ESP8266 Developer Zone The Official ESP8266 Forum 2022-02-16T14:45:33+08:00 https://bbs.espressif.com:443/feed.php?f=7&t=75295 2022-02-16T14:45:33+08:00 2022-02-16T14:45:33+08:00 https://bbs.espressif.com:443/viewtopic.php?t=75295&p=100667#p100667 <![CDATA[Reset Cause 0 (unknown reset) after deep sleep]]> Environment
Development Kit: ESP12-F (ESP8266 Mod 4MB Flash)
IDF version: e9516e4 (release/v3.4)
Development Env: Make
Operating System: Ubuntu
Power Supply: Battery
Problem Description
can not boot
log-terminal shows: unknown reset

Expected Behavior
boot without any exception

Actual Behavior
CAN NOT boot, logs shows as below:

Code:

ets Jan  8 2013,rst cause:0, boot mode:(3,0)

unknown reset
ets_main.c


Steps to repropduce
    power on or wake up from deep sleep
    run code, connect wifi ... etc , about 5s
    run esp_deep_sleep(30000000) // 30s
    repeat step 1 - 3 about 2000-8000 cycle

Code to reproduce this issue
in function app_main()

Code:

vTaskDelay(5000 / portTICK_PERIOD_MS);
esp_deep_sleep(30000000);


Debug Logs

Code:

ets Jan  8 2013,rst cause:0, boot mode:(3,0)

unknown reset
ets_main.c

Statistics: Posted by cubic — Wed Feb 16, 2022 2:45 pm


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