qmk_firmware/keyboards/crkbd/readme.md
Drashna Jaelre 947e61eaeb [Keyboard] Change Corne RGB Matrix split handling (#7117)
* [Keyboard] Change Corne RGB Matrix split handling

This uses the "is_master" detection to set the led matrix, rather than a define at compile time.

This means that the same hex can be used for both halves, not just one or the other.  The caveat is that this costs ~240 bytes to do.
However, I feel that this is a good trade-off, not just lazy.

* Update documentation for RGB Matrix on the Corne
2019-10-28 16:29:00 -07:00

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# Corne Keyboard (CRKBD)
Also known (incorrectly) as the `HeliDox`.
![Crkbd](https://user-images.githubusercontent.com/736191/40575636-6fba63a4-6123-11e8-9ca0-3f990f1f9f4c.jpg)
![Crkbd](https://user-images.githubusercontent.com/736191/40887871-0eead5dc-678a-11e8-9518-e3ad9e5d2bac.png)
A split keyboard with 3x6 vertically staggered keys and 3 thumb keys.
Keyboard Maintainer: [foostan](https://github.com/foostan/) [@foostan](https://twitter.com/foostan)
Hardware Supported: Crkbd PCB, Pro Micro
Hardware Availability: [PCB & Case Data](https://github.com/foostan/crkbd)
Make example for this keyboard (after setting up your build environment):
```sh
make crkbd:default
```
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. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
## RGB Matrix
The Corne Keyboard also supports using the RGB Matrix feature, in place of RGB Light. This provids a better experience when using the keyboard, as it supports a number of per key effects properly. If you're not using the in switch LEDs, then you may want to pass on doing this.
In your keymap's `rules.mk` file, add the following:
```make
RGBLIGHT_ENABLE = no
RGB_MATRIX_ENABLE = WS2812
```
And in your `config.h` file, add the following:
```c
#ifdef RGB_MATRIX_ENABLE
# define RGB_MATRIX_KEYPRESSES // reacts to keypresses
// # define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (instead of keypresses)
// # define RGB_DISABLE_AFTER_TIMEOUT 0 // number of ticks to wait until disabling effects
# define RGB_DISABLE_WHEN_USB_SUSPENDED true // turn off effects when suspended
# define RGB_MATRIX_FRAMEBUFFER_EFFECTS
// # define RGB_MATRIX_LED_PROCESS_LIMIT (DRIVER_LED_TOTAL + 4) / 5 // limits the number of LEDs to process in an animation per task run (increases keyboard responsiveness)
// # define RGB_MATRIX_LED_FLUSH_LIMIT 16 // limits in milliseconds how frequently an animation will update the LEDs. 16 (16ms) is equivalent to limiting to 60fps (increases keyboard responsiveness)
# define RGB_MATRIX_MAXIMUM_BRIGHTNESS 150 // limits maximum brightness of LEDs to 150 out of 255. Higher may cause the controller to crash.
# define RGB_MATRIX_HUE_STEP 8
# define RGB_MATRIX_SAT_STEP 8
# define RGB_MATRIX_VAL_STEP 8
# define RGB_MATRIX_SPD_STEP 10
/* Disable the animations you don't want/need. You will need to disable a good number of these *
* because they take up a lot of space. Disable until you can successfully compile your firmware. */
// # define DISABLE_RGB_MATRIX_ALPHAS_MODS
// # define DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN
// # define DISABLE_RGB_MATRIX_BREATHING
// # define DISABLE_RGB_MATRIX_CYCLE_ALL
// # define DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
// # define DISABLE_RGB_MATRIX_CYCLE_UP_DOWN
// # define DISABLE_RGB_MATRIX_CYCLE_OUT_IN
// # define DISABLE_RGB_MATRIX_CYCLE_OUT_IN_DUAL
// # define DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
// # define DISABLE_RGB_MATRIX_DUAL_BEACON
// # define DISABLE_RGB_MATRIX_RAINBOW_BEACON
// # define DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS
// # define DISABLE_RGB_MATRIX_RAINDROPS
// # define DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
// # define DISABLE_RGB_MATRIX_TYPING_HEATMAP
// # define DISABLE_RGB_MATRIX_DIGITAL_RAIN
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_WIDE
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_CROSS
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTICROSS
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_NEXUS
// # define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS
// # define DISABLE_RGB_MATRIX_SPLASH
// # define DISABLE_RGB_MATRIX_MULTISPLASH
// # define DISABLE_RGB_MATRIX_SOLID_SPLASH
// # define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH
#endif
```
After this is done, you should be able to use the normal RGB keycodes, but you'll see the RGB Matrix effects in use, giving a much better experience.