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53 lines
1.7 KiB
Markdown
53 lines
1.7 KiB
Markdown
# RGB
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Custom RGB code can be disabled by setting `CUSTOM_RGBLIGHT = no` or `CUSTOM_RGB_MATRIX = no` in your `rules.mk`
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## RGB Light
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### Layer Indication Code
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At least for RGB Light, the `layer_state_set` function is used to detect the current highest layer, and change the underglow based on that layer.
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This works for both the regular layers, and for the default layers, too.
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I use the sethsv variants of the commands, so that different modes can be used, as well.
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RGB Matrix uses a custom, per board implementation, at the moment.
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### RGB Light Startup Animation
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On startup, if enabled, the board will cycle through the entire hue wheel, starting and ending on the default layer color.
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```c
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void keyboard_post_init_rgb(void) {
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#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_STARTUP_ANIMATION)
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if (userspace_config.rgb_layer_change) { rgblight_enable_noeeprom(); }
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if (rgblight_config.enable) {
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layer_state_set_user(layer_state);
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uint16_t old_hue = rgblight_config.hue;
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rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_LIGHT);
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for (uint16_t i = 255; i > 0; i--) {
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rgblight_sethsv_noeeprom( ( i + old_hue) % 255, 255, 255);
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matrix_scan();
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wait_ms(10);
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}
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}
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#endif
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layer_state_set_user(layer_state);
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}
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```
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This could probably benefit from some cleanup and better handling.
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## RGB Matrix
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### Idle Animation
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This feature can be toggled with the `RGB_IDL` keycode.
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This sets the mode to the Heatmap Animation when typing, but will switch to the cycle in animations when idle.
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### Layer Indication
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This sets the modifier keys to indicate the current layer state, with the option to override the behavior.
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