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Disable DTR on connect#376

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elral wants to merge 1 commit intoMobiFlight:mainfrom
elral:dtr_disable
Open

Disable DTR on connect#376
elral wants to merge 1 commit intoMobiFlight:mainfrom
elral:dtr_disable

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@elral
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@elral elral commented Mar 31, 2026

Description of changes

When connecting to AVR boards with DTR enabled, these boards get resettet on connect. After resetting the boards respond at least with 17,OK; (not processed from the connector). Other board types which are used for community devices might also respond with additional messages which could lead to an unrecognized board or set them into bootlaoder mode (could happen for some ESP32 boards).

This PR disables setting DTR line on connect for all boards except for ProMicro which requires setting the DTR line.

See also PR #2870 and issue #2849 in the connector repo.

@elral elral requested a review from DocMoebiuz as a code owner March 31, 2026 06:35
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Board and firmware folder for this pull request:
Mobiflight-Firmware.zip

@ccrawford
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Thank you! Community device authors will be pleased.

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2 participants