Re: When i want to run some RFNOC blocks in Gnuradio i faced with errors module 'ettus' has no attribute 'device3'

[sp h]

When I removed device 3 block I had these errors

  File "/home/sp/Downloads/default474.py", line 192, in main
    tb = top_block_cls()
  File "/home/sp/Downloads/default474.py", line 143, in __init__
    self.ettus_rfnoc_digital_gain_0 = ettus.rfnoc_generic(
AttributeError: module 'ettus' has no attribute 'rfnoc_generic'

with device 3 block in the GRC file, I had these errors...

    main()
  File "/home/sp/Downloads/default474.py", line 199, in main
    tb = top_block_cls()
  File "/home/sp/Downloads/default474.py", line 76, in __init__
    self.device3 = usrp = ettus.device3(uhd.device_addr_t( ",".join(('type=x300', '')) ))
AttributeError: module 'ettus' has no attribute 'device3'

On Mon, Jan 10, 2022 at 11:52 AM sp h <stackprogramer@gmail.com> wrote:

Thanks, Marcus, my GRC file is attached, it is a gain RFNOC block, I too share a screenshot I built Gnuradio 3.8.1 and UHD 4.0.0 from the source in ubuntu 20.04, I will study the link but I can not how to fix problems.