Hi Vipin,
The question I have is this: A_Func calls B_Func and C_Func. I don’t
think I can instantiate the three custom blocks directly in one GRC
flow-graph. What will happen to the function call made in A_Func for
B_Func when A_Func custom block is kicked off for execution by the GRC
scheduler? Is there any way in GRC to define hierarchical custom blocks?
There are hierarchical blocks in GNU Radio, but only for python. If your
A_Func logic is relatively straight forward calling the other functions,
you can try create a python hier block (you can do this with gr_modtool
as well). But if the function calls don't relate to the data flow, it
makes no sense to create different blocks for each function in my
opinion. Remember that a GR block should fulfill one logical signal
processing step. If your functions separately don't do that, defining
multiple methods in your class of the block is better way to do it.
One way to solve this issue is the have Matlab Coder dump all code in
one C++ file and then simply create one giant custom block to
instantiate in GRC gui. Problem is that I won’t be able to debug in
GRC gui very well (granularity of probe points would be severally
limited).
Anyway, I think it depends on the structure and purpose of your
different functions. Are they each executing a signal processing step
themselves or is only the ensemble of the three functions one logical
signal processing. In the latter case I would implement the three
functions in one block.
Best
Luca
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