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noroadsleft 2020-11-28 20:04:16 +00:00
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feature_backlight.md
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@ -62,14 +62,15 @@ Valid driver values are `pwm`, `software`, `custom` or `no`. See below for help
To configure the backlighting, `#define` these in your `config.h`:
|Define |Default |Description |
|---------------------|-------------|-------------------------------------------------------------------------------------|
|`BACKLIGHT_PIN` |*Not defined*|The pin that controls the LED(s) |
|`BACKLIGHT_LEVELS` |`3` |The number of brightness levels (maximum 31 excluding off) |
|`BACKLIGHT_CAPS_LOCK`|*Not defined*|Enable Caps Lock indicator using backlight (for keyboards without dedicated LED) |
|`BACKLIGHT_BREATHING`|*Not defined*|Enable backlight breathing, if supported |
|`BREATHING_PERIOD` |`6` |The length of one backlight "breath" in seconds |
|`BACKLIGHT_ON_STATE` |`1` |The state of the backlight pin when the backlight is "on" - `1` for high, `0` for low|
| Define | Default | Description |
|------------------------|---------------|-------------------------------------------------------------------------------------------------------------------|
| `BACKLIGHT_PIN` | *Not defined* | The pin that controls the LED(s) |
| `BACKLIGHT_LEVELS` | `3` | The number of brightness levels (maximum 31 excluding off) |
| `BACKLIGHT_CAPS_LOCK` | *Not defined* | Enable Caps Lock indicator using backlight (for keyboards without dedicated LED) |
| `BACKLIGHT_BREATHING` | *Not defined* | Enable backlight breathing, if supported |
| `BREATHING_PERIOD` | `6` | The length of one backlight "breath" in seconds |
| `BACKLIGHT_ON_STATE` | `1` | The state of the backlight pin when the backlight is "on" - `1` for high, `0` for low |
| `BACKLIGHT_LIMIT_VAL ` | `255` | The maximum duty cycle of the backlight -- `255` allows for full brightness, any lower will decrease the maximum. |
Unless you are designing your own keyboard, you generally should not need to change the `BACKLIGHT_PIN` or `BACKLIGHT_ON_STATE`.