Faster Pin I/O on Zero? Second Edition 2020

[Meins321]

Hello everyone,

i would like to share some tiny header file just for faster I/O on SAMD21 (Zero / M0) board

Source: What i have gathered reading an older thread here ThreadLinkThisForum

i hope that it helps someone

maybe if you find things just update it and repost here!

digitalDirectSAMD21.zip (508 KB)

ExampledigitalDirectSAMD21.ino (1.64 KB)

digitalDirectSAMD21.h (1.46 KB)

[MartinL]

Hi Meins321,

Thank you for your post and sharing your code. That's a nice wrapper that makes accessing faster IO easier.

I'll start using it in my future sketches.

Kind regards,
MartinL