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Helpful functions

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Drashna Jaelre 2018-08-25 20:01:09 -07:00 • committed by skullydazed
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docs/feature_backlight.md
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@ -51,3 +51,22 @@ In this way `OCRxx` essentially controls the duty cycle of the LEDs, and thus th
The breathing effect is achieved by registering an interrupt handler for `TIMER1_OVF_vect` that is called whenever the counter resets, roughly 244 times per second.
In this handler, the value of an incrementing counter is mapped onto a precomputed brightness curve. To turn off breathing, the interrupt handler is simply disabled, and the brightness reset to the level stored in EEPROM.
## Backlight Functions
|Function |Description |
|----------|----------------------------------------------------------|
|`backlight_toggle()` |Turn the backlight on or off |
|`backlight_step()` |Cycle through backlight levels |
|`backlight_increase()` |Increase the backlight level |
|`backlight_decrease()` |Decrease the backlight level |
|`backlight_level(x)` |Sets the backlight level to specified level |
|`get_backlight_level()`|Toggle backlight breathing |
### Backlight Breathing Functions
|Function |Description |
|----------|----------------------------------------------------------|
|`breathing_toggle()` |Turn the backlight breathing on or off |
|`breathing_enable()` |Turns on backlight breathing |
|`breathing_disable()` |Turns off backlight breathing |