4 commits

Author	SHA1	Message	Date
Andrea Nall	e3be4f8025	Massive GPIO refactor ... Bring in line with atsamd-hal GPIO v2 Copied as much as possible. Docs lifted mostly as-is. Also add sample BSP for the Feather RP2040 in boards/feather_rp2040 May include a few random fixes from currently futile attempt to get doctests working.	2021-07-03 10:32:43 +10:00
Andrea Nall	2ef1343c05	add module to manage ownership of parts of SIO	2021-05-09 22:33:36 -05:00
Jennifer Wilcox	45580ec4c8	Add basic output support for GPIOs	2021-04-17 18:22:15 -05:00
evan	98baabec93	Added skeleton for HAL and updated readme	2021-01-25 15:42:43 -05:00