start version

include/Bus/I2CScanner.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "Bus/BusScanner.h"
+
+class I2CScanner : public BusScanner {
+   public:
+    I2CScanner(String& out);
+
+   protected:
+    virtual void init() override;
+    virtual boolean syncScan() override;
+};