I was wondering if anyone had thoughts on this? I am now seeing it on a brand new block that I tried to create today. A uhd_usrp_probe looks fine, but when I run the python generated by GRC, I am seeing the same error: Traceback (most recent call last): File "/home/jmat/rfnoc-nocblocks/examples/LBT.py", line 302, in <module> main() File "/home/jmat/rfnoc-nocblocks/examples/LBT.py", line 290, in main tb = top_block_cls() File "/home/jmat/rfnoc-nocblocks/examples/LBT.py", line 238, in __init__ -1 File "/opt/gnuradio/v3.7.12.0_rfnoc/lib64/python2.7/site-packages/nocblocks/nocblocks_swig.py", line 1730, in make return _nocblocks_swig.LBT_make(*args, **kwargs) RuntimeError: Invalid stream args. >>> Done (return code 1) Is the "stream args" referenced the ones in the XML (I am thinking no), or maybe in the .cc files (I am guessing this)? I am not doing anything in C++, so my stuff is pretty bare; I am attempting 2 input streams and 2 output streams. --------- Original Message --------- Is there anything special to get the rfnoc debug block to work? I copied-and-pasted the section of rfnoc_debug.grc that seems to be relevant into my flowgraph. But when I try to run my flowgraph, I get: Traceback (most recent call last): File "/opt/gnuradio/v3.7.12.0_rfnoc/src/Channelizer/grc_Archive/TestSigSel.py", line 419, in <module> main() File "/opt/gnuradio/v3.7.12.0_rfnoc/src/Channelizer/grc_Archive/TestSigSel.py", line 407, in main tb = top_block_cls() File "/opt/gnuradio/v3.7.12.0_rfnoc/src/Channelizer/grc_Archive/TestSigSel.py", line 180, in __init__ "Debug", -1, -1, File "/opt/gnuradio/v3.7.12.0_rfnoc/lib64/python2.7/site-packages/ettus/ettus_swig.py", line 3207, in make return _ettus_swig.rfnoc_generic_make(*args, **kwargs) RuntimeError: Invalid stream args. >>> Done I am not sure what to make of that. Assuming the example works, its .py looks pretty similar in structure to mine where the debug block is concerned. I am trying to build a new bitfile now to try to run the rfnoc_debug.grc flowgraph, but it isn't done yet. I couldn't seem to find much in the way of documentation on it, so I figured I would check here. Thanks.
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