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authorMichael Hope <michael.hope@linaro.org>2010-10-10 19:58:58 +1300
committerMichael Hope <michael.hope@linaro.org>2010-10-10 19:58:58 +1300
commit76e8745d80a822d9ae9a017c8f68a2f7f20695fc (patch)
tree486198ddd5aacea454f17a0f42514be2ede3999e /libmaple/systick.c
parent6fcd4cd306dbecf56f5b0b506a3c23762d1219fa (diff)
downloadlibrambutan-76e8745d80a822d9ae9a017c8f68a2f7f20695fc.tar.gz
librambutan-76e8745d80a822d9ae9a017c8f68a2f7f20695fc.zip
Make systick.h C++ safe. Expose the sys tick count via systick.h and remove other externs.
Diffstat (limited to 'libmaple/systick.c')
-rw-r--r--libmaple/systick.c5
1 files changed, 2 insertions, 3 deletions
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++;
}
-
-