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-rw-r--r--components/drivers/hwtimer/hwtimer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/drivers/hwtimer/hwtimer.c b/components/drivers/hwtimer/hwtimer.c
index c3e5076343..3f8a9a42b4 100644
--- a/components/drivers/hwtimer/hwtimer.c
+++ b/components/drivers/hwtimer/hwtimer.c
@@ -30,7 +30,7 @@ rt_inline rt_uint32_t timeout_calc(rt_hwtimer_t *timer, rt_hwtimerval_t *tv)
float overflow;
float timeout;
rt_uint32_t counter;
- int i, index;
+ int i, index = 0;
float tv_sec;
float devi_min = 1;
float devi;