I have a custom block in GRC, say CustBlock. The whole process of building
an out-of-tree module works fine and I can instantiate the custom block in
GRC GUI.
The custom block has few arguments which I am hoping to control directly
from GUI. I have added the needed call back functions and relevant
declarations/definitions needed in the implementation .c/.h files.
When I click on Generate Flowgraph, I see the top_block.py file which has
an error referring to the very first argument of the custom block.
For example, here is a line from top_block.py:
self.a1System_CustBlock_cf_0 = Template error:
a1System.CustBlock_cf($samps_per_sweep, $num_sweeps)
cannot find 'samps_per_sweep'
I have no idea why it keeps complaining about the 'samps_per_sweep'
argument. The corresponding XML files defines the <param> definitioin for
the samps_per_sweep parameter with the <key> tag set to 'samps_per_sweep'.
Is there something special about block's very first argument?
I have also tried defining a variable block in GRC GUI with variable name
'samps_per_sweep' but it still keeps dumping the same error in the
generated flowgraph file.
Any help is appreciated.
Thanks,
Vipin
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