Reset or Restart alwayf wdt reset

[tontito]

i have save eeprom ssid and password html and reset esp.

ESP.reset() or
ESP.restart() or
system_reset() or
system_restart() or

i tried code same error
wdtDisable()
ESP.restart()

Error:
ets Jan 8 2013,rst cause:2, boot mode:(1,7)

ets Jan 8 2013,rst cause:4, boot mode:(1,7)

wdt reset

not boot i have hardware reset and working esp.

[Links2004]

add a pullup resistor to GPIO0 (10k).
for normal boot you need a high (3V3) signal on GPIO0.

[tontito]

Yes work.

GPIO0 to 3.3v resistor and
ESP.restart()

ets Jan 8 2013,rst cause:4, boot mode:(3,6)

wdt reset
load 0x40100000, len 29504, room 16
tail 0
chksum 0x9c
load 0x3ffe8000, len 1596, room 8
tail 4
chksum 0xf6
load 0x3ffe8640, len 3276, room 4
tail 8
chksum 0xc9
csum 0xc9

boot working normaly.

[phamtankhai2202]

hi @tontito
i have a problem like you and i don't know resolve... Can you help me?

[phamtankhai2202]

i tried add pullup resistors to GPIO0 (10k) and GPIO2(10k), but it not work.

ets Jan 8 2013,rst cause:4, boot mode:(1,7)
wdt reset

[asetyde]

Also my board not always Reset correctly , I think is strong important that esp.restart() do a reset, if not I will try to use a pin to rst

Sent from my iPhone

On 11 Aug 2015, at 05:23, phamtankhai2202 notifications@github.com wrote:

i tried add pullup resistors to GPIO0 (10k) and GPIO2(10k), but it not work.

ets Jan 8 2013,rst cause:4, boot mode:(1,7)
wdt reset

—
Reply to this email directly or view it on GitHub.

[igrr]

Make sure you also have GPIO15 pulled low, and both RST and CH_PD pins pulled high.

[phamtankhai2202]

yes,ESP.restart() working . when you Upload Code to ESP8266. ESP8266 in mode UART so when restart esp will in mode UART. you should turn off power after use ESP.restart()

[lnsriravichandran22]

Sorry for asking this Question here.
Is there any option in esp8266 for remembering SSID and Password without storing it in EEPROM?

Thank in Advance!!

[Links2004]

take a look here:
#724 (comment)

[lnsriravichandran22]

@Links2004 Thanks a lot for your reference!!. But I could not understand , how it could remember the SSID and PASSWORD, even after the unit is restarted??

[igrr]

SSID, password, and WiFi mode (AP/STA) are stored in flash memory.
Therefore device will attempt to connect to the last AP, even after reset.

On Wed, Sep 2, 2015, 09:14 Lakshmi Narasimhan Ravichandran <
notifications@github.com> wrote:

@Links2004 https://github.com/Links2004 Thanks a lot for your
reference!!. But I could not understand , how it could remember the SSID
and PASSWORD, even after the unit is restarted??

—
Reply to this email directly or view it on GitHub
#244 (comment).

[lnsriravichandran22]

@igrr Thanks for that!!. I have a question now.
If so, then where should we mention the WiFi.begin () in the code? If it is in the void setup(), the code will anyways run it too and this applies for void loop() too right? As @Links2004 said, unless "WiFi.begin()" is called, the unit retains the SSID and PASSWORD set by the user.

[Links2004]

using WiFi.begin() in the setup is no problem, but you not need to do it.
the cases where you not doing it are for example is you have a configuration process where the you setup the connection once by Web interface, a APP or WPS.
Its also possible to flash one time an a code with the WiFi.begin() begin in setup and after this you can flash other code where you not need to do the begin any more.
to delete the local stored information you can use WiFi.disconnect()

[lnsriravichandran22]

@Links2004 Thanks a lot for the information!!. Sorry for my Consecutive questions. It would be of a great help if you could post here an example for setting up the connection only once and to use that connection further , unless and until there is a change with the network configuration!!

Thanks in Advance!!