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RGB Matrix Lighting :id=rgb-matrix-lighting

This feature allows you to use RGB LED matrices driven by external drivers. It hooks into the RGBLIGHT system so you can use the same keycodes as RGBLIGHT to control it.

If you want to use single color LED's you should use the LED Matrix Subsystem instead.

Driver configuration :id=driver-configuration

IS31FL3731 :id=is31fl3731

There is basic support for addressable RGB matrix lighting with the I2C IS31FL3731 RGB controller. To enable it, add this to your rules.mk:

RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = IS31FL3731

You can use between 1 and 4 IS31FL3731 IC's. Do not specify DRIVER_ADDR_<N> defines for IC's that are not present on your keyboard. You can define the following items in config.h:

Variable	Description	Default
`ISSI_TIMEOUT`	(Optional) How long to wait for i2c messages, in milliseconds	100
`ISSI_PERSISTENCE`	(Optional) Retry failed messages this many times	0
`DRIVER_COUNT`	(Required) How many RGB driver IC's are present
`DRIVER_LED_TOTAL`	(Required) How many RGB lights are present across all drivers
`DRIVER_ADDR_1`	(Required) Address for the first RGB driver
`DRIVER_ADDR_2`	(Optional) Address for the second RGB driver
`DRIVER_ADDR_3`	(Optional) Address for the third RGB driver
`DRIVER_ADDR_4`	(Optional) Address for the fourth RGB driver

Here is an example using 2 drivers.

// This is a 7-bit address, that gets left-shifted and bit 0
// set to 0 for write, 1 for read (as per I2C protocol)
// The address will vary depending on your wiring:
// 0b1110100 AD <-> GND
// 0b1110111 AD <-> VCC
// 0b1110101 AD <-> SCL
// 0b1110110 AD <-> SDA
#define DRIVER_ADDR_1 0b1110100
#define DRIVER_ADDR_2 0b1110110

#define DRIVER_COUNT 2
#define DRIVER_1_LED_TOTAL 25
#define DRIVER_2_LED_TOTAL 24
#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)

!> Note the parentheses, this is so when DRIVER_LED_TOTAL is used in code and expanded, the values are added together before any additional math is applied to them. As an example, rand() % (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL) will give very different results than rand() % DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL.

Define these arrays listing all the LEDs in your <keyboard>.c:

const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
/* Refer to IS31 manual for these locations
 *   driver
 *   |  R location
 *   |  |      G location
 *   |  |      |      B location
 *   |  |      |      | */
    {0, C1_3,  C2_3,  C3_3},
    ....
}

Where Cx_y is the location of the LED in the matrix defined by the datasheet and the header file drivers/issi/is31fl3731.h. The driver is the index of the driver you defined in your config.h (0, 1, 2, or 3).

IS31FL3733 :id=is31fl3733

There is basic support for addressable RGB matrix lighting with the I2C IS31FL3733 RGB controller. To enable it, add this to your rules.mk:

RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = IS31FL3733

You can use between 1 and 4 IS31FL3733 IC's. Do not specify DRIVER_ADDR_<N> defines for IC's that are not present on your keyboard. You can define the following items in config.h:

Variable	Description	Default
`ISSI_TIMEOUT`	(Optional) How long to wait for i2c messages, in milliseconds	100
`ISSI_PERSISTENCE`	(Optional) Retry failed messages this many times	0
`DRIVER_COUNT`	(Required) How many RGB driver IC's are present
`DRIVER_LED_TOTAL`	(Required) How many RGB lights are present across all drivers
`DRIVER_ADDR_1`	(Required) Address for the first RGB driver
`DRIVER_ADDR_2`	(Optional) Address for the second RGB driver
`DRIVER_ADDR_3`	(Optional) Address for the third RGB driver
`DRIVER_ADDR_4`	(Optional) Address for the fourth RGB driver
`DRIVER_SYNC_1`	(Optional) Sync configuration for the first RGB driver	0
`DRIVER_SYNC_2`	(Optional) Sync configuration for the second RGB driver	0
`DRIVER_SYNC_3`	(Optional) Sync configuration for the third RGB driver	0
`DRIVER_SYNC_4`	(Optional) Sync configuration for the fourth RGB driver	0

Here is an example using 2 drivers.

// This is a 7-bit address, that gets left-shifted and bit 0
// set to 0 for write, 1 for read (as per I2C protocol)
// The address will vary depending on your wiring:
// 00 <-> GND
// 01 <-> SCL
// 10 <-> SDA
// 11 <-> VCC
// ADDR1 represents A1:A0 of the 7-bit address.
// ADDR2 represents A3:A2 of the 7-bit address.
// The result is: 0b101(ADDR2)(ADDR1)
#define DRIVER_ADDR_1 0b1010000
#define DRIVER_ADDR_2 0b1010011

#define DRIVER_COUNT 2
#define DRIVER_1_LED_TOTAL 58
#define DRIVER_2_LED_TOTAL 10
#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)

Currently only 4 drivers are supported, but it would be trivial to support all 8 combinations.

