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overflow is invalid in oneshot mode

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Mr.M 2023-07-18 02:52:56 +00:00 committed by Man, Jianting (Meco)
parent f206338813
commit c985f318e4
1 changed files with 4 additions and 0 deletions
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4
components/drivers/hwtimer/hwtimer.c
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@ -165,6 +165,10 @@ static rt_ssize_t rt_hwtimer_read(struct rt_device *dev, rt_off_t pos, void *buf
{ {
cnt = (rt_uint32_t)(timer->freq * timer->period_sec) - cnt; cnt = (rt_uint32_t)(timer->freq * timer->period_sec) - cnt;
} }
if (timer->mode == HWTIMER_MODE_ONESHOT)
{
overflow = 0;
}
t = overflow * timer->period_sec + cnt/(float)timer->freq; t = overflow * timer->period_sec + cnt/(float)timer->freq;
tv.sec = (rt_int32_t)t; tv.sec = (rt_int32_t)t;