Samd21 dev#56

Merged

askuric merged 2 commits into

simplefoc:devfrom

runger1101001:samd21_dev

Mar 4, 2021

Commits on Feb 23, 2021

SAMD21 uses USBSerial, which subclasses Stream, but not HardwareSerial
runger1101001
committed
inital SAMD21 support, with example, tested 3-PWM and Hardware 6-PWM
runger1101001
committed