Define these arrays listing all the LEDs in your <keyboard>.c:

const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
/* Refer to IS31 manual for these locations
 *   driver
 *   |  R location
 *   |  |       G location
 *   |  |       |       B location
 *   |  |       |       | */
    {0, B_1,    A_1,    C_1},
    ....
}

Where X_Y is the location of the LED in the matrix defined by the datasheet and the header file drivers/issi/is31fl3733.h. The driver is the index of the driver you defined in your config.h (0, 1, 2, or 3 for now).

IS31FL3737 :id=is31fl3737

There is basic support for addressable RGB matrix lighting with the I2C IS31FL3737 RGB controller. To enable it, add this to your rules.mk:

RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = IS31FL3737

Configure the hardware via your config.h:

// This is a 7-bit address, that gets left-shifted and bit 0
// set to 0 for write, 1 for read (as per I2C protocol)
// The address will vary depending on your wiring:
// 0000 <-> GND
// 0101 <-> SCL
// 1010 <-> SDA
// 1111 <-> VCC
// ADDR represents A3:A0 of the 7-bit address.
// The result is: 0b101(ADDR)
#define DRIVER_ADDR_1 0b1010000
#define DRIVER_ADDR_2 0b1010000 // this is here for compliancy reasons.

#define DRIVER_COUNT 2
#define DRIVER_1_LED_TOTAL 64
#define DRIVER_LED_TOTAL DRIVER_1_LED_TOTAL

Currently only a single drivers is supported, but it would be trivial to support all 4 combinations. For now define DRIVER_ADDR_2 as DRIVER_ADDR_1

Define these arrays listing all the LEDs in your <keyboard>.c:

const is31_led g_is31_leds[DRIVER_LED_TOTAL] = {
/* Refer to IS31 manual for these locations
 *   driver
 *   |  R location
 *   |  |       G location
 *   |  |       |       B location
 *   |  |       |       | */
    {0, B_1,    A_1,    C_1},
    ....
}

Where X_Y is the location of the LED in the matrix defined by the datasheet and the header file drivers/issi/is31fl3737.h. The driver is the index of the driver you defined in your config.h (Only 0 right now).

WS2812 :id=ws2812

There is basic support for addressable RGB matrix lighting with a WS2811/WS2812{a,b,c} addressable LED strand. To enable it, add this to your rules.mk:

RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = WS2812

Configure the hardware via your config.h:

// The pin connected to the data pin of the LEDs
#define RGB_DI_PIN D7
// The number of LEDs connected
#define DRIVER_LED_TOTAL 70

APA102 :id=apa102

There is basic support for APA102 based addressable LED strands. To enable it, add this to your rules.mk:

RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = APA102

Configure the hardware via your config.h:

// The pin connected to the data pin of the LEDs
#define RGB_DI_PIN D7
// The pin connected to the clock pin of the LEDs
#define RGB_CI_PIN D6
// The number of LEDs connected
#define DRIVER_LED_TOTAL 70

AW20216 :id=aw20216

There is basic support for addressable RGB matrix lighting with the SPI AW20216 RGB controller. To enable it, add this to your rules.mk:

RGB_MATRIX_ENABLE = yes
RGB_MATRIX_DRIVER = AW20216

You can use up to 2 AW20216 IC's. Do not specify DRIVER_<N>_xxx defines for IC's that are not present on your keyboard. You can define the following items in config.h:

Variable	Description	Default
`DRIVER_1_CS`	(Required) MCU pin connected to first RGB driver chip select line	B13
`DRIVER_2_CS`	(Optional) MCU pin connected to second RGB driver chip select line
`DRIVER_1_EN`	(Required) MCU pin connected to first RGB driver hardware enable line	C13
`DRIVER_2_EN`	(Optional) MCU pin connected to second RGB driver hardware enable line
`DRIVER_1_LED_TOTAL`	(Required) How many RGB lights are connected to first RGB driver
`DRIVER_2_LED_TOTAL`	(Optional) How many RGB lights are connected to second RGB driver
`DRIVER_COUNT`	(Required) How many RGB driver IC's are present
`DRIVER_LED_TOTAL`	(Required) How many RGB lights are present across all drivers
`AW_SCALING_MAX`	(Optional) LED current scaling value (0-255, higher values mean LED is brighter at full PWM)	150
`AW_GLOBAL_CURRENT_MAX`	(Optional) Driver global current limit (0-255, higher values means the driver may consume more power)	150

Here is an example using 2 drivers.

#define DRIVER_1_CS B13
#define DRIVER_2_CS B14
// Hardware enable lines may be connected to the same pin
#define DRIVER_1_EN C13
#define DRIVER_2_EN C13

#define DRIVER_COUNT 2
#define DRIVER_1_LED_TOTAL 66
#define DRIVER_2_LED_TOTAL 32
#define DRIVER_LED_TOTAL (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL)

