ESP32-S2/S3 Upload Failure: Needs --after no_reset Option #2478
Labels
conclusion: off topic
Off topic for this repository
type: imperfection
Perceived defect in any part of project
Describe the problem
When uploading code to the ESP32-S2 or ESP32-S3 boards using the Arduino IDE, the process fails with a warning that the board cannot exit download mode over USB. This issue persists due to the lack of the
--after no_reset
option in the esptool command used by the IDE.To reproduce
Expected behavior
The sketch should upload successfully without errors.
Arduino IDE version
2.3.3
Operating system
Windows
Operating system version
Windows 10
Additional context
This issue seems to be specific to boards like the ESP32-S2/S3 that use GPIO0 for download mode. A manual workaround is to add
--after no_reset
to the esptool command, but this requires user intervention and is not conducive to a smooth workflow. For more context and related discussions, please refer to this pull request on the esptool repository: esptool PR #997.Issue checklist
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