Hi,
I have UHD version 4.6 installed and am currently trying to follow the [RFNOC
tutorial](https://kb.ettus.com/Getting_Started_with_RFNoC_in_UHD_4.0 "RFNOC
tutorial"). I managed to install everything correctly and then tried to create
a bitstream as shown in the documentation.
*$ cd <repo>/fpga/usrp3/top/x300/*
*$ rfnoc_image_builder -y ./x310_rfnoc_image_core.yml -t X310_XG*
First I get this message:
*\[ERR\] FPGA path not found. Specify with --fpga-dir argument.*
I then modified the command as follows:
*$ rfnoc_image_builder -F <repo>/fpga -y ./x310_rfnoc_image_core.yml -t X310_XG*
At this point I get the following output:
*\[INF\] Using FPGA directory <repo>/fpga*
*\[INF\] Selected device x310*
*\[INF\] Using io_signatures.yml from /usr/local/share/uhd/rfnoc/core.*
*\[INF\] Using x310_bsp.yml from /usr/local/share/uhd/rfnoc/core.*
*\[INF\] Adding block description from duc.yml
(/usr/local/share/uhd/rfnoc/blocks).*
*\[INF\] Adding block description from keep_one_in_n.yml
(/usr/local/share/uhd/rfnoc/blocks).*
*\[INF\] Adding block description from axi_ram_fifo.yml
(/usr/local/share/uhd/rfnoc/blocks).*
*\[INF\] Adding block description from radio_1x64.yml
(/usr/local/share/uhd/rfnoc/blocks).*
*Traceback (most recent call last):*
*File "/usr/local/bin/rfnoc_image_builder", line 240, in <module>*
*sys.exit(main())*
*File "/usr/local/bin/rfnoc_image_builder", line 219, in main*
*image_builder.build_image(*
*File "/usr/local/lib/python3/dist-packages/uhd/imgbuilder/image_builder.py",
line 922, in build_image*
*blocks = read_block_descriptions(signatures_conf, \*block_paths)*
*File "/usr/local/lib/python3/dist-packages/uhd/imgbuilder/image_builder.py",
line 609, in read_block_descriptions*
*blocks\[filename\] = IOConfig(block, signatures)*
*File "/usr/local/lib/python3/dist-packages/uhd/imgbuilder/image_builder.py",
line 152, in __init__*
*expand_io_port_desc(getattr(self, "io_ports"), signatures)*
*File "/usr/local/lib/python3/dist-packages/uhd/imgbuilder/image_builder.py",
line 115, in expand_io_port_desc*
*for signature in signatures\[io_port\["type"\]\]\["ports"\]:*
*KeyError: 'ctrl_port'*
Is anyone aware of any issues with RFNOC and UHD 4.6 (note that I get the same
result with UHD 4.5)?
Thanks in advance for the help.
Enrico
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