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doc: Add documentation for TTY_BOARD_FILTER

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Marian Buschsieweke 2022-08-15 16:30:36 +02:00
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doc/doxygen/src/flashing.md
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@ -342,3 +342,10 @@ Handling Multiple Boards: Simplest Approach {#multiple-boards-simple}
Passing `MOST_RECENT_PORT=1` as environment variable or as parameter to Passing `MOST_RECENT_PORT=1` as environment variable or as parameter to
make will result in the most recently connected board being preferred over the make will result in the most recently connected board being preferred over the
default PORT for the selected board. default PORT for the selected board.
For some boards `TTY_BOARD_FILTER` is provided, which filters TTYs e.g. by
vendor or model to only considered TTYs that actually may belong to the selected
board. E.g. for Nucleo boards this is `--model 'STM32 STLink'`, as they all use
an integrated STLink as programmer. As long as only one TTY is provided from an
STLink, this will reliably select the correct TTY for an Nucleo regardless of
which TTY was most recently connected.