Define these arrays listing all the LEDs in your <keyboard>.c:

const aw_led g_aw_leds[DRIVER_LED_TOTAL] = {
/* Each AW20216 channel is controlled by a register at some offset between 0x00
 * and 0xD7 inclusive.
 * See drivers/awinic/aw20216.h for the mapping between register offsets and
 * driver pin locations.
 *    driver
 *    |  R location
 *    |  |        G location
 *    |  |        |        B location
 *    |  |        |        | */
    { 0, CS1_SW1, CS2_SW1, CS3_SW1 },
    { 0, CS4_SW1, CS5_SW1, CS6_SW1 },
    { 0, CS7_SW1, CS8_SW1, CS9_SW1 },
    { 0, CS10_SW1, CS11_SW1, CS12_SW1 },
    { 0, CS13_SW1, CS14_SW1, CS15_SW1 },
    ...
    { 1, CS1_SW1, CS2_SW1, CS3_SW1 },
    { 1, CS13_SW1, CS14_SW1, CS15_SW1 },
    { 1, CS16_SW1, CS17_SW1, CS18_SW1 },
    { 1, CS4_SW2, CS5_SW2, CS6_SW2 },
    ...
};

Common Configuration :id=common-configuration

From this point forward the configuration is the same for all the drivers. The led_config_t struct provides a key electrical matrix to led index lookup table, what the physical position of each LED is on the board, and what type of key or usage the LED if the LED represents. Here is a brief example:

led_config_t g_led_config = { {
  // Key Matrix to LED Index
  {   5, NO_LED, NO_LED,   0 },
  { NO_LED, NO_LED, NO_LED, NO_LED },
  {   4, NO_LED, NO_LED,   1 },
  {   3, NO_LED, NO_LED,   2 }
}, {
  // LED Index to Physical Position
  { 188,  16 }, { 187,  48 }, { 149,  64 }, { 112,  64 }, {  37,  48 }, {  38,  16 }
}, {
  // LED Index to Flag
  1, 4, 4, 4, 4, 1
} };

The first part, // Key Matrix to LED Index, tells the system what key this LED represents by using the key's electrical matrix row & col. The second part, // LED Index to Physical Position represents the LED's physical { x, y } position on the keyboard. The default expected range of values for { x, y } is the inclusive range { 0..224, 0..64 }. This default expected range is due to effects that calculate the center of the keyboard for their animations. The easiest way to calculate these positions is imagine your keyboard is a grid, and the top left of the keyboard represents { x, y } coordinate { 0, 0 } and the bottom right of your keyboard represents { 224, 64 }. Using this as a basis, you can use the following formula to calculate the physical position:

x = 224 / (NUMBER_OF_COLS - 1) * COL_POSITION
y =  64 / (NUMBER_OF_ROWS - 1) * ROW_POSITION

Where NUMBER_OF_COLS, NUMBER_OF_ROWS, COL_POSITION, & ROW_POSITION are all based on the physical layout of your keyboard, not the electrical layout.

As mentioned earlier, the center of the keyboard by default is expected to be { 112, 32 }, but this can be changed if you want to more accurately calculate the LED's physical { x, y } positions. Keyboard designers can implement #define RGB_MATRIX_CENTER { 112, 32 } in their config.h file with the new center point of the keyboard, or where they want it to be allowing more possibilities for the { x, y } values. Do note that the maximum value for x or y is 255, and the recommended maximum is 224 as this gives animations runoff room before they reset.

// LED Index to Flag is a bitmask, whether or not a certain LEDs is of a certain type. It is recommended that LEDs are set to only 1 type.

Flags :id=flags

Define	Value	Description
`HAS_FLAGS(bits, flags)`	n/a	Evaluates to `true` if `bits` has all `flags` set
`HAS_ANY_FLAGS(bits, flags)`	n/a	Evaluates to `true` if `bits` has any `flags` set
`LED_FLAG_NONE`	`0x00`	If this LED has no flags
`LED_FLAG_ALL`	`0xFF`	If this LED has all flags
`LED_FLAG_MODIFIER`	`0x01`	If the LED is on a modifier key
`LED_FLAG_UNDERGLOW`	`0x02`	If the LED is for underglow
`LED_FLAG_KEYLIGHT`	`0x04`	If the LED is for key backlight
`LED_FLAG_INDICATOR`	`0x08`	If the LED is for keyboard state indication

Keycodes :id=keycodes

All RGB keycodes are currently shared with the RGBLIGHT system:

Key	Aliases	Description
`RGB_TOG`		Toggle RGB lighting on or off
`RGB_MODE_FORWARD`	`RGB_MOD`	Cycle through modes, reverse direction when Shift is held
`RGB_MODE_REVERSE`	`RGB_RMOD`	Cycle through modes in reverse, forward direction when Shift is held
`RGB_HUI`		Increase hue, decrease hue when Shift is held
`RGB_HUD`		Decrease hue, increase hue when Shift is held
`RGB_SAI`		Increase saturation, decrease saturation when Shift is held
`RGB_SAD`		Decrease saturation, increase saturation when Shift is held
`RGB_VAI`		Increase value (brightness), decrease value when Shift is held
`RGB_VAD`		Decrease value (brightness), increase value when Shift is held
`RGB_SPI`		Increase effect speed (does not support eeprom yet), decrease speed when Shift is held
`RGB_SPD`		Decrease effect speed (does not support eeprom yet), increase speed when Shift is held
`RGB_MODE_PLAIN`	`RGB_M_P`	Static (no animation) mode
`RGB_MODE_BREATHE`	`RGB_M_B`	Breathing animation mode
`RGB_MODE_RAINBOW`	`RGB_M_R`	Full gradient scrolling left to right (uses the `RGB_MATRIX_CYCLE_LEFT_RIGHT` mode)
`RGB_MODE_SWIRL`	`RGB_M_SW`	Full gradient spinning pinwheel around center of keyboard (uses `RGB_MATRIX_CYCLE_PINWHEEL` mode)

RGB_MODE_* keycodes will generally work, but not all of the modes are currently mapped to the correct effects for the RGB Matrix system.

