Move BACKLIGHT_PWM_PERIOD to correct docs section (#22480)

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Joel Challis 2023-11-22 00:41:19 +00:00 committed by GitHub
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@ -40,7 +40,6 @@ Add the following to your `config.h`:
|`BACKLIGHT_DEFAULT_ON` |`true` |Enable backlight upon clearing the EEPROM | |`BACKLIGHT_DEFAULT_ON` |`true` |Enable backlight upon clearing the EEPROM |
|`BACKLIGHT_DEFAULT_BREATHING`|`false` |Whether to enable backlight breathing upon clearing the EEPROM | |`BACKLIGHT_DEFAULT_BREATHING`|`false` |Whether to enable backlight breathing upon clearing the EEPROM |
|`BACKLIGHT_DEFAULT_LEVEL` |`BACKLIGHT_LEVELS`|The default backlight level to use upon clearing the EEPROM | |`BACKLIGHT_DEFAULT_LEVEL` |`BACKLIGHT_LEVELS`|The default backlight level to use upon clearing the EEPROM |
|`BACKLIGHT_PWM_PERIOD` |2048Hz |Defaults to `BACKLIGHT_PWM_COUNTER_FREQUENCY / 2048`, which results in a PWM frequency of 2048Hz. |
Unless you are designing your own keyboard, you generally should not need to change the `BACKLIGHT_PIN` or `BACKLIGHT_ON_STATE`. Unless you are designing your own keyboard, you generally should not need to change the `BACKLIGHT_PIN` or `BACKLIGHT_ON_STATE`.
@ -174,11 +173,13 @@ Depending on the ChibiOS board configuration, you may need to enable PWM at the
The following `#define`s apply only to the `pwm` driver: The following `#define`s apply only to the `pwm` driver:
|Define |Default |Description | |Define |Default |Description |
|-----------------------|--------|-----------------------------------| |-----------------------|-------------|---------------------------------------------------------------|
|`BACKLIGHT_PWM_DRIVER` |`PWMD4` |The PWM driver to use | |`BACKLIGHT_PWM_DRIVER` |`PWMD4` |The PWM driver to use |
|`BACKLIGHT_PWM_CHANNEL`|`3` |The PWM channel to use | |`BACKLIGHT_PWM_CHANNEL`|`3` |The PWM channel to use |
|`BACKLIGHT_PAL_MODE` |`2` |The pin alternative function to use| |`BACKLIGHT_PAL_MODE` |`2` |The pin alternative function to use |
|`BACKLIGHT_PWM_PERIOD` |*Not defined*|The PWM period in counter ticks - Default is platform dependent|
Refer to the ST datasheet for your particular MCU to determine these values. For example, these defaults are set up for pin `B8` on a Proton-C (STM32F303) using `TIM4_CH3` on AF2. Unless you are designing your own keyboard, you generally should not need to change them. Refer to the ST datasheet for your particular MCU to determine these values. For example, these defaults are set up for pin `B8` on a Proton-C (STM32F303) using `TIM4_CH3` on AF2. Unless you are designing your own keyboard, you generally should not need to change them.