1 files changed, 59 insertions, 0 deletions
diff --git a/keyboards/wuque/mammoth20x/mammoth20x.c b/keyboards/wuque/mammoth20x/mammoth20x.c
new file mode 100644
index 0000000000..da6ccecd3b
--- /dev/null
+++ b/keyboards/wuque/mammoth20x/mammoth20x.c
@@ -0,0 +1,59 @@
+/* Copyright 2021 wuquestudio
+ *
+ * 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 "mammoth20x.h"
+
+
+static uint8_t encoder_state[ENCODERS] = {0};
+static keypos_t encoder_cw[ENCODERS] = ENCODERS_CW_KEY;
+static keypos_t encoder_ccw[ENCODERS] = ENCODERS_CCW_KEY;
+
+void encoder_action_unregister(void)
+{
+    for (int index = 0; index < ENCODERS; ++index)
+    {
+        if (encoder_state[index])
+        {
+            keyevent_t encoder_event = (keyevent_t){
+                .key = encoder_state[index] >> 1 ? encoder_cw[index] : encoder_ccw[index],
+                .pressed = false,
+                .time = (timer_read() | 1)};
+            encoder_state[index] = 0;
+            action_exec(encoder_event);
+        }
+    }
+}
+void encoder_action_register(uint8_t index, bool clockwise)
+{
+    keyevent_t encoder_event = (keyevent_t){
+        .key = clockwise ? encoder_cw[index] : encoder_ccw[index],
+        .pressed = true,
+        .time = (timer_read() | 1)};
+    encoder_state[index] = (clockwise ^ 1) | (clockwise << 1);
+    action_exec(encoder_event);
+}
+
+void matrix_scan_kb(void)
+{
+    encoder_action_unregister();
+    matrix_scan_user();
+}
+
+bool encoder_update_kb(uint8_t index, bool clockwise)
+{
+    encoder_action_register(index, clockwise);
+    return true;
+};