RGB_MODE_PLAIN, RGB_MODE_BREATHE, RGB_MODE_RAINBOW, and RGB_MATRIX_SWIRL are the only ones that are mapped properly. The rest don't have a direct equivalent, and are not mapped.

!> By default, if you have both the RGB Light and the RGB Matrix feature enabled, these keycodes will work for both features, at the same time. You can disable the keycode functionality by defining the *_DISABLE_KEYCODES option for the specific feature.

RGB Matrix Effects :id=rgb-matrix-effects

All effects have been configured to support current configuration values (Hue, Saturation, Value, & Speed) unless otherwise noted below. These are the effects that are currently available:

enum rgb_matrix_effects {
    RGB_MATRIX_NONE = 0,
    RGB_MATRIX_SOLID_COLOR = 1,     // Static single hue, no speed support
    RGB_MATRIX_ALPHAS_MODS,         // Static dual hue, speed is hue for secondary hue
    RGB_MATRIX_GRADIENT_UP_DOWN,    // Static gradient top to bottom, speed controls how much gradient changes
    RGB_MATRIX_GRADIENT_LEFT_RIGHT,    // Static gradient left to right, speed controls how much gradient changes
    RGB_MATRIX_BREATHING,           // Single hue brightness cycling animation
    RGB_MATRIX_BAND_SAT,        // Single hue band fading saturation scrolling left to right
    RGB_MATRIX_BAND_VAL,        // Single hue band fading brightness scrolling left to right
    RGB_MATRIX_BAND_PINWHEEL_SAT,   // Single hue 3 blade spinning pinwheel fades saturation
    RGB_MATRIX_BAND_PINWHEEL_VAL,   // Single hue 3 blade spinning pinwheel fades brightness
    RGB_MATRIX_BAND_SPIRAL_SAT,     // Single hue spinning spiral fades saturation
    RGB_MATRIX_BAND_SPIRAL_VAL,     // Single hue spinning spiral fades brightness
    RGB_MATRIX_CYCLE_ALL,           // Full keyboard solid hue cycling through full gradient
    RGB_MATRIX_CYCLE_LEFT_RIGHT,    // Full gradient scrolling left to right
    RGB_MATRIX_CYCLE_UP_DOWN,       // Full gradient scrolling top to bottom
    RGB_MATRIX_CYCLE_OUT_IN,        // Full gradient scrolling out to in
    RGB_MATRIX_CYCLE_OUT_IN_DUAL,   // Full dual gradients scrolling out to in
    RGB_MATRIX_RAINBOW_MOVING_CHEVRON,  // Full gradent Chevron shapped scrolling left to right
    RGB_MATRIX_CYCLE_PINWHEEL,      // Full gradient spinning pinwheel around center of keyboard
    RGB_MATRIX_CYCLE_SPIRAL,        // Full gradient spinning spiral around center of keyboard
    RGB_MATRIX_DUAL_BEACON,         // Full gradient spinning around center of keyboard
    RGB_MATRIX_RAINBOW_BEACON,      // Full tighter gradient spinning around center of keyboard
    RGB_MATRIX_RAINBOW_PINWHEELS,   // Full dual gradients spinning two halfs of keyboard
    RGB_MATRIX_RAINDROPS,           // Randomly changes a single key's hue
    RGB_MATRIX_JELLYBEAN_RAINDROPS, // Randomly changes a single key's hue and saturation
    RGB_MATRIX_HUE_BREATHING,       // Hue shifts up a slight ammount at the same time, then shifts back
    RGB_MATRIX_HUE_PENDULUM,        // Hue shifts up a slight ammount in a wave to the right, then back to the left
    RGB_MATRIX_HUE_WAVE,            // Hue shifts up a slight ammount and then back down in a wave to the right 
#if define(RGB_MATRIX_FRAMEBUFFER_EFFECTS)
    RGB_MATRIX_TYPING_HEATMAP,      // How hot is your WPM!
    RGB_MATRIX_DIGITAL_RAIN,        // That famous computer simulation
#endif
#if defined(RGB_MATRIX_KEYPRESSES) || defined(RGB_MATRIX_KEYRELEASES)
    RGB_MATRIX_SOLID_REACTIVE_SIMPLE,   // Pulses keys hit to hue & value then fades value out
    RGB_MATRIX_SOLID_REACTIVE,      // Static single hue, pulses keys hit to shifted hue then fades to current hue
    RGB_MATRIX_SOLID_REACTIVE_WIDE       // Hue & value pulse near a single key hit then fades value out
    RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE  // Hue & value pulse near multiple key hits then fades value out
    RGB_MATRIX_SOLID_REACTIVE_CROSS      // Hue & value pulse the same column and row of a single key hit then fades value out
    RGB_MATRIX_SOLID_REACTIVE_MULTICROSS // Hue & value pulse the same column and row of multiple key hits then fades value out
    RGB_MATRIX_SOLID_REACTIVE_NEXUS      // Hue & value pulse away on the same column and row of a single key hit then fades value out
    RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS // Hue & value pulse away on the same column and row of multiple key hits then fades value out
    RGB_MATRIX_SPLASH,              // Full gradient & value pulse away from a single key hit then fades value out
    RGB_MATRIX_MULTISPLASH,         // Full gradient & value pulse away from multiple key hits then fades value out
    RGB_MATRIX_SOLID_SPLASH,        // Hue & value pulse away from a single key hit then fades value out
    RGB_MATRIX_SOLID_MULTISPLASH,   // Hue & value pulse away from multiple key hits then fades value out
#endif
    RGB_MATRIX_EFFECT_MAX
};

