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boards/feather-m0: change default bootloader to UF2

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crasbe 2025-03-07 22:47:58 +01:00
parent 01310fb6ee
commit 027935f9f8
2 changed files with 13 additions and 0 deletions
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5
boards/feather-m0/Makefile.include
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@ -1,3 +1,8 @@
# Boards after around 2018 use the more modern UF2 bootloader.
# Comment out for the old BOSSA bootloader or upgrade to
# the UF2 bootloader.
CFLAGS += -DBOOTLOADER_UF2
# setup the flash tool used
ifeq ($(PROGRAMMER),jlink)
# in case J-Link is attached to SWD pins, use a plain CPU memory model

8
boards/feather-m0/doc.txt
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@ -52,6 +52,14 @@ Example with `hello-world` application:
bootloader mode by double tapping the reset button before running the
flash command.
@note Adafruit changed the bootloader from the old BOSSA bootloader to the
more modern UF2 bootloader around 2018. If you have a very old board,
it is recommended to upgrade the bootloader to the new UF2
bootloader. Otherwise the bootloader has to be enabled by double
tapping the reset button.<br/>
Upgrade instructions can be found at Adafruit:
https://learn.adafruit.com/installing-circuitpython-on-samd21-boards/installing-the-uf2-bootloader
### Using the WiFi interface
To enable the WiFi interface of the Feather M0 WiFi variant of the board