Fixed template variable capitalization

uart.hpp

@@ -19,10 +19,10 @@ namespace uart {
 
 namespace detail {
 
-template <typename T, T limit, size_t Base>
+template <typename T, T Limit, size_t Base>
 static constexpr size_t cntDigits()
 {
-	T num = limit;
+	T num = Limit;
 	size_t cnt = 0;
 
 	do {