You can disable a single effect by defining DISABLE_[EFFECT_NAME] in your config.h:

Define	Description
`#define DISABLE_RGB_MATRIX_ALPHAS_MODS`	Disables `RGB_MATRIX_ALPHAS_MODS`
`#define DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN`	Disables `RGB_MATRIX_GRADIENT_UP_DOWN`
`#define DISABLE_RGB_MATRIX_GRADIENT_LEFT_RIGHT`	Disables `MATRIX_GRADIENT_LEFT_RIGHT`
`#define DISABLE_RGB_MATRIX_BREATHING`	Disables `RGB_MATRIX_BREATHING`
`#define DISABLE_RGB_MATRIX_BAND_SAT`	Disables `RGB_MATRIX_BAND_SAT`
`#define DISABLE_RGB_MATRIX_BAND_VAL`	Disables `RGB_MATRIX_BAND_VAL`
`#define DISABLE_RGB_MATRIX_BAND_PINWHEEL_SAT`	Disables `RGB_MATRIX_BAND_PINWHEEL_SAT`
`#define DISABLE_RGB_MATRIX_BAND_PINWHEEL_VAL`	Disables `RGB_MATRIX_BAND_PINWHEEL_VAL`
`#define DISABLE_RGB_MATRIX_BAND_SPIRAL_SAT`	Disables `RGB_MATRIX_BAND_SPIRAL_SAT`
`#define DISABLE_RGB_MATRIX_BAND_SPIRAL_VAL`	Disables `RGB_MATRIX_BAND_SPIRAL_VAL`
`#define DISABLE_RGB_MATRIX_CYCLE_ALL`	Disables `RGB_MATRIX_CYCLE_ALL`
`#define DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT`	Disables `RGB_MATRIX_CYCLE_LEFT_RIGHT`
`#define DISABLE_RGB_MATRIX_CYCLE_UP_DOWN`	Disables `RGB_MATRIX_CYCLE_UP_DOWN`
`#define DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON`	Disables `RGB_MATRIX_RAINBOW_MOVING_CHEVRON`
`#define DISABLE_RGB_MATRIX_CYCLE_OUT_IN`	Disables `RGB_MATRIX_CYCLE_OUT_IN`
`#define DISABLE_RGB_MATRIX_CYCLE_OUT_IN_DUAL`	Disables `RGB_MATRIX_CYCLE_OUT_IN_DUAL`
`#define DISABLE_RGB_MATRIX_CYCLE_PINWHEEL`	Disables `RGB_MATRIX_CYCLE_PINWHEEL`
`#define DISABLE_RGB_MATRIX_CYCLE_SPIRAL`	Disables `RGB_MATRIX_CYCLE_SPIRAL`
`#define DISABLE_RGB_MATRIX_DUAL_BEACON`	Disables `RGB_MATRIX_DUAL_BEACON`
`#define DISABLE_RGB_MATRIX_RAINBOW_BEACON`	Disables `RGB_MATRIX_RAINBOW_BEACON`
`#define DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS`	Disables `RGB_MATRIX_RAINBOW_PINWHEELS`
`#define DISABLE_RGB_MATRIX_RAINDROPS`	Disables `RGB_MATRIX_RAINDROPS`
`#define DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS`	Disables `RGB_MATRIX_JELLYBEAN_RAINDROPS`
`#define DISABLE_RGB_MATRIX_HUE_BREATHING`	Disables `RGB_MATRIX_HUE_BREATHING`
`#define DISABLE_RGB_MATRIX_HUE_PENDULUM`	Disables `RGB_MATRIX_HUE_PENDULUM`
`#define DISABLE_RGB_MATRIX_HUE_WAVE`	Disables `RGB_MATRIX_HUE_WAVE`
`#define DISABLE_RGB_MATRIX_TYPING_HEATMAP`	Disables `RGB_MATRIX_TYPING_HEATMAP`
`#define DISABLE_RGB_MATRIX_DIGITAL_RAIN`	Disables `RGB_MATRIX_DIGITAL_RAIN`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE`	Disables `RGB_MATRIX_SOLID_REACTIVE_SIMPLE`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE`	Disables `RGB_MATRIX_SOLID_REACTIVE`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_WIDE`	Disables `RGB_MATRIX_SOLID_REACTIVE_WIDE`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE`	Disables `RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_CROSS`	Disables `RGB_MATRIX_SOLID_REACTIVE_CROSS`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTICROSS`	Disables `RGB_MATRIX_SOLID_REACTIVE_MULTICROSS`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_NEXUS`	Disables `RGB_MATRIX_SOLID_REACTIVE_NEXUS`
`#define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS`	Disables `RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS`
`#define DISABLE_RGB_MATRIX_SPLASH`	Disables `RGB_MATRIX_SPLASH`
`#define DISABLE_RGB_MATRIX_MULTISPLASH`	Disables `RGB_MATRIX_MULTISPLASH`
`#define DISABLE_RGB_MATRIX_SOLID_SPLASH`	Disables `RGB_MATRIX_SOLID_SPLASH`
`#define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH`	Disables `RGB_MATRIX_SOLID_MULTISPLASH`

