Hi Marcus,
Thanks for the suggestion. While still using the Python block, I tried
changing the sources to CONST_WAVE and decreasing the sample rate to 500K,
and proceeded to do that all the way down to 1, and it still was producing
Us on the output.
Having said that, I turned to implementing the block in C++, and I have
gotten far enough to the point where I am having mismatched sizes, and I'm
not sure why. Specifically, the cosines are sampled at 1M and produce
complex outputs, and they go into the inputs of the c_plus_plus block, but
the error I keep getting is this:
"Source IO size "8" does not match sink IO size "4000000"."
While I know something is probably wrong with my inputs and outputs of the
C++ block, I don't understand why the cosine size is 8 and why my sink IO
size is 4000000. I tried changing the sampling rate too, to see if that
changed the size from 8 to something else, but it doesn't. In my block, the
relevant code from the cc file is:
babf_c_plus_plus_impl::babf_c_plus_plus_impl()
: gr::sync_block("babf_c_plus_plus",
gr::io_signature::make(2, 2, sizeof(gr_complex)),
gr::io_signature::make(2, 2, sizeof(gr_complex)))
{}
So, the inputs of the block and outputs of the block are just of size
gr_complex, which I believe is 64 bits (real and imag are 32 bits each), so
where is the 4000000 coming from? I guess I'm a bit confused about these
sizes and where the issue could be. Thank you again for all the help. Such
slow progress, sadly :/.
--
Pavan
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