1 files changed, 81 insertions, 0 deletions
diff --git a/keyboards/keychron/v4/v4.c b/keyboards/keychron/v4/v4.c
new file mode 100644
index 0000000000..402eadf2d7
--- /dev/null
+++ b/keyboards/keychron/v4/v4.c
@@ -0,0 +1,81 @@
+/* Copyright 2021 @ Keychron (https://www.keychron.com)
+ *
+ * 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 "quantum.h"
+
+const matrix_row_t matrix_mask[] = {
+    0b11111111111111,
+    0b11111111111111,
+    0b11111111111111,
+    0b11111111111111,
+    0b11111111101111,
+};
+
+#ifdef DIP_SWITCH_ENABLE
+
+bool dip_switch_update_kb(uint8_t index, bool active) {
+    if (!dip_switch_update_user(index, active)) { return false;}
+    if (index == 0) {
+        default_layer_set(1UL << (active ? 1 : 0));
+    }
+    return true;
+}
+
+#endif // DIP_SWITCH_ENABLE
+
+#if defined(RGB_MATRIX_ENABLE) && defined(CAPS_LOCK_LED_INDEX)
+
+bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
+    if (!process_record_user(keycode, record)) { return false; }
+    switch (keycode) {
+#ifdef RGB_MATRIX_ENABLE
+        case RGB_TOG:
+            if (record->event.pressed) {
+                switch (rgb_matrix_get_flags()) {
+                    case LED_FLAG_ALL: {
+                        rgb_matrix_set_flags(LED_FLAG_NONE);
+                        rgb_matrix_set_color_all(0, 0, 0);
+                    } break;
+                    default: {
+                        rgb_matrix_set_flags(LED_FLAG_ALL);
+                    } break;
+                }
+            }
+            if (!rgb_matrix_is_enabled()) {
+                rgb_matrix_set_flags(LED_FLAG_ALL);
+                rgb_matrix_enable();
+            }
+            return false;
+#endif
+    }
+    return true;
+}
+
+bool rgb_matrix_indicators_advanced_kb(uint8_t led_min, uint8_t led_max) {
+    if (!rgb_matrix_indicators_advanced_user(led_min, led_max)) { return false; }
+    // RGB_MATRIX_INDICATOR_SET_COLOR(index, red, green, blue);
+
+    if (host_keyboard_led_state().caps_lock) {
+        RGB_MATRIX_INDICATOR_SET_COLOR(CAPS_LOCK_LED_INDEX, 255, 255, 255);
+    } else {
+        if (!rgb_matrix_get_flags()) {
+           RGB_MATRIX_INDICATOR_SET_COLOR(CAPS_LOCK_LED_INDEX, 0, 0, 0);
+        }
+    }
+    return true;
+}
+
+#endif // CAPS_LOCK_LED_INDEX