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Device lost the connection with clients after few hours. #103

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JoseLuis73 opened this issue Jan 1, 2021 · 13 comments · May be fixed by #212
Open

Device lost the connection with clients after few hours. #103

JoseLuis73 opened this issue Jan 1, 2021 · 13 comments · May be fixed by #212

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@JoseLuis73
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Works well for a short period of time. After a few hours the device lost the connection with clients.

Any suggestion?
Thank you

[1755017] HomeKit: Got new client: local 192.168.0.32:5556, remote 192.168.0.40:57180
[1755027] HomeKit: [Client 1073676900] Pair Verify Step 1/2
[1755347] HomeKit: Free heap: 37400
[1755365] HomeKit: Got new client: local 192.168.0.32:5556, remote 192.168.0.41:49674
[1755375] HomeKit: [Client 1073678244] Pair Verify Step 1/2
[1755696] HomeKit: Free heap: 35184
[1755715] HomeKit: [Client 1073676900] Pair Verify Step 2/2
[1755722] HomeKit: [Client 1073676900] Found pairing with 53796B55-2E30-4B05-ADF2-8D96BEEF5929
[1755745] HomeKit: Call ge_double_scalarmult_vartime_lowmem in ge_low_mem.c
[1756508] HomeKit: [Client 1073676900] Verification successful, secure session established
[1756517] HomeKit: Free heap: 36080
[1756536] HomeKit: [Client 1073678244] Pair Verify Step 2/2
[1756542] HomeKit: [Client 1073678244] Found pairing with 53796B55-2E30-4B05-ADF2-8D96BEEF5929
[1756565] HomeKit: Call ge_double_scalarmult_vartime_lowmem in ge_low_mem.c
[1757329] HomeKit: [Client 1073678244] Verification successful, secure session established
[1757337] HomeKit: Free heap: 36144
[1757342] HomeKit: [Client 1073676900] Get Accessories
[1757405] HomeKit: [Client 1073678244] Get Accessories
Free heap: 36776, HomeKit clients: 5
Free heap: 36832, HomeKit clients: 5
Free heap: 36824, HomeKit clients: 5
@JoseLuis73
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[ 58317] HomeKit: [Client 1073683124] Pair Verify Step 1/2
[ 58638] HomeKit: Free heap: 40192
Free heap: 40240, HomeKit clients: 1
[ 58686] HomeKit: [Client 1073683124] Disconnected!
[ 58691] HomeKit: [Client 1073683124] Closing client connection
Free heap: 42736, HomeKit clients: 0

@adriankae
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adriankae commented Jan 8, 2021 •
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Hi @JoseLuis73, after disconnecting does it reestablish the connection again?

I have a similar problem. My device loses the connection on a regular bases. Like every 5 to 10 minutes. But it usually reconnects.

Any ideas?

@eford321 eford321 mentioned this issue Feb 4, 2021
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@Mixiaoxiao
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Hi @JoseLuis73, after disconnecting does it reestablish the connection again?

I have a similar problem. My device loses the connection on a regular bases. Like every 5 to 10 minutes. But it usually reconnects.

Any ideas?

My device loses the connection on a regular bases. Like every 5 to 10 minutes. But it usually reconnects.

That is true.

WiFi on iOS devices will disconnect after a little time when they go sleep (screen off) to save battery. The TCP keepalive feature is used in this library to know weather iOS WiFi is alive or not.

@jenspr
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jenspr commented Jul 11, 2021

I am suffering from similar. All works fine a while .. maybe hours. Then iOS does say "no connection" (or no response).
I can ping the ESP8266 so WIFI seems ok and connected.
I don't know where to troubleshoot.. :-(

Anyone ideas.

@macSE1990
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macSE1990 commented Jul 29, 2021 •
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I had the same problems and found out that it was caused by my router (Fritzbox 7590) that was configured to auto-chose wifi channels to optimise performance when other routers in the house use the same or nearby channels.
After I chose a fixed channel for my wifi, the ESP8266 works fine without the reconnect to homekit problem.

@jenspr
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jenspr commented Aug 3, 2021

Ahh.. @macSE1990, that sounds like a good hint.
I have not experience any interruption for quite a while.
But the fritzbox were set to AutoChannel... (I guess it does not change Channel for a while). I set to fixed channel and will monitor it for a while.

anyone know how to change the code so it is tolerant to such wifi channel switches.. so the ESP recovers WLAN?

@thncode
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thncode commented Sep 16, 2021 •
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Ahh.. @macSE1990, that sounds like a good hint.
I have not experience any interruption for quite a while.
But the fritzbox were set to AutoChannel... (I guess it does not change Channel for a while). I set to fixed channel and will monitor it for a while.

anyone know how to change the code so it is tolerant to such wifi channel switches.. so the ESP recovers WLAN?

@jenspr Did this workaround work for you? Have the same problem, but fix channel did not help…

@ruleechen ruleechen mentioned this issue Oct 7, 2021
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@ishii11
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ishii11 commented Jul 13, 2022 •
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I have the same problem and I found the way to solve it: Reconfigure your wifi router, set the bandwidth of 2.4 G wifi to 20MHz only (Not Auto 20/40MHz or 40MHz only). I have tried this configuration on several different wifi routers and it works! never disconnect again!

@jenspr
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jenspr commented Jul 13, 2022

Isnt it the better option to change the source code to reconnect on disconnect?
I have occasions where I had a restart of router (power outtage) and the microcontroller did not establish connection again.

@artyomLisovskij
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I have the same problem and I found the way to solve it: Reconfigure your wifi router, set the bandwidth of 2.4 G wifi to 20MHz only (Not Auto 20/40MHz or 40MHz only). I have tried this configuration on several different wifi routers and it works! never disconnect again!

not working

@artyomLisovskij
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Isnt it the better option to change the source code to reconnect on disconnect? I have occasions where I had a restart of router (power outtage) and the microcontroller did not establish connection again.

agree

@HanserBurlao
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Same Problem here :(

@HanserBurlao
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I've tried to restart the wifi connection with a loop, but still the same problem.

paullj1 added a commit to paullj1/Arduino-HomeKit-ESP8266 that referenced this issue Feb 25, 2023
@paullj1
Fix complete annihilation of storage on new pair
f22abab 
- Might fix Mixiaoxiao#103, Mixiaoxiao#139, Mixiaoxiao#147, Mixiaoxiao#184, Mixiaoxiao#198
- Also adds changes by @ruleechen
- Also adds changes by @thiti-y
@paullj1 paullj1 linked a pull request Feb 25, 2023 that will close this issue
Open
Izumiko pushed a commit to Izumiko/Arduino-HomeKit-ESP8266 that referenced this issue May 10, 2024
@paullj1 @Izumiko
Fix complete annihilation of storage on new pair
e26e865 
- Might fix Mixiaoxiao#103, Mixiaoxiao#139, Mixiaoxiao#147, Mixiaoxiao#184, Mixiaoxiao#198
- Also adds changes by @ruleechen
- Also adds changes by @thiti-y
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Fix new device ID on HomeKit topology change paullj1/Arduino-HomeKit-ESP8266
9 participants
@Mixiaoxiao @jenspr @artyomLisovskij @adriankae @thncode @ishii11 @JoseLuis73 @macSE1990 @HanserBurlao