Added basic layout for new library implementation

hardware0.hpp

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "settings.hpp"
+
+namespace uart {
+namespace detail {
+
+template <class settings, const Mode mode>
+class hardware0 {
+  public:
+	using data_t = typename settings::data_t;
+	static constexpr auto BAUD_RATE = settings::BAUD_RATE;
+	static constexpr auto DATA_BITS = settings::DATA_BITS;
+	static constexpr auto PARITY = settings::PARITY;
+	static constexpr auto STOP_BITS = settings::STOP_BITS;
+
+	static void init() {}
+
+	static void txByte(data_t byte)
+	{
+		static_cast<void>(byte);
+	}
+
+	static data_t rxByte() {}
+
+	static data_t peek() {}
+};
+
+} // namespace detail
+} // namespace uart