initial commit

ccs/util.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "state.h"
+
+#include <stdint.h>
+
+int get_error(uint8_t raw);
+
+int is_crossroad(uint8_t raw);
+
+int is_crossroad_robust(SensorBuffer *sb);