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Juraj ♦
Juraj ♦
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The uploaded Arduino sketch has in the part provided by core a code which waits for a 1200 baud connection on USB. If a 1200 baud connection is established it resets the board to bootloader. The bootloader then starts the com port and waits for the upload.

To reset a board which has in boards.txt upload.use_1200bps_touch=true Arduino IDE opens a 1200 baud connection to the board, then detects the new com port and doesstart avrdude for the upload.

The uploaded Arduino sketch has in the part provided by core a code which waits for a 1200 baud connection on USB. If a 1200 baud connection is established it resets the board to bootloader. The bootloader then starts the com port and waits for the upload.

To reset a board which has in boards.txt upload.use_1200bps_touch=true Arduino IDE opens a 1200 baud connection to the board, then detects the new com port and does the upload.

The uploaded Arduino sketch has in the part provided by core a code which waits for a 1200 baud connection on USB. If a 1200 baud connection is established it resets the board to bootloader. The bootloader then starts the com port and waits for the upload.

To reset a board which has in boards.txt upload.use_1200bps_touch=true Arduino IDE opens a 1200 baud connection to the board, then detects the new com port and start avrdude for the upload.

Source Link
Juraj ♦
Juraj ♦
  • 18.2k
  • 4
  • 30
  • 49

The uploaded Arduino sketch has in the part provided by core a code which waits for a 1200 baud connection on USB. If a 1200 baud connection is established it resets the board to bootloader. The bootloader then starts the com port and waits for the upload.

To reset a board which has in boards.txt upload.use_1200bps_touch=true Arduino IDE opens a 1200 baud connection to the board, then detects the new com port and does the upload.