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Flashing of firmware for BMS with ESP32-C3 MCU #23

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martinjaeger opened this issue Apr 13, 2022 · 1 comment
Closed

Flashing of firmware for BMS with ESP32-C3 MCU #23

martinjaeger opened this issue Apr 13, 2022 · 1 comment

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@martinjaeger
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Depending on the version of the factory programmed firmware on the ESP32-C3 it may have a bug that leads to frequent disconnects of the USB serial and re-enumeration of the device.

The solution is to try multiple times to flash firmware built with most recent ESP-IDF (e.g. the hello world example from ESP-IDF or directly the BMS firmware) until it succeeds. After a new custom firmware is flashed once, the error should be gone.
@martinjaeger
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With upgrade of Zephyr to v3.1, which includes a new version of esptool.py, flashing works very well.

Just pushed the updates to main and will close this issue.

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@martinjaeger