From 609d3d13de7911721380ecebb729e8649eb28bf5 Mon Sep 17 00:00:00 2001
From: Neil McKechnie <neilmck999@gmail.com>
Date: Mon, 8 Mar 2021 13:25:13 +0000
Subject: [PATCH] Mark minimum_free_memory volatile.

---
 freeMemory.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/freeMemory.cpp b/freeMemory.cpp
index 82ec436..6735ac1 100644
--- a/freeMemory.cpp
+++ b/freeMemory.cpp
@@ -31,7 +31,7 @@ extern char *__malloc_heap_start;
 #endif
 
 
-static int minimum_free_memory = 32767;
+static volatile int minimum_free_memory = 32767;
 
 
 int freeMemory() {