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Merge pull request #1 from zmkfirmware/main

Updating Main
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Kurtis Lew 4 years ago committed by GitHub
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      docs/docs/assets/pro-micro/pro-micro-pins-labelled.jpg
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      docs/docs/dev-boards-shields-keymaps.md
  3. 4
      docs/docs/dev-guide-new-shield.md

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docs/docs/dev-boards-shields-keymaps.md

@ -35,6 +35,8 @@ in the `app/boards/${arch}/${board_name}` directory, e.g. `app/boards/arm/planck @@ -35,6 +35,8 @@ in the `app/boards/${arch}/${board_name}` directory, e.g. `app/boards/arm/planck
## Pro Micro Compatible Keyboard
![Labelled Pro Micro pins](assets/pro-micro/pro-micro-pins-labelled.jpg)
For keyboards that require a (usually Pro Micro compatible) add-on board to operate, the ZMK integration pieces are places
in the _shield_ definition for that keyboard, allowing users to
swap in different Pro Micro compatible boards (e.g. Proton-C, or nice!nano) and build a firmware the matches their actual

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docs/docs/dev-guide-new-shield.md

@ -64,6 +64,10 @@ endif @@ -64,6 +64,10 @@ endif
## Shield Overlay
![Labelled Pro Micro pins](assets/pro-micro/pro-micro-pins-labelled.jpg)
ZMK uses the green color coded pin names to generate devicetree node references. For example, to refer to the node `D0` in the devicetree files, use `&pro_micro_d 0` or to refer to `A1`, use `&pro_micro_a 1`.
The `<shield_name>.overlay` is the devicetree description of the keyboard shield that is merged with the primary board devicetree description before the build. For ZMK, this file at a minimum should include the [chosen]() node named `zmk,kscan` that references a KSCAN driver instance. For a simple 3x3 macropad matrix,
this might look something like:

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