Add Marlin binary file transfer controls - #460
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If/when PR M35 is accepted in Marlin, then a double-check will be added , so that, once the file is uploaded, its checksum is computed in the printer and is compared to the checksum of the file in the flash or SD of the ESP32. |
This was referenced Aug 13, 2026
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Dependencies
This stacked PR depends on:
Once #459 is merged, this PR will be rebased onto
3.1so its diff contains only the binary-transfer controls.Summary
Add a transfer action for files stored on ESP3D flash or its attached SD card.
The action sends the selected file to Marlin's SD card through the ESP3D
binary-transfer endpoint. The action appears as an upward arrow, near the filename.
The UI checks
Cap:BINARY_FILE_TRANSFER:1, displays transfer progress anderrors, disables terminal input and polling while the serial connection is
reserved, and restores normal terminal operation when the transfer ends.
Testing
Hardware-tested with ESP32-S3, ESP3D 3.1, and Marlin with
BINARY_FILE_TRANSFERenabled.