From 7d4eddbd8b475edd5fa3fe728e445b9306f8bbc9 Mon Sep 17 00:00:00 2001
From: BlackMark <me@blackmark.me>
Date: Sat, 3 Aug 2019 11:14:01 +0200
Subject: [PATCH] Changed interface to not initialize uart on construction

---
 uart.hpp | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/uart.hpp b/uart.hpp
index 2d3e2ce..c7cef43 100644
--- a/uart.hpp
+++ b/uart.hpp
@@ -15,11 +15,10 @@ namespace uart {
 template <class Driver>
 class Uart {
   public:
-	// Initialization is done upon construction
-	Uart()
-	{
-		Driver::init();
-	}
+	// Constructing a uart object does not initialize the driver to allow different specializations with the same
+	// back-end to exists at the same time
+	// Note that init must be called every time when switching specializations with the same back-end
+	Uart() = default;
 
 	// Moving and copying uart objects is not supported
 	Uart(const Uart &) = delete;
@@ -27,6 +26,12 @@ class Uart {
 	Uart &operator=(const Uart &) = delete;
 	Uart &operator=(Uart &&) = delete;
 
+	// Before using the uart init must be called
+	static void init()
+	{
+		Driver::init();
+	}
+
 	static void txByte(const typename Driver::data_t &byte)
 	{
 		Driver::txByte(byte);