From f987d2a28748c821e6dcb5d32ea898853d9c58f5 Mon Sep 17 00:00:00 2001
From: John Wellbelove <jwellbelove@users.noreply.github.com>
Date: Wed, 29 Sep 2021 18:49:27 +0100
Subject: [PATCH] Fixes to byte_stream_reader for const data

---
 include/etl/byte_stream.h | 12 ++++++++++++
 include/etl/span.h        |  5 ++---
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/include/etl/byte_stream.h b/include/etl/byte_stream.h
index 45fd3718..164c70b4 100644
--- a/include/etl/byte_stream.h
+++ b/include/etl/byte_stream.h
@@ -374,6 +374,18 @@ namespace etl
     {
     }
 
+    //***************************************************************************
+    /// Construct from const array.
+    //***************************************************************************
+    template <typename T, size_t Size>
+    byte_stream_reader(const T(&begin_)[Size], etl::endian buffer_endianness_ = etl::endian::big)
+      : pdata(begin_)
+      , pcurrent(begin_)
+      , length(begin_ + (Size * sizeof(T)))
+      , buffer_endianness(buffer_endianness_)
+    {
+    }
+
     //***************************************************************************
     /// Read a value from the stream.
     //***************************************************************************
diff --git a/include/etl/span.h b/include/etl/span.h
index 127e0415..d78a9460 100644
--- a/include/etl/span.h
+++ b/include/etl/span.h
@@ -41,10 +41,9 @@ SOFTWARE.
 #include "array.h"
 
 ///\defgroup span span
-/// A wrapper for arrays
 ///\ingroup containers
 
-#if ETL_USING_STL
+#if ETL_CPP11_SUPPORTED && ETL_USING_STL
   #include <array>
 #endif
 
@@ -93,7 +92,7 @@ namespace etl
     {
     }
 
-#if ETL_USING_STL
+#if ETL_CPP11_SUPPORTED && ETL_USING_STL
     //*************************************************************************
     /// Construct from std::array.
     //*************************************************************************