Custom Arduino Boards Tutorial

[wallarug]

Notes:

variants.h --> holds all the array references for the pins array in variants.cpp

variants.cpp --> defines pin mapping and port functions.

More to come.

[wallarug]

How to get hash of zip file:
https://help.ubuntu.com/community/HowToSHA256SUM

sha256sum RoboHat-0.0.3.zip

Then remember to update the package_robohat_index.json file with new hash and file size.

[wallarug]

Existing Tutorial References:
https://hackaday.io/project/8007-hack/log/41354-docs-how-the-variant-system-works-on-arduino-zero-boards

https://forum.arduino.cc/index.php?topic=483046.0