RGB Matrix Effect Typing Heatmap :id=rgb-matrix-effect-typing-heatmap

This effect will color the RGB matrix according to a heatmap of recently pressed keys. Whenever a key is pressed its "temperature" increases as well as that of its neighboring keys. The temperature of each key is then decreased automatically every 25 milliseconds by default.

In order to change the delay of temperature decrease define RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS:

#define RGB_MATRIX_TYPING_HEATMAP_DECREASE_DELAY_MS 50

Custom RGB Matrix Effects :id=custom-rgb-matrix-effects

By setting RGB_MATRIX_CUSTOM_USER (and/or RGB_MATRIX_CUSTOM_KB) in rules.mk, new effects can be defined directly from userspace, without having to edit any QMK core files.

To declare new effects, create a new rgb_matrix_user/kb.inc that looks something like this:

rgb_matrix_user.inc should go in the root of the keymap directory. rgb_matrix_kb.inc should go in the root of the keyboard directory.

To use custom effects in your code, simply prepend RGB_MATRIX_CUSTOM_ to the effect name specified in RGB_MATRIX_EFFECT(). For example, an effect declared as RGB_MATRIX_EFFECT(my_cool_effect) would be referenced with:

rgb_matrix_mode(RGB_MATRIX_CUSTOM_my_cool_effect);

// !!! DO NOT ADD #pragma once !!! //

// Step 1.
// Declare custom effects using the RGB_MATRIX_EFFECT macro
// (note the lack of semicolon after the macro!)
RGB_MATRIX_EFFECT(my_cool_effect)
RGB_MATRIX_EFFECT(my_cool_effect2)

// Step 2.
// Define effects inside the `RGB_MATRIX_CUSTOM_EFFECT_IMPLS` ifdef block
#ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS

// e.g: A simple effect, self-contained within a single method
static bool my_cool_effect(effect_params_t* params) {
  RGB_MATRIX_USE_LIMITS(led_min, led_max);
  for (uint8_t i = led_min; i < led_max; i++) {
    rgb_matrix_set_color(i, 0xff, 0xff, 0x00);
  }
  return led_max < DRIVER_LED_TOTAL;
}

// e.g: A more complex effect, relying on external methods and state, with
// dedicated init and run methods
static uint8_t some_global_state;
static void my_cool_effect2_complex_init(effect_params_t* params) {
  some_global_state = 1;
}
static bool my_cool_effect2_complex_run(effect_params_t* params) {
  RGB_MATRIX_USE_LIMITS(led_min, led_max);
  for (uint8_t i = led_min; i < led_max; i++) {
    rgb_matrix_set_color(i, 0xff, some_global_state++, 0xff);
  }

  return led_max < DRIVER_LED_TOTAL;
}
static bool my_cool_effect2(effect_params_t* params) {
  if (params->init) my_cool_effect2_complex_init(params);
  return my_cool_effect2_complex_run(params);
}

#endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS

For inspiration and examples, check out the built-in effects under quantum/rgb_matrix_animations/

Colors :id=colors

These are shorthands to popular colors. The RGB ones can be passed to the setrgb functions, while the HSV ones to the sethsv functions.

RGB	HSV
`RGB_WHITE`	`HSV_WHITE`
`RGB_RED`	`HSV_RED`
`RGB_CORAL`	`HSV_CORAL`
`RGB_ORANGE`	`HSV_ORANGE`
`RGB_GOLDENROD`	`HSV_GOLDENROD`
`RGB_GOLD`	`HSV_GOLD`
`RGB_YELLOW`	`HSV_YELLOW`
`RGB_CHARTREUSE`	`HSV_CHARTREUSE`
`RGB_GREEN`	`HSV_GREEN`
`RGB_SPRINGGREEN`	`HSV_SPRINGGREEN`
`RGB_TURQUOISE`	`HSV_TURQUOISE`
`RGB_TEAL`	`HSV_TEAL`
`RGB_CYAN`	`HSV_CYAN`
`RGB_AZURE`	`HSV_AZURE`
`RGB_BLUE`	`HSV_BLUE`
`RGB_PURPLE`	`HSV_PURPLE`
`RGB_MAGENTA`	`HSV_MAGENTA`
`RGB_PINK`	`HSV_PINK`

These are defined in rgblight_list.h. Feel free to add to this list!

