I found the 4FSK modem project kind of fascinating, especially since the
interleaving and scrambling was added. So, one thing led to another and I
copied it into a local project. It does things a little different, in that
I made the fsk a dynamic library.
I also used the newer codec2 golay code, just to make sure on avoiding the
restricted licensing.
Then a strange thing happened (probably too much kool-aide) I rewrote the
kiss-fft to use c99 complex math. Many times I wanted to use kiss-fft, but
I didn't want to use a real/imaginary structure and sin/cos. I just wanted
to use complex exponents. I know it's probably old age...
So, anyway, today after the BBQ, I came in to see if the last changes would
work, and presto I got the same packets as David did on his original
version.
mFSK project <https://github.com/srsampson/mFSK>
Now all I need is a drone and a camera...
Thanks David and Brady for an interesting FSK project.
73/Steve
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