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drivers: rtc: stm32: correct tm_mon conversion

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tm_mon valid interval [0,11]
LL_RTC_DateTypeDef.Month valid interval [1,12]

Signed-off-by: Georgij Cernysiov <g.cernysiov@elco-automation.de>
This commit is contained in:
Georgij Cernysiov 2019-03-13 18:49:30 +01:00 • committed by Anas Nashif
commit bc4825d6bf
1 changed files with 4 additions and 2 deletions
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6
drivers/rtc/rtc_ll_stm32.c
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@ -69,7 +69,8 @@ static u32_t rtc_stm32_read(struct device *dev)
/* Convert calendar datetime to UNIX timestamp */
now.tm_year = 100 + __LL_RTC_CONVERT_BCD2BIN(
__LL_RTC_GET_YEAR(rtc_date));
now.tm_mon = __LL_RTC_CONVERT_BCD2BIN(__LL_RTC_GET_MONTH(rtc_date));
/* tm_mon starts from 0 */
now.tm_mon = __LL_RTC_CONVERT_BCD2BIN(__LL_RTC_GET_MONTH(rtc_date)) - 1;
now.tm_mday = __LL_RTC_CONVERT_BCD2BIN(__LL_RTC_GET_DAY(rtc_date));
now.tm_hour = __LL_RTC_CONVERT_BCD2BIN(__LL_RTC_GET_HOUR(rtc_time));
@ -147,7 +148,8 @@ static int rtc_stm32_set_config(struct device *dev, struct rtc_config *cfg)
gmtime_r(&init_ts, &init_tm);
rtc_date.Year = init_tm.tm_year % 100;
rtc_date.Month = init_tm.tm_mon;
/* tm_mon starts from 0 */
rtc_date.Month = init_tm.tm_mon + 1;
rtc_date.Day = init_tm.tm_mday;
rtc_date.WeekDay = init_tm.tm_wday + 1;