[Keyboard] Add Keychron C1 Pro (#20700)

Co-authored-by: adophoxia <100170946+adophoxia@users.noreply.github.com>
Co-authored-by: Drashna Jaelre <drashna@live.com>
Co-authored-by: jack <0x6a73@protonmail.com>

1 files changed, 44 insertions, 0 deletions

diff --git a/keyboards/keychron/c1_pro/c1_pro.c b/keyboards/keychron/c1_pro/c1_pro.c
new file mode 100644
index 0000000000..607cd958ad
--- /dev/null
+++ b/keyboards/keychron/c1_pro/c1_pro.c
@@ -0,0 +1,44 @@
+/* Copyright 2023 @ 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"
+
+// clang-format off
+
+const matrix_row_t matrix_mask[] = {
+    0b1111111111111111,
+    0b1111111111111111,
+    0b1111111111111111,
+    0b1111111111111111,
+    0b1111111111111111,
+    0b1111111111101111,
+};
+
+// clang-format on
+
+#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));
+    }
+    return true;
+}
+
+#endif // DIP_SWITCH_ENABLE