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[GH-ISSUE #235] Flashing C6 failed #2343
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Reference: starred/OpenEPaperLink#2343
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Originally created by @hmax42 on GitHub (Feb 23, 2024).
Original GitHub issue: https://github.com/OpenEPaperLink/OpenEPaperLink/issues/235
First my epaper tag with the weatherforecast wouldn't update anymore, so i thought maybe the service died or anything else.
So I did an AP update from 2.01b to 2.07b, whichworked.
Next, the C6 update, which failed
i use this AP
https://www.tindie.com/products/electronics-by-nic/openepaperlink-mini-ap-v3-zigbee-wifi-gateway/
i did reboot the AP before the C6 update
any advice what to do ?
@hmax42 commented on GitHub (Feb 23, 2024):
after that i did a rollback, which somehow failed; the webpage didn't load
so i reflashed via the webinterface and am now on 2.05
the weatherforecast still doesn't work
@nlimper commented on GitHub (Feb 23, 2024):
Please use the latest firmware version (currently 2.07b).
If your access point shows 'online' as a status, the C6 doesn't need to be updated.
So, that leaves 'weatherforecast wouldn't update'. For that, first check if your tag is working. In the AP, you see the 'last seen' time running, that's the time since the last check in. Normally, the tag checks in every 1-10 minutes. If your AP has been unavailable for a while, this takes longer, eventuelly even just once a day. If it doesn't check in, you can reboot a tag by power cycling it, but note that's it not as easy as just removing and putting back the batteries. Here is the correct procedure: https://github.com/jjwbruijn/OpenEPaperLink/blob/master/Hardware/OpenEPaperLink%20Mini%20AP/Getting%20Started.md#adding-tags
If the tag doesn't start up even after this procedure, your batteries might be empty.
When you have the tag checked in correctly, you can assign a content type to it, like the weather forecast. If the weather forecast doesn't work, but for example a 'count hours' does work, check your internet connection.
@hmax42 commented on GitHub (Feb 23, 2024):
powercycled incl cap discharge
i think the problem is that the name cannot be resolved to lat/lon/timezone anymore ?
these 3 fields are null, and i tried now different string which lead all (if googled) to the correct town
@nlimper commented on GitHub (Feb 23, 2024):
Ah, if the name cannot be resolved, that's the problem! Also, because of the C6 firmware download failed, you should take a look at your WiFi configuration. If possible, try a different WiFi connection to see if that helps. If you're using a Unify WiFi Access Point, Disable 'BSS Transition', because enabling seems to cause connection problems. The WiFi stack of the esp32 is very simple, so sophisticated WiFi protocol enhancements might confuse it.
@hmax42 commented on GitHub (Feb 23, 2024):
I have a FritzBox access point, i don't know what BSS Transition is, and its firmware wasn't updated since october.
the download/update of the regular firmware works flawlessly, but the C6 fiemware alwys fails at some point
what is the address used for the location service? i could test that url from the commandline
/update
funny thing: if i uncheck "download latest" the c6 flashing works immediately
but now it is always "red failed" in the top right corner :(
@hmax42 commented on GitHub (Feb 23, 2024):
if i check the c6 serial
repeating in very high speed
where can i download and flash the c6 manually ?
@nlimper commented on GitHub (Feb 23, 2024):
You should not have flashed the C6 again, because that was working correctly...
The C6 now is incompletely flashed, because you flashed it with an incomplete file (the failed downloads).
Now, you can manually download the files needed: download all four files from https://github.com/jjwbruijn/OpenEPaperLink/tree/master/binaries/ESP32-C6 (choose 'download', don't use right click/save as, as that downloads the html page), and put the in the root of the AP filesystem. Then click the update C6 button again (with 'download latest' unchecked).
The location service runs in your browser, when you enter the location and get the drop down. See the 'network' tab in the developer tools of your browser. It's somewhere at open-meteo.com . No drop-down? Then you need to update the file system. Only use the latest (2.07b currently)
@hmax42 commented on GitHub (Feb 23, 2024):
thank you for explaining
downloaded and flashed. worked like you said. back online
i thought "'download latest' unchecked" meant use an older firmware
and i solved the forecast problem too,
i tested with another browser, and it works again too.