Comment on UDP transmitter implemented with PIO and DMA on the RP2040parentComments−mmastrac3yTechnically all of these protocols are bit-banging once you get low enough in the stack -- it's just that the PIO is particularly well tuned for arbitrary protocol implementation.FWIW, I believe there is a real bit-banged ethernet stack on Atmel.https://hackaday.com/2014/08/29/bit-banging-ethernet-on-an-a...
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Technically all of these protocols are bit-banging once you get low enough in the stack -- it's just that the PIO is particularly well tuned for arbitrary protocol implementation.
FWIW, I believe there is a real bit-banged ethernet stack on Atmel.
https://hackaday.com/2014/08/29/bit-banging-ethernet-on-an-a...