From 76e8745d80a822d9ae9a017c8f68a2f7f20695fc Mon Sep 17 00:00:00 2001
From: Michael Hope <michael.hope@linaro.org>
Date: Sun, 10 Oct 2010 19:58:58 +1300
Subject: Make systick.h C++ safe.  Expose the sys tick count via systick.h and
 remove other externs.

---
 libmaple/systick.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'libmaple/systick.c')

diff --git a/libmaple/systick.c b/libmaple/systick.c
index 12a3e22..2b09a64 100644
--- a/libmaple/systick.c
+++ b/libmaple/systick.c
@@ -39,7 +39,7 @@
 #define SYSTICK_TICKINT         BIT(1)    // Interrupt on systick countdown
 #define SYSTICK_ENABLE          BIT(0)    // Turn on the counter
 
-volatile uint32 systick_timer_millis = 0;
+volatile uint32 systick_timer_millis;
 
 void systick_init(uint32 reload_val) {
     /* Set the reload counter to tick every 1ms  */
@@ -65,8 +65,7 @@ void systick_resume() {
             SYSTICK_TICKINT);
 }
 
+/** SysTick interrupt handler.  Bumps up the tick counter. */
 void SysTickHandler(void) {
     systick_timer_millis++;
 }
-
-
-- 
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