Add support for using ranges for RGB (#4981)

* Add support for using ranges for RGB

This patch adds support for controlling continuous ranges of RGB LEDs.
Helper functions for split boards are also available.

* RGB Range: Use hardware-platform agnostic wait

2 files changed, 42 insertions, 0 deletions

diff --git a/quantum/rgblight.c b/quantum/rgblight.c
index 30f7d75286..d42a1d2e59 100644
--- a/quantum/rgblight.c
+++ b/quantum/rgblight.c
@@ -611,6 +611,42 @@ void rgblight_sethsv_at(uint16_t hue, uint8_t sat, uint8_t val, uint8_t index) {
   rgblight_setrgb_at(tmp_led.r, tmp_led.g, tmp_led.b, index);
 }
 
+void rgblight_setrgb_range(uint8_t r, uint8_t g, uint8_t b, uint8_t start, uint8_t end) {
+  if (!rgblight_config.enable || start < 0 || start >= end || end > RGBLED_NUM) { return; }
+
+  for (uint8_t i = start; i < end; i++) {
+    led[i].r = r;
+    led[i].g = g;
+    led[i].b = b;
+  }
+  rgblight_set();
+  wait_ms(1);
+}
+
+void rgblight_sethsv_range(uint16_t hue, uint8_t sat, uint8_t val, uint8_t start, uint8_t end) {
+  if (!rgblight_config.enable) { return; }
+
+  LED_TYPE tmp_led;
+  sethsv(hue, sat, val, &tmp_led);
+  rgblight_setrgb_range(tmp_led.r, tmp_led.g, tmp_led.b, start, end);
+}
+
+void rgblight_setrgb_master(uint8_t r, uint8_t g, uint8_t b) {
+  rgblight_setrgb_range(r, g, b, 0 , (uint8_t) RGBLED_NUM/2);
+}
+
+void rgblight_setrgb_slave(uint8_t r, uint8_t g, uint8_t b) {
+  rgblight_setrgb_range(r, g, b, (uint8_t) RGBLED_NUM/2, (uint8_t) RGBLED_NUM);
+}
+
+void rgblight_sethsv_master(uint16_t hue, uint8_t sat, uint8_t val) {
+  rgblight_sethsv_range(hue, sat, val, 0, (uint8_t) RGBLED_NUM/2);
+}
+
+void rgblight_sethsv_slave(uint16_t hue, uint8_t sat, uint8_t val) {
+  rgblight_sethsv_range(hue, sat, val, (uint8_t) RGBLED_NUM/2, (uint8_t) RGBLED_NUM);
+}
+
 #ifndef RGBLIGHT_CUSTOM_DRIVER
 void rgblight_set(void) {
   if (rgblight_config.enable) {
diff --git a/quantum/rgblight.h b/quantum/rgblight.h
index 03534bd311..aa608d4240 100644
--- a/quantum/rgblight.h
+++ b/quantum/rgblight.h
@@ -187,6 +187,12 @@ uint8_t rgblight_get_val(void);
 void rgblight_setrgb(uint8_t r, uint8_t g, uint8_t b);
 void rgblight_setrgb_at(uint8_t r, uint8_t g, uint8_t b, uint8_t index);
 void rgblight_sethsv_at(uint16_t hue, uint8_t sat, uint8_t val, uint8_t index);
+void rgblight_setrgb_range(uint8_t r, uint8_t g, uint8_t b, uint8_t start, uint8_t end);
+void rgblight_sethsv_range(uint16_t hue, uint8_t sat, uint8_t val, uint8_t start, uint8_t end);
+void rgblight_setrgb_master(uint8_t r, uint8_t g, uint8_t b);
+void rgblight_setrgb_slave(uint8_t r, uint8_t g, uint8_t b);
+void rgblight_sethsv_master(uint16_t hue, uint8_t sat, uint8_t val);
+void rgblight_sethsv_slave(uint16_t hue, uint8_t sat, uint8_t val);
 
 uint32_t eeconfig_read_rgblight(void);
 void eeconfig_update_rgblight(uint32_t val);