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cpu/sam0_common: RTC: use RIOT_EPOCH

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This commit is contained in:
Benjamin Valentin 2020-08-07 13:24:10 +02:00
parent 7543e714c1
commit d02aa4a6b5
1 changed files with 4 additions and 3 deletions
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7
cpu/sam0_common/periph/rtc_rtt.c
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@ -62,9 +62,10 @@ static rtc_state_t alarm_cb;
static rtc_state_t overflow_cb; static rtc_state_t overflow_cb;
/* At 1Hz, RTC goes till 63 years (2^5, see 17.8.22 in datasheet) /* At 1Hz, RTC goes till 63 years (2^5, see 17.8.22 in datasheet)
* reference_year is set to 100 (offset) to be in our current time (2000) * struct tm younts the year since 1900, use the difference to RIOT_EPOCH
* Thanks to this, the user will be able to set time in 2000's*/ * as an offset so the user can set years in RIOT_EPOCH + 63
static uint16_t reference_year = 100; */
static uint16_t reference_year = RIOT_EPOCH - 1900;
static void _wait_syncbusy(void) static void _wait_syncbusy(void)
{ {