[GH-ISSUE #144] RTC memory access after deep sleep #109

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opened 2026-02-28 01:23:28 +03:00 by kerem · 2 comments

kerem commented

2026-02-28 01:23:28 +03:00

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Originally created by @dinonovak on GitHub (Mar 30, 2016).
Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/144

HI,

I am trying to save some data to RTC memory so that I can use it after waking from deep sleep.
I tries location 65, 100 & 150, but data is lost every time I wake up from deep sleep

Is RTC memory used by the class or erased ?

eg:

define RTC_BASE 160;

system_rtc_mem_read(RTC_BASE,buf,2);

Thanx,
DiNo

Originally created by @dinonovak on GitHub (Mar 30, 2016). Original GitHub issue: https://github.com/tzapu/WiFiManager/issues/144 HI, I am trying to save some data to RTC memory so that I can use it after waking from deep sleep. I tries location 65, 100 & 150, but data is lost every time I wake up from deep sleep Is RTC memory used by the class or erased ? eg: # define RTC_BASE 160; system_rtc_mem_read(RTC_BASE,buf,2); Thanx, DiNo

kerem closed this issue

2026-02-28 01:23:28 +03:00

kerem commented

2026-02-28 01:23:29 +03:00

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@tzapu commented on GitHub (Mar 30, 2016):

hi, no, rtc is not touched,
i am using it quite sucessfully here
https://github.com/tzapu/ESP8266ArducamTimelapse

together with WiFiManager and a lot of other libraries
65 i think worked for me

@tzapu commented on GitHub (Mar 30, 2016): hi, no, rtc is not touched, i am using it quite sucessfully here https://github.com/tzapu/ESP8266ArducamTimelapse together with WiFiManager and a lot of other libraries 65 i think worked for me

kerem commented

2026-02-28 01:23:29 +03:00

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@taufikmas commented on GitHub (Nov 8, 2017):

i wanna setup RTC via wifimanager beside ssid dan password connection,, how to save data to RTC? thanks

@taufikmas commented on GitHub (Nov 8, 2017): i wanna setup RTC via wifimanager beside ssid dan password connection,, how to save data to RTC? thanks