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authorJames Young <18669334+noroadsleft@users.noreply.github.com>2020-11-28 12:02:18 -0800
committerGitHub <noreply@github.com>2020-11-28 12:02:18 -0800
commitc66df1664497546f32662409778731143e45a552 (patch)
treeda73a2d532a27685a31d932b3a44a707d4a3af81 /docs/feature_backlight.md
parent15385d4113414d42bd062c60c9de5df797d3157f (diff)
2020 November 28 Breaking Changes Update (#11053)
* Branch point for 2020 November 28 Breaking Change * Remove matrix_col_t to allow MATRIX_ROWS > 32 (#10183) * Add support for soft serial to ATmega32U2 (#10204) * Change MIDI velocity implementation to allow direct control of velocity value (#9940) * Add ability to build a subset of all keyboards based on platform. * Actually use eeprom_driver_init(). * Make bootloader_jump weak for ChibiOS. (#10417) * Joystick 16-bit support (#10439) * Per-encoder resolutions (#10259) * Share button state from mousekey to pointing_device (#10179) * Add hotfix for chibios keyboards not wake (#10088) * Add advanced/efficient RGB Matrix Indicators (#8564) * Naming change. * Support for STM32 GPIOF,G,H,I,J,K (#10206) * Add milc as a dependency and remove the installed milc (#10563) * ChibiOS upgrade: early init conversions (#10214) * ChibiOS upgrade: configuration file migrator (#9952) * Haptic and solenoid cleanup (#9700) * XD75 cleanup (#10524) * OLED display update interval support (#10388) * Add definition based on currently-selected serial driver. (#10716) * New feature: Retro Tapping per key (#10622) * Allow for modification of output RGB values when using rgblight/rgb_matrix. (#10638) * Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530) * Rescale both ChibiOS and AVR backlighting. * Reduce Helix keyboard build variation (#8669) * Minor change to behavior allowing display updates to continue between task ticks (#10750) * Some GPIO manipulations in matrix.c change to atomic. (#10491) * qmk cformat (#10767) * [Keyboard] Update the Speedo firmware for v3.0 (#10657) * Maartenwut/Maarten namechange to evyd13/Evy (#10274) * [quantum] combine repeated lines of code (#10837) * Add step sequencer feature (#9703) * aeboards/ext65 refactor (#10820) * Refactor xelus/dawn60 for Rev2 later (#10584) * add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk (#10824) * [Core] Added `add_oneshot_mods` & `del_oneshot_mods` (#10549) * update chibios os usb for the otg driver (#8893) * Remove HD44780 References, Part 4 (#10735) * [Keyboard] Add Valor FRL TKL (+refactor) (#10512) * Fix cursor position bug in oled_write_raw functions (#10800) * Fixup version.h writing when using SKIP_VERSION=yes (#10972) * Allow for certain code in the codebase assuming length of string. (#10974) * Add AT90USB support for serial.c (#10706) * Auto shift: support repeats and early registration (#9826) * Rename ledmatrix.h to match .c file (#7949) * Split RGB_MATRIX_ENABLE into _ENABLE and _DRIVER (#10231) * Split LED_MATRIX_ENABLE into _ENABLE and _DRIVER (#10840) * Merge point for 2020 Nov 28 Breaking Change
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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`.