64 lines
2.4 KiB
Markdown
64 lines
2.4 KiB
Markdown
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# Charybdis (3x5) `via` keymap
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The Charydbis (3x5) `via` keymap is based on a QWERTY layout with [home row mods](https://precondition.github.io/home-row-mods) and [Miryoku-inspired layers](https://github.com/manna-harbour/miryoku), and some features and changes specific to the Charybdis.
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This layout supports RGB matrix. However, due to space constraints on the MCU, only a limited number of effect can be enabled at once. Look at the `config.h` file and enable your favorite effect.
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This layout also supports VIA.
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## Customizing the keymap
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### Dynamic DPI scaling
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Use the following keycodes to change the default DPI:
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- `POINTER_DEFAULT_DPI_FORWARD`: increases the DPI; decreases when shifted;
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- `POINTER_DEFAULT_DPI_REVERSE`: decreases the DPI; increases when shifted.
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There's a maximum of 16 possible values for the sniping mode DPI. See the [Charybdis documentation](../../README.md) for more information.
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Use the following keycodes to change the sniping mode DPI:
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- `POINTER_SNIPING_DPI_FORWARD`: increases the DPI; decreases when shifted;
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- `POINTER_SNIPING_DPI_REVERSE`: decreases the DPI; increases when shifted.
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There's a maximum of 4 possible values for the sniping mode DPI. See the [Charybdis documentation](../../README.md) for more information.
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### Drag-scroll
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Use the `DRAGSCROLL_MODE` keycode to enable drag-scroll on hold. Use the `DRAGSCROLL_TOGGLE` keycode to enable/disable drag-scroll on key press.
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### Sniping
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Use the `SNIPING_MODE` keycode to enable sniping mode on hold. Use the `SNIPING_TOGGLE` keycode to enable/disable sniping mode on key press.
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Change the value of `CHARYBDIS_AUTO_SNIPING_ON_LAYER` to automatically enable sniping mode on layer change. By default, sniping mode is enabled on the pointer layer:
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```c
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#define CHARYBDIS_AUTO_SNIPING_ON_LAYER LAYER_POINTER
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```
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### Auto pointer layer
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The pointer layer can be automatically enabled when moving the trackball. To enable or disable this behavior, add or remove the following define:
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```c
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#define CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_ENABLE
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```
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By default, the layer is turned off 1 second after the last registered trackball movement:
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```c
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#define CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_TIMEOUT_MS 1000
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```
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The trigger sensibility can also be tuned. The lower the value, the more sensible the trigger:
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```c
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#define CHARYBDIS_AUTO_POINTER_LAYER_TRIGGER_THRESHOLD 8
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```
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## Layout
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