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Use White channel on RGBW LEDs (#7678)

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* Use White channel on RGBW LEDs

Co-authored-by: kwerdenker <sebastian.spindler@gmail.com>

* Manually apply white channel to array

* Move where convert_rgb_to_rgbw is called

* Fix type for rgbw led struct

* Add changes to Ergodox EZ

can revert if deemed necessary

* Revert "Add changes to Ergodox EZ"

This reverts commit aa44db198d.

* Revert "Fix type for rgbw led struct"

This reverts commit c5c744cba0.

* Revert "Move where convert_rgb_to_rgbw is called"

This reverts commit cd7f17caf6.

* Revert changes and fix up functions

* Enable white channel for Ergodox EZ as well

* Only run conversion of rgblight is enabled

Co-authored-by: kwerdenker <sebastian.spindler@gmail.com>
This commit is contained in:
Drashna Jaelre 2019-12-31 08:33:49 -08:00 committed by Joel Challis
parent a52e55ec09
commit 7ba6456c0b
5 changed files with 33 additions and 4 deletions
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8
keyboards/ergodox_ez/led_i2c.c
View file

@ -51,7 +51,13 @@ void rgblight_set(void) {
#endif
}
}
#ifdef RGBW
else {
for (uint8_t i = 0; i < RGBLED_NUM; i++) {
convert_rgb_to_rgbw(&led[i]);
}
}
#endif
uint8_t led_num = RGBLED_NUM;
i2c_init();

14
quantum/color.c
View file

@ -85,3 +85,17 @@ RGB hsv_to_rgb(HSV hsv) {
return rgb;
}
#ifdef RGBW
#ifndef MIN
# define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
void convert_rgb_to_rgbw(LED_TYPE *led) {
// Determine lowest value in all three colors, put that into
// the white channel and then shift all colors by that amount
led->w = MIN(led->r, MIN(led->g, led->b));
led->r -= led->w;
led->g -= led->w;
led->b -= led->w;
}
#endif

4
quantum/color.h
View file

@ -64,5 +64,7 @@ typedef struct PACKED {
#endif
RGB hsv_to_rgb(HSV hsv);
#ifdef RGBW
void convert_rgb_to_rgbw(LED_TYPE *led);
#endif
#endif // COLOR_H

2
quantum/rgb_matrix_drivers.c
View file

@ -113,7 +113,7 @@ static inline void setled(int i, uint8_t r, uint8_t g, uint8_t b) {
led[i].g = g;
led[i].b = b;
# ifdef RGBW
led[i].w = 0;
convert_rgb_to_rgbw(led[i]);
# endif
}

7
quantum/rgblight.c
View file

@ -611,6 +611,7 @@ void rgblight_set(void) {
# endif
}
}
# ifdef RGBLIGHT_LED_MAP
LED_TYPE led0[RGBLED_NUM];
for (uint8_t i = 0; i < RGBLED_NUM; i++) {
@ -620,6 +621,12 @@ void rgblight_set(void) {
# else
start_led = led + clipping_start_pos;
# endif
#ifdef RGBW
for (uint8_t i = 0; i < num_leds; i++) {
convert_rgb_to_rgbw(&start_led[i]);
}
#endif
ws2812_setleds(start_led, num_leds);
}
#endif