On 2021-10-15 5:57 p.m., isaac mario tupac davila wrote:
> Hello
>
> I'm Isaac. I have a tricky thing here instaling images. I have a USRP 
> N210 with FW Version: 12.1 FPGA Version: 10.0. When I prove the pps 
> test, it says: No PPS detected within the time interval. I believe it 
> is for the FPGA image(v10). So I tried to update the image and 
> firmware doing: ./uhd_images_downloader.py and later: 
> ./uhd_image_loader 
> --args="type=usrp2,addr=192.168.10.2,overwrite-safe" 
> --fw-path=/usr/local/share/uhd/images/usrp_n210_fw.bin 
> --fpga-path=/usr/local/share/uhd/images/usrp_n210_r4_fpga.bin, only once.
>
> I turned off my USRPN210 and now I can't find it (doesn't have IP 
> anymore) and any light(A,B,C or D) has turned on.
>
> The interesting thing is that I have a second USRP (N200,FW Version: 
> 12.3 FPGA Version: 10.0) with the same PPS problem and I don't want to 
> make the same mistake again. So...
>
> 1. What do you think I did wrong? ¿Do I have to eliminate 
> overwrite-safe in the command?
Why did you use overwrite-safe?  What possessed you to do that? Most of 
the time there is NO reason to overwrite the safe-mode image, since it
  is an image specifically to help you get through loading a bad "main" 
image.

> 2. How could I save my first USRP? Do I have to burn the FW and image 
> with a burner JTAG directly on the motherboard?
Almost certainly you do now.

https://kb.ettus.com/N200/N210_Device_Recovery#Unbricking_an_N-Series_Device


> Any help will be appreciate it.
> Thanks
> Regards
> Isaac T.