Additional `config.h` Options :id=additional-configh-options

#define RGB_MATRIX_KEYPRESSES // reacts to keypresses
#define RGB_MATRIX_KEYRELEASES // reacts to keyreleases (instead of keypresses)
#define RGB_MATRIX_FRAMEBUFFER_EFFECTS // enable framebuffer effects
#define RGB_DISABLE_TIMEOUT 0 // number of milliseconds to wait until rgb automatically turns off
#define RGB_DISABLE_AFTER_TIMEOUT 0 // OBSOLETE: number of ticks to wait until disabling effects
#define RGB_DISABLE_WHEN_USB_SUSPENDED // turn off effects when suspended
#define RGB_MATRIX_LED_PROCESS_LIMIT (DRIVER_LED_TOTAL + 4) / 5 // limits the number of LEDs to process in an animation per task run (increases keyboard responsiveness)
#define RGB_MATRIX_LED_FLUSH_LIMIT 16 // limits in milliseconds how frequently an animation will update the LEDs. 16 (16ms) is equivalent to limiting to 60fps (increases keyboard responsiveness)
#define RGB_MATRIX_MAXIMUM_BRIGHTNESS 200 // limits maximum brightness of LEDs to 200 out of 255. If not defined maximum brightness is set to 255
#define RGB_MATRIX_STARTUP_MODE RGB_MATRIX_CYCLE_LEFT_RIGHT // Sets the default mode, if none has been set
#define RGB_MATRIX_STARTUP_HUE 0 // Sets the default hue value, if none has been set
#define RGB_MATRIX_STARTUP_SAT 255 // Sets the default saturation value, if none has been set
#define RGB_MATRIX_STARTUP_VAL RGB_MATRIX_MAXIMUM_BRIGHTNESS // Sets the default brightness value, if none has been set
#define RGB_MATRIX_STARTUP_SPD 127 // Sets the default animation speed, if none has been set
#define RGB_MATRIX_DISABLE_KEYCODES // disables control of rgb matrix by keycodes (must use code functions to control the feature)
#define RGB_MATRIX_SPLIT { X, Y } 	// (Optional) For split keyboards, the number of LEDs connected on each half. X = left, Y = Right.
                              		// If RGB_MATRIX_KEYPRESSES or RGB_MATRIX_KEYRELEASES is enabled, you also will want to enable SPLIT_TRANSPORT_MIRROR

EEPROM storage :id=eeprom-storage

The EEPROM for it is currently shared with the LED Matrix system (it's generally assumed only one feature would be used at a time), but could be configured to use its own 32bit address with:

#define EECONFIG_RGB_MATRIX (uint32_t *)28

Where 28 is an unused index from eeconfig.h.

Functions :id=functions

Direct Operation :id=direct-operation

Function	Description
`rgb_matrix_set_color_all(r, g, b)`	Set all of the LEDs to the given RGB value, where `r`/`g`/`b` are between 0 and 255 (not written to EEPROM)
`rgb_matrix_set_color(index, r, g, b)`	Set a single LED to the given RGB value, where `r`/`g`/`b` are between 0 and 255, and `index` is between 0 and `DRIVER_LED_TOTAL` (not written to EEPROM)

Disable/Enable Effects :id=disable-enable-effects

Function	Description
`rgb_matrix_toggle()`	Toggle effect range LEDs between on and off
`rgb_matrix_toggle_noeeprom()`	Toggle effect range LEDs between on and off (not written to EEPROM)
`rgb_matrix_enable()`	Turn effect range LEDs on, based on their previous state
`rgb_matrix_enable_noeeprom()`	Turn effect range LEDs on, based on their previous state (not written to EEPROM)
`rgb_matrix_disable()`	Turn effect range LEDs off, based on their previous state
`rgb_matrix_disable_noeeprom()`	Turn effect range LEDs off, based on their previous state (not written to EEPROM)

Change Effect Mode :id=change-effect-mode

Function	Description
`rgb_matrix_mode(mode)`	Set the mode, if RGB animations are enabled
`rgb_matrix_mode_noeeprom(mode)`	Set the mode, if RGB animations are enabled (not written to EEPROM)
`rgb_matrix_step()`	Change the mode to the next RGB animation in the list of enabled RGB animations
`rgb_matrix_step_noeeprom()`	Change the mode to the next RGB animation in the list of enabled RGB animations (not written to EEPROM)
`rgb_matrix_step_reverse()`	Change the mode to the previous RGB animation in the list of enabled RGB animations
`rgb_matrix_step_reverse_noeeprom()`	Change the mode to the previous RGB animation in the list of enabled RGB animations (not written to EEPROM)
`rgb_matrix_increase_speed()`	Increase the speed of the animations
`rgb_matrix_increase_speed_noeeprom()`	Increase the speed of the animations (not written to EEPROM)
`rgb_matrix_decrease_speed()`	Decrease the speed of the animations
`rgb_matrix_decrease_speed_noeeprom()`	Decrease the speed of the animations (not written to EEPROM)
`rgb_matrix_set_speed(speed)`	Set the speed of the animations to the given value where `speed` is between 0 and 255
`rgb_matrix_set_speed_noeeprom(speed)`	Set the speed of the animations to the given value where `speed` is between 0 and 255 (not written to EEPROM)

