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#ZMK

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ZMK Firmware

#ZMK celebrates it's five year anniversary/birthday today!

The very first (useless) commit:

```
commit 85c8be89dea8f7a00e8efb06d38e2b32f3459935
Author: Pete Johanson <REDACTED>
Date: Tue Apr 21 16:20:34 2020 -0400
Initial work
```

Thanks to everyone who has been a part of this wireless #keyboard journey: the users, contributors, designers, and vendors who all have helped make this happen!

To another five years!

Replied in thread
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Jacob Sam-La Rose

@TfTHacker I’ve been refining the keymap for my split keyboard recently, so this thinking is particularly resonant. Very cool to be able to establish your own key combos for shortcuts that otherwise feel awkward or unintuitive.

Among other things, I’ve been having a lot of fun with smart toggles (caps word, smart shift lock etc) and easier key combos for backspace (delete last word, delete whole line). 🤓 #ZMK

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Pete Johanson

Today was my first day at Analog Devices, in an Embedded OSS Architect role contributing to their @zephyr work! Super excited to get to focus on Zephyr itself after all these years as a downstream consumer working on #ZMK. My work on ZMK of course will still continue, just in my spare time like it used to.

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Pete Johanson

Ugh! Finally tracked down this rp2040 UART instability to the fact that the Zephyr 3.5 driver for this has completely disabled the FIFOs, so even though I was using it in interrupt mode, RX was dropping bytes constantly.

Tweaked the driver in the #zmk Zephyr fork and it's *way* more stable. Getting a real split test #keyboard soon for really kicking the tires. Newer @zephyr releases have a unified pl011 driver that doesn't have this issue.

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Pete Johanson

In today's episode of #embedded fun: stm32f4 flash sector layout is... *odd*. Trying to add #zmk support for an f401cb based keyboard someone else made, and I'm doing hoops to get tinyuf2 into the first 32K, settings in the next 2x16K sectors, and then the app loaded from the last large 64K sector. 🙏

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