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-rw-r--r--quantum/rgblight.c28
-rw-r--r--quantum/rgblight.h1
-rw-r--r--quantum/split_common/split_util.c32
-rw-r--r--quantum/split_common/transport.c23
4 files changed, 55 insertions, 29 deletions
diff --git a/quantum/rgblight.c b/quantum/rgblight.c
index 3042ff11ea..08515564bc 100644
--- a/quantum/rgblight.c
+++ b/quantum/rgblight.c
@@ -66,6 +66,15 @@ bool is_rgblight_initialized = false;
 LED_TYPE led[RGBLED_NUM];
 bool rgblight_timer_enabled = false;
 
+static uint8_t clipping_start_pos = 0;
+static uint8_t clipping_num_leds = RGBLED_NUM;
+
+void rgblight_set_clipping_range(uint8_t start_pos, uint8_t num_leds) {
+  clipping_start_pos = start_pos;
+  clipping_num_leds = num_leds;
+}
+
+
 void sethsv(uint16_t hue, uint8_t sat, uint8_t val, LED_TYPE *led1) {
   uint8_t r = 0, g = 0, b = 0, base, color;
 
@@ -621,7 +630,7 @@ void rgblight_sethsv_at(uint16_t hue, uint8_t sat, uint8_t val, uint8_t index) {
   || defined(RGBLIGHT_EFFECT_SNAKE) || defined(RGBLIGHT_EFFECT_KNIGHT)
 
 static uint8_t get_interval_time(const uint8_t* default_interval_address, uint8_t velocikey_min, uint8_t velocikey_max) {
-  return 
+  return
 #ifdef VELOCIKEY_ENABLE
     velocikey_enabled() ? velocikey_match_speed(velocikey_min, velocikey_max) :
 #endif
@@ -668,21 +677,20 @@ void rgblight_sethsv_slave(uint16_t hue, uint8_t sat, uint8_t val) {
 
 #ifndef RGBLIGHT_CUSTOM_DRIVER
 void rgblight_set(void) {
+  LED_TYPE *start_led = led + clipping_start_pos;
+  uint16_t num_leds = clipping_num_leds;
   if (rgblight_config.enable) {
-      LED_TYPE *ledp;
     #ifdef RGBLIGHT_LED_MAP
       LED_TYPE led0[RGBLED_NUM];
       for(uint8_t i = 0; i < RGBLED_NUM; i++) {
           led0[i] = led[pgm_read_byte(&led_map[i])];
       }
-      ledp = led0;
-    #else
-      ledp = led;
+      start_led = led0 + clipping_start_pos;
     #endif
     #ifdef RGBW
-      ws2812_setleds_rgbw(ledp, RGBLED_NUM);
+      ws2812_setleds_rgbw(start_led, num_leds);
     #else
-      ws2812_setleds(ledp, RGBLED_NUM);
+      ws2812_setleds(start_led, num_leds);
     #endif
   } else {
     for (uint8_t i = 0; i < RGBLED_NUM; i++) {
@@ -691,9 +699,9 @@ void rgblight_set(void) {
       led[i].b = 0;
     }
     #ifdef RGBW
-      ws2812_setleds_rgbw(led, RGBLED_NUM);
+      ws2812_setleds_rgbw(start_led, num_leds);
     #else
-      ws2812_setleds(led, RGBLED_NUM);
+      ws2812_setleds(start_led, num_leds);
     #endif
   }
 }
@@ -813,7 +821,7 @@ void rgblight_effect_breathing(uint8_t interval) {
   float val;
 
   uint8_t interval_time = get_interval_time(&RGBLED_BREATHING_INTERVALS[interval], 1, 100);
-  
+
   if (timer_elapsed(last_timer) < interval_time) {
     return;
   }
diff --git a/quantum/rgblight.h b/quantum/rgblight.h
index 36e436b899..1769f719d9 100644
--- a/quantum/rgblight.h
+++ b/quantum/rgblight.h
@@ -197,6 +197,7 @@ 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);
+void rgblight_set_clipping_range(uint8_t start_pos, uint8_t num_leds);
 
 uint32_t eeconfig_read_rgblight(void);
 void eeconfig_update_rgblight(uint32_t val);
diff --git a/quantum/split_common/split_util.c b/quantum/split_common/split_util.c
index da870f8775..09a307b8ed 100644
--- a/quantum/split_common/split_util.c
+++ b/quantum/split_common/split_util.c
@@ -11,25 +11,25 @@
 #   include "eeconfig.h"
 #endif
 
