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Improve backlight PWM pin support (#6202)

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* Improve backlight PWM pin support

* I accidentally an equals sign

* Another typo

* Order by pin number

* Throw an error if backlight pin is C4 or C5 on 16/32U4

* Use else for clarity

* Minor alignment adjustments
This commit is contained in:
fauxpark 2019-08-09 06:12:12 +10:00 • committed by Drashna Jaelre
parent 57540af102
commit 4d72aa428f
6 changed files with 164 additions and 124 deletions
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4
docs/hardware_avr.md
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@ -125,7 +125,7 @@ To configure a keyboard where each switch is connected to a separate pin and gro
### Backlight Configuration
By default QMK supports backlighting on pins `B5`, `B6`, and `B7`. If you are using one of those you can simply enable it here. For more details see the [Backlight Documentation](feature_backlight.md).
QMK supports backlighting on most GPIO pins. A select few of these can be driven by the MCU in hardware. For more details see the [Backlight Documentation](feature_backlight.md).
```c
#define BACKLIGHT_PIN B7
@ -134,8 +134,6 @@ By default QMK supports backlighting on pins `B5`, `B6`, and `B7`. If you are us
#define BREATHING_PERIOD 6
```
?> You can use backlighting on any pin you like, but you will have to do more work to support that. See the [Backlight Documentation](feature_backlight.md) for more details.
### Other Configuration Options
There are a lot of features that can be configured or tuned in `config.h`. You should see the [Config Options](config_options.md) page for more details.