From cad87d11d4beb8d1b81f9d63cf86bbe9478d42d3 Mon Sep 17 00:00:00 2001
From: porkybrain <holmes.odin@gmail.com>
Date: Thu, 16 Apr 2015 15:57:30 +0200
Subject: [PATCH] moved initialization into constructor for compatibility with
 c++03

---
 libraries/USBDevice/USBSerial/CircBuffer.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libraries/USBDevice/USBSerial/CircBuffer.h b/libraries/USBDevice/USBSerial/CircBuffer.h
index b784a72019..f581f9d2df 100644
--- a/libraries/USBDevice/USBSerial/CircBuffer.h
+++ b/libraries/USBDevice/USBSerial/CircBuffer.h
@@ -22,6 +22,7 @@
 template <class T, int Size>
 class CircBuffer {
 public:
+    CircBuffer():write(0), read(0){}
     bool isFull() {
         return ((write + 1) % size == read);
     };
@@ -53,9 +54,9 @@ public:
     };
 
 private:
-    volatile uint16_t write{0};				//in case older compilers are targeted this should be done in a constructor
-    volatile uint16_t read{0};
-    static constexpr int size{Size+1};
+    volatile uint16_t write;
+    volatile uint16_t read;
+    static const int size = Size+1;
     T buf[Size];
 };