diff options
Diffstat (limited to 'os/hal/ports')
| -rw-r--r-- | os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c b/os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c index 940abef7e..51ee7c41c 100644 --- a/os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c +++ b/os/hal/ports/STM32/LLD/RTCv2/rtc_lld.c @@ -392,7 +392,7 @@ void rtc_lld_get_time(RTCDriver *rtcp, RTCDateTime *timespec) { /* If the RTC is capable of sub-second counting then the value is
normalized in milliseconds and added to the time.*/
#if STM32_RTC_HAS_SUBSECONDS
- subs = (((ssr << 16) / STM32_RTC_PRESS_VALUE) * 1000) >> 16;
+ subs = (((STM32_RTC_PRESS_VALUE - 1U) - ssr) * 1000U) / STM32_RTC_PRESS_VALUE;
#else
subs = 0;
#endif /* STM32_RTC_HAS_SUBSECONDS */
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