Scott Shawcroft f0859ac954
Switch SAMD21 ticks to PER event
The EVSYS is used to generate an interrupt from the event. This
simplifies timing used in pulseio that conflicted with the
auto-reload countdown.

Fixes #3890
2021-08-10 15:23:45 -07:00
..
2021-03-15 19:27:36 +05:30
2021-03-15 19:27:36 +05:30
2021-04-19 22:22:44 -07:00
2021-08-10 15:23:45 -07:00
2021-03-15 19:27:36 +05:30