From ee12581a3545c6e950b4a2b5322167eb73326928 Mon Sep 17 00:00:00 2001 From: puuu Date: Sat, 4 Jun 2016 00:21:26 +0900 Subject: esp8266: Let RTC work correctly after deepsleep. By design, at wake up from deepsleep, the RTC timer will be reset, but the data stored in RTC memory will not [1]. Therefore, we have to adjust delta in RTC memory before going into deepsleep to get almost correct time after waking up. [1] http://bbs.espressif.com/viewtopic.php?t=1184#p4082 --- esp8266/modpybrtc.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'esp8266/modpybrtc.h') diff --git a/esp8266/modpybrtc.h b/esp8266/modpybrtc.h index b4ca78071..5b9d9fc76 100644 --- a/esp8266/modpybrtc.h +++ b/esp8266/modpybrtc.h @@ -30,3 +30,5 @@ extern uint64_t pyb_rtc_alarm0_expiry; void pyb_rtc_set_us_since_2000(uint64_t nowus); uint64_t pyb_rtc_get_us_since_2000(); + +void rtc_prepare_deepsleep(uint64_t sleep_us); -- cgit v1.2.3