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bdk: rtc: handle offset adjustment in-place

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This commit is contained in:
CTCaer 2024-03-12 15:08:55 +02:00
parent 29d1e4a809
commit 83ac40c4b9
2 changed files with 19 additions and 0 deletions
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17
bdk/rtc/max77620-rtc.c
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@ -23,6 +23,8 @@
#include <soc/timer.h>
#include <soc/t210.h>
int epoch_offset = 0;
void max77620_rtc_prep_read()
{
i2c_send_byte(I2C_5, MAX77620_RTC_I2C_ADDR, MAX77620_RTC_UPDATE0_REG, MAX77620_RTC_READ_UPDATE);
@ -154,6 +156,21 @@ u32 max77620_rtc_date_to_epoch(const rtc_time_t *time)
return epoch;
}
void max77620_rtc_get_time_adjusted(rtc_time_t *time)
{
max77620_rtc_get_time(time);
if (epoch_offset)
{
u32 epoch = (u32)((s64)max77620_rtc_date_to_epoch(time) + epoch_offset);
max77620_rtc_epoch_to_date(epoch, time);
}
}
void max77620_rtc_set_epoch_offset(int offset)
{
epoch_offset = offset;
}
void max77620_rtc_set_reboot_reason(rtc_reboot_reason_t *rr)
{
max77620_rtc_stop_alarm();

2
bdk/rtc/max77620-rtc.h
View File

@ -109,6 +109,8 @@ typedef struct _rtc_reboot_reason_t
void max77620_rtc_prep_read();
void max77620_rtc_get_time(rtc_time_t *time);
void max77620_rtc_get_time_adjusted(rtc_time_t *time);
void max77620_rtc_set_epoch_offset(int offset);
void max77620_rtc_stop_alarm();
void max77620_rtc_epoch_to_date(u32 epoch, rtc_time_t *time);
u32 max77620_rtc_date_to_epoch(const rtc_time_t *time);