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
+#include "rgblight.h"
+#endif
+
 volatile bool isLeftHand = true;
 
 __attribute__((weak))
 bool is_keyboard_left(void) {
-  #ifdef SPLIT_HAND_PIN
+  #if defined(SPLIT_HAND_PIN)
     // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
     setPinInput(SPLIT_HAND_PIN);
     return readPin(SPLIT_HAND_PIN);
-  #else
-    #ifdef EE_HANDS
-      return eeprom_read_byte(EECONFIG_HANDEDNESS);
-    #else
-      #ifdef MASTER_RIGHT
-        return !is_keyboard_master();
-      #else
-        return is_keyboard_master();
-      #endif
-    #endif
+  #elif defined(EE_HANDS)
+    return eeprom_read_byte(EECONFIG_HANDEDNESS);
+  #elif defined(MASTER_RIGHT)
+    return !is_keyboard_master();
   #endif
+
+  return is_keyboard_master();
 }
 
 bool is_keyboard_master(void)
@@ -71,6 +71,16 @@ void matrix_setup(void)
 {
   isLeftHand = is_keyboard_left();
 
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
+  uint8_t num_rgb_leds_split[2] = RGBLED_SPLIT;
+  if (isLeftHand) {
+    rgblight_set_clipping_range(0, num_rgb_leds_split[0]);
+  }
+  else {
+    rgblight_set_clipping_range(num_rgb_leds_split[0], num_rgb_leds_split[1]);
+  }
+#endif
+
   if (is_keyboard_master())
   {
     keyboard_master_setup();
diff --git a/quantum/split_common/transport.c b/quantum/split_common/transport.c
index 631d913f70..8d408f6fdc 100644
--- a/quantum/split_common/transport.c
+++ b/quantum/split_common/transport.c
@@ -92,12 +92,13 @@ typedef struct _Serial_m2s_buffer_t {
 #  ifdef BACKLIGHT_ENABLE
   uint8_t           backlight_level;
 #  endif
-#  if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+#  if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
   rgblight_config_t rgblight_config;  // not yet use
   //
   // When MCUs on both sides drive their respective RGB LED chains,
   // it is necessary to synchronize, so it is necessary to communicate RGB
-  // information. In that case, define the RGBLIGHT_SPLIT macro.
+  // information. In that case, define RGBLED_SPLIT with info on the number
+  // of LEDs on each half.
   //
   // Otherwise, if the master side MCU drives both sides RGB LED chains,
   // there is no need to communicate.
@@ -132,15 +133,20 @@ bool transport_master(matrix_row_t matrix[]) {
     matrix[i] = serial_s2m_buffer.smatrix[i];
   }
 
-#  if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-  // Code to send RGB over serial goes here (not implemented yet)
-#  endif
-
 #  ifdef BACKLIGHT_ENABLE
   // Write backlight level for slave to read
   serial_m2s_buffer.backlight_level = backlight_config.enable ? backlight_config.level : 0;
 #  endif
 
+#  if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
+  static rgblight_config_t prev_rgb = {~0};
+  uint32_t rgb = rgblight_read_dword();
+  if (rgb != prev_rgb.raw) {
+    serial_m2s_buffer.rgblight_config.raw = rgb;
+    prev_rgb.raw = rgb;
+  }
+#  endif
+
   return true;
 }
 
@@ -152,8 +158,9 @@ void transport_slave(matrix_row_t matrix[]) {
 #  ifdef BACKLIGHT_ENABLE
   backlight_set(serial_m2s_buffer.backlight_level);
 #  endif
-#  if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
-// Add serial implementation for RGB here
+#  if defined(RGBLIGHT_ENABLE) && defined(RGBLED_SPLIT)
+  // Update RGB config with the new data
+  rgblight_update_dword(serial_m2s_buffer.rgblight_config.raw);
 #  endif
 }