179 lines
5.8 KiB
Markdown
179 lines
5.8 KiB
Markdown
# Charybdis (6x4, 5x3 "Nano")
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An ergonomic keyboard with integrated trackball.
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Engineered to be a full mouse replacement solution with high-quality, custom-developed components.
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There are 6x4 and 5x3 "Nano" versions.
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- Keyboard Maintainer: [Bastard Keyboards](https://github.com/Bastardkb)
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- Hardware Supported: elite-C V4
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- Hardware Availability: [Bastard Keyboards](https://bastardkb.com)
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information.
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Brand new to QMK? Start with the [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
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Check out the [keyboard build guides](https://docs.bastardkb.com) for the Charybdis and other ergonomic keyboards.
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## Building the firmware
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### Charybdis (4x6)
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The `default` keymap is inspired from the original [Dactyl Manuform](../../handwired/dactyl_manuform) layout.
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```shell
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qmk compile -kb bastardkb/charybdis/4x6 -km default
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```
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Check out the `via` layout if you're looking for VIA support:
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```shell
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qmk compile -kb bastardkb/charybdis/4x6 -km via
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```
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### Charybdis (3x5)
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The `default` keymap is inspired from the original [Dactyl Manuform](../../handwired/dactyl_manuform) layout.
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```shell
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qmk compile -kb bastardkb/charybdis/3x5 -km default
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```
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Check out the `via` layout if you're looking for VIA support:
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```shell
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qmk compile -kb bastardkb/charybdis/3x5 -km via
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```
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## Customizing the firmware
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### Dynamic DPI scaling
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The pointer's DPI can be changed at runtime.
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By default, the DPI is set to `400`. The Charybdis supports up to 16 different DPI values. By default, it cycles between `400` and `3400`, with a step of `200` (_ie._ `400`, `600`, `800`, …, `3400`).
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Calling `charybdis_cycle_pointer_default_dpi(bool forward)` will cycle forward or backward the possible values.
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Use `charybdis_cycle_pointer_default_dpi_noeeprom(bool forward)` to change the DPI value without persisting the change to EEPROM (_ie._ resetting the board will revert to the last saved value).
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`charybdis_get_pointer_default_dpi()` returns the current DPI value.
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This behavior can be further customized with the following defines:
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```c
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#define CHARYBDIS_MINIMUM_DEFAULT_DPI 400
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#define CHARYBDIS_DEFAULT_DPI_CONFIG_STEP 200
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```
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### Drag-scroll
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Drag-scroll enables scrolling with the trackball. When drag-scroll is enabled, the trackball's `x` and `y` movements are converted into `h` (horizontal) and `v` (vertical) movement, effectively sending scroll instructions to the host system.
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Call `charybdis_set_pointer_dragscroll_enabled(bool enable)` to enable/disable drag-scroll.
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`charybdis_get_pointer_dragscroll_enabled()` returns whether sniping mode is currently enabled.
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To invert the horizontal scrolling direction, define `CHARYBDIS_DRAGSCROLL_REVERSE_X`:
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```c
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#define CHARYBDIS_DRAGSCROLL_REVERSE_X
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```
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To invert the vertical scrolling direction (_ie._ mimic macOS "natural" scroll direction), define `CHARYBDIS_DRAGSCROLL_REVERSE_Y`:
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```c
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#define CHARYBDIS_DRAGSCROLL_REVERSE_Y
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```
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This only affects the vertical scroll direction.
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### Sniping mode
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Sniping mode slows down the pointer for more precise gestures. It is useful when combined with a higher default DPI.
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Call `charybdis_set_pointer_sniping_enabled(bool enable)` to enable/disable sniping mode.
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`charybdis_get_pointer_sniping_enabled()` returns whether sniping mode is currently enabled.
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Like the default pointer's DPI, the sniper mode DPI can be changed at runtime.
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By default, sniping mode lowers the DPI to `200`. This can be changed at runtime: the Charybdis supports up to 4 different DPI values for sniping mode. By default, it cycles between `200`, `300`, `400` and `500`.
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Calling `charybdis_cycle_pointer_sniping_dpi(bool forward)` will cycle forward or backward the possible values.
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Use `charybdis_cycle_pointer_sniping_dpi_noeeprom(bool forward)` to change the sniping mode DPI value without persisting the change to EEPROM (_ie._ resetting the board will revert to the last saved value).
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`charybdis_get_pointer_sniping_dpi()` returns the current sniping mode DPI value.
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This behavior can be further customized with the following defines:
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```c
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#define CHARYBDIS_MINIMUM_SNIPING_DPI 200
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#define CHARYBDIS_SNIPING_DPI_CONFIG_STEP 100
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```
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### Acceleration
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By default, the pointer's movements are linear. To enable acceleration, add the following define:
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```c
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#define CHARYBDIS_POINTER_ACCELERATION_ENABLE
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```
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The acceleration factor can be further tune _via_ the `CHARYBDIS_POINTER_ACCELERATION_FACTOR`:
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```c
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#define CHARYBDIS_POINTER_ACCELERATION_FACTOR 24
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```
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### Custom keycodes
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The Charybdis firmware defines a number of keycodes to leverage its features, namely:
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```
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#ifndef NO_CHARYBDIS_KEYCODES
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enum charybdis_keycodes {
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POINTER_DEFAULT_DPI_FORWARD = SAFE_RANGE,
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POINTER_DEFAULT_DPI_REVERSE,
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POINTER_SNIPING_DPI_FORWARD,
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POINTER_SNIPING_DPI_REVERSE,
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SNIPING_MODE,
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SNIPING_MODE_TOGGLE,
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DRAGSCROLL_MODE,
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DRAGSCROLL_MODE_TOGGLE,
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CHARYBDIS_SAFE_RANGE,
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};
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#define DPI_MOD POINTER_DEFAULT_DPI_FORWARD
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#define DPI_RMOD POINTER_DEFAULT_DPI_REVERSE
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#define S_D_MOD POINTER_SNIPING_DPI_FORWARD
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#define S_D_RMOD POINTER_SNIPING_DPI_REVERSE
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#define SNIPING SNIPING_MODE
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#define SNP_TOG SNIPING_MODE_TOGGLE
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#define DRGSCRL DRAGSCROLL_MODE
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#define DRG_TOG DRAGSCROLL_MODE_TOGGLE
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#endif // !NO_CHARYBDIS_KEYCODES
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```
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Users extending the keycode set themselves (either in their keymap, or in their userspace) must start at `CHARYBDIS_SAFE_RANGE` to avoid conflicts, _eg._:
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```c
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enum userspace_keycodes {
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#ifndef NO_CHARYBDIS_KEYCODES
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MY_FIRST_KEYCODE = CHARYBDIS_SAFE_RANGE,
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#else
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MY_FIRST_KEYCODE = SAFE_RANGE,
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#endif // !NO_CHARYBDIS_KEYCODES
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MY_SECOND_KEYCODE,
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…
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};
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```
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To disable the custom keycodes, and reduce binary size, simply add a definition in `config.h`:
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```c
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#define NO_CHARYBDIS_KEYCODES
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```
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