Jim.
would you be interested to test some "monster"-code ? Have no hardware here, so I can't do that myself.
Replaced a ton of NOPs against another ton of code, exactly I do bit-banging via UART-SPI and double buffer DMA. So my code works in the background and batters the pulses out via UART.
Not sure if efficient, as also the DMA uses the internal memory bus and there's an hefty load on it.
I'd be interested, if it works in the physical world. :D
Have no use for it in the moment, did it more for the educational purpose.
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