[Keymap] Add RGB config and controls to userspace (#5299)

* Add INSERT and EEP_RST to HS60 keymap

* Add INSERT to keymap

* Layer based RGB colors

* Move RGB code to layer_rgb.c

* New file with layer based RGB colors

* Use RGB code if RGBLIGHT is enabled

* Set RGB options in config.h

* Remove rgb enable from init user

users/stanrc85/config.h

@@ -2,3 +2,8 @@
 
 #define TAPPING_TERM 200
 #define RETRO_TAPPING
+
+#ifdef RGBLIGHT_ENABLE
+  #define RGBLIGHT_LIMIT_VAL 175
+  #define RGBLIGHT_SLEEP
+#endif

users/stanrc85/layer_rgb.c

@@ -0,0 +1,26 @@
+#include "stanrc85.h"
+
+void matrix_init_user(void) {
+  rgblight_setrgb(0xFF,  0x00, 0x00);
+};
+
+uint32_t layer_state_set_user(uint32_t state) {
+    switch (biton32(state)) {
+    case 0:
+        rgblight_setrgb (0xFF,  0x00, 0x00);
+        break;
+    case 1:
+        rgblight_setrgb (0x00,  0xFF, 0x00);
+        break;
+    case 2:
+        rgblight_setrgb (0x00,  0x00, 0xFF);
+        break;
+    case 3:
+        rgblight_setrgb (0xFF,  0xFF, 0xFF);
+        break;
+    default: //  for any other layers, or the default layer
+        rgblight_setrgb (0xFF,  0x00, 0x00);
+        break;
+    }
+  return state;
+}

users/stanrc85/rules.mk

@@ -7,3 +7,8 @@ MOUSEKEY_ENABLE = no
 AUDIO_ENABLE = no
 CONSOLE_ENABLE = no
 NKRO_ENABLE = no
+
+ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
+  # Include my fancy rgb functions source here
+  SRC += layer_rgb.c
+endif