Keychron C1 RGB: Mac and Windows Indicator lights

keyboards/keychron/c1/c1.c

@@ -0,0 +1,62 @@
+/* Copyright 2023 @ NetUserGet
+ *
+ * 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"
+
+bool mode_leds_show = true;
+bool mode_leds_windows;
+
+static void mode_leds_update(void){
+    if (mode_leds_show && mode_leds_windows) {
+        gpio_write_pin_high(LED_WIN_PIN);
+    } else if (mode_leds_show && !mode_leds_windows) {
+        gpio_write_pin_high(LED_MAC_PIN);
+    }
+}
+
+#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 ? 2 : 0));
+    }
+
+    mode_leds_windows = !active;
+    mode_leds_update();
+    return true;
+}
+
+#endif // DIP_SWITCH_ENABLE
+
+void keyboard_pre_init_user(void) {
+    // Setup Win & Mac LED Pins as output
+    gpio_set_pin_output(LED_WIN_PIN);
+    gpio_set_pin_output(LED_MAC_PIN);
+}
+
+void suspend_power_down_user(void) {
+    // Turn leds off
+    mode_leds_show = false;
+    mode_leds_update();
+}
+
+void suspend_wakeup_init_user(void) {
+    mode_leds_show = true;
+    mode_leds_update();
+}

keyboards/keychron/c1/config.h

@@ -16,3 +16,9 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #define SN32_RGB_MATRIX_ROW_PINS { C0, C1, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, B13, D3, B15, B14 }
 #define SN32_RGB_MATRIX_COL_PINS { A8, A9, A10, A11, A12, A13, A14, A15, B0, B1, B2, B3, B4, B5, B6, B7, B8 }
+
+#define BACKLIGHT_LEVELS 8
+
+#define LED_MAC_PIN         B11 //labeled Mac on KB since no Scroll Lock
+#define LED_WIN_PIN         B12 //labeled Windows on KB since no Numpad
+

keyboards/keychron/c1/keyboard.json

@@ -11,7 +11,8 @@
         "extrakey": true,
         "mousekey": true,
         "nkro": true,
-        "rgb_matrix": true
+        "rgb_matrix": true,
+        "dip_switch": true
     },
     "lto": true,
     "indicators": {
@@ -133,6 +134,7 @@
     },
     "rgb_matrix": {
         "driver": "sn32f24xb",
+        "speed": 96,
         "animations": {
             "breathing": true,
             "band_spiral_val": true,