Is anyone aware of any article that provides a summary view of the Raspberry Pi Pico rp2040/rp2350 PIO APIs?

There are lots of getting started and tutorials and so on; and the datasheet and hardware API reference lists them all.

But, for example, I've not found anything that states there are sm_config_ , pio_sm_set_ , and the pio_encode_ groups. Or that there are _set_, _in_, _out_, _sidestep_ variants.

I've got it, but before I blog it, I'd like to know if I've just missed it somehow.