[Keyboard] Overhaul ploopyco devices (#22967)

keyboards/ploopyco/common/opt_encoder.h

@@ -0,0 +1,32 @@
+/* Copyright 2020 Christopher Courtney, aka Drashna Jael're  (@drashna) <drashna@live.com>
+ * Copyright 2020 Ploopy Corporation
+ *
+ * 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/>.
+ */
+#pragma once
+
+#include <stdint.h>
+
+#ifndef SCROLLER_AR_SIZE
+#    define SCROLLER_AR_SIZE 31
+#endif
+
+#ifndef SCROLL_THRESH_RANGE_LIM
+#    define SCROLL_THRESH_RANGE_LIM 10
+#endif
+
+void opt_encoder_init(void);
+/* Return the rotation direction, positive value means clockwise, negative value
+ * means counter-clockwise */
+int8_t opt_encoder_handler(uint16_t curA, uint16_t curB);