From f5b0085bf5b940be3aa3e7121d3139b7e5f62226 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 22 May 2012 16:10:31 +0000
Subject: improved CPU_PRESCALE macro

git-svn-id: https://svn.spreadspace.org/avr/trunk@27 aa12f405-d877-488e-9caf-2d797e2a1cc7
---
 blink/util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'blink/util.c')

diff --git a/blink/util.c b/blink/util.c
index 6547368..3bf17b1 100644
--- a/blink/util.c
+++ b/blink/util.c
@@ -24,7 +24,7 @@
 #include "util.h"
 
 #if defined(CLKPR)
-#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
+#define CPU_PRESCALE(n) do { CLKPR = 0x80; CLKPR = (n); } while(0)
 #else
 #define CPU_PRESCALE(n)
 #endif
-- 
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