added SAMD51 support - Githubissues

arduino-libraries / RTCZero

RTC Library for SAMD21 based boards

http://arduino.cc/en/Reference/RTC

GNU Lesser General Public License v2.1

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added SAMD51 support #66

Open drewfish opened 3 years ago

drewfish commented 3 years ago

This adds support for SAMD51 boards, both with and without crystal.

Tested with:

Adafruit Feather M0 (SAMD21 w/crystal)
Adafruit ItsyBitsy M4 (SAMD51 crystalless)
SparkFun SAMD51 Thing Plus (SAMD51 w/crystal)

Tests included running the processors in standby mode.

Addresses https://github.com/arduino-libraries/RTCZero/issues/57

drewfish commented 3 years ago

I realize that all those "same for SAMD21 and SAMD51" comments might be considered noisy. I'm happy to remove them, or make any other style changes.

dcelectr commented 3 years ago

@drewfish THANK YOU! I tested the files from this pull request on Feather M0, Feather M4, ItsyBitsy M4, and Arduino Zero with the SimpleRTC.ino, and I had NO issues. (For Arduino ZERO I had to change Serial. to SerialUSB. in the SimpleRTC.ino sketch to view Serial monitor over the native USB.)

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