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Add troubleshooting step for reflashing the esp32 to a default state #60

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Add troubleshooting step for reflashing the esp32 to a default state #60

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32 changes: 32 additions & 0 deletions content/docs/tools/teddyCloud/setup/test-troubleshooting.md
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Original file line number Diff line number Diff line change
Expand Up @@ -74,3 +74,35 @@ INFO |handler_cloud.c:0692:handleCloudFreshnessCheck| Freshness check response:
WARN |tls_server_fsm.c:0260:tlsPerformServerHandshake| TLS handshake failure!
```
Please check if `prod.de.tbs.toys` and `rtnl.bxcl.de` are resolved to your teddyCloud instance within its own container. Please either give your Toniebox a custom DNS that resolved them to teddyCloud or the teddyCloud instance a DNS that does not tamper the urls.

## Flashing back the previous image
If you somehow fail to setup everything but keep your previous image. For an esp32 this is the way to reflash back the image:

python -m esptool -b 921600 write_flash 0x0 .\Downloads\tb.esp32.bin --flash_size 8MB

Resulting in the following example output

esptool.py v4.8.1
Found 1 serial ports
Serial port COM5
Connecting....
Detecting chip type... ESP32-S3
Chip is ESP32-S3 (QFN56) (revision v0.2)
Features: WiFi, BLE
Crystal is 40MHz
MAC: 48:ca:43:48:fd:ac
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 921600
Changed.
Configuring flash size...
Flash will be erased from 0x00000000 to 0x007fffff...
SHA digest in image updated
Compressed 8388608 bytes to 2391441...
Wrote 8388608 bytes (2391441 compressed) at 0x00000000 in 45.3 seconds (effective 1481.6 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...