Do you have any recommendations on how to learn about PIO? I’ve mostly been in the arduino world and got pretty comfortable with AVR features, now I’m writing micropython to control neopixels for a board called the Plasma2040 and instead of bitbanging the signal from a digital pin, it’s apparently generating the signal via PIO, but it’s all black magic to me.
It is, at once, both over my head and very encouraging that someone who hasn’t used PIO before was able to achieve this, thanks for the link, I think if I compare this code to what the Plasma library is doing I might be able to tease out what’s happening.
I find the Pico SDK examples useful to learn, but it requires that you already have a good understanding of the instructions and the protocol that it implements. Here's the I2C PIO program, for example: https://github.com/raspberrypi/pico-examples/blob/master/pio....
