[Keyboard] Add nightstar75 (#18546)

keyboards/yandrstudio/nightstar75/nightstar75.c

@@ -0,0 +1,39 @@
+/* Copyright 2022 JasonRen(biu)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "nightstar75.h"
+
+#ifdef RGBLIGHT_ENABLE
+const rgblight_segment_t PROGMEM my_capslock_layer[] = RGBLIGHT_LAYER_SEGMENTS(
+    {0, 4, HSV_RED}
+);
+
+const rgblight_segment_t* const PROGMEM my_rgb_layers[] = RGBLIGHT_LAYERS_LIST(
+    my_capslock_layer
+);
+
+void keyboard_post_init_kb(void) {
+    rgblight_layers = my_rgb_layers;
+    rgblight_reload_from_eeprom();
+    keyboard_post_init_user();
+}
+
+bool led_update_kb(led_t led_state) {
+    if (led_update_user(led_state)) {
+        rgblight_set_layer_state(0, led_state.caps_lock);
+    }
+    return true;
+}
+#endif