diff options
Diffstat (limited to 'docs/feature_backlight.md')
| -rw-r--r-- | docs/feature_backlight.md | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/docs/feature_backlight.md b/docs/feature_backlight.md index b06db89e4d..64c663076b 100644 --- a/docs/feature_backlight.md +++ b/docs/feature_backlight.md @@ -65,7 +65,7 @@ To change the behaviour of the backlighting, `#define` these in your `config.h`: |---------------------|-------------|-------------------------------------------------------------------------------------------------------------| |`BACKLIGHT_PIN` |`B7` |The pin that controls the LEDs. Unless you are designing your own keyboard, you shouldn't need to change this| |`BACKLIGHT_PINS` |*Not defined*|experimental: see below for more information | -|`BACKLIGHT_LEVELS` |`3` |The number of brightness levels (maximum 15 excluding off) | +|`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 | @@ -73,8 +73,10 @@ To change the behaviour of the backlighting, `#define` these in your `config.h`: ## Backlight On State -Most backlight circuits are driven by an N-channel MOSFET or NPN transistor. This means that to turn the transistor *on* and light the LEDs, you must drive the backlight pin, connected to the gate or base, *low*. -Sometimes, however, a P-channel MOSFET, or a PNP transistor is used. In this case you must `#define BACKLIGHT_ON_STATE 1`, so that when the transistor is on, the pin is driven *high* instead. +Most backlight circuits are driven by an N-channel MOSFET or NPN transistor. This means that to turn the transistor *on* and light the LEDs, you must drive the backlight pin, connected to the gate or base, *high*. +Sometimes, however, a P-channel MOSFET, or a PNP transistor is used. In this case, when the transistor is on, the pin is driven *low* instead. + +This functionality is configured at the keyboard level with the `BACKLIGHT_ON_STATE` define. ## Multiple backlight pins |