From 55323faebe0abb6b8900fc7b1344d383abe08a9d Mon Sep 17 00:00:00 2001
From: Marti Bolivar <mbolivar@leaflabs.com>
Date: Wed, 4 May 2011 13:20:20 -0400
Subject: systick_timer_millis is volatile, not IO-mapped.

---
 libmaple/systick.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libmaple/systick.c')

diff --git a/libmaple/systick.c b/libmaple/systick.c
index 103893e..c04f4f3 100644
--- a/libmaple/systick.c
+++ b/libmaple/systick.c
@@ -28,7 +28,7 @@
 
 #include "systick.h"
 
-__io uint32 systick_timer_millis;
+volatile uint32 systick_timer_millis;
 
 /**
  * @brief Initialize and enable SysTick.
-- 
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