Rob,
The -I option is meant for out-of-tree blocks, which are supposed to follow
the same structure as the example. The switchboard.yml file is missing a
line that indicates where its makefile.srcs is:
makefile_srcs:
"${fpga_lib_dir}/blocks/rfnoc_block_switchboard/Makefile.srcs"
See one of the other in-tree RFNoC blocks for an example (e.g.,
uhd/host/include/uhd/rfnoc/blocks/fir_filter.yml). Once you add that then
you shouldn't need to specify it using -I. I'll see that switchboard.yml
gets updated.
Thanks,
Wade
On Wed, Nov 18, 2020 at 1:10 PM Rob Kossler via USRP-users <
usrp-users@lists.ettus.com> wrote:
> Hi,
> I'm wondering what is the intended procedure for building an FPGA image
> using non-default Ettus RFNoC blocks in RFNoC 4.0. I am referring to using
> Ettus-developed blocks other than Radio, DDC, DUC, and Replay which by
> default are included (see Makefile.n3xx.inc which mentions that only these
> default blocks are included).
>
> I am trying to include the Ettus switchboard block in my image and I get
> an error that this block cannot be found. If I add a command line option
> "-I" to add an include folder to the build, this still does not work (see
> error below). This command line option seems to expect an "fpga" subfolder
> which does not exist for the switchboard block.
>
> However, if I directly modify Makefile.n3xx.inc to add the switchboard
> block in the same way as DDC, it works. But, this does not seem to me to
> be the intended way of doing things. Is there a better way?
> Rob
>
> ************ HERE is the command I issue
> $ rfnoc_image_builder -y n310_pulse_det_6_rfnoc_image_core.yml -I ./ -F
> /data/rkossler/uhd/UHD-4.0/uhd/fpga/ -d n310 -t N310_XG -I
> /data/rkossler/uhd/UHD-4.0/uhd/fpga/usrp3/lib/rfnoc/blocks/rfnoc_block_switchboard/
>
> ************ HERE is the error message I get.
> Makefile.n3xx.inc:53:
> /data/rkossler/uhd/UHD-4.0/uhd/fpga/usrp3/lib/rfnoc/blocks/rfnoc_block_switchboard/fpga/Makefile.srcs:
> No such file or directory
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