diff --git a/hardware0.hpp b/hardware0.hpp
new file mode 100644
index 0000000..30f6b07
--- /dev/null
+++ b/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
diff --git a/hardware1.hpp b/hardware1.hpp
new file mode 100644
index 0000000..6f70f09
--- /dev/null
+++ b/hardware1.hpp
@@ -0,0 +1 @@
+#pragma once
diff --git a/settings.hpp b/settings.hpp
new file mode 100644
index 0000000..d646e57
--- /dev/null
+++ b/settings.hpp
@@ -0,0 +1,43 @@
+#pragma once
+
+namespace uart {
+
+enum class Mode {
+	ASYNCHRONOUS,
+	ASYNCHRONOUS_2X,
+	SYNCHRONOUS_MASTER,
+	SYNCHRONOUS_SLAVE,
+	SPI,
+};
+
+enum class DataBits {
+	FIVE,
+	SIX,
+	SEVEN,
+	EIGHT,
+	NINE,
+};
+
+enum class StopBits {
+	ONE,
+	TWO,
+};
+
+enum class Parity {
+	NONE,
+	ODD,
+	EVEN,
+};
+
+template <const uint32_t baudRate = 9600, const DataBits dataBits = DataBits::EIGHT, const Parity parity = Parity::NONE,
+          const StopBits stopBits = StopBits::ONE>
+class settings {
+  public:
+	static constexpr auto BAUD_RATE = baudRate;
+	static constexpr auto DATA_BITS = dataBits;
+	static constexpr auto PARITY = parity;
+	static constexpr auto STOP_BITS = stopBits;
+	using data_t = uint8_t;
+};
+
+} // namespace uart
diff --git a/software.hpp b/software.hpp
new file mode 100644
index 0000000..6f70f09
--- /dev/null
+++ b/software.hpp
@@ -0,0 +1 @@
+#pragma once
diff --git a/uart.hpp b/uart.hpp
new file mode 100644
index 0000000..6107f5d
--- /dev/null
+++ b/uart.hpp
@@ -0,0 +1,229 @@
+#pragma once
+
+#include "hardware0.hpp"
+#include "hardware1.hpp"
+#include "settings.hpp"
+#include "software.hpp"
+
+#include "../flash/flash.hpp"
+
+namespace uart {
+
+template <class Impl>
+class uart {
+  public:
+	// Initialization is done upon construction
+	uart()
+	{
+		Impl::init();
+	}
+
+	// Moving and copying uart objects is not supported
+	uart(const uart &) = delete;
+	uart(uart &&) = delete;
+	uart &operator=(const uart &) = delete;
+	uart &operator=(uart &&) = delete;
+
+	static void txByte(typename Impl::data_t byte)
+	{
+		Impl::txByte(byte);
+	}
+
+	static typename Impl::data_t rxByte()
+	{
+		return Impl::rxByte();
+	}
+
+	static typename Impl::data_t peek()
+	{
+		return Impl::peek();
+	}
+
+	static void txString(const char *str)
+	{
+		static_assert(Impl::DATA_BITS == DataBits::EIGHT, "Strings are only supported with 8 data bits");
+
+		while (char ch = *str++)
+			txByte(ch);
+	}
+
+	static void txString(const ::detail::FlashString *str)
+	{
+		static_assert(Impl::DATA_BITS == DataBits::EIGHT, "Strings are only supported with 8 data bits");
+
+		const char *strIt = reinterpret_cast<const char *>(str);
+
+		while (char ch = pgm_read_byte(strIt++))
+			txByte(ch);
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+	// Output stream overloads
+
+	uart &operator<<(const char *str)
+	{
+		txString(str);
+		return *this;
+	}
+
+	uart &operator<<(const ::detail::FlashString *str)
+	{
+		txString(str);
+		return *this;
+	}
+
+	uart &operator<<(char)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(unsigned char)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(short)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(unsigned short)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(int)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(unsigned int)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(long)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(unsigned long)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(long long)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(unsigned long long)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(float)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(double)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(long double)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(bool)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator<<(const void *)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	//////////////////////////////////////////////////////////////////////////
+	// Input stream overloads
+
+	uart &operator>>(char &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(unsigned char &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(short &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(unsigned short &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(int &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(unsigned int &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(long &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(unsigned long &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(long long &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(unsigned long long &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(float &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(double &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(long double &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(bool &)
+	{
+		static_assert(true, "Not implemented");
+	}
+
+	uart &operator>>(const void *&)
+	{
+		static_assert(true, "Not implemented");
+	}
+};
+
+} // namespace uart