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* Reset the Trinket before DFU.Brian Cully2019-08-061-0/+2
| | | | | Resetting will put it in normal state no matter its previous state, so DFU from there will always work.
* Simplify flashing.Brian Cully2019-08-061-3/+4
| | | | | Needs my `feather-cmd` stuff and Arduino sketch, but now I don't have to double tap the button to put the Trinket into DFU.
* Tweak RTC timer a bit.Brian Cully2019-08-061-2/+3
| | | | | | | | | | | This seems to get it closer to what the Arduino thinks is a millisecond. Measured by dumping timestamps on the Arduino with Linux timestamps. There is a fair amount of variance in the Arduino's serial output timing, but this is also close to what Linux thinks is ok. It's still slow by about ~5%, but I'm not sure how to correct it better, or if it's even worth bothering since everything is so imprecise anyway.
* i²c working.Brian Cully2019-08-063-11/+24
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* Initial commit.Brian Cully2019-08-0611-0/+903