Change Color :id=change-color

Function	Description
`rgb_matrix_increase_hue()`	Increase the hue for effect range LEDs. This wraps around at maximum hue
`rgb_matrix_increase_hue_noeeprom()`	Increase the hue for effect range LEDs. This wraps around at maximum hue (not written to EEPROM)
`rgb_matrix_decrease_hue()`	Decrease the hue for effect range LEDs. This wraps around at minimum hue
`rgb_matrix_decrease_hue_noeeprom()`	Decrease the hue for effect range LEDs. This wraps around at minimum hue (not written to EEPROM)
`rgb_matrix_increase_sat()`	Increase the saturation for effect range LEDs. This wraps around at maximum saturation
`rgb_matrix_increase_sat_noeeprom()`	Increase the saturation for effect range LEDs. This wraps around at maximum saturation (not written to EEPROM)
`rgb_matrix_decrease_sat()`	Decrease the saturation for effect range LEDs. This wraps around at minimum saturation
`rgb_matrix_decrease_sat_noeeprom()`	Decrease the saturation for effect range LEDs. This wraps around at minimum saturation (not written to EEPROM)
`rgb_matrix_increase_val()`	Increase the value for effect range LEDs. This wraps around at maximum value
`rgb_matrix_increase_val_noeeprom()`	Increase the value for effect range LEDs. This wraps around at maximum value (not written to EEPROM)
`rgb_matrix_decrease_val()`	Decrease the value for effect range LEDs. This wraps around at minimum value
`rgb_matrix_decrease_val_noeeprom()`	Decrease the value for effect range LEDs. This wraps around at minimum value (not written to EEPROM)
`rgb_matrix_sethsv(h, s, v)`	Set LEDs to the given HSV value where `h`/`s`/`v` are between 0 and 255
`rgb_matrix_sethsv_noeeprom(h, s, v)`	Set LEDs to the given HSV value where `h`/`s`/`v` are between 0 and 255 (not written to EEPROM)

Query Current Status :id=query-current-status

Function	Description
`rgb_matrix_is_enabled()`	Gets current on/off status
`rgb_matrix_get_mode()`	Gets current mode
`rgb_matrix_get_hue()`	Gets current hue
`rgb_matrix_get_sat()`	Gets current sat
`rgb_matrix_get_val()`	Gets current val
`rgb_matrix_get_hsv()`	Gets hue, sat, and val and returns a `HSV` structure
`rgb_matrix_get_speed()`	Gets current speed
`rgb_matrix_get_suspend_state()`	Gets current suspend state

Callbacks :id=callbacks

Indicators :id=indicators

If you want to set custom indicators, such as an LED for Caps Lock, or layer indication, you can use the rgb_matrix_indicators_kb or rgb_matrix_indicators_user function for that:

void rgb_matrix_indicators_kb(void) {
    rgb_matrix_set_color(index, red, green, blue);
}

In addition, there are the advanced indicator functions. These are aimed at those with heavily customized displays, where rendering every LED per cycle is expensive. Such as some of the "drashna" layouts. This includes a special macro to help make this easier to use: RGB_MATRIX_INDICATOR_SET_COLOR(i, r, g, b).

void rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
    RGB_MATRIX_INDICATOR_SET_COLOR(index, red, green, blue);
}

Suspended state :id=suspended-state

To use the suspend feature, make sure that #define RGB_DISABLE_WHEN_USB_SUSPENDED true is added to the config.h file.

Additionally add this to your <keyboard>.c:

void suspend_power_down_kb(void) {
    rgb_matrix_set_suspend_state(true);
    suspend_power_down_user();
}

void suspend_wakeup_init_kb(void) {
    rgb_matrix_set_suspend_state(false);
    suspend_wakeup_init_user();
}

or add this to your keymap.c:

void suspend_power_down_user(void) {
    rgb_matrix_set_suspend_state(true);
}

void suspend_wakeup_init_user(void) {
    rgb_matrix_set_suspend_state(false);
}

39 KiB Raw Blame History

RGB Matrix Lighting :id=rgb-matrix-lighting

Driver configuration :id=driver-configuration

IS31FL3731 :id=is31fl3731

IS31FL3733 :id=is31fl3733

IS31FL3737 :id=is31fl3737

WS2812 :id=ws2812

APA102 :id=apa102

AW20216 :id=aw20216

Common Configuration :id=common-configuration

Flags :id=flags

Keycodes :id=keycodes

RGB Matrix Effects :id=rgb-matrix-effects

RGB Matrix Effect Typing Heatmap :id=rgb-matrix-effect-typing-heatmap

Custom RGB Matrix Effects :id=custom-rgb-matrix-effects

Colors :id=colors

Additional config.h Options :id=additional-configh-options

EEPROM storage :id=eeprom-storage

Functions :id=functions

Direct Operation :id=direct-operation

Disable/Enable Effects :id=disable-enable-effects

Change Effect Mode :id=change-effect-mode

Change Color :id=change-color

Query Current Status :id=query-current-status

Callbacks :id=callbacks

Indicators :id=indicators

Suspended state :id=suspended-state

39 KiB

Raw Blame History

Additional `config.h` Options :id=additional-configh-options